CA2313046A1 - Absorbent article - Google Patents
Absorbent article Download PDFInfo
- Publication number
- CA2313046A1 CA2313046A1 CA002313046A CA2313046A CA2313046A1 CA 2313046 A1 CA2313046 A1 CA 2313046A1 CA 002313046 A CA002313046 A CA 002313046A CA 2313046 A CA2313046 A CA 2313046A CA 2313046 A1 CA2313046 A1 CA 2313046A1
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- CA
- Canada
- Prior art keywords
- layer
- absorbent article
- article according
- liquid
- bonding pattern
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
- A61F13/53717—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the horizontal direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
- A61F13/53713—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the vertical direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53743—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers
- A61F13/53747—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers the layer is facing the topsheet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/5376—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the performance of the layer, e.g. acquisition rate, distribution time, transfer time
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15406—Basis weight
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530131—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp
- A61F2013/530138—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp characterized by the fibre length
- A61F2013/530153—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp characterized by the fibre length being long
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530131—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp
- A61F2013/530182—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp characterized by the connection between the fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F2013/53765—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry
- A61F2013/53778—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry with grooves
Abstract
Absorbent article, such as a diaper, pant diaper, incontinence guard, sanitary napkin, wound dressing and the like, comprising a layer of continuous fibres, so-called tow, which have been bonded together in points, lines or spots in a bonding pattern (10), but otherwise are substantially unbonded to each other, wherein the bonding pattern (10) is different in different portions of said layer (5). The layer can either be utilized as a liquid acquisition layer (5) in the article underneath a topsheet (2), as a topsheet (12), or as a combined topsheet and liquid acquisition layer (22).
Description
. ; , , ~ ~ ,~, ,;, ,~' ~, ,.;1 "
Absorbent article Technical field The present invention relates to an absorbent article, such as a diaper, pant diaper, incontinence guard, sanitary napkin, wound dressing and the like, of the kind comprising a liquid pervious top layer, a liquid impervious back layer and an absorbent body arranged therebetween.
Background of'the invention Absorbent articles of the above-mentioned kind are intended for absorption of body fluids, such as urine and blood. As a liquid pervious topsheet, facing the wearer during use, they usually exhibit a nonwoven material, for example of spunbond-type.
It is also previously known to arrange a liquid acquisition layer between the top layer and the absorbent body, said liquid acquisition layer having the ability to quickly receive large quantities of liquid, and to distribute the liquid and temporarily store it before it is absorbed by the underlying absorbent body. This is of great importance, especially in the thin compressed absorbent bodies of today, often comprising a high content of so called superabsorbents, which certainly have a high absorption capacity but in many
Absorbent article Technical field The present invention relates to an absorbent article, such as a diaper, pant diaper, incontinence guard, sanitary napkin, wound dressing and the like, of the kind comprising a liquid pervious top layer, a liquid impervious back layer and an absorbent body arranged therebetween.
Background of'the invention Absorbent articles of the above-mentioned kind are intended for absorption of body fluids, such as urine and blood. As a liquid pervious topsheet, facing the wearer during use, they usually exhibit a nonwoven material, for example of spunbond-type.
It is also previously known to arrange a liquid acquisition layer between the top layer and the absorbent body, said liquid acquisition layer having the ability to quickly receive large quantities of liquid, and to distribute the liquid and temporarily store it before it is absorbed by the underlying absorbent body. This is of great importance, especially in the thin compressed absorbent bodies of today, often comprising a high content of so called superabsorbents, which certainly have a high absorption capacity but in many
2 0 cases a too low absorption rate in order to momentously be able to absorb the large quantity of liquid which can be discharged within a few seconds during urination. A
porous, relatively thick acquisition layer, for example in the form of a fibrous wadding, a carded fibrous web, or another type of fibrous material, has a high instantaneous liquid-receiving capacity and is able to store the liquid temporarily until it has been 2 5 absorbed by the absorbent body. The same applies for porous foam materials. The liquid is thereafter drained successively into the adjacent absorbent body, after which the acquisition layer once again has the capacity to receive liquid from a repeated wetting.
porous, relatively thick acquisition layer, for example in the form of a fibrous wadding, a carded fibrous web, or another type of fibrous material, has a high instantaneous liquid-receiving capacity and is able to store the liquid temporarily until it has been 2 5 absorbed by the absorbent body. The same applies for porous foam materials. The liquid is thereafter drained successively into the adjacent absorbent body, after which the acquisition layer once again has the capacity to receive liquid from a repeated wetting.
3 0 Examples of absorbent articles comprising such porous acquisition layers are, for example, disclosed in US-A-3,371,667, EP-A-0,312,118 and EP-A-0,474,777.
aME'~DEb SHEET
: ' , ' ; ' f , ; : , ' ~ ( , ~ ~ ' , ( ' ' ;
".? '" "' .'. .' The materials used today as acquisition layers in absorbent articles are mostly functioning well, but are relatively expensive and can sometimes exhibit an insufficient acquisition rate, especially in the second and third wettings, if large quantities of liquid are involved. Furthermore, they are difficult to process and store due to their bulkiness.
It is previously known through EP-A-0,391,814 and GB-B-2,209,b72 to use continuous, unbonded synthetic fibres, so-called tow, in absorbent articles for distributing liquid in the longitudinal direction of the article.
Another problem is that conventional liquid pervious topsheet materials used for absorbent articles of this kind, normally a nonwoven material of synthetic fibres, e.g. a spunbond material, often exhibit a lower acquisition rate for liquid than the acquisition layer, wherein liquid can leak out from the article before it reaches the acquisition layer.
Furthermore, the liquid is retained in capillaries in a dense topsheet of nonwoven and a more porous acquisition layer, e.g. wadding, cannot drain liquid from the topsheet. This problem can of course be solved by means of using a topsheet material which is very open and therefore has a high liquid permeability. Such an open topsheet material can, however, cause problems with too low strength and sharp fibre ends from the acquisition layer which may penetrate the open topsheet material and irritate the user.
Object and most important features of the invention The object of the present invention is to provide a material which exhibits a high acquisition rate for liquid also when repeatedly wetted, exhibits a high strength and wear resistance, high comfort, high processability and has a relatively low price.
2 5 Furthermore, it should be possible to combine different wishes, concerning the liquid acquiring and liquid distributing properties, in the same material. According to the invention, this has been achieved by means of a layer of continuous fibres, so-called tow, which have been bonded together in points, lines or spots in a bonding pattern, but otherwise are substantially unbonded to, each other, wherein the bonding pattern is 3 0 different in different portions of said layer.
~-~ ~r~,l~~D S!-1EET
' , , , ,., ~ , ~; , ', ,:,3'"' ,;, ,;, According to a preferred embodiment, the bonding pattern is more sparse in the central portion of the layer, intended to constitute the liquid acquisition area of the article, and denser in one or several of the edge portions of the layer.
Thereby, a rapid liquid acquisition can be obtained in the central portions of the layer, while liquid leakage from the edge portions of the layer is rendered more difficult.
Furthermore, since the liquid distributing ability of the material in the longitudinal direction of the fibres is very high, it is advantageous if the bonding pattern, along the l0 transversely to the longitudinal direction of the continuous fibres extending edge portions of the article, exhibits a high density which essentially prevents liquid from spreading, whereby edge leakage can be prevented.
Preferably, the bonding pattern in said transversely extending edge portion comprises at least one continuous barrier line which prevents liquid from spreading.
According to a preferred embodiment, the bonding pattern along the encompassing edge portions of the layer exhibit a high density, which essentially prevents liquid from spreading, and according to still another embodiment, the bonding pattern exhibits at 2 0 least one continuous barrier line in said encompassing edge portion which prevents liquid from spreading.
Furthermore, the layer can exhibit one or several continuous directing lines intended to achieve a controlled liquid distribution in the layer.
The bonding pattern may further be designed so that the layer obtains a three-dimensional shape, for example a bowl-shape or a raised central portion.
The bonding pattern is preferably non-random.
3 0 The layer can be used as a liquid acquisition layer underneath a topsheet, as a topsheet, or ~'~~~~L~~'~C aS~~~T
aME'~DEb SHEET
: ' , ' ; ' f , ; : , ' ~ ( , ~ ~ ' , ( ' ' ;
".? '" "' .'. .' The materials used today as acquisition layers in absorbent articles are mostly functioning well, but are relatively expensive and can sometimes exhibit an insufficient acquisition rate, especially in the second and third wettings, if large quantities of liquid are involved. Furthermore, they are difficult to process and store due to their bulkiness.
It is previously known through EP-A-0,391,814 and GB-B-2,209,b72 to use continuous, unbonded synthetic fibres, so-called tow, in absorbent articles for distributing liquid in the longitudinal direction of the article.
Another problem is that conventional liquid pervious topsheet materials used for absorbent articles of this kind, normally a nonwoven material of synthetic fibres, e.g. a spunbond material, often exhibit a lower acquisition rate for liquid than the acquisition layer, wherein liquid can leak out from the article before it reaches the acquisition layer.
Furthermore, the liquid is retained in capillaries in a dense topsheet of nonwoven and a more porous acquisition layer, e.g. wadding, cannot drain liquid from the topsheet. This problem can of course be solved by means of using a topsheet material which is very open and therefore has a high liquid permeability. Such an open topsheet material can, however, cause problems with too low strength and sharp fibre ends from the acquisition layer which may penetrate the open topsheet material and irritate the user.
Object and most important features of the invention The object of the present invention is to provide a material which exhibits a high acquisition rate for liquid also when repeatedly wetted, exhibits a high strength and wear resistance, high comfort, high processability and has a relatively low price.
2 5 Furthermore, it should be possible to combine different wishes, concerning the liquid acquiring and liquid distributing properties, in the same material. According to the invention, this has been achieved by means of a layer of continuous fibres, so-called tow, which have been bonded together in points, lines or spots in a bonding pattern, but otherwise are substantially unbonded to, each other, wherein the bonding pattern is 3 0 different in different portions of said layer.
~-~ ~r~,l~~D S!-1EET
' , , , ,., ~ , ~; , ', ,:,3'"' ,;, ,;, According to a preferred embodiment, the bonding pattern is more sparse in the central portion of the layer, intended to constitute the liquid acquisition area of the article, and denser in one or several of the edge portions of the layer.
Thereby, a rapid liquid acquisition can be obtained in the central portions of the layer, while liquid leakage from the edge portions of the layer is rendered more difficult.
Furthermore, since the liquid distributing ability of the material in the longitudinal direction of the fibres is very high, it is advantageous if the bonding pattern, along the l0 transversely to the longitudinal direction of the continuous fibres extending edge portions of the article, exhibits a high density which essentially prevents liquid from spreading, whereby edge leakage can be prevented.
Preferably, the bonding pattern in said transversely extending edge portion comprises at least one continuous barrier line which prevents liquid from spreading.
According to a preferred embodiment, the bonding pattern along the encompassing edge portions of the layer exhibit a high density, which essentially prevents liquid from spreading, and according to still another embodiment, the bonding pattern exhibits at 2 0 least one continuous barrier line in said encompassing edge portion which prevents liquid from spreading.
Furthermore, the layer can exhibit one or several continuous directing lines intended to achieve a controlled liquid distribution in the layer.
The bonding pattern may further be designed so that the layer obtains a three-dimensional shape, for example a bowl-shape or a raised central portion.
The bonding pattern is preferably non-random.
3 0 The layer can be used as a liquid acquisition layer underneath a topsheet, as a topsheet, or ~'~~~~L~~'~C aS~~~T
4 ' " ' , : , , ; , , . ' , . ' as an integrated topsheet/liquid acquisition layer.
Further features of the invention are evident from the following description and the claims.
Description of the drawings In the following, the invention will be described in greater detail, with reference to embodiments shown in the accompanying drawings.
Fig. 1 is a plan view of an embodiment of an absorbent article according to the invention in the form of an incontinence guard, however not disclosing a varying bonding pattern.
Fig. 2 is a section along the line II-II in Figure 1.
Fig. 3 shows, in plan view, an absorbent article in the form of a diaper.
Fig. 4 schematically shows a portion of a fibrous layer according to the invention, however not disclosing a varying bonding pattern.
Fig. 5 shows, in magnification, a schematic section along the line N-IV in Fig. 3.
Figs. 6-9 are schematic, exploded cross-sectional views in the longitudinal direction of four different embodiments of the article according to the invention, however not disclosing a varying bonding pattern.
2 0 Figs. 10-12 show schematic plan views of fibre layers according to the invention with varying bonding patterns across their surface.
Figs. I3 and 14 schematically show fibre layers having a three-dimensional shape, which has been obtained by means of a varying bonding pattern across the surface of the fibre layer.
Description of embodiments In Figs. 1 and 2, an embodiment of an incontinence guard 1 is shown, which comprises a liquid pervious top layer 2, a liquid impervious back layer 3 and an absorbent body 4 enclosed therebetween. Furthermore, a porous and resilient liquid acquisition layer 5 is 3 0 arranged between the liquid pervious top layer 2 and the absorbent body 4.
~il~udz.~ci~ ~~E ~T
material, a thermally bonded material or a bonded carded fibrous material. The liquid impervious back layer 3 can consist of a plastic film, a nonwoven material coated with a liquid impervious material, or a hydrophobic nonwoven material which resists liquid penetration.
Further features of the invention are evident from the following description and the claims.
Description of the drawings In the following, the invention will be described in greater detail, with reference to embodiments shown in the accompanying drawings.
Fig. 1 is a plan view of an embodiment of an absorbent article according to the invention in the form of an incontinence guard, however not disclosing a varying bonding pattern.
Fig. 2 is a section along the line II-II in Figure 1.
Fig. 3 shows, in plan view, an absorbent article in the form of a diaper.
Fig. 4 schematically shows a portion of a fibrous layer according to the invention, however not disclosing a varying bonding pattern.
Fig. 5 shows, in magnification, a schematic section along the line N-IV in Fig. 3.
Figs. 6-9 are schematic, exploded cross-sectional views in the longitudinal direction of four different embodiments of the article according to the invention, however not disclosing a varying bonding pattern.
2 0 Figs. 10-12 show schematic plan views of fibre layers according to the invention with varying bonding patterns across their surface.
Figs. I3 and 14 schematically show fibre layers having a three-dimensional shape, which has been obtained by means of a varying bonding pattern across the surface of the fibre layer.
Description of embodiments In Figs. 1 and 2, an embodiment of an incontinence guard 1 is shown, which comprises a liquid pervious top layer 2, a liquid impervious back layer 3 and an absorbent body 4 enclosed therebetween. Furthermore, a porous and resilient liquid acquisition layer 5 is 3 0 arranged between the liquid pervious top layer 2 and the absorbent body 4.
~il~udz.~ci~ ~~E ~T
material, a thermally bonded material or a bonded carded fibrous material. The liquid impervious back layer 3 can consist of a plastic film, a nonwoven material coated with a liquid impervious material, or a hydrophobic nonwoven material which resists liquid penetration.
5 The top layer 2 and the back layer 3 have a slightly larger extension in the plane than the absorbent body 4 and the liquid acquisition layer 3, and extend outside the edges of these. The layers 2 and 3 are interconnected within the projecting portions, for example by means of gluing or welding with heat or ultrasonic.
The absorbent body 4 can be of any conventional type. Examples of commonly occurring absorption materials are cellulosic fluff pulp, tissue layers, highly absorbent polymers (so-called superabsorbents), absorbent foam materials, absorbent nonwoven materials, and the like. It is common to combine cellulosic fluff pulp with superabsor-bents in an absorbent body. It is also common with absorbent bodies comprising layers of different materials with different properties, when liquid acquisition ability, liquid distributing ability and liquid storage capacity are concerned. This is well-known to the person skilled in the art and therefore need not be described in detail. The thin absor-bent bodies, which are common in for example baby diapers and incontinence guards, 2 0 often consist of a compressed, mixed or layered, structure of cellulosic fluff pulp and superabsorbent.
On the outside of the liquid impervious back layer 3, fastening means in the form of longitudinal strings 6 of a self adhesive glue are arranged. Before use, the adhesive 2 5 regions 6 are suitably protected by a removable protective strip, not shown in the drawings, of paper or plastic film treated with a release agent. In the shown embodiment, the fastening means consist of longitudinal adhesive regions. A
number of other adhesive patterns, e.g. transverse patterns, are of course conceivable, as well as other types of fastening means, such as hook and loop surfaces, snap fasteners, 3 0 frictional fixation, girdles, special underpants, or the like.
The absorbent body 4 can be of any conventional type. Examples of commonly occurring absorption materials are cellulosic fluff pulp, tissue layers, highly absorbent polymers (so-called superabsorbents), absorbent foam materials, absorbent nonwoven materials, and the like. It is common to combine cellulosic fluff pulp with superabsor-bents in an absorbent body. It is also common with absorbent bodies comprising layers of different materials with different properties, when liquid acquisition ability, liquid distributing ability and liquid storage capacity are concerned. This is well-known to the person skilled in the art and therefore need not be described in detail. The thin absor-bent bodies, which are common in for example baby diapers and incontinence guards, 2 0 often consist of a compressed, mixed or layered, structure of cellulosic fluff pulp and superabsorbent.
On the outside of the liquid impervious back layer 3, fastening means in the form of longitudinal strings 6 of a self adhesive glue are arranged. Before use, the adhesive 2 5 regions 6 are suitably protected by a removable protective strip, not shown in the drawings, of paper or plastic film treated with a release agent. In the shown embodiment, the fastening means consist of longitudinal adhesive regions. A
number of other adhesive patterns, e.g. transverse patterns, are of course conceivable, as well as other types of fastening means, such as hook and loop surfaces, snap fasteners, 3 0 frictional fixation, girdles, special underpants, or the like.
6 An incontinence guard of the type shown in Fig. 1 primarily is intended to be used by persons suffering from relatively light incontinence troubles, and is easily accommoda-ted inside a pair of ordinary underpants. Thereby, the fastening means 6 serve to keep the incontinence guard in its place inside the underpants during use.
The incontinence guard 1 is hourglass-shaped with wider end portions 7 and a narrower crotch portion 8, located between the end portions. The crotch portion 8 is the portion of the incontinence guard which during use is intended to be applied in the crotch region of the user and serve as a receiving area for the excieted body fluid.
In Fig. 3, an absorbent article in the form of a diaper is shown which, like the above-described incontinence guard, comprises a liquid pervious top layer 2, a liquid impervious back layer 3 and an absorbent body 4 enclosed therebetween, and further comprises an acquisition layer 5 applied between the top layer 2 and the absorbent body 4. In the shown example, the top layer is provided with a hole 16, positioned in the intended wetting area, whereby the acquisition layer 5 is exposed directly towards the user in this area. Instead of one hole 16, several smaller holes can be provided.
The diaper is intended to enclose the lower part of the trunk of the user as a pair of 2 0 absorbent pants. It exhibits a front portion 7a intended to be facing forward on the user during use, a back portion 7b intended to be facing backwards on the user during use, and a narrower crotch portion 8, located between the front and the back portions, which is intended to be applied in the crotch region of the user, between his/her legs. In order to enable the diaper to be brought into and fixed in the desired pant shape, tape tabs 6' 2 5 are arranged close to the rearwardly waist edge of the diaper, whereby the diaper is kept together around the waist of the user. Other fastening means, such as hook and loop means, hooks, etc., are of course conceivable.
It should be noted that the incontinence guard and the diaper, shown in the drawings 3 o and described above, only are two non-limiting examples of an absorbent article.
Accordingly, the shape of the article, as well as its design otherwise, can be varied. The
The incontinence guard 1 is hourglass-shaped with wider end portions 7 and a narrower crotch portion 8, located between the end portions. The crotch portion 8 is the portion of the incontinence guard which during use is intended to be applied in the crotch region of the user and serve as a receiving area for the excieted body fluid.
In Fig. 3, an absorbent article in the form of a diaper is shown which, like the above-described incontinence guard, comprises a liquid pervious top layer 2, a liquid impervious back layer 3 and an absorbent body 4 enclosed therebetween, and further comprises an acquisition layer 5 applied between the top layer 2 and the absorbent body 4. In the shown example, the top layer is provided with a hole 16, positioned in the intended wetting area, whereby the acquisition layer 5 is exposed directly towards the user in this area. Instead of one hole 16, several smaller holes can be provided.
The diaper is intended to enclose the lower part of the trunk of the user as a pair of 2 0 absorbent pants. It exhibits a front portion 7a intended to be facing forward on the user during use, a back portion 7b intended to be facing backwards on the user during use, and a narrower crotch portion 8, located between the front and the back portions, which is intended to be applied in the crotch region of the user, between his/her legs. In order to enable the diaper to be brought into and fixed in the desired pant shape, tape tabs 6' 2 5 are arranged close to the rearwardly waist edge of the diaper, whereby the diaper is kept together around the waist of the user. Other fastening means, such as hook and loop means, hooks, etc., are of course conceivable.
It should be noted that the incontinence guard and the diaper, shown in the drawings 3 o and described above, only are two non-limiting examples of an absorbent article.
Accordingly, the shape of the article, as well as its design otherwise, can be varied. The
7 absorbent article can also be constituted of a pant diaper, a sanitary napkin, a wound dressing, or the like. The absorbent article can either be of disposable or reusable type.
For products of the reusable type, however, other materials than the above-described are relevant as a liquid pervious top layer and as an absorbent body, respectively.
A porous and resilient acquisition layer 5, having the ability to rapidly receive large quantities of liquid and to distribute the liquid and store it temporarily before it is absorbed by the underlying absorbent body 4, is arranged between the liquid pervious top layer 2 and the absorbent body 4. This ability should essentially be maintained also 1 o after wetting of the material. The acquisition layer 5 can cover either the entire absorbent body 4, extend outside it, or cover only the central portions of the absorbent body.
According to the invention, the acquisition layer is constituted of a layer 5 of continuous fibres 9, so-called tow, which have been bonded together in points, lines or spots in a bonding pattern 10, but otherwise are substantially unbonded to each other. In the embodiment shown in Fig. 1, the bonding pattern 10 is constituted of a line pattern with short lines arranged in a zigzag configuration. The bonding pattern is achieved by means of, for example, ultrasonic welding or other thermal bonding. Examples of other 2 0 suitable thermal bonding methods are pattern calendering, laser bonding etc. A
prerequisite for this is that at least part of the fibres in the tow are thermoplastic.
Examples of thermoplastic fibres are polyolefines, polyamides, polyester and the like.
Also so-called bi-component fibres can be included. As an alternative to thermal bonding, bonding can be achieved by means of a binding agent, using so-called print-2 5 bonding or dot-bonding, or mechanically by means of so-called entanglement, using needling or water jets. The choice of bonding type is primarily decided by the type of fibres which are used in the tow.
The design of the bonding pattern 10 can of course vary within wide limits.
The pattern 3 0 may be in the form of points, spots or preferably lines. The lines may be straight, as well as curved, and the length can vary, from a few millimetres to the lines extending
For products of the reusable type, however, other materials than the above-described are relevant as a liquid pervious top layer and as an absorbent body, respectively.
A porous and resilient acquisition layer 5, having the ability to rapidly receive large quantities of liquid and to distribute the liquid and store it temporarily before it is absorbed by the underlying absorbent body 4, is arranged between the liquid pervious top layer 2 and the absorbent body 4. This ability should essentially be maintained also 1 o after wetting of the material. The acquisition layer 5 can cover either the entire absorbent body 4, extend outside it, or cover only the central portions of the absorbent body.
According to the invention, the acquisition layer is constituted of a layer 5 of continuous fibres 9, so-called tow, which have been bonded together in points, lines or spots in a bonding pattern 10, but otherwise are substantially unbonded to each other. In the embodiment shown in Fig. 1, the bonding pattern 10 is constituted of a line pattern with short lines arranged in a zigzag configuration. The bonding pattern is achieved by means of, for example, ultrasonic welding or other thermal bonding. Examples of other 2 0 suitable thermal bonding methods are pattern calendering, laser bonding etc. A
prerequisite for this is that at least part of the fibres in the tow are thermoplastic.
Examples of thermoplastic fibres are polyolefines, polyamides, polyester and the like.
Also so-called bi-component fibres can be included. As an alternative to thermal bonding, bonding can be achieved by means of a binding agent, using so-called print-2 5 bonding or dot-bonding, or mechanically by means of so-called entanglement, using needling or water jets. The choice of bonding type is primarily decided by the type of fibres which are used in the tow.
The design of the bonding pattern 10 can of course vary within wide limits.
The pattern 3 0 may be in the form of points, spots or preferably lines. The lines may be straight, as well as curved, and the length can vary, from a few millimetres to the lines extending
8 transversely or diagonally across the entire article. Preferably, the lines extend transversely or obliquely across the longitudinal direction of the fibres 9, so that a plurality of fibres are bonded to each other by each bonding line. It is also an advantage if different bonding lines overlap each other, as seen in the cross-direction of the fibres, so that a main part of the fibres are bonded at least along a part of their length.
According to the invention, the bonding pattern is different in different portions of the layer 5. Accordingly, the bonding pattern may for example be more sparse in the wetting area and more dense outside of this. It is also possible to design the bonding 1 o pattern in such a way that the layer S obtains different height (thickness) in different portions of the article, for example lower in the central portions and higher in the surrounding edge portions in order to create a bowl-shape which provides a liquid receiving volume or, alternatively, so that the layer obtains a raised central portion which creates a closer body contact and by means of this a decreased risk of leakage.
This will be described in greater detail below with reference to Figs. 10-13.
Fibre tow is supplied in bags, or in the form of bales or rolls of continuous fibres, which either are straight, crimped or curled. Crimped or curled fibres are preferred in this case, since they result in a very open and lofty structure. The bales or the like are 2 0 opened in special converting devices, wherein the fibres are separated from each other, stretched and distributed into an essentially uniformly thick layer. The layer 5 is bonded in the desired bonding pattern, as described above, and is cut into suitable lengths.
Alternatively, the bonding can take place after the cutting. Tow is a relatively cheap delivery form for fibres, in comparison with nonwoven, waddings, or the like, which 2 5 normally are used as acquisition materials.
In Figs. 4 and 5, a portion of a layer 5 of fibre tow is shown, which has been bonded in a simple bonding pattern 10 with transverse, short lines. The fibres 9 are unbonded to each other except at the bonding sites.
According to the invention, the bonding pattern is different in different portions of the layer 5. Accordingly, the bonding pattern may for example be more sparse in the wetting area and more dense outside of this. It is also possible to design the bonding 1 o pattern in such a way that the layer S obtains different height (thickness) in different portions of the article, for example lower in the central portions and higher in the surrounding edge portions in order to create a bowl-shape which provides a liquid receiving volume or, alternatively, so that the layer obtains a raised central portion which creates a closer body contact and by means of this a decreased risk of leakage.
This will be described in greater detail below with reference to Figs. 10-13.
Fibre tow is supplied in bags, or in the form of bales or rolls of continuous fibres, which either are straight, crimped or curled. Crimped or curled fibres are preferred in this case, since they result in a very open and lofty structure. The bales or the like are 2 0 opened in special converting devices, wherein the fibres are separated from each other, stretched and distributed into an essentially uniformly thick layer. The layer 5 is bonded in the desired bonding pattern, as described above, and is cut into suitable lengths.
Alternatively, the bonding can take place after the cutting. Tow is a relatively cheap delivery form for fibres, in comparison with nonwoven, waddings, or the like, which 2 5 normally are used as acquisition materials.
In Figs. 4 and 5, a portion of a layer 5 of fibre tow is shown, which has been bonded in a simple bonding pattern 10 with transverse, short lines. The fibres 9 are unbonded to each other except at the bonding sites.
9 The fibres in the tow can be of any suitable material, such as polyethylene, polypropylene, polyamide, polyester, polyvinyl acetate, cellulose acetate, regenerated cellulosic fibres such as viscose and rayon, or of bi-component type, with a shell of a polymer having a lower melting point and a core of a polymer having a higher melting point. Fibres which exhibit a high resiliency, for example polyester, co-polyester and polypropylene, are particularly preferred.
The fibre thickness can vary, but is suitably within the interval 0.5 to 50 dtex, preferably 1.5 to 25, and most preferably 2 tol5 dtex, if the material is to be used as an acquisition material. The open, lofty structure in combination with the relatively coarse fibre dimension provides a very rapid liquid acquisition. In addition, the material is strong due to the longitudinal continuous fibres, which provide strength in the longitu-dinal direction, and the bonding pattern, which provides strength in the transverse direction.
In the above disclosed example, the material layer 5 has been used as an acquisition layer 5 underneath a liquid pervious top layer 2. This is also shown in Fig.
6. In this case, the basis weight of the bonded fibre-tow should be at least 10 g/m2, preferably be within the interval 10-1000 g/mz, more preferably 30-700, and most preferably 2 0 glm'. The top layer 2 can be of any optional type, but preferably exhibits a relatively open structure which permits a rapid liquid acquisition. The top layer 2 can be bonded to the acquisition layer 5 in the bonding points 10.
In Fig. 7, an alternative embodiment is shown, wherein the material layer 5 according 2 5 to the invention has been used as a liquid pervious top layer. In this case, the basis weight should be at least 5 g/m~, preferably within the interval 5-500 g/m'-, and most preferably 5-200 g/m2, and the fibre thickness within the interval 0.5-50 dtex, preferably 1.5-25, and most preferably 2-15 dtex. In other respects, the material can be the same as described above. Underneath the material layer 5 applied as a top layer, an 3 0 acquisition layer 15 of any optional type is arranged. The absorbent article according to Fig. 7 further comprises an absorbent body 4 and a liquid impervious back layer 3.
In the embodiment according to Figure 8, the material layer 5 according to the invention has been used as a combined top layer and acquisition layer. In this case, the basis weight should be larger than 10 g/mz, preferably be within the interval
The fibre thickness can vary, but is suitably within the interval 0.5 to 50 dtex, preferably 1.5 to 25, and most preferably 2 tol5 dtex, if the material is to be used as an acquisition material. The open, lofty structure in combination with the relatively coarse fibre dimension provides a very rapid liquid acquisition. In addition, the material is strong due to the longitudinal continuous fibres, which provide strength in the longitu-dinal direction, and the bonding pattern, which provides strength in the transverse direction.
In the above disclosed example, the material layer 5 has been used as an acquisition layer 5 underneath a liquid pervious top layer 2. This is also shown in Fig.
6. In this case, the basis weight of the bonded fibre-tow should be at least 10 g/m2, preferably be within the interval 10-1000 g/mz, more preferably 30-700, and most preferably 2 0 glm'. The top layer 2 can be of any optional type, but preferably exhibits a relatively open structure which permits a rapid liquid acquisition. The top layer 2 can be bonded to the acquisition layer 5 in the bonding points 10.
In Fig. 7, an alternative embodiment is shown, wherein the material layer 5 according 2 5 to the invention has been used as a liquid pervious top layer. In this case, the basis weight should be at least 5 g/m~, preferably within the interval 5-500 g/m'-, and most preferably 5-200 g/m2, and the fibre thickness within the interval 0.5-50 dtex, preferably 1.5-25, and most preferably 2-15 dtex. In other respects, the material can be the same as described above. Underneath the material layer 5 applied as a top layer, an 3 0 acquisition layer 15 of any optional type is arranged. The absorbent article according to Fig. 7 further comprises an absorbent body 4 and a liquid impervious back layer 3.
In the embodiment according to Figure 8, the material layer 5 according to the invention has been used as a combined top layer and acquisition layer. In this case, the basis weight should be larger than 10 g/mz, preferably be within the interval
10-1000 g/mz, more preferably 30-700, and most preferably 30-350 g/mZ, and the fibre thickness 5 within the interval 0.5-50 dtex, preferably 1.5-25, and most preferably 2-15 dtex. In a conventional way, the absorbent article according to Fig. 8 further comprises an absorbent body 4 and a liquid impervious back layer 3.
The embodiment according to Fig. 9 differs from what is shown in Fig. 8 in that a 10 earner material 22, e.g. in the form of a nonwoven, has been integrated on the underside of the combined top Layer/acquisition layer 5. Such a earner material can of course alternatively or furthermore be integrated with the upper side of the layer 5, or with the layer 5 according to Fig. 6 or Fig. 7.
In the embodiments according to Figs. 7-9, the bonded fibre tow according to the invention will be directly contacting the skin of the wearer. In this case, extraordinary high demands are made on the comfort and softness of the material. Since the material consists of continuous fibres, there are no sharp, protruding fibre ends which may irritate the skin, but the material is very soft and pliable. In addition, it exhibits 2 o sufficient strength and wear resistance, due to the Longitudinal continuous fibres 9, which provide strength in the longitudinal direction, and the bonding pattern, which provides strength in the transverse direction. In case part of the bonding pattern should break, the remaining parts of the pattern still exist.
2 5 As mentioned above, it is particularly advantageous if crimped or curled fibres are used in the tow, since they provide a particularly open and lofty structure. It is also possible to use a combination of straight and crimped fibres.
It is also possible to use different fibre types or different fibre thicknesses in different 3 0 portions of the material, i.e. in different layers or regions thereof.
This in order to create the desired absorption pattern. In this way, gradients of different hydrophilicity and
The embodiment according to Fig. 9 differs from what is shown in Fig. 8 in that a 10 earner material 22, e.g. in the form of a nonwoven, has been integrated on the underside of the combined top Layer/acquisition layer 5. Such a earner material can of course alternatively or furthermore be integrated with the upper side of the layer 5, or with the layer 5 according to Fig. 6 or Fig. 7.
In the embodiments according to Figs. 7-9, the bonded fibre tow according to the invention will be directly contacting the skin of the wearer. In this case, extraordinary high demands are made on the comfort and softness of the material. Since the material consists of continuous fibres, there are no sharp, protruding fibre ends which may irritate the skin, but the material is very soft and pliable. In addition, it exhibits 2 o sufficient strength and wear resistance, due to the Longitudinal continuous fibres 9, which provide strength in the longitudinal direction, and the bonding pattern, which provides strength in the transverse direction. In case part of the bonding pattern should break, the remaining parts of the pattern still exist.
2 5 As mentioned above, it is particularly advantageous if crimped or curled fibres are used in the tow, since they provide a particularly open and lofty structure. It is also possible to use a combination of straight and crimped fibres.
It is also possible to use different fibre types or different fibre thicknesses in different 3 0 portions of the material, i.e. in different layers or regions thereof.
This in order to create the desired absorption pattern. In this way, gradients of different hydrophilicity and
11 pore size can be created. An admixture of superabsorbent fibres into the tow is also conceivable.
Fig. 10 schematically shows a layer 5 according to the invention applied in an absorbent article 1, the outlines of which are indicated with dash-dot lines.
In its central portion Se, the layer 5 exhibits a relatively sparse bonding patternl0, while it exhibits a significantly denser bonding pattern at its edge portions Sa and b. Thereby, it is assumed that the transverse edge portions Sa and b extend essentially transversely in relation to the longitudinal direction of the fibres in the layer 5, whereas the longitudinal edge portions Sc and d extend substantially along the longitudinal direction of the fibres. The layer 5 exhibits excellent liquid distributing properties in the longitudinal direction of the fibres, which is an advantage amongst other things in order to achieve a high utilization degree of the absorption capacity of the article 1. However, it may result in a certain risk for edge leakage from the transverse edge portions Sa and b. By means of making the bonding pattern more dense at the edge portions Sa and b, liquid is arrested or even prevented from spreading fiu-ther. Furthermore, the dense bonding pattern along the edges provides an edge reinforcement of the layer.
The sparse bonding pattern in the central portion Se of the layer 5 creates an open structure which improves the liquid acquisition properties.
In Fig. 11, an encompassing, denser bonding pattern 10 is shown along both the transverse and the longitudinal edge portions Sa-d of the layer. Furthermore, the bonding pattern 10 comprises an encompassing continuos barrier line or edge seal 10' which effectively prevents liquid from spreading outside the edges of the layer.
2 5 Alternatively, such barrier lines 10' can be arranged only at some of the edge portions Sa-d, for example only at the transverse edge portions Sa and b.
In the embodiment shown in Fig. 12, the bonding pattern 10 comprises a pair of arcuately curved distributing lines 10" intended to direct the liquid distribution in the 3 0 layer 5 in a certain way. Furthermore, an encompassing barrier line 10' is provided along the edge portions Sa-d of the layer.
Fig. 10 schematically shows a layer 5 according to the invention applied in an absorbent article 1, the outlines of which are indicated with dash-dot lines.
In its central portion Se, the layer 5 exhibits a relatively sparse bonding patternl0, while it exhibits a significantly denser bonding pattern at its edge portions Sa and b. Thereby, it is assumed that the transverse edge portions Sa and b extend essentially transversely in relation to the longitudinal direction of the fibres in the layer 5, whereas the longitudinal edge portions Sc and d extend substantially along the longitudinal direction of the fibres. The layer 5 exhibits excellent liquid distributing properties in the longitudinal direction of the fibres, which is an advantage amongst other things in order to achieve a high utilization degree of the absorption capacity of the article 1. However, it may result in a certain risk for edge leakage from the transverse edge portions Sa and b. By means of making the bonding pattern more dense at the edge portions Sa and b, liquid is arrested or even prevented from spreading fiu-ther. Furthermore, the dense bonding pattern along the edges provides an edge reinforcement of the layer.
The sparse bonding pattern in the central portion Se of the layer 5 creates an open structure which improves the liquid acquisition properties.
In Fig. 11, an encompassing, denser bonding pattern 10 is shown along both the transverse and the longitudinal edge portions Sa-d of the layer. Furthermore, the bonding pattern 10 comprises an encompassing continuos barrier line or edge seal 10' which effectively prevents liquid from spreading outside the edges of the layer.
2 5 Alternatively, such barrier lines 10' can be arranged only at some of the edge portions Sa-d, for example only at the transverse edge portions Sa and b.
In the embodiment shown in Fig. 12, the bonding pattern 10 comprises a pair of arcuately curved distributing lines 10" intended to direct the liquid distribution in the 3 0 layer 5 in a certain way. Furthermore, an encompassing barrier line 10' is provided along the edge portions Sa-d of the layer.
12 By means of braking the liquid spreading in the longitudinal and transverse direction of the layer 5 in different ways, the liquid is forced instead to pass further into the underlying absorption layers, something which is desirable since the layer 5 primarily is intended as a liquid acquisition layer which rapidly should receive and temporarily store liquid, before this is absorbed by the underlying absorbent body.
Figs. 13 and 14 schematically show fibre layers 5 having a three-dimensional shape, wherein Fig. 13 shows a layer with a raised central portion Se, and Fig. 14 shows a layer with a bowl-shaped central recess Sf. The raised central portion Se achieves an 1 o improved contact with the body of the user and reduces the risk of leakage. The bowl-shaped recess Sf creates a liquid receiving volume, which also reduces the risk of leakage.
This three-dimensional shape is achieved by means of a varying bonding pattern across the surface of the layer 5, possibly also combined with a varying basis weight in the different portions of the layer 5. By means of providing a more dense bonding pattern 10, a higher density is obtained and thereby a reduced thickness of the layer 5. If the basis weight is substantially uniform across the layer 5, a raised central portion according to Fig. 13 can be achieved just by means of providing a more sparse bonding 2 0 pattern in the central portion than along the edges. In a corresponding way, a bowl-shape according to Fig. 14 can be achieved by means of providing a more dense bonding pattern in the central portion than along the edges. As mentioned above, a varying bonding pattern can be combined with a varying basis weight across the layer in order to create the desired three-dimensional shape.
The invention is of course not limited to what has been disclosed above and shown in the drawings, but a plurality of variations are conceivable within the scope of the claims.
Figs. 13 and 14 schematically show fibre layers 5 having a three-dimensional shape, wherein Fig. 13 shows a layer with a raised central portion Se, and Fig. 14 shows a layer with a bowl-shaped central recess Sf. The raised central portion Se achieves an 1 o improved contact with the body of the user and reduces the risk of leakage. The bowl-shaped recess Sf creates a liquid receiving volume, which also reduces the risk of leakage.
This three-dimensional shape is achieved by means of a varying bonding pattern across the surface of the layer 5, possibly also combined with a varying basis weight in the different portions of the layer 5. By means of providing a more dense bonding pattern 10, a higher density is obtained and thereby a reduced thickness of the layer 5. If the basis weight is substantially uniform across the layer 5, a raised central portion according to Fig. 13 can be achieved just by means of providing a more sparse bonding 2 0 pattern in the central portion than along the edges. In a corresponding way, a bowl-shape according to Fig. 14 can be achieved by means of providing a more dense bonding pattern in the central portion than along the edges. As mentioned above, a varying bonding pattern can be combined with a varying basis weight across the layer in order to create the desired three-dimensional shape.
The invention is of course not limited to what has been disclosed above and shown in the drawings, but a plurality of variations are conceivable within the scope of the claims.
Claims (20)
1. An absorbent article, such as a diaper, pant diaper, incontinence guard, sanitary napkin, wound dressing and the like, of the kind comprising a liquid permeable top layer (2), a liquid impervious back layer (3) and an absorbent body (4) arranged therebetween, characterized in that the article continuous fibres (9), so-called tow, which have been spread out to a layer (5) which is bonded together in points, lines or spots in a bonding pattern (10), but otherwise are substantially unbonded to each other and wherein the bonding pattern (10) is different in different portions of said layer (5)
2. An absorbent article according to claim 1, characterized in that the bonding pattern (10) is more sparse in the central portion (5e) of the layer (5), intended to constitute the liquid acquisition area of the article, and more dense in one or several of the edge portions (5a-d) of the layer.
3. An absorbent article according to claim 2, characterized in that the bonding pattern (10), along the transversely to the longitudinal direction of the continuous fibres (9) extending edge portions (5a,b) of the layer (5), exhibits a high density which essentially prevents liquid from spreading.
4. An absorbent article according to claim 3, characterized in that the bonding pattern (10) in said transversely extending edge portions (5a,b) comprises at least one continuous barrier line (10') which prevents liquid from spreading.
5. An absorbent article according to any one of the preceding claims, characterized in that the bonding pattern (10), along the encompassing edge portions (5a-d) of the layer (5), exhibits a high density which essentially prevents liquid from spreading.
6. An absorbent article according to claim 5, characterized in that the bonding pattern (10) in said encompassing edge portion (5a-d) comprises at least one continuous barrier line (10') which prevents liquid from spreading.
7. An absorbent article according to any one of the preceding claims, characterized in that the layer (5) exhibits one or several continuous directing lines (10"), intended to achieve a controlled liquid distribution in the layer.
8. An absorbent article according to any one of the preceding claims, characterized in that the bonding pattern (10) is designed so that the layer (5) obtains a three-dimensional shape, for example a raised central portion (5f) or a bowl-shaped central recess (5g).
9. An absorbent article according to any one of the preceding claims, characterized in that the bonding pattern (10) is non-random.
10. An absorbent article according to any one of the preceding claims, characterized in that the layer (5) of continuous fibres (9) is utilized as a liquid acquisition layer applied between the top layer (2) and the absorbent body (3).
11. An absorbent article according to claim 10, characterized in that the layer of continuous fibres (9) exhibits a basis weight of at least 10 g/m2, preferably within the interval 10-1000 g/m2, more preferably 30-700 and most preferably 30-350 g/m2.
12. An absorbent article according to claim 10 or 11, characterized in that the top layer (2) exhibits at least one hole (16), in the intended wetting area of the article, through which hole the liquid acquisition layer (5) is exposed towards the user.
13. An absorbent article according to any one of claims 1-9, characterized in that the layer (5) of continuous fibres (9) is utilized as a liquid pervious topsheet.
14. An absorbent article according to claim 13, characterized in that the layer (5) of continuous fibres (9) exhibits a basis weight of at least 5 g/m2, preferably within the interval 5-500 g/m2, and most preferably 5-200 g/m2.
15. An absorbent article according to any one of claims 1-9, characterized in that the layer (5) of continuous fibres (9) is utilized as an integrated topsheet/liquid acquisition layer.
16. An absorbent article according to claim 15, characterized in that the layer (5) of continuous fibres (9) exhibits a basis weight of at least 10 g/m2, preferably within the interval 10-1000 g/m2, more preferably 30-700, and most preferably 30-350 g/m2.
17. An absorbent article according to any one of the preceding claims, characterized in that at least a part of the continuous fibres (9) in said layer are crimped or curled.
18. An absorbent article according to any one of the preceding claims, characterized in that the bonding pattern (10) comprises dots, spots or lines which cross the longitudinal direction of the continuous fibres (9).
19. An absorbent article according to claim 18, characterized in that different bonding lines over-lap each other, as seen in the transverse direction of the article, so that a main portion of the fibres (9) are bonded at least at some part of their length.
20. An absorbent article according to any one of the preceding claims, characterized in that the layer of continuous fibres (9) is supported by a carrier material (22), for example a nonwoven.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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SE9704484A SE514391C2 (en) | 1997-12-03 | 1997-12-03 | Absorbent articles |
SE9704484-6 | 1997-12-03 | ||
PCT/SE1998/001808 WO1999030661A1 (en) | 1997-12-03 | 1998-10-07 | Absorbent article |
Publications (1)
Publication Number | Publication Date |
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CA2313046A1 true CA2313046A1 (en) | 1999-06-24 |
Family
ID=20409228
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CA002313046A Abandoned CA2313046A1 (en) | 1997-12-03 | 1998-10-07 | Absorbent article |
CA002312737A Expired - Fee Related CA2312737C (en) | 1997-12-03 | 1998-12-03 | Absorbent article |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002312737A Expired - Fee Related CA2312737C (en) | 1997-12-03 | 1998-12-03 | Absorbent article |
Country Status (24)
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US (2) | US6417427B1 (en) |
EP (2) | EP1035820B1 (en) |
JP (2) | JP2002508218A (en) |
KR (2) | KR20010024675A (en) |
AR (1) | AR017799A1 (en) |
AT (2) | ATE245014T1 (en) |
AU (2) | AU740026B2 (en) |
CA (2) | CA2313046A1 (en) |
CO (2) | CO5070630A1 (en) |
DE (2) | DE69816476T2 (en) |
DK (2) | DK1035820T3 (en) |
ES (1) | ES2175829T3 (en) |
GB (1) | GB2331937A (en) |
MY (1) | MY133076A (en) |
NZ (1) | NZ504737A (en) |
PE (1) | PE20000159A1 (en) |
PL (2) | PL340878A1 (en) |
RU (2) | RU2204976C2 (en) |
SE (1) | SE514391C2 (en) |
TN (2) | TNSN98217A1 (en) |
TR (1) | TR200001618T2 (en) |
TW (1) | TW413631B (en) |
WO (2) | WO1999030661A1 (en) |
ZA (3) | ZA9811074B (en) |
Families Citing this family (176)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7772455B1 (en) | 1997-11-14 | 2010-08-10 | The Procter & Gamble Company | Disposable article providing improved management of bodily exudates |
US6543106B1 (en) | 1999-10-25 | 2003-04-08 | Celanese Acetate, Llc | Apparatus, method and system for air opening of textile tow and opened textile tow web produced thereby |
JP2003518561A (en) | 2000-04-18 | 2003-06-10 | ローマン・ゲーエムベーハー・ウント・ツェーオー.カーゲー | Non-woven structure incorporating stabilized filaments |
JP2001340382A (en) * | 2000-05-31 | 2001-12-11 | Uni Charm Corp | Absorbable article |
JP3875009B2 (en) * | 2000-09-01 | 2007-01-31 | ユニ・チャーム株式会社 | Absorbent articles using continuous filament surface material |
JP4162368B2 (en) * | 2000-09-01 | 2008-10-08 | ユニ・チャーム株式会社 | Absorbent article using continuous filament surface structure |
JP4073613B2 (en) * | 2000-09-01 | 2008-04-09 | ユニ・チャーム株式会社 | Absorbent article using back sheet having continuous filament |
JP3967873B2 (en) * | 2000-09-04 | 2007-08-29 | ユニ・チャーム株式会社 | Absorbent article using continuous filament and absorbent sheet |
JP3875018B2 (en) * | 2000-12-12 | 2007-01-31 | ユニ・チャーム株式会社 | Absorbent articles using continuous filament surface material |
US6710219B2 (en) * | 2001-03-23 | 2004-03-23 | Sca Hygiene Products Ab | Panty liner |
US20020168497A1 (en) * | 2001-05-11 | 2002-11-14 | Lester Donald H. | Non woven loop forming material |
DE60123729T2 (en) * | 2001-07-26 | 2007-10-11 | The Procter & Gamble Company, Cincinnati | Absorbent articles with elastic upper layers |
SE520110C2 (en) * | 2001-09-06 | 2003-05-27 | Sca Hygiene Prod Ab | Method for making a fiber-based material layer, a fiber-based material layer and an absorbent product containing the same. |
US6888045B2 (en) | 2001-09-06 | 2005-05-03 | Sca Hygiene Products Ab | Method of producing a fibrous material layer, a fibrous material layer and an absorbent article containing same |
WO2003059603A1 (en) | 2001-12-28 | 2003-07-24 | Sca Hygiene Products Ab | Elasticised web and a method and apparatus for its manufacture and a disposable absorbent article comprising an elasticised web |
US20050101929A1 (en) * | 2002-01-17 | 2005-05-12 | Andrew Waksmundzki | Absorbent core with three-dimensional sub-layer |
US20040204697A1 (en) * | 2003-04-11 | 2004-10-14 | Litvay John D. | Absorbent articles containing absorbent cores having at least one outer layer containing microwells |
US20050215962A1 (en) * | 2002-01-16 | 2005-09-29 | John Litvay | Tow-based absorbent articles with a single casing sheet |
DE10208353A1 (en) * | 2002-02-27 | 2003-09-11 | Trevira Gmbh | Process for the production of fine, crimped cables from synthetic filaments and their further processing into textile hygiene articles |
US8283515B2 (en) | 2002-05-03 | 2012-10-09 | Sca Hygiene Products Ab | Absorbent article containing a skin conditioning agent |
US8053626B2 (en) | 2002-06-12 | 2011-11-08 | Sca Hygiene Products Ab | Absorbent article containing a skincare composition and method of making and using same |
EP1371379B2 (en) | 2002-06-12 | 2012-06-20 | SCA Hygiene Products AB | Absorbent article containing a skincare composition |
US7846141B2 (en) | 2002-09-03 | 2010-12-07 | Bluesky Medical Group Incorporated | Reduced pressure treatment system |
US7431715B2 (en) | 2002-09-27 | 2008-10-07 | Sca Hygiene Products Ab | Absorbent article |
GB2394231A (en) * | 2002-10-17 | 2004-04-21 | Lohmann Gmbh & Co Kg | Non-woven textile structure incorporating stabilized filament assemblies |
EP1417947B1 (en) * | 2002-11-08 | 2006-03-08 | The Procter & Gamble Company | Disposable absorbent articles with improved topsheet |
ATE418947T1 (en) | 2002-11-08 | 2009-01-15 | Procter & Gamble | ABSORBENT DISPOSABLE ARTICLE WITH DIRT-CONCEALING TOP LAYER |
US20040138634A1 (en) * | 2003-01-10 | 2004-07-15 | Litvay John D. | Absorbent article having improved softness |
US8211815B2 (en) * | 2003-06-13 | 2012-07-03 | Kimberly-Clark Worldwide, Inc. | Absorbent structure having three-dimensional topography on upper and lower surfaces |
DE60333368D1 (en) | 2003-10-02 | 2010-08-26 | Procter & Gamble | Absorbent article with elastomeric material |
US8013207B2 (en) | 2003-12-22 | 2011-09-06 | Sca Hygiene Products Ab | Apparatus and method of forming a composite web structure and an absorbent structure comprising said web |
JP4108050B2 (en) * | 2004-03-01 | 2008-06-25 | 花王株式会社 | 3D sheet |
US20050215965A1 (en) * | 2004-03-29 | 2005-09-29 | The Procter & Gamble Company | Hydrophilic nonwovens with low retention capacity comprising cross-linked hydrophilic polymers |
JP5241231B2 (en) | 2004-06-22 | 2013-07-17 | エスセーアー・ハイジーン・プロダクツ・アーベー | Absorbent article with elastic laminate |
EP1758534B1 (en) | 2004-06-22 | 2016-12-28 | SCA Hygiene Products AB | Method for making an absorbent article comprising an elastic laminate |
CN101849876B (en) | 2004-06-28 | 2014-09-03 | 大王制纸株式会社 | Absorbent article and process for producing absorber |
EP1782783B1 (en) | 2004-06-28 | 2014-03-12 | Daio Paper Corporation | Absorbing material |
EP1772126B1 (en) | 2004-06-28 | 2013-09-11 | Daio Paper Corporation | Apparatus for producing absorbing material, absorbing material and absorbent article |
WO2006004018A1 (en) | 2004-06-30 | 2006-01-12 | Daio Paper Corporation | Humor absorbent article and process for producing the same |
EP1774940B1 (en) * | 2004-06-30 | 2013-09-11 | Daio Paper Corporation | Humor absorbent article |
JP4593986B2 (en) * | 2004-06-30 | 2010-12-08 | 大王製紙株式会社 | Absorber |
WO2006003942A1 (en) * | 2004-06-30 | 2006-01-12 | Daio Paper Corporation | Paper diaper |
JP4397745B2 (en) * | 2004-06-30 | 2010-01-13 | 大王製紙株式会社 | Absorbent articles |
JP4455241B2 (en) * | 2004-09-14 | 2010-04-21 | ユニ・チャーム株式会社 | Sanitary napkin |
US9271880B2 (en) | 2004-10-04 | 2016-03-01 | Sca Hygiene Products Ab | Absorbent article comprising an elastic web material |
CA2585251A1 (en) | 2004-11-30 | 2006-06-08 | Sca Hygiene Products Ab | Absorbent article |
MX2007007961A (en) | 2004-12-29 | 2007-09-05 | Sca Hygiene Prod Ab | Absorbent article having improved properties of handling low-viscosity fecal materials. |
MX2007009158A (en) | 2005-03-02 | 2007-09-12 | Sca Hygiene Prod Ab | Underwear article comprising an elastic laminate. |
ES2433279T3 (en) | 2005-03-02 | 2013-12-10 | Sca Hygiene Products Ab | Absorbent panty type article |
MX2007009159A (en) | 2005-03-02 | 2007-09-12 | Sca Hygiene Prod Ab | Hygiene pants for single use. |
WO2006093440A1 (en) | 2005-03-02 | 2006-09-08 | Sca Hygiene Products Ab | A pant-type absorbent article and method for its manufacture |
US20110015602A1 (en) * | 2005-03-24 | 2011-01-20 | Mattias Schmidt | Hydrophilic Nonwovens with Low Retention Capacity Comprising Cross-Linked Hydrophilic Polymers |
KR101302740B1 (en) * | 2005-06-16 | 2013-08-30 | 다이오 페이퍼 코퍼레이션 | Absorbent article |
EP1901693B1 (en) | 2005-07-13 | 2015-04-01 | SCA Hygiene Products AB | Absorbent article having improved fit |
WO2007008125A1 (en) | 2005-07-13 | 2007-01-18 | Sca Hygiene Products Ab | Absorbent article having improved fit |
CA2614723A1 (en) | 2005-07-14 | 2007-01-18 | Sca Hygiene Products Ab | Absorbent article |
JP2009501054A (en) | 2005-07-14 | 2009-01-15 | エスセーアー・ハイジーン・プロダクツ・アーベー | Pants-type absorbent article having an elastic waist band |
US7569742B2 (en) | 2005-09-07 | 2009-08-04 | Tyco Healthcare Group Lp | Self contained wound dressing with micropump |
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US8324444B2 (en) | 2005-09-13 | 2012-12-04 | Sca Hygiene Products Ab | Absorbent articles and laminates containing a bonding pattern |
US20070077403A1 (en) * | 2005-09-30 | 2007-04-05 | John Litvay | Cleaning pad laminate |
BRPI0520733A2 (en) | 2005-12-07 | 2009-05-26 | Sca Hygiene Prod Ab | method for making an absorbent article |
WO2007069967A1 (en) * | 2005-12-16 | 2007-06-21 | Sca Hygiene Products Ab | Absorbent article and method for manufacturing an absorbent article |
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BRPI0520768A2 (en) | 2005-12-22 | 2009-05-26 | Sca Hygiene Prod Ab | absorbent article |
CN101415386B (en) | 2006-04-05 | 2012-10-31 | Sca卫生用品公司 | Absorbent article with leakage interclude piece |
US9433538B2 (en) | 2006-05-18 | 2016-09-06 | Curt G. Joa, Inc. | Methods and apparatus for application of nested zero waste ear to traveling web and formation of articles using a dual cut slip unit |
US10456302B2 (en) | 2006-05-18 | 2019-10-29 | Curt G. Joa, Inc. | Methods and apparatus for application of nested zero waste ear to traveling web |
AU2006345568A1 (en) | 2006-05-30 | 2007-12-06 | Sca Hygiene Products Ab | An initial product adaptable to serve as a garment and its method of manufacture |
JP4975809B2 (en) | 2006-05-30 | 2012-07-11 | エスセーアー・ハイジーン・プロダクツ・アーベー | Clothing used with absorbent structure and method for manufacturing the same |
CN101466339A (en) | 2006-06-21 | 2009-06-24 | Sca卫生用品公司 | Absorbency clothing of bridle |
CA2656511A1 (en) | 2006-06-21 | 2007-12-27 | Sca Hygiene Products Ab | Belted absorbent garment |
GB2439719A (en) | 2006-07-05 | 2008-01-09 | Sca Hygiene Prod Ab | Absorbent article with differing core density regions |
US20080015532A1 (en) * | 2006-07-13 | 2008-01-17 | Tyco Healthcare Retail Services Ag | Absorbent article having multi fiber and density absorbent core |
US8197458B2 (en) | 2006-07-13 | 2012-06-12 | Sca Hygiene Products Ab | Seam joining together at least two web materials |
US9820888B2 (en) | 2006-09-26 | 2017-11-21 | Smith & Nephew, Inc. | Wound dressing |
EP2088981B1 (en) | 2006-11-13 | 2014-06-18 | SCA Hygiene Products AB | Absorbent article comprising an elastic laminate |
WO2008060194A1 (en) | 2006-11-13 | 2008-05-22 | Sca Hygiene Products Ab | Absorbent article comprising an elastic laminate material |
RU2415621C2 (en) | 2006-11-13 | 2011-04-10 | Ска Хайджин Продактс Аб | Elastic laminate and absorbing item that contains laminate |
US20080113574A1 (en) * | 2006-11-14 | 2008-05-15 | Neron Rene B | Wound care product made from bulked filament tow |
JP4938860B2 (en) | 2006-12-22 | 2012-05-23 | エスセーアー・ハイジーン・プロダクツ・アーベー | Disposable cover for premature infant incubators |
US9550306B2 (en) | 2007-02-21 | 2017-01-24 | Curt G. Joa, Inc. | Single transfer insert placement and apparatus with cross-direction insert placement control |
US9944487B2 (en) | 2007-02-21 | 2018-04-17 | Curt G. Joa, Inc. | Single transfer insert placement method and apparatus |
JP4520475B2 (en) * | 2007-03-23 | 2010-08-04 | ユニ・チャーム株式会社 | Absorbent article using continuous filament surface structure |
CA2609104C (en) * | 2007-04-10 | 2017-09-05 | Exist Marketing Pty Ltd | Method and device for treating bursitis |
BRPI0721612A2 (en) | 2007-04-11 | 2013-01-15 | Sca Hygiene Prod Ab | absorbent article with leakage barriers |
US8430858B2 (en) | 2007-05-31 | 2013-04-30 | Sca Hygiene Products Ab | Convertible absorbent article |
EP2164438A4 (en) | 2007-06-26 | 2013-12-18 | Sca Hygiene Prod Ab | Method for manufacturing an absorbent article |
WO2009048360A1 (en) | 2007-10-10 | 2009-04-16 | Sca Hygiene Products Ab | Belted absorbent article |
US8298206B2 (en) | 2007-10-10 | 2012-10-30 | Sca Hygiene Products Ab | Belted absorbent article |
EP2209452B1 (en) | 2007-11-08 | 2015-01-21 | Sca Hygiene Products AB | Hygienic article with temporarily attached side panels |
US8277432B2 (en) | 2007-11-20 | 2012-10-02 | Sca Hygiene Products Ab | Shaped absorbent article with edge elastics |
EP2211808B1 (en) | 2007-11-20 | 2012-10-24 | Sca Hygiene Products AB | Shaped absorbent article |
PL2231095T3 (en) | 2007-12-20 | 2015-12-31 | Sca Hygiene Prod Ab | A seam joining together at least two web materials |
WO2009082287A1 (en) * | 2007-12-21 | 2009-07-02 | Sca Hgiene Products Ab | Absorbent article with odour control substane |
JP5441356B2 (en) * | 2008-05-15 | 2014-03-12 | ユニ・チャーム株式会社 | Top sheet for absorbent article, method for producing the same, and absorbent article using the same |
GB0814969D0 (en) * | 2008-07-07 | 2008-09-24 | Hough Judith | Child's paint protective liner |
HUE037556T2 (en) | 2008-08-08 | 2018-09-28 | Smith & Nephew Inc | Wound dressing of continuous fibers |
CN102186444B (en) | 2008-10-16 | 2014-11-19 | Sca卫生用品公司 | Absorbent article with elastic side panels |
ES2539423T3 (en) | 2008-10-30 | 2015-06-30 | Sca Hygiene Products Ab | Disposable absorbent article comprising a printed label |
RU2478356C2 (en) | 2008-10-30 | 2013-04-10 | Ска Хайджин Продактс Аб | Disposable absorbing product, containing partly attached label with stamp |
JP4653211B2 (en) * | 2008-11-13 | 2011-03-16 | 大王製紙株式会社 | Absorbent articles |
DE102008061535A1 (en) | 2008-12-03 | 2010-06-10 | Aesculap Ag | Medical absorbent body, in particular for the removal of wound fluids from human and / or animal body cavities, and method for its production |
PL2373274T3 (en) | 2008-12-17 | 2014-02-28 | Essity Hygiene & Health Ab | Absorbent article with disposal wrapper |
GB0902368D0 (en) | 2009-02-13 | 2009-04-01 | Smith & Nephew | Wound packing |
EP2429472B1 (en) | 2009-05-12 | 2018-07-18 | Sca Hygiene Products AB | Disposable absorbent article having a barrier connected to the side portion via a connecting member |
EP2445467B8 (en) | 2009-06-26 | 2014-11-19 | Sca Hygiene Products AB | Method for manufacturing a pants-type diaper |
CN102548517B (en) | 2009-07-03 | 2014-05-07 | Sca卫生用品公司 | Absorbent article with embossed elastic side panels |
EP2453769B1 (en) | 2009-07-16 | 2015-02-25 | SCA Hygiene Products AB | Boxer shorts formed by a method which does not require removal of material from the manufacturing web |
US8292863B2 (en) | 2009-10-21 | 2012-10-23 | Donoho Christopher D | Disposable diaper with pouches |
US9089453B2 (en) | 2009-12-30 | 2015-07-28 | Curt G. Joa, Inc. | Method for producing absorbent article with stretch film side panel and application of intermittent discrete components of an absorbent article |
US8791315B2 (en) | 2010-02-26 | 2014-07-29 | Smith & Nephew, Inc. | Systems and methods for using negative pressure wound therapy to manage open abdominal wounds |
GB201006986D0 (en) | 2010-04-27 | 2010-06-09 | Smith & Nephew | Wound dressing |
CN101940514B (en) * | 2010-06-17 | 2013-12-11 | 重庆百亚卫生用品有限公司 | Hygienic article surface coating layer and use thereof |
US8394316B2 (en) | 2010-08-12 | 2013-03-12 | Johnson & Johnson Do Brasil Industria E Comercio Produtos Para Saude Ltda. Rodovia | Method for making a fibrous article |
US8398915B2 (en) | 2010-08-12 | 2013-03-19 | Johnson & Johnson do Brasil Industria e Comercio Produtos Paral Saude Ltda. Rodovia | Method for making a fibrous article |
US8388329B2 (en) | 2010-08-12 | 2013-03-05 | Johnson & Johnson Do Brasil Industria E Comercio Produtos Para Saude Ltda. Rodovia | Apparatus for making a fibrous article |
US8480387B2 (en) | 2010-08-12 | 2013-07-09 | Johnson & Johnson Do Brasil Industria E Comercio Produtos Para Saude Ltda. | Apparatus for making a fibrous article having a three dimensional profile |
WO2013007973A2 (en) | 2011-07-14 | 2013-01-17 | Smith & Nephew Plc | Wound dressing and method of treatment |
JP5679778B2 (en) * | 2010-11-19 | 2015-03-04 | ユニ・チャーム株式会社 | Absorbent articles |
RU2549062C2 (en) | 2010-12-20 | 2015-04-20 | Ска Хайджин Продактс Аб | Absorbing boxer shorts with expanded crotch panel and their manufacture method |
US8426671B2 (en) * | 2011-02-11 | 2013-04-23 | Polymer Group, Inc. | Liquid management layer for personal care absorbent articles |
US8656817B2 (en) | 2011-03-09 | 2014-02-25 | Curt G. Joa | Multi-profile die cutting assembly |
US8820380B2 (en) | 2011-07-21 | 2014-09-02 | Curt G. Joa, Inc. | Differential speed shafted machines and uses therefor, including discontinuous and continuous side by side bonding |
US8623248B2 (en) | 2011-11-16 | 2014-01-07 | Celanese Acetate Llc | Methods for producing nonwoven materials from continuous tow bands |
CA2856052C (en) | 2011-12-01 | 2018-06-12 | Sca Hygiene Products Ab | Absorbent article having fluid flow control member |
US9763837B2 (en) | 2011-12-01 | 2017-09-19 | Sca Hygiene Products Ab | Absorbent article having fluid flow control member |
US9498384B2 (en) | 2011-12-01 | 2016-11-22 | Leigh E. Wood | Assembled intermediate comprising staple fiber nonwoven web and articles |
US10751220B2 (en) | 2012-02-20 | 2020-08-25 | Curt G. Joa, Inc. | Method of forming bonds between discrete components of disposable articles |
CN103284844B (en) * | 2012-02-28 | 2016-05-18 | 金红叶纸业集团有限公司 | Absorbent article |
US9809414B2 (en) | 2012-04-24 | 2017-11-07 | Curt G. Joa, Inc. | Elastic break brake apparatus and method for minimizing broken elastic rethreading |
AU2013264934B2 (en) | 2012-05-23 | 2017-07-20 | Smith & Nephew Plc | Apparatuses and methods for negative pressure wound therapy |
EP2689760A1 (en) | 2012-07-24 | 2014-01-29 | Ontex BVBA | Absorbent article |
CA2880148C (en) | 2012-08-01 | 2021-07-20 | Smith & Nephew Plc | Wound dressing and method of treatment |
ES2625709T3 (en) | 2012-08-01 | 2017-07-20 | Smith & Nephew Plc. | Wound dressing |
US9480608B2 (en) | 2012-10-31 | 2016-11-01 | Kimberly-Clark Worldwide, Inc. | Absorbent article with a fluid-entangled body facing material including a plurality of hollow projections |
US9480609B2 (en) | 2012-10-31 | 2016-11-01 | Kimberly-Clark Worldwide, Inc. | Absorbent article with a fluid-entangled body facing material including a plurality of hollow projections |
US9327473B2 (en) | 2012-10-31 | 2016-05-03 | Kimberly-Clark Worldwide, Inc. | Fluid-entangled laminate webs having hollow projections and a process and apparatus for making the same |
US10070999B2 (en) | 2012-10-31 | 2018-09-11 | Kimberly-Clark Worldwide, Inc. | Absorbent article |
US9474660B2 (en) | 2012-10-31 | 2016-10-25 | Kimberly-Clark Worldwide, Inc. | Absorbent article with a fluid-entangled body facing material including a plurality of hollow projections |
PL2934416T3 (en) | 2012-12-21 | 2018-02-28 | Sca Hygiene Products Ab | Body fluid test arrangement for an absorbent article |
BR112015020855A2 (en) | 2013-03-15 | 2017-07-18 | Smith & Nephew | wound dressing and treatment method |
EP2799052A1 (en) | 2013-05-02 | 2014-11-05 | Ontex BVBA | Absorbent article |
US9283683B2 (en) | 2013-07-24 | 2016-03-15 | Curt G. Joa, Inc. | Ventilated vacuum commutation structures |
USD704237S1 (en) | 2013-08-23 | 2014-05-06 | Curt G. Joa, Inc. | Ventilated vacuum commutation structure |
USD703247S1 (en) | 2013-08-23 | 2014-04-22 | Curt G. Joa, Inc. | Ventilated vacuum commutation structure |
USD703248S1 (en) | 2013-08-23 | 2014-04-22 | Curt G. Joa, Inc. | Ventilated vacuum commutation structure |
USD703711S1 (en) | 2013-08-23 | 2014-04-29 | Curt G. Joa, Inc. | Ventilated vacuum communication structure |
USD703712S1 (en) | 2013-08-23 | 2014-04-29 | Curt G. Joa, Inc. | Ventilated vacuum commutation structure |
JP6005019B2 (en) * | 2013-09-30 | 2016-10-12 | 大王製紙株式会社 | Absorbent articles |
US9289329B1 (en) | 2013-12-05 | 2016-03-22 | Curt G. Joa, Inc. | Method for producing pant type diapers |
EP2901990A1 (en) | 2014-01-29 | 2015-08-05 | Ontex BVBA | Absorbent article |
DE202014004532U1 (en) | 2014-05-28 | 2014-08-05 | Hans-Dieter Cornelius | sanitary napkin |
EP2952165B1 (en) * | 2014-06-03 | 2023-11-22 | The Procter & Gamble Company | Absorbent element for disposable absorbent articles having an integrated acquisition layer |
US10610414B2 (en) | 2014-06-18 | 2020-04-07 | Smith & Nephew Plc | Wound dressing and method of treatment |
MY177779A (en) * | 2014-10-17 | 2020-09-23 | Kao Corp | Nonwoven fabric |
EP3209261B1 (en) | 2014-10-22 | 2019-04-10 | 3M Innovative Properties Company | Printed components and methods for making the same |
WO2016108741A1 (en) | 2015-01-02 | 2016-07-07 | Sca Hygiene Products Ab | Absorbent article |
EP3058916B1 (en) | 2015-02-17 | 2018-01-31 | The Procter and Gamble Company | Package for absorbent articles forming a three-dimensional basin |
DK3325387T3 (en) | 2015-07-24 | 2022-03-14 | Joa Curt G Inc | Vacuum commutation apparatus and methods |
GB2555584B (en) | 2016-10-28 | 2020-05-27 | Smith & Nephew | Multi-layered wound dressing and method of manufacture |
WO2018160161A1 (en) | 2017-02-28 | 2018-09-07 | Kimberly-Clark Worldwide, Inc. | Process for making fluid-entangled laminate webs with hollow projections and apertures |
CN110312495A (en) | 2017-03-30 | 2019-10-08 | 金伯利-克拉克环球有限公司 | Opening area is combined in absorbent article |
CN106948088B (en) * | 2017-04-21 | 2020-02-21 | 天守(福建)超纤科技股份有限公司 | Method for manufacturing non-woven fabric of fixed island |
WO2018226132A1 (en) | 2017-06-09 | 2018-12-13 | Essity Hygiene And Health Aktiebolag | Disposable hygiene article with improved fit |
US11141323B2 (en) | 2017-06-09 | 2021-10-12 | Essity Hygiene And Health Aktiebolag | Disposable hygiene article with improved fit |
EP3634352B1 (en) | 2017-06-09 | 2022-02-09 | Essity Hygiene and Health Aktiebolag | Disposable hygiene article with improved fit |
WO2018228682A1 (en) | 2017-06-14 | 2018-12-20 | Essity Hygiene And Health Aktiebolag | Male incontinence guard and method for manufacturing a male incontinence guard |
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Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3371667A (en) | 1964-06-11 | 1968-03-05 | Johnson & Johnson | Article for absorbing body exudates |
US4059114A (en) * | 1976-05-12 | 1977-11-22 | Minnesota Mining And Manufacturing Company | Garment shield |
US4079739A (en) * | 1976-12-27 | 1978-03-21 | Kimberly-Clark Corporation | Die-cut contoured catamenial napkin of multi-layered construction |
JPS56106710U (en) * | 1980-01-17 | 1981-08-19 | ||
JPS61186505A (en) * | 1985-02-14 | 1986-08-20 | 西野 鉄也 | Paper diaper |
GB2209672B (en) | 1987-09-14 | 1991-05-22 | Robinson & Sons Ltd | Incontinence pad |
US4798603A (en) | 1987-10-16 | 1989-01-17 | Kimberly-Clark Corporation | Absorbent article having a hydrophobic transport layer |
JPH01192803A (en) * | 1988-01-23 | 1989-08-02 | Asahi Chem Ind Co Ltd | Novel disposable sanitary material |
JPH061702Y2 (en) * | 1988-09-08 | 1994-01-19 | 大王製紙株式会社 | Disposable absorbent article |
US5972505A (en) * | 1989-04-04 | 1999-10-26 | Eastman Chemical Company | Fibers capable of spontaneously transporting fluids |
NZ233094A (en) * | 1989-04-04 | 1992-07-28 | Eastman Kodak Co | Synthetic fibre with grooves spontaneously transports water on its surface |
SE463746B (en) | 1989-05-31 | 1991-01-21 | Moelnlycke Ab | Absorbent articles of disposable type |
US5382245A (en) * | 1991-07-23 | 1995-01-17 | The Procter & Gamble Company | Absorbent articles, especially catamenials, having improved fluid directionality |
US5662633A (en) * | 1991-07-23 | 1997-09-02 | The Procter & Gamble Company | Absorbent article having a window with a body-conforming acquisition element positioned therein |
US5669895A (en) * | 1991-11-11 | 1997-09-23 | The Procter & Gamble Company | Absorbent article having rapid distribution strip |
JPH07500759A (en) * | 1991-11-11 | 1995-01-26 | ザ、プロクター、エンド、ギャンブル、カンパニー | Absorbent material with strips that quickly distribute fluid |
MX9300424A (en) * | 1992-11-06 | 1994-05-31 | Kimberly Clark Co | FIBROUS LAMINATED FABRIC AND METHOD AND APPARATUS FOR THE MANUFACTURE OF THE SAME. |
WO1995000095A1 (en) * | 1993-06-28 | 1995-01-05 | The Procter & Gamble Company | Absorbent article having a window with a body-conforming acquisition element positioned therein |
FR2713083B1 (en) | 1993-12-03 | 1996-01-19 | Kaysersberg Sa | Feminine hygiene article fitted with menstrual flow sensors. |
CA2129210A1 (en) | 1994-03-31 | 1995-10-01 | Debra Jean Mcdowall | Liquid distribution layer for absorbent articles |
JP3215262B2 (en) * | 1994-06-03 | 2001-10-02 | ユニ・チャーム株式会社 | Disposable body fluid absorbent articles |
JP3091361B2 (en) * | 1994-06-07 | 2000-09-25 | ユニ・チャーム株式会社 | Disposable body fluid absorbent articles |
USH1585H (en) * | 1994-06-30 | 1996-08-06 | Ahr; Nicholas A. | Absorbent article having a braided wicking structure |
JP3058572B2 (en) | 1994-12-13 | 2000-07-04 | ユニ・チャーム株式会社 | Body fluid absorbent articles |
US5695486A (en) * | 1995-09-19 | 1997-12-09 | Buckeye Cellulose Corporation | Light-weight, low density absorbent structure and method of making the structure |
JP3564246B2 (en) * | 1996-11-22 | 2004-09-08 | ユニ・チャーム株式会社 | Surface layer of disposable body fluid absorbent article |
JP3169341B2 (en) * | 1996-12-28 | 2001-05-21 | ユニ・チャーム株式会社 | Disposable wearable absorbent articles |
-
1997
- 1997-12-03 SE SE9704484A patent/SE514391C2/en not_active IP Right Cessation
-
1998
- 1998-10-07 WO PCT/SE1998/001808 patent/WO1999030661A1/en not_active Application Discontinuation
- 1998-10-07 KR KR1020007006047A patent/KR20010024675A/en not_active Application Discontinuation
- 1998-10-07 EP EP98948043A patent/EP1035820B1/en not_active Expired - Lifetime
- 1998-10-07 PL PL98340878A patent/PL340878A1/en not_active Application Discontinuation
- 1998-10-07 AT AT98948043T patent/ATE245014T1/en not_active IP Right Cessation
- 1998-10-07 DE DE69816476T patent/DE69816476T2/en not_active Expired - Lifetime
- 1998-10-07 DK DK98948043T patent/DK1035820T3/en active
- 1998-10-07 AU AU94701/98A patent/AU740026B2/en not_active Ceased
- 1998-10-07 RU RU2000117285/14A patent/RU2204976C2/en not_active IP Right Cessation
- 1998-10-07 JP JP2000538647A patent/JP2002508218A/en not_active Withdrawn
- 1998-10-07 CA CA002313046A patent/CA2313046A1/en not_active Abandoned
- 1998-12-03 MY MYPI98005473A patent/MY133076A/en unknown
- 1998-12-03 GB GB9826657A patent/GB2331937A/en not_active Withdrawn
- 1998-12-03 ZA ZA9811074A patent/ZA9811074B/en unknown
- 1998-12-03 DK DK98960144T patent/DK1035818T3/en active
- 1998-12-03 TR TR2000/01618T patent/TR200001618T2/en unknown
- 1998-12-03 ZA ZA9811075A patent/ZA9811075B/en unknown
- 1998-12-03 ZA ZA9811076A patent/ZA9811076B/en unknown
- 1998-12-03 DE DE69804847T patent/DE69804847T2/en not_active Expired - Lifetime
- 1998-12-03 CO CO98072235A patent/CO5070630A1/en unknown
- 1998-12-03 CO CO98072241A patent/CO5070631A1/en unknown
- 1998-12-03 JP JP2000522865A patent/JP2001524350A/en active Pending
- 1998-12-03 AR ARP980106153A patent/AR017799A1/en active IP Right Grant
- 1998-12-03 NZ NZ504737A patent/NZ504737A/en unknown
- 1998-12-03 RU RU2000117283/14A patent/RU2215509C2/en not_active IP Right Cessation
- 1998-12-03 TN TNTNSN98217A patent/TNSN98217A1/en unknown
- 1998-12-03 WO PCT/SE1998/002215 patent/WO1999027876A1/en not_active Application Discontinuation
- 1998-12-03 KR KR1020007006022A patent/KR20010032733A/en not_active Application Discontinuation
- 1998-12-03 CA CA002312737A patent/CA2312737C/en not_active Expired - Fee Related
- 1998-12-03 TW TW087120079A patent/TW413631B/en not_active IP Right Cessation
- 1998-12-03 PL PL340905A patent/PL196459B1/en unknown
- 1998-12-03 AU AU15813/99A patent/AU739566B2/en not_active Ceased
- 1998-12-03 ES ES98960144T patent/ES2175829T3/en not_active Expired - Lifetime
- 1998-12-03 PE PE1998001179A patent/PE20000159A1/en not_active Application Discontinuation
- 1998-12-03 AT AT98960144T patent/ATE215803T1/en not_active IP Right Cessation
- 1998-12-03 EP EP98960144A patent/EP1035818B1/en not_active Expired - Lifetime
- 1998-12-03 TN TNTNSN98219A patent/TNSN98219A1/en unknown
-
1999
- 1999-06-09 US US09/328,455 patent/US6417427B1/en not_active Expired - Lifetime
- 1999-06-09 US US09/328,899 patent/US6660902B2/en not_active Expired - Lifetime
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