WO1998018422A1 - Fastening means for an absorbent garment - Google Patents

Fastening means for an absorbent garment Download PDF

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Publication number
WO1998018422A1
WO1998018422A1 PCT/SE1997/001779 SE9701779W WO9818422A1 WO 1998018422 A1 WO1998018422 A1 WO 1998018422A1 SE 9701779 W SE9701779 W SE 9701779W WO 9818422 A1 WO9818422 A1 WO 9818422A1
Authority
WO
WIPO (PCT)
Prior art keywords
attachment
strip elements
waist portion
attachment means
absorbent garment
Prior art date
Application number
PCT/SE1997/001779
Other languages
French (fr)
Inventor
Svante Thuren
Robert Kling
Original Assignee
Sca Hygiene Products Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sca Hygiene Products Ab filed Critical Sca Hygiene Products Ab
Priority to SK508-99A priority Critical patent/SK50899A3/en
Priority to US09/194,968 priority patent/US6843786B1/en
Priority to JP52036198A priority patent/JP2001503293A/en
Priority to DE69713126T priority patent/DE69713126T2/en
Priority to PL331941A priority patent/PL192530B1/en
Priority to EP97911546A priority patent/EP0935453B1/en
Publication of WO1998018422A1 publication Critical patent/WO1998018422A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56Supporting or fastening means
    • A61F13/62Mechanical fastening means, ; Fabric strip fastener elements, e.g. hook and loop
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56Supporting or fastening means
    • A61F13/5622Supporting or fastening means specially adapted for diapers or the like
    • A61F13/5633Supporting or fastening means specially adapted for diapers or the like open type diaper
    • A61F13/5638Supporting or fastening means specially adapted for diapers or the like open type diaper adjustable open type diapers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56Supporting or fastening means
    • A61F13/62Mechanical fastening means, ; Fabric strip fastener elements, e.g. hook and loop
    • A61F13/622Fabric strip fastener elements, e.g. hook and loop

Definitions

  • the present invention relates to an absorbent garment of the type defined in the preamble of claim 1.
  • the invention relates to disposable absorbent garments of the type which are fastened around the user's waist, such as diapers (nappies) for both incontinence sufferers as well as for baby/infant users, and absorbent pants with waist reclosing means in particular for smaller users.
  • the garments of this invention will comprise a top sheet, a back sheet and an absorbent body therebetween.
  • An absorbent garment with features corresponding to those defined in the preamble of claim 1. is known from EP-A-0 532 035 for example.
  • the purpose of the diaper in EP-A-0 532 035 is to provide adjustment means able to adapt to a large range of wearer sizes such that one single garment size of garment will fit a user during his/her various stages of growth.
  • two wide strips of loop material are attached onto the frontal waist portion of the garment with only a slight spacing therebetween.
  • the width of the strips, as seen from the top edge of the garment towards the middle of the garment, is such that they occupy substantially the entire frontal waist portion, in order to fulfil their purpose.
  • Fastening of the diaper in EP-A-0 532 035 around the user's waist is performed by attaching strips of cooperating hook elements positioned on the inner surface of the garment (i.e. the surface of the diaper in contact with the skin) to either the top or the bottom frontal loop strip only.
  • the inner surface of the garment i.e. the surface of the diaper in contact with the skin
  • the frontal loop strip only.
  • CORRECTED waist portion is folded out and the hook elements are to be attached to the upper frontal strip.
  • the slight spacing between the frontal waist strips provides better folding characteristics of the garment in the frontal waist portion to fit the various sizes of users, since it provides a convenient folding denotation (i.e. a line about which folding can take place).
  • the two frontal strips can be replaced by an even wider continuous strip with no gap, although clearly no pre-defined folding denotation will be present.
  • the user when attempting to release one part of the attachment means (e.g. the co-acting hook element strip) from the other (e.g. the loop element) for re-adjustment or removal, the user is unable to access the area between the co-acting strips. Since the wearer, or an assistant who is fitting the garment to the wearer, cannot gain access in this way, it is not possible to apply a substantially normal (i.e. perpendicular) separating force between the two strip elements. Instead, an edge of the garment itself must be grasped proximate the location of the strip and an oblique force component applied in order to achieve separation.
  • a substantially normal (i.e. perpendicular) separating force between the two strip elements it is not possible to apply a substantially normal (i.e. perpendicular) separating force between the two strip elements. Instead, an edge of the garment itself must be grasped proximate the location of the strip and an oblique force component applied in order to achieve separation.
  • the main underlying problem of the present invention relates to reducing the amount of strip attachment material which is required on the waist portion of the garment whilst providing a high degree of stability in the waist region when the front and rear waist portions are attached together.
  • the diaper should be adjustable to a certain range of user sizes and that the cooperating attachment strips should allow attachment and re-attachment (i.e. reclosability) when fitting.
  • a further problem is to provide an improved separability between the cooperating strips such that the danger of tearing of the garment is reduced.
  • waist portions of an absorbent garment refers to the general areas at either end of the absorbent garment which are designed such that, when fitted to a user, they will be proximate to the front and rear portions of the user's waist.
  • the waist portions will often be provided with elastication means.
  • these front and rear waist portions will start at an outer longitudinal edge of the diaper and extend towards the middle of said diaper by a certain distance, typically between 30 mm (typical in very small diapers) up to about 120 mm in adult incontinence diapers.
  • the two waist portions will be joined by an intermediate region, the side edges of which are typically substantially taken up by leg-opening portions which may be elasticated.
  • a typical ratio of proportions in a diaper is such that the extent of the waist portion inwardly towards the middle of the diaper constitutes between about 20% to 40% of the whole diaper length.
  • the extent of the frontal waist portion, when a correct size diaper is fitted correctly on a wearer can be seen as approximating to the distance from the upper edge of the diaper, when fitted, to the top of the user's thighs.
  • the absorbent garments referred to in claim 1 may include an absorbent body, or member, as an integral part thereof, or that they may be of the type where an absorbent body or absorbent member is added.
  • the latter type may, for example, be of the type where a garment is formed as defined in claim 1, but where the absorbent body or element is removable such as in the case where the same absorbent garment is to be used several times with a replaceable absorbent body.
  • the first and second attachment means are defined as cooperating with each other for releasable attachment.
  • each of said first and second attachment means has a surface which will releasably engage the respective opposed attachment means.
  • a preferred form of this in the present application would be hook and loop fastening means (known per se), whereby an attachment strip having hook members is disposed integrally with, or on, one waist portion of the garment and an attachment strip having loop members would be disposed integrally with, or on, the other waist portion.
  • Hook and loop fastening means are merely an example of what are known generally in this technical field as releasably attachable fastening means and more particularly as releasably attachable mechanical fastening means.
  • the hook and loop attachment means thus provide mechanically interengaging, or in other words mechanical cooperation, between each other.
  • An example of such mechanical fastening means is for example sold under the trademark "Velcro" .
  • Various types of releasably attachable mechanical fastening means are known in this field and are to be understood as included within the definition of attachment means for releasable attachment. Thus where hook and loop elements or strips are referred to it is equally applicable to use other releasable mechanical fasteners of this type.
  • hook and loop members may both be used on either one or both surfaces.
  • the strips may be constituted by portions of the absorbent garment having cohesive adhesives applied thereto.
  • cohesive adhesives are particular in that they do not exhibit a large adhesive capacity to any surface apart from a surface having a cooperating cohesive adhesive component thereon.
  • minor proportion refers to a proportion which is less than 50% of the reference measurement. For example, a minor proportion of 10 is less than 5.
  • major proportion refers to a proportion which is greater than 50% of the reference measurement.
  • width and length are used in various ways in the following.
  • the length refers to the dimension as seen in a direction transverse to the longitudinal axis of the absorbent garment; the longitudinal axis of the absorbent garment being the axis extending between the middle of each of the two waist portions.
  • the width of the first attachment strip elements refers to their dimension as seen in a direction generally parallel with the longitudinal axis of the garment.
  • “length” refers to their dimension in the general direction of the longitudinal axis of the garment whereas their width is their dimension transverse to this.
  • a single strip element may be constituted by very fine strips of attachment material (e.g. cohesive adhesive) applied as a set of very closely adjacent intermittent or continuous rows.
  • attachment material e.g. cohesive adhesive
  • the width of the attachment strip element is to be understood as the distance between the outer margins of said closely adjacent set of rows comprised in one strip element.
  • the spacing between the two attachment strip elements must be of the order of at least 8 mm and preferably 20 mm or more.
  • the spacing between the strip elements must be at least 8 mm, and preferably 20 mm or more.
  • Fig.l shows a plan view of one embodiment of an absorbent garment according to the present invention in a folded-out condition.
  • the disposable absorbent garment 1 depicted in Fig. 1 shows the inner side of the garment (i.e. the side of the garment contacting the user's skin during use).
  • the inner layer or liner 2 (which may form all, or part, of the inner layer) will preferably be made of a PP material such as a consoli- dated spunbonded polypropylene sheet which is treated so as to be permeable to fluids.
  • the backsheet 3 will preferably be constituted by a fluid-impermeable film material such as PE or PET in a conventional manner. Other suitable materials may of course be used for the various layers. Additio- nally, other sheets or layers may be added inbetween the sheets 2 and 3. Between the two sheets there is an absor- bent body 4, typically of cellulose pulp fibres or the like, optionally containing one or more SAP components for example.
  • the garment 1 has two waist portions, preferably elasticated, at either end thereof.
  • a first waist portion 5 is positioned at one end of the article and a second waist portion 6 is positioned at the other end of the article.
  • the waist portion 5 is the part of the garment extending from one end 7 (i.e. the upper edge) of the garment to a location approximately level with the locations where the leg openings 9 and 10 meet the longitudinal side edges close to the top of the garment, said waist portion extending across the width of the article.
  • the second waist portion 6 extends from the end 8 (i.e.
  • the lower edge of the garment to a location approximately level with the locations where the leg openings 9 and 10 meet the longitudinal side edges close to the bottom of the garment, said waist portion also extending across the width of the article.
  • the exact extent of the first and second waist portions will vary.
  • the waist portions are preferably similar or equal in length, but this is not a requirement.
  • Asymmetric garments may be used for example.
  • first attachment strip elements 11, 12 and 13, shown in the drawing as continuous attachment strips having a constant width w and being disposed across the first waist portion 5, constitute the first attachment means.
  • only two attachment strip elements are required, although more strip elements may be used.
  • at least two strip elements must be used according to the invention.
  • strip elements 11 and 12, or strip elements 11 and 13 might be required.
  • the strip elements are shown as hidden detail since they are disposed on the outer side of backsheet 3, not visible in this Figure.
  • Each of the strip elements 11, 12 and 13 preferably comprises a strip of loop material.
  • Each of said strip elements is furthermore elongate such that the width of each strip element is a minor proportion of its length, and preferably a very minor proportion of its length, such as for example about 5%.
  • the strip elements 11, 12, 13 extend between the side edges of the first waist portion 5. However, it is not required that they extend with each end positioned exactly coterminous with a respective side edge of the waist portion.
  • a clearance may be provided such that the end of the respec- tive strip element is positioned inwardly of the waist portion side edge. The clearance may be sufficient merely to allow for manufacturing tolerances if longitudinal production techniques are used, or the clearance may be larger.
  • the distance, X j or x 2 for example, between the facing edges of the strip elements is a distance which is at least as large as a major proportion of the width of any of the strips 11, 12, or 13 over at least part of their length and preferably the whole of their length. In most cases this distance will be considerably larger, such as three or four times larger.
  • the distance between the strip elements will preferably be at least about 14 mm and normally more. However, the minimum distance between the centrelines of adjacent single strip elements should be greater than 20 mm. If a finger is to be fully inserted under the outer strip element, said distance may be chosen to be larger (e.g. 35 to 40 mm or more). The purpose of this dimensioning will be explained in more detail below.
  • a central portion 19, and/or other portions, of one or more of the strip elements 11, 12, or 13 may be omitted so as to form a discontinuous strip element.
  • second attachment strip elements 14 and 15 Disposed on the second waist portion 6, proximate the side edges thereof and on the inner side of said garment, are at least two second attachment strip elements 14 and 15 extending generally parallel to the direction of the garment's longitudinal axis and generally transverse to said first attachment strip elements.
  • the strip elements 14 and 15 may be somewhat slanted with respect to said longitudinal direction and can present a somewhat diverging or converging relationship. Further strip elements 14 and 15 may also be used, although in a preferred embodiment using hook and loop attachment means only two are needed.
  • Said strip elements 14 and 15 are positioned proximate the outer edges of said second waist portion, but preferably a short distance (e.g. 5 mm to about 20 mm) inside said outer edges.
  • the second attachment strip elements 14 and 15 comprise hook material strips (presuming that the first attachment strips comprise loop material) which will cooperate with the first attachment strip elements for releasable attachment thereto.
  • the strip elements 14 and 15 extend from a location proximate the end 8 of the garment preferably up to a location close to the inner end of the waist portion.
  • such strip elements which correspond to said definition are illustrated by the extensions 16 and 17 of strip elements 14 and 15 respectively.
  • the use of dotted lines merely indicates a possible extension of said strip elements 14 and 15 and is not intended to show hidden detail.
  • Each of strip elements 14 and 15 is preferably the same length y,.
  • the length ⁇ t will normally vary depending on the size of the absorbent garment, but will typically be in the range of between about 15 mm up to about 100 mm.
  • the length Yi of the strip elements 14 and 15 is however dependent on the spacing between said first attachment strip elements 11, 12, and 13.
  • the length y, of the strip elements 14 and 15, in accordance with the invention must be greater than x,.
  • This relationship must apply over at least part of the length of the strip elements 11-13. In most cases, the relationship should apply over the whole length of the first attachment strip elements. However, said relationship might apply only at the outer portions of the strip elements 11-13, where it would normally be expected that the second attachment strips would be fastened.
  • a divergence from the claimed relationship at other parts along the length of the first strip elements may for example be to accommodate angling of the second attachment strips if required. Angling of the attachment strips 14 and 15 upon attachment to strip elements 11-13 will be described in more detail below.
  • each of strip elements 14 and 15 will be approximately equal to the distance between said two first attachment strip elements in addition to the width w of each of said first attachment strips.
  • the length of strips 14 and 15 will have a length ⁇ 1 greater than x, + 2w over at least part of their length and preferably the whole of their length.
  • ⁇ 1 greater than x, + 2w over at least part of their length and preferably the whole of their length.
  • Such an embodiment allows slanting or angling of the strips elements 14 and 15 when attaching these to the cooperating strip elements. Such angling will be explained in more detail below with respect to comfort requirements .
  • length y in relation to the distance x, (or x 2 ) can readily be determined by a skilled man in accordance with the materials used and their exact dimensions. For example it may be only necessary to arrange length yj to be equal to x, + w, or less in some cases.
  • distance y 2 length of strips 16 and 17
  • distance x 2 distance x 2 if only two strips 11 and 13 are affixed on said first waist portion.
  • the distance of separation between the first attachment strip elements is to be understood as the distance between the inner edges of the two outermost strip elements 11, 13 at the part of their length in question.
  • the strip elements may have rounded outer ends (not shown).
  • the distance between the strip elements 11, 12, 13, or similarly their width dimensions, is to be understood as excluding said rounded end portions.
  • All of the strip elements 11 - 17 should be kept to a minimum width so as to achieve maximum material savings whilst maintaining the advantages of waist stability which will be explained below.
  • none of the strip elements should have a width greater than about 30 mm. More preferably the width will be even less, of the order of 15 mm or less for example.
  • the strip elements may have different widths such as, by way of example only, 20 mm for one strip and 24 mm for another of said strip elements.
  • Waist stability refers to the maintenance of the waist portions, particularly the front waist portion, in a generally non-sagging relationship in the fitted position of the garment.
  • attachment of the front and rear waist portions of the diaper should be provided at spaced locations which are proximate the upper and lower parts of the waist portions.
  • the garment feels uncomfortable, especially in larger users, and over-tightening of some prior art diapers is often the result, which is both uncomfortable and does not fully solve the stability problem.
  • Waist stability is however achieved in this invention by the two strip elements 14 and 15 being attached, at respective ends of each strip element, to both the upper and lower first attachment strips 11 and 12 for example.
  • each of the strip elements provides support at at least two separate, relatively large-spaced locations which provides the required stability. Significant costs are thus saved compared to one wide first attachment strip or two, wide closely-adjacent strips of the prior art, all without losing any stability in the waist portions and generally providing an improvement therein.
  • the garment of this invention does not sacrifice the advantages of releasable attachment or adjustability for varying user sizes.
  • variations in fitting the cooperating first and second attachment means together may be achieved by the fitter of the garment (normally the wearer, if the wearer is a capable adult or older child, but sometimes a nurse or other helper such as a child wearer's parent) slanting the attachment strip elements 14 and 15 so that they lie at an angle other than 90° to the first attachment strips (e.g. at 70°).
  • the fitter of the garment normally the wearer, if the wearer is a capable adult or older child, but sometimes a nurse or other helper such as a child wearer's parent
  • the attachment strip elements 14 and 15 so that they lie at an angle other than 90° to the first attachment strips (e.g. at 70°).
  • the absorbent core is shown as extending into the front waist portion (the first waist portion 5 in the embodiment shown). Since the first attachment strip elements 11, 12, 13 are themselves normally attached to the back sheet, rather than being part of it, attachment to this area when an absorbent core has already been inserted in the production process results in it being more difficult to attach a very wide strip element.
  • thinner strip elements as in the present invention, which are spaced as defined, the strip elements are more easily able to be attached securely to the back sheet since they adapt more easily to the shape and stiffness variations in the garment which may be present at that location.
  • the first attachment strips may be formed as strip elements which are curved and/or convergent and/or divergent from one side edge of the garment to the other, with or without a small gap 19 therebetween. Further modifications and variations within the scope of the invention will become apparent to the reader.

Abstract

Absorbent garment (1) comprising first and second waist portions (5, 6), wherein the waist portions are joined by an intermediate region including an absorbent body (4). First attachment means is provided on the first waist portion, and second attachment means is provided on the second waist portion, these attachment means cooperating with each other for releasable attachment. The first attachment means comprises at least two elongate attachment strip elements (11; 12; 13) extending between the side edges of said first waist portion (5) and the second attachment means comprises an attachment strip element (14-17) at either side edge of the second waist portion (6) extending generally transverse to said first attachment means. By arranging the first attachment strip elements to be separated by a distance (x1, x2) which is at least as large as a major proportion of the width (w) of any one of the first attachment strip elements and by giving each of the second attachment strips a length (y1, y2) greater than that distance, the waistband region of the garment is given good stability whilst still maintaining the advantages of adjustable reclosure.

Description

Fastening means for an absorbent garment
FIELD OF THE INVENTION
The present invention relates to an absorbent garment of the type defined in the preamble of claim 1. In particular, the invention relates to disposable absorbent garments of the type which are fastened around the user's waist, such as diapers (nappies) for both incontinence sufferers as well as for baby/infant users, and absorbent pants with waist reclosing means in particular for smaller users. Typically the garments of this invention will comprise a top sheet, a back sheet and an absorbent body therebetween.
BACKGROUND TO THE INVENTION
An absorbent garment with features corresponding to those defined in the preamble of claim 1. is known from EP-A-0 532 035 for example. The purpose of the diaper in EP-A-0 532 035 is to provide adjustment means able to adapt to a large range of wearer sizes such that one single garment size of garment will fit a user during his/her various stages of growth. To this end, in one embodiment, two wide strips of loop material are attached onto the frontal waist portion of the garment with only a slight spacing therebetween. The width of the strips, as seen from the top edge of the garment towards the middle of the garment, is such that they occupy substantially the entire frontal waist portion, in order to fulfil their purpose.
Fastening of the diaper in EP-A-0 532 035 around the user's waist is performed by attaching strips of cooperating hook elements positioned on the inner surface of the garment (i.e. the surface of the diaper in contact with the skin) to either the top or the bottom frontal loop strip only. As disclosed, when the user is small only the lower frontal strip is used whilst the upper one is folded away inwardly inside the garment. When the user is larger, the frontal
CORRECTED waist portion is folded out and the hook elements are to be attached to the upper frontal strip.
The slight spacing between the frontal waist strips provides better folding characteristics of the garment in the frontal waist portion to fit the various sizes of users, since it provides a convenient folding denotation (i.e. a line about which folding can take place). In an alternative embodiment, the two frontal strips can be replaced by an even wider continuous strip with no gap, although clearly no pre-defined folding denotation will be present.
The use of the wide strip portions in EP-A-0 532 035 allows adaptation to the size of a user and allows repeated reclosability of said garment. However there are serious drawbacks in that a large amount of material is required for the frontal strips in order to achieve the desired purpose. Such use of wide loop material strips constitutes a costly factor in the production of a diaper, especially when considering that the diaper of EP-A-0 532 035 is a diaper of the disposable type and that only one of the two frontal strips will be used at any one time, thus leaving the other strip obsolete. The use of the loop material in this way makes disposable diapers of this type uneconomical.
Additionally, when attempting to release one part of the attachment means (e.g. the co-acting hook element strip) from the other (e.g. the loop element) for re-adjustment or removal, the user is unable to access the area between the co-acting strips. Since the wearer, or an assistant who is fitting the garment to the wearer, cannot gain access in this way, it is not possible to apply a substantially normal (i.e. perpendicular) separating force between the two strip elements. Instead, an edge of the garment itself must be grasped proximate the location of the strip and an oblique force component applied in order to achieve separation. Not only does this mean that there must be a sufficient margin of garment material around the strip to be able to grasp it, but also the oblique force applied for separation has to be kept lower than the attachment force of the strips to the garment itself, otherwise tearing will occur. This problem can thus present significant design difficulties since a predetermined attachment force must be arranged between the cooperating strips.
The main underlying problem of the present invention relates to reducing the amount of strip attachment material which is required on the waist portion of the garment whilst providing a high degree of stability in the waist region when the front and rear waist portions are attached together. At the same time, it is important that the diaper should be adjustable to a certain range of user sizes and that the cooperating attachment strips should allow attachment and re-attachment (i.e. reclosability) when fitting.
A further problem is to provide an improved separability between the cooperating strips such that the danger of tearing of the garment is reduced.
SUMMARY OF THE INVENTION
The aforementioned problems are solved by an absorbent garment having the features defined in claim 1.
Preferred features of the invention are defined in the dependent claims.
With regard to the terminology used both in the claims and in the following description, a brief explanation thereof will be given below to aid the reader. The term "waist portions" of an absorbent garment refers to the general areas at either end of the absorbent garment which are designed such that, when fitted to a user, they will be proximate to the front and rear portions of the user's waist. The waist portions will often be provided with elastication means. In a diaper, these front and rear waist portions will start at an outer longitudinal edge of the diaper and extend towards the middle of said diaper by a certain distance, typically between 30 mm (typical in very small diapers) up to about 120 mm in adult incontinence diapers. The two waist portions will be joined by an intermediate region, the side edges of which are typically substantially taken up by leg-opening portions which may be elasticated. A typical ratio of proportions in a diaper is such that the extent of the waist portion inwardly towards the middle of the diaper constitutes between about 20% to 40% of the whole diaper length. Expressed in other terms, the extent of the frontal waist portion, when a correct size diaper is fitted correctly on a wearer, can be seen as approximating to the distance from the upper edge of the diaper, when fitted, to the top of the user's thighs.
Additionally it is to be understood that the absorbent garments referred to in claim 1 may include an absorbent body, or member, as an integral part thereof, or that they may be of the type where an absorbent body or absorbent member is added. The latter type may, for example, be of the type where a garment is formed as defined in claim 1, but where the absorbent body or element is removable such as in the case where the same absorbent garment is to be used several times with a replaceable absorbent body.
The first and second attachment means are defined as cooperating with each other for releasable attachment. By this it is meant that each of said first and second attachment means has a surface which will releasably engage the respective opposed attachment means. A preferred form of this in the present application would be hook and loop fastening means (known per se), whereby an attachment strip having hook members is disposed integrally with, or on, one waist portion of the garment and an attachment strip having loop members would be disposed integrally with, or on, the other waist portion. Hook and loop fastening means are merely an example of what are known generally in this technical field as releasably attachable fastening means and more particularly as releasably attachable mechanical fastening means. The hook and loop attachment means thus provide mechanically interengaging, or in other words mechanical cooperation, between each other. An example of such mechanical fastening means is for example sold under the trademark "Velcro" . Various types of releasably attachable mechanical fastening means are known in this field and are to be understood as included within the definition of attachment means for releasable attachment. Thus where hook and loop elements or strips are referred to it is equally applicable to use other releasable mechanical fasteners of this type.
In certain situations hook and loop members may both be used on either one or both surfaces. In a further em- bodiment of said cooperating attachment means, the strips may be constituted by portions of the absorbent garment having cohesive adhesives applied thereto. Such cohesive adhesives are particular in that they do not exhibit a large adhesive capacity to any surface apart from a surface having a cooperating cohesive adhesive component thereon.
The expression "generally transverse" as used to define the lay of the strips of the first and second attachment means, is intended to mean that the strips of one attachment means, in terms of how they are positioned with respect to the diaper in a folded-out, generally flat condition, lie generally perpendicularly to the strips of the other attachment means, within certain limits of about ± 20° for example.
The expression "minor proportion" refers to a proportion which is less than 50% of the reference measurement. For example, a minor proportion of 10 is less than 5. A "major proportion" refers to a proportion which is greater than 50% of the reference measurement.
The terms "width" and "length" are used in various ways in the following. When reference is made to the first attachment strip elements, the length refers to the dimension as seen in a direction transverse to the longitudinal axis of the absorbent garment; the longitudinal axis of the absorbent garment being the axis extending between the middle of each of the two waist portions. Conversely, the width of the first attachment strip elements refers to their dimension as seen in a direction generally parallel with the longitudinal axis of the garment. In respect of the second attachment means, "length" refers to their dimension in the general direction of the longitudinal axis of the garment whereas their width is their dimension transverse to this.
Additionally, and in particular with regard to the use of cohesive adhesive attachment strip elements, a single strip element may be constituted by very fine strips of attachment material (e.g. cohesive adhesive) applied as a set of very closely adjacent intermittent or continuous rows. In such a case, the width of the attachment strip element is to be understood as the distance between the outer margins of said closely adjacent set of rows comprised in one strip element. For example, a single attachment strip element may be comprised of three rows of cohesive adhesive applied with a width of e.g. 4 mm and separated by a distance of e.g. 2 mm. In such a case, the width of the attachment strip element would be 4 + 2 + 4 + 2 + 4 = 16 mm.
Where a similar attachment strip element with the same width (i.e. 16 mm) is then used in order to constitute the further strip element of the attachment means, the spacing between the two attachment strip elements must be of the order of at least 8 mm and preferably 20 mm or more.
Where different widths of attachment strip elements are present in the two (or more) attachment strip elements, such as 16 mm and 20 mm for example, the spacing between the strip elements must be at least 8 mm, and preferably 20 mm or more.
BRIEF DESCRIPTION OF THE DRAWING
The invention will now be explained in more detail with reference to the accompanying drawing in which:
Fig.l shows a plan view of one embodiment of an absorbent garment according to the present invention in a folded-out condition.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS The disposable absorbent garment 1 depicted in Fig. 1 shows the inner side of the garment (i.e. the side of the garment contacting the user's skin during use). The inner layer or liner 2 (which may form all, or part, of the inner layer) will preferably be made of a PP material such as a consoli- dated spunbonded polypropylene sheet which is treated so as to be permeable to fluids. The backsheet 3 will preferably be constituted by a fluid-impermeable film material such as PE or PET in a conventional manner. Other suitable materials may of course be used for the various layers. Additio- nally, other sheets or layers may be added inbetween the sheets 2 and 3. Between the two sheets there is an absor- bent body 4, typically of cellulose pulp fibres or the like, optionally containing one or more SAP components for example.
The garment 1 has two waist portions, preferably elasticated, at either end thereof. A first waist portion 5 is positioned at one end of the article and a second waist portion 6 is positioned at the other end of the article. As can be seen, in this embodiment, the waist portion 5 is the part of the garment extending from one end 7 (i.e. the upper edge) of the garment to a location approximately level with the locations where the leg openings 9 and 10 meet the longitudinal side edges close to the top of the garment, said waist portion extending across the width of the article. Similarly the second waist portion 6 extends from the end 8 (i.e. the lower edge) of the garment to a location approximately level with the locations where the leg openings 9 and 10 meet the longitudinal side edges close to the bottom of the garment, said waist portion also extending across the width of the article. Depending on the type of absorbent garment which is used, the exact extent of the first and second waist portions will vary. Moreover, the waist portions are preferably similar or equal in length, but this is not a requirement. Asymmetric garments may be used for example.
Three first attachment strip elements 11, 12 and 13, shown in the drawing as continuous attachment strips having a constant width w and being disposed across the first waist portion 5, constitute the first attachment means. In a preferred embodiment only two attachment strip elements are required, although more strip elements may be used. However, at least two strip elements must be used according to the invention. For example only strip elements 11 and 12, or strip elements 11 and 13 might be required. The strip elements are shown as hidden detail since they are disposed on the outer side of backsheet 3, not visible in this Figure. Each of the strip elements 11, 12 and 13 preferably comprises a strip of loop material. Each of said strip elements is furthermore elongate such that the width of each strip element is a minor proportion of its length, and preferably a very minor proportion of its length, such as for example about 5%.
The strip elements 11, 12, 13 extend between the side edges of the first waist portion 5. However, it is not required that they extend with each end positioned exactly coterminous with a respective side edge of the waist portion. A clearance may be provided such that the end of the respec- tive strip element is positioned inwardly of the waist portion side edge. The clearance may be sufficient merely to allow for manufacturing tolerances if longitudinal production techniques are used, or the clearance may be larger.
The distance, Xj or x2 for example, between the facing edges of the strip elements is a distance which is at least as large as a major proportion of the width of any of the strips 11, 12, or 13 over at least part of their length and preferably the whole of their length. In most cases this distance will be considerably larger, such as three or four times larger. The distance between the strip elements will preferably be at least about 14 mm and normally more. However, the minimum distance between the centrelines of adjacent single strip elements should be greater than 20 mm. If a finger is to be fully inserted under the outer strip element, said distance may be chosen to be larger (e.g. 35 to 40 mm or more). The purpose of this dimensioning will be explained in more detail below. In a further embodiment a central portion 19, and/or other portions, of one or more of the strip elements 11, 12, or 13 may be omitted so as to form a discontinuous strip element.
Disposed on the second waist portion 6, proximate the side edges thereof and on the inner side of said garment, are at least two second attachment strip elements 14 and 15 extending generally parallel to the direction of the garment's longitudinal axis and generally transverse to said first attachment strip elements. In some cases the strip elements 14 and 15 may be somewhat slanted with respect to said longitudinal direction and can present a somewhat diverging or converging relationship. Further strip elements 14 and 15 may also be used, although in a preferred embodiment using hook and loop attachment means only two are needed.
Said strip elements 14 and 15 are positioned proximate the outer edges of said second waist portion, but preferably a short distance (e.g. 5 mm to about 20 mm) inside said outer edges. The second attachment strip elements 14 and 15 comprise hook material strips (presuming that the first attachment strips comprise loop material) which will cooperate with the first attachment strip elements for releasable attachment thereto.
The strip elements 14 and 15 extend from a location proximate the end 8 of the garment preferably up to a location close to the inner end of the waist portion. In the Figure, such strip elements which correspond to said definition are illustrated by the extensions 16 and 17 of strip elements 14 and 15 respectively. The use of dotted lines merely indicates a possible extension of said strip elements 14 and 15 and is not intended to show hidden detail. Each of strip elements 14 and 15 is preferably the same length y,. The length γt will normally vary depending on the size of the absorbent garment, but will typically be in the range of between about 15 mm up to about 100 mm. The length Yi of the strip elements 14 and 15 is however dependent on the spacing between said first attachment strip elements 11, 12, and 13. Thus, taking the preferred embodiment with only two uniform width strip elements 11 and 12 separated by a distance x, , which in this case is substantially constant, the length y, of the strip elements 14 and 15, in accordance with the invention, must be greater than x,. This relationship must apply over at least part of the length of the strip elements 11-13. In most cases, the relationship should apply over the whole length of the first attachment strip elements. However, said relationship might apply only at the outer portions of the strip elements 11-13, where it would normally be expected that the second attachment strips would be fastened. A divergence from the claimed relationship at other parts along the length of the first strip elements may for example be to accommodate angling of the second attachment strips if required. Angling of the attachment strips 14 and 15 upon attachment to strip elements 11-13 will be described in more detail below.
Preferably, the length of each of strip elements 14 and 15 will be approximately equal to the distance between said two first attachment strip elements in addition to the width w of each of said first attachment strips. Thus, the strips 14 and 15 may have a length y, = x, + 2w.
In an even more preferred embodiment the length of strips 14 and 15 will have a length γ1 greater than x, + 2w over at least part of their length and preferably the whole of their length. Such an embodiment allows slanting or angling of the strips elements 14 and 15 when attaching these to the cooperating strip elements. Such angling will be explained in more detail below with respect to comfort requirements .
However, the length y, in relation to the distance x, (or x2) can readily be determined by a skilled man in accordance with the materials used and their exact dimensions. For example it may be only necessary to arrange length yj to be equal to x, + w, or less in some cases.
Where two strip elements 11 and 13 are used, distance y2 (length of strips 16 and 17) will be at least as large as distance x2 if only two strips 11 and 13 are affixed on said first waist portion.
If three or more strip elements 11, 12, 13 are used, the distance of separation between the first attachment strip elements is to be understood as the distance between the inner edges of the two outermost strip elements 11, 13 at the part of their length in question.
Additionally, the strip elements may have rounded outer ends (not shown). In such a case, the distance between the strip elements 11, 12, 13, or similarly their width dimensions, is to be understood as excluding said rounded end portions.
All of the strip elements 11 - 17 should be kept to a minimum width so as to achieve maximum material savings whilst maintaining the advantages of waist stability which will be explained below. Thus preferably none of the strip elements should have a width greater than about 30 mm. More preferably the width will be even less, of the order of 15 mm or less for example. Additionally, the strip elements may have different widths such as, by way of example only, 20 mm for one strip and 24 mm for another of said strip elements. Moreover it is possible to vary the width of a strip element along its length such that it will have varying widths at different locations therealong. However the relationship defined in the claims must apply at least over a part of the length of the strip elements at two locations, one on either side of the longitudinal centreline of the garment. In the preferred embodiment however, each of the strip elements will have a substantially constant width along its whole length.
Waist stability refers to the maintenance of the waist portions, particularly the front waist portion, in a generally non-sagging relationship in the fitted position of the garment. In order to provide good waist stability attachment of the front and rear waist portions of the diaper should be provided at spaced locations which are proximate the upper and lower parts of the waist portions. Without waist stability, the garment feels uncomfortable, especially in larger users, and over-tightening of some prior art diapers is often the result, which is both uncomfortable and does not fully solve the stability problem. Waist stability is however achieved in this invention by the two strip elements 14 and 15 being attached, at respective ends of each strip element, to both the upper and lower first attachment strips 11 and 12 for example. Said attachment occurs after fitting the garment between the user's legs and folding the edges of the waist portion 6 around the backsheet at the front waist portion 5. Since the strip elements 14 and 15 have been dimensioned to span this relatively large distance x,, each of the strip elements provides support at at least two separate, relatively large-spaced locations which provides the required stability. Significant costs are thus saved compared to one wide first attachment strip or two, wide closely-adjacent strips of the prior art, all without losing any stability in the waist portions and generally providing an improvement therein. As will also be apparent, the garment of this invention does not sacrifice the advantages of releasable attachment or adjustability for varying user sizes.
Additionally, when the spacing is in the defined relationship, and particularly with a large separation distance, it is clear that said separation distance allows an assistant, or the wearer, to be able to separate the cooperating attachment strip elements by inserting a finger or a part of a finger under the strip element lying on top (in the fitted state of the garment) of the cooperating strip element (i.e. at a location between the facing inner margins of the first attachment strip elements 11-13 and between either one of the second attachment strip elements and the surface layer with which said first attachment strips are integrated) .
By means of the invention, variations in fitting the cooperating first and second attachment means together may be achieved by the fitter of the garment (normally the wearer, if the wearer is a capable adult or older child, but sometimes a nurse or other helper such as a child wearer's parent) slanting the attachment strip elements 14 and 15 so that they lie at an angle other than 90° to the first attachment strips (e.g. at 70°). In this way, for some wearers, better fitting of the garment is effected since their body dimensions or comfort requirements in the upper and lower parts of the waist portions may be diffe- rent. Due to the slanted fitting at upper and lower sections of the waist portion the upper part can be made looser than the lower part, or vice-versa.
The absorbent core is shown as extending into the front waist portion (the first waist portion 5 in the embodiment shown). Since the first attachment strip elements 11, 12, 13 are themselves normally attached to the back sheet, rather than being part of it, attachment to this area when an absorbent core has already been inserted in the production process results in it being more difficult to attach a very wide strip element. By the use of thinner strip elements as in the present invention, which are spaced as defined, the strip elements are more easily able to be attached securely to the back sheet since they adapt more easily to the shape and stiffness variations in the garment which may be present at that location.
Whilst the preferred embodiment of this invention relates to hook and loop materials being used for the attachment means, it is also envisaged that strips of cooperating cohesive adhesives may be used instead. In this way, the advantages of belt stability are maintained whilst the releasable attachment and adjustability advantages also remain, since the cohesive adhesive which will form strip elements 14 and 15 will not attach readily to the back sheet. Such cohesive adhesives are generally applied in the form of a film to the required surfaces and one disadvantage thereof is that they reduce the "breathability" of the product in the areas where they are applied. Consequently, when this invention is used by employing cohesive ad- hesives, the breathability of the product is only marginally affected due to the minimum surface area coverage along the two relatively thin first and second attachment strip elements required for maintaining stability.
The invention has been described above with reference to certain preferred embodiments possible within the claims. However such embodiments are not to be seen as limiting for the invention and the claims are to be understood in their full scope. For example, whilst shown as straight and parallel, the first attachment strips may be formed as strip elements which are curved and/or convergent and/or divergent from one side edge of the garment to the other, with or without a small gap 19 therebetween. Further modifications and variations within the scope of the invention will become apparent to the reader.

Claims

1. Absorbent garment (1) comprising first and second waist portions (5, 6) at opposed ends thereof, said waist portions each having side edges, wherein said waist portions (5, 6) are joined by an intermediate region suitable for the inclusion of an absorbent body (4) for absorbing bodily exudate, and wherein first attachment means is provided on said first waist portion, and second attachment means is provided on said second waist portion, said first and second attachment means cooperating with each other for releasable attachment, wherein said first attachment means comprises at least two elongate attachment strip elements (11; 12; 13) extending between the side edges of said first waist portion (5) and said second attachment means comprises an attachment strip element (14- 17) at either side edge of said second waist portion (6) extending generally transverse to said first attachment means, characterized in that said first attachment strip elements (11; 12; 13) are separated, over at least a part of their length, by a distance (x,, x2) which is at least as large as a major proportion of the width (w) of any one of the first attachment strip elements (11, 12, 13) as measured at said part of their length, and in that each of said second attachment strip elements has a length (y,, y2) greater than said distance (x,, x2) .
2. Absorbent garment according to claim 1, characterized in that the width (w) of each of the first attachment strip elements (11; 12; 13) is a minor proportion of the length of the second attachment strip elements (14-17).
3. Absorbent garment according to claim 1 or 2, characterized in that said first and said second attachment means (11-17) comprise cooperating hook and loop fastening elements.
4. Absorbent garment according to any one of the preceding claims, characterized in that said first and said second attachment means (11-17) comprise cooperating cohesive adhesive strip elements.
5. Absorbent garment according to any one of the preceding claims, characterized in that said first attachment means (11; 12; 13) are provided on one surface (2) of said garment and said second attachment (14-17) means are provided on the opposite surface (3), such that said attachment means are provided on the inside and outside surfaces of said garment respectively.
6. Absorbent garment according to any one of the preceding claims, characterized in that the width (w) of each of said first attachment strip elements is equal to, or less than, 30 mm.
7. Absorbent garment according to any one of the preceding claims, characterized in that the distance (x, + w) between the longitudinal centrelines of the elongate attachment strip elements of said first attachment means is greater than 20 mm.
8. Absorbent garment according to any one of the preceding claims, characterized in that the absorbent body (4) is integral with the garment, and in that said absorbent body is elongate and extends into said first waist portion (5) at least to a location beyond the innermost (12; 13) of said first attachment strip elements, as seen with respect to the middle of said garment.
9. Absorbent garment according to any one of the preceding claims, characterized in that said intermediate region of the absorbent garment comprises two leg opening portions (9, 10), and in that the innermost one of said first attachment strip element (13) extends between locations closely adjacent where the leg opening portions (9, 10) meet the respective side edges of said first waist portion (5).
10.Absorbent garment according to any one of the preceding claims, characterized in that said intermediate region of the absorbent garment comprises two leg opening portions (9, 10), and in that said second attachment strip elements (16, 17) each extend from a location proximate where a respective leg opening portion (9, 10) meets its respective side edge of said second waist portion (6), outwardly to a position proximate the outer end edge ( 8 ) of said waist portion.
11.Absorbent garment according to any one of the preceding claims, characterized in that said first attachment strip elements (11; 12; 13) extend substantially across the whole distance between the side edges of the first waist portion.
PCT/SE1997/001779 1996-10-31 1997-10-24 Fastening means for an absorbent garment WO1998018422A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SK508-99A SK50899A3 (en) 1996-10-31 1997-10-24 Fastening means for an absorbent garment
US09/194,968 US6843786B1 (en) 1996-10-31 1997-10-24 Fastening means for an absorbent garment
JP52036198A JP2001503293A (en) 1996-10-31 1997-10-24 Fixing means for absorbent articles
DE69713126T DE69713126T2 (en) 1996-10-31 1997-10-24 FASTENER FOR AN ABSORBENT CLOTHING
PL331941A PL192530B1 (en) 1996-10-31 1997-10-24 Fastening means for absorptive pieces of clothing
EP97911546A EP0935453B1 (en) 1996-10-31 1997-10-24 Fastening means for an absorbent garment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9603973-0 1996-10-31
SE9603973A SE513387C2 (en) 1996-10-31 1996-10-31 Mounting device for an absorbent garment

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WO1998018422A1 true WO1998018422A1 (en) 1998-05-07

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EP (1) EP0935453B1 (en)
JP (1) JP2001503293A (en)
KR (1) KR20000029451A (en)
CO (1) CO4890834A1 (en)
CZ (1) CZ50499A3 (en)
DE (1) DE69713126T2 (en)
ES (1) ES2177954T3 (en)
PL (1) PL192530B1 (en)
RU (1) RU2192233C2 (en)
SE (1) SE513387C2 (en)
SK (1) SK50899A3 (en)
TW (1) TW408600U (en)
WO (1) WO1998018422A1 (en)
ZA (1) ZA979290B (en)

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WO2002003901A1 (en) * 2000-07-11 2002-01-17 Sca Hygiene Products Ab Absorbent article with fastening areas of different attachabilities
US6447497B1 (en) 1999-11-22 2002-09-10 Kimberly-Clark Worldwide, Inc. Absorbent article with child resistant refastenable seams
US6613032B2 (en) 2000-07-11 2003-09-02 Sca Hygiene Products Ab Products, which products are absorbent or can act as supports for absorbent articles
US6645190B1 (en) 1999-11-22 2003-11-11 Kimberly-Clark Worldwide, Inc. Absorbent article with non-irritating refastenable seams
US6761711B1 (en) 1998-12-18 2004-07-13 Kimberly-Clark Worldwide, Inc. Absorbent articles with refastenable side seams
US6764475B1 (en) 1998-12-18 2004-07-20 Kimberly-Clark Worldwide, Inc. Absorbent articles having differential strength refastenable seam
US7695464B2 (en) 1998-12-18 2010-04-13 Kimberly-Clark Worldwide, Inc. Absorbent articles with refastenable side seams
US8123733B2 (en) 2009-01-29 2012-02-28 First Quality Baby Products, Llc Absorbent article with intermittent side seams
US8343127B1 (en) 1999-11-22 2013-01-01 Kimberly-Clark Worldwide, Inc. Absorbent articles with garment-like refastenable seams

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US8563798B2 (en) * 2010-03-04 2013-10-22 Kalliope Dontas Enclosing bandage for providing comfortable wound care and limiting fluid leakage
JP6726416B2 (en) * 2015-09-28 2020-07-22 大王製紙株式会社 Disposable diapers

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WO2000035398A1 (en) * 1998-12-18 2000-06-22 Kimberly-Clark Worldwide, Inc. Absorbent article with non-irritating refastenable seams
US6761711B1 (en) 1998-12-18 2004-07-13 Kimberly-Clark Worldwide, Inc. Absorbent articles with refastenable side seams
US6764475B1 (en) 1998-12-18 2004-07-20 Kimberly-Clark Worldwide, Inc. Absorbent articles having differential strength refastenable seam
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US7695464B2 (en) 1998-12-18 2010-04-13 Kimberly-Clark Worldwide, Inc. Absorbent articles with refastenable side seams
US8747379B2 (en) 1998-12-18 2014-06-10 Kimberly-Clark Worldwide, Inc. Absorbent articles with refastenable side seams
US6447497B1 (en) 1999-11-22 2002-09-10 Kimberly-Clark Worldwide, Inc. Absorbent article with child resistant refastenable seams
US6645190B1 (en) 1999-11-22 2003-11-11 Kimberly-Clark Worldwide, Inc. Absorbent article with non-irritating refastenable seams
US8343127B1 (en) 1999-11-22 2013-01-01 Kimberly-Clark Worldwide, Inc. Absorbent articles with garment-like refastenable seams
WO2002003901A1 (en) * 2000-07-11 2002-01-17 Sca Hygiene Products Ab Absorbent article with fastening areas of different attachabilities
US6613032B2 (en) 2000-07-11 2003-09-02 Sca Hygiene Products Ab Products, which products are absorbent or can act as supports for absorbent articles
US8123733B2 (en) 2009-01-29 2012-02-28 First Quality Baby Products, Llc Absorbent article with intermittent side seams

Also Published As

Publication number Publication date
ES2177954T3 (en) 2002-12-16
ZA979290B (en) 1998-05-11
JP2001503293A (en) 2001-03-13
DE69713126T2 (en) 2002-11-07
US6843786B1 (en) 2005-01-18
EP0935453A1 (en) 1999-08-18
DE69713126D1 (en) 2002-07-11
SE9603973L (en) 1998-05-01
RU2192233C2 (en) 2002-11-10
SE513387C2 (en) 2000-09-04
SE9603973D0 (en) 1996-10-31
KR20000029451A (en) 2000-05-25
EP0935453B1 (en) 2002-06-05
CZ50499A3 (en) 1999-05-12
SK50899A3 (en) 2000-11-07
CO4890834A1 (en) 2000-02-28
PL192530B1 (en) 2006-11-30
TW408600U (en) 2000-10-11
PL331941A1 (en) 1999-08-16

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