CA2307693C - Disposable body wastes absorbent article - Google Patents
Disposable body wastes absorbent article Download PDFInfo
- Publication number
- CA2307693C CA2307693C CA002307693A CA2307693A CA2307693C CA 2307693 C CA2307693 C CA 2307693C CA 002307693 A CA002307693 A CA 002307693A CA 2307693 A CA2307693 A CA 2307693A CA 2307693 C CA2307693 C CA 2307693C
- Authority
- CA
- Canada
- Prior art keywords
- panel
- barrier
- flap
- longitudinally
- transversely
- 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.)
- Expired - Fee Related
Links
- 239000002250 absorbent Substances 0.000 title claims abstract description 20
- 230000002745 absorbent Effects 0.000 title claims abstract description 15
- 230000004888 barrier function Effects 0.000 claims abstract description 76
- 239000004745 nonwoven fabric Substances 0.000 claims description 11
- 230000029142 excretion Effects 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 4
- 230000002175 menstrual effect Effects 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 210000002700 urine Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 206010021639 Incontinence Diseases 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 210000000436 anus Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 230000005906 menstruation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- A61F13/45—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 shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
- A61F13/4942—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier the barrier not being integral with the top- or back-sheet
-
- 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
- A61F13/45—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 shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/495—Absorbent articles specially adapted to be worn around the waist, e.g. diapers with faecal cavity
-
- 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
- A61F13/505—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with separable parts, e.g. combination of disposable and reusable parts
Abstract
A disposable body wastes absorbent article including a pair of barrier side flaps and a pair of barrier end flaps, each of these flaps having a lower portion folded in a sidewise U-shape such that an open end of the U-shape is opposed to an upper portion of the flap.
Description
DISPOSABLE BODY WASTES ABSORBENT ARTICLE
This invention relates to a disposable body wastes absorbent article such as a urine pad, an incontinence pad, a menstruation napkin and the like.
Japanese Patent Application Disclosure No. 1994-178795 describes an absorbent article basically comprising a diaper cover and a rectangular insertion pad. The diaper cover has a longitudinally front and rear waist regions and a crotch region extending between these two waist regions and is provided along its transversely opposite side edges with a pair of holding flaps biased to rise on the cover. The insertion pad is made of an absorbent material and laid between the holding flaps on the upper side of the cover. The pad comprises an absorbent core and a water-pervious sheet covering the core.
Japanese Patent Application Disclosure No. 1996-289902 describes a disposable diaper comprising a liquid-pervious topsheet consisting of a central sheet and side sheets provided separately of the central sheet, a liquid-impervious backsheet and a liquid-absorbent core disposed between the topsheet and the backsheet wherein the pair of side sheets define a pair of barrier flaps longitudinally extending in the outer vicinity of transversely opposite side edges of the core and being biased to rise on the backsheet. Each of the side sheets comprises a proximal portion extending longitudinally of the diaper, an inner side portion extending transversely inward from the proximal portion and provided with an elastic member bonded with under tension, and an outer side portion extending transversely outward from the proximal portion. Theside sheets overlapping the portions of the backsheet extending transversely outward from transversely opposite side edges of the central sheet have their inner surfaces along the respective proximal portions and outer side portions fixed to the upper surface of the backsheet.
Longitudinally front and rear ends of the respective side sheets are collapsed inwardly of the diaper and have their inner surfaces fixed to the upper surface of the topsheet.
From a combination of the absorbent article described in Japanese Patent Application Disclosure Gazette No. 1994-178795 with the diaper described in Japanese Patent Application Disclosure No. 1996-289902, those skilled in the art will be suggested of an arrangement comprising a pad consisting of a liquid-pervious topsheet, a liquid-impervious backsheet and a liquid-absorbent core disposed between these two sheets, and a pair of side sheets. The side sheets overlapping the portions of the backsheet extending transversely outward from transversely opposite side edges of the central sheet have their inner surfaces along the respective proximal portions and outer side portions fixed to the upper surface of the backsheet and wherein longitudinally front and rear ends of the respective side sheets are collapsed inwardly of the diaper and have their inner surfaces fixed to the upper surface of the topsheet.
However, the inner side portions of the respective side sheets are apt to move toward the upper surface of the topsheet and, with a disadvantageous consequence, the side sheets may be erected insufficiently to prevent excretion and body wastes such as menstrual discharge from leaking beyond these side sheets. Furthermore, it is impossible for such arrangement to prevent body wastes from leaking beyond the longitudinally opposite ends of the pad since these regions are provided with none of means to avoid it.
It is an object of this invention to provide a disposable absorbent article improved so that the side flaps can be smoothly risen and leakage of body wastes otherwise occurring beyond peripheries of the article.
According to this invention, there is provided a disposable body wastes absorbent article having transversely opposite side edges and longitudinally opposite ends, comprising a laminated panel comprising a liquid-pervious topsheet, a liquid-impervious backsheet and a liquid-absorbent core disposed therebetween; wherein:
the panel is provided along the transversely opposite side edges with a pair of barrier side flaps extending longitudinally of the panel and being biased to rise on an upper surface of the panel and along the longitudinally opposite ends with a pair of barrier end flaps extending transversely of the panel;
each of the barrier side flaps comprises a first side section extending on an upper side of the panel longitudinally thereof, a second side section extending on a lower side of the panel longitudinally thereof and longitudinally opposite ends overlying the longitudinally opposite .ends of the panel on the upper side thereof, the second side section being folded in a sidewise U-shape in a cross section thereof along a folding line extending longitudinally of the panel with an open end of the sidewise U-shape opposed to the first side section and with an inner surface of the second side section put flat together so as to define a free side subsection and a fixed side subsection placed on the free side subsection and the fixed side subsection having an upper surface thereof fixed to the lower surface of the panel along the transversely opposite side edges of the panel;
This invention relates to a disposable body wastes absorbent article such as a urine pad, an incontinence pad, a menstruation napkin and the like.
Japanese Patent Application Disclosure No. 1994-178795 describes an absorbent article basically comprising a diaper cover and a rectangular insertion pad. The diaper cover has a longitudinally front and rear waist regions and a crotch region extending between these two waist regions and is provided along its transversely opposite side edges with a pair of holding flaps biased to rise on the cover. The insertion pad is made of an absorbent material and laid between the holding flaps on the upper side of the cover. The pad comprises an absorbent core and a water-pervious sheet covering the core.
Japanese Patent Application Disclosure No. 1996-289902 describes a disposable diaper comprising a liquid-pervious topsheet consisting of a central sheet and side sheets provided separately of the central sheet, a liquid-impervious backsheet and a liquid-absorbent core disposed between the topsheet and the backsheet wherein the pair of side sheets define a pair of barrier flaps longitudinally extending in the outer vicinity of transversely opposite side edges of the core and being biased to rise on the backsheet. Each of the side sheets comprises a proximal portion extending longitudinally of the diaper, an inner side portion extending transversely inward from the proximal portion and provided with an elastic member bonded with under tension, and an outer side portion extending transversely outward from the proximal portion. Theside sheets overlapping the portions of the backsheet extending transversely outward from transversely opposite side edges of the central sheet have their inner surfaces along the respective proximal portions and outer side portions fixed to the upper surface of the backsheet.
Longitudinally front and rear ends of the respective side sheets are collapsed inwardly of the diaper and have their inner surfaces fixed to the upper surface of the topsheet.
From a combination of the absorbent article described in Japanese Patent Application Disclosure Gazette No. 1994-178795 with the diaper described in Japanese Patent Application Disclosure No. 1996-289902, those skilled in the art will be suggested of an arrangement comprising a pad consisting of a liquid-pervious topsheet, a liquid-impervious backsheet and a liquid-absorbent core disposed between these two sheets, and a pair of side sheets. The side sheets overlapping the portions of the backsheet extending transversely outward from transversely opposite side edges of the central sheet have their inner surfaces along the respective proximal portions and outer side portions fixed to the upper surface of the backsheet and wherein longitudinally front and rear ends of the respective side sheets are collapsed inwardly of the diaper and have their inner surfaces fixed to the upper surface of the topsheet.
However, the inner side portions of the respective side sheets are apt to move toward the upper surface of the topsheet and, with a disadvantageous consequence, the side sheets may be erected insufficiently to prevent excretion and body wastes such as menstrual discharge from leaking beyond these side sheets. Furthermore, it is impossible for such arrangement to prevent body wastes from leaking beyond the longitudinally opposite ends of the pad since these regions are provided with none of means to avoid it.
It is an object of this invention to provide a disposable absorbent article improved so that the side flaps can be smoothly risen and leakage of body wastes otherwise occurring beyond peripheries of the article.
According to this invention, there is provided a disposable body wastes absorbent article having transversely opposite side edges and longitudinally opposite ends, comprising a laminated panel comprising a liquid-pervious topsheet, a liquid-impervious backsheet and a liquid-absorbent core disposed therebetween; wherein:
the panel is provided along the transversely opposite side edges with a pair of barrier side flaps extending longitudinally of the panel and being biased to rise on an upper surface of the panel and along the longitudinally opposite ends with a pair of barrier end flaps extending transversely of the panel;
each of the barrier side flaps comprises a first side section extending on an upper side of the panel longitudinally thereof, a second side section extending on a lower side of the panel longitudinally thereof and longitudinally opposite ends overlying the longitudinally opposite .ends of the panel on the upper side thereof, the second side section being folded in a sidewise U-shape in a cross section thereof along a folding line extending longitudinally of the panel with an open end of the sidewise U-shape opposed to the first side section and with an inner surface of the second side section put flat together so as to define a free side subsection and a fixed side subsection placed on the free side subsection and the fixed side subsection having an upper surface thereof fixed to the lower surface of the panel along the transversely opposite side edges of the panel;
each of said barrier end flaps comprises a first end section extending on the upper surface of the panel transversely thereof, a second end section extending on the lower surface of the panel transversely thereof and transversely opposite ends overlying the longitudinally opposite ends of the panel on an upper side thereof, the second end section being folded in a sidewise U-shape in a cross section thereof along a folding line extending transversely of the panel with an open end of the U-shape opposed to the first end section and with an inner surface of the second end section put flat together so as to define a free end subsection and a fixed end subsection placed on the free end subsection and the fixed end subsection having an upper surface thereof fixed to the lower surface of the panel along the longitudinally opposite ends of the panel; and the longitudinally opposite ends of the barrier side flap are collapsed inward transversely of the panel while the transversely opposite ends of the barrier end flap are collapsed inward longitudinally of the panel to place the longitudinally opposite ends of the barrier side flap and the transversely opposite ends of the barrier end flap upon each other and the longitudinally opposite ends of the barrier side flap are fixed to the transversely opposite ends of the barrier end flap.
Fig. 1 is a partially cutaway perspective view showing an article according to this invention;
Fig. 2 is a fragmentary sectional view taken along line A - A in Fig. 1;
Fig. 3 is a fragmentary sectional view taken along line B - B in Fig. 1;
Fig. 4 is a fragmentary sectional view taken along line C - C in Fig. 1; and Fig. 5 is a plan view showing the article as attached to a diaper cover.
Details of a disposable body wastes absorbent article according to this invention will be more fully understood from the description of an absorbent pad attached to an inner surface of a diaper cover as one embodiment given hereunder with reference to the accompanying drawings.
Fig. 1 is a partially cutaway perspective view showing a pad formed by a laminated panel 1. The panel 1 Comprises a liquid-pervious topsheet 2, a liquid-impervious backsheet3 and a liquid-absorbent core 4 disposed between these two sheets 2, 3 and joined to the inner surface of at least one of the two sheets 2, 3. The panel 1 has transversely opposite side edges la extending longitudinally of the panel 1 and longitudinally _ '7 _ opposite ends lb extending transversely of the panel 1.
Along the side edges la of the panel 1, a pair of barrier side flaps 5 extend longitudinally of the panel 1. The panel 1 is provided along the longitudinally opposite ends lb with a pair of barrier end flaps 7 to which film-like elastic members 8 are secured under tension. The panel 1 has an opening 13 surrounded by the barrier side flaps 5 and the barrier end flaps 7 so that the topsheet 2 may be exposed in the opening 13.
Each of the barrier side flaps 5 is formed by a nonwoven fabric and comprises an upper side section 5a longitudinally extending on the upper side of the panel 1 between the longitudinally opposite ends lb of the panel 1 and fixed neither to the topsheet 2 nor to the backsheet 3, a lower side section 5b longitudinally extending on the lower side of the panel 1, and longitudinally opposite ends 5c overlying the longitudinally opposite ends la of the panel 1.
Each of the barrier end flaps 7 is formed by a nonwoven fabric and comprises an upper end section 7a transversely extending on the upper side of the panel l between the transversely opposite side edges la of the panel 1 and fixed neither to the topsheet 2 nor the backsheet 3, a lower end section 7b transversely extending on the lower side of the panel 1, and transversely opposite ends 7c overlying transversely opposite _$_ ends of the respective longitudinally opposite ends lb of the panel 1. Flexible side flaps lal and end flaps lbl are formed by portions of the topsheet 2 and the backsheet 3 extending outward from side edges and end edges of the core 4, respectively.
Fig. 2 is a sectional view taken along line A - A in Fig.
1. The lower side section 5b of the barrier side flap 5 has a folding line 9 extending longitudinally of the panel 1 and positioning inside the lower side section 5b, along which the lower side section 5b is folded in a sidewise U-shape in a cross section thereof with its inner surface put flat together. The lower side section 5b comprises a free subsection 5b1 transversely extending from the associated side edge la of the panel 1 with a predetermined width and a fixed subsection 5b2 extending from the folding line 9 transversely outward of the panel 1 with a predetermined width. The surface of the fixed subsection 5b2 opposed to the side flap lal is fixed to the lower surface of the side flap lal by means of adhesive agent 10. The upper side section 5a is folded back inwardly of the panel 1 so as to wrap the elastic member 6 which is secured to the side section 5a under tension.
Under resilience of the barrier side flap 5, the free subsection 5b1 are biased along the folding line 9 so as to restore their positions at which they occupied before the lower side section 5b has been folded along the folding line 9. Under such a biasing effect, the upper side section 5a moves away from the upper surface of the panel 1 and this movement facilitates the barrier side flap 5 to rise on the upper surface of the panel 1. with the panel 1 being curved longitudinally with its inner surface inside when the panel 1 is. worn, the elastic member 6 contracts to rise the barrier side flap 5 and consequently the upper side section 5a of the barrier side flap 5 cooperates with the topsheet 2 to form a pocket P1 opening inwardly of the panel 1.
The free subsection 5b1 is fixed neither to the side flap lal nor to the fixed subsection 5b2 and therefore a height by which the barrier side flap 5 can rise when a side edge region of the panel 1, particularly the side flap 1a1 is bent, with the panel 1 is worn, is substantially equal to a length of the upper side section 5a plus a length of the free subsection 5b1 as measured transversely of the panel 1. Accordingly, even if the panel 1 is spaced from a wearer' s skin by the length of the upper side section 5a when the panel 1 is worn, the length of the free subsection 5b1 can compensate this and thereby maintain a good fit of the barrier side flap 5 around the wearer's leg.
Figs . 3 and 4 are fragmentary sectional views taken along lines H - B and C - C in Fig. 1, respectively. The lower end section 7b of the barrier end flap 7 has a folding line 11 extending transversely of the panel 1 and positioning inside the lower end section 7b, along which the lower end section 7b is folded in a sidewise U-shape in a cross section thereof with its inner surface put flat together. The lower end section 7b comprises a freesubsection7bl longitudinally extending inward from the end lb of the panel 1 and a fixed subsection 7b2 longitudinally extending outward from the folding line 11. The surface of the fixed subsection 7b2 opposed to the end flap lbl is fixed to the lower surface of the end flap lbl by means of adhesive agent 12. The upper end section 7a is folded back inwardly of the panel 1 so as to wrap the elastic member 8 which is secured to the upper end section 7a under tension.
The barrier side flap 5 and the barrier end flap 7 are arranged in a positional relationship to each other as illustrated. Specifically, the longitudinally opposite ends 5c of the barrier side flap 5 are collapsed inward transversely of the panel 1 and the transversely opposite ends 7c of the barrier end flap 7 are collapsed inward longitudinally of the panel 1 to place the longitudinally opposite ends 5c of the barrier side flap 5 and the transversely opposite ends 7c of the barrier end flap 7 upon each other. In such a positional relationship between the barrier side flap 5 and the barrier end flap 7, lower surfaces of the transversely opposite ends 5c are fixed to upper surfaces of the transversely opposite ends 7c, respectively. It is also possible to fix the upper surfaces of the longitudinally opposite ends 5c to the lower surfaces of the transversely opposite ends 7c.
Under resilience of the barrier end flap 7, the free subsection 7b1 are biased along the folding line 11 so as to restore their positions before the lower end section 7b has been folded along the folding line 11. Under such a biasing effect, the upper end section 7a moves away from the upper surface of the panel 1 and this movement facilitates the barrier end flap 7 to rise on the upper surface of the panel 1. Contraction of the elastic member 8 causes the barrier end flap 7 to rise on the panel 1 and consequently the upper end section 7a of the barrier end flap 7 cooperates with the topsheet 2 to form a pocket P2 opening inwardly of the panel 1.
The free subsection 7b1 is fixed neither to the end flap lbl nor to the fixed subsection 7b2 and therefore a height by which the barrier end flap 7 can rise when a end edge region of the panel 1, particularly the end flap lbl is bent, with the panel 1 worn, is substantially equal to a length of the upper end section 7a plus a length of the free subsection 7b1 as measured transversely of the panel 1. Accordingly, even if the panel 1 is spaced from a wearer' s skin by the length of the upper end section 7a when the panel 1 is worn, the length of the free subsection 7b1 can compensate this and thereby maintain a good fit of the barrier end flap 7 around the wearer's skin.
For the panel 1, the upper side sections 5a of the barrier side flap 5 cooperate with the upper end sections 7a of the barrier end flap 7 to function as barriers while the pockets P1, P2 function to hold excretion exuding from the core 4. In this manner, the panel 1 can prevent excretion from leaking beyond the transversely opposite side edges la as well as beyond longitudinally opposite ends lb.
Fig. 5 is a plan view showing the panel 1 of Fig. 1 as attached to a diaper cover 30 as the cover 30 has been partially cutaway. The diaper cover 30 is an hourglass-shaped laminate consisting of an inner sheet 31 made of plastic film and an outer sheet made of nonwoven fabric. The cover 30 has longitudinally front and rear waist regions 35, 37 and a crotch region 36 extending between these front and rear waist regions 35, 37.
Transversely opposite side edges of the crotch region 36 are curved inwardly of the cover 30.
The transversely opposite side edges of the crotch region 36 are provided with elastic members 33 longitudinally extending and secured under tension to the inner surface of at least one of the inner and outer sheets 31, 32. The panel 1 is detachably attached to the inner surface of the cover 30 by means of adhesive agent ( not shown ) so that the panel 1 may extend from the rear waist region 37 into the crotch region 36. The position at which the panel 1 is attached to the diaper cover 30 may be selectively shifted to use the assembly for the purpose of disposal of urine and menstrual discharge or for disposal of faces .
The cover 30 is provided on transversely opposite side edges of the rear waist region 37 with a pair of tape fasteners 34 . As in the case of the conventional disposable diaper, these tape fasteners 34 enable the assembly of the panel 1 and the cover 30 to be put on a wearer' s body so that the wearer' s anus may be positioned substantially at a center of the panel opening 13.
With the panel 1 being used in this manner, excretion is discharged into the opening 13 and it is not concerned that the cover 30 might be soiled with excretion. Disposal of excretion can be easily done merely by holding the panel 1 substantially smaller than the cover 30.
The barrier side flap 5 and the barrier end flap 7 provided along the transversely opposite side edges la and the longitudinally opposite ends lb of the panel 1, respectively, function as the barriers against leakage of body wastes.
Accordingly, it is unnecessary to provide the transversely opposite side edges with a pair of barrier flaps elastically biased to rise on the upper surface of the cover 30.
The topsheet 2 may be made of a liquid-pervious sheet such as a nonwoven fabric or porous plastic film, preferably a liquid-pervious but hydrophobic sheet. The backsheet 3 may be made of a liquid-impervious plastic film, a laminate of plastic film and hydrophobic nonwoven fabric, or preferably a breathable liquid-impervious sheet.
The barrier side flap 5 and the barrier end flaps 7 may be made of a breathable liquid-impervious nonwoven fabric or breathable, liquid-impervious and elastic nonwoven fabric. If the elastic nonwoven fabric is used, the barrier side flap 5 may be joined with a longitudinal tension to the panel 1 while the barrier end flap 7 may be joined with a transverse tension to the panel 1 to eliminate use of the elastic members 6, 8 associated with the upper side sections 5a of the barrier side flaps 5 and the upper end sections 7a of the barrier end flaps 7, respectively.
The nonwoven fabric used as the stock material may be selected from a group including those of spun lace, needle punch;
melt blown, thermal bond, spun bond and chemical bond types.
A basis weight is 15 - 80 g/m2, preferably 20 - 60 g/m2. Component fiber may be selected from a group including polyolefine, polyester, polyamide fibers, and a conjugated fiber or polyethylene/polypropylene or polyester.
The core 4 is formed by compressing a mixture of fluff pulp and hydrogel particles of high water absorptivity and then covering it entirely with a water-pervious sheet such as tissue paper.
Bonding of these members 2, 3, 5, 7 and the elastic members 6, 8 may be achieved using adhesive agent such as hot melt adhesive, glue or heat-sealing technique.
This invention applicable also to the independent article for disposal of body wastes adapted to be directly attached to shorts or pants without being combined with the diaper cover 30.
The disposable body wastes absorbent article according to this invention is adapted for disposal of urine or fecal matter as well as for disposal of menstrual discharge by selectively shifting a position at which the article is attached to the cover member. The article according to this invention additionally enables the body wastes such as excretion or menstrual discharge to be reliably received through the opening into the article and then to be absorbed by the core through the topsheet.
The barrier side flap and the barrier end flaps are biased to move away from the upper surface of the panel and thereby to be smoothly risen on the upper surface of the panel. The upper sections of the respective barrier side flaps risen cooperates with the topsheet to form the pockets opening inwardly of the panel. The upper sections of the respective barrier end flaps risen cooperate with the topsheet to form the pockets opening inwardly of the panel. In this manner, the excretion discharged onto the panel is reliably prevented from leaking beyond its transversely opposite side edges regions and its longitudinally opposite ends.
Fig. 2 is a fragmentary sectional view taken along line A - A in Fig. 1;
Fig. 3 is a fragmentary sectional view taken along line B - B in Fig. 1;
Fig. 4 is a fragmentary sectional view taken along line C - C in Fig. 1; and Fig. 5 is a plan view showing the article as attached to a diaper cover.
Details of a disposable body wastes absorbent article according to this invention will be more fully understood from the description of an absorbent pad attached to an inner surface of a diaper cover as one embodiment given hereunder with reference to the accompanying drawings.
Fig. 1 is a partially cutaway perspective view showing a pad formed by a laminated panel 1. The panel 1 Comprises a liquid-pervious topsheet 2, a liquid-impervious backsheet3 and a liquid-absorbent core 4 disposed between these two sheets 2, 3 and joined to the inner surface of at least one of the two sheets 2, 3. The panel 1 has transversely opposite side edges la extending longitudinally of the panel 1 and longitudinally _ '7 _ opposite ends lb extending transversely of the panel 1.
Along the side edges la of the panel 1, a pair of barrier side flaps 5 extend longitudinally of the panel 1. The panel 1 is provided along the longitudinally opposite ends lb with a pair of barrier end flaps 7 to which film-like elastic members 8 are secured under tension. The panel 1 has an opening 13 surrounded by the barrier side flaps 5 and the barrier end flaps 7 so that the topsheet 2 may be exposed in the opening 13.
Each of the barrier side flaps 5 is formed by a nonwoven fabric and comprises an upper side section 5a longitudinally extending on the upper side of the panel 1 between the longitudinally opposite ends lb of the panel 1 and fixed neither to the topsheet 2 nor to the backsheet 3, a lower side section 5b longitudinally extending on the lower side of the panel 1, and longitudinally opposite ends 5c overlying the longitudinally opposite ends la of the panel 1.
Each of the barrier end flaps 7 is formed by a nonwoven fabric and comprises an upper end section 7a transversely extending on the upper side of the panel l between the transversely opposite side edges la of the panel 1 and fixed neither to the topsheet 2 nor the backsheet 3, a lower end section 7b transversely extending on the lower side of the panel 1, and transversely opposite ends 7c overlying transversely opposite _$_ ends of the respective longitudinally opposite ends lb of the panel 1. Flexible side flaps lal and end flaps lbl are formed by portions of the topsheet 2 and the backsheet 3 extending outward from side edges and end edges of the core 4, respectively.
Fig. 2 is a sectional view taken along line A - A in Fig.
1. The lower side section 5b of the barrier side flap 5 has a folding line 9 extending longitudinally of the panel 1 and positioning inside the lower side section 5b, along which the lower side section 5b is folded in a sidewise U-shape in a cross section thereof with its inner surface put flat together. The lower side section 5b comprises a free subsection 5b1 transversely extending from the associated side edge la of the panel 1 with a predetermined width and a fixed subsection 5b2 extending from the folding line 9 transversely outward of the panel 1 with a predetermined width. The surface of the fixed subsection 5b2 opposed to the side flap lal is fixed to the lower surface of the side flap lal by means of adhesive agent 10. The upper side section 5a is folded back inwardly of the panel 1 so as to wrap the elastic member 6 which is secured to the side section 5a under tension.
Under resilience of the barrier side flap 5, the free subsection 5b1 are biased along the folding line 9 so as to restore their positions at which they occupied before the lower side section 5b has been folded along the folding line 9. Under such a biasing effect, the upper side section 5a moves away from the upper surface of the panel 1 and this movement facilitates the barrier side flap 5 to rise on the upper surface of the panel 1. with the panel 1 being curved longitudinally with its inner surface inside when the panel 1 is. worn, the elastic member 6 contracts to rise the barrier side flap 5 and consequently the upper side section 5a of the barrier side flap 5 cooperates with the topsheet 2 to form a pocket P1 opening inwardly of the panel 1.
The free subsection 5b1 is fixed neither to the side flap lal nor to the fixed subsection 5b2 and therefore a height by which the barrier side flap 5 can rise when a side edge region of the panel 1, particularly the side flap 1a1 is bent, with the panel 1 is worn, is substantially equal to a length of the upper side section 5a plus a length of the free subsection 5b1 as measured transversely of the panel 1. Accordingly, even if the panel 1 is spaced from a wearer' s skin by the length of the upper side section 5a when the panel 1 is worn, the length of the free subsection 5b1 can compensate this and thereby maintain a good fit of the barrier side flap 5 around the wearer's leg.
Figs . 3 and 4 are fragmentary sectional views taken along lines H - B and C - C in Fig. 1, respectively. The lower end section 7b of the barrier end flap 7 has a folding line 11 extending transversely of the panel 1 and positioning inside the lower end section 7b, along which the lower end section 7b is folded in a sidewise U-shape in a cross section thereof with its inner surface put flat together. The lower end section 7b comprises a freesubsection7bl longitudinally extending inward from the end lb of the panel 1 and a fixed subsection 7b2 longitudinally extending outward from the folding line 11. The surface of the fixed subsection 7b2 opposed to the end flap lbl is fixed to the lower surface of the end flap lbl by means of adhesive agent 12. The upper end section 7a is folded back inwardly of the panel 1 so as to wrap the elastic member 8 which is secured to the upper end section 7a under tension.
The barrier side flap 5 and the barrier end flap 7 are arranged in a positional relationship to each other as illustrated. Specifically, the longitudinally opposite ends 5c of the barrier side flap 5 are collapsed inward transversely of the panel 1 and the transversely opposite ends 7c of the barrier end flap 7 are collapsed inward longitudinally of the panel 1 to place the longitudinally opposite ends 5c of the barrier side flap 5 and the transversely opposite ends 7c of the barrier end flap 7 upon each other. In such a positional relationship between the barrier side flap 5 and the barrier end flap 7, lower surfaces of the transversely opposite ends 5c are fixed to upper surfaces of the transversely opposite ends 7c, respectively. It is also possible to fix the upper surfaces of the longitudinally opposite ends 5c to the lower surfaces of the transversely opposite ends 7c.
Under resilience of the barrier end flap 7, the free subsection 7b1 are biased along the folding line 11 so as to restore their positions before the lower end section 7b has been folded along the folding line 11. Under such a biasing effect, the upper end section 7a moves away from the upper surface of the panel 1 and this movement facilitates the barrier end flap 7 to rise on the upper surface of the panel 1. Contraction of the elastic member 8 causes the barrier end flap 7 to rise on the panel 1 and consequently the upper end section 7a of the barrier end flap 7 cooperates with the topsheet 2 to form a pocket P2 opening inwardly of the panel 1.
The free subsection 7b1 is fixed neither to the end flap lbl nor to the fixed subsection 7b2 and therefore a height by which the barrier end flap 7 can rise when a end edge region of the panel 1, particularly the end flap lbl is bent, with the panel 1 worn, is substantially equal to a length of the upper end section 7a plus a length of the free subsection 7b1 as measured transversely of the panel 1. Accordingly, even if the panel 1 is spaced from a wearer' s skin by the length of the upper end section 7a when the panel 1 is worn, the length of the free subsection 7b1 can compensate this and thereby maintain a good fit of the barrier end flap 7 around the wearer's skin.
For the panel 1, the upper side sections 5a of the barrier side flap 5 cooperate with the upper end sections 7a of the barrier end flap 7 to function as barriers while the pockets P1, P2 function to hold excretion exuding from the core 4. In this manner, the panel 1 can prevent excretion from leaking beyond the transversely opposite side edges la as well as beyond longitudinally opposite ends lb.
Fig. 5 is a plan view showing the panel 1 of Fig. 1 as attached to a diaper cover 30 as the cover 30 has been partially cutaway. The diaper cover 30 is an hourglass-shaped laminate consisting of an inner sheet 31 made of plastic film and an outer sheet made of nonwoven fabric. The cover 30 has longitudinally front and rear waist regions 35, 37 and a crotch region 36 extending between these front and rear waist regions 35, 37.
Transversely opposite side edges of the crotch region 36 are curved inwardly of the cover 30.
The transversely opposite side edges of the crotch region 36 are provided with elastic members 33 longitudinally extending and secured under tension to the inner surface of at least one of the inner and outer sheets 31, 32. The panel 1 is detachably attached to the inner surface of the cover 30 by means of adhesive agent ( not shown ) so that the panel 1 may extend from the rear waist region 37 into the crotch region 36. The position at which the panel 1 is attached to the diaper cover 30 may be selectively shifted to use the assembly for the purpose of disposal of urine and menstrual discharge or for disposal of faces .
The cover 30 is provided on transversely opposite side edges of the rear waist region 37 with a pair of tape fasteners 34 . As in the case of the conventional disposable diaper, these tape fasteners 34 enable the assembly of the panel 1 and the cover 30 to be put on a wearer' s body so that the wearer' s anus may be positioned substantially at a center of the panel opening 13.
With the panel 1 being used in this manner, excretion is discharged into the opening 13 and it is not concerned that the cover 30 might be soiled with excretion. Disposal of excretion can be easily done merely by holding the panel 1 substantially smaller than the cover 30.
The barrier side flap 5 and the barrier end flap 7 provided along the transversely opposite side edges la and the longitudinally opposite ends lb of the panel 1, respectively, function as the barriers against leakage of body wastes.
Accordingly, it is unnecessary to provide the transversely opposite side edges with a pair of barrier flaps elastically biased to rise on the upper surface of the cover 30.
The topsheet 2 may be made of a liquid-pervious sheet such as a nonwoven fabric or porous plastic film, preferably a liquid-pervious but hydrophobic sheet. The backsheet 3 may be made of a liquid-impervious plastic film, a laminate of plastic film and hydrophobic nonwoven fabric, or preferably a breathable liquid-impervious sheet.
The barrier side flap 5 and the barrier end flaps 7 may be made of a breathable liquid-impervious nonwoven fabric or breathable, liquid-impervious and elastic nonwoven fabric. If the elastic nonwoven fabric is used, the barrier side flap 5 may be joined with a longitudinal tension to the panel 1 while the barrier end flap 7 may be joined with a transverse tension to the panel 1 to eliminate use of the elastic members 6, 8 associated with the upper side sections 5a of the barrier side flaps 5 and the upper end sections 7a of the barrier end flaps 7, respectively.
The nonwoven fabric used as the stock material may be selected from a group including those of spun lace, needle punch;
melt blown, thermal bond, spun bond and chemical bond types.
A basis weight is 15 - 80 g/m2, preferably 20 - 60 g/m2. Component fiber may be selected from a group including polyolefine, polyester, polyamide fibers, and a conjugated fiber or polyethylene/polypropylene or polyester.
The core 4 is formed by compressing a mixture of fluff pulp and hydrogel particles of high water absorptivity and then covering it entirely with a water-pervious sheet such as tissue paper.
Bonding of these members 2, 3, 5, 7 and the elastic members 6, 8 may be achieved using adhesive agent such as hot melt adhesive, glue or heat-sealing technique.
This invention applicable also to the independent article for disposal of body wastes adapted to be directly attached to shorts or pants without being combined with the diaper cover 30.
The disposable body wastes absorbent article according to this invention is adapted for disposal of urine or fecal matter as well as for disposal of menstrual discharge by selectively shifting a position at which the article is attached to the cover member. The article according to this invention additionally enables the body wastes such as excretion or menstrual discharge to be reliably received through the opening into the article and then to be absorbed by the core through the topsheet.
The barrier side flap and the barrier end flaps are biased to move away from the upper surface of the panel and thereby to be smoothly risen on the upper surface of the panel. The upper sections of the respective barrier side flaps risen cooperates with the topsheet to form the pockets opening inwardly of the panel. The upper sections of the respective barrier end flaps risen cooperate with the topsheet to form the pockets opening inwardly of the panel. In this manner, the excretion discharged onto the panel is reliably prevented from leaking beyond its transversely opposite side edges regions and its longitudinally opposite ends.
Claims (5)
1. A disposable body wastes absorbent article having transversely opposite side edges and longitudinally opposite ends, comprising a laminated panel comprising a liquid-pervious topsheet, a liquid-impervious backsheet and a liquid-absorbent core disposed therebetween; wherein:
said panel is provided along said transversely opposite side edges with a pair of barrier side flaps extending longitudinally of said panel and being biased to rise on an upper surface of said panel and along said longitudinally opposite ends with a pair of barrier end flaps extending transversely of said panel;
each of said barrier side flaps comprises a first side section extending on an upper side of said panel longitudinally thereof, a second side section extending on a lower side of said panel longitudinally thereof and longitudinally opposite ends overlying said longitudinally opposite ends of said panel on the upper side thereof, said second side section being folded in a sidewise U-shape in a cross section thereof along a folding line extending longitudinally of said panel with an open end of side U-shape opposed to said first side section and with an inner surface of said second side section put flat together so as to define a free side subsection and a fixed side subsection placed on said free side subsection and said fixed side subsection having an upper surface thereof fixed to the lower surface of said panel along said transversely opposite side edges of said panel;
each of said barrier end flaps comprises a first end section extending on the upper surface of said panel transversely thereof, a second end section extending on the lower surface of said panel transversely thereof and transversely opposite ends overlying said longitudinally opposite ends of said panel on an upper side thereof, said second section being folded in a sidewise U-shape in a cross section thereof along a folding line extending transversely of said panel with an open end of said U-shape opposed to said first end section and with an inner surface of said put flat together so as to define a free end subsection and a fixed end subsection placed on said free end subsection and said fixed end subsection having an upper surface thereof fixed to the lower surface of said panel along said longitudinally opposite ends of said panel; and said longitudinally opposite ends of said barrier side flap are collapsed inward transversely of said panel while said transversely opposite ends of said barrier end flap are collapsed inward longitudinally of the panel to place said longitudinally opposite ends of said barrier side flap said transversely opposite ends of said barrier end flap upon each other and said longitudinally opposite ends of said barrier side flap are fixed to said transversely opposite ends of said barrier end flap.
said panel is provided along said transversely opposite side edges with a pair of barrier side flaps extending longitudinally of said panel and being biased to rise on an upper surface of said panel and along said longitudinally opposite ends with a pair of barrier end flaps extending transversely of said panel;
each of said barrier side flaps comprises a first side section extending on an upper side of said panel longitudinally thereof, a second side section extending on a lower side of said panel longitudinally thereof and longitudinally opposite ends overlying said longitudinally opposite ends of said panel on the upper side thereof, said second side section being folded in a sidewise U-shape in a cross section thereof along a folding line extending longitudinally of said panel with an open end of side U-shape opposed to said first side section and with an inner surface of said second side section put flat together so as to define a free side subsection and a fixed side subsection placed on said free side subsection and said fixed side subsection having an upper surface thereof fixed to the lower surface of said panel along said transversely opposite side edges of said panel;
each of said barrier end flaps comprises a first end section extending on the upper surface of said panel transversely thereof, a second end section extending on the lower surface of said panel transversely thereof and transversely opposite ends overlying said longitudinally opposite ends of said panel on an upper side thereof, said second section being folded in a sidewise U-shape in a cross section thereof along a folding line extending transversely of said panel with an open end of said U-shape opposed to said first end section and with an inner surface of said put flat together so as to define a free end subsection and a fixed end subsection placed on said free end subsection and said fixed end subsection having an upper surface thereof fixed to the lower surface of said panel along said longitudinally opposite ends of said panel; and said longitudinally opposite ends of said barrier side flap are collapsed inward transversely of said panel while said transversely opposite ends of said barrier end flap are collapsed inward longitudinally of the panel to place said longitudinally opposite ends of said barrier side flap said transversely opposite ends of said barrier end flap upon each other and said longitudinally opposite ends of said barrier side flap are fixed to said transversely opposite ends of said barrier end flap.
2. The article according to Claim 1, wherein said barrier side flap and said barrier end flap are formed by a nonwoven fabric, respectively, said barrier side flap being provided along said first side section with at least one elastic member extending longitudinally of said panel and secured under tension and said barrier end flap being provided along said first end section with at least one elastic member extending transversely of said panel and secured under tension.
3. The article according to Claim 1, wherein said barrier side flap and said barrier end flap are formed by an elastic nonwoven fabric, respectively, said barrier side flap being joined to said panel as tensioned longitudinally of said panel and said barrier end flap being joined to said panel as tensioned transversely of said panel.
4. The article according to Claim 1, wherein flexible side flaps are formed by portions of said topsheet and said backsheet extending outwards from lateral side edges of said core, said fixed side subsection of said first side section being fixed on an lower surface of said side flap, said fixed end subsection of said first end section being fixed on the lower surface of said side flap.
5. The article according to Claim 1, wherein said panel is an absorbent pad adapted to be attached to an inner surface of a diaper cover for actual use of said panel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13151599A JP3510150B2 (en) | 1999-05-12 | 1999-05-12 | Disposable body fluid treatment articles |
| JP11-131515 | 1999-05-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2307693A1 CA2307693A1 (en) | 2000-11-12 |
| CA2307693C true CA2307693C (en) | 2003-01-28 |
Family
ID=15059857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002307693A Expired - Fee Related CA2307693C (en) | 1999-05-12 | 2000-05-05 | Disposable body wastes absorbent article |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6443933B1 (en) |
| EP (1) | EP1051957B1 (en) |
| JP (1) | JP3510150B2 (en) |
| KR (1) | KR100645340B1 (en) |
| CN (1) | CN1129408C (en) |
| AU (1) | AU760353B2 (en) |
| BR (1) | BR0001787B1 (en) |
| CA (1) | CA2307693C (en) |
| DE (1) | DE60022816T2 (en) |
| ID (1) | ID25974A (en) |
| MY (1) | MY124025A (en) |
| SG (1) | SG77726A1 (en) |
| TW (1) | TW435207U (en) |
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| EP3344208B1 (en) | 2015-08-31 | 2021-10-06 | Kimberly-Clark Worldwide, Inc. | Absorbent article with absorbent body providing improved access to containment pocket of waist containment member |
| WO2017058165A1 (en) * | 2015-09-29 | 2017-04-06 | Kimberly-Clark Worldwide, Inc. | Absorbent article with selectively positioned waist containment member having an improved waist seal |
| EP3167859B1 (en) | 2015-11-16 | 2020-05-06 | The Procter and Gamble Company | Absorbent cores having material free areas |
| EP3238676B1 (en) | 2016-04-29 | 2019-01-02 | The Procter and Gamble Company | Absorbent core with profiled distribution of absorbent material |
| EP3238678B1 (en) | 2016-04-29 | 2019-02-27 | The Procter and Gamble Company | Absorbent core with transversal folding lines |
| JP6396396B2 (en) * | 2016-12-08 | 2018-09-26 | 大王製紙株式会社 | Pants-type disposable diaper and method for manufacturing the same |
| US10857041B2 (en) * | 2017-10-24 | 2020-12-08 | Cherry Ferguson | Reusable diaper assembly |
| USD915583S1 (en) * | 2019-03-28 | 2021-04-06 | Audree Blaikie | Incontinence article |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3709221A (en) * | 1969-11-21 | 1973-01-09 | Pall Corp | Microporous nonadherent surgical dressing |
| DE2950627A1 (en) * | 1979-12-15 | 1981-06-19 | Philips Patentverwaltung Gmbh, 2000 Hamburg | ARRANGEMENT FOR MEASURING SURFACE PROFILES |
| JPS60104502A (en) * | 1983-11-07 | 1985-06-08 | 花王株式会社 | Disposable diaper |
| FR2681242A1 (en) * | 1991-09-12 | 1993-03-19 | Pigneul Raymond | Sanitary towel with side flaps forming a shell |
| AR246180A1 (en) * | 1991-11-29 | 1994-07-29 | Procter & Gamble | Absorbent article with elasticised side flaps. |
| BR9204863A (en) * | 1992-11-25 | 1994-03-01 | Johnson & Johnson Ind Com | DISPOSABLE FEMALE INTIMO ABSORBENT |
| US5968029A (en) * | 1993-08-03 | 1999-10-19 | The Procter & Gamble Company | Web materials exhibiting elastic-like behavior |
| JPH07299093A (en) * | 1994-05-10 | 1995-11-14 | Uni Charm Corp | Body fluid absorbent article for wear |
| DE29506277U1 (en) * | 1995-04-11 | 1995-06-01 | Graether Dieter | Insert for use as a diaper or bed insert, especially for heavily incontinent people |
| JP3535984B2 (en) * | 1999-04-02 | 2004-06-07 | ユニ・チャーム株式会社 | Worn article |
-
1999
- 1999-05-12 JP JP13151599A patent/JP3510150B2/en not_active Expired - Lifetime
-
2000
- 2000-05-04 DE DE60022816T patent/DE60022816T2/en not_active Expired - Lifetime
- 2000-05-04 EP EP00303738A patent/EP1051957B1/en not_active Expired - Lifetime
- 2000-05-05 TW TW089207464U patent/TW435207U/en not_active IP Right Cessation
- 2000-05-05 AU AU32563/00A patent/AU760353B2/en not_active Ceased
- 2000-05-05 CA CA002307693A patent/CA2307693C/en not_active Expired - Fee Related
- 2000-05-08 ID IDP20000380A patent/ID25974A/en unknown
- 2000-05-09 MY MYPI20002007A patent/MY124025A/en unknown
- 2000-05-10 SG SG200002477A patent/SG77726A1/en unknown
- 2000-05-11 BR BRPI0001787-6A patent/BR0001787B1/en not_active IP Right Cessation
- 2000-05-12 CN CN00108344A patent/CN1129408C/en not_active Expired - Fee Related
- 2000-05-12 KR KR1020000025207A patent/KR100645340B1/en not_active IP Right Cessation
- 2000-05-12 US US09/570,359 patent/US6443933B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| BR0001787A (en) | 2001-01-02 |
| US6443933B1 (en) | 2002-09-03 |
| DE60022816T2 (en) | 2006-07-06 |
| JP2000316904A (en) | 2000-11-21 |
| EP1051957A3 (en) | 2001-05-16 |
| SG77726A1 (en) | 2001-01-16 |
| TW435207U (en) | 2001-05-16 |
| EP1051957A2 (en) | 2000-11-15 |
| BR0001787B1 (en) | 2008-11-18 |
| AU760353B2 (en) | 2003-05-15 |
| MY124025A (en) | 2006-06-30 |
| CN1273811A (en) | 2000-11-22 |
| AU3256300A (en) | 2000-11-16 |
| CN1129408C (en) | 2003-12-03 |
| CA2307693A1 (en) | 2000-11-12 |
| JP3510150B2 (en) | 2004-03-22 |
| DE60022816D1 (en) | 2006-02-09 |
| EP1051957B1 (en) | 2005-09-28 |
| KR100645340B1 (en) | 2006-11-14 |
| KR20000077228A (en) | 2000-12-26 |
| ID25974A (en) | 2000-11-16 |
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| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20150505 |