CA2558578A1 - Simple disposable absorbent article having breathable side barriers - Google Patents

Simple disposable absorbent article having breathable side barriers Download PDF

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Publication number
CA2558578A1
CA2558578A1 CA002558578A CA2558578A CA2558578A1 CA 2558578 A1 CA2558578 A1 CA 2558578A1 CA 002558578 A CA002558578 A CA 002558578A CA 2558578 A CA2558578 A CA 2558578A CA 2558578 A1 CA2558578 A1 CA 2558578A1
Authority
CA
Canada
Prior art keywords
absorbent assembly
chassis
interior surface
disposable diaper
attached
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.)
Granted
Application number
CA002558578A
Other languages
French (fr)
Other versions
CA2558578C (en
Inventor
Gary Dean Lavon
Pankaj Nigam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
The Procter & Gamble Company
Gary Dean Lavon
Pankaj Nigam
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 The Procter & Gamble Company, Gary Dean Lavon, Pankaj Nigam filed Critical The Procter & Gamble Company
Priority to CA002681888A priority Critical patent/CA2681888A1/en
Publication of CA2558578A1 publication Critical patent/CA2558578A1/en
Application granted granted Critical
Publication of CA2558578C publication Critical patent/CA2558578C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/539—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterised by the connection of the absorbent layers with each other or with the outer layers

Abstract

A simple disposable absorbent article including an absorbent assembly attached to a chassis. The absorbent assembly includes an absorbent core that may contain superabsorbent particles, which may be contained inside pockets. The absorbent assembly is folded laterally inward at both of its side edges to form laterally opposing side flaps. Each side flap is attached to an interior surface of the absorbent assembly adjacent to its end edges. A longitudinally extending elastic gathering member is attached to each side flap adjacent to its proximal edge. When the article is worn, the elastic gathering members contract and raise the side flaps to form breathable side barriers. The chassis includes a water-impermeable sheet and may be extensible. The absorbent assembly may be attached in a cruciform pattern such that portions of the chassis that lie outside the attachment pattern are not restrained by attachment to the absorbent assembly and therefore remain extensible.

Claims (10)

1. A disposable diaper having a front waist region, a back waist region, and a crotch region between the waist regions and comprising:
an absorbent assembly having an interior surface and an exterior surface and laterally opposing longitudinally extending breathable side flaps, each side flap having longitudinally opposing ends and a longitudinally extending proximal edge, each side flap being attached adjacent to its ends to the interior surface of the absorbent assembly and having a longitudinally extending elastic gathering member attached adjacent to its proximal edge such that when allowed to relax, the elastic gathering member contracts and lifts the proximal edge away from the interior surface of the absorbent assembly, thereby raising the side flap to form a breathable side barrier; and a chassis attached to the exterior surface of the absorbent assembly and having an interior surface and an exterior surface and including a water-impermeable backsheet, wherein at least a portion of the chassis is extensible.
2. The disposable diaper of Claim 1 wherein the extensible portion of the chassis includes at least two distinct laterally extending altered regions each containing a pattern of generally longitudinally oriented alternating ridges and valleys created by a deformation of the portion of the chassis and also containing an unaltered region located between the altered regions, such that the portion of the chassis can be laterally extended to a given extent with the application of relatively less force than that required to laterally extend the same portion of the chassis to the same given extent before the deformation.
3. The disposable diaper of any of the preceding claims wherein at least a portion of the chassis in one of the waist regions is laterally extensible to a greater degree than at least a portion of the chassis in the crotch region.
4. A disposable diaper having a front waist region, a back waist region, and a crotch region between the waist regions and comprising:
an absorbent assembly having an interior surface and an exterior surface and laterally opposing longitudinally extending breathable side flaps, each side flap having longitudinally opposing ends and a longitudinally extending proximal edge, each side flap being attached adjacent to its ends to the interior surface of the absorbent assembly and having a longitudinally extending elastic gathering member attached adjacent to its proximal edge such that when allowed to relax, the elastic gathering member contracts and lifts the proximal edge away from the interior surface of the absorbent assembly, thereby raising the side flap to form a breathable side barrier; and a chassis attached to the exterior surface of the absorbent assembly and having an interior surface and an exterior surface and including a water-impermeable backsheet and at least one fastening element for fastening the front waist region and the back waist region together to encircle a waist and legs of a wearer, wherein the fastening element is adapted to be openable and refastenable.
5. The disposable diaper of Claim 4 wherein the fastening element includes a cohesive fastening element.
6. The disposable diaper of Claim 4 wherein the fastening element includes a mechanical fastener adapted to engage a nonwoven.
7. A disposable diaper having a front waist region, a back waist region, and a crotch region between the waist regions and comprising:
an absorbent assembly having an interior surface and an exterior surface and laterally opposing longitudinally extending breathable side flaps, each side flap having longitudinally opposing ends and a longitudinally extending proximal edge, each side flap being attached adjacent to its ends to the interior surface of the absorbent assembly and having a longitudinally extending elastic gathering member attached adjacent to its proximal edge such that when allowed to relax, the elastic gathering member contracts and lifts the proximal edge away from the interior surface of the absorbent assembly, thereby raising the side flap to form a breathable side barrier; and a chassis attached to the exterior surface of the absorbent assembly and having an interior surface and an exterior surface and including a water-impermeable backsheet, wherein the absorbent assembly comprises an absorbent core storage component containing no airfelt.
8. The disposable diaper of any of the preceding claims wherein laterally opposing portions of the chassis in the crotch region are folded laterally inward to overlap the respective side flaps and are attached to the respective side flaps.
9. The disposable diaper of any of the preceding claims wherein the absorbent assembly includes both an absorbent core storage component and an absorbent core acquisition component.
10. The disposable diaper of any of the preceding claims wherein the absorbent assembly is attached to the chassis in a cruciform pattern of attachment.
CA2558578A 2004-03-12 2005-03-10 Simple disposable absorbent article having breathable side barriers Expired - Fee Related CA2558578C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002681888A CA2681888A1 (en) 2004-03-12 2005-03-10 Simple disposable absorbent article having breathable side barriers

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/799,947 2004-03-12
US10/799,947 US7318820B2 (en) 2004-03-12 2004-03-12 Simple disposable absorbent article having breathable side barriers
PCT/US2005/007796 WO2005089689A1 (en) 2004-03-12 2005-03-10 Simple disposable absorbent article having breathable side barriers

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002681888A Division CA2681888A1 (en) 2004-03-12 2005-03-10 Simple disposable absorbent article having breathable side barriers

Publications (2)

Publication Number Publication Date
CA2558578A1 true CA2558578A1 (en) 2005-09-29
CA2558578C CA2558578C (en) 2010-09-14

Family

ID=34920610

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002681888A Abandoned CA2681888A1 (en) 2004-03-12 2005-03-10 Simple disposable absorbent article having breathable side barriers
CA2558578A Expired - Fee Related CA2558578C (en) 2004-03-12 2005-03-10 Simple disposable absorbent article having breathable side barriers

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002681888A Abandoned CA2681888A1 (en) 2004-03-12 2005-03-10 Simple disposable absorbent article having breathable side barriers

Country Status (13)

Country Link
US (1) US7318820B2 (en)
EP (1) EP1740137A1 (en)
JP (2) JP2007527777A (en)
KR (1) KR20060126596A (en)
CN (1) CN100512782C (en)
AR (1) AR049255A1 (en)
AU (1) AU2005222601B2 (en)
BR (1) BRPI0508661A (en)
CA (2) CA2681888A1 (en)
EG (1) EG24633A (en)
RU (2) RU2341240C2 (en)
SG (2) SG151312A1 (en)
WO (1) WO2005089689A1 (en)

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EG24633A (en) 2010-03-10
AU2005222601B2 (en) 2009-07-30

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