EP0059015A2
Expired / Lapsed
EP
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Disposable absorbent article having an improved liquid migration resistant perimeter construction
Assignee: Procter and Gamble Co
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Filing: 1982-02-12
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Granted: —
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Expires: 2002-02-12
Abstract
Abstract An article of manufacture is disclosed for absorbing liquids, particularly body fluids such as urine. A liquid permeable topsheet is affixed to a liquid impermeable backsheet encasing an absorbent core therebetween. A liquid impermeable barrier member overlays a segment of the absorbent core and is affixed at one end to the backsheet. The topsheet has compacted portions which are affixed to the barrier member.
Inventors
- 👤 Kenneth Barclay Buell
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 07:56
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/494; A61F13/49466; A61F13/47; A61F13/49007; A61F13/49009; A61F13/53; A61F13/534; A61F13/537; A61F13/56; A61F13/58; A61F2013/49068; A61F2013/49076; A61F13/51; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/530131; A61F2013/530802; A61F2013/53445; A61F13/539; A61F2013/53908; A61F2013/5395; A61F2013/583
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
156 words
A disposable absorbent article (10) - comprising: a fibrous liquid permeable topsheet (12); . a liquid impermeable backsheet (16); an attachment means (15, 19,.20, 21, 54) for affixing said topsheet to said backsheet; an absorbent core means (14) for absorbing liquids, said absorbent core means being encased between said topsheet and said backsheet and having a core edge (43) characterised in that said absorbent core means has at least one barriered'core edge segment (51) comprising at least a segment of said core edge (43); and at least one liquid impermeable barrier member (18) having an outer portion extensing from said barriered core edge segment and having an inner portion (56) interposed between said topsheet (12) and said absorbent core means (14), and further characterised in that said topsheet has at least one liquid migration resistant segment (58) comprising a compacted portion (60) affixed to said inner portion (56) of said at least one barrier member (18).
Claim 2
Dependent Claim
156 words
A disposable absorbent article (10) - comprising: a fibrous liquid permeable topsheet (12); . a liquid impermeable backsheet (16); an attachment means (15, 19,.20, 21, 54) for affixing said topsheet to said backsheet; an absorbent core means (14) for absorbing liquids, said absorbent core means being encased between said topsheet and said backsheet and having a core edge (43) characterised in that said absorbent core means has at least one barriered'core edge segment (51) comprising at least a segment of said core edge (43); and at least one liquid impermeable barrier member (18) having an outer portion extensing from said barriered core edge segment and having an inner portion (56) interposed between said topsheet (12) and said absorbent core means (14), and further characterised in that said topsheet has at least one liquid migration resistant segment (58) comprising a compacted portion (60) affixed to said inner portion (56) of said at least one barrier member (18).
Claim 3
Dependent Claim
42 words
A disposable absorbent article according to Claim 1 wherein said at least one barriered core edge segment (51) comprises a front end segment (45), said inner portion of said barrier member overlaying said absorbent core means adjacent to said front end segment.
Claim 4
Dependent Claim
66 words
A disposable absorbent article according to Claim 1 wherein said at least one barriered core edge segment comprises a front end segment and a back end segment, a first barrier member having an inner portion overlaying said absorbent core means adjacent to said front end segment and a second barrier member having an inner portion overlaying said absorbent core means adjacent to said back end segment.
Claim 5
Dependent Claim
31 words
A disposable absorbent article according to any one of Claims 1-3 wherein an outer portion (57) of the or each barrier member has a first end (54) affixed to said backsheet.
Claim 6
Dependent Claim
39 words
A disposable absorbent article according to any one of Claims 1-4 wherein said topsheet has ah uncompacted portion and the ratio of the caliper of said uncompacted portion to the caliper of said compacted portion is at least 1.5:1.
Claim 7
Dependent Claim
33 words
A disposable absorbent article according to Claim 5 wherein the ratio of the caliper of said uncompacted portion to the caliper of said compacted portion is at least 2.0:1, preferably at least 4.0:1.
Claim 8
Dependent Claim
21 words
A disposable absorbent article according to any one of Claims 1-6 wherein said compacted portion comprises one or more continuous bands.
Claim 9
Dependent Claim
43 words
A disposable absorbent article according to any one of Claims 1=7 wherein said compacted portion comprises a multiplicity of continuous bands (61), of width at least 0.25 mm and a multiplicity of reservoirs (62) of width at least 0.79 mm between said bands.
Claim 10
Dependent Claim
21 words
A disposable absorbent article according to any one of Claims 1-6 wherein said compacted portion comprises an array of discrete areas.
Claim 11
Dependent Claim
43 words
A disposable absorbent article according to any one of Claims 1-9 wherein said barrier member has a sheet tensile strength of at least 180 g/cm of width in the machine direction and at least 90 g/cm of width in the cross machine direction.
Claim 12
Dependent Claim
27 words
A disposable absorbent article according to any one of Claims 1-10 wherein said barrier member has a surface energy of at least 30 dynes per square centimeter.
Claim 13
Dependent Claim
18 words
A disposable absorbent article according to any one of Claims 1-11 in the form of a disposable diaper.
Claim 14
Dependent Claim
22 words
A disposable absorbent article according to Claim 12 wherein said at least one barrier member is a unitary part of said backsheet.
References Cited (Backward Citations)
No citation records indexed.
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