EP0040447A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Disposable absorbent article having a layer of fibers affixed to the inner surface of the topsheet
Assignee: Procter and Gamble Co
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Filing: 1981-05-07
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Granted: —
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Expires: 2001-05-07
Abstract
Abstract An article of manufacture is disclosed for absorbing liquids, particularly body exudates such as menstrual discharges. An apertured formed film topsheet (12) having a layer of fibers (36) affixed to the inner surface thereof overlays an intermediate layer (40) having a multiplicity of tapered capillaries (42). The apertured formed film topsheet (12) has a specified combination of caliper, percent open area and percent of apertures having an equivalent hydraulic diameter less than or equal to 0.025 inches (0.064 cm.) which impart a stain resistant character to the topsheet.
Inventors
- 👤 Nicholas Albert Ahr
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 10:24
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/515; A61F13/511; A61F13/512; A61F13/45; A61F13/47; A61F13/513; A61F13/51305; A61F13/53; A61F13/534; A61F13/537; A61F2013/51002; A61F2013/51038; A61F2013/51042; A61F13/514; A61F13/51401; A61F2013/51409; A61F2013/53445; A61F2013/53765; A61F2013/53782; A61F13/539; A61F2013/53908
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
108 words
A disposable absorbent article comprising: an absorbent core means for absorbing liquid, said absorbent core means having a first and a second opposed face; a liquid impermeable backsheet overlaying said first opposed face of said absorbent core means; a liquid permeable topsheet overlaying said second opposed face of said absorbent core means, said topsheet having an inner surface facing toward said absorbent core means; characterised in that a layer of fibers is affixed to said inner surface of said topsheet, said layer of fibers comprising a multiplicity of individual fibers, said layer of fibers weighing at least 1.5 grams of said fibers per square meter of said topsheet.
Claim 2
Dependent Claim
108 words
A disposable absorbent article comprising: an absorbent core means for absorbing liquid, said absorbent core means having a first and a second opposed face; a liquid impermeable backsheet overlaying said first opposed face of said absorbent core means; a liquid permeable topsheet overlaying said second opposed face of said absorbent core means, said topsheet having an inner surface facing toward said absorbent core means; characterised in that a layer of fibers is affixed to said inner surface of said topsheet, said layer of fibers comprising a multiplicity of individual fibers, said layer of fibers weighing at least 1.5 grams of said fibers per square meter of said topsheet.
Claim 3
Dependent Claim
26 words
The disposable absorbent article of Claim 1 wherein said layer of fibers weighs at least 3.1 grams of said fibers per square meter of said topsheet.
Claim 4
Dependent Claim
26 words
The disposable absorbent article of Claim 1 and 2 wherein said layer of fibers is affixed to said inner surface of said topsheet with an adhesive.
Claim 5
Dependent Claim
25 words
The disposable absorbent article of any one of Claims 1-3 wherein said multiplicity of individual fibers are derived from wood by a thermomechanical pulping process.
Claim 6
Dependent Claim
31 words
The disposable absorbent article of Claim 4 wherein said multiplicity of individual fibers have a width of from 15 to 40 microns and a length of from 1.0 to 3.5 millimeters.
Claim 7
Dependent Claim
26 words
The disposable absorbent article of any one of Claims 1-3 wherein said multiplicity 3 f indidivual fibers are derived from wood by a chemical pulping process.
Claim 8
Dependent Claim
21 words
The disposable absorbent article of any one of Claims 1-6 wherein said absorbent core means is formed of comminuted wood pulp.
Claim 9
Dependent Claim
18 words
The disposable absorbent article according to any one of Claims 1-7 in the form of a catamenial pad.
References Cited (Backward Citations)
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