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EP0304617A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Sanitary article

Assignee: Kao Corp
•
Filing: 1988-07-20
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Granted: —
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Expires: 2008-07-20
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Abstract

Abstract A sanitary article comprises an absorbent (7) and a sheet of a surface material to envelop the absorbent (7), the sheet comprising an opaque, hydrophobic film (5), having recesses in its land portion (1), the recesses being formed to have a bottom (2) and side walls (3), the side walls (3) having a slanting part, the slanting part being provided therein with an opening (4) so that the slanting part having the opening (4) may not be covered with the land portion.

Inventors

  • 👤 Yasunori Suda
  • 👤 Takatoshi Kobayashi
  • 👤 Akira Yamanoi
  • 👤 Tamio Yasuno
  • 👤 Daisuke Shiba

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-01 15:13
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/511; A61F13/512; A61F13/51104; A61F13/513; A61F13/51305; A61L; A61L15/00; A61L15/16; A61L15/42; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23921; Y10T428/24; Y10T428/24273; Y10T428/24322

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 73 words
A sanitary article comprising an absorbent and a sheet of a surface material to envelop the absorbent, the sheet comprising an opaque, hydrophobic film, having recesses in its land portion, the recesses being formed to have a bottom and side walls the side walls having a slanting part, the slanting part being provided therein with an opening so that the slanting part having the opening may not be covered with the land portion.
Claim 2
Dependent Claim 73 words
A sanitary article comprising an absorbent and a sheet of a surface material to envelop the absorbent, the sheet comprising an opaque, hydrophobic film, having recesses in its land portion, the recesses being formed to have a bottom and side walls the side walls having a slanting part, the slanting part being provided therein with an opening so that the slanting part having the opening may not be covered with the land portion.
Claim 3
Dependent Claim 38 words
A sanitary article as claimed in Claim 1, in which the opening has a size of 0.02 to 30 square mm and the number of openings ranges from 1 to 100 per one square cm of the sheet.
Claim 4
Dependent Claim 34 words
A sanitary article as claimed in Claim 1, in which an angle formed between the land portion and the slanting part of the side walls ranges from 20° to less than the right angle.
Claim 5
Dependent Claim 37 words
A sanitary article as claimed in Claim 1, in which the sheet comprises the opaque, hydrophobic film and a layer of fibrous aggregates, lined on the film on the side to contact the skin of a user.
Claim 6
Dependent Claim 33 words
A sanitary article as claimed in Claim 1, in which the sheet comprises the opaque, hydrophobic film and a layer of fibrous aggregates lined on the film on the side nearer the absorbent.
Claim 7
Dependent Claim 18 words
A sanitary article as claimed in Claim 1, in which the bottom is formed to be convex upwardly.
Claim 8
Dependent Claim 44 words
A sanitary article as claimed in Claim 5, in which the surface material exhibits a height of rising water of 100 mm or lower, determined by the test method on water absorption of paper according to the Klemm's method, referred to in JIS P8141.
Claim 9
Dependent Claim 37 words
A sanitary article as claimed in Claim 1 or 5, in which the surface material has a deformation extent at the thickness direction of 40 percent or larger at a pressure of 50 grams per square cm.

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