Patent US3965906A successfully refreshed from Google Patents.
US3965906A
Expired / Lapsed
US
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Absorbent article with pattern and method
Assignee: Colgate Palmolive Co
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Filing: 1975-02-24
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Granted: 1976-06-29
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Expires: 1995-02-24
Abstract
Abstract An absorbent article comprising an absorbent pad having a front surface, and sheet means, including a film of thermoplastic material, covering at least a portion of the front surface of the pad. A pattern is fused into the film to define a discontinuous front surface of the article.
Inventors
- 👤 Hamzeh Karami
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:24
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/15577; A61F13/15666; A61F13/15674; A61F13/15617; A61F13/15634; A61F13/51; A61F13/511; A61F13/51104; A61F13/512; A61F13/5126; A61F13/45; A61F13/49; A61F13/495; A61F2013/4958; A61F13/513; A61F2013/51355; A61F2013/51372; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
99 words
An absorbent article, comprising: an absorbent pad having a front surface, a film of thermoplastic material covering at least a portion of the front surface of the pad in a fluid receiving region of the article, a fluid pervious top sheet covering said film in said region, said top sheet having an outer surface facing away from the film, said film having a plurality of fluid transmitting openings extending through the film in said region, and said top sheet being fused against the film in a pattern defining a recessed configuration in the outer surface of the top sheet.
Claim 2
Dependent Claim
99 words
An absorbent article, comprising: an absorbent pad having a front surface, a film of thermoplastic material covering at least a portion of the front surface of the pad in a fluid receiving region of the article, a fluid pervious top sheet covering said film in said region, said top sheet having an outer surface facing away from the film, said film having a plurality of fluid transmitting openings extending through the film in said region, and said top sheet being fused against the film in a pattern defining a recessed configuration in the outer surface of the top sheet.
Claim 3
Dependent Claim
19 words
The article of claim 1 wherein said film is fused to the pad in the locality of said pattern.
Claim 4
Dependent Claim
15 words
The article of claim 1 wherein said pattern defines a mesh-like configuration in said film.
Claim 5
Dependent Claim
20 words
The article of claim 3 wherein the fineness of said configuration is in the range of 4 to 1000 mesh.
Claim 6
Dependent Claim
16 words
The articles of claim 1 wherein said openings comprise perforations in the film enlarged by heating.
Claim 7
Dependent Claim
23 words
The article of claim 5 wherein at least a substantial portion of the enlarged perforations are located in the locality of said pattern.
Claim 8
Dependent Claim
20 words
The article of claim 1 wherein said top sheet comprises a nonwoven material having a weight of 7-14 grams/square yard.
Claim 9
Dependent Claim
62 words
An absorbent article, comprising: an absorbent pad having a back surface, and a thermoplastic backing sheet covering at least a portion of the back surface of the pad, said backing sheet having an outer surface facing away from the pad and a pattern fused into the sheet against said pad defining a recessed configuration in the outer surface of the backing sheet.
Claim 10
Dependent Claim
62 words
An absorbent article, comprising: an absorbent pad having a back surface, and a thermoplastic backing sheet covering at least a portion of the back surface of the pad, said backing sheet having an outer surface facing away from the pad and a pattern fused into the sheet against said pad defining a recessed configuration in the outer surface of the backing sheet.
Claim 11
Dependent Claim
110 words
A disposable diaper, comprising: an absorbent pad having a front surface, and a perforated film of thermoplastic material covering at least a portion of the front surface of the pad in a fluid receiving region of the diaper, said film having an outer surface facing away from the pad, a closely spaced pattern fused into the film against the pad defining a recessed configuration in the outer surface of the film, and a plurality of fluid transmitting openings in said region, said openings comprising perforations enlarged by heating in the locality of said pattern from a size of 0.2 to 7 mms to a size of 0.2 to 8 mms.
Claim 12
Dependent Claim
110 words
A disposable diaper, comprising: an absorbent pad having a front surface, and a perforated film of thermoplastic material covering at least a portion of the front surface of the pad in a fluid receiving region of the diaper, said film having an outer surface facing away from the pad, a closely spaced pattern fused into the film against the pad defining a recessed configuration in the outer surface of the film, and a plurality of fluid transmitting openings in said region, said openings comprising perforations enlarged by heating in the locality of said pattern from a size of 0.2 to 7 mms to a size of 0.2 to 8 mms.
Claim 13
Dependent Claim
93 words
A disposable diaper, comprising: an absorbent pad having a front surface, a fluid pervious top sheet covering at least a portion of the front surface of the pad, and a film of thermoplastic material intermediate said top sheet and pad, said film having a pattern fused against the top sheet and pad defining a recessed configuration of the front surface of the diaper, and a plurality of fluid transmitting openings extending through the film in the locality of said pattern, said openings being enlarged from perforations of a smaller size in said film.
Claim 14
Dependent Claim
93 words
A disposable diaper, comprising: an absorbent pad having a front surface, a fluid pervious top sheet covering at least a portion of the front surface of the pad, and a film of thermoplastic material intermediate said top sheet and pad, said film having a pattern fused against the top sheet and pad defining a recessed configuration of the front surface of the diaper, and a plurality of fluid transmitting openings extending through the film in the locality of said pattern, said openings being enlarged from perforations of a smaller size in said film.
Claim 15
Dependent Claim
106 words
An absorbent article comprising, an absorbent pad having a front surface, and sheet means, including a perforated film of thermoplastic material, covering at least a portion of the front surface of the pad and having a closely spaced pattern fused into the film to define a recessed configuration of the front surface of the article, said pattern defining a mesh-like configuration in said film, with the fineness of the configuration being in the range of 4 to 1000 mesh, and said film having a plurality of openings comprising a portion of said perforations enlarged from a smaller size by heating in the locality of said pattern.
Claim 16
Dependent Claim
106 words
An absorbent article comprising, an absorbent pad having a front surface, and sheet means, including a perforated film of thermoplastic material, covering at least a portion of the front surface of the pad and having a closely spaced pattern fused into the film to define a recessed configuration of the front surface of the article, said pattern defining a mesh-like configuration in said film, with the fineness of the configuration being in the range of 4 to 1000 mesh, and said film having a plurality of openings comprising a portion of said perforations enlarged from a smaller size by heating in the locality of said pattern.
Claim 17
Independent Claim
52 words
A method of making an absorbent article, comprising the steps of: placing a film of thermoplastic material against a back surface of an absorbent pad; and fusing a pattern into said film against the back surface of the pad to define a partially recessed outer surface of the film relative the pad.
Claim 18
Independent Claim
52 words
A method of making an absorbent article, comprising the steps of: placing a film of thermoplastic material against a back surface of an absorbent pad; and fusing a pattern into said film against the back surface of the pad to define a partially recessed outer surface of the film relative the pad.
Claim 19
Independent Claim
75 words
A method of making an absorbent article, comprising the steps of: perforating a film of thermoplastic material; placing the perforated film and a sheet of fluid pervious material against a surface of an absorbent pad with the film located intermediate the sheet and pad; and heating the sheet and film in a pattern to enlarge a plurality of film perforations and fuse the film to the sheet and pad in the locality of the pattern.
Claim 20
Independent Claim
75 words
A method of making an absorbent article, comprising the steps of: perforating a film of thermoplastic material; placing the perforated film and a sheet of fluid pervious material against a surface of an absorbent pad with the film located intermediate the sheet and pad; and heating the sheet and film in a pattern to enlarge a plurality of film perforations and fuse the film to the sheet and pad in the locality of the pattern.
Claim 21
Independent Claim
61 words
A method of making an absorbent article, comprising the steps of: placing a film of thermoplastic material against a front surface of an absorbent pad; placing a sheet of fluid pervious material against an outer surface of the film; and fusing a pattern into the film against the sheet and pad to define a partially recessed front surface of the article.
Claim 22
Independent Claim
61 words
A method of making an absorbent article, comprising the steps of: placing a film of thermoplastic material against a front surface of an absorbent pad; placing a sheet of fluid pervious material against an outer surface of the film; and fusing a pattern into the film against the sheet and pad to define a partially recessed front surface of the article.
Claim 23
Dependent Claim
30 words
The method of claim 14 including the step of perforating said film, and in which said fusing step enlarges a plurality of film perforations in the locality of said pattern.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-29 | 1979-12-29 | 1980-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-29 | 1983-12-29 | 1984-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-29 | 1987-12-29 | 1988-06-29 | $7700.00 | Window Closed / Lapsed |