US4158363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaper with extensible fastener
Assignee: Colgate Palmolive Co
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Filing: 1978-02-22
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Granted: 1979-06-19
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Expires: 1998-02-22
Abstract
Abstract A disposable diaper comprising, an absorbent pad assembly, a release sheet on a surface of the pad assembly adjacent a side edge, a tape strip having a first portion secured to the surface of the pad assembly, a securement portion releasably attached to the release sheet, and an extensible central portion connecting the first and securement portions.
Inventors
- 👤 Charles H. Schaar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:57
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/56; A61F13/58
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
201 words
A disposable diaper, comprising: an absorbent pad assembly having opposed surfaces, and a side edge; and a tape fastener comprising, release sheet means on one of said surfaces of the pad assembly adjacent said side edge, and tape means having a first portion secured to said one surface of the pad assembly, a securement portion releasably attached to said release sheet means, and an extensible portion connecting said first and securement portions, said securement portion being removed from the release sheet means and said extensible portion permitting extension of said securement portion past said side edge to secure the diaper about an infant, said extensible portion comprising a central portion of the tape means having at least one fold, and said release sheet means comprising a release sheet having a release suface releasably attached to adhesive on said central portion, a first end segment attached to said one surface of the pad assembly adjacent said side edge, and a second segment attached to the diaper adjacent said first portion of the tape means, said release sheet means being spaced sufficiently from said side edge to permit attachment of adhesive on the extensible portion against said one surface of the pad assembly.
Claim 2
Dependent Claim
201 words
A disposable diaper, comprising: an absorbent pad assembly having opposed surfaces, and a side edge; and a tape fastener comprising, release sheet means on one of said surfaces of the pad assembly adjacent said side edge, and tape means having a first portion secured to said one surface of the pad assembly, a securement portion releasably attached to said release sheet means, and an extensible portion connecting said first and securement portions, said securement portion being removed from the release sheet means and said extensible portion permitting extension of said securement portion past said side edge to secure the diaper about an infant, said extensible portion comprising a central portion of the tape means having at least one fold, and said release sheet means comprising a release sheet having a release suface releasably attached to adhesive on said central portion, a first end segment attached to said one surface of the pad assembly adjacent said side edge, and a second segment attached to the diaper adjacent said first portion of the tape means, said release sheet means being spaced sufficiently from said side edge to permit attachment of adhesive on the extensible portion against said one surface of the pad assembly.
Claim 3
Dependent Claim
14 words
The diaper of claim 1 wherein said central portion has a plurality of folds.
Claim 4
Dependent Claim
152 words
A disposable diaper, comprising: an absorbent pad assembly having a pair of opposed surfaces, and a side edge; and a tape fastener comprising, a pressure-sensitive tape strip having a first portion attached to one of said surfaces of the pad assembly, a securement portion remote the first portion, and an extensible central portion extending between the first and securement portions, said fastener having a release sheet having a first end attached to said one surface of the pad assembly adjacent said side edge, a second end attached to the diaper adjacent said first strip portion, and an outer release surface, with adhesive on said central strip portion being releasably attached to the release surface of the release sheet intermediate said first and second ends, and said central strip portion and attached release sheet having at least one lateral fold at a location intermediate the first and second ends of the release sheet.
Claim 5
Dependent Claim
152 words
A disposable diaper, comprising: an absorbent pad assembly having a pair of opposed surfaces, and a side edge; and a tape fastener comprising, a pressure-sensitive tape strip having a first portion attached to one of said surfaces of the pad assembly, a securement portion remote the first portion, and an extensible central portion extending between the first and securement portions, said fastener having a release sheet having a first end attached to said one surface of the pad assembly adjacent said side edge, a second end attached to the diaper adjacent said first strip portion, and an outer release surface, with adhesive on said central strip portion being releasably attached to the release surface of the release sheet intermediate said first and second ends, and said central strip portion and attached release sheet having at least one lateral fold at a location intermediate the first and second ends of the release sheet.
Claim 6
Dependent Claim
58 words
The diaper of claim 3 wherein said central strip portion and attached release sheet have a plurality of lateral folds intermediate the first and second ends of the release sheet, with said release sheet releasably retaining the central strip portion in a folded configuration of reduced longitudinal dimensions between the first and second ends of the release sheet.
Claim 7
Dependent Claim
26 words
The diaper of claim 3 wherein said central strip portion and attached release sheet are accordion-folded intermediate the first and second ends of the release sheet.
Claim 8
Dependent Claim
162 words
A disposable diaper, comprising: an absorbent pad assembly having opposed surfaces, and a side edge; and a tape fastener comprising, a pressure-sensitive tape strip having an end portion attached to one of said surfaces of the pad assembly and a second portion extending from the first portion, and a release sheet having an outer release surface releasably attached to adhesive on the second strip portion, said second strip portion and release sheet having a plurality of outer lateral fold lines and a plurality of inner lateral fold lines defining a folded configuration of the second strip portion and release sheet of reduced longitudinal configuration, with an end of the release sheet remote the first strip portion being attached to said one surface of the pad assembly with the second strip portion and release sheet in said reduced configuration, and with an inner surface of the release sheet being attached to said one surface of the pad assembly adjacent said inner fold lines.
Claim 9
Dependent Claim
162 words
A disposable diaper, comprising: an absorbent pad assembly having opposed surfaces, and a side edge; and a tape fastener comprising, a pressure-sensitive tape strip having an end portion attached to one of said surfaces of the pad assembly and a second portion extending from the first portion, and a release sheet having an outer release surface releasably attached to adhesive on the second strip portion, said second strip portion and release sheet having a plurality of outer lateral fold lines and a plurality of inner lateral fold lines defining a folded configuration of the second strip portion and release sheet of reduced longitudinal configuration, with an end of the release sheet remote the first strip portion being attached to said one surface of the pad assembly with the second strip portion and release sheet in said reduced configuration, and with an inner surface of the release sheet being attached to said one surface of the pad assembly adjacent said inner fold lines.
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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) | 1982-06-18 | 1982-12-18 | 1983-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-06-18 | 1986-12-18 | 1987-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-06-18 | 1990-12-18 | 1991-06-19 | $7700.00 | Window Closed / Lapsed |