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US4047530A Expired / Lapsed US ⏱️ 0.0 years remaining

Disposable diaper with fastener retained end barrier

Assignee: Colgate Palmolive Co
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Filing: 1976-08-19
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Granted: 1977-09-13
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Expires: 1996-08-19
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Abstract

Abstract A disposable diaper comprising, an absorbent pad assembly having a pair of side edges, a pair of end edges connecting the side edges, a front surface, a backing sheet of fluid impervious material defining a back surface of the pad assembly, an absorbent pad, and a laterally extending end section including the backing sheet adjacent one end edge of the pad assembly. The end section is folded along a fold line with a front surface of the end section facing the front surface of an underlying portion of the pad assembly adjacent the fold line. The diaper has a tape fastener comprising, a release sheet having a release back surface and having a first end portion secured to the back surface of the end section and a second end portion secured to the back surface of the pad assembly and spaced from the end section, with the release sheet retaining the end section in its overlying configuration. The fastener has a pressure-sensitive tape strip having a first portion secured to the diaper adjacent the second portion of the release sheet, and a second securement portion releasably attached to the release surface in the first end portion of the release sheet. The securement portion of the tape strip is removed from the release sheet to secure the diaper about the infant.

Inventors

  • 👤 Hamzeh Karami

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 01:46
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/494; A61F13/49466; A61F13/56; A61F13/58

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 219 words
A disposable diaper, comprising: an absorbent pad assembly having a pair of side edges, a pair of end edges connecting the side edges, a front surface, a backing sheet of fluid impervious material defining a back surface of the pad assembly, an absorbent pad, and a laterally extending end section including the backing sheet adjacent one end edge of the pad assembly, said end section being folded along a lateral fold line with a front surface of the end section facing the front surface of an underlying portion of the pad assembly adjacent said fold line; and a tape fastener comprising, a release sheet having a release back surface and having a first end portion secured to the back surface of said end section and a second end portion secured to the back surface of the pad assembly and spaced from said end section, with said release sheet retaining the end section in its overlying configuration, said fastener having a pressure-sensitive tape strip having a first portion secured to the diaper adjacent said second portion of the release sheet, and a second securement portion releasably attached to the release surface in the first end portion of the release sheet, said securement portion of the tape strip being removed from the release sheet to secure the diaper about the infant.
Claim 2
Dependent Claim 219 words
A disposable diaper, comprising: an absorbent pad assembly having a pair of side edges, a pair of end edges connecting the side edges, a front surface, a backing sheet of fluid impervious material defining a back surface of the pad assembly, an absorbent pad, and a laterally extending end section including the backing sheet adjacent one end edge of the pad assembly, said end section being folded along a lateral fold line with a front surface of the end section facing the front surface of an underlying portion of the pad assembly adjacent said fold line; and a tape fastener comprising, a release sheet having a release back surface and having a first end portion secured to the back surface of said end section and a second end portion secured to the back surface of the pad assembly and spaced from said end section, with said release sheet retaining the end section in its overlying configuration, said fastener having a pressure-sensitive tape strip having a first portion secured to the diaper adjacent said second portion of the release sheet, and a second securement portion releasably attached to the release surface in the first end portion of the release sheet, said securement portion of the tape strip being removed from the release sheet to secure the diaper about the infant.
Claim 3
Dependent Claim 13 words
The diaper of claim 1 wherein said end section overlies said absorbent pad.
Claim 4
Dependent Claim 19 words
The diaper of claim 1 wherein said fold line is located adjacent an end edge of the absorbent pad.
Claim 5
Dependent Claim 27 words
The diaper of claim 3 wherein said fold line is located intermediate the end edge of the pad and said one end edge of the pad assembly.
Claim 6
Dependent Claim 21 words
The diaper of claim 1 wherein said securement portion of the tape strip includes tab means at an outer end thereof.

References Cited (Backward Citations)

US2714889A Cited
US3089494A Cited
US3150664A Cited
US3646937A Cited
US3978861A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-09-12 1981-03-14 1981-09-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-09-12 1985-03-14 1985-09-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-09-12 1989-03-14 1989-09-13 $7700.00 Window Closed / Lapsed

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