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US4074716A Expired / Lapsed US ⏱️ 0.0 years remaining

Diaper with elastic fastener tab

Assignee: Colgate Palmolive Co
•
Filing: 1977-01-03
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Granted: 1978-02-21
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Expires: 1997-01-03
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Abstract

Abstract A disposable diaper comprising, an absorbent pad assembly having opposed surfaces, a pair of side edges, and a pair of end edges connecting the side edges. The diaper has a tape fastener comprising, tape means having a first portion secured to one of the surfaces of the pad assembly, a securement portion for attachment to a spaced portion of the diaper, an extensible portion connecting the first and securement portions, and elastic means constraining expansion of the extensible portion.

Inventors

  • 👤 Charles H. Schaar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 09:07
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/493; A61F13/56; A61F13/58; Y; Y10; Y10S; Y10S24/00; Y10S24/11; Y10T; Y10T24/00; Y10T24/33

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 77 words
A disposable diaper, comprising: an absorbent pad assembly having opposed surfaces, a pair of side edges, and a pair of end edges connecting the side edges; and a tape fastener comprising, tape means having a first portion secured to one of said surfaces of the pad assembly, a securement portion for attachment to a spaced portion of the diaper, an extensible portion connecting said first and securement portions, and elastic means constraining expansion of said extensible portion.
Claim 2
Dependent Claim 77 words
A disposable diaper, comprising: an absorbent pad assembly having opposed surfaces, a pair of side edges, and a pair of end edges connecting the side edges; and a tape fastener comprising, tape means having a first portion secured to one of said surfaces of the pad assembly, a securement portion for attachment to a spaced portion of the diaper, an extensible portion connecting said first and securement portions, and elastic means constraining expansion of said extensible portion.
Claim 3
Dependent Claim 15 words
The diaper of claim 1 including release sheet means releasably attached to said securement portion.
Claim 4
Dependent Claim 32 words
The diaper of claim 2 wherein said first portion is located adjacent a side edge, and in which the release sheet means is attached to the other surface of said pad assembly.
Claim 5
Dependent Claim 20 words
The diaper of claim 2 wherein said release sheet means is attached to said one surface of the pad assembly.
Claim 6
Dependent Claim 26 words
The diaper of claim 4 wherein said first portion is spaced from said side edge, and said release sheet means is located adjacent said side edge.
Claim 7
Dependent Claim 19 words
The diaper of claim 4 wherein said tape means is generally aligned with an edge of the pad assembly.
Claim 8
Dependent Claim 19 words
The diaper of claim 6 wherein said tape means is located adjacent an end edge of the pad assembly.
Claim 9
Dependent Claim 16 words
The diaper of claim 4 wherein said release sheet means is located adjacent said first portion.
Claim 10
Dependent Claim 33 words
The diaper of claim 1 including a second tape means attached to the pad assembly and having a securement portion, an extensible central portion, and elastic means constraining expansion of the extensible portion.
Claim 11
Dependent Claim 25 words
The diaper of claim 9 wherein the first tape means is located intermediate the second tape means and an end edge of the pad assembly.
Claim 12
Dependent Claim 55 words
The diaper of claim 1 wherein said tape means includes a front adhesive bearing surface, said extensible portion comprises a fold in the tape means defining first and second sections folded with their front surfaces facing each other, and the elastic means extends across the extensible portion on the front surface of the tape means.
Claim 13
Dependent Claim 60 words
The diaper of claim 1 wherein said tape means includes a front adhesive bearing surface and an opposed back surface, said extensible portion comprises a fold in the tape means defining first and second sections folded with their back surfaces facing each other, and the elastic means extends across the extensible portion on the back surface of the tape means.
Claim 14
Dependent Claim 134 words
A disposable diaper, comprising: an absorbent pad assembly having opposed surfaces; and a tape fastener comprising, a pressure-sensitive tape strip having an adhesive bearing front surface, a first portion including at least a part thereof attached to one of said surfaces of the pad assembly, a securement portion remote the first portion, an extensible central portion having a fold defining a first section extending between the fold and said first portion and a second section extending between the fold and said securement portion, with the front surface of the first section facing the front surface of the second section, and an elastic strip extending across the extensible portion on the front surface of the tape strip, said elastic strip connected to said first portion and securement portion and constraining expansion of the extensible portion.
Claim 15
Dependent Claim 134 words
A disposable diaper, comprising: an absorbent pad assembly having opposed surfaces; and a tape fastener comprising, a pressure-sensitive tape strip having an adhesive bearing front surface, a first portion including at least a part thereof attached to one of said surfaces of the pad assembly, a securement portion remote the first portion, an extensible central portion having a fold defining a first section extending between the fold and said first portion and a second section extending between the fold and said securement portion, with the front surface of the first section facing the front surface of the second section, and an elastic strip extending across the extensible portion on the front surface of the tape strip, said elastic strip connected to said first portion and securement portion and constraining expansion of the extensible portion.
Claim 16
Dependent Claim 19 words
The diaper of claim 13 wherein the front surfaces of said first and second sections are free of adhesive.
Claim 17
Dependent Claim 30 words
The diaper of claim 13 wherein the front surfaces of the first and second sections include adhesive, and including sheet means covering the adhesive on the first and second sections.
Claim 18
Dependent Claim 25 words
The diaper of claim 13 wherein the elastic strip has opposed ends secured to the tape strip by adhesive on the first and securement portions.
Claim 19
Dependent Claim 18 words
The diaper of claim 13 wherein the elastic strip includes adhesive attached to said first and securement portions.
Claim 20
Dependent Claim 24 words
The diaper of claim 17 wherein adhesive on opposed ends of the elastic strip are attached to adhesive on the first and securement portions.
Claim 21
Dependent Claim 31 words
The diaper of claim 13 including a pair of relatively short anchoring strips having an adhesive bearing surface securing opposed ends of the elastic strip to said first and securement portions.
Claim 22
Dependent Claim 60 words
The diaper of claim 13 including an anchoring strip having a length greater than the length of the elastic strip, an adhesive bearing surface attaching to an outer surface of the elastic strip, opposed ends attached to said first and securement portions, and a slit separating opposed ends of the anchoring strip intermediate the opposed ends of the elastic strip.
Claim 23
Dependent Claim 59 words
The diaper of claim 13 wherein said first portion of the tape strip is spaced from a side edge of the pad assembly, and including a release sheet attached to said one surface of the pad assembly adjacent said side edge, with adhesive on said securement portion being releasably attached to an outer release surface of the release sheet.
Claim 24
Dependent Claim 70 words
The diaper of claim 13 wherein said first portion is attached to said one surface adjacent a side edge of the pad assembly, and including a release sheet attached to the other surface of the pad assembly adjacent said side edge, with adhesive on said securement portion being releasably attached to an outer release surface of the release sheet, and with said extensible portion being located adjacent said side edge.

References Cited (Backward Citations)

US3530859A Cited
US3771524A Cited
US3800796A Cited
US3920016A Cited
US3920018A Cited
US3995638A Cited
US4036233A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-02-20 1981-08-22 1982-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-02-20 1985-08-22 1986-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-02-20 1989-08-22 1990-02-21 $7700.00 Window Closed / Lapsed

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