Patent US3952744A successfully refreshed from Google Patents.
US3952744A
Expired / Lapsed
US
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Tape attachment system for disposable diapers
Assignee: Kimberly Clark Corp
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Filing: 1975-03-28
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Granted: 1976-04-27
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Expires: 1995-03-28
Abstract
Abstract A pressure sensitive tape attachment system for disposable diapers in which the strippable protective release sheet for the pressure sensitive tape has one end permanently secured to the outer or non-body contacting surface of the diaper. The protective sheet remains attached to the outer surface of the diaper when the latter is worn.
Inventors
- 👤 Karl E. Aldinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:47
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/56; A61F13/58
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
195 words
In a tape fastening system for a disposable diaper which has pressure-sensitive adhesive fastening tapes disposed at opposite corners of one end thereof for fastening the diaper about the waist, wherein said diaper comprises an absorbent core disposed between a bottom backing sheet and a top body-contacting cover sheet, wherein said tape has pressure sensitive adhesive on one surface, and wherein one end portion of said tape has a surface permanently attached to said backing sheet near one corner of the diaper and an opposite non-adhering surface the other end portion of the tape is free and has a length to extend beyond the edge of said diaper, the improvement comprising a means for holding said tape wherein said free end portion is folded back over the attached end portion of said tape with the non-adherent surfaces of the tape in contact and the pressure sensitive adhesive surface of said folded-over free end portion is releasably covered by an elongate release-coated protective sheet, a section of said protective sheet having a portion extending beyond the folded portion of said tape and a terminal portion of said protective sheet being permanently secured to said backing sheet.
Claim 2
Dependent Claim
195 words
In a tape fastening system for a disposable diaper which has pressure-sensitive adhesive fastening tapes disposed at opposite corners of one end thereof for fastening the diaper about the waist, wherein said diaper comprises an absorbent core disposed between a bottom backing sheet and a top body-contacting cover sheet, wherein said tape has pressure sensitive adhesive on one surface, and wherein one end portion of said tape has a surface permanently attached to said backing sheet near one corner of the diaper and an opposite non-adhering surface the other end portion of the tape is free and has a length to extend beyond the edge of said diaper, the improvement comprising a means for holding said tape wherein said free end portion is folded back over the attached end portion of said tape with the non-adherent surfaces of the tape in contact and the pressure sensitive adhesive surface of said folded-over free end portion is releasably covered by an elongate release-coated protective sheet, a section of said protective sheet having a portion extending beyond the folded portion of said tape and a terminal portion of said protective sheet being permanently secured to said backing sheet.
Claim 3
Dependent Claim
44 words
The tape fastening system of claim 1 wherein the backing sheet of said diaper is provided with a small area of low tack adhesive positioned to receive and hold the unsecured end of said protective sheet after said sheet is stripped from said tape.
Claim 4
Dependent Claim
27 words
The tape fastening system of claim 2 wherein the release-coated side of the terminal portion of said protective sheet is the side secured to said backing sheet.
Claim 5
Dependent Claim
27 words
The tape fastening system of claim 2 wherein the non-release-coated side of the terminal portion of said protective sheet is the side secured to said backing sheet.
Claim 6
Dependent Claim
32 words
The tape fastening system of claim 4 wherein said area of low tack adhesive is disposed on the non-adherent surface of the tape located between the folded over portions of said tape.
References Cited (Backward Citations)
US3901239A
Cited
US3900031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-27 | 1979-10-27 | 1980-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-27 | 1983-10-27 | 1984-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-27 | 1987-10-27 | 1988-04-27 | $7700.00 | Window Closed / Lapsed |