US5066289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Release treated non-woven fastening tape protector
Assignee: 3M Co
•
Filing: 1990-04-09
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Granted: 1991-11-19
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Expires: 2010-04-09
Abstract
Abstract There is provided an improved two-point diaper closure system comprised of inner mechanical and outer adhesive fastening means. The outer adhesive fastening means is used in conjuction with a release treated foraminous tab located on the diaper top sheet.
Inventors
- 👤 Stephen P. Polski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:38
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/56; A61F13/58; A61F13/60
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
121 words
A two-point side fastening diaper comprising a first fastening means with at least an adhesive fastening tab means, and an associated adhesive release tab means both disposed at at least one corner of a first end of the diaper such that the fastening tab means can be folded over into engagement with the release tab means, said adhesive release tab comprising a foraminous substrate treated with a release agent, a second fastening means comprising a mechanical fastening element located at a corner at a second end of said diaper, wherein when said corners on the same side and different ends of said diaper are overlapped to close said diaper, said mechanical fastening element is capable of mechanically engaging said release tab.
Claim 2
Dependent Claim
121 words
A two-point side fastening diaper comprising a first fastening means with at least an adhesive fastening tab means, and an associated adhesive release tab means both disposed at at least one corner of a first end of the diaper such that the fastening tab means can be folded over into engagement with the release tab means, said adhesive release tab comprising a foraminous substrate treated with a release agent, a second fastening means comprising a mechanical fastening element located at a corner at a second end of said diaper, wherein when said corners on the same side and different ends of said diaper are overlapped to close said diaper, said mechanical fastening element is capable of mechanically engaging said release tab.
Claim 3
Dependent Claim
21 words
The diaper of claim 1 wherein said release tab is intermittently sonically welded to a liquid permeable diaper top sheet face.
Claim 4
Dependent Claim
15 words
The diaper of claim 1 wherein said release tab is formed of a non-woven material.
Claim 5
Dependent Claim
17 words
The diaper of claim 1 wherein said release tab is treated with a silicon containing release agent.
Claim 6
Dependent Claim
67 words
The diaper of claim 1 wherein said first fastening means is located on a liquid impermeable back sheet at a first end of said diaper adapted to be positioned at the back side of an user and said second fastening means is located on said liquid impermeable back sheet at a second end of the diaper adapted to be positioned at the front side of a user.
Claim 7
Dependent Claim
34 words
The diaper of claim 5 wherein said second fastening means is located on the back sheet face of said diaper and said release tape is located on the top sheet face of said diaper.
Claim 8
Dependent Claim
99 words
A diaper comprising an outer shell, a liquid permeable non-woven topsheet which contacts the wearer, a non-woven release tab attached to said non-woven topsheet at a corner of said non-woven topsheet, and a diaper fastening tab adjacent the non-woven release tab to permit engagement therewith, said non-woven release tab comprising a non-woven substrate capable of engaging a mechanical fastener, which substrate has been treated with a release agent which resists permanent attachment to a pressure sensitive adhesive such as is used on a diaper fastening tab wherein the non-woven release tab is relatively soft and non-irritating to the wearer.
Claim 9
Dependent Claim
99 words
A diaper comprising an outer shell, a liquid permeable non-woven topsheet which contacts the wearer, a non-woven release tab attached to said non-woven topsheet at a corner of said non-woven topsheet, and a diaper fastening tab adjacent the non-woven release tab to permit engagement therewith, said non-woven release tab comprising a non-woven substrate capable of engaging a mechanical fastener, which substrate has been treated with a release agent which resists permanent attachment to a pressure sensitive adhesive such as is used on a diaper fastening tab wherein the non-woven release tab is relatively soft and non-irritating to the wearer.
Claim 10
Dependent Claim
15 words
The diaper of claim 7 wherein said release tab is formed of a non-woven material.
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) | 1994-11-18 | 1995-05-20 | 1995-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-11-18 | 1999-05-20 | 1999-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-11-18 | 2003-05-20 | 2003-11-19 | $7700.00 | Window Closed / Lapsed |