US5143774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonwoven fibrous embossed plastic film
Assignee: Clopay Plastic Products Co Inc
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Filing: 1989-09-01
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Granted: 1992-09-01
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Expires: 2009-09-01
Abstract
Abstract An embossed thermoplastic liquid barrier film is disclosed having a visible nonwoven fibrous three-dimensionally embossed pattern in the film on both sides. The films have thicknesses of about 0.5 to about 2 mils and an embossed depth to provide the visible nonwoven fibrous three-dimensionally embossed pattern with the film having a soft hand feel.
Inventors
- 👤 Leopoldo Cancio
- 👤 Thomas C. Ryle
- 👤 Pai-Chuan Wu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:21
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/51; A61F13/514; A61F13/51474; A61F13/51476; A61F13/51401; A61F13/51498; B; B29; B29C; B29C59/00; B29C59/02; B29C59/022; B31; B31F; B31F1/00; B31F1/07; A61F2013/51409; A61F2013/51486; A61F2013/5149; A61F2013/51492; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/0608; B29K2023/0633; B29K2023/0641; B29K2023/10; B29K2023/12; B31F2201/00; B31F2201/07; B31F2201/0707; B31F2201/0715; B31F2201/0723; B31F2201/0733; B31F2201/0756; B31F2201/0758; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/24587; Y10T428/24595; Y10T428/24603
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
132 words
An embossed thermoplastic liquid barrier film having a nonwoven fibrous three-dimensionally embossed pattern in the film on both sides, said film having a thickness of about 0.5 to about 2 mils and an embossed depth sufficient to provide the embossed pattern comprising, on the film top side, raised random fiber bosses intersecting other random fiber bosses, said bosses raised at different heights and having depressed areas therebetween to provide said visible pattern and on the opposite film side another visible nonwoven fibrous embossed pattern is provided substantially corresponding to and underlying said film top side pattern, said top side pattern of raised random fiber bosses and depressed areas therebetween overly respectively corresponding depressed fiber areas and raised fiber bosses on the underside of said film, said film having a soft hand feel.
Claim 2
Dependent Claim
132 words
An embossed thermoplastic liquid barrier film having a nonwoven fibrous three-dimensionally embossed pattern in the film on both sides, said film having a thickness of about 0.5 to about 2 mils and an embossed depth sufficient to provide the embossed pattern comprising, on the film top side, raised random fiber bosses intersecting other random fiber bosses, said bosses raised at different heights and having depressed areas therebetween to provide said visible pattern and on the opposite film side another visible nonwoven fibrous embossed pattern is provided substantially corresponding to and underlying said film top side pattern, said top side pattern of raised random fiber bosses and depressed areas therebetween overly respectively corresponding depressed fiber areas and raised fiber bosses on the underside of said film, said film having a soft hand feel.
Claim 3
Dependent Claim
21 words
The embossed film of claim 1 wherein said thermoplastic is selected from the group consisting of polyethylene, polypropylene and copolymers thereof.
Claim 4
Dependent Claim
27 words
The embossed film of claim 1 wherein said film has a thickness on the order of about 1 mil and an embossed depth of about 8 mils.
Claim 5
Dependent Claim
15 words
The embossed film of claim 1 wherein said thermoplastic is low to medium density polyethylene.
Claim 6
Dependent Claim
149 words
An embossed polyethylene liquid barrier diaper or pad film for disposable hygenic and surgical liquid barrier applications having a visible nonwoven fibrous three-dimensionally embossed pattern in the film on both sides, said film having a thickness of about 0.5 to about 2 mils and an embossed depth of about 6 to about 10 mils wherein the embossed pattern comprising, on the film top side raised random fiber bosses intersecting other random fiber bosses, said bosses raised at different heights and having depressed areas therebetween to provide said visible pattern and on the opposite film side another visible nonwoven fibrous embossed pattern is provided substantially corresponding to and underlying said film top side pattern, said top side pattern of raised random fiber bosses and depressed areas therebetween overly respectively corresponding depressed fiber areas and raised fiber bosses on the underside of said film, said film having a soft hand feel.
Claim 7
Dependent Claim
149 words
An embossed polyethylene liquid barrier diaper or pad film for disposable hygenic and surgical liquid barrier applications having a visible nonwoven fibrous three-dimensionally embossed pattern in the film on both sides, said film having a thickness of about 0.5 to about 2 mils and an embossed depth of about 6 to about 10 mils wherein the embossed pattern comprising, on the film top side raised random fiber bosses intersecting other random fiber bosses, said bosses raised at different heights and having depressed areas therebetween to provide said visible pattern and on the opposite film side another visible nonwoven fibrous embossed pattern is provided substantially corresponding to and underlying said film top side pattern, said top side pattern of raised random fiber bosses and depressed areas therebetween overly respectively corresponding depressed fiber areas and raised fiber bosses on the underside of said film, said film having a soft hand feel.
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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) | 1995-09-01 | 1996-03-02 | 1996-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-09-01 | 2000-03-02 | 2000-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-09-01 | 2004-03-02 | 2004-09-01 | $7700.00 | Window Closed / Lapsed |