US4276341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wet suit material and wet suit made thereof
Assignee: Asahi Gomu KK
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Filing: 1979-10-22
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Granted: 1981-06-30
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Expires: 1999-10-22
Abstract
Abstract A wet suit material comprising a synthetic rubber sponge sheet, and a stretch fabric and a polyurethane film which are both bonded to and sandwich the synthetic rubber sponge sheet. The wet suit material of this invention may further comprise a stretch fabric between the synthetic rubber sponge sheet and the polyurethane film. A wet suit made of the wet suit material of the kind described above is excellent in water repellency, stretchability, heat retaining properties, workability, style and so on. A colorful wet suit can also be provided according to this invention.
Inventors
- 👤 Kazuyoshi Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:31
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; B32B5/245; A; A41; A41D; A41D31/00; A41D31/04; A41D31/06; A41D31/065; B32B25/00; B32B25/10; B32B27/00; B32B27/06; B32B27/065; B32B27/12; B32B27/40; B32B5/02; B32B5/18; B32B38/00; B32B38/0012; B32B2038/0028; B32B2305/00; B32B2305/02; B32B2305/022; B32B2307/00; B32B2307/40; B32B2307/402; B32B2375/00; B32B2419/00; B32B2437/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249982; Y10T428/249987; Y10T428/249991; Y10T428/31504; Y10T428/31551; Y10T428/31573; Y10T428/3158; Y10T442/00; Y10T442/30; Y10T442/3008; Y10T442/3016
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
86 words
A wet suit formed of a closed pore, continuous, synthetic rubber sponge sheet, a stretch fabric adhesively bonded to the interior surface of the synthetic rubber sponge sheet and a polyurethane film fixed by adhesive bonding exteriorly of the synthetic rubber sponge sheet and forming the exterior surface of the wet suit, said stretch fabric and sponge sheet and polyurethane film being substantially coextensive in area and forming a continuous laminate wherein said sponge sheet provides a substantially unbroken exterior support surface for said polyurethane film.
Claim 2
Dependent Claim
86 words
A wet suit formed of a closed pore, continuous, synthetic rubber sponge sheet, a stretch fabric adhesively bonded to the interior surface of the synthetic rubber sponge sheet and a polyurethane film fixed by adhesive bonding exteriorly of the synthetic rubber sponge sheet and forming the exterior surface of the wet suit, said stretch fabric and sponge sheet and polyurethane film being substantially coextensive in area and forming a continuous laminate wherein said sponge sheet provides a substantially unbroken exterior support surface for said polyurethane film.
Claim 3
Dependent Claim
26 words
A wet suit as claimed in claim 1, which further comprises a stretch fabric adhesively bonded between the synthetic rubber sponge sheet and the polyurethane film.
Claim 4
Dependent Claim
23 words
A wet suit as claimed in claim 1 or 2, wherein the synthetic rubber sponge sheet is a white synthetic rubber sponge sheet.
Claim 5
Dependent Claim
19 words
A wet suit as claimed in claim 1 or 2, wherein the polyurethane film is a colored polyurethane film.
Claim 6
Dependent Claim
45 words
A wet suit formed of a laminate comprising a polyurethane film provided on the exterior surface of said laminate, a stretch fabric provided on the interior surface of said laminate and a synthetic rubber sponge sheet disposed between said polyurethane film and said stretch fabric.
Claim 7
Dependent Claim
45 words
A wet suit formed of a laminate comprising a polyurethane film provided on the exterior surface of said laminate, a stretch fabric provided on the interior surface of said laminate and a synthetic rubber sponge sheet disposed between said polyurethane film and said stretch fabric.
Claim 8
Dependent Claim
39 words
A wet suit as claimed in claim 5, wherein said sponge sheet is of chloroprene rubber and said polyurethane film has a thickness in the range of 0.01 mm to 0.05 mm and said stretch fabric is of nylon.
Claim 9
Dependent Claim
138 words
A wet suit formed of a closed pore, continuous, synthetic rubber sponge sheet, said sponge sheet being of white chloroprene rubber, a nylon stretch fabric adhesively bonded with a chloroprene-type adhesive to the interior surface of said synthetic rubber sponge sheet, a polyurethane film fixed by adhesive bonding with a urethane-type or chloroprene-type adhesive exteriorly of the synthetic rubber sponge sheet and forming the exterior surface of the wet suit, said polyurethane film having a thickness in the range of 0.01 mm to 0.05 mm and being a colored polyurethane film, the brightness of which is enhanced by the white sponge sheet backing same, said stretch fabric and sponge sheet and polyurethane film being substantially coextensive in area and forming a continuous laminate wherein said sponge sheet provides a substantially unbroken exterior support surface for said polyurethane film.
Claim 10
Dependent Claim
138 words
A wet suit formed of a closed pore, continuous, synthetic rubber sponge sheet, said sponge sheet being of white chloroprene rubber, a nylon stretch fabric adhesively bonded with a chloroprene-type adhesive to the interior surface of said synthetic rubber sponge sheet, a polyurethane film fixed by adhesive bonding with a urethane-type or chloroprene-type adhesive exteriorly of the synthetic rubber sponge sheet and forming the exterior surface of the wet suit, said polyurethane film having a thickness in the range of 0.01 mm to 0.05 mm and being a colored polyurethane film, the brightness of which is enhanced by the white sponge sheet backing same, said stretch fabric and sponge sheet and polyurethane film being substantially coextensive in area and forming a continuous laminate wherein said sponge sheet provides a substantially unbroken exterior support surface for said polyurethane film.
Claim 11
Dependent Claim
46 words
A wet suit as claimed in claim 7 and further comprising a second stretch fabric adhesively bonded between said synthetic rubber sponge sheet and said polyurethane film, with said second stretch fabric being a thin stretch cloth having a better stretchability than said first-mentioned stretch fabric.
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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) | 1984-06-29 | 1984-12-29 | 1985-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-29 | 1988-12-29 | 1989-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-29 | 1992-12-29 | 1993-06-30 | $7700.00 | Window Closed / Lapsed |