US4461795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marks for use in rubber articles
Assignee: Bridgestone Corp
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Filing: 1983-02-28
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Granted: 1984-07-24
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Expires: 2003-02-28
Abstract
Abstract A mark for use in rubber article is disclosed, which comprises a chromatic rubber composition layer containing not less than 30 parts by weight of at least one of chloroprene rubber and chlorosulfonated polyethylene rubber and having a thickness of 0.1 to 1.5 mm, an antioxidant-migration film barrier selected from polyester film, nylon film, vinylidene chloride film and vinylidene chloride-vinyl chloride copolymer film and having a thickness of 3 to 100 μm, and an adhesive layer of thermoplastic polyester or polyurethane having a thickness of 0.005 to 0.5 mm.
Inventors
- 👤 Masaki Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:32
CPC Classifications
B; B60; B60C; B60C13/00; B60C13/001; B44; B44C; B44C1/00; B44C1/10; B44C1/105; C; C09; C09J; C09J7/00; C09J7/20; C09J7/22; C09J7/30; C09J7/35; G; G09; G09F; G09F7/00; G09F7/16; B29; B29D; B29D30/00; B29D30/06; B29D30/72; B29D2030/728; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10855; Y10T428/00; Y10T428/21; Y10T428/216; Y10T428/24; Y10T428/24628; Y10T428/24736; Y10T428/24942; Y10T428/24983; Y10T428/26; Y10T428/269; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/2848; Y10T428/31504; Y10T428/31551; Y10T428/31562; Y10T428/31569; Y10T428/31573; Y10T428/3158; Y10T428/31583; Y10T428/31587; Y10T428/31725; Y10T428/31736; Y10T428/31739; Y10T428/31743; Y10T428/31746; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
98 words
A mark for use in rubber article comprising a chromatic rubber composition layer containing not less than 30 parts by weight of at least one of chloroprene rubber and chlorosulfonated polyethylene rubber per 100 parts by weight of total rubber content and having a thickness of 0.1 to 1.5 mm, an antioxidant-migration film barrier selected from polyester film, nylon film, vinylidene chloride film and vinylidene chloride-vinyl chloride copolymer film and having a thickness of 3 to 100 μm, and an adhesive layer selected from thermoplastic polyesters and thermoplastic polyurethanes and having a thickness of 0.005 to 0.5 mm.
Claim 2
Dependent Claim
98 words
A mark for use in rubber article comprising a chromatic rubber composition layer containing not less than 30 parts by weight of at least one of chloroprene rubber and chlorosulfonated polyethylene rubber per 100 parts by weight of total rubber content and having a thickness of 0.1 to 1.5 mm, an antioxidant-migration film barrier selected from polyester film, nylon film, vinylidene chloride film and vinylidene chloride-vinyl chloride copolymer film and having a thickness of 3 to 100 μm, and an adhesive layer selected from thermoplastic polyesters and thermoplastic polyurethanes and having a thickness of 0.005 to 0.5 mm.
Claim 3
Dependent Claim
37 words
A mark for use in rubber article according to claim 1, wherein said mark has a three-layer structure obtained by laminating said chromatic rubber composition layer, said antioxidant-migration film barrier and said adhesive layer in this order.
Claim 4
Dependent Claim
40 words
A mark for use in rubber article according to claim 1, wherein said mark has a four-layer structure obtained by laminating said chromatic rubber composition layer, said adhesive layer, said antioxidant-migration film barrier and said adhesive layer in this order.
Claim 5
Dependent Claim
58 words
A mark for use in rubber article according to claim 1, wherein said mark further comprises a shock-absorbing rubber composition layer containing not less than 30 parts by weight of at least one of chloroprene rubber and chlorosulfonated polyethylene rubber per 100 parts by weight of total rubber content and having a thickness of 0.1 to 1.5 mm.
Claim 6
Dependent Claim
48 words
A mark for use in rubber article according to claim 4, wherein said mark has a six-layer structure obtained by laminating said chromatic rubber composition layer, said adhesive layer, said antioxidant-migration film barrier, said adhesive layer, said shock-absorbing rubber composition layer and said adhesive layer in this order.
Claim 7
Dependent Claim
23 words
A mark for use in rubber article according to claim 1, wherein said mark has a total thickness of 0.25 to 3.0 mm.
Claim 8
Dependent Claim
26 words
A mark for use in rubber article according to claim 1, wherein said chlorosulfonated polyethylene rubber has a chlorine content of 25 to 43% by weight.
Claim 9
Dependent Claim
21 words
A mark for use in rubber article according to claim 7, wherein said chlorine content is 30 to 43% by weight.
Claim 10
Dependent Claim
27 words
A mark for use in rubber article according to claim 1, wherein said thermoplastic polyester and thermoplastic polyurethane having a softening point of 80° to 200° C.
Claim 11
Dependent Claim
40 words
A mark for use in rubber article according to claim 1, wherein said thermoplastic polyester and thermoplastic polyurethane have a hardness of 60° to 96° as measured at 30° C. by a spring hardness test (A-type) according to JIS K-6301.
Claim 12
Dependent Claim
40 words
A mark for use in rubber article according to claim 1, wherein said chromatic rubber composition layer has a hardness of not more than 70° as measured at 30° C. by a spring hardness test (A-type) according to JIS K-6301.
Claim 13
Dependent Claim
45 words
A mark for use in rubber article according to claim 1, wherein said chromatic rubber composition layer contains not less than 50 parts by weight of at least one of chloroprene rubber and chlorosulfonated polyethylene rubber per 100 parts by weight of total rubber content.
Claim 14
Dependent Claim
45 words
A mark for use in rubber article according to claim 4, wherein said shock-absorbing rubber composition layer contains not less than 50 parts by weight of at least one of chloroprene rubber and chlorosulfonated polyethylene rubber per 100 parts by weight of total rubber content.
Claim 15
Dependent Claim
26 words
A mark for use in rubber article according to claim 1, wherein said chromatic rubber composition layer is provided at its surface with a protective coating.
Claim 16
Dependent Claim
26 words
A mark for use in rubber article according to claim 1, wherein said chromatic rubber composition layer is provided at its surface with an indicative print.
Claim 17
Dependent Claim
168 words
A mark for use in rubber article comprising a four-layer structure obtained by laminating a chromatic rubber composition layer containing not less than 50 parts by weight of chlorosulfonated polyethylene rubber with a chlorine content of not less than 30% by weight per 100 parts by weight of total rubber content and having a thickness of 0.1 to 1.0 mm, a nylon copolymer film barrier having a thickness of 0.008 to 0.3 mm and a softening point of 100° to 180° C., a shock-absorbing rubber composition layer containing not less than 50 parts by weight of chlorosulfonated polyethylene rubber with a chlorine content of not less than 30% by weight per 100 parts by weight of total rubber content and having a thickness of 0.1 to 1.5 mm and an adhesive layer of thermoplastic polyester or thermoplastic polyurethane having a thickness of 0.005 to 0.2 mm and a softening point of 80° to 200° C. in this order, and having a total thickness of 0.25 to 3.0 mm.
Claim 18
Dependent Claim
168 words
A mark for use in rubber article comprising a four-layer structure obtained by laminating a chromatic rubber composition layer containing not less than 50 parts by weight of chlorosulfonated polyethylene rubber with a chlorine content of not less than 30% by weight per 100 parts by weight of total rubber content and having a thickness of 0.1 to 1.0 mm, a nylon copolymer film barrier having a thickness of 0.008 to 0.3 mm and a softening point of 100° to 180° C., a shock-absorbing rubber composition layer containing not less than 50 parts by weight of chlorosulfonated polyethylene rubber with a chlorine content of not less than 30% by weight per 100 parts by weight of total rubber content and having a thickness of 0.1 to 1.5 mm and an adhesive layer of thermoplastic polyester or thermoplastic polyurethane having a thickness of 0.005 to 0.2 mm and a softening point of 80° to 200° C. in this order, and having a total thickness of 0.25 to 3.0 mm.
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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) | 1987-07-24 | 1988-01-23 | 1988-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-24 | 1992-01-23 | 1992-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-24 | 1996-01-23 | 1996-07-24 | $7700.00 | Window Closed / Lapsed |