US3637003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite breaker belt for radial ply tire
Assignee: Imperial Chemical Industries Ltd
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Filing: 1966-09-02
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Granted: 1972-01-25
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Expires: 1986-09-02
Abstract
Abstract A tire having an embedded breaker belt, the belt being composed of one or more intermediate plies, which are relatively rigid in the lengthwise direction, sandwiched between plies which are relatively deformable in the lengthwise direction. The intermediate plies may be rayon, and the sandwiching plies may be nylon.
Inventors
- 👤 Brian Edward Clapson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:27
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/18; B60C9/20
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
70 words
A tire having a breaker belt embedded therein beneath the tread portion and above the carcass fabric and being approximately as wide as said tread portion, said breaker belt having at least one intermediate ply lying between other plies, said intermediate ply consisting predominantly of fibers which are relatively rigid in the lengthwise direction, and said other plies consisting predominantly of fibers which are relatively deformable in the lengthwise direction.
Claim 2
Dependent Claim
70 words
A tire having a breaker belt embedded therein beneath the tread portion and above the carcass fabric and being approximately as wide as said tread portion, said breaker belt having at least one intermediate ply lying between other plies, said intermediate ply consisting predominantly of fibers which are relatively rigid in the lengthwise direction, and said other plies consisting predominantly of fibers which are relatively deformable in the lengthwise direction.
Claim 3
Dependent Claim
16 words
A tire as claimed in claim 1 whereIn the relatively rigid fibers are made of rayon.
Claim 4
Dependent Claim
17 words
A tire as claimed in claim 1 wherein the relatively deformable fibers are made of nylon 66.
Claim 5
Dependent Claim
26 words
A tire as claimed in claim 1 wherein the relatively rigid fibers are made of rayon and the relatively deformable fibers are made of nylon 66.
Claim 6
Dependent Claim
24 words
A tire as in claim 1 wherein the ratio of the numbers of relatively deformable and relatively rigid plies is from 1:1 to 2:1.
References Cited (Backward Citations)
CA700790A
Cited
US2990870A
Cited
FR1275020A
Cited
US3233649A
Cited
US3240249A
Cited
US3242965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |