Patent US4454903A successfully refreshed from Google Patents.
US4454903A
Expired / Lapsed
US
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Multi-ply belt pneumatic tire
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1983-05-12
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Granted: 1984-06-19
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Expires: 2003-05-12
Abstract
Abstract A pneumatic tire having a multi-ply reinforcing belt around a radial carcass. The plies of the belt are reinforced by non-metallic cords and the belt is protected from damage by an outer steel cord reinforced ply.
Inventors
- 👤 Daniel R. F. Noel
- 👤 Alain F. Florence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:37
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/18; B60C9/20; B60C9/2003; B60C9/2009; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10135; Y10T152/10171; Y10T152/1018; Y10T152/10189; Y10T152/10207
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
46 words
A pneumatic tire having a multi-ply circumferential reinforcing belt of non-metallic cord reinforced plies, and a steel cord reinforced ply radially outwardly of the non-metallic cord plies and which is of at least the same axial width as the radially outer-most ply of the reinforcing belt.
Claim 2
Dependent Claim
46 words
A pneumatic tire having a multi-ply circumferential reinforcing belt of non-metallic cord reinforced plies, and a steel cord reinforced ply radially outwardly of the non-metallic cord plies and which is of at least the same axial width as the radially outer-most ply of the reinforcing belt.
Claim 3
Dependent Claim
29 words
A tire as claimed in claim 1 wherein the axial width of the steel cord ply is equal to the width of the outermost ply of the non-metallic plies.
Claim 4
Dependent Claim
18 words
A tire as claimed in claim 1 wherein the non-metallic cord of the reinforcing belt is aramid cord.
Claim 5
Dependent Claim
32 words
A tire as claimed in one of claim 1, claim 2 or claim 3 wherein the steel cords make a bias angle of between 0°-10° with the mid-circumferential plane of the tire.
Claim 6
Dependent Claim
34 words
A tire as claimed in claim 1 or claim 3 wherein the non-metallic cords of the plies of the reinforcing belt make an angle of between 15°-25° with the mid-circumferential plane of the tire.
Claim 7
Dependent Claim
25 words
A tire as claimed in claim 5 wherein the steel cords make a bias angle of between 15°-25° with the midcircumferential plane of the tire.
Claim 8
Dependent Claim
28 words
A pneumatic tire as claimed in claim 1, wherein the steel cord reinforced ply is of the same axial width as the widest ply of the reinforcing belt.
References Cited (Backward Citations)
US2786507A
Cited
SU144413A1
Cited
US3831656A
Cited
US4218277A
Cited
US4407347A
Cited
GB1603058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-06-19 | 1987-12-19 | 1988-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-19 | 1991-12-19 | 1992-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-19 | 1995-12-19 | 1996-06-19 | $7700.00 | Window Closed / Lapsed |