US3841376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tire and method of retreading
Assignee: Goodyear Tire and Rubber Co
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Filing: 1973-01-02
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Granted: 1974-10-15
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Expires: 1993-01-02
Abstract
Abstract A method of retreading a bias belted pneumatic tire which includes preparing the tire to receive a new tread, applying a layer of vulcanizable elastomeric material to the tire, wrapping a layer of square woven nylon having dentate lateral edges circumferentially about the tire with each dentate configuration extending from a point axially inwardly of to a point axially outwardly of the edge of the belt structure on the tire, providing tread stock circumferentially about the fabric and vulcanizing the tire under heat and pressure.
Inventors
- 👤 K Paulin
- 👤 M Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:00
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/52; B29D30/54
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
130 words
A method of providing a new tread on a pneumatic tire of the type having a carcass and a reinforcing structure extending circumferentially about the carcass and terminating in axial directions in the shoulder areas of the tire said method comprising preparing the tread area of the tire to receive a new tread, preparing a layer of square woven cord reinforced fabric having a length greater than its width and coated with a vulcanizable elastomeric material, providing a dentate configuration along at least one of the long edges of said fabric, and wrapping said fabric circumferentially about said tire such that the dentate configuration, on at least one side thereof, extends from a point axially inwardly of to a point axially outwardly of axially outer edge of said reinforcing structure.
Claim 2
Independent Claim
130 words
A method of providing a new tread on a pneumatic tire of the type having a carcass and a reinforcing structure extending circumferentially about the carcass and terminating in axial directions in the shoulder areas of the tire said method comprising preparing the tread area of the tire to receive a new tread, preparing a layer of square woven cord reinforced fabric having a length greater than its width and coated with a vulcanizable elastomeric material, providing a dentate configuration along at least one of the long edges of said fabric, and wrapping said fabric circumferentially about said tire such that the dentate configuration, on at least one side thereof, extends from a point axially inwardly of to a point axially outwardly of axially outer edge of said reinforcing structure.
Claim 3
Dependent Claim
19 words
A method as claimed in claim 1 wherein said dentate configuration is provided in the form of saw teeth.
Claim 4
Dependent Claim
28 words
A method as claimed in claim 2 further including interposing a layer of vulcanizable elastomeric material between said layer of cord reinforced fabric and the prepared tread area.
Claim 5
Dependent Claim
29 words
A method as claimed in claim 3 further including applying a layer of elastomeric material circumferentially about said reinforcing layer and then subjecting the tire to heat and pressure.
Claim 6
Dependent Claim
34 words
A method as claimed in claim 3 further including providing a layer of vulcanizable elastomeric material circumferentially about said reinforcing fabric, shaping and vulcanizing the new tread on the tire under heat and pressure.
Claim 7
Dependent Claim
80 words
A tire including a used vulcanized toroidally shaped carcass and a circumferentially extending vulcanized reinforcing structure disposed circumferentially about said tire and terminating in axial directions in the area of the tire shoulder said tire being characterized by a layer of square woven cord reinforced fabric embedded in unvulcanized elastomeric material and having its outer edges in a dentate configuration said fabric extending circumferentially about said reinforcing structure, and a layer of vulcanizable elastomeric material extending circumferentially about said fabric.
Claim 8
Dependent Claim
80 words
A tire including a used vulcanized toroidally shaped carcass and a circumferentially extending vulcanized reinforcing structure disposed circumferentially about said tire and terminating in axial directions in the area of the tire shoulder said tire being characterized by a layer of square woven cord reinforced fabric embedded in unvulcanized elastomeric material and having its outer edges in a dentate configuration said fabric extending circumferentially about said reinforcing structure, and a layer of vulcanizable elastomeric material extending circumferentially about said fabric.
Claim 9
Dependent Claim
36 words
A tire as claimed in claim 6 wherein the dentate configuration of said cord reinforced fabric extends from a point axially inwardly to a point axially outwardly of the respective lateral edges of said reinforcing structure.
Claim 10
Dependent Claim
37 words
A tire as claimed in claim 7 wherein said dentate edges are saw-tooth shaped with the amplitude of the teeth being equal to at least one-half inch and at least three-quarters of the pitch of the teeth.
Claim 11
Dependent Claim
16 words
A tire as claimed in claim 8 wherein said reinforcing fabric is made of nylon cord.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-14 | 1978-04-15 | 1978-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-14 | 1982-04-15 | 1982-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-14 | 1986-04-15 | 1986-10-15 | $7700.00 | Window Closed / Lapsed |