US3794097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tire
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1972-11-02
•
Granted: 1974-02-26
•
Expires: 1992-11-02
Abstract
Abstract A pneumatic tire with flat wire cords in the carcass plies and breaker strips for annularly reinforcing the tire.
Inventors
- 👤 G Kind
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:35
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/0007; B60C9/18; B60C9/20; B60C9/2003; B60C9/2006
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
182 words
A pneumatic tire, comprising: a. a tread; b. a pair of beads; c. a pair of sidewalls extending from the tread and terminating at the beads; d. at least one carcass ply with reinforcement cords disposed at similar angles in the range of from 70* to 90* measured from the centerplane of the tire; e. at least one pair of breakers disposed circumferentially around the carcass ply in the area of the tread, each of the breaker plies including reinforcement cords disposed at similar angles in the range of from 10* to 45* measured from the centerplane of the tire, the reinforcement cords of the breakers being metal, the gauge (G) of each breaker cord being in the range of from 0.12 to 1 millimeters and the width (W) of each breaker cord being in the range of from 0.5 to 2 millimeters; and f. means for increasing the surface area of each of the metal breaker cords contacted by rubber material of the tire, said means including a Plurality of grooves which extend longitudinally in each of the metal breaker cords.
Claim 2
Dependent Claim
182 words
A pneumatic tire, comprising: a. a tread; b. a pair of beads; c. a pair of sidewalls extending from the tread and terminating at the beads; d. at least one carcass ply with reinforcement cords disposed at similar angles in the range of from 70* to 90* measured from the centerplane of the tire; e. at least one pair of breakers disposed circumferentially around the carcass ply in the area of the tread, each of the breaker plies including reinforcement cords disposed at similar angles in the range of from 10* to 45* measured from the centerplane of the tire, the reinforcement cords of the breakers being metal, the gauge (G) of each breaker cord being in the range of from 0.12 to 1 millimeters and the width (W) of each breaker cord being in the range of from 0.5 to 2 millimeters; and f. means for increasing the surface area of each of the metal breaker cords contacted by rubber material of the tire, said means including a Plurality of grooves which extend longitudinally in each of the metal breaker cords.
Claim 3
Dependent Claim
12 words
The tire of claim 1, wherein the breaker cords are flat wires.
Claim 4
Dependent Claim
43 words
The tire of claim 1, wherein the reinforcement cords of the carcass ply are also metal and have a gauge (G) in the range of from 0.12 to 1 millimeters and a width (W) in the range of from 0.5 to 2 millimeters.
Claim 5
Dependent Claim
12 words
The tire of claim 1, wherein the grooves have a V-shaped cross-section.
Claim 6
Dependent Claim
12 words
The tire of claim 1, wherein the grooves have a U-shaped cross-section.
References Cited (Backward Citations)
US3667529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |