Radial tire with enhanced bead durability

Details Radial tire with enhanced bead durability Radial tire with enhanced bead durability

1992-11-04

1996-08-20

Johnstone, Adrienne C.

Resilient tires and wheels

Tires, resilient

Anti-skid devices

152454, 152531, 152539, 152548, 152556, B60C 904, B60C 908, B60C10100, B60C12500

Patent

active

055470050

ABSTRACT:
A radial tire having a carcass extending from a tread through sidewalls to a bead core in each of two bead parts and turned up around the bead cores. The tire includes a belt layer disposed on the outside of the tire in the tire radial direction of the carcass in the tread portion and a cut breaker disposed between the carcass and the belt layer. Each carcass ply has cords that are buried in topping rubber and arranged independently in parallel to each other within the same plane without linking wefts. In a region from the bead bottom to the turned up end of the carcass, the distance between cords in adjacent carcass plies is within a range of 1/4 to 2 times a diameter K1 of the carcass cord.

REFERENCES:
patent: 3298417 (1967-01-01), Keafe, Jr.
patent: 4044810 (1977-08-01), Taniguchi et al.
patent: 4244414 (1981-01-01), Uemura et al.
patent: 4262721 (1981-04-01), Tadokoro et al.
patent: 4832102 (1989-05-01), Domchick
Mechanics of Pneumatic Tires, ed. Samuel Clark: U.S. Dept. of Transportation, Aug. 1981, pp. 130-131.
Clark, Samuel K. Mechanics of Pneumatic Tires Aug. 1981, p. 216.

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