Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1992-04-29
1994-10-18
Ball, Michael W.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152526, 152528, B60C 926, B60C 1104
Patent
active
053559223
ABSTRACT:
A pneumatic radial tire for passenger cars having a plurality of grooves formed in the tread and extending at least circumferentially of the tire, the tread being provided with two belt plies therein. The grooves have a depth in the range of 6.0 to 8.5 mm, with the thickness of the under-groove rubber layer from the bottom of the grooves to the outer belt ply being fixed within the range of 0.5 to 2.5 mm. The belt plies are both made from aramid fiber cords, or either belt ply is made from aramid fiber cords and the other ply from steel cords. The both edge portions of at least one of the belt plies are folded back toward the center of the tread at a fold percentage of 8 to 100 percent.
REFERENCES:
patent: 4273177 (1981-06-01), Nybakken
patent: 4722381 (1988-02-01), Hopkins et al.
patent: 4749016 (1988-06-01), Kojima
patent: 4832102 (1989-05-01), Domchick
patent: 4884607 (1989-12-01), Mori
patent: 4986324 (1991-01-01), Suzuki et al.
patent: 5000239 (1991-03-01), Brayer et al.
patent: 5135038 (1992-08-01), Graas et al.
"Pneumatic Tyre Design"; E. C. Woods; 1955 pp. 32-34.
1992 Year Book The Tire and Rim Association, Inc., pp. 1-01, 1-06, 1-08, 1-10, and 1-12.
Hashimura Yoshiaki
Kogure Tomohiko
Ball Michael W.
Krawczyk Nancy T.
The Yokohama Rubber Co. Ltd.
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