Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1996-06-19
1999-08-03
Johnstone, Adrienne C.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152525, 152527, 152531, 152533, B60C 918, B60C 920, B60C 922, B60C 1100, B60C 1300
Patent
active
059312114
ABSTRACT:
A radial tire has a pair of bead portions; a carcass which is toroidal and extends across the bead portions; a tread portion positioned at a crown portion of the carcass; and sidewall portions of the carcass, and at least one belt reinforcing layer is disposed at the entire tread portion and/or at both end portions of the tread portion at an outer peripheral side of at least two belt layers which are disposed at an inner side of the tread portion, the belt reinforcing layers being formed by narrow, rubber-coated strips, which include a plurality of fiber cords, being wound endlessly in spirals so that the fiber cords are substantially parallel in a circumferential direction of the tire, wherein the belt reinforcing layer cords comprise organic fiber cords, the elongation of the organic fiber cords under 1.4 g/d load at 50.+-.5.degree. C. is less than or equal to 2.7%, and the elongation under 0.7 g/d load at 170.+-.5.degree. C. is 1.5 to 6.0%.
REFERENCES:
Patent Abstracts of Japan, JP5163612, Jun. 29, 1993, Teijin Ltd.
Patent Abstracts of Japan, JP6184815, Jul. 5,1994, Teijin Ltd.
Bridgestone Corporation
Johnstone Adrienne C.
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