B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/87
B60C 9/18 (2006.01) B60C 9/20 (2006.01) B60C 9/28 (2006.01) B60C 11/00 (2006.01)
Patent
CA 1226797
HEAVY DUTY PNEUMATIC RADIAL TIRE Abstract of the Disclosure Disclosed herein is a heavy duty pneumatic radial tire in which a tread portion of the tire is reinforced by superimposing a belt composed of plural rubberized cord layers upon the outer periphery of a radial structure carcass composed of one or more rubberized cord layers containing cords each arranged in a radial plane of the tire or in a plane deviating at a small angle therefrom; the belt has a substantially lower flexural rigidity at central region than at side regions; and the tread portion has such a tread pattern that has a substantially higher negative ratio at central region than at side regions.
471158
Bridgestone Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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