B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/79.15
B60C 13/00 (2006.01) B60C 9/02 (2006.01) B60C 9/18 (2006.01) B60C 11/01 (2006.01)
Patent
CA 1141276
Abstract of the Disclosure A pneumatic radial tire having a reduced rolling resistance and particularly suitable for a passenger car, comprising a toroidal carcass, a belt layer, a bead core, a side rubber, a tread rubber, a relatively thin base rubber, and a rubber filler, wherein provision is made of a stress relieving groove composed of a depression facing toward the bead rubber at a position near the joint portion between the side rubber and the tread rubber, the base rubber having a resilience which is higher than those of the tread rubber and the bead rubber.
378933
Hirakawa Hiroshi
Ikeda Nobumasa
Sato Akio
Takusagawa Takashi
Bridgestone Tire Company Limited
Swabey Ogilvy Renault
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