Pneumatic radial tire having a reduced rolling resistance

Details Pneumatic radial tire having a reduced rolling resistance Pneumatic radial tire having a reduced rolling resistance

1981-06-03

1983-02-15

Ball, Michael W.

Resilient tires and wheels

Tires, resilient

Patches

152360, 152361R, 152374, B60C 918, B60C 1300

Patent

active

043735665

ABSTRACT:
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.

REFERENCES:
patent: 3253635 (1966-05-01), Travers
patent: 4006766 (1977-02-01), Tagayanagi et al.
patent: 4274462 (1981-06-01), Ogawa et al.
patent: 4285381 (1981-08-01), Furukawa et al.

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