Pneumatic radial tire

Details Pneumatic radial tire Pneumatic radial tire

1983-12-01

1986-02-25

Boland, Lois E.

Resilient tires and wheels

Tires, resilient

Pneumatic tire or inner tube

152556, 152560, 152564, 152565, 156124, 156910, 428390, 428625, 524398, B60C 918, B60C 904, B32B 2510

Patent

active

045722633

ABSTRACT:
A pneumatic radial tire comprising: (1) a cylindrical tread portion; (2) side portions located at both sides of the tread portion and extending inwardly in the radial direction; (3) bead portions located at the inner edge portions of the side portions; (4) a carcass comprising at least one ply which is reinforced with a belt arranged on the inside of the tread portion, wherein said belt and/or said carcass ply is reinforced by steel cords; and (5) a rubber composition surrounding the steel cords, wherein said rubber composition comprises: (a) 100 parts by weight of at least one rubber selected from the group consisting of natural rubber and dienic synthetic rubber; (b) 0.1-5.0 parts by weight of alkadiene sulfone; and (c) 0.05-1.0 parts by metal weight of at least one metal salt of an organic acid selected from the group consisting of cobalt salt of an organic acid and nickel salt of an organic acid.

REFERENCES:
patent: 4169112 (1979-09-01), Elmer et al.
patent: 4330592 (1982-05-01), Tsukamoto et al.

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