Light weight pneumatic tire having a thin side wall rubber

Details Light weight pneumatic tire having a thin side wall rubber Light weight pneumatic tire having a thin side wall rubber

1976-09-03

1978-06-27

Reese, Randolph A.

Resilient tires and wheels

Tires, resilient

Patches

152357R, 152362R, 152374, B60C 906

Patent

active

040968995

ABSTRACT:
A light weight pneumatic tire having a thin side wall rubber is disclosed. The thin side wall rubber has previously been squeezed on that region of the outer surface of an upper ply which corresponds to the side wall portion of the tire prior to the tire shaping step and possessed of a Shore A hardness after vulcanization of 40.degree. to 55.degree., an excellent flex-cracking and weather resistant property. The upper ply is superimposed about at least a portion extending from a hump portion to a bead portion of the tire and composed of cords coated with a high resilient rubber. A tread rubber layer is extended across the thin side wall rubber layers and pressed and made integral therewith by stretching.

REFERENCES:
patent: 3481386 (1969-12-01), Menell et al.
patent: 3509930 (1970-05-01), Mirtain
patent: 3861440 (1975-01-01), Ochiai et al.
patent: 4006766 (1977-02-01), Takayanagi et al.

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