Method of manufacturing radial tire

Details Method of manufacturing radial tire Method of manufacturing radial tire

1987-06-05

1989-04-25

Simmons, David

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156124, B29D 3010, B29D 3020

Patent

active

048245011

ABSTRACT:
To obtain a uniform initial cord tension in an auxiliary layer of a radial tire made up of a toroidal carcass, a belt, the auxiliary layer and a tread rubber, the belt is formed by winding inextensible cords around a drum with a radius of curvature substantially the same as that of a tire tread. Further, when the belt is formed by winding the cords around a flat drum, the auxiliary layer is formed on the belt by winding a heat-shrinkable cord around the belt in spiral fashion in such a way as to apply a higher tension at both the ends of the belt layer than at the center thereof. The radial tire thus manufacture is excellent in high-speed tire durability and tire uniformity, without causing belt separation trouble at high speed.

REFERENCES:
patent: 3503432 (1970-03-01), Maiocchi
patent: 3786851 (1974-01-01), Mirtain et al.
patent: 3831656 (1974-08-01), Senger et al.
patent: 3850219 (1974-11-01), Snyder
patent: 3999585 (1976-12-01), Grawey
patent: 4146415 (1979-03-01), Caretta et al.
patent: 4183389 (1980-01-01), Grosch
patent: 4202394 (1980-05-01), Van der Burg
patent: 4528052 (1985-07-01), Yoshie et al.

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