Pneumatic radial tires

Resilient tires and wheels – Tires – resilient – Anti-skid devices

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Details

B60C 1104, B60C 1111

Patent

active

051586266

ABSTRACT:
A pneumatic radial tire comprises at least one circumferential groove extending circumferentially of the tire at at least one end portion in widthwise direction of a tread and plural slant grooves arranged at an approximately equal interval in the circumferential direction of the tire and each extending diagonally across the circumferential groove. In this tire, a groove wall of the circumferential groove facing to a side of the tread end is extended straight in the circumferential direction and the other groove wall thereof is extended in a given sawtoothed shape in the circumferential direction of the tire.

REFERENCES:
patent: D177655 (1956-05-01), Wolfer
patent: D182913 (1958-05-01), Marick et al.
patent: D314538 (1991-02-01), Martin
patent: 4641696 (1987-02-01), Semin et al.
patent: 4796683 (1989-01-01), Kawabata et al.
patent: 4840211 (1989-06-01), Makino

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