Pneumatic tires

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

Patent

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Details

152209A, B60C10304

Patent

active

054233640

ABSTRACT:
A pneumatic tire has a tread pattern defined by at least one straight circumferential groove and a plurality of lateral grooves extending from tread end toward the vicinity of a circumferential line perpendicular to a meridional line of the tire and extending slantwise and upward toward the tread end. In this tire, the lateral groove is composed of a main lateral groove portion and an auxiliary lateral groove portion. The main lateral groove portion is comprised of a steep slant segment, a dull slant segment and a curved segment smoothly connecting these slant segments and the auxiliary lateral groove portion extends substantially in parallel with the dull slant segment and opens to the tread end and the steep slant segment.

REFERENCES:
patent: D292079 (1987-09-01), Ikeda
patent: D340895 (1993-11-01), Himuro et al.
patent: 4953604 (1990-09-01), Shepler et al.
patent: 5105864 (1992-04-01), Watanabe et al.
patent: 5234042 (1993-08-01), Kuhr et al.

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