B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/126
B60C 11/04 (2006.01) B60C 11/00 (2006.01) B60C 11/11 (2006.01)
Patent
CA 1262673
ABSTRACT OF THE DISCLOSURE A radial tire for truck or bus eliminate the drawback of shoulder wear and improve the its wet-grip performance; which comprises: a tread part, divided into at least five ribs with at least four circumferentially extending longitudinal grooves; auxiliary grooves interconnecting the adjacent longitudinal grooves and forming each of the ribs into separated blocks; and the depth of the auxiliary grooves gradually decreasing toward the shoulder part of the tire.
509486
Marks & Clerk
Sumitomo Rubber Industries Limited
Takeuchi Akihiro
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