B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/126
B60C 11/00 (2006.01)
Patent
CA 1259894
ABSTRACT OF THE DISCLOSURE A heavy duty pneumatic tire having a tread provided on its outer surface with ay least one circumferential grooves is disclosed, on the opposite groove walls of the said groove multiple projecting blocks are provided at a spac between adjoining projecting blocks in the circumferential direction corresponding to 10-50% of the circumferential length of the projecting block and between the projecting blocks a narrower groove is formed circumferentially having the open groove width corresponding to 5-50 % of the open groove width of the above mentioned wider circumferential groove.
507869
Fukumoto Tetuhiro
Kusube Haruo
Ochiai Kiyoshi
Takeuchi Akihiro
Marks & Clerk
Sumitomo Rubber Industries Limited
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