B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/124
B60C 11/11 (2006.01) B60C 11/03 (2006.01) B60C 11/13 (2006.01)
Patent
CA 2024201
An all season type tire tread (11) comprises a plurality of laterally extending grooves (36) having curved portions adjacent to each lateral edge (TE1, TE2) of the tread, said curved portions extending in circumferentially opposite directions. Axially spaced zig-zag shaped grooves (4-8) extend circumferentially around the tread, every fourth leg of a zig-zag groove being coincident with a portion of a laterally extending groove (36) . Two legs adjacent to said fourth leg connect the laterally extending grooves to short semi-blind grooves (19) having their central portion coincident with every other fourth leg of the zig-zag shaped groove. The various grooves cooperate to define block elements (20-25), arranged in circumferential rows (30-25) and having the shape of an "S" or of a "Z". The two blocks can include a plurality of slots (50-53) and humps (29) can be located between neighboring blocks.
Constant Michel
Graas Maurice
Sim & Mcburney
The Goodyear Tire & Rubber Company
LandOfFree
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