Heavy-duty pneumatic tire tread

Details Heavy-duty pneumatic tire tread Heavy-duty pneumatic tire tread

B - Operations, Transporting

60

C

152/126

B60C 11/12 (2006.01)

Patent

CA 1193956

ABSTRACT OF THE DISCLOSURE A heavy duty pneumatic tire tread includes a tread portion formed of five ribs separated by four circumferential zig-zag grooves, wherein each groove is made up of successive circumferentially and obliquely alternating one-half pitches having two different lateral widths, each of which remains substantially constant throughout its circumferential extent and wherein, within each one-half groove pitch, when viewed in the lateral direction, the lateral widths of the center grooves are of a first width whereas the lateral widths of the shoulder grooves are in the second width. The oblique angulation of the zig-zag grooves, relative to the circumferential direction of the tire changes every one-half pitch, with the degree of angulation, when viewed in a lateral direction, differing from the center grooves to the shoulder grooves.

428014

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