B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
152/124
B60C 11/04 (2006.01) B60C 11/11 (2006.01) B60C 11/12 (2006.01)
Patent
CA 2030406
ABSTRACT OF THE DISCLOSURE A pneumatic tire which has a tread provided with two circumferentially extending grooves and axially extending grooves to divide the tread into central blocks located between the circumferential grooves and shoulder blocks located between the circumferential grooves and the tread edges, wherein each of the shoulder blocks is provided with axially extending sipes having a depth of not less than 30% of the circumferential groove depth, and each of the central blocks is provided with at least one circumferentially extending sipe having a depth of not less than 30% of the circumferential groove depth. In the pneumatic tire according to the present invention, the circumferential sipes are formed in a central region of the tread and the axial sipes are formed in lateral regions of the tread, whereby anti-skid performance in both the lateral and longitudinal directions of the tire is effectively improved.
Borden Ladner Gervais Llp
Sumitomo Rubber Industries Limited
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