Tread for a pneumatic tire

Details Tread for a pneumatic tire Tread for a pneumatic tire

B - Operations, Transporting

60

C

152/126

B60C 11/12 (2006.01)

Patent

CA 1332348

Abstract of the Disclosure TREAD FOR A PNEUMATIC TIRE A tread (12) for a pneumatic tire (10) featuring generally zig-zag ribs (22) defined by wide grooves (20). Circumferentially extending slots (50) in the ribs are located near the wide grooves. The circumferentially extending slots (50) define an edge zone (30) between the slots and the nearest wide groove and a primary-load zone (34) on the opposite side of the slot. Located in the edge zone (30) there is means (40) for reducing the unit tread pressure in the edge zone as compared to such pressure in the primary-load zone (34). The circumferential slots (50) together with the means (40) for reducing the unit tread pressure act to provide a breakwater against the spread of irregular wear known as "river wear".

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