Pneumatic tire

Details Pneumatic tire Pneumatic tire

B - Operations, Transporting

60

C

152/126

B60C 11/11 (2006.01) B60C 9/20 (2006.01) B60C 11/04 (2006.01) B60C 11/13 (2006.01)

Patent

CA 1324569

Abstract of the Disclosure A PNEUMATIC TIRE A pneumatic tire (10) having a tread (12), carcass (70), sidewalls (14), bead portions (18) and an annular reinforcing structure or belt structure (76). The tread (12) has two different types of circumferential grooves. Two circumferential straight grooves (20) divide the tire into three circumferentially extending portions (24,26,28). Each portion is further divided by a circumferentially extending zig-zag groove (22) or an "S" shaped groove. Each portion is then divided into blocks (30) by a plurality of axially extending grooves (32). The tread-reinforcing structure (76) has two belt plies (78,80) of steel cords (82), the cords of one are oriented at an angle A, with respect to the mid-circumferential centerplane (MC), while the cords of the other are oriented at an angle B, where angle B is less than angle A. The difference between angle A and angle B is greater than one degree and less than or equal to four degrees.

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