Patent ID: 9108472
Filing Date: 2015-08-18
Classification: B60C

Abstract:
1. A pneumatic tire comprising: a belt layer that includes a circumferential reinforcing layer; a plurality of circumferential main grooves; and a plurality of land portions partitioned by the circumferential main grooves, wherein the pneumatic tire is a heavy-duty tire, the land portions above the circumferential reinforcing layer have at least one sipe, the at least one sipe has a bent shape with two flex points P an angle α between a line that connects the flex points P an angle β a length S a width W a depth D the circumferential reinforcing layer is disposed on an inner side in the tire width direction from left and right edge portions of a narrower cross belt of a pair of cross belts, and a width W of the narrower cross belt and a width Ws of the circumferential reinforcing layer are within a range such that 0.60≦Ws/W.