Bridgestone Corporation

Fumitaka Kobayashi

Masafumi Ito

Yusuke Nakai

Hiroaki Fujiwara

Tire tread

The interval along the tire circumferential direction between sipes adjacent in the tire circumferential direction is 2 to 10 times the depth of the sipes. In the depth direction of the sipes, the sipes each have at least three sipe portions divided by at least two bent portions, and a bent portion angle formed between adjacent sipe portions with one of the bent portions therebetween is greater at the tread surface side than at the sipe bottom side.

Growing community of inventors

Tokyo, Japan

Fumitaka Kobayashi