TIRE

WIPO Patent Application WO/2021/201283

A1

In order to improve on-ice/snow performance, this tire has a circumferential direction groove 11 located at an outermost side in a tire width direction as an outermost circumferential direction groove 12, a land portion 20 located inside the outermost circumferential direction groove 12 in a tire width direction as a center land portion 21, and a lug groove 15 located inside the outermost circumferential direction groove 12 in the tire width direction as a center lug groove 16, wherein the center lug groove 16 has at least one end open to the circumferential direction groove 11, and a width direction sipe 31 and a circumferential direction sipe 32 are disposed both sides, in a tire circumferential direction, of each of a pair of center lug grooves 16 adjacent to each other in the tire circumferential direction. The width direction sipe 31 has one end open to the circumferential direction groove 11 to which the center lug groove 16 is open, and the other end closed in the center land portion 21. The circumferential direction sipe 32 has one end opened to the center lug groove 16, and the other end terminated near the width direction sipe 31 or communicating with the width direction sipe 31.

ISHIZU KENTO (JP)
KOISHIKAWA YOSHIFUMI (JP)

PCT/JP2021/014346

October 07, 2021

April 02, 2021

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YOKOHAMA RUBBER CO LTD (JP)

B60C11/03; B60C11/12

JP2010143377A	2010-07-01
JP2019104292A	2019-06-27
JP2017226367A	2017-12-28
JP2019182204A	2019-10-24
JP2019182207A	2019-10-24

SAKAI INTERNATIONAL PATENT OFFICE (JP)

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