Patent ID: 11897291
Assignee: THE YOKOHAMA RUBBER CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 12:
13. The pneumatic tire according to claim 1, wherein
the first sipes are provided to be inclined in the tire lateral direction from the two outer main grooves to the inner continuous land portion and to be closed in the regions of the two intermediate continuous land portions,
as seen from the tread surface, a surface contour shape of each of first sipes a of the first sipes, which extends from an outer main groove A being one of the two outer main grooves, comprises:
an extending portion extending constantly in an extension direction or with smooth change from the outer main groove A; and
a bent portion provided on a side of a closed end portion of each of the first sipes a, the bent portion bending each of the first sipes a from the extending portion and extending to a direction opposite a direction to which the extending portion extends in the tire circumferential direction,
in the bent portion, the sipe main body portion extends from the extending portion constantly in the extension direction or with smooth change without being bent and is closed, and the sipe chamfered portion forms a bent shape of the bent portion, and
the asymmetric shape portion being positioned in the bent portion.