Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP7306121
Kind Code:
B2
Abstract:
To provide a pneumatic tire that can improve noise performance while maintaining on-snow performance of the tire.SOLUTION: A pneumatic tire 1 comprises: a pair of center main grooves 21 and 21 and a pair of shoulder main grooves 22 and 22; and a single center land part 31, a pair of middle land parts 32 and 32 and a pair of shoulder land parts 33 and 33, which are formed to be partitioned by the center main grooves 21 and the shoulder main grooves 22. The middle land part 32 comprises first and second middle lug grooves 421 and 422 penetrating in a tire width direction through the middle land part 32, and a plurality of middle blocks 321 and 322 formed to be partitioned by the first and second middle lug grooves 421 and 422. A crossing angle θ1 of the first middle lug groove 421 relative to the center main groove 21 has a relation of θ2<θ1 with a crossing angle θ2 of the second middle lug groove 422. The center land part 31 is a rib continuous in a tire circumferential direction.SELECTED DRAWING: Figure 3
Inventors:
Naoya Oizumi
Application Number:
JP2019129589A
Publication Date:
July 11, 2023
Filing Date:
July 11, 2019
Export Citation:
Assignee:
Yokohama Rubber Co., Ltd.
International Classes:
B60C11/03; B60C11/12; B60C11/13
Domestic Patent References:
| JP61125902A | ||||
| JP2000127714A | ||||
| JP9039515A | ||||
| JP2016097777A | ||||
| JP63306904A | ||||
| JP2012126214A | ||||
| JP2016132441A |
Attorney, Agent or Firm:
Sakai International Patent Office