Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP7306122
Kind Code:
B2
Abstract:
To provide a pneumatic tire that can improve noise performance while maintaining mud-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 (refer to a figure 2). 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 shoulder land part 33 is a rib continuous in a tire circumferential direction.SELECTED DRAWING: Figure 2
Inventors:
Naoya Oizumi
Application Number:
JP2019129597A
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 | ||||
| JP6166302A | ||||
| JP2017210170A | ||||
| JP63134312A | ||||
| JP56008705A | ||||
| JP2016064726A |
Attorney, Agent or Firm:
Sakai International Patent Office