Title:
Pneumatic tires
Document Type and Number:
Japanese Patent JP6319385
Kind Code:
B2
Abstract:
The purpose of the present invention is to reduce rolling resistance and noise while maintaining snow traction performance. A pneumatic tire (1) includes a plurality of circumferential main grooves (10), a plurality of lug grooves (20), and a plurality of blocks (30). Raised bottom portions (40) are formed on groove bottoms (44) of shoulder circumferential main grooves (13) that are the circumferential main grooves (10), among the plurality of circumferential main grooves (10), positioned most outward in a tire lateral direction, and shoulder lug grooves (23) that are the lug grooves (20), among the plurality of lug grooves (20), positioned outward from the shoulder circumferential main grooves (13) in the tire lateral direction and connected to the shoulder circumferential main grooves (13) from outer sides in the tire lateral direction. The raised bottom portions (40) are formed so as to exclude at least intersection portions (50) where the shoulder circumferential main grooves (13) and the shoulder lug grooves (23) intersect.
Inventors:
Mitsushi Iga
Application Number:
JP2016170294A
Publication Date:
May 09, 2018
Filing Date:
August 31, 2016
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO.,LTD.
International Classes:
B60C11/13; B60C11/03
Domestic Patent References:
| JP11227419A | ||||
| JP2014051287A | ||||
| JP2007022151A | ||||
| JP2007112421A | ||||
| JP2012101745A |
Foreign References:
| US20150328936 |
Attorney, Agent or Firm:
Sakai International Patent Office