Title:
PNEUMATIC TIRE FOR MOTORCYCLE
Document Type and Number:
Japanese Patent JP2017030564
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To improve durability while maintaining steering stability of a tire.SOLUTION: In a reference state, when a region in a tire width direction in a step face of a tread, sandwiched between a position in the tire width direction of the step face of the tread separated by 50% of a half width of a periphery length of the step face of the tread along the periphery of the step face of the tread from a tire equator surface toward an end of the tread and a position in the tire width direction of the step face of the tread separated by 82% of the half width, is set as an intermediate region, branched grooves, which are constituted of at least one circumferential groove having a circumferential groove part provided in the intermediate region and at least one width-directional groove which has a width-directional groove part provided in the intermediate region and communicates with the circumferential groove in the intermediate region, are intermittently formed along a tire circumference direction in each half part of the tire, where at least one of width-directional grooves extends outward in the tire width direction more than an outer end in the tire width direction of the intermediate region.SELECTED DRAWING: Figure 2
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Inventors:
KAJIMOTO KATSUHIKO
Application Number:
JP2015152742A
Publication Date:
February 09, 2017
Filing Date:
July 31, 2015
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
B60C11/03; B60C3/00; B60C11/00
Domestic Patent References:
| JP2014205395A | 2014-10-30 |
Foreign References:
| WO2011041859A1 | 2011-04-14 |
Attorney, Agent or Firm:
Kenji Sugimura
Kazuyuki Tomita
Yamaguchi Yusuke
Kazuyuki Tomita
Yamaguchi Yusuke