Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP6560925
Kind Code:
B2
Abstract:
A belt layer of a pneumatic tire includes a first main working belt, a second main working belt arranged at an outer side of the first main working belt in a tire-radial direction, and a reinforcement belt. A cord angle of the second main working belt differs from that of the first main working belt in a direction with respect to a tire-circumferential direction. A cord angle of the reinforcement belt is not smaller than 6 degrees and not larger than 9 degrees. A width of the reinforcement belt is equal to or wider than 50% of a tire-section width and not wider than either narrower one of the first and second main working belts. A width of a shoulder land portion is between 10% and 15% of a tread width which is a distance from a center of the tread portion to one end of the tread portion.
Inventors:
Akinori Miyake
Application Number:
JP2015150103A
Publication Date:
August 14, 2019
Filing Date:
July 29, 2015
Export Citation:
Assignee:
toyo tire Co., Ltd.
International Classes:
B60C9/18; B60C11/01
Domestic Patent References:
| JP2010167894A | ||||
| JP2009248582A | ||||
| JP200973337A | ||||
| JP200888245A | ||||
| JP2013166397A | ||||
| JP200738906A |
Foreign References:
| WO2014057552A1 |
Attorney, Agent or Firm:
Samejima Mutsumi
Takuji Yamada
Yoshiyuki Maebori
Takuji Yamada
Yoshiyuki Maebori