Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP6548368
Kind Code:
B2
Abstract:
In the pneumatic tire of this disclosure, a side reinforcement layer is arranged inside a carcass main body, the side reinforcement layer formed of a treated member, the treated member formed by coating with rubber organic fiber cords extending parallelly to ply cords of a carcass ply of the carcass main body, only on a sidewall portion of a half portion on one tire widthwise side partitioned by a tire equatorial plain; at an unloaded condition, when the pneumatic tire is mounted to an applicable rim and is applied with a prescribed internal pressure, a tire radial inner end of the side reinforcement layer is located on a side inner in the tire radial direction than a tire radial outermost position of a rim flange, and a tire radial outer end of the side reinforcement layer overlaps the belt by 5 mm or more in a tire widthwise direction; and the tread portion has one or more circumferential main grooves extending in a tire circumferential direction, and at an unloaded condition, when the pneumatic tire is mounted to an applicable rim and is applied with a prescribed internal pressure, a contact width of a tire widthwise outermost land portion partitioned by the one or more circumferential main grooves and a tread edge on one tire widthwise side is larger than a contact width of a tire widthwise outermost land portion partitioned by the one or more circumferential main grooves and a tread edge on the other tire widthwise side.
Inventors:
Naoki Aoki
Application Number:
JP2014153167A
Publication Date:
July 24, 2019
Filing Date:
July 28, 2014
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C9/30; B60C11/03; B60C11/13; B60C13/00; B60C15/00; B60C15/06
Domestic Patent References:
| JP2008542129A | ||||
| JP59040903A | ||||
| JP2013100020A | ||||
| JP2009214769A | ||||
| JP2003231405A | ||||
| JP2013014227A | ||||
| JP638003A |
Foreign References:
| GB1115834A | ||||
| GB1140473A |
Attorney, Agent or Firm:
Kenji Sugimura
Yamaguchi Yusuke
Soichiro Senuma
Yamaguchi Yusuke
Soichiro Senuma