Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2020192863
Kind Code:
A
Abstract:
To provide a pneumatic tire capable of improving on-ice performance of a tire in a run-flat travel.SOLUTION: A pneumatic tire comprises: a run-flat reinforcement layer 19 on inside of a width direction of a carcass layer 13; and a second filler 20 provided between a rewound section of the carcass layer 13 and a rim cushion rubber 17. In addition, a point P on a tire outer peripheral face on a position having a height being 150% of a rim flange height from a measurement point of a rim diameter of a regulated rim, is defined, and a perpendicular L drawn from the point P to a tire inner peripheral face, is defined. At the time, a rubber gauge G1 of the run flat reinforcement layer 19 on the perpendicular L and a rubber gauge G2 on a region from the rewound section of the carcass layer 13 to the tire external face, have a relationship of 0
Inventors:
UCHISAWA AYAKO
Application Number:
JP2019098894A
Publication Date:
December 03, 2020
Filing Date:
May 27, 2019
Export Citation:
Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B60C17/00; B60C13/00; B60C15/06
Domestic Patent References:
| JP2018154159A | 2018-10-04 | |||
| JP2018130977A | 2018-08-23 | |||
| JP2010137852A | 2010-06-24 | |||
| JP2017056815A | 2017-03-23 | |||
| JP2015098198A | 2015-05-28 | |||
| JP2007210363A | 2007-08-23 | |||
| JP2012096656A | 2012-05-24 |
Foreign References:
| WO2019070084A1 | 2019-04-11 | |||
| WO2018116646A1 | 2018-06-28 |
Attorney, Agent or Firm:
Sakai International Patent Office