Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ラジアルタイヤの修理用パッチラバー、およびそれを用いたラジアルタイヤの修理方法、並びに修理済みラジアルタイヤ
Document Type and Number:
Japanese Patent JP5769739
Kind Code:
B2
Abstract:
An object of the present invention is to provide: a patch rubber for repairing a radial tire, which patch rubber is capable of preventing troubles from occurring at an early stage in a repaired radial tire to enhance durability of the repaired radial tire; a method for repairing a radial tire by using the patch rubber; and a radial tire repaired by the patch rubber. Specifically, a patch rubber for repairing a radial tire, the patch rubber being constituted of reinforcing cord layers each formed by coating plural reinforcing cords aligned in parallel to each other with rubber, is characterized in that: the reinforcing cord layers constitute a laminate in which they are laminated from one side to the other side; and provided that: i) a region defined by a contour curve connecting adjacent cord ends of the plural reinforcing cords at one end side thereof, another contour curve connecting adjacent cord ends of the plural reinforcing cords at the other end side thereof, and the outermost reinforcing cords in a cord-juxtaposing direction of the plural reinforcing cords represents a reinforcing region in each reinforcing cord layer; ii) one reinforcing cord layer has one reinforcing region; and iii) another reinforcing cord layer, which includes the reinforcing cords having the same cord-extending direction as the reinforcing cords of the one reinforcing cord layer and is laminated on the other side in the layer-lamination direction of the one reinforcing cord layer, has another reinforcing region, the another reinforcing region resides within the one reinforcing region.

Inventors:
Yoshinobu Shoyama
Application Number:
JP2012557848A
Publication Date:
August 26, 2015
Filing Date:
February 17, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Bridgestone Corporation
International Classes:
B29C73/10
Domestic Patent References:
JP2011525443A2011-09-22
JP2011524829A2011-09-08
JP2012501888A2012-01-26
JPH08244124A1996-09-24
JPH07172123A1995-07-11
JPS3615276B1
JP2011525443A2011-09-22
JP2011524829A2011-09-08
JP2012501888A2012-01-26
Foreign References:
US2057797A1936-10-20
US4333508A1982-06-08
US4285382A1981-08-25
US4399854A1983-08-23
US20100258237A12010-10-14
US3133585A1964-05-19
US2057797A1936-10-20
US4333508A1982-06-08
Attorney, Agent or Firm:
Kenji Sugimura
Kazuyuki Tomita
Koichiro God