US 12,220,885 B2
Method of repairing tire and repaired tire
Yoshikazu Senno, Tokyo (JP); and Takahiro Miura, Tokyo (JP)
Assigned to BRIDGESTONE CORPORATION, Tokyo (JP)
Appl. No. 17/786,783
Filed by BRIDGESTONE CORPORATION, Tokyo (JP)
PCT Filed Dec. 8, 2020, PCT No. PCT/JP2020/045564
§ 371(c)(1), (2) Date Jun. 17, 2022,
PCT Pub. No. WO2021/124965, PCT Pub. Date Jun. 24, 2021.
Claims priority of application No. 2019-227904 (JP), filed on Dec. 18, 2019.
Prior Publication US 2023/0022382 A1, Jan. 26, 2023
Int. Cl. B29C 73/02 (2006.01)
CPC B29C 73/025 (2013.01) 7 Claims
OG exemplary drawing
 
1. A method of repairing a tire, the method being a method to repair a damaged part of the tire, the damaged part being a part in a rubber layer of a tire side section located between a carcass ply and a tire surface and being terminated within the rubber layer, the method comprising:
a first step of opening the damaged part by deformation of the tire side section while in a state the tire is retained, the deformation being made by applying a pressing force to the damaged part with a ground contact pressure of the tire;
a second step of injecting or applying an adhesive to the damaged part; and
a third step of releasing an opened state of the damaged part made open in the first step to bond mutually opposing wall surfaces of the damaged part.