Title:
PNEUMATIC TIRE AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2022090756
Kind Code:
A
Abstract:
To provide a pneumatic tire that has its sealant layer suppressed from varying in thickness as a sealant material has a reduced overlap region, and is improved in adhesion of a sound absorption layer to the sealant layer.SOLUTION: The pneumatic tire comprises a sealant layer 60 arranged on a tire inner bore side of an inner liner 50, and a sound absorption layer 70 arranged on a tire inner bore side of the sealant layer 60. The sealant layer 60 is formed of a belt-like sealant material 61 wound and stuck around an inner surface 501 of the inner liner 50, and the sealant layer 60 has a plurality of annular circulation parts 62 arranged in parallel so that the sealant material 61 is in an adjacent state in a tire width direction, and parallel with the tire circumferential direction, and a plurality of transition parts 63 which is provided in part in the tire circumferential direction of the circulation parts 62, and allows the sealant material 61 to transition to the circulation part 62 adjoining one side in the tire width direction.SELECTED DRAWING: Figure 2
Inventors:
MATSUNOBU YUKO
Application Number:
JP2020203253A
Publication Date:
June 20, 2022
Filing Date:
December 08, 2020
Export Citation:
Assignee:
TOYO TIRE CORP
International Classes:
B60C19/12; B29D30/06; B60C5/00
Attorney, Agent or Firm:
Tetsuo Shiba
Hiroaki Hoshino
Hiroaki Hoshino