Title:
PNEUMATIC TIRE AND MANUFACTURING METHOD FOR THE SAME
Document Type and Number:
Japanese Patent JP2022090757
Kind Code:
A
Abstract:
To suppress deterioration in durability of a tire due to heat storage caused by a sealant layer, while allowing the sealant layer to maintain a function of preventing a flat tire.SOLUTION: A pneumatic tire comprises: a pair of beads 10; a pair of side walls 20 extending from the pair of beads 10 respectively outward in a tire radial direction; a tread 30 arranged between the pair of side walls 20 and having a grounding surface 331; a carcass ply 40 bridged between the pair of beads 10; an inner liner 50 arranged at an inner cavity side of the tire in the carcass ply 40; and a sealant layer 60 arranged on an inner surface at the inner cavity side of the tire in the inner liner 50. The grounding surface 331 of the tread 30 are formed with a plurality of main grooves 341 extending in a tire circumferential direction. The sealant layer 60 has a plurality of circulation parts 62 provided in a belt-shape in annular portions corresponding to the plurality of main grooves 341 respectively, on an inner surface 501 of the inner liner 50, and the plurality of circulation parts 62 are separated from each other in a tire width direction.SELECTED DRAWING: Figure 1
Inventors:
MATSUNOBU YUKO
Application Number:
JP2020203254A
Publication Date:
June 20, 2022
Filing Date:
December 08, 2020
Export Citation:
Assignee:
TOYO TIRE CORP
International Classes:
B60C19/12; B29D30/06; B60C11/03
Attorney, Agent or Firm:
Tetsuo Shiba
Hiroaki Hoshino
Hiroaki Hoshino
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