Title:
PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2023097900
Kind Code:
A
Abstract:
To provide a pneumatic tire capable of suppressing the degradation of air sealing performance due to a sound absorbing material.SOLUTION: A pneumatic tire 1 having a tread portion 2, includes a self-sealing type sealant layer 10 arranged on a tire inner cavity i of the tread portion 2, and a sponge-like sound absorbing material 12 adhered to the sealant layer 10. The sealant layer 10, in a front view of the tire inner cavity i, includes a first area 101 whose surface is covered by the sound absorbing material 12, and a second area 102 whose surface is not covered by the sound absorbing material 12. On a first tire cross-section, the thickness of the sealant layer in at least a part of the first area 101 is smaller than the thickness of the sealant layer in the second area 102.SELECTED DRAWING: Figure 1
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Inventors:
SATO TAKUYA
MATSUNAMI SHO
YUKAWA NAOKI
MATSUNAMI SHO
YUKAWA NAOKI
Application Number:
JP2021214274A
Publication Date:
July 10, 2023
Filing Date:
December 28, 2021
Export Citation:
Assignee:
SUMITOMO RUBBER IND
International Classes:
B60C19/12; B60C5/00
Attorney, Agent or Firm:
Shintaro Sumitomo
Shigetake Ura
Jun Naemura
Yukinobu Ishihara
Satoshi Ichida
Shigetake Ura
Jun Naemura
Yukinobu Ishihara
Satoshi Ichida