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Patent Searching and Data


Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP6880788
Kind Code:
B2
Abstract:
The present invention provides a pneumatic tire capable of improving the concealing effect of a convex depression and suppressing the generation of cracks. The pneumatic tire (1) is provided with a toothed portion (3) in which the ridges (4) are arranged side by side in the tire circumferential direction on the surface (2a) of the side wall portion (2). The ridge (4) includes a straight ridge (8)and a curved ridge (9) that are not curved and extend in a straight line. In the curved ridge (9), the central portion (4A) of the ridge (4) having a length of 40% of the total length (H1) in the radial direction of the tire is a linear portion (11) having no curved portion (10). The curved portion (10) is formed in the outer region (4B) or the inner region (4C) in the tire radial direction of theridge (4) other than the central region (4A).

Inventors:
Sawa Ogiwara
Application Number:
JP2017016907A
Publication Date:
June 02, 2021
Filing Date:
February 01, 2017
Export Citation:
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Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C13/00
Domestic Patent References:
JP8318717A
Attorney, Agent or Firm:
Sumitomo Shintaro
Ura Shigego
Jun Naemura
Yukinobu Ishihara