Title:
PNEUMATIC TIRE FOR HEAVY LOAD
Document Type and Number:
Japanese Patent JP2019081514
Kind Code:
A
Abstract:
To provide a pneumatic tire for a heavy load that can prevent occurrence of a bare by improving air flow between a vulcanization molding die and an external surface of a raw tire.SOLUTION: A pneumatic tire for a heavy load 1 has, on a surface of a sidewall part 3, a serration part 10 in which a plurality of ridges 11 extending in a tire radial direction are arranged side by side in a tire circumferential direction, and a convex vent line 50 that extends in the tire circumferential direction to connect with each ridge 11. The ridges 11 have their pitches changing in the tire circumferential direction.SELECTED DRAWING: Figure 1
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Inventors:
HOSODA TAKAHIRO
Application Number:
JP2017211042A
Publication Date:
May 30, 2019
Filing Date:
October 31, 2017
Export Citation:
Assignee:
SUMITOMO RUBBER IND
International Classes:
B60C13/00; B60C13/02
Domestic Patent References:
| JP2008056176A | 2008-03-13 | |||
| JP2014125108A | 2014-07-07 | |||
| JPH07164831A | 1995-06-27 | |||
| JP2015042535A | 2015-03-05 | |||
| JP2010274740A | 2010-12-09 |
Attorney, Agent or Firm:
Sumitomo Shintaro
Ura Shigego
Jun Naemura
Yukinobu Ishihara
Ura Shigego
Jun Naemura
Yukinobu Ishihara