Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2008/065947
Kind Code:
A1
Abstract:
A pneumatic tire simultaneously satisfying both on-ice turning performance
and ice braking performance and also simultaneously satisfying both dry turning
performance and dry braking performance. The pneumatic tire has a tread pattern
(T) having land sections such as blocks (1) in which sipes (10) are formed. First
sipes (10) are provided in a region (Ai) on the inner side, in the direction of installation
of the tire on the vehicle, of a tire equator line (CL), and second sipes (20) are
provided in a region (Ao) on the outer side of the tire equator line (CL). The first
sipes (10) each have a recessed or projected engagement section in a cross-section
parallel to the tire equator line (CL). In each second sipe (20), an inner wall
surface extending in a tire width direction (WD) or in a direction inclined from
the tire width direction has rows of grooves and ridges, and each row has a portion
inclined in the direction where the sipe are formed.
Inventors:
OHASHI TOSHIYUKI (JP)
Application Number:
PCT/JP2007/072564
Publication Date:
June 05, 2008
Filing Date:
November 21, 2007
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO (JP)
OHASHI TOSHIYUKI (JP)
OHASHI TOSHIYUKI (JP)
International Classes:
B60C11/12; B60C5/00
Domestic Patent References:
| WO2007097309A1 | 2007-08-30 |
Foreign References:
| JP2006096283A | 2006-04-13 | |||
| JP2007153056A | 2007-06-21 | |||
| JP2002321509A | 2002-11-05 | |||
| JP2002103921A | 2002-04-09 | |||
| JP2001511733A | 2001-08-14 |
Attorney, Agent or Firm:
OZAKI, Yuzo et al. (13-9 Nishinakajima 5-chome, Yodogawa-k, Osaka-shi Osaka 11, JP)
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