Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP4685919
Kind Code:
B2
Abstract:
A tire having an asymmetric tread pattern that land proportion of outer side area (2o) is larger than inner side area (2i), but having a reduced difference in drainage performance between tires on right and left wheels, the tire having tread surface (2) divided by four circumferential grooves (3 and 4) into center (5), middle (6,6) and shoulder lands (7,7), wherein middle (6o) and shoulder land (7o) in the outer side area (2o) are divided respectively by outer middle lateral grooves (8o) and outer shoulder lateral grooves (10o) into blocks (9o and 11o), inclination direction of the middle lateral grooves (8o) is opposite to that of the shoulder lateral grooves (10o) with respect to tire axial direction, and the lateral grooves (8o and 10o) are inclined at an angle ¸mo between 5° and 45° and at an angle ¸so between more than 0° and not more than 40°, respectively.
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Inventors:
Tadao Matsumoto
Application Number:
JP2008312456A
Publication Date:
May 18, 2011
Filing Date:
December 08, 2008
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C11/04; B60C5/00; B60C11/03
Domestic Patent References:
| JP2007145177A1 | ||||
| JP3096408A | ||||
| JP9024707A |
Foreign References:
| WO2007065760A1 | ||||
| EP0773117A1 |
Attorney, Agent or Firm:
Sumitomo Shintaro