Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2011/099515
Kind Code:
A1
Abstract:
The disclosed pneumatic tire (1) is provided with at least a land section formed by means of peripheral grooves (3, 5) that extend along the direction of the perimeter of the tire. The land section is provided with: a land section (11) having a groove-side wall (17) that forms a peripheral groove (3); and a land section (15) having a groove-side wall (19A) forming the peripheral groove (3). The groove-side wall (17) and the groove-side wall (19A) meander along the direction of the perimeter of the tire in a tread-surface view. The groove width of the peripheral groove (3) along the widthwise direction of the tread changes in a predetermined repeated cycle along the direction of the perimeter of the tire. The land section (15) has: wide-width land sections (21A) wherein the width along the widthwise direction of the tread of the land section (15) is a predetermined width; and narrow-width land sections (21B) that are narrower than the predetermined width. Concavities (23) that are depressed inward in the radial direction of the tire from the surface of the land section (15) are formed at the surface of the wide-width land sections (21A).
Inventors:
NAKAMURA TAKAMITSU
Application Number:
PCT/JP2011/052736
Publication Date:
August 18, 2011
Filing Date:
February 09, 2011
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
NAKAMURA TAKAMITSU
NAKAMURA TAKAMITSU
International Classes:
B60C11/04; B60C11/13
Domestic Patent References:
| WO2010090327A1 | 2010-08-12 |
Foreign References:
| JP2006160055A | 2006-06-22 | |||
| JPH10211805A | 1998-08-11 | |||
| JP2004351953A | 2004-12-16 | |||
| JP2004351953A | 2004-12-16 | |||
| JP2010026818A | 2010-02-04 |
Other References:
See also references of EP 2535207A4
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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Claims: