Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2012/133334
Kind Code:
A1
Abstract:
The objective of the present invention is to increase operational stability performance and traction performance relating to the acceleration properties and braking properties on a snowy road surface. A pneumatic tire (10) has: two peripheral-direction primary grooves (14) extending in the peripheral direction of the tire and that are formed at a tread (12) to the inside in the widthwise direction of the tire than the 1/3 position of the ground contact width (W) from the ground contact edge (T) of the tread (12); a central land row (16) formed between the two peripheral-direction primary grooves (14); edge land rows (18) each formed to the outside in the widthwise direction of the tire of the two peripheral-direction primary grooves (14); and primary lug grooves (20) extending in the edge land rows (18) towards the ground contact edge (T) from the peripheral-direction primary grooves (14). No primary groove interconnecting primary lug grooves (20) that are adjacent in the peripheral direction of the tire is formed in the edge land rows (18).

More Like This:
JP6196555Pneumatic tire
JP4043569Pneumatic tires
JP2008307971PNEUMATIC TIRE
Inventors:
FUJITA SHUNGO (JP)
Application Number:
PCT/JP2012/057786
Publication Date:
October 04, 2012
Filing Date:
March 26, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BRIDGESTONE CORP (JP)
FUJITA SHUNGO (JP)
International Classes:
B60C11/01; B60C11/04
Foreign References:
JPH11129706A1999-05-18
JPH05338415A1993-12-21
JPH09183303A1997-07-15
JPS475501A
JP2006218901A2006-08-24
Other References:
"JATMA YEAR BOOK", 2010, JAPAN AUTOMOBILE TIRE MANUFACTURERS ASSOCIATION STANDARDS
See also references of EP 2692543A4
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
Download PDF:
Claims: