Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2021/106817
Kind Code:
A1
Abstract:
A pneumatic tire (10) has a center land region (CT1) defined by a pair of circumferential-direction main grooves (71, 72) which extend in the tire circumferential direction. The center land region (CT1) is provided with a block column (30) defined by circumferential-direction thin grooves (61, 62) which are narrower than the circumferential-direction main grooves (71, 72) and which extend in the tire circumferential direction. The block column (30) has land blocks defined by a width-direction grooves which extend in the tire circumferential direction. The width-direction grooves include width-direction groove parts and bent parts which are contiguous to the width-direction groove parts and are bent in the tire circumferential direction. The groove width of each of the bent parts along the tire width direction becomes narrower as advancing along the tire circumferential direction.

Inventors:
ISHIHARA NOBUYUKI
Application Number:
PCT/JP2020/043545
Publication Date:
June 03, 2021
Filing Date:
November 24, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C11/03; B60C11/12; B60C11/13
Domestic Patent References:
WO2015056573A12015-04-23
Foreign References:
JP2015048045A2015-03-16
JP2001206019A2001-07-31
JP2019131152A2019-08-08
JP2019137088A2019-08-22
JP2019151151A2019-09-12
JP2009227154A2009-10-08
Other References:
See also references of EP 4067116A4
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: INJECTION MOLDING APPARATUS

Next Patent: FILMING ASSISTANCE SYSTEM, FILMING SCHEDULE PRODUCTION METHOD, AND PROGRAM