Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2021/225145
Kind Code:
A1
Abstract:
This tire has a first circumferential main groove 11 and a second circumferential main groove 12 provided in a tread surface 1, wherein resonators 21 are formed in an intermediate land portion 20 demarcated between the first circumferential main groove and the second circumferential main groove, the resonators have wide grooves 211 of which both ends terminate in the intermediate land portion, the groove depth D1 of both the first circumferential main groove and the second circumferential main groove is not more than 50% of the groove width W2 of the first circumferential main groove and the second circumferential main groove, and the groove depth D3 of the wide grooves of the resonators is not less than 70% of the groove depth D1 of the first circumferential main groove.
Inventors:
NAKATA YOSHIKI (JP)
KARASAWA MAYUKO (JP)
KARASAWA MAYUKO (JP)
Application Number:
PCT/JP2021/017413
Publication Date:
November 11, 2021
Filing Date:
May 06, 2021
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C11/00; B60C11/03; B60C11/12; B60C11/13
Domestic Patent References:
| WO2020111156A1 | 2020-06-04 |
Foreign References:
| JP2011143897A | 2011-07-28 | |||
| JP2007269144A | 2007-10-18 | |||
| JP2008213596A | 2008-09-18 | |||
| JP2009001204A | 2009-01-08 | |||
| JP2015098325A | 2015-05-28 | |||
| JP2009090740A | 2009-04-30 | |||
| JP2011140268A | 2011-07-21 | |||
| JP2020082604A | 2020-06-04 | |||
| JP2020082611A | 2020-06-04 |
Other References:
"STANDARDS MANUAL of the ETRTO", article "FUTURE DEVELOPMENTS"
See also references of EP 4147883A4
See also references of EP 4147883A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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