Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2021/085022
Kind Code:
A1
Abstract:
Provided is a pneumatic tire in which: a plurality of inner circumferential grooves (11a, 11b, 11c), arranged between a pair of outermost circumferential grooves (11d, 11d), each have a narrower groove width than the outermost circumferential groove (11d) and have a groove width that allows lands on both sides of the groove to come into mutual contact when in contact with the ground; and blocks (14A, 14B) sandwiching at least one of the inner circumferential grooves (11b) have a plurality of concave sections (S) which are notches each made in the radial direction from a tread, the notches being formed in mutually facing block wall surfaces (14Af, 14Bf) of said blocks, along the circumferential direction of the tire, making it possible to suppress uneven wear of the tire and to further improve the tire performance on snow.
Inventors:
ISHIHARA NOBUYUKI (JP)
Application Number:
PCT/JP2020/037246
Publication Date:
May 06, 2021
Filing Date:
September 30, 2020
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C11/03; B60C11/12
Domestic Patent References:
| WO2013051053A1 | 2013-04-11 | |||
| WO2015056573A1 | 2015-04-23 |
Foreign References:
| JP2008201368A | 2008-09-04 | |||
| JP2015054594A | 2015-03-23 | |||
| JP2019073162A | 2019-05-16 | |||
| JP2019137088A | 2019-08-22 | |||
| JP2019119267A | 2019-07-22 | |||
| JPH06227211A | 1994-08-16 | |||
| US20140110027A1 | 2014-04-24 | |||
| US20190225030A1 | 2019-07-25 |
Other References:
See also references of EP 4052929A4
Attorney, Agent or Firm:
KAMIZAWA, Junko (JP)
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