Title:
PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2022/185618
Kind Code:
A1
Abstract:
A pneumatic tire comprising, on a tread surface 1 thereof, two or more main grooves 3 and a pair of middle block rows 22 which are disposed adjacent, on the inner sides in the tire width direction, to a pair of outer main grooves 31 located on the outermost sides in the tire width direction among the two or more of the main grooves, wherein each of the middle block rows has a plurality of middle blocks 220 that are arrayed along the tire circumferential direction, at least one first middle block among the middle blocks has a middle block inclined sidewall surface 223 that faces the outer main grooves and that becomes gradually more inclined towards the radially inner side of the tire with an increase in the distance towards the radially outer side of the tire, and an angle θ223 on the acute angle side of the middle block inclined sidewall surface is 30-50° with respect to a normal line of the tread surface at an inner end in the tire width direction of the middle block inclined sidewall surface.
Inventors:
KARASAWA MAYUKO (JP)
YAMADA KAI (JP)
YAMADA KAI (JP)
Application Number:
PCT/JP2021/040889
Publication Date:
September 09, 2022
Filing Date:
November 05, 2021
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C11/03; B60C11/12
Foreign References:
| JP2013249014A | 2013-12-12 | |||
| JP2015089796A | 2015-05-11 | |||
| JPS62255203A | 1987-11-07 | |||
| JP2007055334A | 2007-03-08 | |||
| JP2009023601A | 2009-02-05 | |||
| JP2005161921A | 2005-06-23 | |||
| JP2020152269A | 2020-09-24 | |||
| JP2020082904A | 2020-06-04 | |||
| JP2008049730A | 2008-03-06 | |||
| JP2021032170A | 2021-03-01 |
Other References:
See also references of EP 4265441A4
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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