TIRE - BRIDGESTONE CORP

Title:

TIRE

Document Type and Number:

WIPO Patent Application WO/2020/250534

Kind Code:

A1

Abstract:

In this tire, an outer land part (28) defined by two outer main grooves (21, 22) and an inner land part 29 defined by two inner main grooves (23, 24) respectively have a plurality of outer resonators (25) and a plurality of inner resonators (26) individually formed along the tire circumferential direction. The outer resonators each include: a first vertical groove (31) extending in the tire circumferential direction; and a first branch groove (32) and a second branch groove (33) that have smaller internal volumes than the first vertical groove, that extend in the tire width direction, in mutually opposite directions from both ends of the first vertical groove in the tire circumferential direction, and that respectively open to the two outer main grooves. The inner resonators each include: a second vertical groove (36) extending in the tire circumferential direction; and a third branch groove (37) and a fourth branch groove (38) that have smaller internal volumes than the second vertical groove, that extend in the tire width direction, in mutually opposite directions from the second vertical groove, and that respectively open to the two inner main grooves.

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Inventors:

SAHASHI KOHEI (JP)
FUJITA SHUNGO (JP)

Application Number:

PCT/JP2020/012097

Publication Date:

December 17, 2020

Filing Date:

March 18, 2020

Export Citation:

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Assignee:

BRIDGESTONE CORP (JP)

International Classes:

B60C5/00; B60C11/00; B60C11/03

Foreign References:

JP2014213745A	2014-11-17
JP2015171835A	2015-10-01
JP2015168274A	2015-09-28
JP2015113040A	2015-06-22
JP2014213742A	2014-11-17
JP2009001204A	2009-01-08
JP2016040156A	2016-03-24
JP2019108443A	2019-07-04
JP2015171835A	2015-10-01

Other References: