Title:
A NOISE IMPROVING TREAD
Document Type and Number:
WIPO Patent Application WO/2020/262596
Kind Code:
A1
Abstract:
Present invention provides a tread for a tire having a contact face of a width TW intended to come into contact with ground during rolling, the tread being provided with at least one groove of a depth D provided with a wear indicating mean and extending generally in circumferential orientation and opening to the contact face, the tread comprising a center region and a pair of shoulder regions being positioned on two axial sides of the center region, the pair of shoulder regions each comprising a shoulder rubber layer of a thickness ts made of a shoulder rubber composition different from a rubber composition constituting the tread, a shear storage modulus G' of the shoulder rubber composition measured at 23°C, 10Hz and 10% of strain is less than or equal to 1.0 MPa.
Inventors:
PROU JORIS (JP)
BABAUD JACQUES (JP)
BABAUD JACQUES (JP)
Application Number:
PCT/JP2020/025174
Publication Date:
December 30, 2020
Filing Date:
June 26, 2020
Export Citation:
Assignee:
MICHELIN & CIE (FR)
International Classes:
B60C11/00; B60C11/24
Domestic Patent References:
| WO2014005929A1 | 2014-01-09 | |||
| WO2012119844A1 | 2012-09-13 | |||
| WO2014005929A1 | 2014-01-09 |
Foreign References:
| EP2522530A1 | 2012-11-14 | |||
| EP0827845A1 | 1998-03-11 | |||
| JP2000198319A | 2000-07-18 | |||
| JP2009286317A | 2009-12-10 | |||
| EP2522530A1 | 2012-11-14 |
Attorney, Agent or Firm:
WADA Yukihiro (JP)
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