Title:
A TIRE TREAD FOR IMPROVED SNOW PERFORMANCE
Document Type and Number:
WIPO Patent Application WO/2020/090884
Kind Code:
A1
Abstract:
Present invention provides a tread being provided with a plurality of groove and/or a plurality of incision delimitating a plurality of contact element, the plurality of contact element having a top face and a frontal face creating an edge at an intersection, at least one of the plurality of contact element being provided with at least one projection portion projecting radially outwardly from the top face, the projection portion being provided with a chamfered portion on a side facing to the closest edge, the chamfered portion having an angle A, the projection portion is composed of a material different than a material constituting the contact element at least in a portion radially including the chamfered portion, and the material constituting the portion radially including the chamfered portion has a glass transition temperature higher than a glass transition temperature of the material constituting the contact element.
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Inventors:
UCHIDA TOMOTAKE (JP)
KANEKO SHUICHI (JP)
KANEKO SHUICHI (JP)
Application Number:
PCT/JP2019/042570
Publication Date:
May 07, 2020
Filing Date:
October 30, 2019
Export Citation:
Assignee:
MICHELIN & CIE (FR)
International Classes:
B60C11/11; B60C11/00; B60C11/03; B60C11/12; B60C11/13
Foreign References:
| JP2002046424A | 2002-02-12 | |||
| JP2017105411A | 2017-06-15 | |||
| JPH07186630A | 1995-07-25 | |||
| JP2009107376A | 2009-05-21 | |||
| JP2017105411A | 2017-06-15 | |||
| JP2011140254A | 2011-07-21 | |||
| JP2011140253A | 2011-07-21 | |||
| JP2011031831A | 2011-02-17 | |||
| JP2007022242A | 2007-02-01 | |||
| JP2002046424A | 2002-02-12 | |||
| JP2018024771A | 2018-02-15 | |||
| JP2018024771W | 2018-06-29 |
Attorney, Agent or Firm:
WADA Yukihiro (JP)
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