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Title:
A TIRE COMPRISING A TREAD
Document Type and Number:
WIPO Patent Application WO/2017/104781
Kind Code:
A1
Abstract:
A tire having a tread, said tread comprising at least two radially superposed portions (8, 9) comprising: - a surfacic portion (8) intended to come into contact with ground during rolling at least when the tread is new and in the cured state, the surfacic portion (8) being made of a rubber composition A; - an internal portion (9) radically inner located to the surfacic portion (8), the internal portion (9) being made of a rubber composition B; wherein each of the rubber compositions A and B comprises at least a diene elastomer, between 50 and 150 phr of a reinforcing filler, between 20 and 160 phr of a plasticizer, and microparticles; wherein a content of the microparticles in the rubber composition A is between 2 and 40 phr, said content CA being higher than a content of the microparticles in the rubber composition B.

Inventors:
ROTY GAEL (JP)
FUKASAWA HIROKO (JP)
WATANABE MAKIKO (JP)
Application Number:
PCT/JP2016/087483
Publication Date:
June 22, 2017
Filing Date:
December 16, 2016
Export Citation:
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Assignee:
MICHELIN & CIE (FR)
MICHELIN RECH TECH (CH)
ROTY GAEL (JP)
International Classes:
B60C1/00; C08L7/00
Domestic Patent References:
WO2011073188A12011-06-23
WO2010009850A12010-01-28
WO2012052331A12012-04-26
WO1997036724A21997-10-09
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WO2008003434A12008-01-10
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Foreign References:
FR2989090A12013-10-11
FR2966157A12012-04-20
US20050016651A12005-01-27
US20050016650A12005-01-27
US7217751B22007-05-15
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US20040051210A12004-03-18
Other References:
DATABASE WPI Week 201023, Derwent World Patents Index; AN 2010-D22347, XP002767952
R. MILDENBERG; M. ZANDER; G. COLLIN: "Hydrocarbon Resins", 1997, VCH
Attorney, Agent or Firm:
WADA Yukihiro (JP)
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