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Title:
FRICTION MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/189649
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a friction material which is capable of suppressing the occurrence of rust sticking even in cases where the friction material is subjected to a high-temperature thermal history (for example, the temperature of a counterpart member is around 400°C), and which is also capable of suppressing the occurrence of creep groan. The present invention relates to a friction material which comprises a friction regulating material, a binder and a fiber base material, and which contains, as the friction regulating material, an alkali metal salt of phosphoric acid and a metal sulfide.

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Inventors:
WATANABE YUTA (JP)
MIYAJI MOTOYUKI (JP)
YAMAMOTO HIROSHI (JP)
TAKADA TAKUYA (JP)
Application Number:
PCT/JP2020/011572
Publication Date:
September 24, 2020
Filing Date:
March 16, 2020
Export Citation:
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Assignee:
AKEBONO BRAKE IND (JP)
International Classes:
C09K3/14; F16D69/02
Domestic Patent References:
WO2005057042A22005-06-23
WO1995002657A11995-01-26
Foreign References:
JP2000256651A2000-09-19
JPH0354298A1991-03-08
CN108679129A2018-10-19
JP2014012766A2014-01-23
JP2017008167A2017-01-12
JP2019053713A2019-04-04
Other References:
See also references of EP 3943571A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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