Title:
FRICTION MATERIAL
Document Type and Number:
WIPO Patent Application WO/2019/022011
Kind Code:
A1
Abstract:
A friction material which comprises a fibrous base, a binder, a lubricating material, an organic filler, and an inorganic filler, the friction material having a copper element content of 0.5 wt% or less with respect to the whole friction material, wherein the lubricating material comprises graphite having an average particle diameter of 10.0 μm or smaller and the inorganic filler includes barium sulfate, which comprises small-diameter barium sulfate having an average particle diameter of 1.5 μm or smaller and a purity of 95.0% or higher.
Inventors:
SUZUKI SHUSUKE (JP)
ODANI NAOKI (JP)
KOBAYASHI MASAAKI (JP)
ODANI NAOKI (JP)
KOBAYASHI MASAAKI (JP)
Application Number:
PCT/JP2018/027508
Publication Date:
January 31, 2019
Filing Date:
July 23, 2018
Export Citation:
Assignee:
ADVICS CO LTD (JP)
International Classes:
C09K3/14; F16D69/02
Foreign References:
| JP2014031469A | 2014-02-20 | |||
| JPH01204728A | 1989-08-17 | |||
| JP2016079251A | 2016-05-16 | |||
| JPH1161105A | 1999-03-05 | |||
| JP2010222555A | 2010-10-07 | |||
| US5114769A | 1992-05-19 |
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