Title:
FRICTION MATERIAL
Document Type and Number:
WIPO Patent Application WO/2021/125143
Kind Code:
A1
Abstract:
The problem addressed by the present invention is to provide a friction material having a sufficient friction coefficient, being capable of suppressing brake squeal, and having high strength. The present invention relates to a friction material comprising a friction adjusting material, a binder, and a fiber base material, the friction material containing steel fibers as the fiber base material, natural graphite as a lubricant, and no titanate, wherein the content of copper is 0.5% by mass or less in terms of copper element.
Inventors:
KODA ATSUSHI (JP)
OISHI KAZUHIKO (JP)
KIMURA HIROYUKI (JP)
OISHI KAZUHIKO (JP)
KIMURA HIROYUKI (JP)
Application Number:
PCT/JP2020/046600
Publication Date:
June 24, 2021
Filing Date:
December 14, 2020
Export Citation:
Assignee:
AKEBONO BRAKE IND (JP)
International Classes:
F16D69/02; C09K3/14
Foreign References:
| JP2014196445A | 2014-10-16 | |||
| JP2007254621A | 2007-10-04 | |||
| KR20100127968A | 2010-12-07 | |||
| CN108300412A | 2018-07-20 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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