Invention Grant
- Patent Title: Non-asbestos friction material composition, friction material using same, and friction member
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Application No.: US13819736Application Date: 2011-11-07
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Publication No.: US09863493B2Publication Date: 2018-01-09
- Inventor: Takashi Kikudome , Mitsuo Unno , Kazuya Baba
- Applicant: Takashi Kikudome , Mitsuo Unno , Kazuya Baba
- Applicant Address: JP Tokyo
- Assignee: HITACHI CHEMICAL COMPANY, LTD.
- Current Assignee: HITACHI CHEMICAL COMPANY, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Fitch, Even, Tabin & Flannery, LLP
- Priority: JP2010-259504 20101119
- International Application: PCT/JP2011/075642 WO 20111107
- International Announcement: WO2012/066967 WO 20120524
- Main IPC: F16D65/092
- IPC: F16D65/092 ; F16D69/02

Abstract:
A non-asbestos frictional material composition is provided, which is capable of provide a frictional material with low environmental load and with excellent friction coefficient, anti-crack properties, and abrasion resistance compared with conventional ones. Furthermore, a frictional material and a friction member formed by using this non-asbestos frictional material composition are provided. The non-asbestos frictional material composition containing a binder, an organic filler, an inorganic filler, and a fiber base material, includes: copper in a content of 5 mass % or less as a copper element; a metal fiber other than a copper fiber and a copper alloy fiber in a content of 0.5 mass % or less; cashew dust in a content of 1.5-4.5 mass % as the organic filler; zirconium oxide with a particle size of 30 μm or less in a content of 30-45 mass % but not containing zirconium oxide with a particle size of more than 30 μm as the inorganic filler.
Public/Granted literature
- US20130220747A1 NON-ASBESTOS FRICTION MATERIAL COMPOSITION, FRICTION MATERIAL USING SAME, AND FRICTION MEMBER Public/Granted day:2013-08-29
Information query
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