Friction material composition and friction material produced...

Details Friction material composition and friction material produced... Friction material composition and friction material produced...

2008-06-20

2011-10-11

Singh-Pandey, Arti (Department: 1786)

Stock material or miscellaneous articles

Circular sheet or circular blank

Frictional

C106S036000

Reexamination Certificate

active

08034427

ABSTRACT:
Disclosed is a friction material composition, comprising a fiber matrix, a binder, an organic filler, and an inorganic filler, wherein the fiber matrix contains at least two types of mineral fibers different in average fiber length from each other, and the difference between the minimum value and the maximum value among the average fiber lengths of the mineral fibers is 50 μm or more. Also disclosed is a friction material produced by pressure-molding the friction material composition while heating. Further disclosed is a friction material having an underlayer material interposed between a friction surface and a back metal, while the underlayer material is produced by pressure-molding the friction material composition while heating.

REFERENCES:
patent: 2010/0233464 (2010-09-01), Unno
patent: 06-305760 (1994-11-01), None
patent: 07-102080 (1995-04-01), None
patent: 2879364 (1999-01-01), None
patent: 2003301878 (2003-10-01), None
patent: WO 2007/080975 (2007-07-01), None
English translation of International Preliminary Report on Patentability of International Appln. No. PCT/JP2008/061303 dated Jan. 21, 2010.

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