Stock material or miscellaneous articles – Circular sheet or circular blank – Frictional
Reexamination Certificate
2011-03-29
2011-03-29
Edwards, N. (Department: 1798)
Stock material or miscellaneous articles
Circular sheet or circular blank
Frictional
C106S036000, C523S149000, C188S25100R, C192S10700R
Reexamination Certificate
active
07914871
ABSTRACT:
The present invention relates to a composition for a friction material that is suitable for the production of friction materials such as disc brake pads or brake linings used for braking automobiles or the like, and also relates to a friction material that uses the composition. The composition for a friction material according to the present invention comprises a fibrous substrate, a binder and a filler, wherein the fibrous substrate comprises at least two types of biosoluble ceramic fibers having different fiber lengths.
REFERENCES:
patent: 4622070 (1986-11-01), Sakurai et al.
patent: 2007/0140929 (2007-06-01), Watanabe et al.
patent: 57-187349 (1982-11-01), None
patent: 07-102080 (1995-04-01), None
patent: 2879364 (1999-01-01), None
patent: 2001-072961 (2001-03-01), None
patent: 2003-301878 (2003-10-01), None
Antonelli, Terry Stout & Kraus, LLP.
Edwards N.
Hitachi Chemical Co. Ltd.
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