Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1983-02-01
1984-08-14
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523155, 523156, C08K 322
Patent
active
044657960
ABSTRACT:
A friction lining suitable for brakes, clutches etc. comprises mineral fibres which contain alumina, Al.sub.2 O.sub.3, silica, SiO.sub.2, and lime, CaO. The mineral fibres have a percentage by weight of alumina, Al.sub.2 O.sub.3, of between 18% and 25%, a percentage by weight of silica, SiO.sub.2, of between 38% and 45% and a percentage by weight of lime, CaO, of between 23% and 33% and preferably of the order of 27%. Moreover, the mineral fibres contain iron oxide, Fe.sub.2 O.sub.3, in a proportion by weight of between 0.5% and 1%, alkali metal oxides, Na.sub.2 O and K.sub.2 O, in a proportion by weight of between 4% and 10% and magnesia, MgO, in a proportion by weight of between 0.5% and 3%.
REFERENCES:
patent: 3896075 (1975-07-01), Longley
patent: 4150011 (1979-04-01), Searfoss et al.
patent: 4187209 (1980-02-01), Searfoss et al.
patent: 4268467 (1981-05-01), Wagner
patent: 4273699 (1981-06-01), Chester
patent: 4374059 (1983-02-01), Wagner
patent: 4388423 (1983-06-01), Kaufman et al.
Leroy Pierre
Pilache Michel
Jacobs Lewis T.
Valeo
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