Cylinder head gasket

Details Cylinder head gasket Cylinder head gasket

1984-07-24

1985-02-19

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277234, 277DIG6, F16J 1512, B65D 5300

Patent

active

045001006

ABSTRACT:
A cylinder head gasket having at least one plate of soft material and at least one combustion chamber opening, said soft material including predominantly inorganic fibers and/or filling materials connected by binding means and including free OH groups, the soft material is mixed with a first impregnating material comprising a polysiloxane containing reactive hydrogen groups for reaction with the free OH groups of the fibers or filling materials and a second impregnating material which consists of a second polysiloxane of a higher degree of polymerization than the first polysiloxane and which polymerizes with itself as well as with the reactive hydrogen groups of the first polysiloxane, said second polysiloxane forming a stable siloxane structure having more branches than the first polysiloxane.

REFERENCES:
patent: 2211045 (1940-08-01), Balfe
patent: 2828988 (1958-04-01), Gorsica et al.
patent: 2943010 (1960-06-01), Stefl et al.
patent: 4169185 (1979-09-01), Bhatia

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