Cylinder head cover with gasket and method of making the gasket

Details Cylinder head cover with gasket and method of making the gasket Cylinder head cover with gasket and method of making the gasket

1987-11-12

1989-04-11

Griffin, Donald A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

549215, F16J 1506, C07F 710

Patent

active

048199532

ABSTRACT:
A cylinder head cover wherein the pan-shaped metallic body has a marginal portion with a groove for a portion of a gasket which is formed on the marginal portion prior to attachment of the cover to the cylinder head of an internal combustion engine. The underside of the marginal portion is coated with one or more layers of a coupling agent and a mold is placed over the marginal portion to define therewith an endless cavity which receives a supply of plasticized silicon rubber at an elevated temperature. The injected material is then heated to vulcanization temperature and is thereupon allowed or caused to set by cooling so that it forms an elastic sealing ring which is bonded to the marginal portion of the cover by the coupling agent. The mold is then removed from the marginal portion and the cover is secured to the cylinder head by fasteners which extend through the bottom wall of the pan-shaped body and are surrounded by noise-damping elastic sealing rings.

REFERENCES:
patent: 4192520 (1980-03-01), Hasegawa
patent: 4206931 (1980-06-01), Tomita et al.
patent: 4284479 (1981-08-01), Schulte
patent: 4456268 (1984-06-01), Penn et al.
patent: 4501432 (1985-02-01), Kuniyoshi et al.
patent: 4575578 (1986-03-01), Bogan et al.
patent: 4673750 (1987-06-01), Beers et al.
Dept. of Army Technical Manual TM9-8000.
Dept. of Air Force Technical Manual To 36A-1-76.
Department of Army and Air Force, Jan. 1956, Principles of Automotive Vehicles, p. 54.

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