Cylinder head gaskets with aperture reinforcing means

Details Cylinder head gaskets with aperture reinforcing means Cylinder head gaskets with aperture reinforcing means

1984-12-05

1986-10-28

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277233, F16J 1512

Patent

active

046194592

ABSTRACT:
A gasket comprises a flat body portion having two gasket facings and an inner reinforcing core, the gasket having an aperture defined therein, said aperture being provided with secondary sealing means comprising flat annuli located on opposite faces of the body portion in those regions there of surrounding and adjacent the aperture, the annuli extending into the aperture to provide annular primary sealing means radially inwardly of the margin of the aperture, and is characterized in that one of said annuli is folded around radially outwardly of the aperture to at least partially enclose, locate and retain a primary sealing ring radially inwardly of and relative to the margin of the aperture, said primary sealing ring comprising marginal portions of both of said annuli and co-operating portion of said reinforcing core which projects radially inwardly of the aperture from flat body portion.

REFERENCES:
patent: 1846402 (1932-02-01), Oven
patent: 4317576 (1982-03-01), Barker et al.

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