Head gasket having a staked fire rings and method of making same
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United States of America Patent
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-
Apr 21, 1992
Grant Date -
N/A
app pub date -
Jun 25, 1990
filing date -
Jun 25, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A head gasket for an automotive engine having an elongated gasket body comprising a metallic core having upper and lower surfaces, with a plurality of spaced generally circular combustion openings defined by the gasket body. A metallic fire ring is disposed in each combustion opening adjacent the peripheral edge of said combustion opening. A plurality of pairs of stakes displaced radially from the upper and lower surfaces of the fire ring overlying and underlying the metallic core floatingly support the fire rings in the associated combustion openings. A method of making such a head gasket is also disclosed.
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