Metallic gasket
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United States of America Patent
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-
Apr 8, 1997
Issued Date -
N/A
app pub date -
Apr 5, 1995
filing date -
Jun 4, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
In a metallic gasket in which a plate member having at least one flexible metal plate has a hole, a flat portion formed at the periphery of the hole and a bead disposed concentrically with the hole to the outside of the flat portion is sandwiched between joining faces, an annular stopper is secured to the plate member at a position corresponding to the flat portion on the side of the hole. The stopper is made of a metal material different from the plate member and formed to an increased thickness at a portion for a larger gap, and formed to a decreased thickness at a portion for a smaller gap depending on the difference of the size of the gap between the joining faces.
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