Metal gasket
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United States of America Patent
Stats
-
May 8, 2007
Grant Date -
Nov 4, 2004
app pub date -
Mar 19, 2004
filing date -
Mar 26, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A metal gasket with a hole to be sealed includes first and second metal base plates laminated together. The first metal base plate has a first main bead around the hole, and a first outer sub-bead section smaller than the first main bead and provided outside the first main bead. The second metal base plate has a second main bead around the hole, and a second outer sub-bead section smaller than the second main bead and provided outside the second main bead. The second outer sub-bead section abuts against the first outer sub-bead section for sealing.
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