Metal gasket
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United States of America Patent
Stats
-
Sep 14, 2010
Grant Date -
May 3, 2007
app pub date -
Dec 18, 2006
filing date -
Mar 26, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A metal gasket is formed by first and second metal base plates laminated together. The first metal base plate includes one first half bead around the hole, and a first outer sub-bead section. The first outer sub-bead section is smaller than the first half bead, and is provided outside the first half bead. The second metal base plate includes one second half bead around the hole to project in a direction opposite to the first half bead, and a second outer sub-bead section smaller than the second half bead and provided outside the second half bead. The second outer sub-bead section projects in a direction opposite to the second half bead. When the first and second metal base plates are assembled, the first and second half beads face opposite to each other, and the second outer sub-bead section abuts against the first outer sub-bead section.
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