Metal gasket

Details Metal gasket Metal gasket

1998-10-06

2000-10-24

Knight, Anthony

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal between parts of internal combustion engine

F02F 1100

Patent

active

061354597

ABSTRACT:
In this metal gasket, the stopper plate stacked on the bead base plates has its reduced thickness portionwhose thickness is smaller than the thickness of the stopper plate body-folded back to form a stopper portion. This structure provides the stopper portion with a limited stopper function with fewer parts. Between a pair of bead base plates that seal around the bore holes of the metal gasket is clamped an intermediate plate as the stopper plate. Around the bore holes in the intermediate plate are arranged folded portions, whose total thickness is larger than the thickness of the stopper plate body, to restrict the deformation of the beads. The folded portions are formed by folding back fold parts onto base parts that are thinner than the stopper plate body. This structure can limit the step height (stopper height) of the intermediate plate without using other parts such as metal plates or stopper pieces.

REFERENCES:
patent: 5310196 (1994-05-01), Kawaguchi et al.
patent: 5348315 (1994-09-01), Kawaguchi et al.
patent: 5588657 (1996-12-01), Fujisawa et al.
patent: 5927724 (1999-07-01), Maschmann et al.
patent: 5988650 (1999-11-01), Plunkett

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