Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1995-07-12
1997-03-11
Cummings, Scott
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277235B, F16J 1508
Patent
active
056093454
ABSTRACT:
This metal gasket comprises a pair of bead plates on which beads are formed so as to extend along the circumferences of combustion chamber holes, and an intermediate plate interposed between the bead plates. The intermediate plate is provided on the parts thereof which are closer to the combustion chamber holes than to the beads on the bead plates with stopper portions comprising stepped portions. These stopper portions constitute compensation portions for the beads on the bead plates. The compensation portions prevent a total compression of the beads on the bead plates when the metal gasket is tightened, offset the irregularity of opposed surfaces of a cylinder head and a cylinder block, improve the sealability with respect to the beads, and protect the beads against corrosion and compression.
REFERENCES:
patent: 5205566 (1993-04-01), Ueta et al.
patent: 5211408 (1993-05-01), Udagawa
patent: 5286039 (1994-02-01), Kawaguchi et al.
Akutsu Tadayoshi
Inoue Kunitoshi
Kubouchi Kenji
Miura Masahiko
Nakata Kazuya
Cummings Scott
Nippon Gasket Co. Ltd.
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