Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1987-02-24
1987-12-22
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277234, 277236, F16J 1508
Patent
active
047142600
ABSTRACT:
A steel laminate gasket for an internal combustion engine having at least one hole therein comprises a first plate having at least one first hole, a second plate having at least one second hole, and at least one middle plate situated between the first and second plates. The second plate includes at least one second inner portion situated around the second hole, at least one curved portion extending radially outwardly from the second inner portion relative to the second hole and extending diagonally relative to the second inner portion, and an outer portion extending outwardly from the curved portion parallel to the second inner portion. The second inner portion abuts against the first plate. The middle plate includes at least one third hole slightly larger than the first and second holes, at least one inner edge around the third hole, at least one bead formed around the third hole adjacent to the inner edge, and an outside portion extending outwardly from the bead. The inner edge of the middle plate is situated adjacent to the curved portion.
REFERENCES:
patent: 4213620 (1980-07-01), Kennedy et al.
patent: 4284282 (1981-08-01), Lonne
Hamburg C. Bruce
Ishikawa Gasket Co. Ltd.
Jordan Frank J.
Kanesaka Manabu
Ward Robert S.
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