Sealing device

Details Sealing device Sealing device

1979-06-18

1981-03-10

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277152, 277180, 277207R, 277214, 52208, 49 40, 49466, 49489, 49495, F06B 716, F16J 1510

Patent

active

042549604

ABSTRACT:
A sealing device comprising a door or gasket of rigid material curved in one direction and straight in another, as in the form of a portion of a cylinder, and having convex and concave surfaces. Either or both such surfaces has a circumferentially continuous groove across the straight and curved portions that contains a molded in place packing of resilient material. The packing has a portion projecting from the groove and has a recess extending into the groove. The sides of the recess are either parallel to a transverse axis whose direction corresponds to the direction of travel of the mold members relative to each other when separating so that there are no undercuts in the packing material into which portions of the mold would project and prevent separation of the mold members after the molding operation without damaging the packing.

REFERENCES:
patent: 2091747 (1937-08-01), Accardi
patent: 2659686 (1953-11-01), Watkins
patent: 2717793 (1955-09-01), Nenzell
patent: 2995057 (1961-08-01), Nenzell
patent: 3031200 (1962-04-01), Hamer
patent: 3061321 (1962-10-01), Smith
patent: 3088627 (1963-05-01), Saunders
patent: 3892417 (1975-07-01), Clayton
patent: 3936059 (1976-02-01), Jordon
patent: 3987596 (1976-10-01), Wolf

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