Three-part seal construction

Details Three-part seal construction Three-part seal construction

1977-05-25

1978-10-10

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

49488, 49490, 49493, 49495, 296 93, F16J 1510, E06B 716

Patent

active

041193253

ABSTRACT:
A seal construction for a container door which has a first resiliently deformable part of predetermined generally channel sectioned shape for application to the edge portions of a container door to preclude the passage of moisture to the door edges, and a second part connected to the first part and having at least one resiliently deformable sealing arm for sealing engagement with a portion of the container around the door opening. In the preferred arrangement, the first and second parts are separate and a third part is provided to connect the two parts together, and in one arrangement the tips of the arms of the channel shaped part are of a softer material than the remainder of the seal. In a second construction, the tip of one of said arms is joined to the remainder of the arm by a softer portion and in this second construction the whole seal may be a one-piece extrusion.

REFERENCES:
patent: 1877729 (1932-09-01), Chaffee
patent: 2329791 (1943-09-01), Sevison
patent: 2475131 (1949-07-01), Edwards et al.
patent: 2772915 (1956-12-01), Renno
patent: 2912727 (1959-11-01), Sehn
patent: 3161925 (1964-12-01), Bertolini
patent: 3323256 (1967-06-01), Reahard et al.
patent: 3694985 (1972-10-01), Spaiches
patent: 3886686 (1975-06-01), Urbanick
patent: 4001974 (1977-01-01), Wright
patent: 4015368 (1977-04-01), Court et al.

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