Sealing element

Details Sealing element Sealing element

1990-10-05

1991-12-17

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

49498, F16J 1510

Patent

active

050729527

ABSTRACT:
The present invention refers to a sealing element, particularly for the sealing of joints, having a foam element which is elastically expandable with delay as a result of impregnation and a substantially air-tight cover. In order to obtain improved tightness of the seal while retaining the advantageous ability of use of such a sealing element, the cover forms an open region within which the foam element is exposed.

REFERENCES:
patent: 2686747 (1954-08-01), Wurtz et al.
patent: 3110065 (1963-11-01), Dennis
patent: 3355181 (1967-11-01), Olson
patent: 3542375 (1970-11-01), Renwick
patent: 3775204 (1973-11-01), Thompson et al.
patent: 4156533 (1979-05-01), Close et al.
patent: 4330136 (1982-05-01), Henson
patent: 4401716 (1983-08-01), Tschudin-Mahrer
patent: 4564550 (1986-01-01), Tschudin-Mahrer
patent: 4621731 (1986-11-01), Tschudin-Mahrer
patent: 4790544 (1988-12-01), Kemp
patent: 4977018 (1990-12-01), Irregeher et al.

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