Seal

Seal for a joint or juncture – Seal between relatively movable parts – Circumferential contact seal for other than piston

Reexamination Certificate

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Details

C277S549000, C277S550000, C277S571000, C277S572000, C277S573000

Reexamination Certificate

active

06945535

ABSTRACT:
A seal, especially for shafts movable in a translational direction, has at least one static sealing area and at least one dynamic sealing area and another sealing point outside of the dynamic sealing area. The other sealing point is formed by at least two elements functionally connected to each other, one of which at least one is stationary and at least one other is movable, following a shaft stroke.

REFERENCES:
patent: 2983125 (1961-05-01), Peickii et al.
patent: 3563556 (1971-02-01), Scott
patent: 4325557 (1982-04-01), Kawamoto
patent: 4357026 (1982-11-01), Panchetti
patent: 5421592 (1995-06-01), Petrak
patent: 5525112 (1996-06-01), Smith
patent: 5649709 (1997-07-01), Munekata et al.
patent: A 621526 (1947-12-01), None

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