Sealing apparatus

Details Sealing apparatus Sealing apparatus

1997-01-29

1999-05-04

Knight, Anthony

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

277560, 277565, F16J 1532

Patent

active

058994610

ABSTRACT:
A sealing device comprising a housing 3 provided with an annular piston insert hole 5, an annular piston member 6 slidably inserted into the piston insert hole 5 of the housing 3, and seal lips 7, 8 provided in inner and outer peripheries of the piston member 6 and placed in slidably sealing contact with inner and outer peripheral surfaces of said piston insert hole 5, in which rugged portions 9, 91 are provided on the sliding surfaces of the seal lips 7, 8.

REFERENCES:
patent: 2446380 (1948-08-01), Meyers et al.
patent: 3144256 (1964-08-01), Wright
patent: 3501155 (1970-03-01), Dega et al.
patent: 3749464 (1973-07-01), Satterthwaite
patent: 4709930 (1987-12-01), Forch
patent: 4858516 (1989-08-01), Klein
patent: 5083802 (1992-01-01), Shimasaki et al.
patent: 5172793 (1992-12-01), Temple et al.
patent: 5244215 (1993-09-01), Cather, Jr. et al.
patent: 5507505 (1996-04-01), Von-Arndt et al.
patent: 5615894 (1997-04-01), vom Schemm

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