Multiple-lip seal for cylinder rod and the like

Details Multiple-lip seal for cylinder rod and the like Multiple-lip seal for cylinder rod and the like

1987-04-27

1988-01-05

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277152, 277205, F16J 1532

Patent

active

047171618

ABSTRACT:
An integral sealing system for a cylinder or piston rod and the like, for bearing, sealing and wiping a piston rod during reciprocating motion, is a molded polymeric unit. The integral system includes a body terminating at one end in a divergent pair of generally axially-extending annular tapered lips, the outer surfaces of the pair of lips defining sealing surfaces. The body of the integral system terminates at the other end in an inwardly tapering surface and protruding lip for wiping of the rod surface to exclude contaminants.

REFERENCES:
patent: 4239245 (1980-12-01), Giglio et al.
patent: 4336946 (1982-06-01), Wheeler
patent: 4369977 (1983-01-01), Bishop et al.
patent: 4425838 (1984-01-01), Pippert
Chesterton Sealing Devices, published by A. W. Chesterton Company, 1982, pp. 61 and 65.

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