Method for the manufacture of a shaft seal

Details Method for the manufacture of a shaft seal Method for the manufacture of a shaft seal

1994-03-11

1995-10-31

DePumpo, Daniel G.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 11, 277134, 277152, F16J 1532

Patent

active

054622875

ABSTRACT:
A seal for sealing the end of a shaft passing out of the end wall of a casing, as well as for sealing the end wall, is characterized in that a gasket receptacle is manufactured as a light metal pressure die casting, that a polytetrafluoroethylene sealing member is pressed from one side of the gasket receptacle towards which a recess is open and the radially outer portion of the shaft seal ring is injected round on either side with an elastomer material via a connecting channel of the die casting towards an end wall-side groove for receiving a static gasket during its moulding to the gasket receptacle. In the final operating stage, the sealing lip of the sealing member penetrated by a tube is bent axially by drawing onto a sleeve.

REFERENCES:
patent: 3275331 (1966-09-01), Mastrobattista et al.
patent: 4132421 (1979-01-01), Corsi et al.
patent: 4484751 (1984-11-01), Deuring
patent: 4739998 (1988-04-01), Stenslogg et al.
patent: 5123661 (1992-06-01), Johnston et al.
patent: 5209502 (1993-05-01), Savola

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