Seal assembly

Details Seal assembly Seal assembly

1982-04-14

1983-09-27

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1512, F16J 1524

Patent

active

044064683

ABSTRACT:
This invention is a seal assembly for sealing fluid needles, spindles and other movable cylindrical objects where a fluid tight seal is needed between the fluid and non-fluid sides of the movable cylindrical object. The seal includes a packing member with a sharply cut-off tubular end and a stop member with a conical recess, both of which encircle the movable cylindrical object. An unrestrained flow cavity is defined by the packing member and the stop member. Positioned behind the packing member are a spring and washer which axially bias the packing member into the conical recess.

REFERENCES:
patent: 407533 (1889-07-01), Kellogg
patent: 3047298 (1962-07-01), St. Clair et al.

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