Two piece seal adapted for simplified installation

Details Two piece seal adapted for simplified installation Two piece seal adapted for simplified installation

1981-10-13

1984-03-13

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1534

Patent

active

044363150

ABSTRACT:
A seal assembly for reception in a tapered counterbore which seal assembly includes a primary metal sealing ring with a seal band disposed on one end face thereof, and which further includes a frusto-conical or other tapered center portion and an opposite end portion which is contoured to receive and hold a secondary sealing ring, and a secondary sealing ring of annular configuration and having a generally central portion including, in its unstressed condition, a body with a cental body portion of generally circular cross section and including means lying outside the central body portion and adapted to engage the counterbore and/or the opposite end portion of the primary seal ring for positive location of the secondary seal ring during installation, with the counterbore or opposite end portion engaging means being positioned so as to move out of engagement with said tapered center portion and said counterbore respectively, so that said counterbore and tapered center portion, respectively, engage the round surface portions of said sealing rings central body portion when said primary and secondary sealings rings are in position of use within said counterbore and under a sealing load.

REFERENCES:
patent: 3272519 (1966-09-01), Voitik
patent: 3826506 (1974-07-01), Eckert
patent: 4090516 (1978-06-01), Morley et al.

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