Mechanical seal

Details Mechanical seal Mechanical seal

1988-06-23

1990-03-06

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 38, 277 85, 277 87, 277 93SD, F16J 1534, F16J 1538

Patent

active

049060082

ABSTRACT:
A positive bearing housing seal is provided in which the stationary, and possibly a reducer having the same peripheral shaped of the stationary, is employed for installing and aligning the stationary and the rotary with respect to the shaft. A flat surface of the stationary is moved against a flat surface of the rotary until the flat surface of the stationary engages a machine wall or, if a reducer is used, a flat surface of the reducer. The shaft is then rotated to establish squareness. The stationary is then removed from the shaft, reversed in the axial direction, and reinstalled such that a flexible extension thereof, including a peripheral bead, is inserted into engagement with the inner surface of an annular opening in the machine wall or an annular opening in the reducer.

REFERENCES:
patent: 2189197 (1940-02-01), Cerny
patent: 2756080 (1956-07-01), Andresen et al.
patent: 3467395 (1969-09-01), Kon
patent: 3784213 (1974-01-01), Voitik
patent: 3841642 (1974-10-01), Kirker, Jr.
patent: 4136885 (1979-01-01), Uhrner
patent: 4389051 (1983-06-01), Mullaney
EG&G SEALOL, Type 7 Seal.
Dayton, Type 68 Seal.

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