Tapered seal seat between stationary insert and gland

Details Tapered seal seat between stationary insert and gland Tapered seal seat between stationary insert and gland

1980-10-09

1982-12-21

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 87, F16J 1538, F16J 1536

Patent

active

043645712

ABSTRACT:
A mechanical seal assembly having an improved packing arrangement between the gland and the insert. The packing arrangement utilizes a laminated graphite packing positioned within an annular recess formed between the gland and the insert. One of the annular seats for the packing, such as the inner annular surface defined on the insert, is provided with a slightly tapered configuration so that the continual urging of the insert toward the gland, coupled with the tapered configuration of the seating surface, causes the packing to be continuously compressed and reseated against the inner and outer seating surfaces, whereby leakage of corrosive and/or high temperature fluid past the packing is greatly reduced.

REFERENCES:
patent: 3031199 (1962-04-01), Laser et al.
patent: 3043598 (1962-07-01), Moxon
patent: 3445119 (1969-05-01), Andresen
patent: 3484113 (1969-12-01), Moore
patent: 3655206 (1972-04-01), Adams
patent: 3773337 (1973-11-01), Adams
patent: 3807742 (1974-04-01), Hershey
patent: 4124218 (1978-07-01), Wentworth

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