Sealing device with thermal expansion pressure accumulator

Details Sealing device with thermal expansion pressure accumulator Sealing device with thermal expansion pressure accumulator

1981-02-04

1982-08-10

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 26, 277 27, 277103, 277135, F16J 1540, F16J 1546

Patent

active

043434770

ABSTRACT:
For sealing between two metal parts, e.g. a bonnet and a pipe string when one is coaxially received in a recess of the other, the sealing annulus includes a body of elastomeric material in communication with a reservoir of such material. This reservoir is provided with a structure for pressurizing the elastomeric material for receiving excess of such material from the sealing annulus and for supplying such material to the sealing annulus to prevent a deficiency.

REFERENCES:
patent: 572053 (1896-11-01), Garlock
patent: 1914741 (1933-06-01), Gysling
patent: 2174366 (1939-09-01), Guiberson et al.
patent: 3129948 (1964-04-01), Kendall
patent: 3277797 (1966-10-01), Tyree et al.
patent: 3403915 (1968-10-01), Roberts

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