Stuffing box with outer flexible tube to allow shaft gyratory mo

Details Stuffing box with outer flexible tube to allow shaft gyratory mo Stuffing box with outer flexible tube to allow shaft gyratory mo

1982-09-21

1983-10-11

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277112, 277125, 277147, 277178, F16J 1518

Patent

active

044087691

ABSTRACT:
Stuffing box, comprising two hollow annuli spaced apart and adapted to surround a shaft spaced from it, the annuli having annular flanges projecting towards each other. A flexible tube is provided having its opposite ends seating on the annular flanges and secured thereto in gas-tight manner, and a rigid tube is situated within the flexible tube and spaced radially from it and adapted to surround the shaft and to be spaced from it. A radially inwardly extending flange is provided at one end of the rigid tube, together with packing rings within the rigid tube, and a tubular presser member is situated in the other end of the rigid tube. Means is provided for supporting the presser member and urging it into the rigid tube to compress the packing rings against the flange.

REFERENCES:
patent: 3009718 (1961-11-01), Mayer
patent: 3179425 (1965-11-01), Andresen
patent: 4270762 (1981-06-01), Johnston
patent: 4330135 (1982-05-01), Butterfield

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