Sliding surface packing

Details Sliding surface packing Sliding surface packing

1980-04-03

1981-12-22

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277188R, 277DIG6, 92168, F16J 1512, F16J 1518

Patent

active

043067280

ABSTRACT:
A sliding surface packing for use in pumps and particularly high-pressure pumps between spaced apart pair of prop rings and a pump plunger and a pump cylinder wall comprises a plurality of packing rings arranged between the prop rings. At least one of the packing rings comprises a rigid high-pressure ring and at least one packing ring comprises a flexible leakage ring and at least one packing ring comprises a high-pressure ring. A plurality of self-lubricating packing rings form guide rings embedding the leakage ring between adjacent ones of said self-lubricating guides forming a pack of laminations.

REFERENCES:
patent: 2292543 (1942-08-01), Patterson
patent: 3019739 (1962-02-01), Prosser
patent: 3168869 (1965-02-01), Sieghartner
patent: 3231460 (1966-01-01), Andrews
patent: 3559950 (1971-02-01), Nelson
patent: 3655207 (1972-04-01), Schettler
patent: 3698726 (1972-10-01), Schettler

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