Swivel joint

Details Swivel joint Swivel joint

1982-02-18

1984-12-11

Scanlan, Jr., Richard J.

Pipe joints or couplings

With lubrication

285 98, 285106, 285100, 285281, F16L 2100, F16L 1700, F16L 2700

Patent

active

044874359

ABSTRACT:
In a swivel joint which leads high-pressure liquid in a fixed pipe into a rotatable pipe coupled slidably to said fixed pipe, a lubricating chamber is provided in the neighborhood of sliding area between the fixed and rotatable pipes, and lubricant having at least same pressure as that of said high-pressure liquid is led into said lubricating chamber for smooth rotation and prevention of leakage of the high-pressure liquid and abrasion of the sldiing area.

REFERENCES:
patent: 1977763 (1934-10-01), Gordon
patent: 2536292 (1951-01-01), Kollsman
patent: 2906548 (1959-09-01), Faccou
patent: 3306636 (1967-02-01), Hereth
patent: 3746372 (1973-07-01), Hynes et al.
patent: 3877732 (1975-04-01), Mohaupt
patent: 3944263 (1976-03-01), Arnold
patent: 4311327 (1982-01-01), Ortloff et al.

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