Swivel joint

Details Swivel joint Swivel joint

1986-09-17

1987-09-15

Callaghan, Thomas F.

Pipe joints or couplings

With lubrication

285 96, 285276, 285351, F16L 2708

Patent

active

046935002

ABSTRACT:
This is a novel swivel joint for connecting two fluid conveying conduits. It includes an inner cylinder connected to one conduit and an outer cylinder connected to the other conduit. There is a double seal with a pressure chamber therebetween the two cylinders at one end thereof and a second double seal with pressure chamber therebetween at the other end. Four sets of bearing means are located between the inner and outer cylinders between the two double seals.

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patent: 2514417 (1950-07-01), Roofe
patent: 2770475 (1956-11-01), Rafferty
patent: 2810592 (1957-10-01), Williams
patent: 3264006 (1966-08-01), Downs
patent: 3600010 (1971-08-01), Downs et al.
patent: 3694008 (1972-09-01), Slator et al.
patent: 4478438 (1984-10-01), Elorriaga, Jr.
patent: 4479669 (1984-10-01), Hynes
patent: 4561679 (1985-12-01), Choate

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