Swivelling coupling for fluid

Details Swivelling coupling for fluid Swivelling coupling for fluid

1975-03-10

1976-09-14

Callaghan, Thomas F.

Pipe joints or couplings

Elbow

137271, 285 93, 285137R, 285215, 285281, 285323, F16L 3904

Patent

active

039803244

ABSTRACT:
This coupling comprises a rotary cylindrical portion which is recessed and an outlet opening whose lower edge is placed level with the lowest point of a surface which is inclined relative to the rotation axis, whereby the said surface is placed adjacent to the axis and the side opposite to the said opening.
This coupling is more particularly intended to be used on the inlets and outlets of pneumatic automatic control modules.

REFERENCES:
patent: 925762 (1909-06-01), Eager
patent: 1117251 (1914-11-01), Safberg
patent: 2366809 (1945-01-01), Seemann
patent: 2764429 (1956-09-01), Betzler
patent: 3145035 (1964-08-01), Hanback
patent: 3650549 (1972-03-01), Pepper
patent: 3653689 (1972-04-01), Sapy et al.
patent: 3844586 (1974-10-01), Olen
patent: 3888518 (1975-06-01), Delessert

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