Concentric piping flex joint

Details Concentric piping flex joint Concentric piping flex joint

1987-01-30

1988-11-15

Callaghan, Thomas F.

Pipe joints or couplings

For branched path

T-type

285223, 285263, F16L 3900

Patent

active

047844108

ABSTRACT:
Several versions of a flex joint (10, 100, 200) are disclosed which provides for relative flexible movement between a first member and a second member about a pivot point. The pivotal motion is provided by the use of elastomeric assemblies which are placed in elastomeric shear as one member pivots relative to the other. With each of the flex joints, at least two concentric and separate passages are formed through the flex joint for carrying fluids and the like through the flex joint. The passages remain separate and essentially unchanging in cross-section throughout the entire range of pivotal motion of the flex joint.

REFERENCES:
patent: 3680895 (1972-08-01), Herbert et al.
patent: 4068864 (1978-01-01), Herbert et al.
patent: 4068868 (1978-01-01), Ohrt
patent: 4121858 (1978-10-01), Schulz
patent: 4121861 (1978-10-01), Gorndt
patent: 4149739 (1979-04-01), Morris
patent: 4173360 (1979-11-01), Bergman et al.
patent: 4416473 (1983-11-01), Lamy et al.
patent: 4515399 (1985-05-01), Sullivan et al.
patent: 4593941 (1986-06-01), Whightsil, Sr.

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