Secondary seal for tubing joined via V-band couplings

Details Secondary seal for tubing joined via V-band couplings Secondary seal for tubing joined via V-band couplings

1978-06-28

1980-01-29

Callaghan, Thomas F.

Pipe joints or couplings

Packed

Flanged pipe

277236, 285DIG18, F16L 2304

Patent

active

041858581

ABSTRACT:
A device for sealing the joint between ducts having sheet metal flanges mated with V-band couplings. Seal assemblies are interposed between the V-band coupling and the abutting duct flanges. As the V-band coupling is tightened to draw the ends of the duct flanges together the seal assembly is compressed, deforming the sealing material in contact with the duct flanges and effectuating a tight seal therebetween. A variety of seal assembly configurations are contemplated including those of continuous or segmented structure, those having compressible resilient materials or ductile metals as sealing materials, and those having a support band bonded to the sealing material for added structural rigidity.

REFERENCES:
patent: 1863122 (1932-06-01), Matthews
patent: 2050137 (1936-08-01), Walsh
patent: 2489587 (1949-11-01), Rice
patent: 3235293 (1966-02-01), Condon
patent: 3464722 (1969-09-01), Larkin
patent: 3563571 (1971-02-01), Werra
patent: 3762746 (1973-10-01), Amada
patent: 3822075 (1974-07-01), Duncan

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