Device for joining the end of a helically corrugated metal tube

Details Device for joining the end of a helically corrugated metal tube Device for joining the end of a helically corrugated metal tube

1996-11-18

1998-04-14

Arola, Dave W.

Pipe joints or couplings

Flexible joint, rigid members

Bellows

285363, 285368, 285903, 285906, 285910, F16L 2104

Patent

active

057383855

ABSTRACT:
A device for joining the end of a helically corrugated metal tube to a connector or a second helically corrugated metal tube includes a back-up ring, pressure ring and a sealing ring. The connector is provided with a conical transition and an expanded diameter. The second helically corrugated tube is provided with a second back-up ring and pressure ring.

REFERENCES:
patent: 289967 (1883-08-01), Duffy
patent: 3844587 (1974-10-01), Fuhrmann et al.
patent: 4063757 (1977-12-01), Fuhrmann

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