Field assembled gas riser

Details Field assembled gas riser Field assembled gas riser

1995-01-05

1997-01-07

Arola, Dave W.

Pipe joints or couplings

With assembly means or feature

With holding means functioning only during transportation...

285 55, 285 93, 285174, 285258, 285286, 285351, 29237, 29507, 29523, F16L 5500

Patent

active

055909140

ABSTRACT:
A field assembled gas riser includes an adapter having plural inner grooves that receive the outer surface of a plastic gas line as it is plastically deformed by axial insertion of a stiffener into the gas line. The gas line is terminated at a desired location, the adapter slid over the terminated end, and a stiffener manually inserted into the gas line. Continued axial advancement of the stiffener acts as a mandrel to plastically deform the gas line into the grooves and provide a secure, sealed arrangement.

REFERENCES:
patent: 3401447 (1968-09-01), Knight
patent: 4229025 (1980-10-01), Volgstadt et al.
patent: 4293147 (1981-10-01), Metcalfe et al.
patent: 4407526 (1983-10-01), Cicenas
patent: 4449740 (1984-05-01), Buzzi
patent: 4712813 (1987-12-01), Passerell et al.
patent: 5326137 (1994-07-01), Lorenz et al.
patent: 5367756 (1994-11-01), Huetinck

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