Pipe joints or couplings – With assembly means or feature – Molded joint facilitator
Patent
1976-12-20
1978-06-13
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Molded joint facilitator
285 45, 285174, 285353, 285423, F16L 1302
Patent
active
040945367
ABSTRACT:
A corrosion proof meter riser for attachment to a subsurface polyethylene pipe carrying fluid at high pressure, which comprises a length of selected polyethylene tubing adapted to be attached at a first end to said polyethylene pipe, and heat seal means and cylindrical seal for attaching the second end of the polyethylene tubing to a first end of a selected length of fiberglass tube of substantially the same radial dimensions. The fiberglass tube is molded with a circumferential ridge near its second end. A riser body, comprising a metal pipe of suitable interior diameter has a coupling at one end which is screwed to the pipe. The coupling has an internal shoulder which cooperates with the ridge on the outer surface of the fiberglass tube, so that when the joined fiberglass and polyethylene tubing is inserted into the body, the ridge rests on the shoulder and can be locked in position by a nut to seal that end of the body. The polyethylene tubing extends out from the other end of the body and is sealed by means of a pipe cap which slidably seals around the surface of the polyethylene tubing and screws onto the end of the pipe body.
REFERENCES:
patent: 2739829 (1956-03-01), Pedlow et al.
patent: 3244438 (1966-04-01), Bucheit
patent: 3375025 (1968-03-01), Engel
patent: 3817559 (1974-06-01), Tricini
patent: 3819207 (1974-06-01), Leopold
patent: 3922008 (1975-11-01), Stiner et al.
Cole Judson C.
Morain Eldon W.
Arola Dave W.
Continental Industries, Inc.
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