Method of making preinsulated pipe assembly

Details Method of making preinsulated pipe assembly Method of making preinsulated pipe assembly

1975-12-15

1977-06-28

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Electrical device making

29433, 29460, 285 55, H05B 300

Patent

active

040316114

ABSTRACT:
A preinsulated pipe assembly and pipeline formed from a plurality of such assemblies. Each pipe assembly includes a pipe with a heater housing mounted thereon to form a cavity along the exterior of the pipe and a preformed insulation layer for insulating the pipe and the heater housing. A connecting assembly is used to join the pipe assemblies and form a pipeline. Pull means detachably connected to a heating element facilitates placement of the heating element in the heater housing cavities, and a pulling assembly attached to the heater element permits removal of the heater element after installation of the pipeline.

REFERENCES:
patent: 2786264 (1957-03-01), Colombo
patent: 3079673 (1963-03-01), Loehlein et al.
patent: 3374535 (1968-03-01), Tranel
patent: 3453716 (1969-07-01), Cook
patent: 3665598 (1972-05-01), Brieko
patent: 3706872 (1972-12-01), Trabilcy
patent: 3718804 (1973-02-01), Ando
patent: 3755650 (1973-08-01), Ando
patent: 3784785 (1974-01-01), Noland
patent: 3834458 (1974-09-01), Bilbro et al.

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