Lining of passageways

Details Lining of passageways Lining of passageways

1978-07-26

1980-06-10

Hoag, W. E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

29235, 29423, 29451, 15624424, 156294, 264177R, 264209, 2642101, 264261, 264267, 264146, 264 36, 264173, 264285, 264295, 264249, B29C 1707, B29D 2304

Patent

active

042071305

ABSTRACT:
The invention permits the lining of a passageway or pipeline with a resilient but robust, semi-rigid plastics pipe. The invention enables the lining of pipelines and passageways of long length by extruding the lining tube on site, deflecting the tube so that it is deflected into smaller diametral size, holding the tube in the deflected condition, feeding the deflected and held tube into the passageway to be lined, and releasing the hold on the tube so that it deflects or is deflected back to its original form and lines the pipeline or passageway.

REFERENCES:
patent: 1385220 (1921-07-01), Marquette
patent: 3020192 (1962-02-01), Stephens et al.
patent: 3069744 (1962-12-01), Emery
patent: 3084086 (1963-04-01), Roberts et al.
patent: 3894328 (1975-07-01), Jansson

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