Composite flexible conduit assembly

Details Composite flexible conduit assembly Composite flexible conduit assembly

1990-09-11

1992-09-01

Bryant, III, James E.

Pipes and tubular conduits

Combined

With end structure

138103, 138122, 361215, 285149, 174 47, F16L 3902

Patent

active

051431220

ABSTRACT:
A flexible conduit having a flexible inner tube of a polymer material, a flexible coil of wire received over said inner tube, a flexible outer jacket shrunk onto the coil, and couplings inserted into the ends of both the outer jacket and inner tube. Preferably, the outer jacket is attached to both the coil and the couplings by an adhesive. Preferably, the conduit is made by extruding the inner tube, wrapping the coil of wire around the tube as it is being extruded, telescoping the outer jacket over the coil and tube, inserting the couplings, and heating the outer jacket to shrink it into firm engagement with the coil and to initiate curing of the adhesive on the interior of the outer jacket.

REFERENCES:
patent: 986081 (1911-03-01), Patterson
patent: 1996855 (1935-04-01), Cheswright
patent: 4477108 (1984-10-01), Castelbaum et al.

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