Flexible multi-conduit tube and its manufacture

Details Flexible multi-conduit tube and its manufacture Flexible multi-conduit tube and its manufacture

1976-12-29

1979-07-10

Bell, Jr., Houston S.

Pipes and tubular conduits

Plural duct

Longitudinally extending common wall

138118, 138178, F16L 1104

Patent

active

041604660

ABSTRACT:
An improved assembly of flexible multi-conduit tubing, and a method for the manufacture thereof are disclosed. The assembly provides a multiple conduit tube which is preformed in a specific helical shape to reduce bulk and to automatically return to shape without risk of tangling of the turns. This configuration is accomplished by winding the flexible tube in the helicoidal groove of a screw, and subjecting it to the proper heat treatment.

REFERENCES:
patent: 3117596 (1964-01-01), Kahn
patent: 3487858 (1970-01-01), Hanback
patent: 4069881 (1978-01-01), Shiber

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