Vaccum cleaner hose construction having electrical conductors ex

Details Vaccum cleaner hose construction having electrical conductors ex Vaccum cleaner hose construction having electrical conductors ex

1977-10-11

1980-03-18

Askin, Laramie E.

Electricity: conductors and insulators

Combined fluid conduit and electrical conductor

138121, 138122, 15624412, 15624413, 15624418, 156257, F16L 1111, F16L 1112, A47L 924, B29D 2304

Patent

active

041940814

ABSTRACT:
A vacuum cleaner hose construction having integral electrical conductors and method of making same are provided wherein such hose construction is comprised of a convoluted tube having alternating outwardly convex crests and outwardly concave troughs with a plurality of cutouts being provided in the crests extending completely through the wall thickness thereof and aligned along the length of the tube to define at least one slot construction for receiving the electrical conductors therewithin and a sleeve is disposed around the tube and electrical conductors with the sleeve holding the electrical conductors in position while defining a fluid-tight outer layer for the hose construction.

REFERENCES:
patent: 3715454 (1973-02-01), Kleykamp
patent: 3725178 (1973-04-01), Kleykamp et al.

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