Electricity: conductors and insulators – Combined fluid conduit and electrical conductor
Patent
1974-11-25
1976-06-15
Van Balen, William J.
Electricity: conductors and insulators
Combined fluid conduit and electrical conductor
317 2J, 428 36, 428222, 428327, 428922, F16L 1112
Patent
active
039638561
ABSTRACT:
The combination of a flexible, thin-walled plastic tube having thereon an external, electrically conductive, helical bead which is formed of a plastic mixed with a conductive material and which is heat sealed to the plastic of the tube. Electrical conductors are electrically connected to the bead adjacent the ends of the tube. The bead is normally opaque and the tube transparent. However, the tube may also contain a conductive material and be opaque.
REFERENCES:
patent: 2745074 (1956-05-01), Darling
patent: 2895001 (1959-07-01), Noyes et al.
patent: 2917568 (1959-12-01), Moorman et al.
patent: 3166688 (1965-01-01), Rowand
patent: 3457359 (1969-07-01), Soucy
patent: 3566002 (1971-02-01), Brown
patent: 3652375 (1972-03-01), Johnson
patent: 3749814 (1973-07-01), Pratt
patent: 3828112 (1974-08-01), Johansen et al.
Carlson Lennart L.
Hoiberg Douglas I.
Dixon Jr. William R.
Steward Plastics, Inc.
Van Balen William J.
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