Electricity: conductors and insulators – Combined fluid conduit and electrical conductor
Patent
1988-06-02
1989-09-12
Askin, Larmie E.
Electricity: conductors and insulators
Combined fluid conduit and electrical conductor
174 70R, H01B 718, F16L 1112
Patent
active
048662143
ABSTRACT:
A cable used with a subsoil penetrating tool which contains a plurality of tubes and hoses used to transport all operational fluids and a plurality of electrical conducting wires used to transmit power ane electrical impulses for information. A unique internal structure reduces the rotation of the cable as the tool advances and provides rigidity to the cable to allow for the transmission of compressional forces along the cable to be applied to the advancing tool.
REFERENCES:
patent: 2604509 (1952-07-01), Blanchard
patent: 3060260 (1962-10-01), Scofield
patent: 3573349 (1971-04-01), Bowers
patent: 4250351 (1981-02-01), Bridges
patent: 4278835 (1981-07-01), Jackson
Askin Larmie E.
Teschner David
Underground Technologies, Inc.
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