Electricity: conductors and insulators – With fluids or vacuum – With cooling or fluid feeding – circulating or distributing
Patent
1976-09-20
1978-09-05
Grimley, Arthur T.
Electricity: conductors and insulators
With fluids or vacuum
With cooling or fluid feeding, circulating or distributing
174 70R, 174102D, 174130, H01B 718
Patent
active
041122470
ABSTRACT:
A gas feeder pipe assembly includes a central duct capable of functioning as a gas feeder pipe and a plurality of pairs of electrical conductors in a unitary structure. The gas feeder pipe is located at the center of the structure, and the conductors surround the pipe in an oscillating lay. The pipe and the conductors are wrapped in a polyester film and enclosed in a coated aluminum sheath. A polyethylene jacket bonded to the aluminum sheath provides the outermost protection for the assembly.
REFERENCES:
patent: 1539490 (1925-05-01), Hunter
patent: 3477474 (1969-11-01), Mesler
patent: 3613231 (1971-10-01), Pugh
patent: 3988526 (1976-10-01), Rasquin et al.
patent: 3989884 (1976-11-01), Friedrich et al.
Dembiak Matthew R.
Finnegan John F.
Reece Thomas B.
Rudolph, Jr. Howard W.
American Telephone & Telegraph Co., Inc.
Grimley Arthur T.
Schellin W. O.
Western Electric Company Inc.
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