Thermally insulated pipe with electrically conducting portions f

Details Thermally insulated pipe with electrically conducting portions f Thermally insulated pipe with electrically conducting portions f

1976-11-22

1978-07-25

Askin, Laramie E.

Electricity: electrical systems and devices

Discharging or preventing accumulation of electric charge

Of storage or hazardous area or fluid handling

138149, 174 47, F16L 1112, H05F 302, F16L 914, F16L 5914

Patent

active

041033205

ABSTRACT:
A thermally insulated pipe particularly destined for mining industries, comprising an outer and an inner pipe, whereinbetween an insulating layer is arranged, the outer pipe being made of a synthetic material. The surface of the outer pipe is provided with an outside surface layer, being electrically conductive, which layer is connected with the inner pipe in an electrically conducting manner. The insulating material inbetween the two pipes is heat resistant.

REFERENCES:
patent: 1618455 (1927-02-01), Lindsay
patent: 2041911 (1936-05-01), Ericson
patent: 3943273 (1976-03-01), DE Putter

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