Element and method for detecting leakage of petroleum products

Details Element and method for detecting leakage of petroleum products Element and method for detecting leakage of petroleum products

1974-12-13

1976-07-20

Schaefer, Robert K.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

340242, 200 6108, H01H 3500

Patent

active

039708632

ABSTRACT:
A styrene-butadiene-styrene block copolymer containing 50 to 70% by weight of butadiene can be used as a base material of an element capable of detecting leakage of petroleum products by detecting to the change in an electrical signal. By use of this detecting element any leakage of petroleum products from a transportation pipe line may be detected and located quickly and precisely.

REFERENCES:
patent: 2386412 (1945-10-01), Wakefield
patent: 2432367 (1947-12-01), Andresen
patent: 2691134 (1954-10-01), Ford
patent: 3427414 (1969-02-01), Sheldahl
patent: 3470340 (1969-09-01), Hakka
patent: 3564526 (1971-02-01), Butts
patent: 3720797 (1973-03-01), Gunn

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