FIELD: electrochemical protection of metallic objects, namely cathode protection of elongated underground structure with variable electric characteristics.
SUBSTANCE: anode-grounding electrode includes electric current supply lead and envelope of elastomer material surrounding it. Electrode is in the form of laminate hose having alternating layers of elastomer material and layers of current supply lead in the form of metallic gauze or perforated foil.
EFFECT: possibility for lowering specific density of anode current till admissible values, increased electric current yield and useful life period of grounding electrode.
7 cl, 15 dwg, 15 ex, 2 tbl
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| ANODE EARTH | 1990 |
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