Title:
DETECTING POOR INSULATION POINT IN ANTI-CORROSION LAYER
Document Type and Number:
Japanese Patent JPS5393392
Kind Code:
A
Abstract:
PURPOSE: To provide a detection of existing direction for a point of poor insulation in the anti-corrosion layer, by such manner that with a current fed from an appropriate point on the way of line such as cable or metallic conduit having a point of insulation defectiveness in the anti-corrosion layer, a galvanometer reading be checked if indicating at an appropriate terminal in its outside.
Inventors:
NAKAYAMA TADAHARU
Application Number:
JP913377A
Publication Date:
August 16, 1978
Filing Date:
January 28, 1977
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
G01R31/02; G01R31/08; (IPC1-7): G01R31/08
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