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US 5,313,823 AGranted
Electrical cable leak detection system
AssigneeW. L. Gore & Associates, Inc.
InventorsSamuel Berkman, Jack A. Sahakian
Life of this patent
Estimating the term…
Abstract
A leak detection cable for detecting aqueous based liquids that contain a surfactant is composed of an insulated wire conductor (1 and 2) wrapped with a water resistant yarn (3) and a braided second conductor (4).
Claims7
An electrical cable for detecting the presence of liquids containing a surfactant which comprises:
- a central electrical conductor,
- a water-impermeable plastic insulation covering said conductor,
- a water-resistant, surfactant-free yarn wrapped closely around the insulation-covered conductor, said yarn comprising a polymeric material,
- a second electrical conductor surrounding the yarn-wrapped, insulated central conductor, said second electrical conductor being water permeable.
1 more element
Dependencies are inferred from the claim text.