Patent ID: 7631666
Filing Date: 2009-12-15
Classification: F16L

Abstract:
1. A reinforced flexible hose with leakage indicator, comprising: an interior tube for conducting a fluid, said interior tube having an inner bore and an outer surface; at least one layer of stainless steel threads braided about said outer surface; a flexible, transparent polymeric covering, said covering being disposed over said stainless steel threads and contacting them tangentially, whereby pockets of air are trapped between said threads and said flexible polymeric covering, said flexible polymeric covering protecting said threads from abrasion and corrosion, and said pockets of air improve the insulative properties of said hose; a moisture sensitive compound, said compound changing from an initial color to a second color upon contact with moisture and being disposed in said pockets of air trapped between said threads and said flexible polymeric covering; and said initial and second colors, visible through said flexible transparent polymeric covering, indicating a failure of said interior tube and impending failure of said hose.