Patent ID: 6390141
Filing Date: 2002-05-21
Classification: F16L

Abstract:
A flexible, collapse-resistant hose adapted for conveying fluids under pressure, said hose extending in an axial direction along a central longitudinal axis to an indefinite length, and in a radial direction circumferentially about said longitudinal axis, said hose comprising:a tubular core having an inner radial surface defining the inner diameter of said hose and an outer radial surface; a tubular first elastomeric layer surrounding said core, said first elastomeric layer having a first inner radial surface bonded directly to the outer radial surface of said core, and a first outer radial surface; a helical reinforcement element spiral wound over said first elastomeric layer at a predetermined pitch angle measured relative to said longitudinal axis; and a tubular second elastomeric layer surrounding said helical reinforcement element, said second elastomeric layer having a second inner radial surface and a second outer radial surface, said helical reinforcement member being encapsulated between the first outer radial surface of said first elastomeric layer and the second inner radial surface of said second elastomeric layer.