Patent ID: 7743793
Filing Date: 2010-06-29
Classification: F16L

Abstract:
1. A hose comprising: a plurality of layers including an internal layer defining an internal passageway disposed along a longitudinal axis of said hose and an external layer defining an exterior surface of said hose; a first and at least a second generally helical coil wound along said longitudinal axis of said hose, wherein said first generally helical coil is wound in a first direction and said second generally helical coil is wound in a second direction substantially opposite said first direction; at least one reinforcing layer disposed between said internal and said external layers, wherein said first generally helical coil is disposed about an internal surface of said at least one reinforcing layer and said at least a second generally helical coil is disposed about an external surface of said at least one reinforcing layer; and a filler layer disposed between said first generally helical coil and said at least one reinforcing layer.