Patent ID: 6382681
Filing Date: 2002-05-07
Classification: F16L,Y10T

Abstract:
A device for crimping or coupling end elements of a flexible pipe, wherein the end elements include a metal carcass comprised of a helically wound filament having a gap between successive turns of the helix,the end elements further comprise a sealing sheath over the metal carcass, wherein the sheath includes a crept part at the gap between successive turns and the crept part at least partially fills the gap; the device comprising a hollow nipple which is generally cylindrical in shape and having a conically tapered leading end, wherein the leading end of the nipple is inserted between the sealing sheath and the carcass; the nipple having an interior side through which the carcass extends and having an exterior side toward the sheath; the nipple having grooves defined in the exterior side which generally correspond in shape and location along the nipple with the crept parts of the sheath, such that upon introduction of the nipple between the carcass and the sheath, at least some of the crept parts are housed in the grooves of the nipple.