Patent ID: 6517126
Filing Date: 2003-02-11
Classification: F16L,Y10T

Abstract:
An internal swage fitting for swaged attachment to a tube having a termination end, the fitting comprising:a hollow cylindrical body having an internal surface and an external surface, a tube receiving region and a tube connection region, said tube connection region including a tube stop wall, wherein the termination end of the tube abuts said tube stop wall when the tube is placed within said hollow cylindrical body wherein said internal surface of said body in said tube connection region includes one or more grooves and an expansion cavity for receiving excess material of the tube during a swaging process, said expansion cavity defining a circumferentially extending volume which is disposed adjacent said tube stop wall and extends both radially outwardly from said internal surface of said body and axially beyond the axial location of said tube stop wall in a direction away from said termination end of said tube.