Patent ID: 6769721
Filing Date: 2004-08-03
Classification: F16L

Abstract:
A hard molded plastic tubular coupling which is intended to receive an end of a length of tubing, said coupling having a sleeve portion, said sleeve portion having an outer cylindrical surface adapted to engage with a corresponding surface of another component, the cylindrical surface having an annular substantially V-shaped recess formed therein partway along said sleeve portion, and a flexible annular diaphragm disposed in the recess integrally with the coupling at the apex of the recess and having an outer periphery extending outwardly from the cylindrical surface to engage and grip the corresponding surface of said another component, said sleeve portion having a tapered portion at one end to facilitate insertion of the sleeve portion into a said end of a length of tubing, and an end stop at the other end of said sleeve portion to limit the extent of insertion of said sleeve portion into said length of tubing.