Patent ID: 6045119
Filing Date: 2000-04-04
Classification: B67D,F16K

Abstract:
A liquid distribution valve with automatic closing, comprising a valve body for mounting in an opening of a receptacle and a piston for freeing the liquid acting on a resilient sealing membrane secured to the valve body, said valve being provided with means for maintaining the piston in an open position consisting of elements of complementary shape provided respectively on the valve body and on the piston, wherein the elements are constituted respectively by cams extending over a portion of the valve body that provides a valve seat thereon for movement of the resilient sealing membrane between open and closed valve positions as the piston is guided and moved along said valve body, and by slides disposed at regular intervals over a portion of the piston extending concentrically above said cams, wherein the piston is constituted as a hollow operating knob as a flexible snap-on sleeve that encloses said cams, said sleeve being slidably positioned over and along an exterior portion of the valve body, said sleeve being connected for allowing the possibility of free rotation to the resilient sealing member secured to the valve body.