Patent ID: 6367667
Filing Date: 2002-04-09
Classification: B67D,Y10T

Abstract:
A coupling for connecting a pressure container to a pressure-gas source the pressure container having a double valve with a flange and containing a pressure gas and a liquid, the coupling comprising:a housing for coaxial mounting of an upper flange on the double valve; a slide within the housing that is displaceable between an upper position where the valve is closed and a lower position where the valve is open; a tubular elastomeric sleeve having one end secured onto the slide and an opposing sealing lip end that forms a seal against the valve flange when the coupling is mounted on the container, said elastomeric sleeve further including an inwardly directed sealing ring adjacent to the sealing lip end; a tubular plunger secured in the slide; and a gas chamber defined by the elastomeric sleeve, the plunger and an inner wall of the slide.