gorman

Claim 1

A METERING VALVE CONSTRUCTION FOR CONTROLLING THE DISCHARGE OF FLUID MATERIAL UNDER PRESSURE FROM A CONTAINER, SAID VALVE CONSTRUCTION COMPRISING A FERRULE, A HOLLOW ACTUATOR STEM, MEANS TO MOVABLY SUPPORT SAID ACTUATOR STEM, A TANK, SAID TANK INCLUDING A WALL HAVING A PASSAGE THERETHROUGH FOR COMMUNICATION BETWEEN THE TANK AND THE CONTAINER, AN EXTERNAL BODY GASKET FOR SAID TANK, A SEALING GASKET IN THE TANK, SAID FERRULE INCLUDING MEANS HOLDING THE TANK AND BODY GASKET IN POSITION, MEANS HOLDING THE SEALING GASKET IN POSITION TO BE IMPINGED UPON BY SAID ACTUATOR STEM, SAID SEALING GASKET BEING RESILIENT AND STRETCHABLE AND LOCATED BETWEEN THE INNER END OF THE ACTUATOR STEM AND THE SAID TANK WALL, SAID TANK WALL AND SEALING GASKET PROVIDING A METERING CHAMBER THEREBETWEEN, SAID METERING CHAMBER BEING NORMALLY OPEN TO THE TANK PASSAGE, MEANS ON SAID SEALING GASKET FOR CONTACT WITH THE SAID TANK WALL SEALING OFF THE TANK PASSAGE TO THE CONTAINER AND THEREBY CLOSING THE METERING CHAMBER WITH RESPECT TO SAID CONTAINER UPON INWARD MOTION OF SAID ACTUATOR STEM, SAID ACTUATOR STEM HAVING A PORT NORMALLY CLOSED BY THE ACTUATOR STEM SUPPORTING MEANS BUT HAVING A POSITION WHEREIN IT IS OPEN TO SAID METERING CHAMBER FOR DISCHARGE OF THE MATERIAL IN SAID METERING CHAMBER UPON STRETCHING ACTION OF THE SEALING GASKET UNDER INFLUENCE OF THE ACTUATOR STEM, THE RESILIENCY OF THE SEALING GASKET NORMALLY HOLDING THE ACTUATOR STEM IN OUTWARD POSITION WITH ITS INLET CLOSED.