Sequentially operated outlet valves for a pressurized container

Claim 1

A SELF-SEALING VALVE ACTUATOR FOR USE IN PRESSURIZED PACKAGES WHEREIN A PRODUCT IS CONFINED WITHIN A CONTAINER UNDER THE PRESSURE OF A GASEOUS PROPELLANT AND DISCHARGE OF THE PRODUCT FROM THE CONTAINER IS CONTROLLED BY A VALVE MOUNTED THEREON, SAID VALVE ACTUATOR COMPRISING: (A) A MAIN BODY PORTION FOR MOUNTING ON THE VALVE STEM OF THE VALVE AND MOVABLE RELATIVE TO SAID PACKAGE TO OPEN THE VALVE, THE SAID MAIN BODY PORTION HAVING (1) A DISCHARGE ORIFICE IN COMMUNICATION WITH THE VALVE TO PERMIT THE DISPENSING OF THE PRODUCT THERETHROUGH WHEN THE VALVE IS OPENED AND (2) TWO DIVERGING SURFACES, AND (B) AN APERTURED, OPEN-ENDED, RESILIENT CLOSURE MOUNTED ON THE MAIN BODY PORTION WITH SAID OPEN END ENGAGING THE DIVERGING SURFACES THEREON, SAID CLOSURE (1) BEING NORMALLY DISPOSED TO SEAL OFF THE DISCHARGE ORIFICE IN THE MAIN BODY PORTION FROM THE ATMOSPHERE AND (2) MOVABLE UPON THE APPLICATION OF A FORCE TO THE CLOSURE IN THE SAME DIRECTION REQUIRED TO MOVE THE MAIN BODY PORTION TO ITS VALVE-OPENING POSITION, TO BRING THE APERTURE IN THE CLOSURE INTO REGISTER WITH THE DISCHARGE ORIFICE, (3) SAID MOVEMENT CAUSING THE DIVERGING SURFACES ON THE MAIN BODY PORTION TO SPREAD THE OPEN END OF THE CLOSURE OUTWARDLY SO THAT UPON THE WITHDRAWAL OF THE ACTUATING FORCE THE RESILIENCY OF THE CLOSURE WILL SERVE TO MOVE THE CLOSURE IN AN OPPOSITE, ORIFICE-CLOSING DIRECTION TO A POSITIN IN WHICH SAID OPEN END MAY CONTRACT TO A LESS DISTENDED CONDITION.