Valves and method for mass producing them

Claim 1

A VALVE FOR AFFIXATION TO A PRESSURIZED CONTAINER FOR DISPENSING FLUID CONTENTS WHEN DESIRED COMPRISING AN UPWARDLY EXTENDING TUBULAR MEMBER HAVING AN OPEN BOTTOM AND A TOP WITH A WALL PROVIDED WITH A DISPENSING OPENING, SUPPORT MEANS INSERTED INTO SAID TUBULAR MEMBER THROUGH SAID OPEN BOTTOM AND HAVING AN UPPER SUPPORTING SURFACE, STOP MEANS TO LIMIT THE INWARD MOVEMENT OF SAID SUPPORT MEANS TO SPACE THE SUPPORTING SURFACE THEREOF A DESIRED FIXED DISTANCE FROM SAID TOP WALL DURING ASSEMBLY OF THE VALVE INDEPENDENT OF PERMANENTLY SEALING THS SUPPORT MEANS IN PLACE IN THE TUBE AT SAID FIXED DISTANCE FROM THE INTERIOR OF THE TOP WALL, MEANS SEPARATE FROM SAID STOP MEANS PERMANENTLY HOLDING SAID SUPPORT MEANS FIXED IN SAID TUBE WITH SAID SUPPORTING SURFACE SPACED SAID FIXED DISTANCE FROM SAID TOP WALL TO PROVIDE A CHAMBER OF PREDETERMINED FIXED HEIGHT, A PASSAGEWAY FOR CONNECTING SAID CHAMBER TO THE INTERIOR OF THE CONTAINER, AND A DEFORMABLE RESILIENT RUBBER-LIKE BODY HAVING A NORMAL HEIGHT GREATER THAN THE HEIGHT OF SAID CHAMBER, POSITIONED IN THE CHAMBER UNDER COMPRESSIVE STRESS BETWEEN THE SUPPORTING SURFACE OF SAID SUPPORT MEANS AND THE TOP WALL OF THE TUBULAR MEMBER, SO THAT IT RESILIENTLY CLOSES SAID DISPENSING OPENING, AND CONTROLLABLY OPENS IT IN RESPONSE TO AN EXTERNAL FORCE DIRECTED THROUGH THE DISPENSING OPENING AND AGAINST THE RESILIENT RUBBER-LIKE BODY.