Dispensing closure with removable diaphragm

Claim 1

IN A SPOUT-TYPE CONTAINER CLOSURE, A GENERALLY TUBULAR POURING STOUT OF RESILIENTLY FLEXIBLE MATERIAL FORMED WITH A BORE TERMINATING IN A MOUTH OPENING THROUGH THE OUTER END OF THE SPOUT, A CLOSURE DIAPHRAGM SPACED INWARDLY OF THE SPOUT FROM SAID MOUTH OPENING AND EXTENDING ACROSS SAID BORE AT AN INCLINED ANGLE, WITH A PLANE PERPENDICULAR TO THE VERTICAL AXIS OF THE TUBULAR SPOUT, SAID DIAPHRAGM HAVING A DIAMETER GREATER THAN THE BORE, SAID DIAPHRAGM BEING INTEGRAL WITH AND CONSTITUTING A HOMOGENOUS PORTION OF THE MATERIAL FORMING THE SPOUT, SAID DIAPHRAGM BEING PERIPHERALLY CONNECTED WITH THE INNER WALL OF SAID BORE ALONG A WEAKENED TEAR LINE SPACED INWARDLY OF THE SPOUT FROM ITS MOUTH, A RESILIENTLY FLEXIBLE PULL TAB HAVING A ROOT PORTION CONNECTED WITH SAID DIAPHRAGM CLOSELY ADJACENT SAID WALL AND SAID WEAKENED TEAR LINE, AND ADJACENT THAT PORTION OF THE DIAPHRAGM WHICH IS CLOSEST ADJACENT THE MOUTH OF THE SPOUT SAID TAB, EXCEPT FOR ITS ROOT PORTION, BEING DISCONNECTED FROM SAID WALL AND SAID DIAPHRAGM, AND HAVING A FREE END NORMALLY PROJECTING OUTWARDLY THROUGH AND BEYOND THE MOUTH OF THE SPOUT, AND BEING NORMALLY DISPOSED AT AN ANGLE TO SAID DIAPHRAGM AND BEING DISPOSED FOR RESILIENT FLEXING TOWARDS THE PLANE OF SAID DIAPHRAGM INTO THE MOUTH OF THE SPOUT, THE RESILIENCY OF THE TAB, UPON BEING RELEASED CAUSING IT TO ASSUME ITS NORMAL POSITION WITH THE FREE END OUTWARD OF AND BEYOND THE MOUTH OF THE SPOUT.