Safety closure for flexible container

Claim 1

IN A CONTAINER ASSEMBLY COMPRISING A CONTAINER MEMBER HAVING A NECK AND HAVING A THREADED SCREW TOP OPENING ENCLOSED BY A FLEXIBLE SCREW-CAP CLOSURE MEMBER, A SAFETY CONTAINER AND CLOSURE COMBINATION, SAID COMBINATION COMPRISING: (A) A PAIR OF SETS OF LOCKING TEETH CONSISTING OF AT LEAST ONE TOOTH PER SET, EACH SET BEING POSITIONED SUBSTANTIALLY DIAMETRICALLY OPPOSITE THE OTHER SET ON THE CLOSURE CIRCUMFERENCE OF THE SCREW-CAP CLOSURE MEMBER BELOW SCREW THREADS ON SAID MEMBER, (B) A PLURALITY OF CIRCUMFERENTIALLY SPACED OPPOSING LOCKING TEETH POSITIONED BELOW SCREW THREADS ON THE CLOSURE CIRCUMFERENCE OF THE CONTAINER MEMBER AND ARRANGED TO MESH LOCKINGLY WITH THE TEETH OF SAID SCREW-CAP CLOSURE MEMBER WHEN THE MEMBERS ARE FULLY ENGAGED BY SCREWING DOWN ON THE THREADS THEREOF, (C) A PAIR OF PRESSURE AREAS ON THE SCREW-CAP CLOSURE MEMBER AND ASSOCIATED WITH SAID MEMBER''S TEETH AND BEING POSITIONED ABOUT 90* AWAY FROM EACH SET OF THE LOCKING TEETH OF THE SCREW-CAP CLOSURE MEMBER SO THAT WHEN THE MEMBERS ARE FULLY ENGAGED AND PRESSURE IS APPLIED ON THE PRESSURE AREAS THE SCREWCAP CLOSURE MEMBER IS DISTORTED, CAUSING THE MESHED TEETH TO UNLOCK AND TO PERMIT THE MEMBERS TO BE UNSCREWED FROM ONE ANOTHER.