Closure cap for containers

Claim 1

A CAP OF THE CROWN TYPE FOR SEALING THE MOUTH OF A VESSEL WHICH HAS A PERIPHERAL BEAD, SAID CAP COMPRISING A BOTTOM PORTION ADAPTED FOR RESTING ON SAID PERIPHERAL BEAD TO COVER THE MOUTH OF THE VESSEL, A DEPENDING SKIRT ON SAID BOTTOM PORTION EXTENDING BEYOND SAID PERIPHERAL BEAD WHEN THE BOTTOM PORTION RESTS ON THE MOUTH OF THE VESSEL, SAID SKIRT HAVING CORRUGATIONS AND A SMOOTH CORRUGATION-FREE TERMINAL RIM PORTION, SAID RIM PORTION HAVING A FREE EDGE AND SPACED CUT-OUTS EXTENDING FROM SAID FREE EDGE TOWARDS SAID CORRUGATIONS AND DEFINING CLAWS WHICH ARE UPTURNED AND WHICH ARE SEPARATED FROM ONE ANOTHER BY SAID CUT-OUTS, AND SAID CUT-OUTS BEING RESTRICTED TO SAID CORRUGATION-FREE TERMINAL RIM PORTION AND EXTENDING TO A POSITION SPACED FROM THE CORRUGATIONS TO PROVIDE A SMOOTH PORTION IN SAID SKIRT BETWEEN THE CORRUGATIONS AND THE RIM PORTION CONTAINING THE CUT-OUTS, SAID CUT-OUTS HAVING A WIDTH SUFFICIENT TO CAUSE ADJACENT UPTURNED CLAWS TO LATERALLY CONTACT EACH OTHER AS SAID CORRUGATIONS ON SAID SKIRT ARE BROUGHT INTO CONTACT WITH SAID BEAD ON THE VESSEL AND SAID RIM PORTION IS INWARDLY DEFORMED TO A SPACED POSITION WITH RESPECT TO SAID BEAD.