Metal end closure for container body

Claim 1

IN AN END CLOSURE FOR A CONTAINER HAVING A TUBULAR BODY, SAID END CLOSURE INCLUDING A CENTRAL PANEL, A PERIPHERAL PORTION INTEGRAL WITH SAID PANEL AND ADAPTED TO SEALINGLY ENGAGE ONE END OF SAID BODY IN AN END SEAM, THE INNER SURFACE OF SAID CLOSURE FACING TOWARD THE INTERIOR OF SAID BODY, A FIRST PAIR OF SPACED SCORE LINES SURROUNDING AT LEAST A PORTION OF SAID PANEL AND DISPOSED ADJACENT SAID PERIPHERAL PORTION, A SECOND PAIR OF SPACED SCORE LINES CONTINUING FROM SAID FIRST PAIR OF SCORE LINES AND EXTENDING INWARDLY THEREFROM, A SINGLE SCORE LINE JOINING EACH OF SAID SECOND PAIR OF SCORE LINES AT THEIR INWARDLY EXTENDING ENDS, SAID SCORE LINES DEFINING A CONTINUOUS TEAR STRIP WITHIN SAID PANEL, AND AN ELONGATED PULL TAB SECURED AT ONE END TO SAID TEAR STRIP ADJACENT SAID SINGLE SCORE LINE; THE IMPROVEMENT COMPRISING A FIRST BOSS EXTENDING OUTWARDLY FROM THE OUTER SURFACE OF SAID PANEL, A SECOND BOSS EXTENDING OUTWARDLY FROM SAID FIRST BOSS THROUGH AN APERTURE IN ONE END OF SAID PULL TAB, THE OUTERMOST SURFACE OF SAID SECOND BOSS BEING FLARED OVER THE PERIPHERY OF SAID APERTURE TO SECURE SAID PULL TAB TO SAID FIRST BOSS, THE FREE END OF SAID PULL TAB EXTENDING BEYOND SAID FIRST BOSS TO PROVIDE A SPACE BETWEEN SAID FREE END AND THE SUBJACENT PORTION OF SAID PANEL WHEREBY SAID FREE END MAY BE MANUALLY GRASPED AND LIFTED TO BREAK THROUGH SAID SINGLE SCORE LINE AND PULLED TO REMOVE SAID TEAR STRIP FROM SAID PANEL TO OPEN SAID CONTAINER.