Tamperproof closures

Claim 1

A TAMPERPROOF CONTAINER-CLOSURE STRUCTURE COMPRISING IN COMBINATION: (A) A RIGID CONTAINER HAVING AN OPEN ENTRANCE END NECK PORTION WITH AT LEAST ONE SPIRAL THREAD FORMATION LEADING AXIALLY AWAY FROM THE OPEN ENTRANCE END, (B) A RIGHT CYLINDRICAL UNTHREADED ANNULAR BAND PORTION AXIALLY CONTIGUOUS WITH AND BELOW THE THREAD FORMATION OF A DIAMETER CONCENTRIC WITH AND AT LEAST EQUAL TO THE MAXIMUM TRACE DIAMETER OF THE CREST OF THE THREAD FORMATION, (C) A SERIES OF IDENTICALLY CONFIGURATED RADIALLY OUTWARDLY EXTENDING LUGS CARRIED BY AND EQUI-SPACED ABOUT THE PERIPHERY OF THE UNTHREADED ANNULAR BAND PORTION IN GENERALLY AXIAL PARALLEL RELATIONSHIP TO THE LONGITUDINAL AXIS OF THE NECK PORTION OF THE RIGID CONTAINER, (D) THE RADIAL OUTWARD MAXIMUM EXTENSION OF THE LUGS LYING IN A CIRCUMFERENTIAL TRACE CONCENTRIC WITH THE UNTHREADED ANNULAR BAND PORTION IN RADIAL OUTWARD EXTENSION THEREFROM. (E) A LIGHT GAUGE ONE-PIECE READILY DEFORMABLE DRAWN METALLIC CLOSURE SHELL OF CUP-SHAPED GENERALLY RIGHT CYLINDRICAL CONFIGURATION HAVING THE CLOSED END THEREOF ADAPTED TO SEAT ACROSS THE OPEN ENTRANCE END TO THE CONTAINER NECK END WITH THE DEPENDING SKIRT AXIALLY OVERLYING THE MAXIMUM CREST DIAMETER TRACE OF THE THREAD FORMATION, (F) A RIGHT CYLINDRICAL TAMPERPROOF BAND FORMED INTEGRALLY CONCENTRIC AND DEPENDINGLY COAXIALLY WITH SAID DEPENDING SKIRT, STEPPED OUTWARDLY THEREFROM, AND EXTENDING IN CONCENTRIC OVERLYING AXIAL DISPOSITION TO THE UNTHREADED ANNULAR BAND PORTION AND RADIALLY IN INTERIOR CIRCUMFERENTIAL OUTWARD CLEARANCE RELATIONSHIP TO THE OUTWARDLY EXTENDING LUGS CARRIED THEREBY, (G) SAID TAMPERPROOF BAND BEING CIRCUMFERENTIALLY SEPARABLE FROM THE SKIRT OF THE CLOSURE SHELL IN A TRANSVERSE WEAKENED FRACTURABLE SEVERANCE LINE LOCATED IN THE TAMPERPROOF BAND ADJACENT ITS INTEGRAL CONNECTION TO THE SKIRT ABOVE THE SAME AND SAID TAMPERPROOF BAND TERMINATING AT ITS LOWER EDGE IN