초록 ▼

A tamper-indicating plastic closure is disclosed, with the closure configured for interfering coaction with an associated container. The closure includes a plastic cap having a top wall portion and an internally threaded annular skirt portion, with an annular pilfer band depending therefrom. The pil

A tamper-indicating plastic closure is disclosed, with the closure configured for interfering coaction with an associated container. The closure includes a plastic cap having a top wall portion and an internally threaded annular skirt portion, with an annular pilfer band depending therefrom. The pilfer band includes a plurality of circumferentially spaced flexible tabs configured for interfering engagement with an annular locking ring portion of the associated container. The pilfer band further includes an annular interference bead positioned beneath the flexible tabs. By this arrangement, two modes of interfering engagement with the associated container locking ring are provided.

대표청구항 ▼

A tamper-indicating plastic closure for a container having an annular locking ring, said closure comprising: a plastic cap including a top wall portion, and an annular depending cylindrical skirt portion, and an annular pilfer band depending from said skirt portion and at least partially detachably

A tamper-indicating plastic closure for a container having an annular locking ring, said closure comprising: a plastic cap including a top wall portion, and an annular depending cylindrical skirt portion, and an annular pilfer band depending from said skirt portion and at least partially detachably connected thereto by frangible means comprising a plurality of circumferentially spaced frangible ribs extending between inside surfaces of said skirt portion and said pilfer band, said pilfer band being distinguished and at least partially separated from said skirt portion by circumferential score means extending partially into said frangible ribs, said pilfer band including a plurality of circumferentially spaced, inwardly extending flexible tab means, said tab means being engageable with said locking ring during removal of said closure from said container for fracturing said frangible ribs or at least partially detaching said pilfer band from said skirt portion, at least some of said frangible ribs extending on the inside surface of said pilfer band between adjacent ones of said flexible tab means for centering said pilfer band on said container.