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 at least partially detachably connected to and depending from said

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 at least partially detachably connected to and depending from said skirt portion, said pilfer band including inwardly extending flexible tab means comprising a plurality of circumferentially spaced, flexible tabs extending inwardly of said pilfer band and each having a free end portion, and inwardly extending interference bead means positioned beneath said tab means, said free end portions of said flexible tabs of said tab means being engageable with said container locking ring when said flexible tabs extend upwardly and inwardly during removal of said closure from said container for providing a first means for at least partially detaching said pilfer band from said skirt portion, said tab means being further engageable with said locking ring during removal of said closure from said container by disposition of said tab means between said locking ring and said interference bead means for providing a second means for at least partially detaching said pilfer band from said skirt portion.