초록 ▼

A neck finish for a tamper evident bottle is disclosed having at least ten helically spaced threads which extend along a substantial length of the exterior wall of the neck. The neck finish may include one or two annular ring flanges to accept a snap-on cap. Also disclosed are tamper evident caps ha

A neck finish for a tamper evident bottle is disclosed having at least ten helically spaced threads which extend along a substantial length of the exterior wall of the neck. The neck finish may include one or two annular ring flanges to accept a snap-on cap. Also disclosed are tamper evident caps having at least ten helically spaced threads positioned on the inner surface of the cap. In one embodiment, the cap includes one or two annular ring flanges to engage the ring flanges on the disclosed neck finish. Another tamper evident cap includes ten helically spaced thread which are adapted to engage at least some portion of threads on a neck finish.

대표청구항 ▼

A neck finish for a container comprising: a. an annular wall with an outer surface and an inner surface defining a cylindrical opening therethrough, said annular wall having a first and second end, said first end being open to provide access to said cylindrical opening and having an annular flange e

A neck finish for a container comprising: a. an annular wall with an outer surface and an inner surface defining a cylindrical opening therethrough, said annular wall having a first and second end, said first end being open to provide access to said cylindrical opening and having an annular flange extending from said inner surface of said annular wall into said opening in said first end; b. at least one set of ratchet teeth positioned around a portion of said outer surface of said annular wall at said second end; c. at least ten threads angularly positioned on said annular wall between said first end and said ratchet teeth each of said treads extending around said surface less than 90°and wherein said threads are discotinuous at a mold parting line; and d. a first annular ring flange on and extending substantially around said outer surface of said annular wall adjacent to said set of ratchet teeth, said first annular ring flange adopted to engage an associated ring flange on a cap to sealing position said cap onto said neck.