Bottles and jars – Nonrefillable – Guard or valve type
Patent
1988-08-25
1990-01-23
Norton, Donald F.
Bottles and jars
Nonrefillable
Guard or valve type
B65D 102
Patent
active
048952656
ABSTRACT:
A container for a tamper-evident closure comprising a cap portion of cuplike form, and a tamper-evident band connected to the cap portion by fracturable means. The tamper-evident band comprises retaining means projecting radially inwardly and the container comprises a neck finish portion having a discharge opening and closure engagement means which mates with the container engagement means of the cap portion so that the closure can be applied and removed from the container. A first projection is spaced axially below the closure engagement means on the container neck finish and a second projection is spaced axially below the first projection closely adjacent thereto. A radially inwardly directed circumferentially extending groove has a smallest diameter less than the largest diameter of the first and second projections and is cooperatively associated with the retaining means on the tamper-evident band so that upon initial removal, the retaining means on the tamper-evident band engages in the groove to support at least a portion of the band in a plane generally perpendicular to the axis of the container finish when the cap portion is actuated in the direction to remove it from the container. The first or second projections are discontinuous around the circumference thereby forming a structure of circumferentially spaced bumps.
REFERENCES:
patent: 2134178 (1938-10-01), Esposito
patent: 3329295 (1967-07-01), Fields
patent: 3374913 (1968-03-01), Zipper
patent: 4299328 (1981-11-01), Ochs et al.
patent: 4380299 (1983-04-01), Llera
patent: 4436212 (1984-03-01), Llera
patent: 4567993 (1986-02-01), Albrecht et al.
patent: 4613052 (1986-09-01), Gregory et al.
patent: 4669623 (1987-06-01), Csaszar
Babcok David E.
Luch Daniel
Norton Donald F.
Renz Jr. Eugene E.
The West Co.
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