Tamper indicating package and molded plastic threaded closure th

Details Tamper indicating package and molded plastic threaded closure th Tamper indicating package and molded plastic threaded closure th

1988-09-16

1989-09-05

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

B65D 4134

Patent

active

048630500

ABSTRACT:
A tamper indicating package including a bottle and a molded plastic closure removably secured to the finish portion of the bottle by engaging helical threads on the outside of the bottle finish and the inside of an annular skirt portion of the closure, respectively. The closure is provided with at least one aperture in the annular skirt and a flexible finger on the outside of the annular skirt in radial alignment with the aperture. The flexible finger has a lower end which is affixed to the annular skirt and an upper free end, and the upper free end is deflected inwardly through the aperture, after the molding of the closure, to engage the underside of an annular bead on the finish of the bottle in an interference fit. The annular skirt of the closure is scored along a line above the lower end of the flexible finger to form a breakaway ring in the lower portion of the annular skirt which is frangible with respect to the portion of the closure skirt thereabove and which separates therefrom upon the first opening or attempted opening of the package.

REFERENCES:
patent: 3417893 (1968-12-01), Lieberman
patent: 4153174 (1979-05-01), Keeler
patent: 4190169 (1980-02-01), Pehr
patent: 4196818 (1980-04-01), Brownbill
patent: 4401227 (1983-08-01), Pehr
patent: 4488655 (1984-12-01), Itsubo et al.
patent: 4497765 (1985-02-01), Wilde et al.
patent: 4572388 (1986-02-01), Luker et al.
patent: 4595110 (1986-06-01), Herr

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