Tamper indicating vacuum package

Details Tamper indicating vacuum package Tamper indicating vacuum package

1986-03-31

1987-10-20

Hall, George T.

Bottles and jars

Closures

Frangible member or portion

215341, 215317, 215253, B65D 4148

Patent

active

047008601

ABSTRACT:
A tamper indicating hermetically sealed package comprising a container having a neck with an opening and a closure. The container includes a first annular bead at the upper end adjacent the opening and a second annular bead spaced axially from the first annular bead and having a greater diameter than the first bead. The closure is made of plastic and comprises a base wall and a peripheral skirt. The base wall includes an annular bead on the internal surface thereof and the peripheral skirt includes an interrupted annular bead spaced axially from the base wall. A sealing gasket is cast in situ in the channel defined by the annular bead on the base wall and the peripheral skirt and extends to the interrupted annular bead on the skirt. A tamper indicating band is connected along a weakened line to the peripheral skirt and includes an interrupted annular bead that is adapted to engage the second bead on the container.

REFERENCES:
patent: 3071275 (1963-01-01), Foss et al.
patent: 4527705 (1985-07-01), Prades
patent: 4593830 (1986-06-01), Bullock

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