Pilferproof container

Details Pilferproof container Pilferproof container

1978-11-01

1980-04-15

Hall, George T.

Receptacles

Closures

With closure opening arrangements for means

215252, 215253, 215258, 222153, B65D 4132, B65D 4134

Patent

active

041979605

ABSTRACT:
A tamper-proof cap and neck assembly made of stretchable plastic material in which the neck has portions fitted within and about a short metal neck portion of a container which serves as a rigidifying back up for the plastic neck and for a locking shoulder on the neck to provide a deflection resistant structure and thereby prevent a tamper-indicating ring connected to the cap from slipping off the shoulder without tearing upon initial unthreading of the cap. This rigidified structure also facilitates application of the tamper-indicating ring during initial threading of the cap onto the threaded neck at which time the ring is stretched over the shoulder by a capper bead which engages force-transmitting posts integral with the ring for forcing the ring over the locking shoulder, the band being stretched between the posts and extending beneath the shoulder as chordal segments.

REFERENCES:
patent: 3463341 (1969-08-01), Fields
patent: 3737064 (1973-06-01), Patel et al.

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