Tamper-evident container cover

Details Tamper-evident container cover Tamper-evident container cover

1986-11-04

1988-06-07

Norton, Donald F.

Bottles and jars

Closures

Frangible member or portion

53 88, 215277, 215324, B65D 4142

Patent

active

047490969

ABSTRACT:
A capsule 11 for enclosing a neck portion of a container 17 equipped with a bung, cork, screw-cap or other closure 18 is formed from a crimp-shaped capsule blank. The blank has a top 12 and a depending skirt 13 and is made by impact-extruding a strip of aluminum. The skirt is compressed inwardly into close contact with the neck portion of the container and the exposed laterally-facing surfaces of the closure 18. The skirt of the blank may have an increasing diameter in a direction away from the top and may have formed thereon prior to application of the blank to the container circumferentially-extending lines of weakness 14 and a tear-tab for facilitating removal of the capsule.

REFERENCES:
patent: 1982567 (1934-11-01), Blanchard
patent: 3109547 (1963-11-01), Wood
patent: 3191790 (1965-06-01), Coven et al.
patent: 3961719 (1976-06-01), Pierlot et al.
patent: 4552278 (1985-11-01), Romanauskus

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