B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
206/31
B65D 41/34 (2006.01)
Patent
CA 1181720
ABSTRACT OF THE DISCLOSURE A plastic closure having pilfer-proofing characte- ristics for a container including a mouth-neck portion having formed on its peripheral surface an external thread and an annular flange located beneath it. The closure includes a top panel wall and a cylindrical skirt wall extending downwardly from the peripheral edge of the top panel wall. A breakable line extending circumferential is formed on the skirt wall to divide the skirt wall into a main portion above the breakable line and a pilfer- proof bottom portion below it, and an internal thread adapted to be fitted with the external thread of the mouth neck portion of the container is formed on the inner surface of the main portion of the skirt wall. The inner surface of the pilfer-proof bottom portion has formed therein at least one flap extending radially inwardly therefrom.
403727
Itsubo Junichi
Oda Hiroyuki
Japan Crown Cork Co. Ltd.
Smart & Biggar
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