Receptacles – Closures – Closure members having alignable openings
Patent
1985-10-03
1986-07-08
Hall, George T.
Receptacles
Closures
Closure members having alignable openings
220214, 220258, B65D 5118
Patent
active
045988374
ABSTRACT:
An end closure for a container comprising an end cap and a cover rotatable with respect to the end cap. The end cap has a raised portion connected to the main part of the end cap by a thinned, severable wall. The raised portion fits within an opening in the cover, which opening is defined at least in part by a knife edge. Upon rotation of the cover relative to the end cap, the knife edge will cut through the severable wall and sever the raised portion from the end cap. A pour opening is defined in the end cap when the raised portion is severed. When the opening in the cover is aligned with the pour opening in the end cap, the contents of the container may be dispensed. When the opening in the cover is out of registry with the pour opening in the end cap, no contents may be discharged. Complementary inter-engaging flanges on the end cap and cover retain the parts in assembled relationship.
A tamper evident element is detachably secured within the opening in the cover by frangible sections. The frangible sections are readily broken upon movement of the cover relative to the end cap in a direction to cut the raised portion; thereby evidencing to the user that the container has been tampered with and that the sealed condition may have been breached.
REFERENCES:
patent: 3912128 (1975-10-01), Ziemann et al.
patent: 4274563 (1981-06-01), Otterson
patent: 4541541 (1985-09-01), Hickman et al.
Kreiseder Walter J.
Vogel Allen J.
Courtesy Mold & Tool Corporation
Hall George T.
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