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US 2016/0101913 A1Published application
Overcap with Cutting Ring for Rigid Paper Cans
AssigneeSonoco Development, Inc.
InventorsKurt Allen Ziegenfelder, Lawrence R. Carpenter
Life of this patent
Estimating the term…
Abstract
A novel closure for a container is provided. The closure comprises an overcap and a built in blade ring for making a circumferential cut in the container body so the top portion of the body can be removed to expose the container contents.
Claims7
A closure for a container having a body, the closure comprising:
- an overcap comprising a covering portion and an annular portion comprising an annular rim, an outer skirt extending downward from an inner edge of the rim and an annular inner wall extending downward from an outer edge of the rim to the covering portion;
- and
- a blade ring affixed to an interior surface of the overcap outer skirt and comprising at least two teeth segments circumferentially spaced around and extending radially inwardly from a ring-like structure and a teeth segment body located on an outer surface of the ring-like structure opposite each teeth segment, each teeth segment body having a raised trailing portion extending radially outward from the rest of the blade ring, a stopping edge circumferentially rearward of the trailing portion, and a forward edge circumferentially opposite the stopping edge.
Dependencies are inferred from the claim text.