B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
190/89
B65D 39/04 (2006.01) B65D 39/08 (2006.01)
Patent
CA 1107667
Abstract of the Disclosure A flange for a container opening has an internally threaded aperture to receive a plug, and a plurality of external serrations in a circularly spaced-apart relationship around the periphery of the upper portion of the flange. The plug is externally threaded and, when mated with the flange, closes the aperture. Both the flange and the plug are molded out of plastic materials as single integral components. On the lower portion of the flange is an annular lip which is positioned beneath and extends radially beyond the external serrations. A container suitable for the flange has a boss around the container opening in a wall (usually the end wall) of the container. The boss is formed with internal serrations equal in number to the number of exter- nal serrations on the flange. This boss can be crimped onto the flange placed in the opening, such that the two groups of serrations permanently interlock with one another thereby securely locking the flange into the container. At the same time the annular lip seals against the inner face of the wall (usually the end wall). The plug is removable from the flange when access to the con- tents of the container is desired.
362366
Rieke Corporation
Smart & Biggar
LandOfFree
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