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US 4,412,630 AGranted
Container closure alignment device
AssigneeDart Industries Inc.
InventorRobert H. C. M. Daenen
Life of this patent
Estimating the term…
Abstract
A device for properly aligning the sealing member of a cover relative to the sealing rim of a container. The device includes at least one alignment tab which cooperates with at least one alignment slot to align the sealing member of a cover with respect to the sealing rim of a container. Accurate alignment of the sealing member and sealing rim ensures a proper seal and prevents deformation of the container and cover due to misalignment.
Claims8
A container having a wall structure and a bottom wall at one end of said wall structure;
- said wall structure including at least two sidewalls joined by at least two curved walls;
- said wall structure further including a sealing rim positioned at the end of the container opposite the bottom wall;
- a cover having a central portion and a sealing member positioned about said central portion and adapted to mate with said sealing rim;
- alignment means on said cover and said side wall structure cooperating to align the sealing member with respect to the sealing rim such that the cover can be properly fitted onto the container.
1 more element
Dependencies are inferred from the claim text.