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US 5,427,266 AGranted
Seal indicator for lid and container
OwnerJames K. Yuninventor
Life of this patent
Estimating the term…
Abstract
A lid includes a seal indication window for viewing a corresponding seal indication surface on the rim of a container. This provides a quick visual indication of whether the container is closed properly.
Claims28
A two-piece enclosure comprising:
- a container bottom;
- a side wall extending continuously around and integrally joined to said container bottom to comprise a unitary container, said side wall having a continuous peripheral edge;
- a sealing rim disposed continuously along said side wall to become an integral part of said continuous peripheral edge of said side wall;
- a lid;
- a lid seal comprising an outer sealing lip extending continuously around and integrally joined to a peripheral edge of said lid to become an integral part of said lid and forming one side of a groove along said peripheral edge of said lid, said groove being adapted to sealingly engage said sealing rim of said container;
- and
- a seal indication window disposed around said lid seal in a loop having an inner edge and an outer edge, said window being bordered by a shaded area along both said inner edge and said outer edge, said window having a greater degree of transparency than said shaded area.
4 more elements
A two-piece enclosure comprising:
- a see-through container bottom;
- a see-through side wall extending continuously around and integrally joined to said container bottom to comprise a see-through unitary container, said side wall having a continuous peripheral edge;
- a sealing rim disposed continuously along said side wall to become an integral part of said continuous peripheral edge of said side wall;
- a seal indication surface disposed in a loop along said sealing rim, said seal indication surface being distinguishable from immediately adjacent areas of said see-through unitary container by way of color;
- a lid that includes a see-through area;
- and
- a lid seal comprising an outer sealing lip extending continuously around and integrally joined to a peripheral edge of said lid to become an integral part of said lid and forming one side of a groove along said peripheral edge of said lid, said groove being adapted to sealingly engage said sealing rim of said container.
4 more elements
A two-piece enclosure comprising:
- a see-through plastic container bottom;
- a see-through plastic side wall extending continuously around and integrally joined to said see-through plastic container bottom to comprise a unitary see-through plastic container, said see-through plastic side wall having a continuous peripheral edge;
- a sealing rim disposed continuously along said see-through plastic side wall to become an integral part of said continuous peripheral edge of said see-through plastic side wall;
- a seal indication surface disposed in a loop along said sealing rim, said seal indication surface being distinguishable from immediately adjacent areas of said unitary see-through plastic container by way of color;
- a plastic lid;
- a lid seal comprising an outer sealing lip extending continuously around and integrally joined to a peripheral edge of said lid to become an integral part of said lid and forming one side of a groove along said peripheral edge of said plastic lid, said groove being adapted to sealingly engage said sealing rim of said see-through plastic container;
- and
- a seal indication window disposed around said lid seal in a loop having an inner edge and an outer edge, said window being bordered by a shaded area along both said inner edge and said outer edge, said window having a greater degree of transparency than said shaded areas.
5 more elements
Dependencies are inferred from the claim text.