Container having manually openable closure for mixing

Details Container having manually openable closure for mixing Container having manually openable closure for mixing

1989-10-30

1991-10-01

Gehman, Bryon P.

Special receptacle or package

For mixing

215DIG8, 220521, 426115, 426120, B65D 2508

Patent

active

050525530

ABSTRACT:
In a packaging unit comprising a container, a flexible closure mounted thereto and at least one compartment located underneath the closure within the container. The compartment is adapted to release its content in the container when the closure is peeled sufficiently therefrom. The container and the compartment are made of plastics materials whereas the flexible closure is made preferably of aluminum foil. In one embodiment, the compartment comprises frangible sections along its sidewall and its bottom wall whereby removal of the closure causes rupture of the compartment at its frangible sections thereby releasing the content of the compartment into the content of the container. In a further embodiment, the flange which extends peripheral outwards from the upper ends of the sidewalls of the compartment is heat-sealed in one section thereby completely to the closure and in another section thereof only partly thereto. Therefore, upon removal of the closure from the container, flexion forces cause the second section of the flange to separate from the underside of the closure whereby the content of the compartment can pour from an upper open-ended section thereof into the container.

REFERENCES:
patent: 3305368 (1967-02-01), Bourelle
patent: 3326363 (1967-06-01), Bennett et al.
patent: 3743520 (1973-07-01), Croner
patent: 3779372 (1973-12-01), De Lloret
patent: 4221291 (1980-09-01), Hunt
patent: 4333581 (1982-06-01), Flansburg
patent: 4627986 (1986-12-01), Bardsley et al.
patent: 4836370 (1989-06-01), Bosshard

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