Container for storing food and process and apparatus for making

Package making – With contents treating – Vacuum or inert atmosphere

Patent

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Details

53175, 53563, 53512, 53373, 53281, B65B 4708, B65B 302

Patent

active

044895372

ABSTRACT:
Disclosed is a container for storing product, a process and apparatus for making that container, a process and apparatus for drawing and blow forming plastic into a paperboard outer container and a process and apparatus for heat sealing a container. The container comprises a paperboard outer container and a plastic inner container which has been drawn and blow formed into the outer container. At the mouth of the container are horizontal plastic flanges which extend about the periphery of the container at least about 1/8 inch outwardly from the plastic inner container. Vertical flanges extend downwardly at least about 1/8 inch from the horizontal flanges. After product is placed in the container, the container is sealed by a heat sealable cover. A plastic overcap may be provided which engagedly fits around the container at its top.

REFERENCES:
patent: 2736065 (1956-02-01), Wilcox
patent: 2891280 (1959-06-01), Politis
patent: 3206907 (1965-09-01), Schroeder
patent: 3338020 (1967-08-01), McGee
patent: 3366019 (1968-01-01), McGee
patent: 3387427 (1968-06-01), Perdue
patent: 3449183 (1969-06-01), Zelnick
patent: 3481100 (1969-12-01), Bergstrom
patent: 3533135 (1970-10-01), Christensson
patent: 3545163 (1970-12-01), Mahaffy et al.
patent: 3659393 (1972-05-01), Richter
patent: 3714758 (1973-02-01), Vogeleer
patent: 3908334 (1975-09-01), Rychiger
patent: 3975134 (1976-08-01), Repenning

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