Package making – Methods – With contents treating
Patent
1979-04-09
1982-08-03
Silbaugh, Jan H.
Package making
Methods
With contents treating
53449, 53453, 53456, 53478, 264516, 264522, 264550, 264551, 425503, B65B 3100, B65B 4308, B65B 4708, B29C 1704
Patent
active
043421830
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: 3338020 (1967-08-01), McGee
patent: 3366019 (1968-01-01), McGee
patent: 3533135 (1970-10-01), Christensson
patent: 3659393 (1972-05-01), Richter
patent: 3975134 (1976-08-01), Repenning
Cooper Keith A.
Gordon Robert L.
Naugle George H.
Barnes Richard M.
International Paper Company
Silbaugh Jan H.
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