Title: Container for storing food

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 other 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.

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Other info:

Inventors: Gordon, Robert L. (Monroe, NY, US)
Naugle, George H. (Central Valley, NY, US)
Cooper, Keith A. (Laurel, MD, US)

Application Number: 818245
Filing Date: 1977-07-22
Publication_date: 1979-02-27
Assignee: International Paper Company (New York, NY)
Primary Class(es): 229/125.05 206/521, 229/5.82, 229/5.84, 229/117.27, 229/123.1
Other Classes:
US Patent Ref:

2364012	Nov, 1944	Walton et al.	220/441.
3126797	Mar, 1964	Carpenter	93/36.
3266390	Aug, 1966	Carpente, Jr.	93/36.
3366019	Jan, 1968	McGee	93/36.
3390618	Jul, 1968	McArdle	93/36.
3450807	Jun, 1969	Cheny	264/89.
3468224	Sep, 1969	Rausing et al.	93/36.
3487989	Jan, 1970	Rausing et al.	229/450.
3643854	Feb, 1972	Holmes	220/462.
3893882	Jul, 1975	Repenning	156/287.
3949046	Apr, 1976	Proctor	425/528.
4025275	May, 1977	Gournelle	425/387.

Other Refs:
Primary Examiner: Moorhead, Davis T.
Assistant Examiner:
Attorney: Barnes; Richard M.