Container for storing food and process and apparatus for making

Details Container for storing food and process and apparatus for making Container for storing food and process and apparatus for making

1976-11-29

1979-05-22

Briggs, William R.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

Including blowing medium supply means

4253871, B29C 1700

Patent

active

041556976

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: 2891280 (1959-06-01), Politis
patent: 2962768 (1960-12-01), Politis
patent: 3081491 (1963-03-01), Black
patent: 3366019 (1968-01-01), McGee
patent: 3390618 (1968-07-01), McArdle
patent: 3555652 (1971-01-01), Ignell
patent: 3770860 (1973-11-01), Amberg et al.
patent: 3882212 (1975-05-01), Edwards
patent: 3949046 (1976-04-01), Procter
patent: 3955266 (1976-05-01), Honami et al.
patent: 3995763 (1976-12-01), Ayres et al.
patent: 4025275 (1977-05-01), Gournelle

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