Composite container for food and process for its production

Details Composite container for food and process for its production Composite container for food and process for its production

1988-05-11

1990-01-30

Rosenthal, Arnold

Special receptacle or package

Laminate sheet packet

Cover of plural lamina

2065242, 206561, B65D 8572

Patent

active

048967726

ABSTRACT:
With a sterilizable composite container as preserving receptacle for food and other filled container products, which . . . by a simple tray or multi-compartment tray of plastic, receiving the filled product, a flexible or semi-rigid lid of a plastic/aluminium/plastic laminate, which is sealed by heat sealing to the border of the tray and any land, and a stretch formed trough of the same shape as the tray, which trough consists of flexible plastic/aluminium/plastic laminate and surrounds, in close contact, the covered tray, the border of the trough being sealed on the lower part of the boarder of the tray by means of the action of temperature and pressure and/or, if appropriate, to the lid protruding beyond the border of the tray, the disadvantage affecting the known packs of flexible laminates for the same purposes of a low dimensional stability and their tendency to take on an unattractive appearance due to the formation of folds, in particular if the filled product is viscous or does not have any inherent stability, is voided.

REFERENCES:
patent: 3866820 (1975-02-01), Zumsteg
patent: 4116336 (1978-09-01), Sorensen et al.
patent: 4142630 (1979-03-01), Hayes et al.
patent: 4359495 (1982-11-01), Schroeder et al.

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