The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 30, 1990
Filed:
May. 11, 1988
Swiss Aluminium, Ltd., Chippis, CH;
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.