Microwavable packaging container

Microwavable packaging container

The invention shows a packaging container (100) for a microwave oven, which enables an operator to easily recognize if the container content has been heated and if the container has been automatically opened. The container has been hermetically sealed by heat-sealing with a plastic film, wherein the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KANZAKI, KEIZO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Beschreibung
Zusammenfassung:The invention shows a packaging container (100) for a microwave oven, which enables an operator to easily recognize if the container content has been heated and if the container has been automatically opened. The container has been hermetically sealed by heat-sealing with a plastic film, wherein the container comprises a vapour release seal part (3) with a weakened part (4). The vapour release seal part is provided with a mark developing means, with which an opening of the vapour release seal part can be recognized by an outer colour difference between the opened vapour release seal part (3) and adjacent parts. This colour difference is caused by an opacification or whitening due to cohesion failure, when the vapour release seal part is peeled off the container.