SEALING DEVICE AND METHOD FOR SEALING PACKAGINGS

A packaging includes a base foil and a cover foil, the base foil and/or the cover foil being formed from a water-soluble foil web. The apparatus includes a liquid supply for a water-containing liquid, at least one moistening unit, and a pressing device. The moistening unit is formed as a spraying de...

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Bibliographische Detailangaben
Hauptverfasser:	WOLF, ACHIM, EGELKRAUT, UDO, BLUM, UWE, THIENST, ANDREAS, MAJOR, FRITZ
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS PACKING PERFORMING OPERATIONS STORING TRANSPORTING UNPACKING
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Beschreibung
Zusammenfassung:	A packaging includes a base foil and a cover foil, the base foil and/or the cover foil being formed from a water-soluble foil web. The apparatus includes a liquid supply for a water-containing liquid, at least one moistening unit, and a pressing device. The moistening unit is formed as a spraying device for contactlessly spraying the liquid onto the foil web and is positioned at a distance (a) from the foil web. The spraying device includes an electromechanical spraying system with a row of outlet nozzles for spraying the liquid onto the foil web. The water-soluble foil web is supplied to the sealing apparatus. A water-containing liquid is sprayed onto the foil web via the spraying device. The cover foil is led onto the base foil and is pressed and sealed together therewith, in the state in which they are wetted with the liquid, via a pressing device.