ULTRASONIC SEALING OF PACKAGES

A method and apparatus for sealing films. In one embodiment the sealing device comprises a horn and an anvil. The film has a standard portion and an increased portion. Increased energy is applied to the film in the increased portion compared to the energy applied to the standard portion. Such a meth...

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Bibliographische Detailangaben
Hauptverfasser:	SHORT, MATTHEW, KOZMAN, AUSTIN, FLOWERS, SEAN, CHAM, PAK MENG, JORDAN, GLENN, T., IV
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING TRANSPORTING UNPACKING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method and apparatus for sealing films. In one embodiment the sealing device comprises a horn and an anvil. The film has a standard portion and an increased portion. Increased energy is applied to the film in the increased portion compared to the energy applied to the standard portion. Such a method allows for sealing of varying number of layers. L'invention porte sur un procédé et sur un appareil pour sceller hermétiquement des films. Dans un mode de réalisation, le dispositif de scellement hermétique comprend une trompe et une enclume. Le film a une partie standard et une partie augmentée. Une énergie accrue est appliquée au film dans la partie augmentée par rapport à l'énergie appliquée à la partie standard. Ce procédé permet un scellement hermétique d'un nombre variable de couches.