Ultrasound heat sealing method with seal pressure regulation

The method involves rotating welding jaw (1,6) along closed path or linear path and rotating welding jaw in opposite direction. The weld surface of welding jaw is compressed through film tube (7). The ultrasonic vibration is applied to welding plane (S) within predefined welding time. The welding pa...

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Bibliographische Detailangaben
Hauptverfasser:	KUHN, ROLAND, LUTZ, ERHARD, DERSCH, VOLKER
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL 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:	The method involves rotating welding jaw (1,6) along closed path or linear path and rotating welding jaw in opposite direction. The weld surface of welding jaw is compressed through film tube (7). The ultrasonic vibration is applied to welding plane (S) within predefined welding time. The welding parameters are correlated based on drive power of drive unit set by control device so that welding force is extended along the welding force curve within the welding time. The first welding force in welding force curve is larger than second higher welding force.