SEALING DEVICE FOR A PACKAGING MACHINE, PACKAGING MACHINE HAVING A SEALING DEVICE AND METHOD OF OPERATING A SEALING DEVICE

There is described a sealing device (20) for sealing packages (2) filled with a pourable product within a packaging machine (1). The sealing device (20) has at least one sonotrode (21) comprising at least a sonotrode head (23) and a vibration control unit (25) connected to the sonotrode head (23) an...

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Bibliographische Detailangaben
1. Verfasser:	Soci, Fabio
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONVEYING FOR PERFORMING MECHANICAL WORK IN GENERAL GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL HANDLING THIN OR FILAMENTARY MATERIAL MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY 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:	There is described a sealing device (20) for sealing packages (2) filled with a pourable product within a packaging machine (1). The sealing device (20) has at least one sonotrode (21) comprising at least a sonotrode head (23) and a vibration control unit (25) connected to the sonotrode head (23) and configured to actuate ultrasonic vibrations of the sonotrode head (23). The vibration control unit (25) comprises one or more piezoelectric transducer devices (35) configured to generate ultrasonic vibrations to be coupled into the sonotrode head (23) and one or more temperature sensors (36) configured to measure the temperature of the one or more piezoelectric transducer devices (35) for determining and/or monitoring respective operating states of the one or more piezoelectric transducer devices (35).