The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2025
Filed:
Apr. 05, 2022
Tetra Laval Holdings & Finance S.a., Pully, CH;
Fabio Soci, Modena, IT;
TETRA LAVAL HOLDINGS & FINANCE S.A., Pully, CH;
Abstract
There is described a sealing device for sealing packages filled with a pourable product within a packaging machine. The sealing device has at least one sonotrode comprising at least a sonotrode head and a vibration control unit connected to the sonotrode head and configured to actuate ultrasonic vibrations of the sonotrode head. The vibration control unit comprises one or more piezoelectric transducer devices configured to generate ultrasonic vibrations to be coupled into the sonotrode head and one or more temperature sensors configured to measure the temperature of the one or more piezoelectric transducer devices for determining and/or monitoring respective operating states of the one or more piezoelectric transducer devices.