Method and apparatus for ultrasonic welding

A method of ultrasonically welding laminated material under high pressure by ultrasonic vibrations is described in which the material is transported during the welding and the welding contact is periodically interrupted in a pulsating manner by neutralising or reducing the applied pressure. To carry...

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Bibliographische Detailangaben
1. Verfasser:	WECKER, KLAUS-DIETER, 2851 WREMEN, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method of ultrasonically welding laminated material under high pressure by ultrasonic vibrations is described in which the material is transported during the welding and the welding contact is periodically interrupted in a pulsating manner by neutralising or reducing the applied pressure. To carry out this method, the special feature of the apparatus consists in the fact that a rotating anvil roller has a peripheral tooth system of projections and guides are provided which accommodate the material between them in the area of the welding point.