Ultrasonic joining method and ultrasonic joining device
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United States of America Patent
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Jul 26, 2016
Grant Date -
Jun 18, 2015
app pub date -
Dec 5, 2014
filing date -
Dec 12, 2013
priority date (Note) -
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Abstract
An ultrasonic joining method for bonding paper material (5), in particular paper, paperboard or cardboard, comprising the following steps: introducing the paper material (5) into a gap (4) between an ultrasonic horn (2) and an anvil (3), applying a joining force in a joining force direction (6) to the paper material (5) in the gap (4), and setting the ultrasonic horn (2) into an ultrasonic vibration in order to join the paper material (5), characterized in that an ultrasonic frictional welding operation is carried out, in which the joining force direction (6) is not parallel to the direction of vibration (7) of the ultrasonic vibration.
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