| 摘要 |
A method binding paper layers is based on ultrasonic joining. The paper layers are pretreated before, during or after printing with a binder by pressing or spraying on, or by shooting in droplets. The ultrasonic action is carried out by means of a control means and an ultrasonic generator (20). The latter has a conical or knife edge-like binding tool, namely the sonotrode (24). During the ultrasonic action, the latter is pressed against the layers (26), which in turn rest on a plate or wrist-like abutment (27).
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