Method for joining paper layers

Details Method for joining paper layers Method for joining paper layers

1991-12-24

1994-09-27

Rosenbaum, Mark

Bookbinding: process and apparatus

Process

412 5, 412 6, B24C 1100

Patent

active

053502680

ABSTRACT:
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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"Ultrasonics: the new wave in sealing", Modern Packaging, Sep. 1979, vol. 52 No. 9, pp. 39-41.

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