B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 33/00 (2006.01) B41C 1/10 (2006.01) B41J 29/377 (2006.01)
Patent
CA 2201226
A laser-operated printing plate imaging device (1) for imaging an even printing plate (4) or a printing plate (4) mounted on a printing press plate cylinder (2) comprises one or multiple printing plate imaging units (5), the laser diode units (10) of which being operated in phase opposition with a heating element (18) arranged near the laser diode units (10), in order to keep the temperature of the laser diode units (10) essentially constant during the imaging process.
L'invention est un dispositif d'imagerie (1) à laser pour planches d'impression (4) monté sur un cylindre (2) de presse à imprimer. Ce dispositif comporte une ou plusieurs unités d'imagerie (5) et des diodes laser (10) utilisés en opposition de phase avec un élément chauffant (18) voisin pour maintenir leur température essentiellement constante durant le processus d'imagerie.
Meyer Helmut
Schunn Johann
Dennison Associates
Heidelberger Druckmaschinen Aktiengesellschaft
Presstek Inc.
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