DRUCKMASCHINE MIT LASERPERFORIEREINHEIT

A laser perforating system for applying at least one perforation pattern of micro-perforations onto printed sheets, in particular sheets for the production of securities, banknotes, passports, ID cards and other valuable documents, comprising: - a sheet transport system (11) for transporting the pri...

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Bibliographische Detailangaben
Hauptverfasser:	EITEL, JOHANN EMIL, SCHAEDE, JOHANNES GEORG
Format:	Patent
Sprache:	ger
Schlagworte:	BOOK COVERS BOOKBINDING CALCULATING CLADDING OR PLATING BY SOLDERING OR WELDING COMPUTING COUNTING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES HANDLING RECORD CARRIERS LOOSE LEAVES MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PHYSICS PRESENTATION OF DATA PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR RECOGNITION OF DATA RECORD CARRIERS SOLDERING OR UNSOLDERING SPECIAL PRINTED MATTER TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A laser perforating system for applying at least one perforation pattern of micro-perforations onto printed sheets, in particular sheets for the production of securities, banknotes, passports, ID cards and other valuable documents, comprising: - a sheet transport system (11) for transporting the printed sheets along a transporting path; - a laser perforating unit (18) with at least one laser head (180) disposed along the transporting path of the sheet transport system (11) for perforating said printed sheets and carrying out the micro-perforations; and - a first aspiration unit (19) to maintain the printed sheets against an aspiration surface during perforation by said laser perforating unit (18), wherein said aspiration unit (19) is disposed between said laser perforation unit (18) and said transporting path of the sheet transport system (11), said aspiration unit (19) comprising at least one opening (190) in said aspiration surface (19a) through which is directed said at least one laser head (180).