Perforation device for printing machine

Patent name Perforation device of printing machine Patent applicant Komori Corporation Principal applicant Address Tokyo, Japan Inventor Xiong Gu Zhou Yang Application (Patent) No. 200510054868.0 Date of application 2005.03.22 Award date Approval Publication No. 1672927 Validation announcement date 2005.09.28 Specification CD-ROM D0539 main classification number B41G7/00 classification number B41G7/00; B41F19/00 division original application number priority item 2004.3.23 JP 2004-084091 Abstract provides a printing capable of processing laser marking or perforation pattern on a printing press with high precision Machine perforation device. It includes a conveyor chain that holds the front end portion of a single sheet (W) printed by the printing unit (2), and conveys the single sheet (W) from the printing unit (2) to the paper discharge unit (3). (17) a vacuum table (25) for attracting a single sheet (W) conveyed by the conveyor chain (17); colliding with the vacuum table (25) and irradiating the laser beam to the vacuum table (25) A perforated COsub2/sub laser (carbon dioxide laser) (21) on a single sheet (W). Summarizing Claims 1. A perforation device for a printing press, characterized in that it has a leading end portion of a sheet (W) printed by a printing section (2) and conveys the sheet from the printing section to the sheet a conveying mechanism (17) on the discharge section (3); a vacuum table (25) for sucking the sheet conveyed by the conveying means; and a pair of vacuum plates for colliding with the vacuum table and irradiating the sheet with suction on the vacuum table; Perforated CO2 laser (21). International Application International Publication Date of Entry into the Country Patent Agencies China Council for the Promotion of International Trade Patent and Trademark Office Agency Address Agent He Tengyun