Gravure printing apparatus

Details Gravure printing apparatus Gravure printing apparatus

B - Operations, Transporting

41

C

101/78

B41C 1/12 (2006.01) B23K 26/08 (2006.01) B41C 1/05 (2006.01) B41N 1/22 (2006.01)

Patent

CA 1335551

Apparatus is provided for making a plate cylinder of an intaglio plate that can be used in gravure printing. The apparatus includes a printing plate sheet made of a thermoplastic resin and wrapped around a metal cylinder. A semiconductor laser source irradiates the circumferential surface of the printing plate sheet with a laser beam to form concave portions or cells on the circumferential surface of the printing plate sheet in response to the tones of a picture. The sheet with the holes formed therein is used as a printing plate. A plate cylinder for intaglio printing is thus formed directly by using an electrical signal.

610550

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