EP 0466433 A3 19930317 - APPARATUS FOR MAKING A PRINTING PLATE AND A PRINTING PLATE THEREOF
Title (en)
APPARATUS FOR MAKING A PRINTING PLATE AND A PRINTING PLATE THEREOF
Publication
Application
Priority
- JP 18089390 A 19900709
- JP 18089490 A 19900709
Abstract (en)
[origin: EP0466433A2] An apparatus for making a printing plate in which a printing plate made of a thermoplastic resin sheet is wrapped around a plate cylinder and a laser beam from a laser source is irradiated on the printing plate to form holes in accordance with image information is comprised of angle adjusting means for adjusting an irradiation angle of the laser beam from the laser source and control means for controlling the irradiation start position of the laser beam such that holes on the printing plate are made continuous at a predetermined angle. Thus, a printing plate having various dot patterns can be obtained only by adjusting the optical system of this apparatus and a printed product in which the occurrence of moiré can be avoided can be obtained. <IMAGE>
IPC 1-7
IPC 8 full level
CPC (source: EP)
Citation (search report)
- US 4149183 A 19790410 - PELLAR RONALD J, et al
- GB 2223984 A 19900425 - SONY CORP [JP]
- EP 0370271 A2 19900530 - DAINIPPON SCREEN MFG [JP]
- GB 2030929 A 19800416 - CROSFIELD ELECTRONICS LTD
- [A] PATENT ABSTRACTS OF JAPAN vol. 12, no. 109 (M-682)8 April 1988 & JP-A-62 238 743 ( DAINIPPON PRINTING CO LTD )
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0466433 A2 19920115; EP 0466433 A3 19930317; EP 0466433 B1 19960417; DE 69118763 D1 19960523; DE 69118763 T2 19960919; DE 69125958 D1 19970605; DE 69125958 T2 19970821; EP 0668158 A1 19950823; EP 0668158 B1 19970502
DOCDB simple family (application)
EP 91306174 A 19910708; DE 69118763 T 19910708; DE 69125958 T 19910708; EP 95200901 A 19910708