发明名称 |
OFFSET PRINTING PLATE, AND METHOD OF MAKING THE SAME, FOR A ROTARY OFFSET PRINTING MACHINE |
摘要 |
A circumferentially continuous printing plate, which has the advantage over clamp plates that a clamping arrangement and groove in a plate cylinder can be eliminated, is formed by rolling a flat printing plate into tubular or sleeve form and welding the end edges together, preferably by a neodymium-YAG laser weld, resulting in a narrow, less than 1 mm wide, weld seam (2) having upper and lower concave sides. The plate can be coated and imaged when flat or after having been rolled and installed on a plate cylinder (37) of a printing machine. Interengaging projection-and-recess elements (4, 6; 14, 16) are formed on the plate (1, 1') and on the cylinder (37), respectively, to ensure lateral and circumferential register. |
申请公布号 |
CA2083682(C) |
申请公布日期 |
1996.10.29 |
申请号 |
CA19922083682 |
申请日期 |
1992.11.24 |
申请人 |
MAN ROLAND DRUCKMASCHINEN AG |
发明人 |
HOFFMANN, EDUARD;WINTERHOLLER, JOHANN;PREM, WOLFGANG;STOECKL, HERBERT |
分类号 |
B41F27/00;B41F27/06;B41F27/12;B41N1/20;(IPC1-7):B41F7/02 |
主分类号 |
B41F27/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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