发明名称 |
METHOD AND DEVICE FOR CROSS-PERFORATING A MOVING PAPER STRIP |
摘要 |
<p>A moving paper strip or web is cross-perforated by a perforation roller in cooperation with a counter roller. The perforation roller has a plurality of axially spaced retractable perforation plungers. These perforation plungers form a helical line of plungers on the circumference of the perforation roller to perforate left rising or right rising tear line extending in a direction oblique to a paper web movement direction to form a draw-in tip after separating the paper web along the tear line.</p> |
申请公布号 |
EP0986454(B1) |
申请公布日期 |
2001.11.07 |
申请号 |
EP19980934865 |
申请日期 |
1998.06.08 |
申请人 |
KOENIG & BAUER AKTIENGESELLSCHAFT |
发明人 |
HARTMANN, MANFRED, WOLFGANG;MICHALIK, HORST, BERNHARD |
分类号 |
B41F13/54;B26D1/40;B26F1/04;B26F1/10;B26F1/18;B26F3/00;B26F3/02;B41F13/60;(IPC1-7):B26F3/02;B41F13/03 |
主分类号 |
B41F13/54 |
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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