| 发明名称 |
TOOTHED BLADE FOR PERFORATING SIGNATURES PRIOR TO FOLDING |
| 摘要 |
<p>A signature formed as a plurality of layers of paper sheets and having a fold line is provided along the fold line with a line of spaced perforations. This line of perforations is formed by a signature perforating knife which has a plurality of spaced perforating teeth. The folded signature avoids creases and bulges during stacking of plural signatures.</p> |
| 申请公布号 |
SU1669392(A3) |
申请公布日期 |
1991.08.07 |
| 申请号 |
SU19884356393 |
申请日期 |
1988.09.13 |
| 申请人 |
KENIG UND BAUER AG (FIRMA) |
发明人 |
GORST BERNKHARD MIKHALIK,DE |
| 分类号 |
B27F7/26;B26F1/14;B26F1/18;B26F1/20;B26F1/22;B41F13/54;B42C5/04;B42D15/00 |
主分类号 |
B27F7/26 |
| 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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