发明名称 |
WERKWIJZE VOOR HET VERVAARDIGEN VAN EEN VELVOERENDE FOLIE VOOR DRUKMACHINES. |
摘要 |
1529242 Electro-forming textured sheets VON ROLL AG 13 Feb 1976 [14 Feb 1975] 05855/76 Heading C7B A sheet-guiding foil for a printing machine is electro-formed by making a positive master by uniformly embedding into the surface of a support sheet a plurality of microscopic particles (e.g. glass balls 50-100 Ám dia.), coating the prepared surface with an electrically conducting layer (e.g. containing Ag or graphite), electro-forming a negative mould on the master and using this mould (which may be first chromate treated) to electro-form the final foil. |
申请公布号 |
NL178948(B) |
申请公布日期 |
1986.01.16 |
申请号 |
NL19760001428 |
申请日期 |
1976.02.12 |
申请人 |
VON ROLL AG TE GERLAFINGEN, ZWITSERLAND. |
发明人 |
|
分类号 |
B41F22/00;B41N7/00;C25D1/04;(IPC1-7):B41F21/00 |
主分类号 |
B41F22/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|