| 摘要 |
<p>PCT No. PCT/IT96/00105 Sec. 371 Date Aug. 5, 1998 Sec. 102(e) Date Aug. 5, 1998 PCT Filed May 24, 1996 PCT Pub. No. WO97/33759 PCT Pub. Date Sep. 18, 1997A process for preparing removable metal sleeve for gravure printing machines has been carried out in which after treating the lateral surface of the cylinder with a separator product and after associating protective strips in closure of the through holes of the lateral surface of the cylinder, the same is dipped into an electro-copper plating bath for forming a copper removable sleeve and axial removing of the copper sleeve is obtained by means of compressed air forced to form an air cushion between the cooper sleeve and the lateral surface of the cylinder and by means of a separator product used between the same copper sleeve and the cylinder.</p> |
