| 摘要 |
It comprises a device (4, 7, 8, 44) for injecting an electrolyte onto the regions to be treated of the strip (M) through masks (53), and a pressing device (31, 37, 16, 25, 57) applying this metal strip (M) against these masks (53) and ensuring leakproofing on both faces of this strip. It comprises a slide block (12) provided with a guiding track, the bottom of which has orifices facing nozzles (44) for injecting the electrolyte, in which an endless chain (1) travels, its width being smaller than the width of the guiding track and its links (52) being connected together with clearance. Each link (52) comprises a mask provided with at least one opening (54) and at least one pair of localising members (55) interacting with corresponding steering members of the metal strip (M). <IMAGE>
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