| 摘要 |
PURPOSE:To prevent an unoiled part from rusting by passing about one reel of plate through a coating apparatus part without oil from the front end of the plate, then, starting oiling of only the surface of the plate which forms the inside of a coil. CONSTITUTION:Immediately before the plate P is taken up round a take up reel 3, the surface of the plate P is oiled by the coating apparatus 2. In that case, after about pid equivalent to one reel of the plate passes through the part of the coating apparatus 2 without oil from the front end of the plate P, only the surface of the plate forming the inside of the coil begins being oiled. By this method, press troubles for unoiled parts are prevented and the yield can be improved. |
