| 摘要 |
<p>PURPOSE:To provide a manufacture for a weldable metallic plate coated with a thermoplastic resin which has superior adhesion properties, processability, corrosion resistance and appearance. CONSTITUTION:A pressure roll 5 is pressed to a preheated metallic plate 1 wound around a wind roll 4. A molten thermoplastic resin 3 is supplied from a T die through an extruder down into a gap between the pressure roll 5 and the metallic plate, so that the metallic plate 1 is coated with the resin 3. Then, the metallic plate 1 is cooled and wound up. In the method as above, the width of the pressure roll 5 where the roll 5 is in touch with the metallic plate is made smaller than that of the metallic plate, and a resin film where the pressure roll 5 is not in touch with the metallic plate is cut by a downstream cutting device.</p> |
