| 摘要 |
PURPOSE:To carry out uniform coating, to uniformize the adhesive strength of the title adhesive, and to increase the coating speed by arranging two rotatable rollers consisting of a good conductor in parallel, providing a penetrating hole at the center of the spindle of the roller, and passing a heat source through the penetrating hole. CONSTITUTION:Two rotatable rollers 3 and 4 consisting of a good conductor are arranged in parallel, and a gap DELTAG corresponding to the thickness of a coating is formed between the rollers. The penetrating hole 2a is provided at the center of the spindle of the roller, and the rod-shaped heat source 5 is fixed in the penetrating hole 2a so that the source is not brought into contact with the inner wall of the penetrating hole 2a. In addition, the molten hot-melt adhesive B is supplied to the gap between the rollers and retained in the gap. As a result, uniform coating can be carried out, the adhesive strength is uniformized, and the coating speed can be increased.
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