| 摘要 |
PURPOSE:To block disconnections due to the hang-up of a linear object by a method wherein at least one of the end plates of a spool is provided with a hang-up preventing means. CONSTITUTION:The spool has a cylindrical wire-wound part 1 for wire winding and end plates 2a and 2b formed at both ends in the axial direction. At the plate 2a on the side of placing on a spool mount 3 of the end plates of this spool, a guide 4 having a section shape of circular tray form is fitted in contact. Therefore, the spool is placed on the spool mount via guide with the plate 2a downward. Besides, circumferential wall 4a in the outer periphery of the guide projects out to the outer peripheral side of the plate slightly upward from the top of the plate. Accordingly, even when the wire around the wire-wound part sags e.g. in shifting from the first bonding point to the second bonding point, wire cuts due to its hang-up between the plate and the spool mount are eliminated. |
