Patent ID: 6702562
Filing Date: 2004-03-09
Classification: H01F

Abstract:
An apparatus for producing a molded body to be included in a bead inductor, in which the molded body is formed in a mold cavity via injection molding when producing the bead inductor by electrically connecting external terminal electrodes to both ends of a hollow core conductor coil disposed in the molded body formed by embedding the hollow core conductor coil in rubber or resin material containing magnetic powder, the apparatus comprising:an upper mold portion having a first gate and a second gate arranged to allow the resin or the rubber material to be supplied into the mold cavity; a lower mold portion which is fitted to the upper mold portion to define the mold cavity, the lower mold portion having an accommodating hole in a portion thereof located a position substantially corresponding to an approximate center portion of the mold cavity; a first spacer pin portion movably disposed in the accommodating hole in the lower mold portion; a second spacer pin portion movably disposed in the second gate in the upper mold portion; and a closing pin movably disposed in the first gate in the upper mold portion.