Patent ID: 7396223

Claim:
A forming jig comprising: a rectification plate having a plurality of pattern material supply holes for the passage of material forming a pattern section of a body and having a plurality of cover material supply holes for the passage of material forming a cover surrounding the pattern section, the pattern material supply holes being separated from the cover material supply holes by a control plate located on an upstream side of the rectification plate; a drawing die installed downstream from the rectification plate, the drawing die defining a pattern forming passage in communication with the pattern material supply holes and a cover forming passage in communication with the cover material supply holes, the pattern forming passage defining an outer peripheral shape of the pattern section and the cover forming passage defining cover, and a floating die in which one or more wires float vertically in the drawing die and extend from the rectification plate towards an exit of the drawing die for forming a pattern of holes in material formed by the jig.