| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an extrusion mold which can stably and uniformly mold a molding having a plurality of hollow holes. Ž<P>SOLUTION: The extrusion mold for forming a molding is provided which has a plurality of the hollow holes by extruding a molding material. A passage 1 through which the molding material circulates is formed in a mold body 2. A plurality of support bars 4 which partition the passage 1 at prescribed intervals are installed in the mold body 2. By installing a plurality of pin bases 28 on both sides of the support bar 4 by zigzag arrangement, an orifice 6 having an approximately constant width is formed between the adjacent support bars 4 and 4. A pin body 5 is installed from the pin base 28 toward the outlet 7 of the passage 1. A dummy pin 61 which is arranged between the adjacent pin bodies 5 and 5 is installed on the surface in the passage 1 of the mold body 2. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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