| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold part capable of enhancing durability to enhance the cutting precision of the pattern formed on a surface. SOLUTION: In a mold part 2 used in the injection molding of a resin, a surface metal layer 4 having the cavity surface facing the cavity of a mold, a resin layer 6 and a back metal layer 8 are integrally constituted in this order, a pattern form being an uneven structure is formed to the cavity surface of a surface metal layer and the resin layer is composed of 20-80 wt.% of a matrix resin and 80-20 wt.% of fibrous reinforcing material. COPYRIGHT: (C)2008,JPO&INPIT
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