| 摘要 |
PROBLEM TO BE SOLVED: To provide a molded part of pachinko game machine improving the functionality and design nature of ornament attached on a game board. SOLUTION: When an insert pin 2 is attached at the back part of ornament 1 at one piece, a design surface 1a is constituted on a first metal mold T1, a recess part 4 is formed facing to the design surface 1a on a second metal mold T2, in the recess part 4, the insert pin 2 is placed so that the tip end of the sharp head shape 2a faces the metal mold and the tip end of the insert pin 2 is molded so as to arrange in a state contactable of the design surface 1a. The ornament 1 using the insert pin 2 is formed in sharp head shape 2a at the tip, so that approaching the design surface 1a does not affect and uniformity and design nature is raised. Also, the pin dimension P is stabilized, controlling in molding conditions is facilitated. COPYRIGHT: (C)2004,JPO
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