| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold for injection molding which reduces occurrence of a flash or a protrusion and which can obtain a molding without mold releasing fault. SOLUTION: A hot runner type mold for injection molding comprises a hot runner 15 communicating with a cavity 13, and a gate pin 16 slidably provided in the runner 15 to open/close a gate 14 in such a manner that a protruding amount (t) of a distal end 16a of the pin 16 from a gate surface when the gate 14 is closed becomes 0.1 to 0.5 mm.
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