| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot runner device capable of making a temperature difference larger even though the distance between a nozzle and a mold is short. SOLUTION: The hot runner device attached to a mold 2 and for injecting a molten resin into a cavity 6 of the mold 2 has a nozzle body 20 injecting the resin while being pushed to the mold 2 and insulation members 30, 40 and 50 arranged between the nozzle body 20 and the mold 2. The insulation members contact with the nozzle body 20 in a first contact part and contact with the mold 2 in a second contact part. The length of a heat transfer channel along the insulation member between the first contact part and the second contact part is longer than the direct distance between the nozzle body 20 and the mold 2. COPYRIGHT: (C)2009,JPO&INPIT
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