| 摘要 |
PURPOSE: An injection molding manifold having an electric heater and manufacturing method is provided to easily insert an electric heater cover into the manifold by forming the electric heater cover independent to the shape of an insertion groove for the electric heater. CONSTITUTION: An injection molding manifold(10) is composed of an insertion groove formed in the manifold, an expansion groove formed at the side of the inserting groove, an electric heater(20) inserted into the inserting groove, and an electric heater cover(30) inserted into the insertion groove and expansion groove and covering the electric heater.
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