| 摘要 |
<p>An injection molding shooting pot assembly check valve configured to be installed in a coinjection hot runner with a coinjection nozzle, the coinjection nozzle having at least two melt channels ending at the same gate includes a valve inlet and a valve outlet. A check valve occlusion (preferably a ball) is configured to (i) be disposed integral with or immediately adjacent the shooting pot assembly, and (ii) prevent resin leakage to the valve inlet in response to a melt discharge operation of the shooting pot assembly. Preferably, more than one such shooting pot assembly with integral check valve is provided in a coinjection molding machine.</p> |
