Patent ID: 7393479
Filing Date: 2008-07-01
Classification: B29C

Abstract:
1. An injection molding three way valve assembly configured to be disposed to control a flow of a molten material from an injection unit to a runner system, said injection molding three way valve assembly comprising: a valve plunger configured to be disposed between the injection unit and the runner system, said valve plunger having a flow-through channel and a purge channel; and structure configured to control the position of said valve plunger between (i) a molten material flow position where the molten material flows through the flow-through channel, (ii) a molten material blocked position where the molten material is blocked from flowing through the flow-through channel, and (iii) a molten material purge position where the molten material flows through the purge channel, without disconnecting the injection unit from the runner system, said structure configured to control including: