Patent ID: 7410354
Filing Date: 2008-08-12
Classification: B29C

Abstract:
1. An injection molding apparatus comprising: a manifold including a first manifold melt channel for delivering a first melt material and a second manifold melt channel for delivering a second melt material; an injection molding nozzle having a first melt channel for receiving the first melt material from the first manifold melt channel and having a second melt channel for receiving the second melt material from the second manifold melt channel; a valve pin having a valve pin body with a segment that slidably extends through the first melt channel of the nozzle, the valve pin being axially movable for controlling the flow of the first and second melt materials; a processing sensor coupled to and positioned at least partially within the segment of the valve pin body that extends within the first melt channel; and a mold cavity in fluid communication with the nozzle via a respective mold gate, wherein the valve pin has a downstream end portion for selectively opening and closing the mold gate.