Patent ID: 7364426
Filing Date: 2008-04-29
Classification: B29C

Abstract:
1. An injection molding apparatus comprising: a manifold having a manifold channel, said manifold channel receiving a melt stream of moldable material from a source; a nozzle coupled to said manifold, said nozzle having a nozzle channel for receiving said melt stream from said manifold channel; a heater or temperature sensor coupled to said nozzle; a valve pin slidable through said nozzle channel of said nozzle, said valve pin being movable by an actuator; a distribution assembly located adjacent to said manifold, said distribution assembly having at least one distribution member, said at least one distribution member including a first conduit and a second conduit extending through said distribution member, said first conduit for transporting a fluid from a source through said distribution assembly, said second conduit for returning the fluid to the source; and a valve box sandwiched between said distribution member and said actuator, wherein said valve box controls the flow of said fluid between said first and second conduits of said distribution member and said actuator.