Patent ID: 8282386

Claim:
An injection molding apparatus comprising: an inlet component having an inlet and a plurality of outlets, the inlet for receiving molding material from a source; a plurality of nozzles, each nozzle having a molding material inlet and a nozzle channel for delivering molding material through a mold gate and into a mold cavity, each nozzle having an actuated valve pin for opening and closing the mold gate; and a manifold connected between the outlets of the inlet component and the inlets of the nozzles for conveying molding material from the inlet component to the nozzles, wherein at least one of the nozzles comprises a nozzle core that defines the nozzle channel for conveying molding material, a cooling channel for flow of coolant to cool the molding material in the nozzle channel, and a nozzle housing in which the nozzle core is disposed, the nozzle housing including coolant ports connected to the cooling channel of the nozzle core and a molding material inlet connected to the nozzle channel.