Injection molding apparatus

An injection molding apparatus for receiving molten material from an injection machine nozzle of an injection molding machine, and delivering the molten material to at least one mold cavity housed within a cavity side of a mold assembly, comprising:

• a manifold comprising:
• a manifold plate;
• and
• a manifold insert disposed within the manifold plate, the manifold insert including:
• a molten material receiver configured for receiving molten material;
• and
• at least one passageway for transmitting the molten material received at the molten material receiver to the at least one mold cavity;
• a molten material conduit device having an inlet opening for receiving the molten material from the injection machine nozzle, a discharge opening for transmitting the molten material to the molten material receiver, and a molten material conduit extending therebetween;
• and
• a back plate disposed on the manifold plate and configured for cooperating with the injection machine nozzle;
• wherein:
• the molten material conduit device includes a base flange defined at a discharge end of the molten material conduit device, the base flange extending outwardly away from the discharge opening, the base flange having a first side defining a manifold insert sealed interface effector that extends around the discharge opening, and a second side defining a back plate sealed interface effector;
• and
• the manifold plate, the manifold insert, the molten material conduit device and the back plate are cooperatively configured such that:
• at least a portion of the base flange is disposed between the manifold insert and the back plate such that the first side is disposed in abutting contact with a portion of the manifold insert and the second side is disposed in abutting contact with a portion of the back plate;
• the discharge opening is disposed in alignment with the molten material-receiver such that communication between the inlet opening of the molten material conduit device and the molten material receiver of the manifold insert is established;
• and
• disposition of the at least a portion of the base flange between the manifold insert and the back plate is with effect that:
• (i) a first sealed interface is established between the manifold insert sealed interface effector and the manifold insert;
• and
• (ii) a second sealed interface is established between the back plate sealed interface effector and the back plate.