Patent ID: 7207795

Claim:
An injection molding nozzle, comprising: an inner insert, the outside surface of said inner insert having a back end having a hexagon head, followed by an outer thread, a cylindrical centering portion, and a tubular relief portion ended by a small shoulder, followed by a conical active end of the tip, the inside surface of said inner insert comprising a diverted-flow inner insert having a large central duct, from which a plurality of smaller holes extend to a conical end; and an outer insert, the outside surface of said outer insert having a thread for engagement in a nozzle housing of an injection molding machine, followed by a small cylindrical portion for centering in the nozzle housing, an enlarged cylindrical portion which constitutes a secondary seal, a hexagon portion for torque, and a small cylindrical portion which constitutes a primary seal, said outer insert having an inside surface having a central hole with a threaded portion, followed by a cylindrical portion, and ending with a small conical opening at the active end, wherein said inner insert's thread engages the outer insert's internal thread until the hexagon head of the inner insert comes in firm contact with the back end of the outer insert, and wherein centering between said inner insert and said outer insert takes place on the cylindrical surface of contact between said inner and outer inserts, adjacent to the thread.