Patent 7922479 was granted and assigned to Caterpillar Inc. on April, 2011 by the United States Patent and Trademark Office.
An injection molding hot runner system of modular construction adapted for rapid removal and replacement during required maintenance. The system includes at least one hot runner module adapted for mounting at a support surface. The hot runner module includes one or more injection nozzles adapted for fluid communication with a supply of molten material and an arrangement of acceptance openings adapted to engage mounting projection elements extending away from the support surface.