US Patent 7195478 Manifold assembly

A manifold assembly is provided for conveying injection molding material from a molding material supply into a mold. The manifold assembly includes a manifold having a manifold flow passage extending therealong. The manifold assembly also includes at least one nozzle extending outwardly from the manifold to a distal end. The at least one nozzle includes a central nozzle passage extending from and in fluid communication with the manifold flow passage. The at least one nozzle extends on an angle from the manifold to be tangential to an arcuate surface of a part to be molded.