Injection Molding Manifolds
“In a typical injection molding apparatus, a manifold delivers melt to a mold cavity through a hot runner nozzle. A manifold may include one, two or a plurality of outlets for delivering melt to respective hot runner nozzles. The shape, size and number of mold cavities typically determine the configuration of the manifold and hot runner nozzles for a particular injection molding application. For each different application, the manifold is typically custom made, which is a costly and time-consuming process.” (Fischer and Goslinski, US Patent 7,802,983; 9/28/2010)
Recent US Patents
10/5/2010
7,806,681
Plate heater for a manifold of an injection molding apparatus
Feick and Ursu of Mold Masters Limited, Canada developed a manifold having a manifold channel for receiving a melt stream of moldable material and delivering the melt stream to a mold cavity through a nozzle channel of a nozzle and a mold gate. The manifold is heated by heater plate with at least two heating elements. (RDC 12/19/2010)
9/28/2010
7,802,983
Configurable manifold
Fischer and Goslinski of Mold-Masters Limited, Canada a manifold having a melt channel for receiving a melt stream of moldable material from a source and a heated nozzle for receiving the melt. The heater is controlled by a temperature sensor in the manifold. (RDC 12/7/2010)