This invention relates to a method and apparatus for the control of injection molding and, in particular, for determining a suitable time for transfer from injection velocity control to packing pressure control. The invention uses a derivative of, preferably the nozzle pressure, and inputs this to a...http://www.google.de/patents/US6309571?utm_source=gb-gplus-sharePatent US6309571 - Method and apparatus for the control of injection molding
