Patent ID: 7909599
Filing Date: 2011-03-22
Classification: B29C

Abstract:
1. An injection nozzle for supplying hot-melt plastic in an injection mold having a nozzle housing and a nozzle needle mounted to move in a straight line to open and close a melt opening that leads to a mold cavity, with the nozzle needle being moved by an actuator having a groove, and with the actuator having its own transmission by which movement of the actuator is converted into a movement of the nozzle needle wherein the transmission has a pin-shaped slide block that is guided in the groove, that is indirectly connected to the nozzle needle, and that is part of a separate add-on unit that is detachably mounted on the injection nozzle and in which a rod assembly is arranged at least in part, with the rod assembly being connected at an input end to the actuator and at an output end to the nozzle needle to transmit force therebetween in two directions.