Patent ID: 7780433
Filing Date: 2010-08-24
Classification: B29C

Abstract:
1. A thermally gated hot runner nozzle, comprising: a nozzle body having a nozzle body melt channel; a heater connected to the nozzle body; a seal piece connected to the nozzle body for sealing to a mold part; a nozzle tip having a tip melt channel; and a thermal insert having an insert melt channel, the thermal insert being in contact with and separable from the nozzle tip and the thermal insert being in contact with and separable from the nozzle body, wherein the nozzle body melt channel, the tip melt channel, and the insert melt channel are in mutual communication, and wherein the thermal insert is of a material having a thermal conductivity different from the thermal conductivity of the material of the nozzle tip.