Side gated hot runner with temperature control at the tips
AssigneeOtto Männer Innovation GmbH
InventorSwen Spuller
Life of this patent
Estimating the term…
Abstract
A hot runner injection molding apparatus comprising an injection molding manifold having an inlet melt channel and a plurality of outlet melt channels and a plurality of hot runner nozzles coupled to the outlet melt channels. Each hot runner nozzle includes a nozzle body defining a first nozzle body melt channel having a first axis. A nozzle tip housing is coupled to the nozzle body which includes at least two auxiliary melt channel portions each auxiliary melt channel portion has a second axis which is angled with respect to the first axis. At least two nozzle tips are arranged at the nozzle tip housing and in the area of each nozzle tip a nozzle tip heater is arranged, which is oriented substantially along the first melt channel.
Claims10
A hot runner injection molding apparatus comprising:
- an injection molding manifold having an inlet melt channel and a plurality of outlet melt channels;
- a plurality of hot runner nozzles coupled to the outlet melt channels, each hot runner nozzle including a nozzle body defining a first nozzle body melt channel having a first axis and a nozzle tip housing, wherein the nozzle tip housing is coupled to the nozzle body;
- the nozzle tip housing includes at least two auxiliary melt channel portions, each auxiliary melt channel portion has a second axis which is angled with respect to the first axis;
- at least two nozzle tips are arranged at the nozzle tip housing and in the area of each nozzle tip a nozzle tip heater is arranged, which is oriented substantially along the first melt channel;
- and
- wherein in the area of each nozzle tip heater a thermocouple is arranged for controlling the heat output of the corresponding nozzle tip hearer.
(canceled)
Dependencies are inferred from the claim text.