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US 7,806,681 B2Granted
Plate heater for a manifold of an injection molding apparatus
AssigneeMold-Masters (2007) Limited
InventorsMurray Feick, Douglas Ursu
Life of this patent
Estimating the term…
Abstract
An injection molding apparatus includes 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. A heater is coupled to the manifold. The heater includes a heater plate that is formed by an extrusion process and at least one channel for receiving a heating element.
Claims20
An injection molding apparatus comprising:
- a manifold having a manifold channel, the manifold channel receiving a melt stream of moldable material from a source;
- a nozzle coupled to the manifold, the nozzle having a channel for receiving the melt stream from the manifold channel;
- a plate heater coupled to the manifold, the plate heater including a heater plate body and at least one heating element, wherein a surface of the heater plate body has at least one channel therein in which the at least one heating element is received;
- and
- at least one end cap for commonly fixing a terminal end of the at least one heating element relative to the heater plate body.
2 more elements
Dependencies are inferred from the claim text.