CPC B05C 5/001 (2013.01) [B05C 5/0225 (2013.01); F24H 1/10 (2013.01)] | 16 Claims |
1. A heater for heating material in a dispensing system comprising:
a housing that defines a first end, a second end opposite the first end, and a cavity that extends from the first end to the second end, wherein the cavity is configured to receive a supply of material, the housing further defining an outer surface that includes a first helical groove and a second helical groove, wherein the first and second helical grooves extend from the first end to the second end;
a temperature sensor disposed in the first helical groove;
a heater wire disposed in the second helical groove;
an insulating layer disposed around the housing; and
a sleeve disposed around the insulating layer.
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