Invention Grant
US09440387B2 Nozzle of injection machine and heating apparatus of the nozzle 有权
注射机喷嘴和喷嘴加热装置

Nozzle of injection machine and heating apparatus of the nozzle
Abstract:
A heating apparatus for a nozzle of an injection machine includes a helical-spring shaped heating portion, a first sleeve, and a second sleeve. The first sleeve includes a first blocking portion and forms internal threads. The second sleeve includes a second blocking portion and forms external threads. The heating portion is received in the second sleeve. The internal threads are screwed into the external threads. The first blocking portion and the second blocking portion sandwich the heating portion.
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