NOZZLE OF INJECTION MACHINE AND HEATING APPARATUS OF THE NOZZLE

摘要

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.

主权项

1. A heating apparatus, comprising:
a helical-spring shaped heating portion; a first sleeve forming a first blocking portion at a first end and forming internal threads on a second end; and a second sleeve forming a second blocking portion at a first end and forming external threads on a second end; wherein the first sleeve is coupled to the second sleeve, with the external threads mating with the internal threads, the heating portion is received in the second sleeve and first sleeve, and positioned between the first blocking portion and the second blocking portion.