Nozzle of injection machine and heating apparatus of the nozzle
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United States of America Patent
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Sep 13, 2016
Grant Date -
Oct 30, 2014
app pub date -
Nov 28, 2013
filing date -
Apr 29, 2013
priority date (Note) -
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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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