B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/74 (2006.01) B29C 45/27 (2006.01) B29C 45/30 (2006.01)
Patent
CA 2078890
ABSTRACT OF THE DISCLOSURE An injection molding heated nozzle having a torpedo seated in the central melt bore. The torpedo has a support rib extending from an outer collar to an elongated shaft with a forward pointed tip which extends centrally in the melt bore. The elongated shaft has a wear resistant outer portion and a highly conductive inner portion to prevent the build up of excessive friction heat in the gate area during injection. A bore extends radially inward through the collar and the support rib into the highly conductive portion of the central shaft. The nozzle body has a radial opening in alignment with the radial bore in the torpedo through which a thermocouple wire is removably inserted. This positions the thermocouple centrally in the central shaft to accurately monitor and control fluctuations in the operating temperature.
Dalesman & Company
Gellert Jobst Ulrich
LandOfFree
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