B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/703
B29C 45/30 (2006.01) H05B 3/10 (2006.01)
Patent
CA 1164615
TITLE OF THE INVENTION "A pointed heat-generating device for molds of injection molding machines" ABSTRACT OF THE DISCLOSURE This invention relates to a pointed heat- generating device for molds of injection molding machines. It comprises a metal casing 2, a pointed projectile heat-generating means 3 fixed with the metal casing, and a gate 18 formed at the pointed heat- generating means and communicated to a cavity 19 of the molds, characterized in that a heat-generating wire 7 is penetrated wholly into a passage which is bored in a non-processed cylindrical material 3a and an alloy portion X is formed in an inert gas between an end of the heat-generating wire and the non processed cylindrical material, thereby the alloy portion being formed as a pointed part of the heat-generating means 3 by machining.
380511
Riches Mckenzie & Herbert Llp
Seiki Engineering & Research Company Limited
Tsutsumi Shigeru
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