B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/736
B29C 47/24 (2006.01) B29C 47/00 (2006.01) B29C 47/02 (2006.01) B29C 47/12 (2006.01)
Patent
CA 1307890
ABSTRACT OF THE DISCLOSURE A system for producing a screw feeder for use in a plastic injection-molding machine, according to which system a molten material is extruded through an injection opening of a rotating die, the injection opening of the die including a groove obliquely with respect to the axis thereof, thereby forming a screw feeder having a shank and a spiral integral lengthwise therewith.
568143
Johnson Douglas S. Q.c.
Moriyama Masao
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