Pressure injection machine and method

Details Pressure injection machine and method Pressure injection machine and method

B - Operations, Transporting

29

F

18/697

B29F 1/00 (1980.01)

Patent

CA 1039018

PRESSURE INJECTION MACHINE AND METHOD Abstract of the Disclosure A plastic injection machine injects at an initial higher pressure, with the opening of the injection nozzle valve being delayed to allow injection pressure to build up. When the mold is filled, the pressure applied by the machine is shifted to a low holding pressure which is maintained until the plastic begins to set up. A shouldered bronze thrust bearing transmits the high pressure from the hydraulic injection cylinders to the injection machine screw. -1-

190560

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