Process and device for the production of injected moldings...

Details Process and device for the production of injected moldings... Process and device for the production of injected moldings...

B - Operations, Transporting

29

C

B29C 45/73 (2006.01) B29C 45/02 (2006.01) B29C 45/27 (2006.01) B29C 45/54 (2006.01)

Patent

CA 2212599

In a process for the simultaneous manufacturing of a plurality of injection-molded micro parts from thermoplastic or cross-linking polymers in an injection molding tool, an injection device is provided which has injection cylinders, injection pistons and temperable antechambers. The plastic melt coming from a conveyor worm, by way of temperable sprues, first arrives in the antechambers and, in a second step, is supplied by the injection pistons by way of the injection nozzles to the mold cavities. The mold cavities are filled independently of one another. The co-solidifying runners are eliminated, and it is possible to manufacture particularly small parts with a low injection volume at particularly reasonable cost.

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