Injection-molding nozzle system, injection-molding tool and...

Details Injection-molding nozzle system, injection-molding tool and... Injection-molding nozzle system, injection-molding tool and...

B - Operations, Transporting

29

C

B29C 45/20 (2006.01) B29C 45/28 (2006.01)

Patent

CA 2432270

The present invention relates to an injection-molding nozzle system for injection- molding systems for plastic materials which is equipped with a needle sealing system and is suitable both for different cavities as well as for plastic materials of different viscosities, with the injection-molding nozzle comprising a temperable nozzle body with nozzle tip comprising an outlet opening anal an inlet opening for the plastic mass, as well as a needle which is arranged in the nozzle body and is displaceable in an axially longitudinal manner and with an actuating apparatus for actuating the needle which is axially displaceable in the nozzle body in the longitudinal direction. The opening stroke of the needle which is axially displaceable in the longitudinal direction can be adjusted by way of a stroke limiter, and the needle tip comprises at least one notch for the pass-through of the injection-molding mass in its transitional region to the needle shaft, The needle shaft is thereby in continual contact with a needle guide region of the nozzle tip.

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