An apparatus for injection molding of semi-finished in an injection mold

2004 
An apparatus for injection molding semi-finished products (4) with plastic melt into an injection mold (1, 2), with at least one injection nozzle (9, 12) for injecting the plastic melt into the injection mold (1, 2), characterized in that the injection nozzle a first nozzle (9) as well as in the interior of the first nozzle (9) arranged, second nozzle (12), in that the melt channels (16, 19) of the two nozzles (9, 12) facing at a distance from a cavity (3) nozzle openings are fluidically connected to one another, in particular through openings (17, 18) in said second nozzle (12), and that the second nozzle (12) from the nozzle orifice of the first nozzle (9) out is movable, in particular between a rear, retracted, position and a forward extended position, or that the second nozzle (12) protrudes by a fixed, predetermined distance from the nozzle orifice of the first nozzle (9).
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