Device and process for injection molding of hollow plastic parts

Device and process for injection molding of hollow plastic parts

Device and process for injection molding of molded parts made from plastic material having at least one cavity, which has means for injecting plastic melt into the cavity of an injection-molding die along a melt flow path and means for injecting a fluid into the still molten plastic material, wherei...

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Hauptverfasser: Eckardt, Helmut, Steen, Stephan, Wulfrath, Marc, Schwesinger, Rolf, Bielich, Norbert
Format: Patent
Sprache:eng
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creator Eckardt, Helmut
Steen, Stephan
Wulfrath, Marc
Schwesinger, Rolf
Bielich, Norbert
description Device and process for injection molding of molded parts made from plastic material having at least one cavity, which has means for injecting plastic melt into the cavity of an injection-molding die along a melt flow path and means for injecting a fluid into the still molten plastic material, wherein the means for injecting a fluid are designed in order to inject a liquid at preset pressure and preset quantity. Provision is made in that the means for injecting a liquid includes a first part element, which is arranged centrally and remote from the injection-molding die and supplies at least one injection-molding die, and includes at least one second part element, which is arranged in the immediate vicinity of the injection-molding die, and a third part element, which is arranged locally on the injection-molding die at least during injection of the liquid.
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title Device and process for injection molding of hollow plastic parts
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