Device and method for melted plastic material supply to a mold cavity

The device for feeding molten plastic material into a molding cavity (30) includes a melting chamber (20) in which metered solid plastic material is introduced, a sonotrode (10) provided for tightly inserting a portion (11) thereof into said melting chamber (20), causing the plastic material to melt...

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Bibliographische Detailangaben
Hauptverfasser: JANER ANGELET, MARCEL, MARFIL ROMERO, JOSÉ ANTONIO, PLANTÀ TORRALBA, FRANCISCO JAVIER
Format: Patent
Sprache:eng ; pol
Schlagworte:
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Beschreibung
Zusammenfassung:The device for feeding molten plastic material into a molding cavity (30) includes a melting chamber (20) in which metered solid plastic material is introduced, a sonotrode (10) provided for tightly inserting a portion (11) thereof into said melting chamber (20), causing the plastic material to melt by means of vibration, and relative movement of the sonotrode (10) and melting chamber (20) allows driving the molten plastic material inside a molding cavity (30) communicated with said melting chamber (20), the device including resistance sensors (40) allowing an electronic control device (50) to know the resistance that the plastic material has against the movement of the sonotrode (10).