Invention Grant
- Patent Title: Extrusion granulation method and device, and granulate produced therefrom
- Patent Title (中): 挤出造粒方法和装置，由其制成颗粒
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Application No.: US12516563Application Date: 2007-11-12
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Publication No.: US08147738B2Publication Date: 2012-04-03
- Inventor: Jaroslaw Boczon , Andreas Doll , Sven Fenchel , Brent Allan Culbert , Fernando Eusebio , Franziska Morganti
- Applicant: Jaroslaw Boczon , Andreas Doll , Sven Fenchel , Brent Allan Culbert , Fernando Eusebio , Franziska Morganti
- Agency: Pillsbury Winthrop Shaw Pittman LLP
- Priority: DE102006055914 20061127; DE102007027543 20070615
- International Application: PCT/EP2007/009768 WO 20071112
- International Announcement: WO2008/064768 WO 20080605
- Main IPC: B29B9/06
- IPC: B29B9/06
Abstract:
The invention relates to a method for the production of granulate grains of polymers from thermoplastic polyesters or copolyesters from a polyester melt using an extrusion granulator. The polyester melt is fed to nozzles of the extrusion granulator and then, with draw-in rollers, to the granulation device via an extraction section as extrusions exiting from the nozzle, wherein, e.g., an extrusion extraction speed is set by the draw-in rollers. The invention also relates to an improved extrusion granulator according to the invention having a wave device between the nozzles and the extraction channel, and granulate grains produced according to the method according to the invention.
Public/Granted literature
- US20100133717A1 EXTRUSION GRANULATION METHOD AND DEVICE, AND GRANULATE PRODUCED THEREFROM Public/Granted day:2010-06-03
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