APPARATUS FOR PRODUCING INJECTION-MOLDED PARTS
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United States of America Patent
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app pub date -
Feb 27, 2007
filing date -
Aug 27, 2004
priority date (Note) -
Abandoned
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Abstract
Apparatus for producing injection-molded parts, particularly PET preforms, includes a twin-screw extruder or multi-screw extruder for preparing and/or plasticizing material, preferably in granular form, which is transferred to a transfer reservoir. A piston unit further processes the material. The extruder has a plurality of processing zones, whereby at least two process zones are configured as degassing zones.
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