TWIN SCREW EXTRUDER FOR USE IN MANUFACTURING FIBER-REINFORCED RESIN COMPOSITION AND PROCESS FOR MANUFACTURING FIBER-REINFORCED RESIN COMPOSITION
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United States of America Patent
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Issued Date -
Jul 28, 2016
app pub date -
Aug 15, 2014
filing date -
Aug 23, 2013
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Abstract
A twin screw extruder (10) according to the present invention is a twin screw extruder (10), in which a reinforcing fiber is fed through an input port (18) into a molten thermoplastic resin having been formed in a resin feed part (13) and the reinforcing fiber and the molten thermoplastic resin pass through a kneading part (15) so that a fiber-reinforced resin composition is manufactured, wherein the kneading part (14) is provided at the discharge-side end part of the extruder (10); a conveying part (14) is provided between the input port (18) and the kneading part (15), and tip clearance (Sc) of a screw element (12b) configuring the conveying part (14) is larger than screw clearance (Ss).
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