PLASTIC EXTRUDING METHOD AND EXTRUDER

PLASTIC EXTRUDING METHOD AND EXTRUDER

PROBLEM TO BE SOLVED: To manufacture a homogeneous plastic product, in case a low bulk density material, such as crushed plastic scraps, crushed organic fibers and waste papers and wood dusts, is used together with an ordinary plastic material (pellets) and these are kneaded, molten and extruded wit...

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1. Verfasser: FUKUHARA NAONARI
Format: Patent
Sprache:eng
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AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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creator FUKUHARA NAONARI
description PROBLEM TO BE SOLVED: To manufacture a homogeneous plastic product, in case a low bulk density material, such as crushed plastic scraps, crushed organic fibers and waste papers and wood dusts, is used together with an ordinary plastic material (pellets) and these are kneaded, molten and extruded with an extruder to produce a plastic product, even if the low bulk density material is directly supplied into the extruder without pelletization. SOLUTION: The plastic pellets and the low bulk density material are supplied into the extrusion cylinder from different material feed throats. The low bulk density material is supplied using the screw feeder 23, the tip of the casing 32 is arranged to the material feed throat of the extrusion cylinder 4, and the material is compressed while being delivered forward with the screw 34 and forced into the grooves of the extrusion screw 34. COPYRIGHT: (C)2009,JPO&INPIT
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SOLUTION: The plastic pellets and the low bulk density material are supplied into the extrusion cylinder from different material feed throats. The low bulk density material is supplied using the screw feeder 23, the tip of the casing 32 is arranged to the material feed throat of the extrusion cylinder 4, and the material is compressed while being delivered forward with the screw 34 and forced into the grooves of the extrusion screw 34. 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subjects AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title PLASTIC EXTRUDING METHOD AND EXTRUDER
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