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Browse by Category: Main > Material Science
Class Information
Number: 425/208
Name: Plastic article or earthenware shaping or treating: apparatus > With separate and distinct upstream agitating or kneading means > Within pressurizing chamber > By modified screw helix
Description: Apparatus wherein the agitating or kneading means comprises a rotatable shaft and a vane attached thereto, which vane continuously rotates around the shaft while advancing axially along the shaft.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8636497 Extruder screw for a screw extruder Jan. 28, 2014
8556621 Extrusion blow molding apparatus for preparing polyester articles Oct. 15, 2013
8403554 Screw for extruder, bearing segment used in the same and twin screw extruder provided with screw for extruder Mar. 26, 2013
8287268 Distiller grain pellet production devices Oct. 16, 2012
8267149 Screw design and method for metal injection molding Sep. 18, 2012
8192193 Molding material feed screw used in a molding material supply device of an injection molding machine Jun. 5, 2012
8133048 Method and blank for producing a screw-tube conveyor and screw-tube conveyor produced in this way Mar. 13, 2012
8105067 Method and apparatus for casting concrete products Jan. 31, 2012
8070350 Clay extruder Dec. 6, 2011
7993122 Device for improved reinforcing element with a continuous center core member with very long fiber reinforced thermoplastic wrapping Aug. 9, 2011
7975833 Material handling system and method Jul. 12, 2011
7918662 Integrated apparatus having kneading part and injecting part Apr. 5, 2011
7866876 Device for degassing and filtering plastic melts Jan. 11, 2011
7811075 Screw for extruder and method of manufacturing the extruder, and rubber member for tire and method of manufacturing the rubber member Oct. 12, 2010
7785094 High capacity extrusion die assembly Aug. 31, 2010
7771111 Liquid phase reactor Aug. 10, 2010
7654813 High capacity extrusion die assembly Feb. 2, 2010
7654812 High capacity extrusion die assembly Feb. 2, 2010
7648357 Extruder Jan. 19, 2010
7629435 Method for producing masticated rubber Dec. 8, 2009
7611347 Extrusion die assembly for high density products Nov. 3, 2009
7556419 Machine for mixing and extruding rubber-based and silicone-based plastic materials and method therefor Jul. 7, 2009
7476096 Screw extruder Jan. 13, 2009
7469629 Homogenizing mixer Dec. 30, 2008
7445442 Artificial firelog and firestarter chip producing apparatus and method and products produced therefrom Nov. 4, 2008
7390118 Extruder assembly Jun. 24, 2008
7384256 Screw feeder for roller compactor machine Jun. 10, 2008
7328652 Apparatus and system for dispensing dough Feb. 12, 2008
7318713 Polymer processing systems including screws Jan. 15, 2008
7296920 Mixer for a plasticizing screw Nov. 20, 2007
7293982 Device for producing physically expanded structural foams during an injection molding process involving the use of dynamic mixing elements Nov. 13, 2007
7267534 Methods for manufacturing foam material including systems with pressure restriction element Sep. 11, 2007
7264757 Controllable microscopic bubble nucleation in fluid polymer material production method and its apparatus Sep. 4, 2007
7172333 Injection molding screw Feb. 6, 2007
7150615 Molding machine for injection foaming Dec. 19, 2006
7101165 Extrusion molding apparatus for ceramic molded product Sep. 5, 2006
7101166 Apparatus for extruding ceramic molding Sep. 5, 2006
7097443 Extruder transition section Aug. 29, 2006
7097442 Extruder Aug. 29, 2006
7097438 Foaming agent charging and mixing device Aug. 29, 2006
7083403 Apparatus for supplying a resin material to an injection molding machine Aug. 1, 2006
7029263 Injection molding device with intermediate storage space Apr. 18, 2006
7025491 Homogenizing and/or dispersing device comprising endless screws Apr. 11, 2006
7014447 Extruder for welding plastic components Mar. 21, 2006
7008202 Method and apparatus for forming thermoplastic resin foam Mar. 7, 2006
6958128 Dynamic mixer screw tip Oct. 25, 2005
6949208 Injection molding process and injection molding apparatus for thermoplastic resin molded articles Sep. 27, 2005
6929763 Injection molding method Aug. 16, 2005
6854873 Extruder for processing rubber mixtures Feb. 15, 2005
6852260 Process for preparing cleansing bars having well-defined platelet striations therein Feb. 8, 2005

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