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Class Information
Number: 425/200
Name: Plastic article or earthenware shaping or treating: apparatus > With separate and distinct upstream agitating or kneading means
Description: Apparatus including means ahead of a former for agitation, mixing, blending or kneading material to be shaped.

Sub-classes under this class:

Class Number Class Name Patents
425/209 Agitator or kneader comprises means rotating about a horizontal axis 205
425/201 Mixing roll type (e.g., rubber mills, etc.) 16
425/204 Plural means being diverse, or parallel and intermeshing or concentric 298
425/205 Serially arranged chambers each housing a kneading or mixing means 220
425/202 With cutting, severing or comminuting means 115
425/203 With separate and distinct gas withdrawal chamber 195
425/206 Within or at forming means 55
425/207 Within pressurizing chamber 148

Patents under this class:
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Patent Number Title Of Patent Date Issued
8337756 Solidification processing method and solidification processing apparatus Dec. 25, 2012
8303284 Apparatus for producing porous body and method for producing porous body Nov. 6, 2012
7862322 Resin infusion between double flexible tooling system Jan. 4, 2011
7841849 Dry material transport and extrusion Nov. 30, 2010
7758330 Method and apparatus for forming a ready-to bake, endless dough ring and method for the manufacture of a baked ring article from such a pre-formed dough ring Jul. 20, 2010
7569173 Method and device for transforming crystalline or semicrystalline polymers Aug. 4, 2009
7318717 Method and apparatus for forming fiber reinforced composite parts Jan. 15, 2008
7097442 Extruder Aug. 29, 2006
6969247 Injection molding unit with a device for mixing and metering plastic melt and additives Nov. 29, 2005
6726355 Self-cleaning mix head having a longitudinal mixer for a molding system Apr. 27, 2004
6692669 Methods and apparatus for recycling asphalt shingle material into composite board products Feb. 17, 2004
6543618 Process to recover raw rubber compound from semi-finished, reinforced, technical rubber products, especially hoses, before cross-linking, and equipment therefor Apr. 8, 2003
6525126 Method for producing reinforced thermoplastic resin composition and melt-kneading apparatus Feb. 25, 2003
6306322 Method and device for filling casting molds with casting resin Oct. 23, 2001
6302677 Apparatus for continuously molding chocolate products Oct. 16, 2001
6143214 Mixing and dispensing system for rapidly polymerizing materials Nov. 7, 2000
6136246 Screw extruder with improved dispersive mixing elements Oct. 24, 2000
6080346 Extrusion apparatus and method and extruded thermoplastic polymer Jun. 27, 2000
5935618 Apparatus for manufacturing molded materials solidified by sulfur Aug. 10, 1999
5932159 Screw extruder with improved dispersive mixing Aug. 3, 1999
5851562 Instant mixer spin pack Dec. 22, 1998
5837295 Scraper blades for extruder Nov. 17, 1998
5811048 Process of and apparatus for homogenizing a flow stream Sep. 22, 1998
5700885 Single screw method and apparatus Dec. 23, 1997
5679381 Systems for manufacturing sheets from hydraulically settable compositions Oct. 21, 1997
5637331 Spin system for thermoplastic yarns Jun. 10, 1997
5585122 Apparatus for converting raw materials into a molded end product Dec. 17, 1996
5545029 Equipment for filling one or more casting molds with castable, liquid materials Aug. 13, 1996
5536517 Multidie positive displacement metering apparatus and process Jul. 16, 1996
5498151 Mixing head for molding machine Mar. 12, 1996
5453249 Apparatus for producing a flowable reaction mixture from at least two flowable reaction components Sep. 26, 1995
5445513 Apparatus for enhancing concentration Aug. 29, 1995
5413473 Mechanism for mounting and dismounting mixer in an automatic noodle making machine May. 9, 1995
5318431 Process and apparatus for preparing toner particles Jun. 7, 1994
5306132 Process and apparatus for degassing plastic melt in a screw extruder Apr. 26, 1994
5275545 Vacuum cast molding apparatus Jan. 4, 1994
5266261 Process and apparatus for the production of molded articles from hot-setting plastics of several components by low-pressure casting Nov. 30, 1993
5264261 Fibre reinforced polymer compositions and process and apparatus for production thereof Nov. 23, 1993
5234324 Extruder for highly foamed plastic material having a reduced diameter mixing space for introducing an inert foaming agent Aug. 10, 1993
5200205 Extruder barrel temperature regulation apparatus Apr. 6, 1993
5185162 Corrosion and wear resistant bimetallic cylinder Feb. 9, 1993
5158782 Noodle making machine Oct. 27, 1992
5156860 Apparatus for manufacturing an optical disk substrate by injection molding Oct. 20, 1992
5147660 Device for filling molds with a casting resin and the like Sep. 15, 1992
5114331 Apparatus of shrinking volumes of waste foamed plastics May. 19, 1992
5093058 Apparatus and method of manufacturing synthetic boards Mar. 3, 1992
5074774 Weight scaling material supplying apparatus for a powder molding machine Dec. 24, 1991
H980 Two-stage, single-unit, and energy-efficient granulator dryer Nov. 5, 1991
5035593 Pressurized slurry casting machine for producing ceramic articles Jul. 30, 1991
4941748 Extruder with ceramic processing unit Jul. 17, 1990

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