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Class Information
Number: 366/76.3
Name: Agitating > Rubber or heavy plastic working > With specified feed means > Screw feeder distinct from agitator
Description: Subject matter wherein the means for conveying or admitting material is a continuous helical blade which is rotated about its longitudinal axis and is clearly distinguishable in function and structure from the agitator in the mixing chamber

Sub-classes under this class:

Class Number Class Name Patents
366/76.4 Plural screws 25

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8206027 Use of an apparatus for adding at least one additive to a reactor interior Jun. 26, 2012
8042680 Releasable coupling Oct. 25, 2011
7896638 Mixing and pulverizing device, melting method for mixing, and method of molding cellulose material impregnated with binder Mar. 1, 2011
7842221 Process and apparatus for the production of filled thermoplastic polymers Nov. 30, 2010
7837378 Mixer-extruder assembly Nov. 23, 2010
7531126 Powder fabricating apparatus May. 12, 2009
7284897 Extruder for continuously working and/or processing flowable materials Oct. 23, 2007
7244060 Kneading apparatus Jul. 17, 2007
7040797 Method of producing composition comprising thermoplastic resin and rubber May. 9, 2006
7040798 Ring extruder feed May. 9, 2006
6994540 Injection molding system and pellet feeding unit Feb. 7, 2006
6945687 Mixing apparatus having a cooled connector Sep. 20, 2005
6719448 Method and apparatus for the simultaneous production of differently characterized extrudates Apr. 13, 2004
6709146 Thermokinetic mixer and method of using Mar. 23, 2004
6638051 Extrusion molding machine for producing ceramic molding Oct. 28, 2003
6299340 Feeding apparatus and method in spiral engagement of extruder Oct. 9, 2001
6280074 Continuous mixer Aug. 28, 2001
6254374 System for producing polymeric film Jul. 3, 2001
6190031 Machine for continuous processing of flowable materials having a housing jacket divided into long and short segments Feb. 20, 2001
6168306 Adapter member for connecting extruders Jan. 2, 2001
5980098 Extrusion system and process for minimizing color change times in extrusion of thermoplastics Nov. 9, 1999
5800055 Temperature control system and kneading-mixing extrusion apparatus having the temperature control system Sep. 1, 1998
5653534 Screw apparatus and method for supplying reinforcing fiber-containing molten resin using the apparatus Aug. 5, 1997
5639159 Apparatus for mixing, kneading and extruding material Jun. 17, 1997
5577839 Device for charging injection molding and extruding machines and having a funnel provided with pins passing through clearances in a feed worm Nov. 26, 1996
5332308 Process and apparatus for production of plastics containing additives Jul. 26, 1994
5324107 Control method, monitoring method, and control device for kneader Jun. 28, 1994
5297865 Method and apparatus for the mixing of mixing material with thermoplastic material Mar. 29, 1994
5286121 Automatic device for making flour strap Feb. 15, 1994
5261743 Apparatus and methods for feeding a substantially uniform quantity of a mixture of materials having variable individual densities Nov. 16, 1993
5259749 Apparatus for feeding synthetic resin material to injection molding and extruder units Nov. 9, 1993
4937034 Apparatus and method for cofeeding additives with polymer flake Jun. 26, 1990
4907891 Feed device for a continuous feed mixer Mar. 13, 1990
4640622 Dispersion of dry polymers into water Feb. 3, 1987
4632564 Apparatus for removing moisture and volatiles from molding particulate plastic material feed Dec. 30, 1986
4616989 Apparatus for the incorporation of glass fibers into thermoplastic synthetic resins Oct. 14, 1986
4577971 Blending rubber for retreading Mar. 25, 1986
4460277 Apparatus for processing synthetic thermoplastic material Jul. 17, 1984
4448537 Screw-type hydro-extracting extruder May. 15, 1984
4426018 Method and apparatus for recycling scrap Jan. 17, 1984
4413913 Method for processing plastic and polymeric materials Nov. 8, 1983
4408887 Continuous kneader Oct. 11, 1983
4383765 Resonantly-powered plasticizer May. 17, 1983
4334784 Method for processing thermoplastics or thermosetting plastics Jun. 15, 1982
4303344 Extruders for thermoplastics material Dec. 1, 1981
4289407 Method for binding liquid-containing radioactive wastes and kneading machine therefor Sep. 15, 1981
4214862 Screw extruder for the continuous extrusion of thermoplastic materials Jul. 29, 1980
4169679 Apparatus for the extrusion of cellular thermoplastic material Oct. 2, 1979
4168943 Arrangement for feeding elastomeric particles into an extruder Sep. 25, 1979
4134687 Control of plastic injection Jan. 16, 1979

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