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Class Information
Number: 366/85
Name: Agitating > Rubber or heavy plastic working > Stirrer is through-pass screw conveyor > Plural screw conveyors on separate shafts > In parallel intercommunicating mixing chambers > Screw conveyors intermeshing
Description: Subject matter wherein one of said conveyors has a profile which contacts a mating surface of parallel screw conveyor along the length thereof.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
6447156 Mixing element for screws and an extruder comprising the mixing element Sep. 10, 2002
6402360 Internal batch mixing machines and rotors Jun. 11, 2002
6382826 Compact extruder with multiple parallel screws having a variable pitch arrangement May. 7, 2002
6302572 Back vented barrel for an extruding assembly Oct. 16, 2001
6299340 Feeding apparatus and method in spiral engagement of extruder Oct. 9, 2001
6287470 Two-step method for dehydrating plastic dispersions Sep. 11, 2001
6227693 Multi-shaft screw machine with stop assemblies for individually setting the positions of the screw elements May. 8, 2001
6196711 Machine for continuous processing of flowable materials Mar. 6, 2001
6190031 Machine for continuous processing of flowable materials having a housing jacket divided into long and short segments Feb. 20, 2001
6179460 Twin screw extruder with single-flight kneading disks Jan. 30, 2001
6180685 Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state shear pulverization Jan. 30, 2001
6170975 Multi-shaft extruder kneading discs, kneading disc blocks and extruder Jan. 9, 2001
6165399 Process for producing thermoplastics Dec. 26, 2000
6136246 Screw extruder with improved dispersive mixing elements Oct. 24, 2000
6116770 Mixing element for screw extruder Sep. 12, 2000
6116771 Multi-shaft extruder screw bushing and extruder Sep. 12, 2000
6106142 Pressure variable, multiscrew, continuous mixing machine for plasticizable compounds with variable height backfeed threads Aug. 22, 2000
6068466 Twin type continuous kneading extruder May. 30, 2000
6062719 High efficiency extruder May. 16, 2000
6048088 Multi-shaft screw-type extruder, in particular twin-shaft extruder Apr. 11, 2000
6024479 Screw extruder mechanism, in particular twin-screw extruder mechanism, for the processing of strongly outgassing materials Feb. 15, 2000
6022133 Multiple-screw extruder Feb. 8, 2000
6017996 Method for the continuous manufacturing of silicone rubber composition Jan. 25, 2000
RE36390 Device for cooling of fluids and edible foams Nov. 16, 1999
5962036 Twin screw extruder with high-speed bearing support Oct. 5, 1999
5947593 Twin-screw kneading apparatus Sep. 7, 1999
5942170 Process of and apparatus for preparing thermosetting polymer pellets Aug. 24, 1999
5932159 Screw extruder with improved dispersive mixing Aug. 3, 1999
5911929 Method and an apparatus for producing web-shaped plastic foil Jun. 15, 1999
5863117 Method for continuously mixing polymer materials and machine for implementing the method Jan. 26, 1999
5851065 Apparatus for recycling resin scrap Dec. 22, 1998
5842782 Screw conveyor-type delivery and mixing device for plastics injecting molding machine Dec. 1, 1998
5814673 Reconstituted polymeric materials derived from post-consumer waste, industrial scrap and virgin resins made by solid state pulverization Sep. 29, 1998
5814282 High surface intermeshing profile reactor Sep. 29, 1998
5797677 Screw-type extruding machine having a screw element defining a groove with an expansion region at each end thereof Aug. 25, 1998
5752770 Barrel for a twin screw extruder with an abrasion resistant layer May. 19, 1998
5750158 Preheating apparatus for an extruder May. 12, 1998
5743471 Solid state shear extrusion pulverization Apr. 28, 1998
5727876 Polymer mixing apparatus Mar. 17, 1998
5713209 Twin screw extruder for batch freezing Feb. 3, 1998
5651944 Apparatus for degassing thermoplastic synthetic plastics material Jul. 29, 1997
5650107 Method for dewatering a molten synthetic resin Jul. 22, 1997
5626806 Carbon black incorporation in polymeric material May. 6, 1997
5603564 Housing for twin worm-gear press with internal insert to reduce wear of housing Feb. 18, 1997
5603565 Multi-shaft worm machine having uniformly twisting and countertwisting worm elements Feb. 18, 1997
5593227 Twin-shaft screw-type extruding machine having mixing elements with wings Jan. 14, 1997
5573332 Screw element for a screw-like extrusion machine Nov. 12, 1996
5527106 Retruder Jun. 18, 1996
5525649 Magnetic paint and process for producing the same Jun. 11, 1996
5516205 Twin extruder May. 14, 1996

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