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Class Information
Number: 425/207
Name: Plastic article or earthenware shaping or treating: apparatus > With separate and distinct upstream agitating or kneading means > Within pressurizing chamber
Description: Apparatus wherein the agitating or kneading means is within a receptacle or housing in which the pressure is increased.

Sub-classes under this class:

Class Number Class Name Patents
425/208 By modified screw helix 423

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8496463 Extruder feed section with pivotable feed roll assembly Jul. 30, 2013
8118582 Method and apparatus for producing biobased carriers from byproducts of biomass processing Feb. 21, 2012
8043549 Injection apparatus Oct. 25, 2011
7998514 Pasta, pastry, cookie, and hors d'oeuvre maker Aug. 16, 2011
7993554 Method for the manufacture of a molding composition Aug. 9, 2011
7975833 Material handling system and method Jul. 12, 2011
7629435 Method for producing masticated rubber Dec. 8, 2009
7264757 Controllable microscopic bubble nucleation in fluid polymer material production method and its apparatus Sep. 4, 2007
7160099 Leakage-free feed roll assembly for an extruder machine Jan. 9, 2007
7153120 Pasta, pastry, cookie, and hors d'oeuvre maker Dec. 26, 2006
7021205 Production line for bread preforms Apr. 4, 2006
6997694 Extruder Feb. 14, 2006
6949208 Injection molding process and injection molding apparatus for thermoplastic resin molded articles Sep. 27, 2005
6893151 Device for conveying elastomeric media, use of the device, as well as two operating methods May. 17, 2005
6881049 Process for producing polybutadiene golf ball cores Apr. 19, 2005
6808375 Expanded porous thermoplastic polymer membranes and device for the production thereof Oct. 26, 2004
6773739 Method and apparatus for extrusion of food products including back pressure valve/diverter Aug. 10, 2004
6743007 Pasta, pastry, cookie, and hors d'oeuvre maker Jun. 1, 2004
6733704 Thermoplastic resin injection molding machine May. 11, 2004
6502977 Extruder plant with worm extruder and gearwheel extruder Jan. 7, 2003
6488490 Thermoplastic resin injection molding machine with the injecting unit including a rotary pump and torque limiter Dec. 3, 2002
6345976 Injection apparatus Feb. 12, 2002
6325612 Vibration applying apparatus for an injection molding machine Dec. 4, 2001
6280074 Continuous mixer Aug. 28, 2001
6211331 Polymer devolatilization apparatus Apr. 3, 2001
6203747 Resonating injection molding machine and process for its operation Mar. 20, 2001
6190601 Method for controlling a screw injecting apparatus and the screw injecting apparatus Feb. 20, 2001
6187229 Process for injection molding information recording disks Feb. 13, 2001
6079866 Mixing apparatus for mixing thermosetting and thermoplastic resin blends prior to molding Jun. 27, 2000
6074578 Barrel wall conduit arrangements for a plastic processing screw machine Jun. 13, 2000
5997934 Manufacture of cooked cereals Dec. 7, 1999
5985200 Injection molding of asphalt-based compositions Nov. 16, 1999
5980797 Apparatus and method for molding polyester articles having low acetaldehyde content directly from the melt formation using flash tank devoltatilization Nov. 9, 1999
5968429 Apparatus and method for molding of polyester articles directly from a melt Oct. 19, 1999
5951928 Polymer's electromagnetic dynamic injection molding method and the apparatus therefor Sep. 14, 1999
5931086 Apparatus for the assembly of sandwich products Aug. 3, 1999
5928678 Mash feed conditioning apparatus Jul. 27, 1999
5863485 Injection molding machine employing a flow path gear pump and method of use Jan. 26, 1999
5837295 Scraper blades for extruder Nov. 17, 1998
5816700 Process and apparatus for mechanically mixing polymers and lower viscosity fluids Oct. 6, 1998
5783226 Extruder device Jul. 21, 1998
5773042 Injection molding unit for long fiber-reinforced thermoplastic resin Jun. 30, 1998
5674004 Device and method for supplying fluid materials Oct. 7, 1997
5660864 Apparatus for introducing injection material into a mold Aug. 26, 1997
5562931 Injection molding apparatus Oct. 8, 1996
5498151 Mixing head for molding machine Mar. 12, 1996
5486102 High intensity pellet machine Jan. 23, 1996
5456870 Barrel temperature state controller for injection molding machine Oct. 10, 1995
5453249 Apparatus for producing a flowable reaction mixture from at least two flowable reaction components Sep. 26, 1995
5443854 Dough treating and dispensing method and apparatus Aug. 22, 1995

1 2 3

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