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Class Information
Number: 241/80
Name: Solid material comminution or disintegration > Apparatus > With separation or classification of material > Separator in discharge from comminuting zone > Oversize return to comminuting zone
Description: Apparatus in which material classified as oversize in the separator is conveyed back to the comminuting zone for retreatment.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7438245 |
Milling and classifying apparatus, collision mill, air classifier, toner, and method for producing toner |
Oct. 21, 2008 |
| 7370820 |
Method and system for harvesting weighting agent fines |
May. 13, 2008 |
| 7300007 |
Circulating grinding plant comprising a mill and a sifter |
Nov. 27, 2007 |
| 7264185 |
Dry grinding system and dry grinding method |
Sep. 4, 2007 |
| 7240867 |
Processing system for manufacturing composite cementitious materials with reduced carbon dioxide emissions |
Jul. 10, 2007 |
| 7083130 |
Dry grinding system and dry grinding method |
Aug. 1, 2006 |
| 7073737 |
Tube grinder and method for comminuting lumpy grinding stock |
Jul. 11, 2006 |
| 6988683 |
Apparatus for crushing glass or ceramic material |
Jan. 24, 2006 |
| 6969017 |
Comminuting apparatus |
Nov. 29, 2005 |
| 6902126 |
Hybrid turbine classifier |
Jun. 7, 2005 |
| 6820829 |
Method and apparatus for separating material |
Nov. 23, 2004 |
| 6789756 |
Vortex mill for controlled milling of particulate solids |
Sep. 14, 2004 |
| 6786437 |
Closed loop cyclonic mill, and method and apparatus for drying and fiberizing material |
Sep. 7, 2004 |
| 6719610 |
Method and device for grinding particulates |
Apr. 13, 2004 |
| 6666394 |
Milling installation |
Dec. 23, 2003 |
| 6644570 |
Downstream pneumatic recirculation comminuting apparatus |
Nov. 11, 2003 |
| 6644573 |
Comminuting apparatus and pneumatic recirculation systems for comminuting apparatus |
Nov. 11, 2003 |
| 6557790 |
Circuit grinding apparatus with high-pressure roller mill and sifter |
May. 6, 2003 |
| 6543709 |
Gravity flow air classifying mill |
Apr. 8, 2003 |
| 6508420 |
Method and device for two-stage classification of granular material |
Jan. 21, 2003 |
| 6491241 |
Device for the dispersal and charging of fluidized powder |
Dec. 10, 2002 |
| 6457659 |
Roller press grinding plant |
Oct. 1, 2002 |
| 6446888 |
Grinding apparatus with vertical static separators |
Sep. 10, 2002 |
| 6443376 |
Apparatus for pulverizing and drying particulate matter |
Sep. 3, 2002 |
| 6439486 |
Method and apparatus for disposing of waste |
Aug. 27, 2002 |
| 6415998 |
Circuit grinding apparatus with high pressure roller mill and sifter |
Jul. 9, 2002 |
| 6415999 |
Cutting mill |
Jul. 9, 2002 |
| 6398139 |
Process for fluidized-bed jet milling, device for carrying out this process and unit with such a device for carrying out this process |
Jun. 4, 2002 |
| 6375103 |
Mill for pulverizing and classifying particulate material |
Apr. 23, 2002 |
| 6357680 |
Self-feeding comminuting apparatus having improved drive motor features |
Mar. 19, 2002 |
| 6193176 |
Cement clinker grinding method using vertical roller mill and apparatus |
Feb. 27, 2001 |
| 6082641 |
Dross processing |
Jul. 4, 2000 |
| 6079647 |
Plant material processing system |
Jun. 27, 2000 |
| 6076753 |
Agitated slurry pump box for oil sand hydrotransport |
Jun. 20, 2000 |
| 6042032 |
Method and apparatus for simultaneously and continuously producing a plurality of size fractions of a mineral material |
Mar. 28, 2000 |
| 6032887 |
Circuit grinding apparatus with high-pressure roll press and sifter |
Mar. 7, 2000 |
| 6019299 |
Cement clinker grinding apparatus using vertical roller mill and its method |
Feb. 1, 2000 |
| 5918823 |
High-pressure roller press for pressure comminution of granular product |
Jul. 6, 1999 |
| 5897063 |
Method of comminuting ore material |
Apr. 27, 1999 |
| 5893523 |
Apparatus for comminuting waste materials having feed roll delivery features |
Apr. 13, 1999 |
| 5873156 |
Coal pulverizer and method of improving flow therein |
Feb. 23, 1999 |
| 5871160 |
Apparatus and associated method for derfibering paper or dry pulp |
Feb. 16, 1999 |
| 5860607 |
Apparatus for comminuting waste materials having screw delivery features |
Jan. 19, 1999 |
| 5836527 |
Apparatus for comminuting solid waste materials |
Nov. 17, 1998 |
| 5799881 |
Method and system of producing toner |
Sep. 1, 1998 |
| 5758832 |
Glass recycling system |
Jun. 2, 1998 |
| 5735472 |
Rotating drum comprising screening and mashing chambers for separating paper fibers and contaminants |
Apr. 7, 1998 |
| 5676317 |
Method and apparatus for combined grinding of at least two materials of differing grindability |
Oct. 14, 1997 |
| 5676318 |
Method of recovering valuable substances from printed circuit board |
Oct. 14, 1997 |
| 5673860 |
Method and apparatus for comminuting moist mineral material |
Oct. 7, 1997 |
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