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Class Information
Number: 241/242
Name: Solid material comminution or disintegration > Apparatus > Cooperating comminuting surfaces (e.g., jaw crusher) > Rotary surface (or surfaces) > Circumferential or tangential flow of material (e.g., roll mills or roll and concave mills) > Cooperating non-smooth surface characteristics
Description: Apparatus in which one or both of the cooperating surfaces are not smooth but are provided with cooperating grooves, channels, protuberances or the like.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7427040 |
No-oil shredder and other no-oil machinery |
Sep. 23, 2008 |
| 7357340 |
Destruction method with 45 degree feeding |
Apr. 15, 2008 |
| 7270285 |
Band cutting system |
Sep. 18, 2007 |
| 7267146 |
Chipper bed knife |
Sep. 11, 2007 |
| 7267294 |
Zero-clearance cutting systems |
Sep. 11, 2007 |
| 7213779 |
Rotary grinder apparatus and method |
May. 8, 2007 |
| 7213781 |
Cutterhead |
May. 8, 2007 |
| 7198215 |
Dual product sizing machine |
Apr. 3, 2007 |
| 7175116 |
High-security cutting |
Feb. 13, 2007 |
| 7175119 |
Apparatus and method for shredding wet chip materials |
Feb. 13, 2007 |
| 7168639 |
Method and apparatus for reducing tires |
Jan. 30, 2007 |
| 7124969 |
Cutting device for reducing waste material |
Oct. 24, 2006 |
| 7100852 |
Helical cutting |
Sep. 5, 2006 |
| 7070132 |
Low-speed high-torque chipper-shredder machine |
Jul. 4, 2006 |
| 7028935 |
Apparatus and method for shredding wet chip materials |
Apr. 18, 2006 |
| 7021576 |
Blade mill for grinding plastic material |
Apr. 4, 2006 |
| 7004413 |
Grinder cutter tooth and anvil assembly |
Feb. 28, 2006 |
| 6983904 |
Guillotine shears |
Jan. 10, 2006 |
| 6978956 |
Method and apparatus for granulating plastic |
Dec. 27, 2005 |
| 6938844 |
Zero-clearance cutting systems |
Sep. 6, 2005 |
| 6880774 |
Reducing machine rotor assembly and methods of constructing and operating the same |
Apr. 19, 2005 |
| 6843436 |
Chopper pump |
Jan. 18, 2005 |
| 6745961 |
Colloid mill |
Jun. 8, 2004 |
| 6719225 |
Device and method for pre-disintegrating and cutting into sections fibrous plants and for the separation of fibers and woody parts |
Apr. 13, 2004 |
| 6637687 |
Shearbar for a forage harvester |
Oct. 28, 2003 |
| 6634581 |
Field shredder with a friction base |
Oct. 21, 2003 |
| 6634579 |
Method of and apparatus for sharpening orbiting knives |
Oct. 21, 2003 |
| 6631862 |
Apparatus for beating stalk-, stems-and/or sheet-type regenerative raw materials |
Oct. 14, 2003 |
| 6598814 |
Fiber chopper |
Jul. 29, 2003 |
| 6481650 |
Method and apparatus for crushing waste tires |
Nov. 19, 2002 |
| 6450430 |
Drum chopper |
Sep. 17, 2002 |
| 6415999 |
Cutting mill |
Jul. 9, 2002 |
| 6409111 |
Apparatus for reducing the oversized fraction of chips |
Jun. 25, 2002 |
| 6405949 |
Shuttle granulator |
Jun. 18, 2002 |
| 6293482 |
Method and apparatus for cutting strand |
Sep. 25, 2001 |
| 6290154 |
Strand cutting apparatus |
Sep. 18, 2001 |
| 6209432 |
Method and apparatus for cutting wire |
Apr. 3, 2001 |
| 6203588 |
Method of producing a grinding roll |
Mar. 20, 2001 |
| 6053442 |
High-speed crushing apparatus |
Apr. 25, 2000 |
| 6032884 |
Replaceable shear edge for a star-type feeder |
Mar. 7, 2000 |
| 5996457 |
Apparatus for destruction of tickets and the like |
Dec. 7, 1999 |
| 5947395 |
Materials reducing machine |
Sep. 7, 1999 |
| 5887807 |
Syringe disposal system |
Mar. 30, 1999 |
| 5829700 |
Contrast cutter, particularly for forage shredding machines |
Nov. 3, 1998 |
| 5779167 |
Forage harvester knife and mounting apparatus |
Jul. 14, 1998 |
| 5775608 |
Reversible granulator |
Jul. 7, 1998 |
| 5746377 |
Apparatus for comminuting waste materials |
May. 5, 1998 |
| 5697562 |
Rock crusher |
Dec. 16, 1997 |
| 5657934 |
Granulating device for strand materials |
Aug. 19, 1997 |
| 5634601 |
Granulator for strand materials |
Jun. 3, 1997 |
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