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Class Information
Number: 241/235
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) > Both cooperating surfaces rotate (e.g., roll mills) > Cooperating non-smooth surface characteristic
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 |
| 7413136 |
Fiber chopper with improved idler roll |
Aug. 19, 2008 |
| RE40442 |
Solid waste comminutor |
Jul. 22, 2008 |
| 7311277 |
Shredder apparatus and shredding method |
Dec. 25, 2007 |
| 7300007 |
Circulating grinding plant comprising a mill and a sifter |
Nov. 27, 2007 |
| 7198215 |
Dual product sizing machine |
Apr. 3, 2007 |
| 7195187 |
Rolling mill system |
Mar. 27, 2007 |
| 7137582 |
Device by ice storage for the discharging of ice |
Nov. 21, 2006 |
| 7128285 |
Disintegrator with rotative disk cutters |
Oct. 31, 2006 |
| 7090158 |
Dual arbor scrap chopper and chopper blade |
Aug. 15, 2006 |
| 7032850 |
Used-can processing system and method |
Apr. 25, 2006 |
| 6793166 |
Ore comminution process |
Sep. 21, 2004 |
| 6742733 |
Disk data destroyer |
Jun. 1, 2004 |
| 6732962 |
Waste treatment apparatus |
May. 11, 2004 |
| 6666393 |
Apparatus for breaking up compacted laundry |
Dec. 23, 2003 |
| 6634577 |
Crusher, process for preparing and testing materials and apparatus therefor |
Oct. 21, 2003 |
| 6619573 |
Chopper for cutting fiber continuously, and method |
Sep. 16, 2003 |
| 6598814 |
Fiber chopper |
Jul. 29, 2003 |
| 6588689 |
Apparatus for crushing material |
Jul. 8, 2003 |
| 6579950 |
Rubber waste disposal apparatus and method of treating rubber waste |
Jun. 17, 2003 |
| 6527211 |
Blade and spring fiber chopper |
Mar. 4, 2003 |
| 6523767 |
Grinding roller and method for the manufacture thereof |
Feb. 25, 2003 |
| 6484954 |
Method and device for surgical bone grinding |
Nov. 26, 2002 |
| 6415998 |
Circuit grinding apparatus with high pressure roller mill and sifter |
Jul. 9, 2002 |
| 6389862 |
Method for debasing coins, devices suitable for carrying out such a method as well as debased coins |
May. 21, 2002 |
| 6357683 |
Roller grinding mill |
Mar. 19, 2002 |
| 6203588 |
Method of producing a grinding roll |
Mar. 20, 2001 |
| 6131837 |
Segmented crop processor roll for forage harvester |
Oct. 17, 2000 |
| 6131635 |
Device for longitudinally splitting pieces of straw into separated strands |
Oct. 17, 2000 |
| 6086003 |
Roll press for crushing abrasive materials |
Jul. 11, 2000 |
| 5967435 |
Chip conditioner drive |
Oct. 19, 1999 |
| 5902685 |
Roll, method of producing a roll as well as material bed roll mill |
May. 11, 1999 |
| 5887807 |
Syringe disposal system |
Mar. 30, 1999 |
| 5865382 |
Protection system for a wood chip destructuring device |
Feb. 2, 1999 |
| 5842507 |
Wood chip optimizer |
Dec. 1, 1998 |
| 5823452 |
Flaker mill |
Oct. 20, 1998 |
| 5813617 |
Dual feed wood chip destructuring device |
Sep. 29, 1998 |
| 5697562 |
Rock crusher |
Dec. 16, 1997 |
| 5673865 |
Waste debarker |
Oct. 7, 1997 |
| 5597125 |
Apparatus for fluffing bales of peat moss and other organic matter |
Jan. 28, 1997 |
| 5595350 |
Comminution device |
Jan. 21, 1997 |
| 5580008 |
Chopper with rotatable cutting tool and stopping body |
Dec. 3, 1996 |
| 5547136 |
Rotary grinding apparatus for recycling waste materials |
Aug. 20, 1996 |
| 5385309 |
Segmented wood chip cracking roll |
Jan. 31, 1995 |
| 5373998 |
Chopping device |
Dec. 20, 1994 |
| 5354004 |
Solid waste comminutor |
Oct. 11, 1994 |
| 5353999 |
Particulate amorphous precipitated silica |
Oct. 11, 1994 |
| 5350126 |
Shredding device for paper web used in the manufacture of cigarettes with filters |
Sep. 27, 1994 |
| 5342582 |
Apparatus for reprocessing special waste |
Aug. 30, 1994 |
| 5320287 |
Paper shredding knife structure for paper shredder |
Jun. 14, 1994 |
| 5312056 |
Roll mill |
May. 17, 1994 |
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