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Class Information
Number: 241/228
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) > Internal comminuting surface
Description: Apparatus in which one of the cooperating rotary members presents an internal annular comminuting surface to the other rotary surface for cooperation therewith.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7171893 |
Rotary press |
Feb. 6, 2007 |
| 7118057 |
Horizontal roller mill |
Oct. 10, 2006 |
| 6227470 |
Ring-roller crusher |
May. 8, 2001 |
| 6193177 |
Device form moving forward the substance in a knife hog |
Feb. 27, 2001 |
| 6179233 |
Wet crushing process and crusher for implementing such process |
Jan. 30, 2001 |
| 6138933 |
Crushers with ring-shaped track and roller |
Oct. 31, 2000 |
| 6123278 |
Grinding mill |
Sep. 26, 2000 |
| 5884856 |
Method and system for reclaiming aggregate from concrete waste material |
Mar. 23, 1999 |
| 5743475 |
Tubular mill for grinding natural and synthetic raw materials in particular for the cement industry |
Apr. 28, 1998 |
| 5733173 |
Pharmaceutical grinding apparatus and method for using same |
Mar. 31, 1998 |
| 5553535 |
Aluminum beverage can crusher |
Sep. 10, 1996 |
| 5538191 |
Methods and apparatus for high-shear material treatment |
Jul. 23, 1996 |
| 5524840 |
Milling device |
Jun. 11, 1996 |
| 5393000 |
Crusher with an annular roller track |
Feb. 28, 1995 |
| 5373999 |
Grinding and mixing device |
Dec. 20, 1994 |
| 5279463 |
Methods and apparatus for treating materials in liquids |
Jan. 18, 1994 |
| 5269471 |
Pulverizer |
Dec. 14, 1993 |
| 5205494 |
Grinding process and mill for carrying out this process |
Apr. 27, 1993 |
| 5148997 |
Slag crushing device |
Sep. 22, 1992 |
| 5095815 |
Scraping device for can crushing apparatus |
Mar. 17, 1992 |
| 4807819 |
Process and apparatus for granulating powdery materials |
Feb. 28, 1989 |
| 4807818 |
Mill for grinding granular material |
Feb. 28, 1989 |
| 4697320 |
Roll for a rolling mill, method of producing the same and the rolling mill incorporating the roll |
Oct. 6, 1987 |
| 4623096 |
Process and equipment for cutting material |
Nov. 18, 1986 |
| 4573405 |
Can crushing machine |
Mar. 4, 1986 |
| 4545541 |
Multiple roll roller mill |
Oct. 8, 1985 |
| 4527748 |
Tubular mill for grinding natural and synthetic raw materials, particularly for the cement industry |
Jul. 9, 1985 |
| 4448357 |
Rotary macerator |
May. 15, 1984 |
| 4444100 |
Can crushing machine |
Apr. 24, 1984 |
| 4379526 |
Ore mill and metal separating device |
Apr. 12, 1983 |
| 4276701 |
Apparatus for the drying of wet, pasty and/or fusible materials |
Jul. 7, 1981 |
| 4265408 |
Sorting machine |
May. 5, 1981 |
| 4185786 |
Rotary extrusion apparatus |
Jan. 29, 1980 |
| 4154407 |
Reducing drum for the extraction of cellulosic matters |
May. 15, 1979 |
| 4109448 |
Method and apparatus for in-field processing of vegetation |
Aug. 29, 1978 |
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