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Class Information
Number: 241/231
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) > Adjustably or yieldably mounted rotary surface > Hydraulic or pneumatic mounting and/or axially yieldable or adjustable
Description: Apparatus in which (1) the adjusting or yielding means comprises hydraulic or pneumatic pressure devices and/or (2) one or both of the rotary surfaces is adjustable or yieldable in the direction of its axis of rotation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6520439 |
Flaker mill having high efficiency drive |
Feb. 18, 2003 |
| 6349890 |
Flaker mill having high efficiency drive |
Feb. 26, 2002 |
| 5722605 |
Roll crusher |
Mar. 3, 1998 |
| 5673864 |
Cereal milling machine |
Oct. 7, 1997 |
| 5597128 |
Machine for destructuring wood chips |
Jan. 28, 1997 |
| 5595350 |
Comminution device |
Jan. 21, 1997 |
| 5522557 |
Roll mill |
Jun. 4, 1996 |
| 5485965 |
Automatic product feed and method for controlling a milling roller mill |
Jan. 23, 1996 |
| 5470024 |
Hand-operated utensil for crushing granular foods |
Nov. 28, 1995 |
| 5361995 |
Automatic product feed and method for controlling a milling roller mill |
Nov. 8, 1994 |
| 5205494 |
Grinding process and mill for carrying out this process |
Apr. 27, 1993 |
| 5060874 |
Crusher |
Oct. 29, 1991 |
| 5050808 |
Milling apparatus and system therefor |
Sep. 24, 1991 |
| 4973001 |
Material bed roller mill |
Nov. 27, 1990 |
| 4925115 |
Sugar cane mill |
May. 15, 1990 |
| 4880172 |
Roller mill |
Nov. 14, 1989 |
| 4779807 |
Apparatus and method for selecting between multiple feed material processing operations |
Oct. 25, 1988 |
| 4746070 |
Roll refiner and method for operating same |
May. 24, 1988 |
| 4635861 |
Roller mill |
Jan. 13, 1987 |
| 4295614 |
Pneumatically operated grain handling apparatus |
Oct. 20, 1981 |
| 4220288 |
Mill roller controlling apparatus |
Sep. 2, 1980 |
| 4192471 |
Crushing apparatus |
Mar. 11, 1980 |
| 4187991 |
Unloading |
Feb. 12, 1980 |
| 4154408 |
Flaking mill adjustment and shock absorbing means |
May. 15, 1979 |
| 4074866 |
Releasable compression device for use with a crushing mill or the like |
Feb. 21, 1978 |
| 3984151 |
Rock crusher |
Oct. 5, 1976 |
| 3970256 |
Grinding mill |
Jul. 20, 1976 |
| 3938732 |
Adjustment means for roll crushers with gas hydraulic springs |
Feb. 17, 1976 |
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