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Class Information
Number: 241/227
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)
Description: Apparatus in which both of the cooperating surfaces rotate.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7195187 |
Rolling mill system |
Mar. 27, 2007 |
| 6588689 |
Apparatus for crushing material |
Jul. 8, 2003 |
| 6565022 |
Apparatus for and method of recycling chopped strand mat edge trim |
May. 20, 2003 |
| 6203588 |
Method of producing a grinding roll |
Mar. 20, 2001 |
| 6149085 |
Housing for a rolling mill |
Nov. 21, 2000 |
| 6032882 |
Method for circulation grinding of brittle grinding stock and grinding apparatus therefor |
Mar. 7, 2000 |
| 5967435 |
Chip conditioner drive |
Oct. 19, 1999 |
| 5697560 |
Fiberglass cutting apparatus and method |
Dec. 16, 1997 |
| 5678777 |
Flour milling machine |
Oct. 21, 1997 |
| 5566902 |
Roll arrangement for a milling machine, and an inter-roll drive therefor |
Oct. 22, 1996 |
| 5542618 |
roller press |
Aug. 6, 1996 |
| 5522557 |
Roll mill |
Jun. 4, 1996 |
| 5433391 |
Cereal milling machine |
Jul. 18, 1995 |
| 5381977 |
Apparatus for material bed comminution of brittle material for grinding |
Jan. 17, 1995 |
| 5368239 |
Roller mill for milling grain products |
Nov. 29, 1994 |
| 5271319 |
Roll press with deaeration apparatus |
Dec. 21, 1993 |
| 5253816 |
Material crushing roller construction |
Oct. 19, 1993 |
| 5244121 |
Dispensing container for multi-component curable compositions having a roller pair for mixing the components |
Sep. 14, 1993 |
| 5088651 |
Roll crusher and crushing method in use for the roll crusher |
Feb. 18, 1992 |
| 4974782 |
Pressure developer and rolls therefor having segments of elastomeric material for control of modulus of elasticity |
Dec. 4, 1990 |
| 4796818 |
Chip slicer improvement |
Jan. 10, 1989 |
| 4784335 |
Finely divided powder and process and apparatus for treating the same |
Nov. 15, 1988 |
| 4683814 |
Apparatus and processes for compressing and/or biodigesting material |
Aug. 4, 1987 |
| 4548064 |
Strip-rolling stand with built-in roll-cutters |
Oct. 22, 1985 |
| 4377260 |
Roller mill drive |
Mar. 22, 1983 |
| 4248388 |
Apparatus for cancelling non-refillable glass bottles |
Feb. 3, 1981 |
| 4193555 |
Roll mill for feeding material to the roll gap |
Mar. 18, 1980 |
| 4192471 |
Crushing apparatus |
Mar. 11, 1980 |
| 4150795 |
Waste food processor |
Apr. 24, 1979 |
| 4131238 |
Ultrasonic grinder |
Dec. 26, 1978 |
| 4124169 |
Document shredder |
Nov. 7, 1978 |
| 4053071 |
Method and apparatus for transporting and processing multiple round bales |
Oct. 11, 1977 |
| 3948448 |
Method for the fine comminution of solid materials with a rolling mill and comminution device for carrying out the method |
Apr. 6, 1976 |
| 3933086 |
Apparatus for separating dried fruit aggregates |
Jan. 20, 1976 |
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