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Class Information
Number: 241/251
Name: Solid material comminution or disintegration > Apparatus > Cooperating comminuting surfaces (e.g., jaw crusher) > Rotary surface (or surfaces) > Axial or radial flow of material (e.g., disc mill, or cone and shell mill) > With moving cooperating surface > Both cooperating surfaces rotate
Description: Devices in which both cooperating surfaces have a rotary motion.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7278592 |
Processing apparatus and method for fluid, and deaerator therewith |
Oct. 9, 2007 |
| 7131604 |
Processing apparatus and method for fluid, and deaerator therewith |
Nov. 7, 2006 |
| 5794865 |
Rotary crusher/reclaimer for reclaiming and reclassifying sand and related aggregates from lump materials |
Aug. 18, 1998 |
| 4874136 |
Pulp refining apparatus |
Oct. 17, 1989 |
| 4688732 |
Refiner with improved bearing retainer construction |
Aug. 25, 1987 |
| 4635864 |
Refiner disc segment |
Jan. 13, 1987 |
| 4632317 |
Method and device for disintegrating coarse material |
Dec. 30, 1986 |
| 4520963 |
Process and equipment for continuous cutting of material |
Jun. 4, 1985 |
| 4378092 |
Method and apparatus for grinding pulp stock in pulp defibrating apparatus of the double rotating disc type |
Mar. 29, 1983 |
| 4339084 |
Pulp refining apparatus with adjustable treating gap |
Jul. 13, 1982 |
| 4301974 |
Refining apparatus |
Nov. 24, 1981 |
| 4283016 |
Method and apparatus for controlling the effect of the centrifugal force on the stock in pulp defibrating apparatus |
Aug. 11, 1981 |
| 4283016 |
Method and apparatus for controlling the effect of the centrifugal force on the stock in pulp defibrating apparatus |
Aug. 11, 1981 |
| 4223847 |
Coaxial feeder |
Sep. 23, 1980 |
| 4221343 |
Vented disc refiner |
Sep. 9, 1980 |
| 4219166 |
Disk defibrator |
Aug. 26, 1980 |
| 4218024 |
Adjusting device for the cutting blades of a cutting tool |
Aug. 19, 1980 |
| 4191338 |
Infeed disc for disc-type refiners |
Mar. 4, 1980 |
| 4167250 |
Sequential velocity disk refiner |
Sep. 11, 1979 |
| 4132366 |
Infeed tube for disc refiners |
Jan. 2, 1979 |
| 4129263 |
Device for refining fibrous material |
Dec. 12, 1978 |
| 4088528 |
Method and apparatus for grinding chips into paper pulp |
May. 9, 1978 |
| 3977611 |
Apparatus for refining fiber material |
Aug. 31, 1976 |
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