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Class Information
Number: 241/261.3
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) > Cooperating non-smooth surface characteristics > Opposed, flat coaxial surfaces (e.g., disk mill) > Having plural angularly related land and groove
Description: Apparatus provided with ribs or channels which intersect each other, or which would intersect within the confines of the surface if extended.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7451946 |
Refining element |
Nov. 18, 2008 |
| 7445174 |
Refining element |
Nov. 4, 2008 |
| 7419112 |
Refining surface and a blade segment for a refiner |
Sep. 2, 2008 |
| 7347392 |
Refiners and methods of refining pulp |
Mar. 25, 2008 |
| 7322539 |
Refining surface for a refiner for defibering material containing lignocellulose |
Jan. 29, 2008 |
| 7300550 |
High intensity refiner plate with inner fiberizing zone |
Nov. 27, 2007 |
| 7300540 |
Energy efficient TMP refining of destructured chips |
Nov. 27, 2007 |
| 7300008 |
Tooth refiner plates with varying feeding angles and refining method |
Nov. 27, 2007 |
| RE39688 |
Tangential discharge disk refiner |
Jun. 12, 2007 |
| 7191967 |
Refiner |
Mar. 20, 2007 |
| 7188792 |
Refiner rotor assembly with a hub having flow-through ports |
Mar. 13, 2007 |
| 7172148 |
Grooved pyramid disperger plate |
Feb. 6, 2007 |
| 7070135 |
Chipping apparatus with eccentric chipping tools |
Jul. 4, 2006 |
| 6989074 |
Paper pulp refiner control system and method using active hydrostatic bearings |
Jan. 24, 2006 |
| 6935589 |
Papermaking refiner plates and method of manufacture |
Aug. 30, 2005 |
| 6926216 |
Material crusher |
Aug. 9, 2005 |
| 6915711 |
Method and means for measuring stress forces in refiners |
Jul. 12, 2005 |
| 6634583 |
Process and device for the dispersion of a fibrous paper material |
Oct. 21, 2003 |
| 6616078 |
Refiner plate with chip conditioning inlet |
Sep. 9, 2003 |
| 6607153 |
Refiner plate steam management system |
Aug. 19, 2003 |
| 6592062 |
Refining element |
Jul. 15, 2003 |
| 6572040 |
Coal grinding, cleaning and drying processor |
Jun. 3, 2003 |
| 6502774 |
Refiner disk sensor and sensor refiner disk |
Jan. 7, 2003 |
| 6422496 |
Refiner for refining a fiber suspension |
Jul. 23, 2002 |
| 6402067 |
Refiner for fibrous material |
Jun. 11, 2002 |
| 6402071 |
Refiner plates with injector inlet |
Jun. 11, 2002 |
| 6325308 |
Refiner disc and method |
Dec. 4, 2001 |
| 6311907 |
Refiner plate with chicanes |
Nov. 6, 2001 |
| 6286771 |
Two-stage micronizer for reducing oversize particles |
Sep. 11, 2001 |
| 6276622 |
Refining disc for disc refiners |
Aug. 21, 2001 |
| 6227467 |
Fuels blending system |
May. 8, 2001 |
| 6206309 |
Method and device for treatment of fibrous material |
Mar. 27, 2001 |
| 6053440 |
Tangential discharge disk refiner |
Apr. 25, 2000 |
| 6042036 |
Refining element |
Mar. 28, 2000 |
| 6032888 |
Refiner plate with interspersed surface and subsurface dams |
Mar. 7, 2000 |
| 6024308 |
Conically tapered disc-shaped comminution element for a disc refiner |
Feb. 15, 2000 |
| 5979809 |
Refiner disc removal method and device |
Nov. 9, 1999 |
| 5975440 |
Mixing |
Nov. 2, 1999 |
| 5971307 |
Rotary grinder |
Oct. 26, 1999 |
| 5944271 |
High consistency damless refiner plate for wood fibers |
Aug. 31, 1999 |
| 5904308 |
Device and treatment machine for the mechanical treatment of high-consistency fibrous material |
May. 18, 1999 |
| 5893525 |
Refiner plate with variable pitch |
Apr. 13, 1999 |
| 5875982 |
Refiner having center ring with replaceable vanes |
Mar. 2, 1999 |
| 5823453 |
Refiner disc with curved refiner bars |
Oct. 20, 1998 |
| 5747707 |
Measuring device for refiners |
May. 5, 1998 |
| 5740972 |
Papermaking refiner plates |
Apr. 21, 1998 |
| 5727743 |
Device and treatment machine for the mechanical treatment of high-consistency fibrous material |
Mar. 17, 1998 |
| 5707016 |
Apparatus and methods for wet grinding |
Jan. 13, 1998 |
| 5704559 |
Refining element |
Jan. 6, 1998 |
| 5695136 |
Refining element |
Dec. 9, 1997 |
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