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Class Information
Number: 241/261.2
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)
Description: Apparatus provided with circular plates facing each other with their centers in alignment.

Sub-classes under this class:

Class Number Class Name Patents
241/261.3 Having plural angularly related land and groove 139

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8671546 Method of mounting a refiner plate segment Mar. 18, 2014
8573523 Automatic and continuous rubber extracting device for extracting rubber from a rubber-bearing plant material Nov. 5, 2013
8573521 Refiner plates having steam channels and method for extracting backflow steam from a disk refiner Nov. 5, 2013
8474739 Refining surface for a refiner Jul. 2, 2013
8398009 Blade made of steel alloy Mar. 19, 2013
8282031 Disc mill assembly for a pulverizing apparatus Oct. 9, 2012
8272586 Method for detecting the amount of grains within a grinding device Sep. 25, 2012
8113455 Device for grinding input material Feb. 14, 2012
8061643 Refiner plate fixtures for quick replacement, and methods and assemblies therefor Nov. 22, 2011
8020797 Device for aligning the refining disc of a refining apparatus Sep. 20, 2011
7984867 Device for aligning the refining disc of a refining apparatus Jul. 26, 2011
7984868 Adjustable grinder Jul. 26, 2011
7934672 Refiner blade and segment, as well as a method of forming them and a method of modifying blade grooves May. 3, 2011
7922111 Refining apparatus of disc-type Apr. 12, 2011
7913942 Refiner Mar. 29, 2011
7874505 Food grinder with electronically adjustable grind settings, tooless disassembly Jan. 25, 2011
7845583 Method and a device for controlling the alignment between refining surfaces Dec. 7, 2010
7823822 System and method to align refiner plates during installation on a disc Nov. 2, 2010
7726596 Refiner with spiral inlet and dual tangential discharge outlet Jun. 1, 2010
7699255 Disc mill assembly for pulverizing system Apr. 20, 2010
7694902 Self-aligning and actively compensating refiner stator plate system Apr. 13, 2010
7520460 Refiner disk sensor and sensor refiner disk Apr. 21, 2009
7514025 Method for producing a fibrous material Apr. 7, 2009
7407123 Refiner plates with logarithmic spiral bars Aug. 5, 2008
7398938 Conical refiner plates with logarithmic spiral type bars Jul. 15, 2008
7386919 Textile recycling apparatus Jun. 17, 2008
7384010 Process for producing crushed product, apparatus therefor and crushed product Jun. 10, 2008
7364100 Apparatus for comminuting material with a separate air supply Apr. 29, 2008
7354011 Refining element Apr. 8, 2008
7350728 Refining plate attached to a head in a pulp refiner Apr. 1, 2008
7309036 Refining member clash control method Dec. 18, 2007
7252033 Automatic coffee maker Aug. 7, 2007
RE39688 Tangential discharge disk refiner Jun. 12, 2007
7198216 Refining element Apr. 3, 2007
7188792 Refiner rotor assembly with a hub having flow-through ports Mar. 13, 2007
7182285 Tire rubber granulator Feb. 27, 2007
7152823 Disc mill assembly for pulverizing system Dec. 26, 2006
7134621 Mixing apparatus Nov. 14, 2006
7128286 Double disk refiner, stock inducer therefor and method of refining low consistency stock Oct. 31, 2006
7104480 Refiner sensor and coupling arrangement Sep. 12, 2006
7070135 Chipping apparatus with eccentric chipping tools Jul. 4, 2006
7007879 Pair of opposed co-operating refining elements Mar. 7, 2006
6989074 Paper pulp refiner control system and method using active hydrostatic bearings Jan. 24, 2006
6969019 Refiner and agitating apparatus for papermaking Nov. 29, 2005
6957785 Refining segment for a rotatable refining disc, and a refining apparatus comprising a refining disc with such refining segment Oct. 25, 2005
6955309 Method of diagnosing and controlling a grinding mill for paper and the like Oct. 18, 2005
6910651 Material crusher Jun. 28, 2005
6892973 Refiner disk sensor and sensor refiner disk May. 17, 2005
6840470 Refiner force sensor Jan. 11, 2005
6811106 Refiner Nov. 2, 2004

1 2 3 4

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