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Class Information
Number: 241/261.1
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 > Conoidal surface
Description: Apparatus wherein one surface member is circular in a cross section taken perpendicular to the longitudinal axis and convergent in a cross section taken parallel to such axis.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7451946 |
Refining element |
Nov. 18, 2008 |
| 7252033 |
Automatic coffee maker |
Aug. 7, 2007 |
| 7195186 |
Wear protection for a rock crushing system |
Mar. 27, 2007 |
| 7188792 |
Refiner rotor assembly with a hub having flow-through ports |
Mar. 13, 2007 |
| 7124970 |
Method and apparatus for processing various materials |
Oct. 24, 2006 |
| 7108210 |
Comminuting machine |
Sep. 19, 2006 |
| 7108207 |
Process and apparatus for comminuting particle rubber |
Sep. 19, 2006 |
| 7000858 |
Apparatus for producing fine powder |
Feb. 21, 2006 |
| 6969019 |
Refiner and agitating apparatus for papermaking |
Nov. 29, 2005 |
| 6883737 |
Device for processing materials |
Apr. 26, 2005 |
| 6824089 |
Wood collection and reducing machine |
Nov. 30, 2004 |
| 6811106 |
Refiner |
Nov. 2, 2004 |
| 6637686 |
Refiner |
Oct. 28, 2003 |
| 6587803 |
Refiner measurement system and method |
Jul. 1, 2003 |
| 6565023 |
Apparatus for comminuting, grinding and dispersing flowable grinding stock |
May. 20, 2003 |
| 6565027 |
Refiner |
May. 20, 2003 |
| 6471149 |
Gap mill |
Oct. 29, 2002 |
| 6450429 |
Method and apparatus for treating waste material |
Sep. 17, 2002 |
| 6402069 |
Comminution machine with an emulsifier |
Jun. 11, 2002 |
| 6394374 |
Disintegrating and grain-regulating device for granules |
May. 28, 2002 |
| 6328465 |
Vertical feed mixer with auger having center post with sloped top |
Dec. 11, 2001 |
| 6314381 |
Refiner measurement system and method |
Nov. 6, 2001 |
| 6305626 |
Colloid mill |
Oct. 23, 2001 |
| 6302342 |
Pulper cone assembly for handling slabs of reel broke baled pulp and the like |
Oct. 16, 2001 |
| 6193179 |
Machine for milling cereals, in particular rice |
Feb. 27, 2001 |
| 6138933 |
Crushers with ring-shaped track and roller |
Oct. 31, 2000 |
| 6058833 |
Automatic grater for producing food paste |
May. 9, 2000 |
| 5836530 |
Paper manufacture conical-type pulp refiners improvements |
Nov. 17, 1998 |
| 5794865 |
Rotary crusher/reclaimer for reclaiming and reclassifying sand and related aggregates from lump materials |
Aug. 18, 1998 |
| 5785261 |
Device for reducing the size of steel or metal chips |
Jul. 28, 1998 |
| 5779168 |
Refiner and tooling for refining suspended fibrous material |
Jul. 14, 1998 |
| 5769335 |
Method and apparatus for shear pulverization of polymer materials |
Jun. 23, 1998 |
| 5761993 |
Juice-extractor also serving as a grinder |
Jun. 9, 1998 |
| 5687922 |
Pulverizer |
Nov. 18, 1997 |
| 5613430 |
Grinder-type juicer |
Mar. 25, 1997 |
| 5542616 |
Grain-de-acidizing process mill |
Aug. 6, 1996 |
| 5538191 |
Methods and apparatus for high-shear material treatment |
Jul. 23, 1996 |
| 5522559 |
Rubber crumbing apparatus |
Jun. 4, 1996 |
| 5520344 |
Apparatus for the comminution of suspended fibre material |
May. 28, 1996 |
| 5445328 |
Dual zone refiner with separated discharge flow control |
Aug. 29, 1995 |
| 5383608 |
Twin conical refiner with dual ribbon feeders |
Jan. 24, 1995 |
| 5354005 |
Grinding equipment for a Jordan refiner |
Oct. 11, 1994 |
| 5323971 |
Pulverizing, separating, and size regulating molded resin articles |
Jun. 28, 1994 |
| 5289981 |
Continuous dispersing apparatus |
Mar. 1, 1994 |
| 5289980 |
Glass vessel crusher |
Mar. 1, 1994 |
| 5279463 |
Methods and apparatus for treating materials in liquids |
Jan. 18, 1994 |
| 5269471 |
Pulverizer |
Dec. 14, 1993 |
| 5240321 |
Vertical screw mixer |
Aug. 31, 1993 |
| 5228629 |
Grinding element for drum refiner |
Jul. 20, 1993 |
| 5195684 |
Screenless disk mill |
Mar. 23, 1993 |
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