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Class Information
Number: 241/246
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 feed and/or discharge mechanism or control > Axially mounted rotary propeller or screw
Description: Devices in which the feeding mechanism comprises a rotary propeller or screw conveyor mounted axially of the rotary comminuting member.

Sub-classes under this class:

Class Number Class Name Patents
241/247 Horizontal axis 69

Patents under this class:

Patent Number Title Of Patent Date Issued
8573523 Automatic and continuous rubber extracting device for extracting rubber from a rubber-bearing plant material Nov. 5, 2013
8092076 Device for extracting, fragmenting, mixing and homogenizing especially infectious, malodorous, chemically corrosive or sterile substances Jan. 10, 2012
7927006 Device for extracting, fragmenting, mixing and homogenizing especially infectious, malodorous, chemically corrosive or sterile substances Apr. 19, 2011
7896269 Apparatus and method for collecting and crushing seashells on a beach Mar. 1, 2011
7531126 Powder fabricating apparatus May. 12, 2009
6547173 Method and apparatus for removing the husks of oil-bearing seeds Apr. 15, 2003
6299084 Feeding device for fibrous material Oct. 9, 2001
6206309 Method and device for treatment of fibrous material Mar. 27, 2001
6193179 Machine for milling cereals, in particular rice Feb. 27, 2001
5950941 Dissipator for reducing electrostatic charge in fines generated by a coffee grinder Sep. 14, 1999
5797547 Methods and apparatus for delaminating sedimentary mica Aug. 25, 1998
5722604 Metal scrap shredder Mar. 3, 1998
5201474 Coffee grinder Apr. 13, 1993
5172868 Home coffee grinder Dec. 22, 1992
4932595 Size reduction system for plastic articles Jun. 12, 1990
4881862 Screw seal Nov. 21, 1989
4828395 Continuous flow type homogenizer May. 9, 1989
4708489 Blending machine Nov. 24, 1987
4679737 Grinding sub-sampling mill and method for preparation of test sample Jul. 14, 1987
4637555 Circulation type homogenizing apparatus Jan. 20, 1987
4593861 Apparatus for pulping paper making stock at high consistencies Jun. 10, 1986
4563243 Apparatus and a method for producing wood pulp in a hollow cylinder containing a rotatable screw Jan. 7, 1986
4336910 Milling apparatus Jun. 29, 1982
4307846 Continuous flow tissue homogenizer Dec. 29, 1981
4298425 Method and apparatus for refining lignocellulose-containing material to produce fiber pulp Nov. 3, 1981
4290560 Machine for making pure peanut butter Sep. 22, 1981
4261522 Feed and vent apparatus for refiners Apr. 14, 1981
4219166 Disk defibrator Aug. 26, 1980
4199114 Apparatus for producing disintegrated material, preferably pulp Apr. 22, 1980
4059237 System for feeding a double disc refiner Nov. 22, 1977
4037798 Cereal mill Jul. 26, 1977
4034921 Milling apparatus Jul. 12, 1977
4022388 Motorized cereal mill May. 10, 1977
3997120 Mill for grinding vegetable products Dec. 14, 1976
3957214 Refining machine May. 18, 1976
3952958 Grinder apparatus for wheat, grains, and the like Apr. 27, 1976
3933317 Grinding mill Jan. 20, 1976

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