| Patents for B02C 4 - Crushing or disintegrating by roller mills (5,528) |
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| 06/18/1991 | CA1284976C Method and apparatus for the two-stage crushing of brittle material for grinding |
| 06/18/1991 | CA1284975C Method and apparatus for the two-stage crushing of brittle material for grinding |
| 06/13/1991 | DE3940463A1 Grinding rollers gap control - by directing flow of material to narrowest region of gap |
| 06/05/1991 | EP0429658A1 Roll machine for milling |
| 05/28/1991 | US5019253 Apparatus for collecting and discharging waste material |
| 05/28/1991 | US5018960 Flaking roll apparatus |
| 05/22/1991 | EP0428183A2 Apparatus for milling and separating kernels |
| 05/15/1991 | CN2076873U Roll transmission mechanism of pulverizer |
| 05/08/1991 | EP0425626A1 Roller mill device. |
| 05/02/1991 | WO1991005624A1 Compression rollers with movable shoulder shields |
| 04/17/1991 | CN2075107U Rotating bearing devece for roller body of roller type pulveriser |
| 04/10/1991 | CN2074863U Dual-roll crashing sludge-removing machine |
| 04/09/1991 | US5005775 Two roller machine, particularly a roll type crusher |
| 04/09/1991 | US5005614 Machine for crushing material |
| 03/28/1991 | DE3931028A1 Roll press with roll gap - has underlying wedge plate powered by vibrator to crush lumps issuing from gap |
| 03/28/1991 | DE3930773A1 Roll crusher with movable bearing - uses switching valves to interconnect cylinder space diagonally for immediate bearing yield |
| 03/27/1991 | EP0418550A1 Machine and segment for compacting and/or crushing of bulk goods |
| 03/27/1991 | EP0418497A1 Wear-resistant surface coating for rollers of roller mills, especially high pressure roller mills |
| 03/19/1991 | US5000392 Grinding roller |
| 03/07/1991 | DE3929371A1 Crushing mill with two horizontal crusher rollers - has rotating hopper to distribute incoming material |
| 02/28/1991 | DE3928020A1 Energy saving mfr. of fine particle cement quicklime - pre-granulation produces 20-40 per cent of final product size which is combined with recirculating stream of milled powder |
| 02/27/1991 | EP0413923A1 Mill |
| 02/26/1991 | CA1280733C Method and apparatus for the crushing of material for comminution |
| 02/05/1991 | US4989305 Sugar cane mill roller |
| 01/31/1991 | DE3925204A1 Roller crusher gearing mounting - has force restraint at the torque supports to prevent overload |
| 01/30/1991 | CN2070198U Automatic roll mill device |
| 01/29/1991 | CA1279628C Screening device for comminuter for solid material |
| 01/24/1991 | DE4019240A1 Mill for grinding malted barley in beer prodn. - controls quality of milled grain by regulating grain flow into mill to keep power consumption of mill motor constant |
| 01/23/1991 | EP0408589A1 Mobile or stationary disintegrating plant for minerals, in particular for lump-size material |
| 01/17/1991 | DE3922638A1 Twin-roller press esp. for granular material milling - has controller which reduces hydraulic cylinder pressure at end of sliding roller where gap is insufficient |
| 01/16/1991 | EP0407678A1 Feeder for a crusher |
| 01/16/1991 | CN2069302U Speed control mechanism |
| 01/16/1991 | CN2069301U Grain mill brush |
| 01/09/1991 | CN2068861U Combined crushing and screening equipment |
| 01/02/1991 | EP0405636A1 A household machine for grinding seeds, grains and the like |
| 01/02/1991 | EP0405518A2 Milling surfaces for roller mills |
| 01/02/1991 | EP0405102A1 Process and apparatus for comminution of matter |
| 12/27/1990 | EP0404656A1 Mineral fine-pulverising method and pulveriser for carrying out this method |
| 12/27/1990 | EP0403694A2 Continuous crusher |
| 12/26/1990 | CN2068009U Roller compaction machine |
| 12/19/1990 | EP0402435A1 Abrasion-resistant steel cladding for the roller surfaces of roller machines, in particular high-pressure roller presses |
| 11/29/1990 | WO1990014165A1 Roller mill device |
| 11/28/1990 | EP0399192A1 Roller mill, especially for pressure milling of granular material |
| 11/28/1990 | EP0399128A1 Hopper |
| 11/28/1990 | EP0399058A1 Mill as well as process for covering a milling tool |
| 11/27/1990 | US4973484 Roller mill grain preheating |
| 11/27/1990 | US4973001 Material bed roller mill |
| 11/23/1990 | WO1990014164A1 Roll machine for milling |
| 11/23/1990 | CA2033055A1 Flour roll mill |
| 11/20/1990 | US4971260 Clay crushing machine |
| 11/14/1990 | EP0396897A2 Crushing roll |
| 10/31/1990 | CN1010180B Apparatus and method for removing crushing rolls from a crushing apparatus |
| 10/24/1990 | CN2064439U Driving unit of synchronism belt wheel for hydraulic pulverizer |
| 10/10/1990 | CN2063447U Mixed type disintegrator |
| 10/09/1990 | US4961261 Roll for mill and method of making a roll for a mill |
| 10/02/1990 | US4960461 Method and installation for extracting gold from gold ore |
| 09/27/1990 | DE3908752A1 Installation for disintegrating or grinding brittle products |
| 09/26/1990 | CN1045533A Method and apparatus for pulverising |
| 09/12/1990 | EP0386520A2 Material bed roller mill |
| 08/30/1990 | DE3906295A1 Method and high-pressure grinding mill for crushing brittle material to be ground |
| 08/29/1990 | CN2061106U Convex grinding device for grinding roller body |
| 08/28/1990 | US4951494 Compression rollers with movable shoulder shields |
| 08/22/1990 | EP0383004A1 Rollers for high-pressure roller presses |
| 08/22/1990 | CN2060690U A pair of rollers with coating |
| 08/10/1990 | WO1990009241A1 Device for crushing pills and the like |
| 08/10/1990 | CA2046644A1 Device for crushing pills and the like |
| 08/09/1990 | WO1990008593A1 Method and apparatus for making polycrystaline flakes of magnetic materials having strong grain orientation |
| 08/01/1990 | EP0380055A1 Nut grinding machine |
| 08/01/1990 | CN1044237A Structure of rubber lining board and its assembly for holeless cylinder of grinder |
| 07/26/1990 | DE3901436A1 Method and installation for comminuting or milling moist materials and their drying in a hot gas flow |
| 07/11/1990 | CN2059104U Crushing roll with several crushing plate |
| 07/05/1990 | DE3843173A1 Verschleissfeste oberflaechenpanzerung fuer die walzen von walzenmaschinen, insbesondere hochdruck-walzenpressen Wear-oberflaechenpanzerung for the rolling of rolling machines, especially high-pressure roller press |
| 07/04/1990 | CN2058864U Mill roller assembly |
| 07/04/1990 | CN1043451A Process for use in flour milling |
| 06/28/1990 | WO1990006811A1 Abrasion-resistant steel cladding for the roller surfaces of roller machines, in particular high-pressure roller presses |
| 06/20/1990 | EP0373274A1 Process for use in flour milling |
| 06/20/1990 | CN2058347U Flour processing equipment without concentrating wind net |
| 06/19/1990 | US4934613 Apparatus for crushing brittle material for grinding |
| 06/14/1990 | WO1990006178A1 Non-wearing covering for the bearing surfaces of roller presses and a process for applying the covering |
| 06/13/1990 | EP0271828B1 Roller mill and method for feeding granular material |
| 06/07/1990 | DE3840696A1 Verschleissfeste panzerung der walzenstirnseiten von walzenpressen und verfahren zum aufbringen der panzerung Wear-resistant armor of the roller end faces of roller presses and proceed to apply the armor |
| 06/06/1990 | CN2057861U Rotary crusher with auxiliary crushing cavity |
| 06/06/1990 | CN2057860U Single-roll crusher of changable tooth angle |
| 05/22/1990 | CA1269355A1 System for recovery of salvageable ferrous and non- ferrous metal components from incinerated waste materials |
| 05/10/1990 | DE3934047A1 Chocolate conching mixer - with drive motor speed control by power output parameter of motor |
| 05/02/1990 | EP0366030A2 Flaking press |
| 04/26/1990 | DE3836322A1 Crushing rolls |
| 04/18/1990 | CN2056092U Roller of pulverizer |
| 04/12/1990 | DE3834425A1 Two-roller machine, in particular roller press for pressure-treatment of granular material |
| 04/11/1990 | EP0172831B1 Method and apparatus for fragmenting asphalt |
| 04/10/1990 | US4915311 Roller mill |
| 04/05/1990 | DE3833614A1 Roller mill |
| 04/04/1990 | EP0361172A1 Wear-resistant roller coating for roller crushers, and method for building up said coating |
| 03/15/1990 | DE3830959A1 Apparatus for driving at least one device for comminuting cereals and oil seeds |
| 03/14/1990 | EP0357762A1 Process and device for guiding and separating grains. |
| 03/08/1990 | DE3828976A1 Apparatus for placing granular material in a spiral conveyor or the like |
| 03/06/1990 | US4906419 Process for the production of oxide-ceramic materials |
| 03/06/1990 | US4905919 Crusher with rotating crusher bodies |
| 03/06/1990 | US4905917 Roll mill and method for feeding particulate material |
| 03/06/1990 | US4905910 Double roll machine such as, for example, a roll press |