Class 241/228 - Internal comminuting surface

Subclass of Class 241 - Solid material comminution or disintegration
Definition: Apparatus in which one of the cooperating rotary members
No. of patents: 38
Last issue date: 02/06/2007

Number	Title	Issue Date
7171893	Rotary press A rotary press is supported on a frame allowing liquid and solid receivers to be placed underneath the rotary press. The rotary press has an outer ring and an inner drum. The inner drum has an upper and lower flange with a stripper ring retained between these flange...	02/06/2007
7165881	Methods and apparatus for high-shear mixing and reacting of materials Methods and apparatus for high shear reacting and/or mixing of moving fluid streams of materials employ an interdiffusing and reacting zone formed in the space between two stationary surfaces, the surfaces being spaced apart a maximum distance of the sum of the thic...	01/23/2007
7118057	Horizontal roller mill A horizontal roller mill to increase production yield. An example horizontal roller mill includes a cylinder and rollers. Each end of the cylinder includes an end cover, the end cover of one end includes an inlet and an end cover of the other end includes an outlet ...	10/10/2006
7098360	Processes employing multiple successive chemical reaction process steps and apparatus therefore The invention provides processes and apparatus for the production of materials requiring a plurality of chemical reaction steps. In the prior art the number of reaction vessels is minimized by performing two or more reactions together in the same vessel. Instead eac...	08/29/2006
6938687	Apparatus for transfer of heat energy between a body surface and heat transfer fluid In apparatus for heat exchange to and from a body surface using a heat transfer liquid a heat exchanger comprises a plurality of elements within a casing connected axially against one another with spacer tube elements. Each element has its periphery spaced from the ...	09/06/2005
6227470	Ring-roller crusher A grinder constituted by a ring (10) having a horizontal axis, a mechanism for driving the ring in rotation about its axis, at least one roller (16) the axis of which is parallel to that of the ring and which is placed inside the latter so as to be able t...	05/08/2001
6193177	Device form moving forward the substance in a knife hog A grinding apparatus for forward feeding material in a drum in which the grinding apparatus has a circular grinding track therein. The drum is driven in rotation at a speed such that material therein is held on the circular grinding track by centrifugal f...	02/27/2001
6179233	Wet crushing process and crusher for implementing such process A grinder for use in wet grinding having a roller or wheel rolling on a circular track and elastically pressed thereon. The materials to be ground are subjected to several layer on bed grinding operations to enable the rational utilization of this type of...	01/30/2001
6138933	Crushers with ring-shaped track and roller A grinder having an annular track with a horizontal axis (14), a roller (16) capable of travelling over the track, a mechanism for pressing the roller against the track and means (18) for displacing the material from one edge of the track to the other in ...	10/31/2000
6123278	Grinding mill A grinding mill is provided. The mill uses a substantially two-dimensional system for producing gyratory motion in a dish for the purpose of rotating a puck within the dish. The system includes a spin-disk having a circular off-center cavity for holding a...	09/26/2000
5884856	Method and system for reclaiming aggregate from concrete waste material A method and system for reclaiming aggregate from concrete waste material includes crushing step and means of compression-crushing lumps of concrete waste material into a crushed mixture, and sorting the crushed mixture by size thereof, grinding step and ...	03/23/1999
5743475	Tubular mill for grinding natural and synthetic raw materials in particular for the cement industry A tubular mill for grinding natural and synthetic raw materials, in particular for the cement industry, includes a rotary cylindrical drum (11, 111) arranged with its axis (27) horizontal and containing at least one grinding element (25, 34), in which the...	04/28/1998
5733173	Pharmaceutical grinding apparatus and method for using same An apparatus for grinding a solid material into a granulated powder formed of particles of generally uniform size includes: a mounting frame; a grinding vessel mounted on the mounting frame which has a grinding cavity defined by a substantially planar flo...	03/31/1998
5553535	Aluminum beverage can crusher A non-galling, jam resistant aluminum beverage can crusher is disclosed....	09/10/1996
5538191	Methods and apparatus for high-shear material treatment High-shear treated materials are passed through a high-shear treatment zone which allows the coexistence of free supra-Kolmogoroff eddies larger than the smallest possible Kolmogoroff eddy diameter and forced sub-Kolmogoroff eddies smaller than this diame...	07/23/1996
5524840	Milling device The milling device comprises a milling roller running in a milling ring, wherein the diameter of the milling roller is at least equal to the inner radius of the milling ring. The milling roller is driven by a tangential force. By this arrangement it is gu...	06/11/1996
5393000	Crusher with an annular roller track A crusher comprises a cylindrical body, a lining supported by a portion of the cylindrical body and forming an annular track, the supporting cylindrical body portion having a prismatic interior surface, and at least one roller arranged to roll on the annu...	02/28/1995
5373999	Grinding and mixing device A rotary tank supported by a bearing stand on a horizontal shaft in a freely rotatable manner to form a grinding/mixing chamber having an inner wall of modified cross-section such as oval one at the horizontal center axis position is driven by a rotary dr...	12/20/1994
5279463	Methods and apparatus for treating materials in liquids The method for treating materials in liquids involves passing them with the liquid through a processing gap formed by a flow passage whose walls are closely spaced and move relative to one another transversely to the direction of flow, thereby producing "...	01/18/1994
5269471	Pulverizer A plurality of recesses, each having a semicircular section, are formed close to each other in the inner surface of a cylindrical housing so that these recesses extend parallel to the axis of the housing. The inner surface of the housing, a portion of a c...	12/14/1993
5205494	Grinding process and mill for carrying out this process The purpose of the invention is a process and a machine for the fine grinding of materials such as cement clinker. To improve the energy efficiency of the operation, by performing a systematic grinding, without resorting to excessively high pressures or e...	04/27/1993
5148997	Slag crushing device In a slag crushing device according to the present invention, a cylindrical body having a slag insertion port in its one end and a discharge port in the other end is rotatably provided around a shaft center so inclined that the position of the discharge p...	09/22/1992
5095815	Scraping device for can crushing apparatus A device is provided for releasing cans clinging to an outer wall surface of a crushing roller and/or an inner wall surface of a tubular drum in a can crushing apparatus. To remove cans adhered to the roller, a scraping mechanism is adjustably mounted on ...	03/17/1992
4807819	Process and apparatus for granulating powdery materials Finely divided powdery materials such as, e.g., precipitated silica are granulated by means of two rolls, one of which has a filter surface and the other has a profiled covering, in which the shafts of these rolls are arranged vertically one above the oth...	02/28/1989
4807818	Mill for grinding granular material A conical grinding member (2) is caused to move over a grinding surface (1) and material deposited on the surface is ground by a crushing and shearing action. The mill finds particular application in the grinding of grain....	02/28/1989
4697320	Roll for a rolling mill, method of producing the same and the rolling mill incorporating the roll A method of producing a long-life roll for a rolling mill manufacturing a rolled sheet having brightness. At least the surface of the roll barrel is made of steel containing carbide, the average grain size of which is not greater than 0.6 μm, and the are...	10/06/1987
4623096	Process and equipment for cutting material A process and an equipment for cutting material comprehends the surrounding at least of one, however preferably of several round knives along the inner wall of a drum. The adjacent round knives have a predetermined uniform axial distance as well as angula...	11/18/1986
4573405	Can crushing machine A can crushing apparatus has an outer, bottomless drum housing, which is tubular and mounted on rollers to be freely rotatable, and a central inner roller which is mounted on the interior of the tubular drum, is urged against one side wall of the drum, an...	03/04/1986
4545541	Multiple roll roller mill A multiple-roll roller mill, useful in particular for livestock feed processing, is disclosed. The mill includes a main roller and at least two secondary rollers, each secondary roller opposing a different axial portion of the main roller circumference an...	10/08/1985
4527748	Tubular mill for grinding natural and synthetic raw materials, particularly for the cement industry The invention relates to a tubular mill for grinding natural and synthetic raw materials, in particular for the cement industry, comprising a horizontally-disposed rotary cylindrical drum, characterized by comprising one or more fixed grinding rollers dis...	07/09/1985
4448357	Rotary macerator An improved macerator adapted to shred crop material and having an annular perforated die ring and a roller operative within the die ring to extrude crop material through the perforations as the die ring and roller are power-rotated. The roller is journal...	05/15/1984
4444100	Can crushing machine An apparatus for crushing cans inserted into an opening in the housing thereof. The cans are crushed between a rotary drum and a roller rotatably mounted within the drum. A slide guide means directs the cans into the nip between the roller and drum. Crush...	04/24/1984
4379526	Ore mill and metal separating device A drum is supported for rotation between two shafts having gears thereon engaging a ring gear around the outer periphery of the drum. A crushing and milling cylinder is journalled for rotation upon a vertically adjustable shaft extending freely through th...	04/12/1983
4276701	Apparatus for the drying of wet, pasty and/or fusible materials A drier, especially for viscous materials, comprises a double-wall cylindrical vessel which is heated and to which the material to be dried is fed at one end with the dried material being removed at the opposite end. A drying gas inlet is connected to the...	07/07/1981
4265408	Sorting machine A classifying and sorting machine for refuse particles, particularly household refuse and other refuse having a composition resembling household refuse, has a rotatable screen drum the diameter of which is within the range of 1:1-1:2 relative to its axial...	05/05/1981
4185786	Rotary extrusion apparatus Apparatus carried on a self-propelled vehicle field processes alfalfa to obtain therefrom fiber and protein components and a deproteinized liquid component which is simultaneously applied on the field as the vehicle advances. A specially-designed macerato...	01/29/1980
4154407	Reducing drum for the extraction of cellulosic matters A device for extracting cellulosic and similar materials such as rags, plastics, light metals and wood, which includes a drum which is driven in a first direction at a first speed and a rotor inside of the drum which is driven in a direction opposite to t...	05/15/1979
4109448	Method and apparatus for in-field processing of vegetation Apparatus carried on a self-propelled vehicle field processes alfalfa to obtain therefrom fiber and protein components and a deproteinized liquid component which is simultaneously applied on the field as the vehicle advances. The apparatus includes a harv...	08/29/1978

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Class 241/228 - Internal comminuting surface