Matches 1 - 50 out of 77 1 2 >


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8017021 Sludge processing apparatus and method  
Material to be processed, such as sludge, is deposited into the trough having an auger operating at a rotational speed and direction so as to force the material received within the trough upstream...
7654478 Trash harvester apparatus and method  
A trash harvester apparatus and method includes a trash grabber. At least one trash shredder for shredding trash from the trash grabber is connected with the trash grabber. A magnetic device for...
7478771 Methods for recrushing rocks and removing fines therefrom  
Crushed rock is produced by passing rocks through an early stage rock crusher. Crushed rocks that exit the early stage rock crusher are passed across a sizing device. Rocks failing to pass...
6793166 Ore comminution process  
The invention provides a method and installation for processing heterogeneous value bearing material by pressure comminution. The material is compressed in a bed of particles, at low pressures and...
6293478 Milling device with double milling passage, apparatus using the device, and method using the device  
Device for milling food products, including two separate milling passages and a sifting member (18, 19) interposed between the two milling passages. The sifting member (18, 19) includes a rotating...
5813324 Needle destruction device  
A needle destruction device has a main frame, a lateral plate, a motor, a motor shaft extending from the motor, a drive gear connected to the motor shaft, a follower gear engaging with the drive...
5799881 Method and system of producing toner  
A toner producing system which can efficiently produce toner having a sharp particle size distribution by suppressing the occurrence of microscopic powders and improve energy efficiency in...
5529248 Method and apparatus for grinding material particles  
A grinding apparatus includes a roller mill in which material particles are pre-ground, a tube mill connected to the roller mill through a fluidized-bed-type classifying device in which the...
5522554 Method and device for preparing plastic waste  
For preparing plastic waste composed of different plastics, possibly combined with other materials, for further processing, for example, as additives for construction. A method of the invention...
5505390 Two stage hammer mill with particle separator  
A two stage hammer mill which reduces recycled glass and its associated contaminants to small glass particles in the 100-800 grit size range and waste. The glass grinder is of light weight, modular...
5497949 Apparatus for reclaiming waste carpeting  
A system for separating and packaging carpet forming fibrous material and backing material from carpet pieces for recycling. The system comprises a shredding apparatus for separating carpet pieces...
5495989 Apparatus for milling clay without substantial generation of powder  
An apparatus and method for crushing clay to reduce the size of the clay to a uniform particle size distribution without generating a substantial percentage of undersized particles. Oversized clay...
5469901 Double action disc hog with chip sizing grate  
A disc hog for reducing timbers to wood chips and shards of a predetermined maximum size comprises a housing defining a disc-shaped interior cavity and a heavy metal disc disposed in the cavity and...
5462234 Grinding plant and method of grinding and classifying brittle material for grinding  
The invention relates to a grinding plant and to a method of grinding and classifying brittle material for grinding, in which two classifiers are used. The finer fraction from the first classifier...
5452860 Material reducing and shredding apparatus  
An apparatus for reducing and separating a mixed makeup of material in which a principal mill for grinding, ripping and tearing the subject material is provided with a magnetic separator for...
5445330 Mobile crushing plant  
A mobile crushing plant is described which was developed for processing concrete or masonry waste and includes a trailer with a primary crusher mounted on the trailer. The crusher has an inlet and...
5285972 Ore processing  
An improved process for the mechanical separation of complex, intergrown ores containing mineral of at least one of lead or zinc comprises a differential flotation process followed by an...
5234171 Installation for crushing used vehicle tires and the like, and for separating the metal parts from the non-metal parts of the crushed material  
An installation for crushing vehicle tires and the like and for separating the metal parts from the nonmetal parts comprises in combination: a first crusher unit (1); a first screening assembly...
5193753 Apparatus for disintegrating flexible packing materials  
An apparatus is described for reprocessing, i.e. disintegrating, used packing materials, for example unsorted domestic waste paper. The apparatus consists essentially of a first comminuting...
5133507 Procedure and apparatus for the sorting of wood chips  
A two-stage procedure is disclosed for sorting wood chips. The chips are directed to a gyratory screen in the first stage and to a disc screen in the second stage. The chip flow is divided in the...
5110056 Method and apparatus for reducing brittle material for subsequent grinding  
The invention relates to a method and a grinding plant for reduction of brittle material for grinding, in which material which has undergone primary reduction from a first grinding stage is...
5096571 Recovery of sulfur from native ores  
A process for recovering elemental sulfur from volcanic and non-volcanic ores is disclosed. Ore is processed by crushing the ore to a coarse particle size autoclaving to separate the sulfur from...
5082188 Apparatus for processing material  
Apparatus is disclosed for reducing the particle size of various materials (e.g., grains, forage materials, fibrous materials, bulk materials, disposed materials, etc.). The apparatus includes a...
5031845 Method and device for the grinding and separating of grain  
A device for grinding and separating grains, in particular for grinding malt, consisting of at least two roll packages (4, 5, 6) in the form of, with respect to their forces, self-contained units...
5025993 System for grinding grain  
A grain grinding system includes a polishing machine for polishing grains, and roll mills and sifters for repeatedly mill and sift the polished grains to provide a flour having a desired mesh size....
4946108 Apparatus for producing compost  
In the case of a composter comprising a drum supported for rotation about a level longitudinal axis thereof, means for driving said drum about said axis, said drum including a peripheral casing...
4923127 Ball tube mill  
A ball tube mill in which an inclined wall dividing a housing of the mill into coarse and fine grinding chambers is fabricated from rigidly interconnected rods forming therebetween through slots...
4891099 Apparatus for secondary fibre processing  
A system of processing baled secondary fibre furnish is provided. The system includes the steps of breaking the baled furnish, dry screening the furnish to remove abrasive contaminants, and then...
4795104 Multi-station meat grinder with bone chip removal means  
A bone chip removal and ground meat separating unit for use with a meat grinding apparatus having at least one further meat processing unit downstream thereof and wherein the grinding apparatus...
4784334 Method and apparatus for breaking into parts of a certain size and screening a bulk material  
A method and an apparatus for breaking into parts of a certain size and screening a bulk material, in which the bulk material is fed onto a flat grid (49) made to vibrate, the type and intensity of...
4728044 Apparatus for the comminution and grinding of brittle grinding stock, particularly of damp initial material  
For reducing the specific energy outlay in the grinding-drying of damp initial material, a circulating grinding system including a comminution machine, particularly an impact hammer, which is...
4726531 Mechanism for the comminution of grinding of brittle grinding stock  
A mechanism and method for the comminuting and grinding of brittle grinding stock including a roll press with the material passed from the roll press to a deagglomeration drum which co-rotates with...
4700900 Two stage refiner  
A paper pulp refiner for refining high consistency stock characterized by two virtually identical refining zones connected in series which have an interstage device to remove excess steam and whose...
4666591 Slag disposal method  
A slag disposal method for disposing of slags produced in furnaces during iron or steel making processes comprises employing the steps of magnetic sorting of masses of crude slags of a size greater...
4598875 Portable crushing and screening plant  
This invention relates to a vehicle-mounted closed circuit portable crushing and screening plant in which a plurality of units for processing material to be crushed, such as a grizzly, a primary...
4592516 Coal breaker and sorter  
A device for breaking coal and for separating predetermined size coal particles and impurities therefrom. A supply of coal containing rock, shale and other impurities is dumped in a hopper through...
4341353 Method and apparatus for recovering fuel and other resources from refuse utilizing disk screens  
Disk screens having various interface opening dimensions are combined with air classifiers and other refuse separating components to separate municipal and industrial refuse into a fuel fraction...
4313574 Apparatus for the activation of cement  
An apparatus for the activation of cement comprises at least one electromagnetic particle size reducer having a common reducer hopper at the inlet ensuring a gravity feeding of cement to the...
4272315 Secondary fiber system  
Waste paper containing materials, e.g. commercial "waste paper", are treated for recovery of reusable paper therefrom by slushing in a pulper from which two fractions are continuously extracted--a...
4231526 Process and apparatus for treating waste paper  
A process and plant for treating waste paper in which a beater is employed for rough-pulping the waste paper followed by a first sorting stage from which the separated-out foreign matter is...
4219381 Method of treating waste paper for obtaining a stock suspension for the production of new paper and apparatus for the performance of the aforesaid method  
A method and apparatus for treating waste paper by pulping or defibering the paper in a stock pulper or slusher while infeeding water, wherein there are removed in succession, externally of the...
4113187 Method and apparatus for drying and grinding  
A drying-grinding apparatus including two types of grinding means, one being arranged to produce a relatively coarse ground product, and the other being arranged to produce a relatively finely...
4089477 Adjustable lifting wall for tube mill  
This invention relates to a lifting wall for incorporation in a tube mill having two support plates divided into segments, intermediately disposed radially adjustable lifting vanes and a central...
4076851 Method and apparatus for producing fine deodorized soybean powder  
A method and apparatus for producing fine deodorized soybean powder in which washed and dyhydrated soybeans are pressed flat to a degree not to remove fat from the vegetable. The pressed soybeans...
3997121 Apparatus for fragmenting automobile tires  
Automobile tires and analogous articles of rubber or synthetic plastic material are frozen to make them brittle, and thereupon are fragmented in order to separate their rubber or synthetic plastic...
3928182 Method and apparatus for classifying viscous slurries  
A method and apparatus for classifying viscous slurries in order to sharply separate fine particles from coarse particles suspended therein. At a first classification stage fine particles are...
3878995 Refuse shredder and classifier  
An improved material shredder and classifier apparatus having a pair of rotatable shredder cylinders for shredding and horizontally projecting material in the direction of capture bins positioned...
3841570 CRUSHING PLANT  
An elongated gravel crushing plant comprising portable lengthwise adjacent first and second reduction sections each having a material receiving and classifying unit at its rear and crushing means...
3814335 VIBRO-GYRATORY MILLS  
Vibro-gyratory mills for grinding or finishing purposes having a process chamber of annular shape in plan with a spiral floor and a separating chamber located beneath the upper end of the floor,...
3776474 CONTROLLED ATMOSPHERE-SOLID WASTE DISPOSAL SYSTEM  
The method of this invention comprises the steps of sorting processable and nonpocessable materials from waste materials, sorting ferrous materials from processable materials, shredding processable...
Matches 1 - 50 out of 77 1 2 >