Abstract: The present invention 10 discloses a trash and garbage processing device which may be sized to fit into a kitchen of a home or sized to be used in a multi-family dwelling. The present invention 10 has a plurality of sorting compartments 12 disposed on the top thereof for receiving various types of waste products. There is a compartment for shrinking and palletizing plastics, another compartment for shredding paper and cardboard 58, another compartment for perishable organic waste 48, a crushing compartment for crushing cans and glass/plastic products 54 and a disposal compartment 60 for non-degradable, solid waste such as bones and batteries. After the various types of waste materials are processed, they are transferred to a conduit to a recycling bin 32 for temporary storage and then thereafter removed from the recycling bin and transferred for final disposal.

Abstract: A process of both milling and drying a solvent-moist material (e.g., water-moist methylhydroxyethylcellulose) is described. The process includes, (a) providing a mill-dryer (100) which includes, in series, a heat exchanger (1), a mill (2) and a particulate separating apparatus (105) connected by conduits (8), (9) and (11, 12), which together define a mill-dryer circuit (103). The mill-dryer (100) also includes a bypass conduit (14), which provides optionally at least partial gaseous bypass of the heat exchanger (1). The process further includes: (b) introducing the solvent-moist material into the mill (2); (c) circulating a vapor stream (e.g.

Abstract: An apparatus for comminuting waste of synthetic plastic material has a housing (1) in which at least one rotor (2) is bearingly supported for rotation around a preferably horizontal axis by a motor. The rotor (2) is provided on its periphery with comminuting tools acting onto the supplied material, in particular knives 6, counter tools, in particular counter knives (8), assigned to the knives, being stationarily disposed within the housing (1) forming a supply well (7) of great volume. The material disposed within the supply well (7) is pressed against the rotor (2) by a supply arrangement which has at least two slides (17, 18) superimposed above each other and supplying the material to the rotor (2). The slides are independently from each other moveable against the rotor (2) or away from it.

Abstract: A method of making polymeric particulates wherein polymeric scrap material, virgin polymeric material and mixtures thereof are supplied to intermeshing extruder screws which are rotated to transport the polymeric material along their length and subject the polymeric material to solid state shear pulverization and in-situ polymer compatibilization, if two or more incompatible polymers are present. Uniform pulverized particulates are produced without addition of a compatibilizing agent. The pulverized particulates are directly melt processable (as powder feedstock) and surprisingly yield a substantially homogeneous light color product.

Abstract: A food preparation appliance includes a food preparation container and a base unit. The base unit includes a stirring mechanism drive and a heating element. The heating element comprises an induction heating element. The base unit has a control panel for use in controlling the stirring mechanism drive and the heating element. In one or more embodiments, the base unit includes a processor and memory storage device controlling the stirring and heating mechanisms in a specific sequence and manner of operation. The food preparation container comprises a specially configured pot having a mixer which is removably located in its interior and configured to be rotated with the stirring mechanism drive. The mixer includes a helical central blade and an outwardly extending wiping blade. The pot may be removed from the base unit and used independently thereof.

Abstract: In a device for atomizing and granulating liquid oxidic slags such as, e.g., converter slags, blast furnace slags or waste incineration slags, including a slag tundish having an outlet opening into which a height-adjustable lance for a propellant jet opens and to which a cooling chamber is connected, the outlet opening is surrounded by an immersion tube arranged concentrically therewith while forming an annular gap. A guide body capable of being adjusted in the axial direction of the lance is arranged in the region of the nozzle mouth of the propellant jet lance, which guide body deflects the propellant jet in the radial direction.

Abstract: On processing pasty materials, the material is conveyed with a relatively high dry fraction of 40 to 75% through the holes (62) of the perforated plate (42) of a granulator, in that a feed element (50), forming with the perforated plate (42) a wedge-shaped gap space (61), strokes with its trailing edge (53) over the perforated plate (42). The material strands (63) pressed out of the holes (62) are cut off by a knife-like separating device (64) stroking over the discharge-side surface of the perforated plate (42). Thus, particles of a particularly small size can be produced with a relatively low energy cost from the sludge and without the granulator being blocked by a damming up of fibres, e.g. in the form of hair contained in the sludge.

Abstract: An apparatus for making hydrogen storage powder by hydride comminution which includes a hydride reactor with at least one chamber for tumbling powder. An apparatus for making hydrogen storage powder by hydride comminution which includes a hydride reactor having multiple chambers linked to one another, wherein at least one chamber is for heating and at least one chamber is for cooling.

Abstract: A method of and an apparatus for treating worn tires comprising cutting the circumferential surface of the tire to a predetermined depth by a rotary cylinder having cutting blades each of a rhombic flat plate shape and subsequent separation of metal reinforcement components embedding the tire from the rubber component by RF induction heating that decomposes and carbonizes the rubber portion adjacent with the heated metal components, cutting by the rhombic blades enabling smooth and effective removal of surface tire layer, facilitating the succeeding RF heating and yielding useful cut rubber suitable to obtain variable recycle materials.

Abstract: A method and apparatus for comminuting and drying material utilizing a closed-loop cyclonic system including a cyclonic comminution chamber, and further incorporating heated or dried air for desiccation of the material, as well as reducing the air pressure of the system to provide enhanced drying of the material. The present invention further contemplates to a cyclonic mill system configured to fiberize and dewater cellulose and other materials in a highly efficient and cost effective manner. The present system employs indirect heat drying and fiberizing for the continuous drying and processing of moist cellulose (i.e., bagasse, paper, etc) material by cyclonically agitating same in a hot air flow via a specially designed cyclonic mill, which is configured to effectively dewater and decimate wet cellulose material from a variety of sources for form fiberized cellulose material suitable for thermal insulation or other products.

Abstract: A combination module feeder and cleaner for feeding and cleaning modules of seed cotton for ginning that includes a casing having two vertical columns of a plurality of cylinders that rotate about a respective axis, each of the cylinders having spikes disposed along the perimeter thereof to receive the modules of seed cotton. The modules of seed cotton enter the casing, the two rows of spiked cylinders cooperate to break apart the modules, and spiked cylinders adjacent grids wipe the seed cotton along spaced slots to remove trash and other objects from the seed cotton.

Abstract: The present invention provides a process and processor for reusing waste paint, rolling the waste paint between a pair of heated rotating drums 15 disposed opposite to each other in a rolling dryer 13 for dehydrating and drying the waste paint (rough drying step I), and accumulating the dehydrated and dried waste paint in a stirring dryer 21 while stirring the accumulated waste paint by a rotating grinding rotor 24 under cooling (holding step II), and drying and pulverizing the accumulated waste paint with the rotating grinding rotor 24 under heating (main drying step III). The process and processor bring about highly efficient processing of the waste paint.

Abstract: An apparatus that pulverizes feedstock material with crushers injects a liquefied inert gas into the feedstock material, evaporation of the gas causing the material to become very cold, brittle, facilitating further processing. Very fine finished particle sizes, passing −200 micron mesh screens, result from the use of the apparatus. The apparatus generally requires little maintenance to achieve such small particle size as compared to mechanical crushers. Because of the effect of the inert gas upon the feedstock material, pulverization generally occurs by impact only. A method for pulverizing is also described.

Abstract: The atomizing systems employed according to the state of the art in the production of powders are normally successively charged with liquid material from one or more melting pots for atomizing purposes. Due to the different ambient conditions that prevail inside the pot or in different pots during the melting or during the transfer of the melt, the resulting powder tends to be quite non-homogeneous. According to the invention, a device that serves to continuously melt a material is installed upstream from an atomizing system. A preferred example of such a device is the device known from WO 97/05440. The invention makes it possible to considerably improve the homogeneity of the powder produced by atomization. The system according to the invention allows not only the atomization of metallic material but also the production of non-metallic powder, especially glass powder.

Abstract: A method and apparatus for breaking down pieces of material into smaller pieces and for separating out different substances making up the material, one of the substances being a fibrous textile and another being metal, comprising the steps of subjecting the pieces to a series of dismemberments to produce progressively smaller pieces falling within a predetermined size range; separating the smaller pieces into a plurality of fractions, each fraction including pieces within a predetermined size range; and subjecting each fraction to a flow of air calibrated to cause separation of the fibrous textile material from the pieces.

Abstract: A waste treatment device includes a sealable chamber having an inlet for receiving waste to be treated and an outlet through which the treated waste is discharged. A cutting mechanism within the sealable chamber shreds the waste and delivers the shredded waste to the chamber outlet. The cutting mechanism includes a planetary gearbox carrying two or more rotating cutting heads which are in close proximity to one another.

Abstract: The present invention provides a process and processor for reusing waste paint (i.e., a process and processor for converting waste paint into resources) which bring about efficient processing of the waste paint. In the process for reusing the waste paint, the waste paint is rolled between a pair of heated rotating drums disposed opposite to each other, to dehydrate and dry the waste paint (rough drying step); and the dehydrated and dried waste paint is ground by a rotating grinding rotor of which axial is perpendicularly arranged in a processing tank and further the dehydrated and dried waste paint is dehydrated, dried and pulverized (main drying step).

Abstract: A method for stabilizing material physical properties of recyclable bumpers including the steps of: separating coating from raw material obtained by cleaning, fracturing and drying recyclable bumpers to form a recycled matrix; mixing an additive with the recycled matrix; melting and extruding the mixed matrix with an extrusion machine; cutting the molten and extruded matrix to produce pellets; introducing the pellets into a tank of a predetermined capacity; and mixing the pellets in the tank for a predetermined period of time while again delivering the pellets in the tank to an introduction opening of the tank for reintroduction into the tank in parallel with the pellets that are to be newly introduced.

Abstract: A medical waste disposal system for loading, reducing, and sterilizing medical waste is disclosed. The system includes a frame supporting a generally sealed containment chamber, a lift assembly having a lifter mounted on a track assembly configured for generally vertical motion of the lifter. The system also includes a hopper mounted on the frame near the lift and in communication with a material feeder, a first grinder in communication with the material feeder, a first conveyor positioned to receive medical waste from the first grinder, and a second grinder in communication with the first conveyor. The system further includes a second conveyor positioned to receive waste from the second grinder, and an autoclave for thermally disinfecting the waste, mounted on the frame in the containment chamber and in communication with the second conveyor assembly. The autoclave includes a plurality of steam inlets, a waste inlet opening, and a waste outlet opening for discharging waste to a third conveyor assembly.

Abstract: A coating film peeling apparatus 1 comprises: a cylinder unit 10 having a loading mouth 12 on one end side and an outlet 13 on the other end side; a rotary member 20 rotatably inserted into the cylinder 11 of the cylinder unit 10 and having a protrusion 21 on its outer circumference; and a drive unit 30 for driving the rotary member 20 rotationally. The coating films are peeled from the base resin material of the coarsely crushed products 50 by loading either the coarsely crushed products 50 or the coarsely crushed products 50 and an abrasive in the cylinder 11 from the loading mouth 12 and by conveying the loaded products in the cylinder 11 while rubbing the same by the rotation of the rotary member 20.

Abstract: The present invention relates to a process for grinding a plastic material to produce superfine particles and compositions, such as suspensions and dry powders, resulting from such process. Common ice is the abrasive for grinding.

Abstract: The test mill is a reduced-scale model of an industrial mill used in the mining industry and comprising a rotary shell (10) capable of rotating about its longitudinal and horizontal axis. This shell is capable of containing a certain amount of grinding media and of receiving a certain amount of material to be ground so as to be able to operate under conditions comparable with those of an industrial mill. The shell is divided, in the longitudinal direction, by a perforated transverse partition (24), into a grinding chamber (20) and a measurement chamber (22), the perforations in the partition being sized to hold the grinding charge back and allow the ground matter to pass through, whereas the shell (10) comprises a series of injectors (28) allowing fluid products to be injected into the grinding chamber (20). It is possible to make in-situ and continuous analyses of the pulp in the measurement chamber.

Abstract: Liquid material is caused to freeze as a molded frozen body in a cylindrical form after the shape of the tubular inner wall surface of the freeze-drying apparatus, wherein the moisture content of the molded frozen material is sublimated under the vacuum to freeze-dry the material in the apparatus. A discharge port is defined at the lower end side of the tube, and jet nozzles are disposed, in the inner wall surface of the tube, for ejecting compressed air or gas toward the inner bore of the tube. The molded frozen body of the liquid material as freeze-dried is crushed and pulverized within the tube, by jet current ejected from jet nozzles.

Abstract: The present invention provides a garbage disposal machine and includes a body and a disposal tub installed in the body to put in garbage and garbage disposal materials that decompose the garbage. An agitator agitates the garbage and garbage disposal materials in the disposal tub. A warm air inductor induces warm air into the disposal tub, circulating the gas developed in the process of garbage decomposing in the disposal tub and sends the gas into the disposal tub. Part of the gas circulated by the warm air inductor is exhausted through an exhaust passage. The gas in the exhaust passage is deodorized and exhausted and ejected to the outside.

Abstract: In the production of meal-fine products by a milling process the milling material generated in a comminuting device is ordinarily separated at the desired grain size in a downstream sifter and the fine material (meal-fine product) obtained here is then separated in the fine material separating device from the sifting air. According to the invention it is proposed to construct the sifter as a V-sifter and to connect this latter, without interposition of the otherwise ordinarily used pipelines, directly with the fine material separating device, preferably an electro-filter.

Abstract: Rubber chips are immersed in a coolant to cool the chips to a the temperature in the range of −90 degrees to −110 degrees Celsius. The coolant contains alcohol such as n-butyl alcohol, methanol, pentane and is cooled by nitrogen. The cooled chips are then comminuted to a powder in the range of 10 mesh to 100 mesh ASTM in size.

Abstract: A method for re-using unneeded expanded styrene and an apparatus for preparing comminuted expanded styrene that can be used as a starting material for injection molding. The expanded styrene is rendered re-usable through a first step of comminuting expanded styrene, a second step of illuminating far-infra-red light to the expanded styrene comminuted by the first step to reduce its volume, a third step of further comminuting expanded styrene, reduced in volume by the second step, to prepare a granulated material, and a fourth step of injection-molding the granulated material from the third step to prepare a regenerated article.

Abstract: A supplying inlet is placed at a position where materials to be crushed supplying direction is offset on the forward direction side of a rotating direction relative to the rotating center of the rotation wing on the supplying side and a discharge outlet is placed at a position where crushed product discharge direction is offset on the forward direction side of a rotating direction relative to the rotating center of the rotation wing on the discharge side; and a casing on supplying side and a casing on discharge side are fitted so as to be separable from each other. Thereby retention time in the casing of crushed product is short, heat degeneration is little, and a good product can be obtained; and maintenance and cleaning are made easier.

Abstract: A method of controlling process variables, for a fiberizing assembly including a rotary fiberizing disk in the manufacture of fibers from a high temperature, molten, clear or translucent, thermoplastic, fiberizable material, utilizes an optical sensor assembly. The optical sensor assembly includes a water-cooled optical fiber sensor probe which, in effect, only gathers light emitted from the external sidewall surface of the rotary fiberizing disk. The light is conducted from the probe to an electronic unit that converts the light energy into a temperature value. This temperature value is used to monitor the process and to make any changes in process variables, such as but not limited to heat input to the fiberizing disk, rate of rotation of the fiberizing disk, burner air/fuel ratio, required to produce fibers having desired fiber properties.

Abstract: In a rotor 1 provided with a cylinder 2 which can supply a molten and mixed resin composition to an upper portion of the rotor 1 from an opening portion and is formed by a magnetic material on an outer periphery thereof or is formed by a nonmagnetic material being contact with a magnetic material 3, the resin composition is granulated into powders or in a fiber shape by heating the magnetic material portion so as to pass the resin composition through small holes in the uniformly heated cylinder 2 due to a centrifugal force, and the granulated powders are transferred by an air feeding apparatus 12 having a rotary blade 11 mounted therein from a discharge port in a lower portion of an outer tank 8.

Abstract: The disclosed method and apparatus for crushing material such as ice include a controller to actively control the speed, volume, temperature, and humidity of airflow to improve the crushing efficiency.

Abstract: An ultra fine mineral compound and method of processing native Dead Sea minerals into this ultra fine mineral compound that can be used to manufacture all natural Dead Sea mineral compositions particularly compositions for use in bath and body products is disclosed. Even with the extreme ionic character of the Dead Sea minerals, the Dead Sea mineral compositions prepared remain in suspension creating a viable cosmetic preparation that can maintain adequate shelf life and provide a more pleasant feel for the consumer.

Abstract: A method and system for treating material, especially medical waste, municipal solid waste and paper, such as newsprint. The system includes an input component having an air lock and shredder; a pressurized treatment component which includes a feed screw which feeds material into an extrusion tube that is connected to a rotating autoclave vessel, a pressurized outlet hopper, and an exit feed screw which feeds sterilized material into an outlet extrusion tube. The system also includes a drying and cooling component which receives material from the outlet extrusion tube, tumbles the material in a drum to break it up, cool it and release moisture, and an evacuation blower which conveys moist air in the drum through a condenser. In a preferred embodiment, the autoclave vessel is sealed at its inlet and outlet ends in part by dynamic plugs of material which progress through the inlet and outlet extrusion tubes, but at the same time form compacted, airtight barriers which seal the autoclave vessel.

Abstract: A process of both milling and drying a solvent-moist material (e.g., water-moist methylhydroxyethylcellulose) is described. The process includes, (a) providing a mill-dryer (100) which includes, in series, a heat exchanger (1), a mill (2) and a particulate separating apparatus (105) connected by conduits (8), (9) and (11, 12), which together define a mill-dryer circuit (103). The mill-dryer (100) also includes a bypass conduit (14), which provides optionally at least partial gaseous bypass of the heat exchanger (1). The process further includes: (b) introducing the solvent-moist material into the mill (2); (c) circulating a vapor stream (e.g.

Abstract: A pretreatment apparatus for raw materials for production of reduced iron pretreats the raw materials, comprising an iron material, such as iron ore, and other raw materials, such as coal and flux, by a dryer, classifiers, a roll press, and a vertical mill, and feeds the pretreated raw materials to a pelletizer via a feed bin. At least two fluidized mixers for mixing the classified raw materials, one of the fluidized mixers for storage and the other fluidized mixer for supply, are provided for batch treatment. The pretreatment apparatus can uniformize the crushed particle sizes of iron ore, coal, etc. different in hardness, stably supply homogeneously mixed raw materials, and simplify pelletization-side facilities.

Abstract: A hulling apparatus that can improve hulling efficiency and hulling roll durability. A first air nozzle and a second air nozzle to cool surfaces of hulling rolls by blowing compressed air thereto are provided at a vicinity of the hulling rolls of the hulling apparatus. Consequently, a hardness of a rubber layer at the surfaces of the hulling rolls can be prevented from being lowered. Thus, hulling efficiency and hulling roll durability can be improved.

Abstract: A novel apparatus can be used to simulate the chewing process, wherein the wherein the apparatus comprises a thermostattable kneading space comprising an upper portion and lower portion, wherein the lower portion comprises at least two kneading paddles for comminuting and kneading the test material and the upper portion comprising an air space for connecting the volatile components released during the comminution and kneading, wherein said apparatus comprises an inlet in which saliva is introduced into the kneading space and a second inlet in which air is passed into the kneading space, wherein air is passed together with the volatile components of the comminution and kneading process through an outlet of the kneading space to a detector system.

Abstract: In a method for ultrafine grinding of solid particulate material to mean particle sizes far below 1 micrometer and/or for mixing of powder and agglomerate material with mean particle sizes in the range of nanometers, the material to be ground and/or mixed and an grinding/mixing additive are filled into a cooled grinding chamber containing loose grinding media. By motion of the grinding media relative to adjacent media and to the walls of the grinding chamber the material is ground to the desired particle size and/or is finely mixed. Subsequently the additive is removed from said material. For the production of particle sizes in the range of nanometers and/or for mixing particles of this size range, the method comprises that grinding and/or mixing is carried out in a cooled atmosphere in the presence of a fine grained solidified additive which is chemically inert to said material, preferably water ice or solid carbon dioxide, at temperatures below their melting or sublimation temperature.

Abstract: An apparatus for treating milling products comprises a housing (1), a rotor (2) rotatably arranged in said housing (1) and having at least one pocket (8) for receiving steam-containing milling products which is to the processed an inlet (6) in the housing (1) for steam-containing milling products for passing on to the pocket (8) and an outlet (12) in the housing (1) for milling products to a steam proof discharge device, said pocket (8) being at least partly open radially outwards, and an outlet in the housing (1) for steam. The rotor pocket (8) is provided with a radially inwards facing opening for steam (14), which can be connected with a steam outlet (15, 16, 17, 18) of the housing (1) at least once per revolution during the rotation of the rotor (2). The invention also relates to a method for treating milling products.

Abstract: The device for the in situ disposal of incontinence articles comprises a basic housing (11) in which is placed a device (20) made of a drum-type housing (21) with an upper filling opening (22) and a cylindrical drum (30) placed in the inner space (23) of the housing (21), stationary or which can be set rotating about a horizontal axis of rotation (24) in one direction or alternately by means of a first driving device (25), with a filling opening (32) for the material to dispose of and with two wall plates (33, 34) closing both drum openings (30a, 30b) on the front side, the first wall plate (33) being connected with the drum housing and the second wall plate (34) being configured displaceable by means of a second driving device (35) in the drum rotation axis longitudinal direction or displaceable and rotatable about its center axis, whereby both front side drum wall plates (34, 35) carry on their opposing wall faces (33a, 34a) cutting, separating and disintegrating knives (40, 140) penetrating into the drum i

Abstract: The apparatus comprises a container which essentially has the shape of a body of revolution and comprises two half-shells detachable from one another and having a vertical axis. The container preferably has the shape of a sphere with a material inlet arranged in the upper half-shell and a material outlet arranged in the bottom of the lower half-shell. Also arranged in the container is a stirrer which is rotatable about an axis inclined not more than 20° and which is connected to a drive device arranged on the upper half-shell and picks up and constantly circulates the entire material during operation of the apparatus. The apparatus is suitable as a dryer, mixer and, with introduction of a suitable liquid, also as a granulator and can be used not only for chemical synthesis but also as a reactor, for example in the pharmaceutical manufacturing stage, in combined applications.

Abstract: A wet material treatment apparatus includes an inlet hopper for introducing the wet material into the apparatus. The hopper feeds the wet material into an injector auger that physically directs the wet material into a high velocity air stream produced by a blower thereby directing the flow of the wet material through the apparatus. The wet material moves from the injector auger into a cyclone that separates the wet material through specific gravity and desiccation into a substantially liquid and a substantially solid portion. The substantially liquid portion is discharged through a first outlet in the cyclone to a wet scrubber, while the substantially solid portion of the wet material is discharged through a second outlet. The apparatus can be mounted to a trailer for mobile transportation, and can include two cyclones operating in series.

Abstract: Desiccated bulk of liquid material, which has completed its freezing and desiccation in a freeze-drying apparatus, is subjected to pulverization within the machine body of a freeze-drying apparatus.

Abstract: A closed loop control system for monitoring and regulating operation of a grinding mill to reduce material in quantity to exactly match a processor material demand. The control system regulates the operation of components of a grinding mill at in response to a linear interpolation of variables between predetermined set points stored in register tables, so as to substantially match the mill reducing capability with variations in the percentage of the processor material demand, without the need for operator intervention. Multiple register tables are provided to accommodate different feed materials or blends, and an operational history record is maintained to allow for reconstruction of events leading to any component failures.

Abstract: The present invention provides a garbage disposal machine comprising: a body;

Abstract: An apparatus and process for pulverization of polymeric material having a multi-component screw disposed within an elongated cylindrical housing. The multi-component screw has an independently rotatable extrusion portion and an independently rotatable pulverization portion. A cooling means is provided to maintain the fine powder material produced during the pulverization process at a desired temperature. In one embodiment of this invention, a second multi-component screw having an independently rotatable extrusion portion and an independently rotatable pulverization portion is disposed within the elongated cylindrical housing.

Abstract: A medical waste disposal system for loading, reducing, and sterilizing medical waste is disclosed. The system includes a frame supporting a generally sealed containment chamber, a lift assembly having a lifter mounted on a track assembly configured for generally vertical motion of the lifter. The system also includes a hopper mounted on the frame near the lift and in communication with a material feeder, a first grinder in communication with the material feeder, a first conveyor positioned to receive medical waste from the first grinder, and a second grinder in communication with the first conveyor. The system further includes a second conveyor positioned to receive waste from the second grinder, and an autoclave for thermally disinfecting the waste, mounted on the frame in the containment chamber and in communication with the second conveyor assembly. The autoclave includes a plurality of steam inlets, a waste inlet opening, and a waste outlet opening for discharging waste to a third conveyor assembly.

Abstract: A small-scale or micro media-mill and a method of milling materials or products, especially pharmaceutical products, use a dispersion containing attrition milling media and the product to be milled. The milling media can be polymeric, formed of polystyrene or cross-linked polystyrene, having a nominal diameter of no greater than 500 microns. Other sizes include 200 microns and 50 microns and a mixture of these sizes. The mill has a relatively small vessel having an opening, an agitator, a coupling, and a motor. The agitator can have a rotor and a shaft extending therefrom. The rotor can be cylindrical or have other configurations, and can have tapered end surfaces. The coupling can close the vessel opening, or attaching the coupling to the motor can close the opening. The coupling has an opening through which the rotor shaft extends into the motor. A sealing mechanism, such as a mechanical or lip seals the shaft while permitting the rotor shaft to rotate.

Abstract: An apparatus that pulverizes feedstock material with crushers injects a liquefied inert gas into the feedstock material, evaporation of the gas causing the material to become very cold, brittle, facilitating further processing. Very fine finished particle sizes, passing −200 micron mesh screens, result from the use of the apparatus. The apparatus generally requires little maintenance to achieve such small particle size as compared to mechanical crushers. Because of the effect of the inert gas upon the feedstock material, pulverization generally occurs by impact only. A method for pulverizing is also described.

Abstract: A rubber grinding machine and method is provided for ambient temperature grinding of rubber material to form finely ground rubber particles. The rubber grinding machine includes a feed tube, a grinding module, a conveyor, a screening module and a vacuum system. Rubber material is placed in the feed tube which advances the rubber material into the grinding module using a plunger or auger. The grinding module includes a grinding wheel which grinds the rubber material into rubber particles. The grinding wheel is surrounded by a shroud which includes a water-cooled cooling jacket. The water is circulated through the cooling jacket to cool the shroud and its interior. Rubber particles ground by the grinding wheel fall through the bottom of the shroud onto a conveyor which deposits the rubber particles onto the screen module. The screen module includes at least one screen for separating the rubber particles by size.