Abstract: A small-form-factor high-security destruction machine for optical media has a weight empty of about 16.3 lbs. and holds about 5 lbs. of residue.

Abstract: In order to facilitate side extraction of the roller holder cartridge (3) in a rolling mill stand (100), the strokes of the hydraulic capsules needed to take the pistons of the same clear from the trajectory traveled by the roller holder cartridge (3) during the extraction of the same from the rolling mill, may reach values indicatively between 150 and 400 mm, values which can negatively affect response times of the position control system of said capsules (4?). In order to continue to apply the same capsule control methods but with a considerably more dynamic system capable of rapidly and accurately reacting to sudden changes of pressure, the servo valves in the control circuits are of the four-way type, instead of the three-way type.

Abstract: According to some embodiments of the invention, there is provided a method of producing a bone graft, comprising: providing a tooth, converting the tooth into a plurality of particles, and selecting from available particles a subset of particles. In some embodiments, the method is performed at a dental clinic. In some embodiments, the dental bone graft is an autograft produced by grinding a patient's tooth. According to some embodiments of the invention, there is provided an apparatus configured for connecting to a motor unit to produce a bone graft at a dental clinic, comprising: a housing encasing: a chamber sized to receive a tooth, a blade assembly positioned within the chamber and configured to pulverize the tooth, an accessible compartment in which a subset of tooth particles is collected, and one or more sieves positioned to sift particles that flow between the chamber and the accessible compartment.

Abstract: Various wear resistance designs may be applied to a reactor configured to facilitate chemical reactions, and/or comminution using shockwaves created in a supersonic gaseous vortex. The reactor may include a rigid chamber having a substantially circular cross-section. A first gas inlet may be configured to introduce a high-velocity gas stream into the chamber. A first replaceable wear part may be disposed in the chamber to absorb wear impact caused by the gas stream. In some implementations, the first replaceable wear part may be a cylindrical rod continuously fed into the chamber. In some implementations, the first replaceable wear part may be coated with, or composed of, a catalytic material, and/or may be electrically isolated from the rest of the reactor. In some implementations, a second gas inlet may be disposed to steer the gas stream to a desired area within the chamber to even out the wear impact.

Abstract: A replaceable distributor plate, adapted for protecting a lower horizontal disc of a rotor of a vertical shaft impact crusher, includes a first portion of a bayonet joint, the first portion being adapted for cooperating with a second portion of the bayonet joint, the second portion being associated with the lower horizontal disc.

Abstract: The present invention relates to a method for producing a compound that comprises a pseudolaminar silicate of natural origin, which is at least one clay of the paligorskite-sepiolite group, characterized in that said method comprises the following steps: defibrillating the microfiber bundles of the at least one clay in water; dispersing the defibrillated clay in an organic or inorganic liquid solvent until a stable gel is formed; adding to the dispersion at least one clay-surface-modifying agent; removing the solvent from the dispersion by means of a solid-liquid separation process and/or drying process; and deagglomerating the final compound until a powdered product is obtained. A further object of the present invention is the compound that can be obtained using said method, as well as the use of the compound as an additive or filler in composite polymeric materials in order to enhance the properties thereof, the composite polymeric material likewise being encompassed within the present invention.

Abstract: The system and method requiring a diverter plate for an in-line mill. The plate for use with the in-line mill includes an aperture for passage of particulate laden fluid therethrough and a plurality of tabs such that the fluid and the particulate entrained thereon is deflected at a variety of axial angles. The diverter plate thus provides a reliable method such that the milling process and component wear resistance is made more efficient thereby.

Abstract: An improved tooth for a roller crusher is presented. The tooth can include a first tungsten carbide overlay layer plasma-transfer arc welded on a recessed hemispherical end of the tooth, which is covered by a wearable cap placed over the first overlay layer, the cap welded to the tooth. A second tungsten carbide overlay layer can then be plasma-transfer arc welded over the cap to, thereby, provide a tooth having two tungsten carbide overlay wear layers.

Abstract: The invention concerns a method and an arrangement for the output of mineral material from a drum mill having a horizontal rotation axis, a sieving wall at its end wall, material can leave through the sieving openings in to pulp-lifting chambers, limited by the sieving wall, the end wall, a limiting wall, and limiting walls that lead towards an output cone, whereby material in the pulp-lifting chamber is emptied down towards the output cone when the pulp-lifting chamber is an upper part of a revolution. In order to increase the rate of revolution, material that does not reach the material output cone is collected in a material collection pocket which carry the material at a level radially closer to the rotation axis than the inner limiting wall, whereby collected mineral material leaves the material collection pocket during, a subsequent revolution.

Abstract: A mobile apparatus for comminuting lumpy material, especially rock, includes a chassis, a crusher arranged on the chassis, a feed device, provided on the chassis, for the lumpy material to be fed to the crusher and comminuted, a removal conveying device having a sieve device for the material comminuted by the crusher and a return conveying device for returning material held back by the sieve device to the feed device. In order to ensure heap separation of comminuted material of different grain sizes despite high crushing throughput, one conveying section of the return conveying device including at least two conveying sections is secured to the device by at least one rotational joint such that it can be turned away from the feed device.

Abstract: In a cutting implement for a food processor, a blade axle is rotatable on a rotation axis thereof in a direction of rotation of the blade axle. At least one blade assembly is mounted on the blade axle. The at least one blade assembly has at least one single-piece arcuate blade having an upper blade section coupled to the blade axle, a lower blade section separate from the upper blade section and coupled to the blade axle, and a middle blade section extending arcuately between and interconnecting the upper and lower blade sections. The single-piece arcuate blade has a leading edge in the direction of rotation of the blade axle, with the leading edge at least in part being configured to define a cutting edge of the single-piece arcuate blade.

Abstract: A gyratory crusher bearing arranged for carrying a crushing head of a gyratory crusher having an inner crushing shell supported by the crushing head, and an outer crushing shell supported on a crusher frame. The gyratory crusher bearing includes a lubricant supply channel and a lubricant drainage channel. At least one of the lubricant supply channel and the lubricant drainage channel is arranged for housing a combined mounting and lubricant passage bolt holding the gyratory crusher bearing to a bearing support arranged on the crusher frame of the gyratory crusher.

Abstract: Apparatus (10) for the micronisation of a powdered material (P) containing particles, comprising: a container (11), containing a reserve of the powdered product (P) to be micronised; a high-energy gaseous spiral fluid-jet micronising mill (12) with which powdered product (P) is micronised; and a feed system (13) to feed powdered product (P) from container (11) to the spiral jet mill (12), wherein feed system (13) comprises a special microdispenser device (20, 21, 26, 27, 28, 29) that micrometrically dispenses and directly feeds the powdered material (P), in a dense state, to the spiral jet mill (12), and wherein said microdispenser device (20) comprises one or more dispensing sections (21) which are cyclically filled with material originating from container (11) and then emptied to feed the material to the spiral jet mill (12), opening and closing at high frequency a plurality of control valves (26, 27, 28 and 29) associated with the dispensing sections (21) of the microdispenser device (20).

Abstract: A top-fed vertical grain mill which causes intermittent compression of grains while reducing potential overmilling. The top-fed vertical grain mill includes a resistor bar, a plurality of rolls having a smooth, metal vertical outer periphery on which a vertically-aligned stirring bar is positioned, and a bran removal cylinder having a plurality of perforations therethrough, which may be throughout or which may be below the bottom surface of the top-most of the plurality of rolls.

Abstract: A comminutor for reducing the particle size of solid waste is provided. The comminutor includes at least two shafts, each fitted with a cutting element. A top portion of each of the shafts is rotatably mounted to a top housing and a bottom portion of each of the shafts is rotatably mounted to a bottom housing. The comminutor also includes a first shaft support disposed between the top portion and the bottom portion for rotatably supporting each of the shafts and a vertical support member attached to the top housing and the bottom housing, the first shaft support being coupled to the vertical support member.

Abstract: A handheld having a grater panel with a bottom surface from which grated particulates emerge and a catch bin removably attached to the grater panel, the catch bin having a substantially flexible body with one or more living hinges capable of adapting the catch bin from a collapsed configuration for storage to an expanded configuration for use. The catch bin has an open top for receiving the grated particulates and may also include an open front corresponding to the handle end of the grater panel from which the grated particulates can be poured.

Abstract: A wear plate system comprises a wear plate for mounting to the inside of a grinding mill A fastening arrangement comprises an elongate coupling member having a first end arranged to secure to the wear plate such that when so secured the coupling member is arranged to pivot with respect to the wear plate. A second end of the elongate coupling member secures to the grinding mill.

Abstract: A refrigeration device includes an actuating element, and an ice crusher which is activated by the actuating element and configured to crush ice for a period of time during which the actuating element is actuated. The ice crusher is configured to release the crushed ice after actuation of the actuating element has concluded or after a preselectable period of time has elapsed.

Abstract: Disclosed is a method for producing an ore slurry that can suppress a rise in the viscosity of the ore slurry and consequently prevent a failure in transporting the slurry, and also to provide a metal refining method utilizing such a slurry producing method. The present invention includes: a pulverizing/classifying step of pulverizing raw material ores and classifying the resulting ores at a predetermined classifying point so that oversized ore particles are removed so as to obtain a coarse ore slurry composed of undersized ore particles; a grain size measuring step of measuring the grain size of the resulting coarse ore slurry; and an ore slurry condensing step of loading the coarse ore slurry to a solid-liquid separation device and separating and removing moisture contained in the coarse ore slurry therefrom so as to condense ore components.

Abstract: The invention relates to a device for comminuting feedstock (1) of any type, in particular made of plastic, preferably of PE, comprising a feeding apparatus and a comminuting apparatus (6), wherein the feeding apparatus (2) comprises a trough (3) to receive the feedstock (1) and conveying means (4) for conveying the feedstock (1) to the comminuting device (6) or into the comminuting device (6), and wherein the comminuting device (6) comprises a planar tool holder (9) equipped with tools (10), in particular cutting tools, on its operating side, characterized in that the tool holder (9) performs an oscillating motion relative to the feedstock (1).