Abstract: Certain aspects of the technology disclosed herein include an apparatus and method for forming nanoparticles. The method includes a mechanical milling process induced by aerodynamic, centrifugal, and centripetal forces and further augmented by ultrasound, magnetic pulse, and high voltage impact. A nanoparticle mill having an atmospheric and luminance controlled environment can form precisely calibrated nanoparticles. A nanoparticle mill can include first aerodynamic vane configured to rotate around a central axis of the nanoparticle mill in a first direction, and a second aerodynamic vane configured to rotate around the central axis in a second direction. An aerodynamic shape of an aerodynamic vane can be configured to cause particles within the nanoparticle mill to flow around the aerodynamic vane. The nanoparticle mill can include a primary product line, a nanoparticle sampling line, a particle programming array, a solidifying chamber, or any combination thereof.

Abstract: Polycrystalline silicon fragments obtained by fracturing polycrystalline silicon blocks wherein a content ratio of polycrystalline silicon powder having a particle size of 500 to 1000 ?m is 0.1 to 40 ppmw.

Abstract: An apparatus for comminuting solid waste material is provided. The apparatus includes a casing and a comminutor assembly including a plurality of cutting elements mounted on said first shaft in interspaced relationship with a plurality of second cutting elements mounted on said second shaft. The casing includes laterally opposed side rails each having a wall extending parallel to the flow direction of the liquid through the comminution chamber, a plurality of planar fins projecting outwardly of said rear wall in the direction of said stack, aligned with the flow direction of the liquid and being spaced from each other in a vertical direction to form slots therebetween, and the planar fins having a leading edge extending from the wall upstream a rearward edge, the rearward edge extending from an outermost portion of the leading edge toward the wall, and the fins have a path ratio greater than 1.55 to 1.

Abstract: The invention provides stirring and/or mixing utensils such as pots, pans and the like, for preparing foodstuffs for consumption by mixing and possibly also heating them in an environment in which they can be tumbled or otherwise moved in three-dimensions. Utensils in accordance with some embodiments of the invention comprise cooking or frying utensils incorporating a food chamber that is mounted for rotation about three orthogonal axes. Utensils in accordance with other embodiments of the invention use, in combination, a food chamber mounted for rotation about two mutually orthogonal axes and a stirring device driven about the third axis.

Abstract: A chopper assembly for harvesting equipment including a knife bank movable between a first position where knife elements of the knife bank are fully inserted into a passageway for crop residue and a second position where knife elements of the knife bank are fully retracted from the passageway. A body has a slot or profile, the body secured to the knife bank and at least one knife element, the body and the knife element configured to move relative to the knife bank. A resilient device operably connects the slot or profile and the knife bank, the resilient device preventing movement of the knife element away from the first position and toward the second position until the knife element is subjected to a predetermined force. Upon removal of the predetermined force, the resilient device urges the knife element to move toward the first position.

Abstract: A method of impact crushing of material includes the following steps: the material is fed to a rotor crushing the material and forwarding pieces of the material towards secondary crushing rotors. Small material pieces are hit by the first secondary crushing rotor and large material pieces are impacted by the second secondary crushing rotor. Impact surfaces of the secondary crushing rotors are substantially normal to the movement directions of the pieces during the impacts. A time interval between the impacts made by the secondary crushing rotors is defined with use of the expression ?t=(0.7 . . . 1.3)(R1/V1?R2/V2), where R1 and R2 are distances from a place of forwarding the pieces by the rotor to the places, where the first and second secondary crushing rotors impact the pieces, correspondingly, V1 and V2 are average velocities of the pieces forwarded towards the first and second secondary crushing rotors, correspondingly. An impact crusher is disclosed as well.

Abstract: A mill for grinding rubbish. The mill comprises at least one grinding chamber defined by a side wall and a floor. The mill also comprises at least two rotors and rotatable about respective substantially vertical axes and. Each of the rotors comprises a hub and a plurality of chains connected to the hub and designed to sweep over part of the grinding chamber during rotation of the rotor.

Abstract: An apparatus for fracturing polycrystalline silicon having a pair of rolls which are rotated in a counter direction each other around parallel axes; and a plurality of fracturing teeth which are provided on outer peripheral surfaces of the rolls and are protruded radially-outwardly, in which top surfaces thereof are formed spherically and side surfaces thereof are formed conically or cylindrically, and fracturing fragments of polycrystalline silicon between the rolls.

Abstract: An apparatus for fracturing polycrystalline silicon having a pair of rolls which are rotated in a counter direction each other around parallel axes, the rolls is provided with: a plurality of disks layered along the axes of the rolls; and a plurality of fracturing teeth protruding radially-outwardly from the disks with a certain intervals along a peripheral direction of the disks, wherein the disks are rotated at different rotation speed from an adjacent disks, and the apparatus fracturing fragments of polycrystalline silicon between the rolls.

Abstract: An impact mill equipped with transmission machinery (10) to rotate two coaxial rotors (16, 18) of a rotor apparatus (12) by one single driving apparatus (14). The transmission device includes, according to one alternative, a secondary shaft (32; 36b) equipped with a gear pair (28, 30) or a conic gear (29). The first gear (28) rotates a gear (24) at the shaft (20) of the first rotor (16), and the second gear (30) rotates a gear (26) at the shaft (22) of the second rotor (18), but in the opposite direction or at a different speed. The conic gear (29) rotates the gear (24a) at the shaft (20) of the first rotor (16) in one direction, and the gear (26a) at the shaft (22) of the second rotor (18) in the opposite direction.

Abstract: A device for increased micronization efficiency of solid materials. The device comprises a housing with two discs, separately driven by motors through axles, such that the discs rotate in opposite directions. Each of discs bears at least two or more wreaths of blades such that two adjacent wreaths that belongs to different discs do rotate, relatively one to another, in opposite directions, forming an area where micronization of material takes place. The wreaths of blades of different discs are faced one against another. All blades of wreaths are identical, in the shape of a “T”, and include three wings; two wings are dimensionally identical and set under the right angle, whereas the third wing is set dimensionally larger than the other wings. Centerline of all three wings meet each other in the center of the blade, on a circle that goes through half of the wreath.

Abstract: An apparatus for fracturing polycrystalline silicon has: a pair of rolls which are rotated in a counter direction each other around parallel axes; and a plurality of fracturing teeth protruding outward radially from outer peripheral surfaces of the rolls and having variant heights. In the apparatus for fracturing, the fracturing teeth are arranged so that higher teeth among the fracturing teeth and lower teeth among the fracturing teeth are alternately rowed at least along a circumferential direction or a width direction of the rolls; and the fracturing teeth are arranged so that a tip of the higher tooth of the one roll and a tip of the lower tooth of the other roll are opposed to each other at a position in which the fracturing teeth of each rolls are closest to each other, so that the apparatus fractures fragments of polycrystalline silicon between the rolls.

Abstract: An apparatus for fracturing polycrystalline silicon having: a pair of rolls rotated in a counter direction each other around parallel axes; and a plurality of fracturing teeth units provided on outer peripheral surfaces of the rolls, arranged along a circumferential direction of the rolls, and have a plurality of fracturing teeth and fixing covers fixing the fracturing teeth on the outer peripheral surfaces of the rolls, in which: the fracturing teeth has flanges; and the fixing covers are formed as strips along a longitudinal direction of the rolls, and in which the fixing covers are fixed on the rolls in a state in which top ends of the fracturing teeth are protruded outward radially of the rolls from the fixing hole outward so as to hold the flanges between the fixing covers and the rolls.

Abstract: A device for mechanical separation of material conglomerates includes a separating chamber with a feed side and a discharge side, where the separating chamber is surrounded by a cylindrical separating chamber wall and has at least two consecutive sections, in each of which at least one rotor with impact tools, wherein the rotors have a rotor casing, the radius of which increases towards the discharge side, wherein the difference between the radius of the rotor casing and the radius of the separating chamber wall decreases from the feed side towards the discharge side, the directions of rotation of the rotor in the section facing the discharge side and the rotor of the section which lies ahead in the direction of the material flow are counter-rotating, and the rotational velocity of the rotors in the sections from the feed side towards the discharge side of the separating chamber, increases.

Abstract: The aim of the invention is to provide a roll crusher for a grate cooler for cooling hot bulk material, in particular hot cement clinker, comprising several parallel crusher rolls. Said rolls are driven in opposite directions and comprise respective rotatably mounted axle tube rolls, onto each of which a large number of crusher rings that can be connected to the axle tube can be pushed. According to the invention, the crusher rings are configured in such a way that crusher elements project from the cylindrical outer face of the crusher rings, said elements being uniformly distributed both over the periphery and over the width of the crusher rings.

Abstract: The present invention regulates the delivery of feedstock to the fragmentation zone in a gravity-fed comminuting machine and reduces the ejection of feed materials by means of a rotating cylinder located at an offset position above the rotor. Rotationally mounted on an axis parallel to and above, but offset from, the axis of the rotor, this cylinder serves primarily as a striking surface, or anvil. The continual rotation of the anvil, in the opposite rotational direction as the rotor and with much slower rotational speed, assists in agitating the feed material, alleviating the problems of feed chute obstructions and feed aggregation. The cylinder forces the feed materials into contact with the rotor teeth through continuous rotation and provides a novel tooth design to improve efficacy and reduce wear.

Abstract: A twin-rotor impact bar crusher is provided for comminuting preferably limestone, marl, clay or similar materials. The impact bar crusher includes two rotors arranged horizontally parallel to one another and impact bars which are rigidly fastened to the circumference of the rotors in a uniformly distributed manner. The impact bars preferably extend over the entire length of the rotors. The two rotors are arranged next to one another at the same height and rotate inwards in opposition to one another.

Abstract: A mineral breaker including a pair of breaker drum assemblies rotatably housed in a housing with their axes parallel, each drum assembly including circumferentially extending groups of teeth, the groups being spaced axially along the drum assembly to define a circumferentially extending channel between adjacent circumferential groups of teeth, the drum assemblies being arranged such that each circumferential group of teeth on one drum assembly is located to enter a circumferentially extending channel between a pair of neighboring circumferential groups of teeth on the other drum assembly, the cross-sectional shape and size of each tooth and channel being complementary such that the sides and tip of a tooth when entering a channel are closely spaced from the sides and bottom of the channel, and an elongate breaker bar extending longitudinally in a direction parallel to the axes of the drum assemblies, the breaker bar being located with its longitudinal axis positioned inbetween and beneath the axes of rotation

Abstract: A breaker having a first end and a second opposed end and a plurality of breaker drums arranged side by side in a row extending between said ends, the drums being arranged with their axes of rotation parallel to one another, at least two neighboring drums adjacent to the first end being arranged to continuously rotate in the same direction to define feeder drums for feeding material toward the second end, each breaker drum having radially projecting breaker teeth which co-operate with opposed breaker teeth on the adjacent drum to grip oversized material therebetween to cause breakage thereof, to permit passage of undersized material therebetween and to move unbroken oversized material toward said second end.

Abstract: A clean dry glass powder useful as a substitute for Portland cement in concrete, in paints, and for other known uses for glass powder produced conventionally can be produced from unsorted post-consumer waste glass, including a substantial fraction of non-glass items, by employing glass pulverizing equipment to reduce waste glass to small fragments, allowing removal of trash, employing a multistep washing process to clean the glass fragments, in the preferred embodiment using aggregate cleaning equipment, drying the fragments, preferably using fluidized bed techniques, and grinding the glass to a desired particle size, preferably using a ball mill, in combination with an air classification step to produce a glass powder of uniform particle size.

Abstract: A solids reduction processor has a pair of opposed parallel rotor assemblies which are rotationally driven in opposite directions to pulverize solids dropped into the processor. Each assembly comprises a shaft, disc sets removably secured to the shafts, and circumferentially spaced sets of outwardly projecting hammer members removably secured to the disc sets for limited pivotal movement relative thereto. Operational abrasion of the shafts and discs is substantially reduced by virtue of the hammer sets on each rotor assembly being axially aligned with the hammer sets on the other rotor assembly. Additionally, since all of the discs from may be removed from their shafts, individual discs may be replaced without the necessity of replacing the whole rotor assembly. Particle reduction efficiency within the processor housing is increased by the use within the processor housing of top and side-mounted breaker bars having particle impact surfaces sloped both horizontally and vertically.

Abstract: A hogging, sometimes known as reducing, apparatus for reducing wood waste into hog fuel, though some embodiments may also be used for reducing other materials including demolition timber, demolition masonry, mild steel scrap (thin sections), soft metal scrap, recycled cans, recycled glass, recycled plastic, soft rocks, occasionally hard rocks, recycled roading and asphalt, old tyres, and certain green garden waste. The apparatus includes a drum (40) inclined to the horizontal and into which raw material can be fed at its upper end. Rotation of the drum (40) assists driving raw material towards reducing elements (45) positioned at an angle near its (40) lower end. Screening apertures (41) allow sufficiently comminuted material to pass therethrough for removal. Optional features include internal agitators (60) for improving processing and screening, assisted drying of raw material by motor exhaust (71), and initial pre-screening of foreign material.

Abstract: A material collider having a pair of rotor assemblies respectively housed within a pair of interconnected cylindrical chambers with a plurality of disc members secured thereto, at least one thrust guide secured to the disc members and a weir secured to the inner periphery of the cylindrical chambers.

Abstract: An apparatus suitable for treating mineral material, particularly excavated earth, has two rollers that rotate in opposite directions, on which a plurality of elements is disposed, the elements serving to transport and reduce the material in case its particle size is too large. Elements that are designed to exert a notch effect onto particle sizes larger than a minimum size are provided for reducing brittle and large-particle components of the mineral material, in particular. The reduction by means of the notch effect has been proven to save energy and subject machines to low wear. The elements that produce the notch effect can also reduce wood (tree stumps).

Abstract: A bale-grouping and shredding device includes at least a rotor (4) equipped with said discs whereof the periphery is smooth. The discs (12) are provided with cutting members in the form of sectioning pairs (11). The sectioning pairs are V-shaped and co-operate with the teeth (17) of the barrier (11) to cut up and drive the products.

Abstract: A processor for reducing solids from a predefined input size to a predefined output size is provided. The processor includes a base, an enclosed cylinder, a pair of rotor assemblies (each driven by its own motor) having a plurality of disk sets, the disk sets having a plurality of hammers thereon. As the rotor assemblies spin, the hammers cause the solids to be reduced. The processor further includes two inlet ports for receiving solid material, and an outlet or discharge port for exiting the reduced solid material. Additionally, the processor includes legs for varying the incline of the inlet ports with respect to the outlet port, vanes to create lift on the inlet port side of the cylinder, flow restrictor plates to restrict solids flow within the cylinder, and baffle plates to prevent material build up within the cylinder.

Abstract: A processor for reducing solids from a predefined input size to a predefined output size is provided. The processor includes a base, an enclosed cylinder, a pair of rotor assemblies (each driven by its own motor) having a plurality of disk sets, the disk sets having a plurality of hammers thereon. As the rotor assemblies spin, the hammers cause the solids to be reduced. The processor further includes two inlet ports for receiving solid material, and an outlet or discharge port for exiting the reduced solid material. Additionally, the processor includes legs for varying the incline of the inlet ports with respect to the outlet port, vanes to create lift on the inlet port side of the cylinder, flow restrictor plates to restrict solids flow within the cylinder, and baffle plates to prevent material build up within the cylinder.

Abstract: An impacting body is mounted rotatably to a spindle provided on a principal plane of a rotor. The impacting body is mounted so that a predetermined fitting gap is provided between the impacting body and the spindle and a part of periphery of the impacting body can be positioned beyond a periphery of the rotor. The rotor is rotated at a high speed to allow the impacting body to impact on an object to be processed at least at its critical impact velocity. This enables only the top layer of the object to be processed at the part on which the impacting body has impacted to be broken instantaneously. When the rotor is moved while being rotated, the object to be processed can be cut. According to this cutting device, an object formed of a single member such as glass, ceramics, resin, metal, or the like, or a composite member thereof can be cut continuously with one kind of cutting tool.

Abstract: There is disclosed a pulverizing apparatus having paired interconnecting cylindrical chambers wherein each chamber is provided with a rotatable shaft having a plurality of disc sets mounted thereon and wherein each disc set is provided with pivotally mounted thrust guides wherein thrust guide mounted on disc sets positioned in initial stages are provided with plate members to facilitate circulation of large particles. To facilitate stage-wise flow of solids/liquid, the chambers are provided with transversely-mounted weirs members.

Abstract: A material collider system for reducing the size of solid particulate material fed into the system is disclosed. The collider system includes a pair of interconnected cylindrical chambers each having a rotatable rotor assembly which includes a plurality of disc sets and rigidly mounted thrust guides. The rotor assemblies are aligned in parallel relation and operate in a counter rotating manner. The thrust guides are mounted to the disc sets so as to extend radially outwardly of the disc sets and each thrust guide is maintained in a substantially rigid position by a shear pin. In one embodiment, the thrust guides of the two rotors are arranged in an alternating, interdigitating pattern. The disc sets may be offset along the length of the rotor assemblies such that the thrust guides form a 360 degree spiral pattern. The rotor assemblies are operated by motors secured outside of the chambers.

Abstract: The invention relates to a glass pulverizer 6 in which two rotatable flail assemblies 39 and 46 are housed within two contiguous drum-like housings 8 and 16 respectively. One housing 8 has an inlet 10 on one end and the other housing 16 has an outlet 20 located on an end furthest from the end adjacent the inlet. The housing 8 having an outlet 20 is longer than the other housing 16 thereby allowing the pulverized glass to exit the device in a relatively low speed and controlled manner. The flails may be of chain or single-link type, and are designed for ready replacement in the event of wear or damage. Replaceable liners are provided within the cylindrical housings.

Abstract: A pulverizing system for reducing the size of material including a body, a pair of rotating members at least partially disposed within said body, and at least one impeller arm attached to each of said rotating members. The impeller arm attached to one of the rotating member throws material into a substantially head-on collision with material thrown by the impeller arm attached to the other rotating member.

Abstract: This invention relates to an apparatus for comminuting rock and other material and, in particular, to a rotary driven blade apparatus which comminutes rock, drilling materials and other material by impact rather than by grinding or crushing. More particularly, the invention creates a comminution environment which maximizes the establishment of a clear trajectory for the material between the orbit of each spinning blade and a single breaker bar.

Abstract: A rock crusher comprises a pair of rotors spaced apart to define a throat therebetween and driven in opposite directions. Impactor bars on the rotors crush rock that is delivered to the rotors and passes the broken rock fragments through the throat. The rock crusher may be conveniently provided in a harvesting vehicle such as a potato harvester to crush rock that has been picked up with and separated from the crop. The rocks can be crushed to a sufficiently small size that they may be conveniently returned to the field surface, and thus the arrangement avoids the trouble and expense that would otherwise be entailed in collecting and disposing of the separated rock.

Abstract: Householders separate metal cans, plastic bottles, containers and similar items from other garbage. The crushing apparatus is carried on the recycling truck, and the driver tosses these items into the apparatus for crushing. The apparatus has a rotating crusher rotor (12) which forms a pinch-throat against a concavely-curved crusher plate (27). A crammer (40) is driven into reciprocation to cram the larger items into the mouth of the pinch-throat. A rubber pad (49) on the crush plate creates friction to assist in the grabbing the item into the mouth.

Abstract: This invention relates to an apparatus for comminuting rock and other material and, in particular, to a rotary driven blade apparatus which comminutes rock, drilling materials and other material by impact rather than by grinding or crushing. More particularly, the invention creates a comminution environment which maximizes the establishment of a clear trajectory for the material between the orbit of each spinning blade and a single breaker bar.

Abstract: An impact roll crusher for grinding up material, for example in mineral mining, employs a roll equipped with impact heads which co-operates with part of a conveyor transporting the material. The roll is rotatably mounted in a housing and a hood is connected to the housing to deflect and discharge the crushed material. The crusher roll is driven by a belt coupled to pulleys on the roll and on a drive motor shaft. The drive motor is supported by a bracket pivotably mounted on an inclined baffle wall of the hood. The roll drive adopts a position below the upper surface of the crusher housing. A tensioning device operable to adjust the tension in the drive belt is coupled to the bracket and adjusts the pivotable movement of the bracket.

Abstract: Straw shredding/dispersing apparatus shreds straw or other shreddable material into small particles and disperses the particles over land. A conveyor feeds shreddable material through a door into a housing, and into a shredder in which three sets of flail-like structure shred the shreddable material. The first two sets of flail-like structure that impact the shreddable material spin at a slower speed than the third set of such structure. A centrifugal blower sucks the shredded material through a tapered inlet, and forces the material through a directable ejector tube. The ejector tube is remotely controlled to direct both its radial and vertical orientation.

Abstract: The comminuting machine includes a housing provided with a rotary impact mechanism. A conveyor conveys infed material to the rotary impact mechanism which cooperates with an impact plate in disintegrating the infed material. A comb-like further comminuting structure follows the impact plate in the rotary direction and is arranged laterally of the rotary impact mechanism. The comb-like further comminuting structure extends over part of a discharge opening of the housing and is linked to a rear end of the impact plate. Displacement devices are provided for displacing the comb-like further comminuting structure between an operative position in which the comb-like further comminuting structure extends laterally of the rotary impact mechanism, and an inoperative position in which the comb-like further comminuting structure is pivoted away therefrom. Adjusting devices are provided for adjusting the comb-like further comminuting structure relative to the rotary impact mechanism.

Abstract: A method of sorting plastic items by measuring the effect an item has on light directed at a stream of items from a light source, then selectively removing items from the stream based on a comparison of the light measured and the light emitted from the detector is provided. The invention also includes an apparatus for separating plastic items which comprises a light source, a detector for measuring the effect an individual item has on light emitted from the detector, and sortation means for selectively removing items from the stream based on a comparison of the light emitted by the light source and that measured at the detector. A method for separating single plastic bottles from engaged interlocked bottle clusters comprising directing an air jet at an item sufficiently forceful to displace a single bottle to a collection means but insufficiently forceful to displace an interlocked bottle cluster is also provided.

Abstract: A pulverizing system which reduces the size of solid particulate material such as drill cuttings from a wellbore is disclosed. The pulverizing system includes a pair of interconnected cylindrical chambers with each chamber having a rotatable shaft with a plurality of disc sets mounted thereon. The shafts are aligned in parallel relation and operate in a counter rotating manner. Each disc set includes at least one pivotally mounted thrust guide in the form of a bar shaped member. In one embodiment, the thrust guides of the two shafts are arranged in an alternating, interdigitating pattern. The chambers are divided by transverse baffle walls into compartments, with each baffle wall having an opening therein for passage of the particulate material.

Abstract: A rotary disintegration apparatus comprises a housing with a central material input and a material outlet that is open underneath, an inner rotor fixed to a first shaft and an outer rotor fixed to a second shaft on the same axis that rotates in the opposite direction, and blade rings that follow each other in alternation having blades which are inclined in the direction of rotation, which can be coated with a protective layer, which have front and rear edges of hard wear-resistant material, and which sit on one side on retaining rings and on the other side on assembly rings forming replaceable components of annular assembly ring carriers that are connected to the shafts.

Abstract: Apparatus and method of shredding cans to produce a shredded material suitable for detinning comprises a chamber having an apertured peripheral wall. A rotor is mounted in the chamber and is moved in contra rotation to the chamber. Cans to be shredded are introduced into the chamber inwardly of the rotor which is provided with impellers. The impellers serve to partly shred the cans and throw the partly shredded cans to the peripheral wall where a bed of partly shredded cans is established. A shearing action occurs in the bed as further cans are urged against the bed by the impellers and the shredded material passes through the apertured peripheral wall to be removed from the apparatus.

Abstract: A disintegrator according to the invention comprises a milling chamber (1) accommodating rotors rotating in opposite directions relative to each other. The rotors comprise carrier discs (4, 11) and disintegrating wheels (6, 13) concentrically mounted thereon. Each disintegrating wheels (6 or 13) comprises a cylindrical shell (17) having openings (18) and milling bodies (19) provided behind the openings on one side thereof. In addition, the wheel is also provided with a pair of guard members (20, 21) installed in mutually perpendicular planes which are designed to prevent a material (15) being disintegrated from getting into spaces between the carrier discs (4, 11) and disintegrating wheels (6, 13). One guard member (20) comprises a ring mounted on the periphery of the shell (17) on the inner side thereof to extend around the group of the milling bodies (19).

Abstract: 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 a top opening. A zigzag-shaped passageway extends from the top to the bottom of the hopper and has a single double action accelerator rotor or a pair of accelerator rotors mounted therein. The rotors increase the speed of the deposited materials that are moving by gravity through the passageway by striking the material and propelling it in the same direction that it was moving prior to being struck. The coal is split upon impact against splitting grates. Chutes located beneath the splitting grates receive the coal particles which pass through sized openings formed in the grates and deposit it in a collection area. The rotors each include a shaft with a plurality of radially outwardly extending blades.

Abstract: A method and apparatus for laterally severing an asphalt layer to form a ribbon, separating the asphalt ribbon from an underlying base, elevating the separated asphalt ribbon, and fracturing the elevated asphalt ribbon by bending same. A cutting member having a leading edge which is insertable between the asphalt ribbon and base provides separation thereof along a lateral line. A ramp and elevating structure elevatingly guide the separated asphalt ribbon into a pair of breaker drums which are rotatable in opposite circumferential directions. Each breaker drum has protruding teeth which are arranged in laterally separated circumferential rows with the teeth in adjacent circumferential rows being preferably arcuately offset. Corresponding circumferential rows on the opposed breaker drums are laterally aligned and the teeth in those rows engage opposite surfaces of the asphalt ribbon during rotation of the breaker drums.

Abstract: A feeder/crusher machine for use in underground coal or ore mines for receiving and crushing mined material and feeding the crushed product to a stationary conveyor in the mine material transport system. It comprises a tramming unit supporting a feeding and crushing unit having an elongated body with a crushing section located intermediate receiving and discharge sections at opposite ends of the body. A conveyor has an upper, carrying run movable through the crushing section in a horizontal plane. A pair of breaker drums are mounted immediately above the conveyor in the crushing section and are rotatable about transversely spaced, parallel vertical axes. Because the breaker drums are rotatable about vertical axes, teeth on their peripheries move horizontally, parallel to the plane of the conveyor carrying run. Further, the teeth move in the same direction as the conveyor at the location between the drums where crushing occurs.

Abstract: An improved design for a cage mill for disintegrating or reducing materials such as ore, grain, etc., consisting of a movable and a stationary portion for housing two cooperative rotatable cage assemblies mounted on coaxial shafts, and each having two rows of impact members alternating with those of the other cage assembly. The axial length of the impact members increases radially outwardly from the axis of the two shafts, and a disk for each cage assembly has a stepped portion for mounting the longer row of impact members and the ends of the members are protected by impact rings. The stepped portion provides an offset area for nesting the ring of a preceding row to protect the ring against abrasion. For each cage assembly a tapered split ring nut arrangement at the end of the shaft forces the cage against a hub rigidly secured to the shaft, and a locking means secures the nut to the shaft.

Abstract: A roll crusher for crushing lumpy material particularly coal and other minerals comprises a conveyor trough having a trough bottom with a plurality of longitudinally extending laterally spaced chains trained to run over the trough bottom and move through a path from beneath a crushing roller of the roll crusher. The crushing roller is rotatably mounted above the trough bottom and has a rotatable shaft portion with a plurality of radially extending axially spaced and angularly offset striker portions along its length. A plurality of pushers extend laterally between and interconnect adjacent strands so as to form a chain mat type structure of the conveyor which moves along the trough beneath the crusher roll. The chains are spaced laterally apart by spacing comprising a clearance selected to be equal to or less than the maximum grain size to be formed in the material by the crusher.

Abstract: Two horizontally spaced parallel shafts (27,28) are rotatably mounted on a base plate (24) having an aperture (27a) therethrough. Each shaft has a plurality of rows of radially extending fingers (36). A casing (38,40) around the fingered portions of the shafts has an inlet throat (44) for receiving shopped strands (16). The shafts are operatively connected by a pair of gears (32,34), and a motor (30) connected to one of the shafts drives the shafts to move the fingers upwardly between the shafts for breaking up clumps of strands and carrying strands of a desired chopped length around the outer sides of the shafts for exit through the aperture. Excessively long strands become wrapped around one or the other of the shafts.