Abstract: Roller packages (IO) for grinding devices (70), comprising a first roller (II), which is maintained by at least one first bearing body (13), and a second roller (12), which is maintained by at least one second bearing body (14). The first bearing body (13) and the second bearing body (14) are prestressed against each other and comprise stop elements (17, 19) with stop surfaces (18, 20), the contact of which counteracts a contact of the rollers (II, 12). The rotational position of the first stop element (17) determines the minimum width of the grinding gap. Also disclosed are grinding devices (70), methods for operating a roller group (IO) and methods for determining the radial force acting between the rollers (II, 12) of a roller group (IO).

Abstract: Apparatus for comminution of dried tea leaves, herbs and other dried plants and their component parts. The apparatus facilitates gentle comminution of the comminuted commodity. The apparatus includes arrangements of driven comminuting rollers and housing (1) with an overhead inlet (6) and a bottom outlet (7) for ground commodity, and may include at least two or more rotatably driven comminuting rollers (2, 3) arranged in at least two or more levels (4, 5) one above the other. The rollers (2, 3) are studded with cams (24) for a comminution operation. Combs (15) may interface with the comminuting rollers. Comb adjusters (23) facilitate adjustment of combs that are adjustable.

Abstract: A system and method for flaking. The system includes a stationary roller, and moveable roller, and an adjustable fixator applying tension between the stationary and moveable rollers. The fixator includes a pressure transducer and a linear indicator. The transducer and indicator allow the fixator to read pressures and make fine adjustments to the fixator to obtain a desired gap between the two rollers.

Abstract: A method and an apparatus for controlling a milling roll machine capable of accurately monitoring a surface temperature of a roll and preventing a high temperature abnormality occurring on a roll surface from being overlooked are provided A temperature sensor S that monitors surface temperatures of a pair of rolls 4 and 5 and a temperature of a milled product after passing through the rolls is provided in the vicinity of the pair of rolls 4 and 5, and opening/closing control of the gap between the rolls 4 and 5 or flow rate control of the raw material stock is performed according to the surface temperatures of the rolls and the temperature of the milled product after passing through the rolls detected by the temperature sensor S.

Abstract: A bale processor has a towed body that includes one or two hay bale shredders in the form of a flail drum. The bale processor is self-loading such that bales may be loaded in the processing tubs by a set of rear mounted arms and various conveyor chains. The processor also includes a grain tank, a grain metering system, and a grain cracker, all mounted in series. The grain cracker may have a choice of outputs, including back to the grain tank. The cracked grain is fed into the tub to be mixed with other feed materials, such as shredded straw, and is then discharged to the opposite side of the unit. There may be a feed chopper mounted downstream of the tub, such that the feed chopper receives both the grain material and the shredded hay feed. The feed chopper and the grain cracker operate independently, and may have different setting of size, speed, and weight or volume per minute or per unit of distance travelled. The output may have a curtain assembly to facilitate deposit in windrows.

Abstract: A support apparatus for a first gearing and a second gearing or for a drive includes first and second support flanges, a first support mounted to the first support flange and destined to introduce a first supporting force into the second support flange, and a second support mounted on the second support flange and destined to introduce a second supporting force into the first support flange, wherein the first support is sized to extend through the second support.

Abstract: A method of upgrading a vertical spindle pulverizer includes the steps of removing a cover from a journal opening in a housing of the pulverizer to access a grinding zone of the pulverizer, removing a first journal assembly having a toroidal grinding roll from the pulverizer through the journal opening, removing a plurality of toroidal table segments from a grinding table of the pulverizer, installing a plurality of inclined bull ring segments on the grinding table, installing a second journal assembly having a conical grinding roll in the pulverizer, and replacing the cover over the journal opening. The inclined bull ring segments are configured to register with a grinding surface of the conical grinding roll.

Abstract: A brush chipper assembly has a housing and a feeder subassembly connected to the housing. The feeder subassembly includes opposed, first and second feeder rollers. When the feeder subassembly is actuated, the first feeder roller is operable to rotate in a first direction and the second feeder roller is operable to rotate in a second direction (opposite to the first direction) so as to draw the brush into the housing. Also provided is a chipping subassembly substantially contained within the housing behind the feeder subassembly. The chipping subassembly including first and second, opposed chipping heads, each of which carrying cutting teeth for chipping the brush. When the chipping subassembly is actuated, the first chipping head is operable to rotate in a third direction and the second chipping head is operable to rotate in a fourth direction (opposite to the second direction).

Abstract: The present invention relates to a roller grinder comprising two rollers, each mounted on a separate shaft, a fixation means, a guide member, and a first and a second end member. A center of the guide member is rotatably attached to the fixation means in a position, which in a horizontal direction is located centrally between said rollers. Each end of the guide member is attached to a first end of the first and second end members, respectively, by means of a joint, such that both the guide member and the first and second end members can rotate around the joint, and the first and second end members, respectively, are rotatably attached at a second end to a respective one of the shafts.

Abstract: An improved method and machine for safely and properly crushing fluorescent lamps or tubes of various types, various sizes and various configurations is described. The inventive system discloses a machine comprising a housing which can be placed in a building or facility such a hardware store or other retail establishment which is easily accessible to the public. Rewards may be provides to the party/person disposing the fluorescent tubes such as redeemable coupons, etc, The machine thus encourages the public to safety crush and dispose fluorescent lamp tubes and thereby tends to increase the rate of recycling of fluorescent tubes. the invention also proves heating means for more quickly and safely reducing the hazardous mercury vapor contained in the crushed tubes.

Abstract: The roller mill according to the invention substantially comprises a rotatable grinding table, at least one grinding roller which is retained rotatably on a pivot lever and which is in rolling engagement with the grinding table, with the pivot lever being arranged for pivoting about a pivot lever axis, and a drive train associated with the grinding roller in order to drive the grinding roller with a fixed motor.

Abstract: A kernel processing assembly includes a first roll supported in bearings on a first frame element and a second roll supported in bearings on a second frame element, that forms a slot with the first roll through which harvested crop can be conducted. A rotary bearing is arranged on the first side of the slot that retains the first frame element and the second frame element free to pivot against each other. A pre-load arrangement is arranged on the second side of the slot that pre-loads the first frame element and the second frame element against each other. The rotary bearing includes a shaft to which an eccentric is fastened that retains the first frame element free to pivot, and that the shaft is supported in bearings, free to rotate, relative to the second frame element, so that the width of the slot can be varied by rotating the shaft about its longitudinal axis.

Abstract: A roller press with a hinged frame having a frame substructure, a frame top wall and two head pieces arranged at the side, with at least one head piece, with a part of the frame top waling arranged on it, forming a side flap which is arranged on the frame substructure for opening out. In the hinged frame at least two rollers are placed, positioned adjacently, which, in a roller removal position of the hinged frame, can be removed from the hinged frame sideways via the removal opening formed by the opened-out side flap. The part of the frame top wall assigned to the side flap is arranged for swivelling relative to the head piece by means of an articulated joint arranged on the associated head piece, whereby the swivel axis of the articulated joint is arranged essentially parallel to the axes of the rollers.

Abstract: A kernel cracking assembly comprises two frames each supporting a respective one of two rollers between which kernels are crushed. A hydraulically operated actuator acts to move the frame relative to frame to set the separation of the rollers. A position sensor coupled to the actuator forms part of a closed-loop feedback circuit which serves to maintain a predetermined separation of the rollers.

Abstract: An improved two roll sugarcane crushing mill has two roll mill modules in tandem, each has a pair of main crushing rolls having a bottom roll and a top roll. The bottom and top rolls are rotatingly mounted in a pair of main frames and a pair of top beams at the two ends respectively. One end of each of the top beams is pivotally attached near an upper end of the main frames towards a feed side for swinging the top beams along with the top roll. At least one feeder roller is provided with a scraper-cum-deflector with a juice drainer in the close proximity of the main crushing rolls. The feeder rollers are mounted on an auxiliary frame which is mounted on the main frame to adjust the loading the feeder roller in a desired position.

Abstract: A roll crusher having a box-like main frame, a material inlet and material outlet, a first rotatable crushing roll on the frame and a second rotatable crushing roll mounted on a roll carriage in an opposed, spaced apart relationship to the first crushing roll defining a material crushing gap. The roll carriage is a generally rectangular frame positioned atop the main frame having one end attached to the main frame near the midpoint of the main frame by pivot. The pivot is asymmetrically positioned relative to the axes of the crushing rolls. An actuator between the main frame and the free end of the roll carriage moves the roll carriage about the pivot to adjust the gap between the first and second rolls. The jack can be equipped with a servo motor responsive to a computer program.

Abstract: The material processing mill includes a pair of rolls that each preferably have a smooth outer surface, such that material particles passing through the nip defined between the rolls are formed into flakes. One of the rolls is shiftable relative to the other, and shifting of the one roll is controlled by a roll positioning mechanism that includes a pair of piston and cylinder assemblies and associated spring reliefs. The rolls are each powered by a separate drive, which preferably includes a motor drivingly connected to the respective roll by a cogged belt. The drive for the shiftable roll particularly includes a motor base having a shiftable carrier to which the motor is fixed. The drive further includes a belt tensioning device, preferably in the form of a turnbuckle, that adjustably fixes the motor to the shiftable roll. Thus, the motor normally shifts with the shiftable roll, but the tensioning device may be used to adjust the spacing between the motor and shiftable roll to vary the tension on the belt.

Abstract: The invention relates to a roll mill with two rolls which are rotatably mounted in a machine frame and have an outer wear protection casing. In order to facilitate a particularly simple and rapid replacement of the wear protection casings on the rolls, both rolls are mounted only at one end in the machine frame.

Abstract: The material processing mill includes a pair of rolls that each preferably have a smooth outer surface, such that material particles passing through the nip defined between the rolls are formed into flakes. One of the rolls is shiftable relative to the other, and shifting of the one roll is controlled by a roll positioning mechanism that includes a pair of piston and cylinder assemblies and associated spring reliefs. The rolls are each powered by a separate drive, which preferably includes a motor drivingly connected to the respective roll by a cogged belt. The drive for the shiftable roll particularly includes a motor base having a shiftable carrier to which the motor is fixed. The drive further includes a belt tensioning device, preferably in the form of a turnbuckle, that adjustably fixes the motor to the shiftable roll. Thus, the motor normally shifts with the shiftable roll, but the tensioning device may be used to adjust the spacing between the motor and shiftable roll to vary the tension on the belt.

Abstract: A flaker mill provides for the flaking or rolling of processed grains such as corn and milo for livestock feed. The mill is powered by a relatively small motor which turns at a higher speed than the drive sheaves for the two rollers within the machine. A speed reduction transmission, such as a planetary transmission, is used to reduce the motor output speed to the proper speed to drive an output sheave from the transmission and to provide the proper torque for the two rollers. Each of the rollers has a sheave extending therefrom, for a total of only three sheaves for the entire machine to drive the two rollers. The machine does not require an idler pulley or sheave for belt tension adjustment, as the arcuate adjustment motion of the rear roller bearing housings disposed between the fixed front roller bearing housings and the transmission output, substantially compensates for positional changes in the belt run.

Abstract: At least a pair of metal rolls having different peripheral speeds with each other are removably mounted to respective rotary shafts in a cantilever form. The axial length of each of the metal rolls is between 100 and 500 mm and the peripheral speed of the high speed roll is between 12 and 30 meter/second. A cover is fitted to a milling chamber that houses therein the paired metal rolls and has a transparent member at least as a part thereof. With such an arrangement, the rolls can be replaced with ease and the milling operation carried out in the milling chamber can be easily monitored through the transparent member.

Abstract: A cereal milling machine comprising a base frame (100) to be fixedly mounted on a mill floor and at least one removable roll pack consisting of a pair of rolls (2, 4) mounted in fixed and movable bearing housing (1, 5) respectively and rotatable to form a milling nip. The movable roll bearing housing (5) is pivotally attached at (6) to the fixed bearing housing (1), and an adjustable loading means comprises a handwheel (11) connected via a lever (12), a pneumatic cylinder (13), a lever (9), an eccentric pivot (10) and a top link (7), to the movable bearing housing (5) thus to provide fine adjustment of the milling gap. With this adjustment established the rolls may be thrown in and out of grinding relationship by expanding and contracting the pneumatic cylinder (13). Thus the roll pack combines the micro-adjustment of the milling gap with an engage/disengage mechanism by way of a single compact expandable link in the form of the cylinder (13), and the handwheel assembly (11).

Abstract: A roller mill having a fixed roller and a floating roller mounted on a frame and driven in opposite directions includes two gear units for the rollers and two independent torque absorbers to minimize the transfer of torque loads to the frame. Each torque absorber has a pair of two arm levers pivoted at spaced axes on the frame so that one end of each lever is adjacent one end of the other. A first force transmitting member couples the adjacent ends of the levers to each other and a second force transmitting member couples the opposite ends of the levers to the associated gear unit.

Abstract: A roller press comprising two rollers which rotate in opposite rotational directions, the rollers being driven via two gear units mounted on the roller shafts and having means for counterbalancing the oppositely-directed torques arising in the gear units in the form of a torque reaction system, eliminating the need for a torque absorption mechanism attached to the machine frame of the roller press.

Abstract: A high pressure roller press for interparticle crushing and particularly a bearing support for one of the rolls having force means for the bearing housings urging the roll to obtain high pressure capable of interparticle crushing in the nip and a support bearing for one end of the roll having radial arms extending above and below the nip and guided in a slide permitting movement toward or away from the nip with a stepped bearing at one end of the roll with one bearing being a thrust bearing preventing axial movement and the other end of the roll being supported in a bearing permitting axial movement of the roll end. A rubber pad is located between each bearing and a force applying piston to allow tilting of the bearing and a frusto-conical link permits the pad to be larger than the piston.

Abstract: A two roll crusher including a pair of parallel rollers forming a crushing nip therebetween with gearings at the ends of the rollers and a plate connected to each of the gearings for absorbing reaction moments, torsion rods extending parallel to the plates with spaced arms of unequal length and links connecting the arms to the plates so that the reaction moments of the plate is transmitted to twist the torsion rods with the rods designed to support the weight of the gearing of the rollers.

Abstract: Disclosed is a device for automatically adjusting the roll gap between the rolls of a roll mill including simultaneously operated screw jacks which adjust the gap and a shaft mounted geared box drive to accomplish the drive of the secondary roll from the primary roll further including a drive tensioning device which permits automatic adjustment of the roll gap while maintaining tension between the drive belts utilized for driving the shaft mounted gear box. The combination permits the automatic selection and adjustment of roll gap without further adjustment to accommodate the drive to the different roll gap settings.

Abstract: 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 arranged vertically above each other on load-bearing columns (2) of a machine housing (3), and of a pair of screen units (7, 8) oscillating above the lowermost roll package (6) in opposite direction in a horizontal plane and thus with little vibration with respect to the overall device. The screen units are articulated on the machine housing (3) by relatively short levers (27', 29, 31', 33) into which the drive forces for the vibratory equipment are introduced from the center of the machine in such a manner that all rotating parts of the drive (9) are located outside the dusty screen space.

Abstract: A two roller machine, and more particularly a roll type crusher, which comprises two oppositely driven rollers rotatably seated in a housing and having gearings connected to the drive journals of the rollers, the gearings being flexibly connected to one another by torque supports for absorbing the reaction moments and said torque supports being formed as two-armed lever plates and being rigidly joined to the gearing. A considerable simplification of the torque support is inventively achieved in that levers are rotationally arranged at the outer, opposite ends of the lever plates formed as torque supports, said levers being connected to one another by a toggle link.

Abstract: The moveable roll of a rolling mill is locked in the engaged position by lock means which include a tension shaft. The tension shaft is telescoped through and biased by a compression spring toward the stationary roll. The end of the tension shaft has an eccentric which causes a housing pad to engage arms carrying the bearings of the moveable roll.

Abstract: The apparatus for feeding rolling mills, particularly for oil seed, comprises two rotatable feed rollers located in a feed mechanism housing above the rolling mill. The feed rollers are substantially vertically oriented and are rotatable in opposite directions. The housing wall running in the longitudinal direction of the feed rollers engages closely on an upwardly moving circumferential portion of the lower feed roller, in order to ensure that no material passes through in this area. All the material to be ground passes through the gap. Since the gap is formed by two feed rollers, whose surfaces move in the direction of the material, no lumps and the like collect upstream of the gap and consequently cause a non-uniform material flow. The apparatus permits a very uniform flow and simultaneously breaks up lumps.

Abstract: A roller mill, in which the milling rollers are pressed together with high pressures, has a fluidic device for imparting the respective pressure. This fluidic device comprises piston-cylinder units and a pressure line for the fluid. In order to obtain a skewing of at least one roller in dependency upon the pressure exerted by the fluidic device, pressure sensitive means are interposed between the pressure line and a displacing device for the skewing angle. In this way, a pressure signal may be transferred to a converter for converting the pressure into a corresponding displacement stroke. Preferably, at least one roller has a basic camber or crown which corresponds to a pressure within a lower range of the occurring pressures.

Abstract: A refiner for mixtures and suspensions having a non-Newtonian rheological characteristic, such as chocolate, which comprises a plurality of power driven refining rollers, and a means of changing the pressure thereof on the respective supports, wherein a means is also provided which is effective to change the actual crowning of the rollers, or the effect of an equivalent crowning, as well as a means of changing the speed of said refining rollers. The crown change is achieved by having the individual rollers supported on an oscillating support adapted to oscillate its respective roller relatively to the associated roller by rotation about an orthogonal midaxis with respect to the roller longitudinal axes, thereby a contact point is established at the roller middle area or circumference while their ends are offset. The speed of the refining rollers is changed through independent and individually operated controls, such as a DC motor.

Abstract: A method of treating a sheathing tube or fuel channel of a spent fuel box of a fuel assembly of a nuclear reactor comprises containing and reducing the volume of the sheathing tube prior to its disposal. The sheathing tube, after separation from a bottom piece of the fuel box, is placed in a protective tube. The protective tube and sheathing tube contained therein are then flattened and shaped into a convoluted form. Typically the flattening and shaping are performed in a single operation in a rolling mill, the protective tube and sheathing tube being rolled into a coil.

Abstract: An improved macerator adapted to shred crop material and having an annular perforated die ring and a roller operative within the die ring to extrude crop material through the perforations as the die ring and roller are power-rotated. The roller is journalled on a pivotable arm which is interconnected with the macerator frame by a shearable linkage permitting the roller to shift to an inoperative position if a material overload or a foreign object is encountered. A lock is automatically effective to positively retain the roller in the inoperative position until the condition can be corrected.

Abstract: The invention concerns a document shredding machine of the kind comprising two cutter assemblies, each assembly comprising a drive shaft upon which cutter discs are mounted at spaced intervals, the assemblies being mounted so that the discs of one assembly enter into the gaps between the discs of the other assembly with little or no clearance, the machine comprising a drive mechanism to rotate the drive shafts in opposite directions, so that the overlapping discs collectively act to cut material fed into the nip of the machine into narrow strips. One of the cutter assemblies is capable of movement away from its normal working position, whereby when thick documentary material is fed into the nip, as would otherwise tend to jam the machine, the cutter discs may be permitted to separate somewhat allowing the documentary material to pass through the machine without jamming.

Abstract: Apparatus for grinding cereal grain involving the controlling of grinding forces between a pair of cooperating grinding rolls, by determining the actual grain receiving gap between the rolls during rotation thereof and regulating the gap in accordance with a preset desired dimension. A pair of parallel grinding rolls are mounted for movement of one roll relative to the other in a generally radial direction. One of the rolls is yieldingly biased toward engagement with the other roll. Adjustment mechanism is operative to limit movement of the bias roll toward said other roll and to establish said preset dimension or gap between the rolls.

Abstract: A shredder includes a pair of blade assemblies operated at high speeds to receive and shred paper material, such as notes or coupons. The blades of the assemblies are disposed to contact and overlap each other. Means are provided to control the amount of overlap and loading of the blades.

Abstract: Crushing apparatus employs a pair of rotatable crusher drums mounted to rotate about vertical axes to crush material such as mineral ore, fed through a gap between the drums by means such as scraper-chain conveyor. The drums are mounted on pivoting rocker arms which are adjustable to vary the crushing gap. The drums are hollow and are driven in opposite directions by hydraulic drive motors located inside the drums. Conveniently, the hydraulic motors have rotors connected to radial flanges inside the drums and stators fixed to the rocker arms.

Abstract: A roll crushing mill of the type having a frame with two rotatably disposed crushing rolls parallel and in opposition to one another forming therebetween a crusher gap are both deflectable relative to one another, each roll being mounted on a rotary shaft, each shaft being mounted on a carriage, and the carriages being swingably pivoted on the frame.

Abstract: A device for normally maintaining a predetermined, set spacing between two associated flaking rollers of a flaking mill and for allowing the two rollers to spread apart from one another if unflakable material of a size larger than the predetermined, set spacing between the two rollers is fed therebetween. A hydraulic piston having a manually adjustable stop is mounted between the two rollers so as to maintain a predetermined, set spacing between the two rollers. A gas piston is associated with the hydraulic piston to act as a shock absorber if any unflakable material of a size larger than the predetermined, set spacing between the two rollers is fed therebetween to allow the two rollers to spread apart. The gas piston is preloaded to a pressure substantially greater than the pressure normally required to flake the material being fed between the two rollers.

Abstract: Apparatus for grinding cereal grain involving means for controlling of grinding forces between a pair of cooperating grinding rolls, by regulating the actual grain receiving gap between the rolls during rotation thereof and in accordance with a preset desired dimension. A pair of parallel grinding rolls are mounted for movement of one roll relative to the other in a generally radial direction. One of the rolls is yieldingly biased toward engagement with the other roll. Adjustment mechanism is operative to limit movement of the bias roll toward said other roll and to establish said preset dimension or gap between the rolls.

Abstract: A conventional rolling or crushing mill is provided with a fixed roller and an adjustable roller carried in a pivotable support to allow adjustment of the size of a nip formed between the rollers. Adjustment of the nip dimension is accomplished by operatively connecting the pivotable support between an upper and a lower threaded nut carried on a pivotably mounted threaded rod. Between the connection between the pivotable roller support and the lower nut is a hydraulically actuated cylinder into which is introduced a hydraulic fluid at a selected pressure from a supply to maintain the support against the upper nut under pressure and thereby maintain the adjustable roller under a like pressure during the crushing operation. If a foreign object becomes engaged in the nip, whereby the crushing pressure is exceeded, the size of the nip increases forcing fluid from the cylinder and into an accumulator connected in the supply so as to allow the foreign object to pass without unduly damaging the rollers.

Abstract: A rollermill having a pair of grinding rolls, one fixed and one movable to enable separation of the grinding surfaces thereof, the movable roll being mounted on a pair of pivoted arms, a spring being provided for urging the movable roll into grinding contact with the fixed roll, there being a pair of rigid members held against relative movement by a shear pin for non-resiliently maintaining said movable roll in grinding contact, the shear pin being adapted to fail when a roll-separating force is established in excess of the sum of the force applied by the spring and the force necessary to cause said shear pin to fail, whereby in the event of failure of said shear pin said grinding surfaces continue to be maintained in grinding relationship resiliently by said spring.

Abstract: A mobile stone crushing machine comprising a chassis on which is mounted a stone crushing unit and endless conveyor, a front end of which is adapted to collect stones from the ground as the machine is advanced over the ground, and from which the stones are continuously discharged into a stone crushing unit, characterized in that the stone crushing unit includes two crushing zones, each of which incorporates at least one crushing roller, so arranged that the stones to be crushed first pass through a nip associated with the roller at the first zone and on discharge from this nip the partially crushed stones and other matter then pass through a nip associated with the roller at the other zone. Preferably, the two crushing zones are arranged one above the other and each incorporates a pair of crushing rollers, one of which is rotatable about a fixed axis and driven and the other of which is supported upon a pair of trailing swing arms.