Abstract: A method of forming a self-cleaning film system includes depositing a perfluorocarbon siloxane polymer onto a substrate to form a first layer. The method includes removing a plurality of portions of the first layer to define a plurality of cavities in the first layer and form a plurality of projections that protrude from the substrate. The method includes depositing a photocatalytic material onto the plurality of projections and into the plurality of cavities to form a second layer comprising: a bonded portion disposed in the plurality of cavities and in contact with the substrate, and a non-bonded portion disposed on the plurality of projections and spaced apart from the substrate. The method also includes, after depositing the photocatalytic material, removing the non-bonded portion to thereby form the self-cleaning film system.

Abstract: An inorganic material for removing a harmful substance from wastewater is provided. The inorganic material includes a plurality of porous silicate particles having a glass phase structure, wherein the plurality of porous silicate particles include silicon dioxide, aluminum oxide, barium oxide, cesium oxide, and boron oxide, and have a zeta potential of a negative value at pH of from 1 to 5, and wherein the average pore diameter of the porous silicate particles is in a range of from 3 to 50 nm. Moreover, a method for preparing an inorganic material for removing a harmful substance from wastewater and a method for wastewater treatment are further provided.

Abstract: Systems and methods for recharging zirconium phosphate and zirconium oxide are provided. The systems and methods provide for recharging of the zirconium phosphate and zirconium oxide in reusable sorbent modules. The systems and methods include recharging flow paths for recharging zirconium phosphate independently or concurrently.

Abstract: Methods and systems for acid regeneration of ion exchange resins are disclosed. Acid resins designed for use in a variety of cleaning application using a water source use a treated, softened, acidic water source according to the invention. Various methods of using the softened acidic water generated by acid regenerate-able ion exchange resins are disclosed to beneficially reduce spotting, filming and scale buildup on treated surfaces, reduce and/or eliminate the need for polymers, threshold reagents and/or rinse aids, and using protons generated in the acidic water effluent for triggering events useful in various cleaning applications.

Abstract: A pipette tip (10) including: a proximal end (11) and a proximal body region (12) defining a first cavity that receives a flatted pipette member; and a distal end (13) and a distal body region (14) defining a second cavity that receives and discharges a liquid aspirated by the pipette member; the cavities are in gas-liquid communication, the first cavity is defined by various resilient surfaces as defined herein, one cylindrical surface (25) forms a gas-liquid seal with the pipette member, and which surfaces are free of, for example, an internal stop structure, a distinct sealing structure, or both. Methods of making and using the article are also disclosed.

Abstract: A measuring arrangement comprising: a support element having a longitudinal axis, wherein a sensor for ascertaining a process variable of a gaseous or liquid fluid is arranged on the support element; and the sensor, wherein the sensor has a fluid duct, which extends within the sensor. The support element has a fluid duct, and for mechanical connection of the fluid duct with the fluid duct of the sensor a bonding layer, which extends over a portion of a surface of the support element and over a portion of a surface of the sensor. The bonding layer comprises at least one fluorinated polymer. The support element has for connection of the fluid duct of the support element with the fluid duct of the sensor, in each case, at least one connection element, which protrude from the support element perpendicularly to the longitudinal axis and which protrude inwardly into the fluid duct of the sensor.

Abstract: Disclosed is a method and apparatus for manipulating fluids. The apparatus may include a microfluidic structure including inlet channels (1 and 2) and outlet channels (306, 307, 308, 309, 310, 311, 312, 313, and 314) oriented among bifurcated (5), trifurcated (6) and merging junctions (7 and 8). The apparatus splits and merges fluids flowing in the channels to produce successive dilutions of the fluids within the outlet channels. Multiple apparatus may be combined in serial, parallel, combined serial and parallel and/or stacked configurations. One or more apparatus may be used alone or to provide various devices or chambers with the diluted fluids.

Abstract: A hand-held molecular diagnostic test device includes a housing, an amplification (or PCR) module, and a detection module. The amplification module is configured to receive an input sample, and defines a reaction volume. The amplification module includes a heater such that the amplification module can perform a polymerase chain reaction (PCR) on the input sample. The detection module is configured to receive an output from the amplification module and a reagent formulated to produce a signal that indicates a presence of a target amplicon within the input sample. The amplification module and the detection module are integrated within the housing.

Abstract: A microfluidic device comprising one, two or more microchannel structures (101a-h), each of which comprises a reaction microcavity (104a-h) intended for retaining a solid phase material in the form of a wet porous bed. Each of said one, two or more microchannel structures comprises the solid phase material in a dry state together with a bed-preserving agent comprising one or more compounds having bed-preserving activity.

Abstract: Microfluidic devices for the rapid and automated processing of sample populations are provided. Described are multiplexer microfluidic devices configured to serially deliver a plurality of distinct sample populations to a sample processing element rapidly and automatically, without cross-contaminating the distinct sample populations. Also provided are microfluidic sample processing elements that can be used to rapidly and automatically manipulate and/or interrogate members of a sample population. The microfluidic devices can be used to improve the throughput and quality of experiments involving model organisms, such as C. elegans.

Abstract: Provided herein are systems, devices, and methods for generating thermal gradients in channels and uses thereof. In particular, provided herein are system, methods, and devices employing first and second thermal layers positioned around a channel in order to create a thermal gradient across a cross-section of the channel having, for example, a nucleic acid denaturation zone, a nucleic acid annealing zone, and a nucleic acid polymerization zone. Such devices find use in, for example, nucleic acid amplification procedures, including digital polymerase chain reaction (dPCR) to temperature cycle droplets for amplification of nucleic acid templates within the droplets.

Abstract: An ergonomic vial and tube rack is disclosed for retaining a plurality of vials or tubes containing fluid therein in inclined or vertical upright positions, features of which a mechanism for a variable incline angle; lid/cap receptacles positioned either on a shelf above the vial holders or inside the cover when in an open position; an ice or heat pack compartment or a sealed compartment underneath the vials and/or behind the vials for the limited temperature control; rack to rack pin-to-hole locators for stackability, ease of transportation, and storage; color-coding of vial racks for convenience and work-flow assistance; a transparent front panel or an opening in front of each vial receptacle for additional verification of reagent labels; a rack cover with rows of circular indentations, with or without a disposable lining, for use as shallow reaction dishes for qualitative or quantitative chemical assays, such as pH testing.

Abstract: Embodiments of the disclosure relate to methods of storing and using biosamples with a cartridge that includes slots for storing biosample capillary tubes. The methods include providing access to a holder inside an enclosure of the cartridge, the enclosure having a same form factor as a data tape cartridge used in an automated tape library. The holder is configured to receive a plurality of capillary tubes in the holder, the capillary tubes including one or more biosamples. Exemplary methods may also include receiving capillary tubes in the cartridge, withdrawing capillary tubes from the cartridge, scanning and/or analyzing the capillary tubes and/or biosamples. Exemplary methods may additionally or alternatively include retrieving the cartridge from a storage slot of the automated tape library, loading the cartridge onto a drive of the automated tape library, and/or receiving and/or exporting a cartridge to/from the automated tape library via a mail slot.

Abstract: In the method according to the invention for the comminution of grinding stock in a vertical roller mill, the grinding stock is fed upstream of at least one grinding roller in order to form a grinding bed and is comminuted between a grinding table and the at least one grinding roller, the grinding bed which is being formed being settable at a differing height over the width of the grinding roller by means of a feeding device.

Abstract: A method and system for processing whole hemp stalks is disclosed. The method and system use an entirety of the whole hemp stalks in producing the particulate hemp such that the particulate hemp comprises both bast fiber and shire of the original whole hemp stalks. Additionally, hemp crumbs or crumbles may be processed from whole hemp stalks, or from particulate hemp which is larger than the hemp crumbs such as hemp pellets. The hemp crumbs may be formed by crushing the hemp pellets.

Abstract: What is presented is a material processing system for processing tailings discharged from an ore processing system. The tailings comprise coarse waste rock, the fine waste rock, coarse valuable product, and the fine valuable product. The material processing system comprises a classification element, a coarse flotation element, and a fines flotation element arranged to separate the coarse valuable product, the coarse waste rock, the fine valuable product, and the fine waste rock. The classification element separates the coarse waste rock and/or the coarse valuable product from the fine waste rock and/or the fine valuable product. The coarse flotation element separates the coarse waste rock from the coarse valuable product, the fine waste rock, and/or the fine valuable product. The fines flotation element separates the fine valuable product from the coarse waste rock, the fine waste rock, and/or the coarse valuable product.

Abstract: A method of recycling a filler included in artificial turf by sorting the filler into two or more materials, including: a first sorting operation of sorting the two or more materials based on a grain size; and a second sorting operation of sorting the materials, which are sorted by the first sorting operation and have grain sizes belonging to a predetermined range, based on specific gravity.

Abstract: Example apparatus, systems and methods to desalt a sample are disclosed. An example method includes introducing a sample into an apparatus, in which the apparatus includes a sensor coupled to a substrate and an electrode. The example method also includes applying, via the electrode, an electric potential to the sample to redistribute ions in the sample relative to the sensor.

Abstract: The present disclosure relates to a centrifugal separator (1), which comprises a rotatable drum (5) having a wall (50), an annular chamber (7), defined along the longitudinal axis (49) of the rotatable drum (5) and bordering the wall (50), an annular screw feeder (90) accommodated rotatably in the annular chamber (7) for moving a mixture of substances in the liquid phase and in the solid phase longitudinally through the annular chamber (7), and separation nets (100) arranged in the wall (50) of the rotatable drum (5). The separation nets (100) have meshes for filtering the solid phase from the liquid phase by rotation of the drum (5). The separation nets (100) are movable relative to the wall (50).

Abstract: The disclosure relates to a centrifuge with a balancing mechanism and method of balancing such a centrifuge. The centrifuge includes a vertical shaft driven in rotation by a motor, and a mechanism for balancing the parts integral with said vertical shaft. The mechanism includes a plate integral with the vertical shaft, at least one compensating mass freely displacing on the plate, the mass being designed to limit the imbalance of parts integral with the vertical shaft, and a mechanism for blocking the compensating mass, the blocking mechanism being designed to immobilize the compensating mass on the plate when the rotation speed exceeds a determined value.

Abstract: A centrifugal air cleaning system broadly comprises an insert cartridge including a housing, an inlet, one or more flow guides, a stator, a compression nozzle, an expansion nozzle, and an outlet. The flow guides guide air flowing into the inlet past the stator into the compression nozzle. The stator induces a rotational vortex into the air flow. Air with heavier particles in the air flow is urged to the outside of the rotational vortex. Air with lighter particles and cleaner air is urged to the inside of the rotational vortex. The compression nozzle and the expansion nozzle are aligned to cooperatively form an annular exhaust channel. The air with the heavier particles flows through the annular exhaust channel and the air with the lighter particles and the cleaner air flows to the expansion nozzle to the outlet.

Abstract: Device for containing fluid substance, including a bag having at least one flexible side wall, a substantially rigid neck delimiting an opening giving access to an internal cavity of the bag, shaped to at least partially accommodate a pumping member for pumping the fluid substance, and provided with a connector for connection to an external container. The bag is made from multilayer material, and the neck is made from a material different from bag material and includes a cup-shaped element having a bottom wall with at least one opening, and a side wall on the outer surface of which the upper edge of the bag is hermetically connected. The device includes a valve element for moving from an opening position, wherein the valve element makes the bag internal cavity accessible, and a closing position, wherein the valve element inhibits access to the internal cavity.

Abstract: Exemplary coating methods and coating systems, e.g., for coating the component surface of a component with a coating agent by means of an atomizer in a coating system, for example to paint a body part of a motor vehicle with paint, are disclosed. An exemplary method comprises moving the atomizer over the component surface of the component to be coated, or moving the component in the spray jet, thereby applying the coating agent to the component surface by means of the atomizer. The atomizer may be operated with at least one electrical and/or kinematic operating variable comprising a certain voltage for the electrostatic charging of the coating agent and/or a certain rotational speed of a rotating spray element of the atomizer. In one example, the electrical and/or kinematic operating variable of the atomizer may be dynamically varied during the movement of the atomizer.

Abstract: A method and polishing device for polishing a vehicle tire. An polishing agent application means is moved in relation to a tire of a stationary vehicle and polishing agent is applied on the side of the vehicle tire as the application means moves in relation to the tire of the stationary vehicle.

Abstract: A method and system for treating objects, the objects are conveyed through a treatment cabin and treated in a treatment space. During treatment solvents are released. Cabin air flows through the treatment space, which absorbs solvents and is discharged as process air from the treatment space. At least one proportion of the process air charged with solvent is recycled in the treatment space and at least one proportion of the process air can be discharged as exhaust air. Fresh air is fed to the treatment space, which contributes to the cabin air, such that the cabin air includes a circulating air proportion and a fresh air proportion. The solvent concentration is captured in the cabin air and/or in the process air and/or in the exhaust air and the circulating air proportion and the fresh air proportion of the cabin air are regulated as a function of the captured solvent concentration.

Abstract: A nozzle assembly with a self-cleaning face is provided, having a nozzle body with a liquid flow path defined therethrough with an inlet and a spray outlet. The nozzle body is mounted in a carrier body, and an annular gas flow channel is located about the nozzle body with a gas discharge outlet defined around the spray outlet. A porous surface is located about the annular gas flow channel at the gas discharge outlet. A radiused surface is formed in the carrier body at the air discharge outlet. A pathway is in communication with the porous surface and adapted to provide a low velocity fluid discharge from the porous surface. A spray device and method are also provided using the nozzle assembly with the self-cleaning face. An adaptor for retrofitting an existing nozzle is also provided.

Abstract: A system and method for the packaging of a synthetic jet actuator is disclosed. A synthetic jet actuator is provided that includes a first plate, a second plate spaced apart from the first plate and arranged parallelly thereto, and a housing positioned about the first and second plates and defining a chamber. The housing includes at least one orifice therein such that the chamber is in fluid communication with an external environment. The synthetic jet actuator also includes a mounting mechanism configured to mount the first and second plates within the housing in a suspended arrangement and an actuator element coupled to at least one of the first and second plates to selectively cause deflection thereof, thereby changing a volume within the chamber so that a series of fluid vortices are generated and projected to the external environment out from the at least one orifice of the housing.

Abstract: The present invention discloses an electronic fountain candle, comprising a candle body, wherein a chamber is formed in the candle body, a stepped water storage tank is arranged in the chamber, and a cover plate is connected to steps of the water storage tank; a first through hole and a plurality of second through holes are formed in the cover plate, a top of the first through hole is higher than an upper surface of the cover plate, a plurality of first light emitting diodes are arranged on two sides of the top of the first through hole, and a bottom of the first through hole is lower than a lower surface of the cover plate and is connected with a water pump; tops of the second through holes are higher than the upper surface of the cover plate; and a power unit.

Abstract: A feed assembly for a melter includes a funnel, an inlet into the funnel, and a fan baffle situated atop the funnel. The funnel is oriented along a vertical axis, and has a funnel surface that narrows towards an outlet into the melter. The inlet is angled tangent to and downward towards the funnel surface to inject meltable pellets onto the funnel surface in a vortex pattern. The fan baffle is situated atop the funnel, and has a plurality of blades angled to oppose the vortex pattern so as to permit airflow but redirect the meltable pellets from the inlet towards the funnel surface.

Abstract: A hot melt adhesive supply system is disclosed. The hot melt adhesive supply system includes an outer container defining an upper cavity and a lower cavity. The upper cavity includes an inner container having a top opening to receive unmelted hot melt adhesive pieces and a bottom aperture. The system also includes a dispensing mechanism between the upper cavity and the lower cavity. The dispensing mechanism regulates the dispensing of the unmelted hot melt adhesive pieces from the upper cavity to the lower cavity. The dispensing mechanism includes a base plate and one or more rotating members that rotate to move the unmelted hot melt adhesive pieces through a gap defined between the base plate and the bottom aperture. The system also includes a transfer conduit that communicates the unmelted hot melt adhesive pieces from the lower cavity to a hot melt adhesive melter.

Abstract: A capsule for mixing and dispensing a dental material which has a body forming a cavity. The cavity is closed by a liquid container. The body and the liquid container in combination form a mixing chamber containing a first component of the dental material. The liquid container has a cup-shaped cartridge formed by a cartridge front wall and a cartridge side wall and having a rear opening. A plug is movably joined within the cartridge through the rear opening for extruding a liquid second component of the dental material. The cartridge further has a channel extending through the cartridge side wall for releasing the second component into the mixing chamber. The body side wall inwardly has a recess being dimensioned for establishing a fluid communication between the channel and the cavity in an activated position, where the activated position corresponds to a second axial position of a two different axial positions of the of the cartridge and the body relative to each other.

Abstract: A dispensing apparatus is suitable for the reception of a collapsible cartridge including a dispensable medium. The cartridge and the sleeve can be arranged with respect to one another such that the sleeve can support a cartridge wall of the cartridge in at least one section thereof during dispensing of the medium. A length of the sleeve can be changed substantially parallel to a dispensing direction.

Abstract: A deposition device for controlled deposition of reinforcing fiber bundles on a surface, including a deposition head and a controllable positioning unit, means for providing at least one strand of reinforcing fibers provided with a binder, and a first conveying device, arranged on the deposition head conveys the at least one strand to the deposition head, wherein, when viewed in the conveying direction, means for spreading the at least one strand are arranged on the deposition head, and the deposition head has a second conveying device arranged after the first conveying device, a longitudinal splitting device, arranged between the first and second conveying devices, with at least one splitting element for splitting the at least one strand along the longitudinal extension thereof into two or more partial strands, and a cut-to-length unit arranged after the second conveying device for cutting-to-length the two or more partial strands into fiber bundles.

Abstract: An exterior panel for a kitchen appliance includes a metallic substrate having a predetermined surface pattern on at least one side of the metallic substrate, wherein the metallic substrate is formed to include a predetermined contour. A coating layer is an organic paint coating composition on the at least one side of the metallic substrate, the coating layer including a predetermined color and a fingerprint resistive surface, wherein the coating layer is at least partially translucent such that the predetermined surface pattern is visible with the naked eye through the coating layer, and wherein the predetermined surface pattern is modified by the coating layer to reflect the combination of the predetermined surface pattern and the predetermined color of the coating layer.

Abstract: A device for applying a liquid coating material to a portion of a fastening element projecting from a surface of a first component fastened to a second component by the fastening element. A bristle arrangement comprising a carrier structure defining an interior space and a first opening. The carrier structure comprises an annular portion extending from the first opening and extending around an entire circumference of the interior space. The bristle arrangement comprises bristles secured to the carrier structure and extending from the carrier structure into the interior space. A casing comprises an interior chamber, a second opening wherein objects are insertable from outside the casing through the openings into the interior space, and at least one through-hole providing access to the plurality of bristles and allowing introduction of a liquid coating material into the interior chamber and to the bristles. A method is disclosed for applying liquid coating material.

Abstract: A method of manufacturing a film includes disposing a substrate under one side of a baffle plate in a film manufacturing space, the baffle plate having a plurality of through-holes, and spraying an inert gas toward the substrate through a plurality of nozzle tips branched from a gas distribution pipe that is disposed over an other side of the baffle plate such that the inert gas penetrates the baffle plate through the through-holes.

Abstract: One aspect of the present invention is a laminated coating film structure having a laminated coating film that renders a specific color on a coated object, wherein the laminated coating film is provided with a first layer arranged on the side close to the coated object and containing a pigment in which the mean particle diameter is ½ or more the wavelength of the specific color but 2 um or less, and a second layer arranged on the side far from the coated object and containing a pigment in which the mean particle diameter is 0.05 um or more but less than ½ the wavelength of the specific color.

Abstract: An ultrasonic transducer that can include a driver side and a bias voltage side. A higher voltage source can be electrically connected to the bias voltage side through a first resistor. A lower voltage source can be electrically connected to the driver side of through a second resistor. A field effect transistor or other suitable switch can be included, having a source, a gate and a drain. The source can be electrically connected to ground and the gate can be electrically connected to a control signal source. The drain can be electrically connected to the lower voltage source through a second resistor and be electrically connected to the driver side of the ultrasonic transducer. The gate can be electrically connected to a signal source through a third resistor.

Abstract: The invention relates to a separation-apparatus for separating from a particle-stream at least a first fraction with particles of a first group of dimensions, and a second fraction with particles of a second group of dimensions, comprising an infeed-device for the particle-stream, a rotatable drum having at its circumference plates, each plate having a radially extending hitting surface for the particles, at least a first receiving area proximal to the drum for receipt therein of particles of the first fraction, and at least a second receiving area distant from the drum for receipt therein of particles of the second fraction, wherein the apparatus has a housing so as to protect the particles from outside weather-conditions, allowing that the particles of the particle-stream to be processed by said apparatus have dimensions in the range 0-15 mm.

Abstract: A method and apparatus are provided for sorting or retrieving items to/from a plurality of destinations areas. The items are loaded onto one of a plurality of independently controlled delivery vehicles. The delivery vehicles follow a track that guides the delivery vehicles to/from the destination areas, which are positioned along the track. Once at the appropriate destination area, an item is transferred between the delivery vehicle and the destination area.

Abstract: Sorting device comprising several sorting carts, which can be moved along a sorting track in a transport direction and in each case are provided with a load receiving device for controlled receipt and delivery of individually packaged goods, with a quantity of discharge points at which individually packaged goods can be specifically delivered according to a respective sorting destination from the sorting carts, wherein each discharge point has a width, wherein the width of at least some discharge points can be adjusted while the sorting device is operating, and method for sorting individually packaged goods using the device.

Abstract: A food article defect removal apparatus includes a manifold that defines one or more chambers for holding pressurized fluid. First channels extend from a first side of the manifold into fluid communication with the chambers. Second channels extend from the first side of the manifold to a second side of the manifold. Valves selectively connect corresponding first channels and second channels together to dispense the pressurized fluid from the manifold. The manifold can have an exterior wall that at least partially defines a first chamber and a second chamber, with an interior wall disposed between the first chamber and the second chamber. The interior wall can define the second channels. The valves can be included with a valve assembly, which includes a driver operably coupled with the valves. The valves can be pluggably coupled with the driver.

Abstract: A mask-cleaning apparatus includes a frame, a wet cleaning mechanism supported on the frame, and a dry cleaning mechanism supported on the frame and located after the wet cleaning mechanism in a direction of feeding a clean-room wiper. The wet cleaning mechanism wipes a mask before the dry cleaning mechanism wipes the mask. Each of the wet and dry cleaning mechanisms includes a wiping module that includes a vertical plate, a feeder reel, a retriever reel, direction-changing rollers and a pushing roller. The wiping module of the wet cleaning mechanism includes a sprayer mechanism adapted for spraying cleaning liquid onto a portion of the clean-room wiper on the pushing roller.

Abstract: The disclosure herein provides devices and methods for dispensing fluids and wiping surfaces. A cleaning device comprises a housing comprising an outer housing portion and an inner housing portion, the outer housing portion configured to be grasped and manipulated by a user; a dispenser comprising a porous or fluid permeable material, the dispenser positioned at least partially within a dispenser cavity of the inner housing portion; and a wiper comprising a wiping surface, wherein at least a portion of the wiper is positioned within a wiper cavity of the outer housing portion.

Abstract: An in-situ foam generation apparatus includes a dissolution chamber that houses a polymer stick cavity or canister, a mixing chamber that houses a static mixer, and a foaming chamber that houses a mechanical agitator in fluid communication with a compressed air inlet. The chambers are in fluid communication with one another by way of a respective chamber inlet and outlet, with the mixing chamber being located between the dissolution and foaming chambers. A pressure regulator can be used to control the incoming aqueous solution pressure to the dissolution chamber. A nozzle exhaust is in fluid communication with the outlet of the foaming chamber. One or more polymer sticks that include one or more cleaning agent can be loaded into the cavity or canister of the dissolution chamber. An end consistency of the polymer stick can be in a range of partially solidified to fully solidified.

Abstract: A method of cleaning a vessel having deposits on an interior surface includes removably bonding an ultrasonic transducer to an external wall of the vessel and using the ultrasonic transducer to produce ultrasonic energy coupled into the vessel wall such that at least a portion of the ultrasonic energy is transmitted to the interior surface.

Abstract: A process for treating waste from a pithead power plant and sequestrating carbon dioxide discharged therefrom is provided. A mixed material of solid waste from the power plant, cement and a mixing liquid is filled into a depleted coal mine and compacted. A hydrating liquid is then injected into the filler after compaction to cause hydration. After that, carbon dioxide discharged from the power plant is injected to mineralize the carbon dioxide, thereby achieving carbon dioxide sequestration and reinforcement of the depleted coal mine. The invention utilizes abundant basic oxides present in the solid waste, and the fact that calcium hydroxide and tobermorite present in the hydrated cement chemically react with the injected carbon dioxide to produce stable carbonates in solid, and thus simultaneously achieves carbon dioxide sequestration, treatment of solid waste, and reinforcement of a depleted coal mine.

Abstract: A rolling plant (R) for rolling tubes having a multi-stand rolling mill (5) with two or more rolls, in order to implement a controlled speed mandrel rolling process, comprises a hooking and releasing device (61) which is arranged in the inlet area of the rolling mill (5) to cooperate with the rear tang of the mandrel (31) and a hooking and releasing device (71) which is arranged in the outlet area of the rolling mill (5) to cooperate with the front tang of the mandrel (31) in coordinated manner with the first hooking and releasing device (61).

Abstract: An apparatus for bending metal beams and methods of using the same are provided herein.

Abstract: A method for producing a torsional profile from a tubular hollow profile, the torsional profile being provided, over its entire length, with spaced-apart walls, is provided. The method includes placing the tubular hollow profile into a first deformation die, positioning the ends of the tubular hollow profile in the first deformation die by means of in each case one tapering first mandrel which extends into a torsional region, positioning the tubular hollow profile over its longitudinal extent in the first deformation die, deforming the tubular hollow profile over its longitudinal extent in the torsional region by means of a first punch, with a reduction in the tube cross-sectional area in the torsional region, and removing the first punch and the first mandrels.