Abstract: Disclosed is a method for preparing a bimetallic perovskite loaded grapheme-like carbon nitride photocatalyst, comprising: 11) dissolving SbCl3 and AgCl in HCl solution under heating and constant stirring; then adding CsCl in the heated solution to form sediment on the bottom of the beaker; collecting the sediment and wash it with ethanol, and finally drying in an oven to obtain Cs2AgSbCl6 powder; 12) adding melamine into an aluminum oxide crucible and placing it into a muffle furnace for calcination and finally cooling to room temperature naturally to obtain g-C3N4 samples; 13) adding the Cs2AgSbCl6 bimetallic perovskite and the g-C3N4 into a solvent, and stirring after subjecting to ultrasound, and drying after centrifuging to obtain the photocatalyst. Provided is a new idea for the combination of bimetallic halide perovskite and photocatalytic material, and the preparation method has mild conditions, simple operation, and is favorable for large-scale production.

Abstract: A catalytic support for catalysis processes including a main body, at least one conduit made in said main body, said conduit having an inlet portion made on a first surface of said main body and an outlet portion made on a second surface of said main body, said first surface being opposite said second surface said main body includes a plurality of layers at least partially superposed and mutually adherent, said layers forming a plurality of recesses at the intersections and superposition of said layers, said recesses being configured to house particles of at least one catalyst element.

Abstract: The present invention relates to a catalyst for the oxidation of hydrocarbon and the selective catalytic reduction of nitrogen oxides, the catalyst comprising a substrate comprising an inlet end, an outlet end, a substrate axial length extending from the inlet end to the outlet end and a plurality of passages defined by internal walls of the substrate extending therethrough; and a coating disposed on the surface of the internal walls of the substrate, wherein the surface de-fines the interface between the passages and the internal walls, wherein the coating comprises a platinum group metal component supported on a first oxidic material and further comprises a mixed oxide of vanadium and one or more of iron, erbium, bismuth, cerium, europium, gadolinium, holmium, lanthanum, lutetium, neodymium, praseodymium, promethium, samarium, scandium, terbium, thulium, ytterbium, yttrium, molybdenum, tungsten, manganese, cobalt, nickel, copper, aluminum and antimony, wherein the mixed oxide is supported on a second oxidic

Abstract: A pillar shaped honeycomb structure for induction heating, the honeycomb structure being made of ceramics and including: an outer peripheral wall; and a partition wall disposed on an inner side of the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells penetrating from one end face to other end face to form a flow path, wherein a composite material containing a conductor and a non-conductor is provided in the cells in a region of 50% or less of the total length of the honeycomb structure from one end face, and wherein the conductor is a conductor that generates heat in response to a change in a magnetic field.

Abstract: A fixed bed, radial flow reforming reactor having an inner catalyst zone between an inlet fluid zone and an outlet fluid zone. The catalyst zone is separated into two concentric, annular zones, a first annular zone having a first solid particle material having a first catalytic activity for reforming hydrocarbons into the catalyst zone, and, a second annular zone having a second solid particle material having a second catalytic activity for reforming hydrocarbons into the catalyst zone, wherein the second catalytic activity is different. One of the materials may be inert. A divider may be used to separate the two annular zones.

Abstract: Since a few kilovolts of an application voltage is necessary to take in a biological sample, an EWOD electrode, for example, is destroyed, and the electrode becomes non-reusable for moving a droplet. Therefore, an object of the present invention is to provide a biochemical cartridge usable for multiple times for taking in a biological sample by a capillary array, for example, and a biochemical analysis device using the biochemical cartridge. In order to solve the problem, the biochemical cartridge according to the present invention includes a passage through which a sample is transported, a plurality of electrodes disposed on the passage along a direction in which a sample is transported, the plurality of electrodes being provided to transport a sample, and an opening provided opposite to the plurality of electrodes disposed on a downstream side of the passage.

Abstract: Provided are devices for automated analysis of one or more samples in single or multi-well plates or vessels, wherein the process of automated analysis comprises automated flow, wherein the samples comprise liquid or particles in a sample vessel, and wherein the devices comprise an assembly of components that enable processing of a sample for analytical assessment by fluidic and/or particle based instruments. Automated flow may comprise systems for moving samples including vacuum systems, pressure-based systems, pneumatic systems, pumps, peristaltic pumps, diaphragms, or syringes. The devices may comprise an assembly of components that enable movement in X, Y, and Z dimensions, as well as switches, microfluidic tubing, well plate block, electronic pressure controllers, pneumatic or fluidic mixing devices, components for fluid handling, sampling vessels, and mechanical components for translating or transporting system components.

Abstract: An integrated testing device and fluid module are disclosed, as well as a method of manufacture. Fluid module contains a reservoir containing a test fluid, and a control vessel. The reservoir discharges test fluid into the control vessel, which discharges the test fluid in a controlled way to a test component.

Abstract: A device is disclosed that comprises a base having first and second reservoirs, each having an inlet and an outlet, and a channel layer comprising an inlet channel in fluid communication with the inlets of the reservoirs, one or more outlet channels in fluid communication with the outlets of the reservoirs, and a channel network comprising at least one channel extending therebetween. In a forward tilted position, a first fluid circuit is formed from the outlet of the first reservoir, through the one or more outlet channels, through the channel network, through the inlet channel, to the both the inlet and outlet of the second reservoir. In a reverse tilted position a second fluid circuit is formed from the outlet of the second reservoir, through the one or more outlet channels, through the channel network, through the inlet channel, to both the inlet and outlet of the first reservoir. Methods of using the device are also disclosed.

Abstract: A microfluidic chip comprises: a first unit which has a channel for a cell sample to pass through and is configured to separate circulating tumor cells in the cell sample; a second unit, a front end of which communicates with a tail end of the first unit, and the second unit is configured to capture single cells from the separated circulating tumor cells and subject the captured single cells to closed lysis; and a gel layer which is provided at the second unit. The microfluidic chip is configured to implement the binding of a protein molecule of the single cell with an antibody in the gel layer after the single cell is lysed. A cell separation and western blotting method using the microfluidic chip comprises: lysing circulating tumor cells, capturing, and implementing the binding of a lysate with an antibody.

Abstract: The invention includes sample preparation cartridges and apparatuses. The invention provides means for lysing and optionally selectively capturing at least one compound in a sample to purify, concentrate, and/or select for the at least one compound. The invention can be used in conjunction with a sample processing instrument to create a fully-automated or near-fully-automated sample workflow.

Abstract: The present disclosure discloses a sample preliminary screening chip, a specimen detecting method and a screening device. A data processor may be configured to control a sample solution containing a specimen to be added into a preliminary screening inlet of the sample preliminary screening chip, and control the sample solution in the preliminary screening inlet to enter a channel, successively to flow through a first preliminary screening area and a second preliminary screening area, and to flow out from a preliminary screening outlet so as to store a liquid with the specimen in a first preliminary screening area. In this way, the liquid containing the specimen may be screened preliminarily.

Abstract: A microfluidic control system and method for controlling the movement of target particles in a fluid. The microfluidic system comprises a fluid channel which is provided with an inlet and a plurality of outlets, and one or more ultra-high frequency sound wave resonators which may generate a bulk acoustic wave having a frequency of about 0.5-50 GHz in the fluid channel; by means of adjusting the shape and orientation of a bulk acoustic wave generating region of the ultra-high frequency bulk acoustic wave resonator, the particles enter a vortex channel caused by the bulk acoustic wave in a solution and move according to the specified position and direction, and the particles in the solution may be controlled and separated to obtain specified particles, or obtain a purified solution after the particles are separated.

Abstract: The present application relates to a biochemical reaction test strip tube and a use method thereof, and a kit. The biochemical reaction test strip tube includes a tube portion and a cover portion. The tube portion includes: a tube body including a first chamber and a second chamber; a limit unit provided at an outer side of the tube body; and a biochemical chromatographic test strip provided inside the second chamber, where a first end of the biochemical chromatographic test strip is provided with a sample absorption pad. In this structure, different chambers are provided in the closed test tube, such that a biochemical reaction solution in one chamber is directly detected on the biochemical chromatographic test strip in another chamber, which avoids the solution leakage; and different chambers are provided at different heights, such that the chambers holding biochemical reaction reagents can be selectively heated.

Abstract: The present specification discloses collection kits for collecting a biological sample being handled by a chain-of-custody protocol and methods and uses for collecting a sample using such collection kits. In some aspects, a collection kit disclosed herein can comprise one or more identification labels, a sample collection device, one or more sample containers, and a collecting pouch. In some aspects, a collection kit disclosed herein can comprise one or more sample containers, a sample shipping container, one or more identification labels, and a collecting pouch.

Abstract: The present invention relates to a porous particle composite for PCR, wherein the porous particle composite distributes photothermal nano-elements that generate heat by absorbing light in porous particles in which nucleic acid amplification occurs through temperature control so as not to adjust the temperature of the entire sample by using a hot plate or the like but to adjust the temperature inside the particles by irradiating light to the porous particles to allow nucleic acid amplification inside thereof, thereby reducing energy consumption and shortening diagnostic time.

Abstract: A filter manufacturing method includes: folding a filter media up and down and forming a wrinkle shape composed of a plurality of bent parts and a connection part connecting adjacent bent parts among the plurality of bent parts; and forming a conductive coating layer pattern on the filter media. The filter manufacturing method further includes: electrically connecting a first end and a second end of the conductive coating layer pattern to a first power source. In particular, the conductive coating layer pattern includes a plurality of parallel patterns, and the plurality of parallel patterns are formed to be positioned on the connection part.

Abstract: A centrifugal separator for separating solids from a liquid stream has a rotating drum with a perforated outer wall, an auger in the rotating drum, and a driver that rotates the drum and the auger. The drum has an inlet at a first end for receiving the liquid stream, and a solids outlet at a second end. The auger has a helical flight with an outer edge that is immediately adjacent to an inner surface of the outer wall. The driver rotates the rotating drum to apply a centrifugal force to fluids within the rotating drum such that liquid exits via the perforated outer wall, and the auger is rotated at a different speed such that the auger removes solids from an inner surface of the rotating drum and conveys the solids toward the solids outlet.

Abstract: A fluidic oscillator, comprising an oscillator body comprising an exterior surface; an interior surface defining a three-dimensional space therein; a fluid inlet; and a fluid outlet, wherein the three-dimensional space, the fluid inlet, and the fluid outlet are in flow communication, the three-dimensional space comprises a first fluid interaction region fluidly coupled to a first pair of feedback flow paths, and a second fluid interaction region fluidly coupled to a second pair of feedback flow paths, and wherein the first and second fluid interaction regions intersect.

Abstract: A method includes: navigating a spray nozzle across and applying a coating to a region of a structure via the spray nozzle; illuminating the coating applied to the region; detecting an intensity of light emitted by the coating at the region; calculating a coating thickness of the coating applied to the region of the structure based on the intensity of light; in response to the coating thickness exceeding a threshold thickness, confirming application of the coating on the region of the structure; in response to the coating thickness falling below the threshold thickness, flagging the region of the structure for coating repair.

Abstract: A precision cleaning device for cleaning and clearing a glue-dispensing needle includes a base, a supporting unit disposed on the base, a moving unit movably connected to the supporting unit, a clearing needle connected to the moving unit and facing the supporting unit, and an adjusting unit connected to the moving unit. The adjusting unit adjusts a movement of the moving unit to drive the clearing needle to move towards the glue-dispensing needle on the supporting unit, allowing the clearing needle to pass through the glue-dispensing needle to completely clean and clear the glue-dispensing needle. The cleaning device also prolongs the service life of the glue-dispensing needle.

Abstract: A showerhead with an embedded nut is disclosed. The showerhead comprises an embedded nut within a cavity. The nut may be engaged by a bolt through an opening in the cavity to support the showerhead. The apparatus allows for the support of the showerhead without the potential for metal contamination.

Abstract: A sprinkler device for delivering an irrigation liquid for gravity-based pivot or linear irrigation systems includes a support structure having a first portion with a nozzle defining a longitudinal axis for generating a jet of liquid, and a second portion with a baffle plate pivoted thereto and facing the nozzle. The second portion includes a drive system, which has a first magnet moving with a reciprocating oscillatory motion due to a negative pressure generated by the liquid that flows through the nozzle, and is configured to move the baffle plate along, and force it to pivot with a reciprocating oscillatory motion about the longitudinal axis through a predetermined angle, to thereby deliver the liquid over a sector area of the soil. A method of delivering an irrigation liquid for gravity-based pivot or linear irrigation systems that uses such a sprinkler device.

Abstract: A mix chamber for a plural component sprayer is configured to receive first and second component materials and emit a spray of a resulting plural component material. The mix chamber includes a chamber body extending between a first end and a second end and including flat lateral sides. A ramp feature is disposed proximate the first end and is configured to contact and push first and second side seals, respectively, away from a body axis as the mix chamber shifts in a first direction through a cartridge bore to increase a gap between the first side seal and the second side seal such that the first side seal engages the first flat lateral side and the second side seal engages the second flat lateral side.

Abstract: According to one embodiment, a processing liquid supply device includes a plurality of tanks, a supply path that supplies a processing liquid to a processing device, a heating unit that heats the processing liquid, a dilution unit that dilutes the processing liquid, a new-liquid supply unit that supplies a new liquid, a common flow path through which the processing liquid of the plurality of tanks passes, a switching unit that switches between the plurality of tanks so that at least a tank is selected from which the processing liquid passes to the common flow path, a densitometer provided in the common flow path, and a control device that controls at least one of the heating unit, the dilution unit, and the new-liquid supply unit so that the concentration reaches a target value set in advance.

Abstract: An application nozzle for applying a viscous material to workpieces includes a nozzle body and an application duct for the viscous material, the duct extending inside the nozzle body from a material inlet opening to a material outlet opening. At least one filler element is located in the application duct, which filler element constricts the cross-section of the application duct and extends from a first end remote from the material inlet opening to a second end at the material outlet opening.

Abstract: A retention assembly for a hollow tubular decorating roller comprising a fixed mount member that is securable in use to a roller frame. The fixed mount member includes a first primary support formation and a first retention formation that extends radially beyond the first primary support formation. The retention assembly also includes a separable mount member that is selectively couplable with the fixed mount member. The separable mount member includes a second primary support formation and a second retention formation that extends radially beyond the second primary support formation. The first and second primary support formations are received, in use, by a respective end of a hollow tubular decorating roller. The first and second retention formations cooperate with one another while the separable mount member is coupled with the fixed mount member to in use retain a hollow tubular decorating roller therebetween.

Abstract: Some embodiments of the disclosure describe a batch coating apparatus. In some examples, the batch coating apparatus includes a fixing mechanism, a liquid holding mechanism, a liquid injection mechanism and a control device. The fixing mechanism includes a plurality of fixing portions for fixing work-pieces to be coated. The liquid holding mechanism includes a plurality of liquid tanks arranged side by side. The liquid injection mechanism includes a liquid storage portion and an infusion portion. The control device is configured to control at least one of a relative movement between the fixing mechanism and the liquid holding mechanism and a relative movement between the liquid holding mechanism and the liquid injection mechanism. The control device is configured to control the liquid injection mechanism to supply the coating liquid via the infusion portion.

Abstract: Disclosed is a slot die coater adjusting device, which adjusts a slot die coater including a lower die having a lower discharge hole for discharging a first active material slurry and an upper die having an upper discharge hole for discharging a second active material slurry, to adjust a distance between the lower discharge hole and the upper discharge hole by allowing the upper die to move. The slot die coater adjusting device includes pressing block assemblies respectively provided to both longitudinal sides of the slot die coater and fixed to the upper die; a linear motion (LM) guide disposed at a lower portion of the pressing block assembly and connected to the pressing block assembly to guide a movement of the pressing block assembly; a servo motor configured to give a power for moving the LM guide; and a reducer connected between the servo motor and the LM guide.

Abstract: A method for improvement of adhesion and distribution along the surface of coatings using a femtosecond laser is described. The process starts from chemical preparation or cleaning of the target material, surface predetermination, laser irradiation of the surface until a certain surface geometry is obtained, which gives the surface improved wetting properties and chemical surface activation which results in improved adhesion of the coatings on the target material surface. The surface geometries and dimensions to be obtained during irradiation are selected according to the properties of the coating and target material, including the laser parameters and/or the environment to obtain the desired surface geometry, considering possible geometry errors without compromising essential adhesion.

Abstract: This application relates to methods and apparatus for driving a transducer with switching drivers. A driver circuit has first and second switching drivers for driving the transducer in a bridge-tied-load configuration, each of the switching drivers having a respective output stage for controllably switching the respective driver output node between high and low switching voltages with a controlled duty cycle. Each of switching drivers is operable in a plurality of different driver modes, wherein the switching voltages are different in said different driver modes. A controller controls the driver mode of operation and the duty cycle of the switching drivers based on the input signal. The controller is configured to control the duty cycles of the first and second switching drivers within defined minimum and maximum limits of duty cycles; and to transition between driver modes of operation when the duty cycle of one of the switching drivers reaches a duty cycle limit.

Abstract: Various embodiments of the present disclosure are directed towards a semiconductor device. The semiconductor device includes an interconnect structure disposed over a semiconductor substrate. A dielectric structure is disposed over the interconnect structure. A plurality of cavities are disposed in the dielectric structure. A microelectromechanical system (MEMS) substrate is disposed over the dielectric structure, where the MEMS substrate comprises a plurality of movable membranes, and where the movable membranes overlie the cavities, respectively. A plurality of fluid communication channels are disposed in the dielectric structure, where each of the fluid communication channels extend laterally between two neighboring cavities of the cavities, such that each of the cavities are in fluid communication with one another.

Abstract: An agitating shaft for use with an agitating screen of a mechanical screening bucket is provided. The agitating shaft may include a shaft member and a spacer rail. The spacer rail may include a base having a mounting surface that engages the shaft member, protrusions extending in a direction opposite the mounting surface, and recesses formed between the plurality of protrusions. The agitating shaft may also include first agitating discs, second agitating discs, and circular spacer discs. The first agitating discs and the second agitating discs may be coupled to the shaft member and the spacer rail such that the first agitating discs and the second agitating discs engage the recesses of the spacer rail. The circular spacer discs may be coupled to the shaft member and the spacer rail such that the circular spacer discs engage the protrusions of the spacer rail.

Abstract: Systems, methods, and machine readable media are provided for relabeling items. A computing device is communicatively coupled to a scanning device, a printing device, and an inventory system. The computing device identifies at least one of the items as missing an expected label type, the expected label indicating a location where the item should be stocked. The system scans the item via the scanning device, queries the inventory system to determine a location for the item. The system prints, via the printing device, a label indicating a location where the item should be stocked in the retail facility, applies the label to the item and sorts the item, via the sorting apparatus, to transport the item to one of the outlets based on the location indicated on the label.

Abstract: A classification device and classification system for sorting and classifying bulb-type LED lighting through vision recognition from LED-mixed waste lighting having different forms of housing are provided. The classification device including: an input conveyor configured to move a plurality of LED-mixed waste lighting; a sensing part configured to obtain images of the LED-mixed waste lighting moving along a path of the input conveyor using a plurality of cameras; an analysis part configured to search for bulb-type LED lighting from the images obtained from the sensing part using an algorithm for image classification and recognition; a computation unit configured to calculate X, Y, and Z coordinate positions of an object classified as bulb-type LED lighting in the analysis part; and a conveying part configured to pick up and convey the object with the X, Y and Z coordinates calculated by the computation unit to a classifying conveyor.

Abstract: A cleaner system for an MRI magnet room. The system includes a base vacuum and/r steam unit configured to supply vacuum and/or steam, the unit disposed outside the MRI magnet room. A hand-held or portable dispensing unit is substantially free of magnetic material so that it is safe to use inside the magnet room. A tubing system for conveying vacuum and/or steam from the base unit to the handheld unit, the tubing system including a magnet room portion configured for disposition inside the magnet room and free of magnetic material. A communication link is configured to communicate control signals generated by user manipulation of a control panel to the base unit.

Abstract: A process for reducing the salinity of salt containing material (SCM) includes introducing the SCM into a wash system configured to sequentially wash the SCM with water having decreasing salinity levels across a plurality of mixing tanks arranged in series; introducing feed water into the wash system in a countercurrent flow relative to the SCM; discharging washed SCM from the wash system, the washed SCM having a lower salinity compared to the SCM that is initially introduced into the wash system; and discharging brine from the wash system, the brine being generated in a mixing tank that initially receives the SCM into the wash system.

Abstract: Embodiments of the present disclosure provide a semiconductor processing apparatus and a dielectric window cleaning method of the semiconductor processing apparatus. The semiconductor apparatus includes a reaction chamber and a dielectric window arranged in the reaction chamber, an induction coil and a cleaning electrode, both located above the dielectric window, a radio frequency (RF) source assembly configured to apply RF power to the induction coil and the cleaning electrode, an impedance adjustment assembly electrically being connected to the cleaning electrode and being in an on-off connection to the output terminal of the RF source assembly. The semiconductor processing apparatus and the dielectric window cleaning method of the semiconductor processing apparatus of embodiments of the present disclosure can achieve a physical cleaning effect and a chemical cleaning effect at simultaneously on a basis of performing cleaning on the dielectric window.

Abstract: The present disclosure relates to an apparatus and a method for wafer cleaning. The apparatus can include a wafer holder configured to hold a wafer; a cleaning nozzle configured to dispense a cleaning fluid onto a first surface (e.g., front surface) of the wafer; and a cleaning brush configured to clean a second surface (e.g., back surface) of the wafer. Using the cleaning fluid, the cleaning brush can clean the second surface of the wafer with a scrubbing motion and ultrasonic vibration.

Abstract: A cleaning jig of a disc shape used for cleaning an inside of a container while being held by a rotary holding device in a same manner as a substrate in a spin coating apparatus that supplies a processing liquid onto a substrate held by the rotary holding device disposed in the container and forms a film of the processing liquid on the substrate by rotating the substrate. A peripheral ceiling portion and a peripheral bottom portion are formed over an entire periphery of the cleaning jig, a discharge port is formed over the entire periphery between the peripheral ceiling portion and the peripheral bottom portion, a plurality of holes is formed in the peripheral bottom portion at intervals in a circumferential direction to communicate with the discharge port, and a lower surface of the peripheral ceiling portion is inclined toward an upper periphery.

Abstract: An apparatus includes a wafer stage and a particle removing assembly. The wafer stage includes a cup adjacent to a wafer chuck. The particle removing assembly is configured to remove contaminant particles from the cup. In some embodiments, the particle removing assembly comprises a flexible ejecting member that includes one or more elongated tubes, a front tip, and a cleaning tip adapter configured to attach the front tip to each of the one or more elongated tubes. The front tip includes front openings and lateral openings from which pressurized cleaning material are introduced onto an unreachable area of the cup to remove the contaminant particles from the cup.

Abstract: The purpose of the present invention is to provide: a flake-like composition that enables effective use of the waste discharged from a coal-fueled thermal power plant; and a method for producing said flake-like composition. This flake-like composition is characterized by containing, as a raw material, waste discharged from a coal-fueled thermal power plant.

Abstract: The present invention belongs to the field of energy and environmental protection and particularly relates to an organic solid waste treatment device based on chemical-looping hydrogen production and a method for using the same. The device comprises a pyrolysis reactor and a sleeve-type chemical-looping reactor, the sleeve-type chemical-looping reactor comprises an inner cavity, an outer cavity annularly wrapping the inner cavity, a syngas output device, a hydrogen output device, a pyrolysis gas inlet device, and a water vapor inlet device, and the pyrolysis reactor can generate pyrolysis gas, which then is conveyed to the sleeve-type chemical-looping reactor through the pyrolysis gas inlet device.

Abstract: A stacked circulatable microbial electrochemical reactor and a degradation method of petroleum hydrocarbon contaminated soil are provided, which belong to the field of microbial electrochemical soil remediation. The stacked circulatable microbial electrochemical reactor of the present disclosure expands influence range of anodes by a stacked microbial electrochemical system, accelerates the movement of the petroleum hydrocarbon molecules in the contaminated soil by a water circulation system, and improves the mass transfer capacity of soil, thereby increasing the degradation efficiency of petroleum hydrocarbon in the contaminated soil with microbial electrochemical technology from different aspects. The degradation method of petroleum hydrocarbon contaminated soil is provided. The degradation method of the present disclosure is simple in operation and has a high degradation efficiency of petroleum hydrocarbon in contaminated soil.

Abstract: A control system for forming a tapered structure includes a sensor providing feedback for a machine for forming a tapered structure including at least three rolls having at least one bend roll and at least two guide rolls. The guide rolls may include rollette banks having a plurality of rollettes. The machine may also include an adjustment mechanism to position at least one of the rolls, where a diameter of the tapered structure being formed is controlled by relative positions of the rolls. The machine may also include a joining element to join edges of a stock of material together as it is rolled through the rolls to form the tapered structure. The control system may also include a controller to receive feedback from the sensor and to send a control signal based on the feedback to the adjustment mechanism for positioning at least one of the rolls.

Abstract: A preforming method for a high-strength steel variable-diameter tubular part is provided, which belongs to the technical field of metal forming process. The preforming method for a high-strength steel variable-diameter tubular part includes: selecting a tubular blank; and preparing a tubular blank forming mold, where the tubular blank forming mold includes a preforming mold and a final forming mold; sealing and pressurizing the tubular blank; heating the tubular blank by using electrodes; preforming the tubular part at a constant temperature; maintaining a temperature Tl and moving the preformed tubular part to the final forming mold; finally forming the tubular part. Through two steps of operation of preforming and final forming, and maintaining a temperature during moving the tubular blank between the two steps, so that the conversion of intrametallic structure between the two steps is improved, and the performance of the tubular part is improved.

Abstract: Apparatus and methods are described for automatically closing the seam of duct work and for automatically inserting angle plates into duct work and then closing the seam of the duct work. The seam closing apparatus includes a first seam closing members for closing the top and bottom portions of the seam and a second seam closing member for closing the remainder of the seam of the duct work.

Abstract: A forming assembly for use in a can bodymaker includes a stationary assembly and a moving assembly movably coupled to the stationary assembly. The stationary assembly and the moving assembly are a unified assembly that is structured to be selectively coupled to a mounting assembly body of the can bodymaker. The moving assembly is structured to be selectively coupled to a ram drive assembly of the can bodymaker and moved with respect to the stationary assembly thereby.

Abstract: A joining tool unit including a hold-down device, a linearly movable tool, and a tool counter element. The hold-down device and the tool counter element are provided opposite each other, a workpiece lies on the tool counter element when the workpiece is arranged on the joining tool unit, and the hold-down device is arranged to be supported on a surface of the workpiece. The hold-down device has a light-guiding system, and the light-guiding system is designed to guide a light beam of a light in the direction of a joint location of the workpiece when the workpiece is arranged on the joining tool unit. The light-guiding system is provided on the hold-down device such that the light beam is irradiated onto the joint location solely at an angle which is greater than 0° relative to a movement axis of the linearly movable tool.

Abstract: A molding system for a low-pressure light alloy casting plant, extending in height along a main axis, has a mold having a lower half-mold and an upper half-mold. The molding system has a first lower fixed plate on which the lower half-mold is housed, a movable plate on which the upper half-mold is housed, a second upper fixed plate positioned at the top of the movable plate, a movement group for moving the movable plate along the main axis, having an electric drive motor and transmission members operatively connected to the electric drive motor and to the movable plate, a casting ejection group having an electric ejector motor and ejection members movable by the electric ejector motor in an ejection position in which the casting is detached from the upper half-mold, and a command unit controlling operation of the electric drive motor and of the electric ejector motor.