Abstract: The invention is directed to a pipette assembly that includes a pipette device, a pipette tip, and an expanding mandrel collet coupling device coupling the tip to the pipette device, the coupling device comprising a central body, a spacer with cogs circumscribing a central body, an expanding mandrel collet circumscribing the spacer having an annular base and circumferentially spaced apart upwardly extending collet arms wherein the cogs protrude through spaces between the arms, and an elastomeric element circumscribing the central body. The collet arms are attached to the annular base and configured to expand between a first and a second greater circumference for engaging a first interior working surface of the tip in concurrence with the elastomeric element sealing against a second interior working surface below the first surface and in concurrence with an abutment between the cogs and a stepped interior shoulder of the pipette tip disposed between the first and second working surfaces.

Abstract: Provided are a device and a cleaning mechanism for a reaction container in the device that are characterized by being provided with: a reaction disk for holding a reaction container; a sample dispensing mechanism for dispensing a sample to the reaction container; a reagent dispensing mechanism for dispensing a reagent to the reaction container; an optical system comprising a light source for applying light to a mixture of the sample and the reagent dispensed to the reaction container, and a detector for detecting the light applied from the light source; and a cleaning mechanism for cleaning the reaction container, wherein the cleaning mechanism is provided with a cleaning liquid supply nozzle for supplying a cleaning liquid to the reaction container after an analysis, a cleaning liquid suction nozzle for suctioning the supplied cleaning liquid, and a cleaning tip provided on the lower end of the cleaning liquid suction nozzle, and the side surface of the cleaning tip is formed such that the width of the clean

Abstract: A cone crusher may include a crushing cone held on a driven eccentric bushing. The eccentric bushing may rotate in a radial direction about a spindle. The spindle may be fixedly clamped in a spindle receptacle provided in a housing lower part. The spindle may comprise a cylindrical upper bearing portion that is braced in a bore that forms the spindle receptacle by way of an upper mechanical clamping device.

Abstract: An agitator ball mill with a fluid circuit, which includes a grinding container and a casing container disposed around the latter uniformly spaced apart axially with a cavity formed between the containers. The fluid circuit is led at at least one flange through at least one flange lead-through introduced there, wherein a first opening of the at least one flange lead-through is constituted in a side wall of the corresponding flange lying orthogonal to the outer surface of the casing container.

Abstract: The invention relates to a granulator having a cutting device which is driven by a drive device and to which a material strand can be supplied, for example by means of a conveying device. The drive device is accommodated in a granulator housing. The cutting device and optionally also the conveying device are arranged in a separate module housing, which is connected in a detachable manner to the granulator housing and can be removed from same. The cutting device and/or the conveying device are connected to the respective drive device via detachable couplings. The cutting device and optionally also the conveying device can be removed from the granulator housing as a unit together with the module housing.

Abstract: A discharge device for shredded organic matter from a shredder, wherein the device includes a rotatable shaft on which a fan element is provided which is configured to project the shredded matter in the direction of the discharge side of the discharge device, and displacement apparatuses which are configured to move at least part of the shredded matter in the direction of the fan element. The invention furthermore concerns a shredder provided with such a discharge device.

Abstract: A system for processing material has a power supply and a machine having a hopper for receiving and passing material to an auger. The auger has a shaft with an axis about which it rotates, a helical flighting mounted to the shaft, pins mounted to the helical flighting, and paddles mounted to the shaft. The radial outer edge of the helical flighting is crenelated with periodic notches that form rectangular blades on the helical flighting. The pins are rotationally and angularly aligned with leading edges of the rectangular blades. The system may include a vehicle, such as a trailer, having first and second compartments separated by a partition. The power supply is located in the first compartment and has a power supply member extending though the partition. The machine is located in the second compartment and coupled to the power supply member.

Abstract: Provided is a solid fuel pulverizing device (100) provided with: a ventilation unit (30) configured to ventilate an interior of a housing (11) with primary air for supplying a solid fuel pulverized by a roller (13) to a classifier (16); a pressure detector (50) configured to detect an internal pressure of the housing (11) relative to a reference pressure; a flow rate detector (60) configured to detect a flow rate of the primary air blown into the interior of the housing (11) by the ventilation unit (30); and a controller (40) configured to perform control and transition the solid fuel pulverizing device (100) to a stopped state upon the internal pressure detected by the pressure detector (50) being a predetermined pressure or higher and the flow rate of the primary air detected by the flow rate detector (60) being a predetermined flow rate or less.

Abstract: An apparatus including a rotor position detection unit with a sensor configured to detect an angular position of a rotor of a horizontal shaft impact crusher, the rotor having attached thereon a group of hammers. A motor control system is configured to change the rotation speed of the rotor and an automation and control system is configured to control the motor control system in response to the detected angular position of the rotor. The rotor position detection unit is configured to detect a first and second angular position of the rotor corresponding to a first and second position of a hammer of the group of hammers attached to the rotor. The motor control system comprises a frequency converter and a brake configured to enable the stopping of the rotor.

Abstract: A separation system for separating solids from a slurry of waste material, the separation system comprising a housing, a drum assembly, and a drive assembly. The housing defines a collection chamber. Liquid within the collection chamber defines a liquid level. The drum assembly defines a perforated cylindrical wall and the drum assembly is supported such that at least a portion of the drum assembly is below the liquid level. The drive assembly rotates the drum assembly relative to the housing.

Abstract: According to the invention there is provided a method of processing a mixture of minerals including the steps of: (a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals; (b) achieving a contact between the mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to the metal containing mineral; and (c) separating the gangue minerals and the polymeric material which has the metal containing mineral bound thereto.

Abstract: A blood washing system including a rotor defining an internal chamber and a skimmer assembly configured to move a withdrawal needle within the internal chamber. A multi-component fluid, such as a whole blood sample, can be fed into the internal chamber via a feed tube, where the rotor can be rotated to fractionate the multi-component fluid. A brake can be applied to the rotor to cease rotation or rotated at a slower speed to allow the fractions of the multi-component to settle on a bottom wall of the rotor. The withdrawal needle is moveable within the internal chamber to align an orifice of the withdrawal needle for withdrawing the liquid fractions and isolate the solid fractions. Wash fluids can be added to the internal chamber to repeat the wash cycle without removing the solid fractions. The washed solid fractions can be withdrawn via the feed tube and collected.

Abstract: An apparatus for collection of heavier particles such as gold flowing in a river includes a support frame with legs for mounting in the river spaced from the bed with a series of drum mounted on the support frame one behind the other for rotation about an axis transverse to the river flow. The drums have a plurality of blades mounted so that flow of water in the river causes a rotation of the drum, a plurality of water entry openings and a plurality of discharge openings in the drum with the drum shaped such that rotation causes a centrifugal action such that the heavier particles remain within the drum against escape from the drum while lighter particles and water are discharged.

Abstract: A hygienic spray deflector apparatus includes an inlet opening, an outlet opening, and at least one wall that encloses a space between the inlet opening and the outlet opening. The hygienic spray deflector further includes a spray deflector in the space between the inlet opening and the outlet opening. The spray deflector is configured to deflect fluid that enters the hygienic spray deflector through the inlet opening. The hygienic spray deflector further includes a connector between the spray deflector and the at least one wall. The connector is configured to fix the spray deflector in place within the space. The connector is configured to allow air flow between the inlet opening and the outlet opening.

Abstract: The personal cooling misting system disclosed provides for a wearable fluid reservoir to contain a volume of misting fluid, and an electrically operated pump proximate to the reservoir to pump the misting fluid from the reservoir to a misting head. The misting head facilitates atomizing the misting fluid. The system further provides for feed tubing to direct the misting fluid from the reservoir to the pump, and distributive tubing to direct the misting fluid from the pump to the misting head. The system also includes a pump control to control at least one of a pressure and a flow rate of the misting fluid through at least one of the feed tubing and distributive tubing, and the system includes a programmable circuit board to facilitate system control via the pump control, as well as directing to the pump control a misting distribution pattern for at least one of a consistent or intermittent misting pattern.

Abstract: A multiple pre-orifice apparatus for a sprayer nozzle body with an upper end connected to a liquid source, a nozzle tip releasably mounted at a lower end thereof, and a channel between the upper and lower ends of the nozzle body. The apparatus comprises a sleeve assembly comprising a sleeve closed at an upper portion thereof by a top orifice plate defining a top orifice, and closed at a lower portion thereof by a bottom orifice plate defining a bottom orifice such that a sleeve turbulence chamber is formed between the top and bottom orifice plates. The sleeve assembly is secured in the channel such that a nozzle turbulence chamber is formed between the bottom orifice plate and the nozzle tip. The area of the flow opening in the nozzle tip is greater than the area of the top orifice which is greater than the area of the bottom orifice.

Abstract: A device that assists in lubricating installed door hinges is disclosed. This invention isolates aerosol propelled lubricant to the specific area of an installed door hinge while preventing overspray and containing the lubricating liquid within the device.

Abstract: An ultrasonic vibrator driving apparatus applies a sine-waveform alternating voltage as a drive voltage via a conversion circuit to an ultrasonic vibrator that has a unique resonance frequency. A first current detector that detects a first current that flows from the drive voltage generator to the conversion circuit and a second current detector that detects a second current that flows from the conversion circuit to the ultrasonic vibrator are included. A frequency controller performs control on the drive voltage generator to change the frequency of a square-waveform alternating voltage so that the difference between the first current and the second current is reduced or approaches a minimum.

Abstract: Systems and methods for dispensing liquid materials as may be used in applications for coating flexible films and the like. Such a film may be coated by dispensing a rheological material onto its surface while drawing the film through a gap between a pair of rollers. The gap defines the thickness of a layer of the material applied to the film and is maintained at a desired width by microwires positioned through the gap. Another film across the gap from that to which the rheological material is applied aids in the coating of the layer and a contact area of the second film may be adjusted relative to the gap, e.g., when changing materials or when the coating film becomes abraded or deformed.

Abstract: Disclosed herein are methods comprising illuminating a first location of an optothermal substrate with electromagnetic radiation, wherein the optothermal substrate converts at least a portion of the electromagnetic radiation into thermal energy. The optothermal substrate can be in thermal contact with a liquid sample comprising a plurality of capped particles and a plurality of surfactant micelles, the liquid sample having a first temperature. The methods can further comprise generating a confinement region at a location in the liquid sample proximate to the first location of the optothermal substrate, wherein at least a portion of the confinement region has a second temperature that is greater than the first temperature such that the confinement region is bound by a temperature gradient. The methods can further comprise trapping and depositing at least a portion of the plurality of capped particles.

Abstract: Disclosed is a manufacturing method for an ultrathin white covering film. The ultrathin white covering film includes a protecting film, a white ink layer, an adhesive layer and a release material, wherein the manufacturing method for the ultrathin white covering film includes the following steps: S101: preparing white ink and an adhesive; S102: coating the white ink on the protecting film and drying to form a white ink layer; S103: coating the adhesive on the white ink layer and drying to form a adhesive layer; S104: compounding the release material on the adhesive layer and coiling under certain compound temperature and compound pressure; and S105: curing to obtain the ultrathin white covering film. The present invention reduces a polyimide film layer, reduces a use part from three layers to two layers, can greatly reduce the thickness of a product, make an appearance of the product better, and greatly reduces the price.

Abstract: A vibration data generation device that generates vibration data for a vibration reproduction device, which has a plurality of vibrators, in order to control each vibrators, includes an acquisition part that acquires information indicating a virtual vibration source which is input to an input part and a generation part that generates vibration data which includes a vibration pattern of each of the plurality of vibrators of the vibration reproduction device for reproducing a position of the acquired virtual vibration source.

Abstract: The present application discloses a microtome. The microtome includes: a blade cutting a soft material in a first direction, the first direction being a feeding direction of the soft material; a blade holder holding the blade; an actuator providing a vibration in a second direction along a cutting edge of the blade; and a frequency-tunable resonator driven by the actuator into vibration and fixedly connected to the blade holder to transfer the vibration to the blade holder and the blade, the resonator having a tunable resonant frequency in the second direction.

Abstract: A structure that prevents a substrate from being warped is provided on a region or a location other than a membrane that determines the characteristics of a CMUT. In a CMUT in a structure in which a first conductive layer and a second conductive layer are provided sandwiching a cavity on a substrate, for example, as a warpage prevention structure, a warpage prevention layer that prevents the substrate from being warped is provided between the substrate and the first conductive film. When the insulating film disposed between the cavity and the first conductive film and the insulating film disposed between the cavity and the second conductive film are silicon oxide films, the warpage prevention layer includes a silicon nitride film.

Abstract: Examples of portable electronic devices including a piezo actuated vibrator for providing tactile feedback to the user are described. Portable electronic devices according to the present disclosure may include tactile feedback devices, which may be driven by a piezoelectric actuator/vibrator that is operatively coupled to or embedded into the housing of a portable electronic device. In some examples, the housing of the electronic device itself can be made of piezoelectric ceramic material. The piezoelectric element may be coupled to the housing of the product to cause the housing to deflect and/or vibrate. In some examples, the housing of the portable electronic device, which may be a portable media player device, may be configured for placement directly or indirectly in contact with the user's skin such that vibrations of the housing may be felt directly (without audible feedback) by the user.

Abstract: A media sifter is provided that is operable to separate cleaning media from casings. The sifter has components configured to selectively prevent rotation and allow rotation of a sifting drum rotatably mounted in a housing. The housing has both a cover and a media collection base.

Abstract: A screening machine includes wall members, screen assembly guide members, a screen assembly and a compression assembly. The screen assembly includes a frame with a plurality of side members and a screen supported by the frame. The compression assembly is attached to at least one wall member and forms the screen assembly into a concave shape.

Abstract: The invention relates to an appliance which is more particularly applicable in an urban or industrial vacuum cleaner into which the waste is sucked up and then collected in a container. The appliance comprises a flexible tube, the proximal end of which receives the waste and the distal end of which is held by a ring which is pivotable such that the ring can be positioned in one of several pre-defined positions. This variable positioning allows the waste to be deposited in different containers or compartments, according to the characteristics thereof. The appliance can be controlled manually or automatically on the basis of electronic or optical sensors.

Abstract: A process and apparatus are presented for cleaning the tunnels of an electrochemically etched anode foil. The apparatus includes a tank, a fluid inlet and a fluid outlet, and one or more tranducers. The tank is designed to receive a plurality of cartridges, each of the plurality of cartridges having a reservoir and being designed to hold a metal foil. The fluid inlet and fluid outlet are coupled with at least one of the plurality of cartridges, and are designed to introduce and expel, respectively, a liquid from the reservoir within at least one of the plurality of cartridges. The one or more transducers are coupled to at least one wall of each reservoir, the one or more transducers being designed to sonicate the liquid within each reservoir at a frequency less than 300 Hz.

Abstract: A device is provided for dry cleaning a plate used in an additive manufacturing process that involves powder. The device includes a confinement enclosure, a loader, and a dry-cleaning station. The confinement enclosure includes an entry lock through which a plate to be cleaned enters. The loader is located within the confinement enclosure and is structured to receive and transport the plate. The dry-cleaning station is located within the confinement enclosure and is structured to dry clean the plate. The dry-cleaning station includes a vibration device, which imposes vibrations on the plate, and a shock device, which causes the plate to experience shocks.

Abstract: This is to provide a process for manufacturing a resist composition which can prepare a resist composition lowered in coating defects, and the manufacturing process is a process for manufacturing a resist composition to be used in a process for manufacturing a semiconductor apparatus, the process comprising the steps of: cleaning a manufacturing apparatus for a resist composition with a cleaning solution; analyzing the cleaning solution taken out from the manufacturing apparatus; repeating the step of cleaning and the step of analyzing until a concentration of metal components contained in the cleaning solution becomes 5 ppb or less; and manufacturing the resist composition by using the manufacturing apparatus after the step of repeating.

Abstract: An apparatus for treating a keg's interior comprises first and second tanks that maintain treatment medium at respective first and second temperatures, a first heat-exchanger, and a waste-air line. The first heat-exchanger is arranged upstream of a second-tank inlet for using heat recovered from the treatment medium through heat exchange with a heat-transfer medium to pre-heat treatment medium that is being conducted to the second tank. The heat-transfer medium includes any one or more of treatment medium conducted out of a keg interior after a treatment step, treatment medium in the first tank, and waste air in the waste-air line.

Abstract: An airborne component extraction system includes a source of a positive pressure air stream and a source of a negative pressure air stream. The air streams are directed through conduits to a hood that distributes the positive pressure air stream into a work area, and that draws the negative pressure air stream from the work area to remove airborne components within the work area. Aspects of the hood offer greatly enhanced performance in creating a controlled region for component removal and for drawing and removing the components for the work area.

Abstract: A combination cleaning and disposal assembly for safely cleaning and rendering unusable a jug containing a hazardous chemical residue. A body supports a receiving chamber for receiving the jug. A manifold is supported by the body and has a plurality of spikes arrayed toward the jug. A pressurized fluid source is communicated to the manifold such that, upon an inter-displacement occurs between the manifold and the container, the spikes are caused to pierce the container, the pressurized fluid being caused to issue from the spikes to clean an interior of the container. A floor of the chamber has irregular surfaces to assist in deforming the jug during puncturing and outflow of contaminated fluid. A drain is located underneath the jug receiving chamber which collects and segregates the fluid contaminated with the chemical residue for securing disposal concurrent with removing and disposing of the cleaned and punctured jug.

Abstract: A phytotoxicological device is provided comprising: a delivery chamber for insertion into a sample-containing medium, said delivery chamber comprising an upper end, a lower end and one or more apertures to permit moisture to enter the delivery chamber; an exposure chamber in communication with the upper end of the delivery chamber and adapted to receive a cartridge that houses a biological plant material; a locking cap to enclose the exposure chamber; and a base to enclose the lower end of the delivery chamber. This device allows for an investigation of the effects of waterborne contaminants on growth of wetland plants in situ as opposed to currently employed laboratory based methods.

Abstract: Methods of removing dioxane and optionally one or more CAHs such as 1,1-DCE, cis-1,2-DCE, trans-1,2-DCE, 1,2-DCA, 1,1-DCA, VC, and TCE from a liquid medium contaminated therewith include applying a feedstream of propane to the liquid medium in the presence of at least one propanotrophic bacteria strain selected from Azoarcus sp. DD4 (DD4) and Mycobacterium sp. DT1 (DT1). Propane, 1-propanol and/or 1-butanol may be employed as substrates in the bioaugmentation of the propanotrophic bacteria strain.

Abstract: A method for producing a metal sheet with raised lines uses a rolling mill including roll stands. In a preparing step, a grooved roll is prepared, the grooved roll including grooves. In a choosing step, a stand at least one stage before the last stand is chosen. In an incorporating step, the grooved roll is incorporated in as an upper roll of the chosen, specified stand. In a forming step, a workpiece is formed into a metal sheet with raised lines formed corresponding to the respective grooves. In the forming step, a maximum rolling reduction achieved by rolls of the specified stand is set to a provisional value that is lower than a required value. After the leading edge of the workpiece reaches the stand next to the specified stand, the maximum rolling reduction of the specified stand is changed to the required value.

Abstract: The present invention provides a method of manufacturing a press-formed product. The method includes: a first process of preparing a material that is long in a first direction, and when viewed in a cross-section perpendicular to the first direction, the cross-section is a hollow cross-section that is long in a second direction perpendicular to the first direction; and a second process of bending the material in a direction intersecting the second direction when viewed from the first direction, by pressing the material along the second direction.

Abstract: The invention relates to a straightening machine (1) for straightening an elongated semifinished product with straightening roller elements (6), with a roller table line (3) designed as a conveying section (4), with a stand device (7), which holds the straightening roller elements (6) with respect to the conveying section (4) and comprises a drive-side stand half (17) and an operator-side stand half (18), which is displaceable with respect to the drive-side stand half (17), with a changing device (25) for changing the straightening roller elements (6) and with a changing path (35), along which the straightening roller elements (6) can be moved for changing, in which machine the straightening roller elements (6) are movable on the one hand by means of the operator-side stand half (18) along a first segment (36) of the changing path (35), which extends in a horizontal displacement plane (20), and on the other hand by means of the changing device (25) along a further segment (37) of the changing path (35), which

Abstract: A method for roll-forming disk carriers or the like, which are designed as a pot-shaped sheet metal part having inner and outer teeth, wherein a multitude of cassettes is equidistantly arranged on the circumference of a roll-forming tool, said cassettes having profile rollers arranged in their interior, which roll out the disk carrier to be formed with their outer circumference and thus impart toothing on the disk carrier to be formed, wherein the forming depth of the profile rollers at the disk carrier to be formed is designed in such a way that a narrow, peripheral, self-contained, unformed bridge remains between the inner diameter and the outer diameter of the toothing, wherein the bridge increases the engine-speed strength of the disk carrier as a hoop band cylinder that is integrated into the toothing.

Abstract: The method includes treating a metal sheet having a bcc structure and a surface satisfying conditions (a) or (b), molding the metal sheet to cause plane strain tensile deformation and biaxial tensile deformation, and allowing at least one part of the metal sheet to have a sheet thickness decrease rate of from 10% to 30%. Condition (a): an area fraction of crystal grains having a crystal orientation of 15° or less relative to a (001) plane parallel to a surface of the metal sheet is from 0.20 to 0.35. Condition (b): the area fraction of crystal grains having a crystal orientation of 15° or less relative to a (001) plane parallel to a surface of the metal sheet is 0.45 or less, the average crystal grain size thereof is 15 ?m or less. The molded product satisfies conditions (a) or (b).

Abstract: A press-forming method for a component having a hat-shaped or U-shaped cross section and comprising a curved portion curved in a widthwise direction along with a longitudinal direction and straight side portions connecting to both ends of the curved portion from a sheet-shaped blank, wherein the blank is drawn to a hat-shaped or U-shaped cross section through a hat-shaped cross-sectional form having a top portion, vertical wall portions connecting at their upper end parts to both end parts of the top portion through fillet portions, and flange portions connecting at their internal end parts to the lower end parts of the vertical wall portions through fillet portions, and a material movement in the flange portion of the curved portion is caused in the drawing to mitigate tensile deformation or compression deformation in the circumferential direction generated in the flange portion of the curved portion.

Abstract: Provided is a cushion pin which applies sufficient supporting force to a blank holder of a press molding apparatus even if the number of cushion pins and an arrangement region are restricted. A cushion pin (1A) has a cylindrical main body section including a plurality of cylindrical members (2) and annular members (3). The cylindrical members (2) are arranged in series in an axial direction, and the annular members (3) are disposed between the adjacent cylindrical members (2). A rod member (4) and a coil spring (5) are disposed in each the spring chambers of the main body section. The rod member (4) includes a rod-shaped part (4b) and a flange part (4a). The rod-shaped part (4b) has a diameter allowing the rod-shaped part (4b) to slidably penetrate through an opening (3a) of the annular member (3). The coil spring (5) biases the flange part (4a).

Abstract: There is provided a die cushion device that includes a cushion pad, a hydraulic cylinder configured to lift the cushion pad, and a hydraulic closed circuit connected to a die cushion pressure creation chamber of the hydraulic cylinder. The hydraulic closed circuit includes a pilot drive type logic valve that is operable as a main relief valve at the time of the die cushion operation, and a pilot relief valve configured to create pilot pressure for controlling the logic valve. Hydraulic oil is filled in the hydraulic closed circuit, in a pressurized manner, and the hydraulic oil in the hydraulic closed circuit is pressurized by only die cushion force applied from the cushion pad through the hydraulic cylinder, in one cycle period of the cushion pad.

Abstract: A reconfigurable stretch forming apparatus includes an array of pins adapted to be individually adjustable in height to define a reconfigurable forming surface, a pair of counter-rotating workpiece gripping devices being provided on opposite sides of the array of pins, each gripping device having an arcuate support surface for supporting a workpiece and a clamp member for clamping a work piece against the arcuate support surface, a driver being provided for rotating the counter-rotating gripping devices in opposing directions to stretch the work piece over the forming surface.

Abstract: The present invention relates to a method for manufacturing a round-rod shaped alloy ingot by hot forging, containing suspending a primary alloy ingot having a round-rod shape in a columnar mold while one end of the primary alloy ingot is held, pouring a molten metal formed of a heat-retaining metal into the columnar mold so as to apply a coating of the heat-retaining metal to the entire circumference of the primary alloy ingot, to obtain a forging alloy ingot, taking the forging alloy ingot out from the columnar mold, then subjecting the forging alloy ingot to a hot forging while an end portion of the forging alloy ingot is gripped as a gripping portion, and removing the coating of the heat-retaining metal.

Abstract: A method of increasing the thickness of a tube which increases a thickness of an end part of a tube without a burr being formed, comprising placing a tube 21 between a die 25 and mandrel 22 in the state with a space for increasing the thickness between a small diameter part 22a of the mandrel 22 and a first end part 21a of a tube 21 and between a large diameter hole part 25C of the die 25 and a second end part 21b of the tube 21, using a first upsetting punch 23 and a second upsetting punch 24 to respectively process the first end part 21a and the second end part 21b of the tube 21, pulling out the mandrel 22 from the tube 31 in the state with the second upsetting punch 24 constraining the second end part 31b of the tube 31, and using the first upsetting punch 23 to push up the first end part 31a of the tube 31 to take out the tube 31 from the die 25.

Abstract: Provided is a mechanical joining apparatus enabling reduction of breakage of the area around a rivet of a joint obtained by riveting, the apparatus comprising a punch and die, blank holder, first power device, second power device and cooling device, wherein the first power device is configured to start supply of current through the holder and die so as to raise the temperature of the sheets before the punch drives in the rivet, the second power device is configured to start supply of current through the punch and die so as to supply current through and heat treat the rivet after the punch drives in the rivet, and the cooling device is connected to the punch and is configured to cool the rivet after the rivet is heat treated.

Abstract: Methods and devices for producing a casting mold for sand casting are disclosed. In one embodiment, a method for producing a compacted mold for casting molten material may include positioning a model or pattern in a flask; filling the flask with compactable sand; and compacting the compactable sand around the model or pattern so as to form a compacted mold or compacted mold component suitable for casting. The compacting of the molding sand takes place in zones or regions smaller than a lateral extension of the flask based on a contour or a dimension of the model or pattern.

Abstract: A piston of a die-casting apparatus comprises: a piston head fabricated of a first material; an elongate, inner carrier coupled to the piston head; a generally annular body seated on the carrier adjacent the piston head; and a wear ring disposed on the piston head, the wear ring being fabricated of a second material. The first material has a higher toughness and a lower hardness than the second material.