Abstract: A cartridge includes a first drum having a first chamber and a displacement device that is configured to rotate the first drum about a central axis to connect the first chamber to a second chamber in a conductive manner. The cartridge further includes an electric switch that is configured to be actuated by the displacement device between a closed switching state and an open switching state.

Abstract: Sample holding system, including methods and apparatus, including a holder defining a well having a wicking promoter that encourages flow of a sample to the bottom of the well. Methods of making and using the holder are also disclosed.

Abstract: A method includes flowing a liquid into a channel of a microfluidic cassette filled with a gas. The channel includes an inlet section and an outlet section. The method also includes detecting the liquid, the gas, or a combination thereof at a measuring location within the inlet section. The measuring location has a first sensor that may detect a signal indicative of a presence of the liquid, the gas, or a combination thereof. The method also includes compressing the gas, determining a pressure change of the gas within the channel, and determining a volume of the liquid within the channel based on the pressure change of the gas.

Abstract: Aspects of the invention include methods for improving the accuracy and read length of sequencing reactions by utilizing unlabeled unincorporable nucleotides, or by rephasing colony based sequencing reactions. Other aspects include systems and devices for improved measurement of biological reactions associated with bead which may be removed, utilizing current measurement methods through the counter ions associated with said beads due to the presence of reactants bound or associated with said bead, wherein electrodes for generating and measuring said current may be within the Debye length of said bead. Other aspects of the invention include methods for determining concentrations of input samples, means for reuse of an array, methods and apparatus for separating beads with different charge levels from each other.

Abstract: A specimen collection container includes inner and outer tubes. The inner tube includes a bottom end, a top end, and a sidewall extending therebetween defining an interior. The sidewall includes an inner surface and an outer surface having at least one annular protrusion extending therefrom. The inner tube includes at least one funnel portion adjacent the top end for directing a specimen into the inner tube interior, and an annular ring disposed about a portion of the outer surface of the sidewall adjacent the top end. The outer tube includes a bottom end, a top end, and a sidewall extending therebetween, the sidewall having an outer surface and an inner surface defining an annular recess adapted to receive a portion of the annular protrusion therein. The inner tube is disposed within the outer tube and a portion of the top end of the outer tube abuts the annular ring.

Abstract: Traditional thermocyclers are heating devices that change sample temperatures by adding heat energy into a sample block that is usually a large metal block and then extracting that heat energy out of the block in a process called ramping the temperature. Presented herein is a technology that eliminates the large mass sample block and ramping temperatures in a sample block and thus in a sample vessel. This design called a Thermal Array requires a fraction of the energy used to process a sample. In addition, the array allows a much smaller thermal cycler to be designed leading to portability of a device. This technology is designed to allow optimal polymerase chain reactions to be executed.

Abstract: The disclosure relates to a retainer (100) for sample carriers (P1-P4) of different shapes and sizes. The retainer includes a retaining plane (110) for receiving the sample carrier; at least three respectively movably mounted stop elements (120), each of the stop elements (120) having at least one stop surface (121) which is embodied to be adjusted, by movement of the stop element (120), against the sample carrier (P1-P4); at least three securing elements (125), a securing element (125) being associated with each of the at least three stop elements (120); each of the at least three securing elements (125) configured to secure the associated stop element (120) immovably on the retainer, and configured to be conveyable into a first position in which the associated stop element (120) is movable, and to be conveyable into a second position in which the associated stop element is secured immovably on the retainer.

Abstract: A bowl liner for use in a cone crusher that is comprised of a pair of bowl liner sections joined to each other to define the bowl liner. Each of the bowl liner sections includes first and second ends that engage opposite first and second vertical ends of the second bowl liner section. The first and second ends include key features that limit the axial movement of the first and second bowl liner sections relative to each other. Each of the first and second bowl liner sections further include a radial key and mating key slot to limit the radial movement between the bowl liner sections. The vertical joint between the bowl liner sections includes an inner relief that allows for manganese growth during use of the bowl liner.

Abstract: An air flow control arrangement for a pulverizer includes an inner ring segment, an outer ring segment, a plurality of vanes, and a plurality of vanes. The inner and outer ring segments are adaptably configured in a spaced relation to each other. Further, the plurality of vanes is spaced apartly arranged between the inner and outer ring segments to form flow ducts. Furthermore, each wingtip of the plurality of wingtip is detachably attached to a respective vane of the plurality of vanes to be adaptably replaceable or changeable.

Abstract: A system for mechanical milling and a method of mechanical milling are disclosed. The system includes a container, a feedstock, and milling media. The container encloses a processing volume. The feedstock and the milling media are disposed in the processing volume of the container. The feedstock includes metal or alloy powder and a ceramic compound. The feedstock is mechanically milled in the processing volume using metallic milling media that includes a surface portion that has a carbon content less than about 0.4 weight percent.

Abstract: Provided are systems and methods for sorting crushed material by gravitationally separating components of the crushed material according to component densities in a liquid column having a bottom layer of a heavy water-immiscible liquid, an intermediate layer of an aqueous salt solution and a top layer of a light water-immiscible liquid. The heavy water-immiscible liquid has a higher density than the aqueous salt solution, the aqueous salt solution has a higher density than the light water-immiscible liquid and the light water-immiscible liquid has a higher density than sea water to maintain the intermediate layer on top of the bottom layer, the top layer on top of the intermediate layer and the top layer in the liquid column.

Abstract: A gravity separation system for separating and recovering heavy metal particles from a slurry of suspended particles. The separation system includes a channeling member with an interior space, for guiding a flow of a slurry of suspended particles, and a magnetic member situated external to the channeling member. The magnetic member includes a geometrically patterned array of magnets, for generating a geometrically patterned magnetic field extending into the interior space of the channeling member. Magnetic particles such as magnetite, suspended in the slurry, are assembled by the geometrically patterned magnetic field into a correspondingly patterned array of riffles within the channeling member. The array of riffles promotes the sedimentation of heavy particles from the slurry. The geometrically patterned magnetic field is interruptible, to allow disassembly of the riffles and recovery of the settled heavy particles.

Abstract: A floating element for separating components of a physiological fluid comprises two parts that are relatively movable. The two parts define a prescribed volume between them when at their maximum separation, and one of the parts may be moved toward the other to express the fluid contained in the volume between the parts. The parts are made of materials having densities so that they assume a desired position in the fluid to allow selected components to be easily obtained and expressed.

Abstract: A reduced air hydrocyclone unit includes a hydrocyclone having a cylindrical section, a conical base having an underflow outlet formed in its apex, and an overflow outlet on an upper end of the cylindrical section. An underflow basin collects underflow material. Overflow material flows through an overflow line. An exhaust fan of the reduced air hydrocyclone unit withdraws from the overflow material in the overflow line a portion of an amount of air introduced through the apex of the hydrocyclone. A reduced air fluid system includes the reduced air hydrocyclone unit, a fluid tank in fluid communication with the overflow line of the reduced air hydrocyclone unit, and a reduced air hopper for mixing a solid material with a fluid contained in the fluid tank to form a slurry. A liquid barrier inlet of the reduced air hopper creates a liquid barrier to prevent air introduction into the slurry.

Abstract: A substrate processing system includes a showerhead that comprises a head portion and a stem portion and that delivers precursor gas to a processing chamber. A baffle includes a base portion having an outer diameter that is greater than an outer diameter of the head portion of the showerhead, that comprises a dielectric material and that is arranged between the head portion of the showerhead and an upper surface of the processing chamber.

Abstract: A distributor tray for a gas and a liquid circulating as a co-current, said tray comprising a plate perforated by orifices and supporting hollow chimneys extending perpendicularly to said plate, each orifice of the plate being surmounted by a chimney of identical cross section to said orifice, characterized in that the plate is equipped with a plurality of openings arranged on the periphery of each chimney inside a circumscribed circle, the center of which coincides with the center of the chimney, and the radius of which is less than or equal to ? of the shortest distance separating two adjacent chimneys, and in that a single deflector element is arranged beneath each chimney, the openings and the deflector element associated with each of the chimneys being so arranged as to impart a rotating movement to the gas/liquid mixture under each chimney.

Abstract: A nozzle for use in a high pressure water jetting system is provided including a stationary housing, a rotating shaft, and a central passage within the shaft for communicating high pressure fluid to the nozzle. The shaft may include communication passages to provide fluid from the central passage to a forward fluid pressure chamber defined between an outer peripheral surface of the shaft and the housing. A rear fluid pressure chamber may be defined between the shaft and the housing and a restriction may be defined between the housing and the inlet end of the shaft, the restriction configured to receive fluid from the rear fluid pressure chamber and transport it to a chamber communicating with the atmosphere. The restriction may be formed as an annular gap between the housing and the inlet end of the shaft and configured to decrease in volume when the shaft moves axially forward.

Abstract: A bearing air passage through which bearing air is supplied toward an air bearing of an air motor and a turbine air passage through which driving air is supplied toward a turbine are provided in a housing. An annular space surrounding the air motor is provided between the housing and a cover. A bearing air branch passage connecting the annular space and the bearing air passage to each other and a turbine air branch passage for connecting the annular space and the turbine air passage to each other are provided. The air branch passages lead a part of the compressed air to the annular space and keep the cover in a heated state.

Abstract: A system including an electrostatic tool including a handle, a first trigger configured to move between a first trigger position and a second trigger position, wherein the electrostatic tool is configured to be inactive when the first trigger is in the first trigger position and to spray a coating material when the first trigger is in the second trigger position, an electrostatic activation system configured to activate and deactivate electrical charging of the coating material, and wherein the first trigger and the electrostatics activation system may be separately and simultaneously engaged with a single hand.

Abstract: A bell cup includes an inner surface and a coating material diffusion surface on the inner surface of the bell cup. The coating material diffusion surface includes a first range extending from an end part of the coating material diffusion surface to a center part of the coating material diffusion surface, the end part being disposed toward a proximal end of the bell cup, being a convex curved surface facing towards the rotation axis, and on which, in a cross section of any plane that includes the rotation axis, normal line components of a centrifugal force acting on a coating material liquid film due to rotation of the bell cup are substantially equal, and a second range extending from the center part to a distal end edge of the bell cup, and being a being a concave curved surface facing towards the rotation axis.

Abstract: An apparatus and method for open-atmosphere flame based spraying employs a nozzle to preheat, pressurize and atomize a mechanically pumped reactive and flammable liquid solution through a small orifice or a nozzle and then a set of pilot flames to combust the spray. The liquid feedstock is preheated to a supercritical temperature before reaching the nozzle and is pressurized before spraying due to a reduced size of the outlet port of the feedstock flow channel relative to the inlet. A supplementary collimating, or sheathing, gas is supplied to the flow channel of the feedstock and both the feedstock and the supplementary gas are uniformly heated before spraying. This arrangement helps to avoid clogging of the nozzle and results in satisfactory control of the properties of the particulate products of the spraying procedure.

Abstract: This casing device (22) comprises a member (34) for actuating dispensing of cosmetic product, and a protective band (36). The device (22) comprises an intermediate locking member (38) arranged between the band (36) and the actuating member (34), the intermediate member (38) being suitable for moving between a position for locking the actuating member (34) in an idle position and a position for releasing the actuating member (34), when switching the band (36) between a protective configuration and an operating configuration.

Abstract: The printing machine includes a support plate provided on its periphery with a plurality of receiving elements for articles rotatably mounted on the support plate, and a device for rotating the support plate in order that two articles, mounted on their associated receiving elements, respectively face two separate printing stations, the printing stations being supported by a single base. The machine further has a device for generating a relative translational movement between the base and the support plate so that patterns are helically printed on the articles during the rotation of the receiving elements.

Abstract: A wheel masking system for more efficiently and effectively masking vehicle wheels for painting and touch-ups. The wheel masking system generally includes a tire mask and rim shield which may be simultaneously or interchangeably utilized to mask portions of a wheel during paint or touch-up operations. The tire mask includes a disc member which fits the contour of the wheel's side wall and tapers to nest at the tire bead on the inside diameter to protect portions of the wheel and side wall from paint. The rim shield fits over the lug nuts of the wheel to mask the rim of the wheel from paint.

Abstract: A telescopic water gun includes an inner tube, with an end coupled with a water outlet gun and another end sleeved with an outer tube, which has a deformable restraint ring and blocking sleeve disposed at the sleeving end, an upper end of the blocking sleeve being disposed with an outer thread section screwed with a pressing sleeve for tightly sleeving on the outer thread section; a water inlet connector sleeved at another end of the outer tube disposed with a water receiving end and a smaller diameter sleeving end, a large diameter water stopping section and small diameter water stopping section therebetween; and a water inlet controlling sleeve sleeving around the water controlling section with its inner diameter, a large diameter opening formed at a lower end of the water inlet controlling sleeve for sleeving around the a large diameter water stopping section of the water inlet connector.

Abstract: A slit nozzle of a liquid coating apparatus which discharges a liquid on a substrate, the slit nozzle includes a first nozzle part, a shim having an outlet configured to discharge the liquid and a second nozzle part facing the first nozzle part with the shim interposed therebetween. At least one of the first nozzle part and the second nozzle part has a sloping portion to prevent the discharged liquid from adhering to the slit nozzle.

Abstract: A waterproof coating process machine and its negative pressure coating and atomized coating methods are disclosed. The machine includes a coating process tank disposed at a top end, a drying chamber and a control panel. A discharge port connected with a discharge pipe on an outer side is disposed at a bottom of the coating process tank; and at least one negative pressure suction port connected with a suction pipe of a suction pump is disposed on a back side. An opening of the drying chamber in combination with a movable door is disposed at a front side of a lower section of the machine. An infrared outlet, an infrared spiral wave outlet and a circulation fan are disposed inside the drying chamber. The control panel is disposed on the front side of the machine between the coating process tank and the drying chamber.

Abstract: An image recording method includes applying an ink containing a pigment and polymer particles to a region of a recording medium, and applying a liquid composition capable of destabilizing the dispersion of the pigment in the ink to the recording medium so as to cover at least part of the region of the recording medium. The liquid composition contains 6.0% by mass or more of at least one surfactant selected from the group consisting of the compounds expressed by General Formula (1) and the compounds expressed by General Formula (2) relative to the total mass of the liquid composition. The content of the polymer particles in the ink is 1.0% by mass or more relative to the total mass of the ink.

Abstract: A method of preparing polyurethane prepolymer does not require using a toxic isocyanate monomer (manufactured by harmful phosgene) as a raw material. Epoxy resin and carbon dioxide are used as major raw materials to form cyclic carbonates to be reacted with a functional group oligomer, and then amino groups in a hydrophilic (ether group) or hydrophobic (siloxane group) diamine polymer are used for performing a ring-opening polymerization, and the microwave irradiation is used in the ring-opening polymerization to efficiently synthesize the amino-terminated PU prepolymer, and then an acrylic group at an end is added to manufacture an UV cross-linking PU (UV-PU) oligomer which can be coated onto a fabric surface, and the fabric is dried by UV radiation for a surface treatment to form a washing-resisted long lasting hydrophilic or hydrophobic PU fabric.

Abstract: A method of preparing carbon-coated cuprous oxide, including: (1) preparing a liquid polyacrylonitrile (LPAN) solution, stirring the LPAN solution to yield a cyclized polyacrylonitrile solution; (2) heating the cyclized LPAN solution to yield a thermally-oxidized polyacrylonitrile (OPAN); (3) mixing the thermally-oxidized polyacrylonitrile with a copper compound to yield a mixture, and adding to the mixture a hydrophilic solvent or a hydrophobic solvent, thus yielding a polyacrylonitrile coated copper compound; (4) drying the polyacrylonitrile coated copper compound in an oven until the solvent is evaporated completely and the polyacrylonitrile coated on the copper compound is crosslinked to form a solid, where yielding a carbonized precursor coated copper compound; and (5) calcining the carbonized precursor coated copper compound in the presence of an inert gas flow of between 10 and 500 mL/min.

Abstract: A cleaning device for a laboratory fermenter for growing microorganisms is provided. The laboratory fermenter to be cleaned has a gas supply connection connected to a line reaching into the fermenter's nutrient solution, an exhaust connection to the gas space over the nutrient solution, and a withdrawal connection leading to the fermenter's deepest point. The cleaning device includes three cleaning connections, an immersion pipe connection and two gas connections. Flow in each gas connection is controlled via intermediate switch valves having a cleaning start position and a cleaning end position. The cleaning connections are connected via hose lines to hose pinch control valves, a hose pinch pump, at least one filter. A cleaning control manages the cleaning process by controlling flow from and/or to an air connection, a water connection and a waste water connection. The cleaning controller may also control introduction of acids and/or bases.

Abstract: A method of providing flatness control for rolling a strip in a mill including a plurality of rolls controllable by actuators. The method includes the steps of: receiving flatness measurement data pertaining to a flatness of the strip; determining a flatness error as a difference between a reference flatness of the strip and the flatness measurement data; determining an adjusted flatness error based on the flatness error and weights for actuator position combinations which provide a flatness effect below a threshold value; and utilizing the adjusted flatness error for the control units to control the actuators to thereby control the flatness of the strip. A computer program product and a control system for carrying out the above method are also presented herein.

Abstract: Methods and apparatus for monitoring and conditioning strip material are disclosed. A disclosed example method includes coupling a feedback unit to a first material conditioner. The first material conditioner includes a first sensor and a second sensor, where the first and second sensors are located along a width of a first material moving through the first material conditioner, a first adjustable backup bearing and a second adjustable backup bearing. The disclosed example method also includes mapping the first sensor to the first adjustable backup bearing, where the first sensor corresponds to a first longitudinal zone located along a width of the first moving material.

Abstract: A pipe manipulator is configured to move a pipe in an apparatus for bending a pipe. The apparatus includes a feeding device, a heating device configured to annularly surround the pipe. at least one bending arm disposed axially downstream from the heating device in a pipe feed direction, and a bending lock disposed on the at least one bending arm and configured to grasp a pipe section to be bent and to move around a bending axis of rotation during a feeding of the pipe. The pipe manipulator includes a receiving sleeve axially displaceable in the pipe feed direction and disposed displaceably in the feeding device at an end of the pipe. The receiving sleeve is configured to reach into the pipe and to firmly clamp the pipe from an inside of the pipe and to guide the pipe in a defined manner axially through the heating device.

Abstract: A can bodymaker is provided. The can bodymaker includes two rams that travel over a generally vertical path. The bodymaker includes a housing assembly and an operating mechanism structured to move a number of ram assemblies over a vertical path of travel. The operating mechanism includes a crankshaft, a motor, a link assembly, and a number of ram assemblies. The crankshaft is rotatably coupled to the housing assembly and includes a number of pairs of crankpin journals. The motor is operatively coupled to said crankshaft. The link assembly includes a number of links. Each ram assembly includes an elongated ram body, each ram body structured to move over a ram path. Links from said link assembly extend between, and movably couple, each crankshaft crankpin journal to a ram body.

Abstract: A thread rolling method for a gear using cylindrical dies in which no slippage occurs. The method includes placing a work having a cylindrical outer surface to be supported to a support to be freely rotatable about a rotation axis of the cylindrical outer surface; placing a pair of the cylindrical dies each rotatable about an axis parallel to the rotation axis to face each other across the work; thrusting the pair of cylindrical dies against the work; and determining an outer diameter of the work, when rotary movement of the cylindrical dies and the work rotated together is shifted from friction gear movement to gear movement, in which a dimension obtained by dividing an outer circumferential dimension of a dedendum circle of the tooth grooves by the number of teeth to be formed is equal to an addendum circular pitch of each of the cylindrical dies.

Abstract: A method of manufacturing a gear wheel with stub toothing for a change-speed gearbox includes drop-forging a gear wheel body and forming the stub toothing by cold die-grooving in the forging die using a forming tool with forming parts which are arranged in a fan-shaped manner. The forming ends penetrate into the tooth spaces, wherein the forming parts are guided jointly between an upper and a lower receiving plate and are moved in a direction radially inwards in such a way that material is displaced out of the region of the tooth flanks into the tooth root regions.

Abstract: A method for determining if a stretch of casting line includes the closing position of the liquid cone of a continuously cast metal product, where there is provided a casting line including an ingot mold containing the liquid metal and in which a meniscus is defined, one or more soft reduction roll devices, cylinders for actuating the one or more soft reduction devices, at least two oscillation application areas, the oscillation application areas being arranged in the one or more soft reduction roll devices. The oscillation being achieved by the rolls of the one or more soft reduction devices through the actuating cylinders.

Abstract: A primary object of the present invention is to provide a method for continuous casting with which slabs for heavy gauge steel plate in which porosities are decreased can be manufactured. In the present invention, when a slab for heavy gauge steel plate is continuously cast, two pairs of reduction rolls that are arranged separately from each other with a roll-interval in a range from 3 m to 7 m, between which a support roll is arranged, are used, reduction is carried out on the slab by 3 to 15 mm with the reduction rolls at the first stage under the condition where the slab includes an unsolidified portion with the solid-phase ratio in a range from 0.8 to less than 1, and reduction is further carried out on the slab with the reduction rolls at the second stage under the condition where the slab is completely solidified.

Abstract: A clayish composition for forming a sintered silver alloy body capable of forming a sintered silver alloy body, which is not easily discolored even in the atmosphere and has excellent tensile strength, flexural strength, surface hardness (hereinafter, sometimes collectively referred to as ‘mechanical strength’), elongation or the like, powder for the clayish composition for forming a sintered silver alloy body, a method for manufacturing the clayish composition for forming a sintered silver alloy body, a sintered silver alloy body and a method for manufacturing the sintered silver alloy body.

Abstract: A device and method for producing a green compact from a powdered or granular material by successive application and compression of the material, is disclosed. The device includes a fill shoe, which is filled with the material and is adjustable by an adjusting device, where a first park position is provided for the fill shoe. A matrix having at least one construction chamber is filled with the material layer-by-layer by the fill shoe between a first and second end position. A press having a lower punch and an upper punch, which are adjustable by a height adjustment device, compresses the material applied layer-by-layer in the at least one construction chamber. After filling the construction chamber with the material, the fill shoe is moved out of the second end position into a second park position, where the second park position is different from the first park position.

Abstract: The present disclosure provides three-dimensional (3D) objects, 3D printing processes, as well as methods, apparatuses and systems for the production of a 3D object. Methods, apparatuses and systems of the present disclosure may reduce or eliminate the need for auxiliary supports. The present disclosure provides three dimensional (3D) objects printed utilizing the printing processes, methods, apparatuses and systems described herein.

Abstract: In accordance with an exemplary embodiment, a method of forming a ceramic reinforced titanium alloy includes the steps of providing, in a pre-alloy powdered form, a ceramic reinforced titanium alloy composition that is capable of achieving a dispersion-strengthened microstructure, directing a low energy density energy beam at a portion of the alloy composition, and forming a ceramic reinforced titanium alloy metal having ceramic particulates of less than 10 ?m on a weight-average basis. The step of forming includes the sub-steps of withdrawing the energy beam from the portion of the powdered alloy composition and cooling the portion of the powdered alloy composition at a rate greater than or equal to about 106° F. per second, thereby forming the ceramic reinforced titanium alloy metal.

Abstract: A method of processing a bimetallic part includes depositing an intermediary material having a metal powder onto a tooling surface of a cavity of a tool, transforming the intermediary material into a metal layer having a first composition on the tooling surface, and forming a metal core having a second, different composition in the cavity such that the metal layer bonds to the metal core to form a bimetallic part.

Abstract: A boring device according to the present invention includes: a hollow main shaft; a table supporting the main shaft rotatably about a predetermined axis; a tool holder extending in the form of a bar and configured to rotate coaxially with the main shaft; a radially protruding tool provided at a distal end portion of the tool holder; a tilting unit provided between the main shaft and the tool holder in the axis direction and configured to cause the tool holder to be inclined from the axis; a drawbar configured to be movable back and forth in the axis direction within the main shaft; a first drive unit configured to rotate the main shaft about the axis; and a second drive unit configured to move the drawbar back and forth in the axis direction.

Abstract: A wire electrical discharge machining apparatus includes a target-control-section calculating unit calculating a target control section, which is indicated by a start point and an end point of the corner control in a current electrical discharge machining during the finish machining, based on a machining parameter; an actual-control-section calculating unit correcting the start point and the end point of the corner control, which are indicated in the target control section calculated by the target-control-section calculating unit, and calculating an actual control section, based on a magnitude of a shape error of the corner portion in a previous electrical discharge machining during the finish machining; and a speed controlling unit controlling the feed speed of the wire such that an amount of machining per unit time in the actual control section becomes equal to that when a portion other than the corner portion is machined.

Abstract: A hybrid welding system is provided. In one embodiment, the welding system includes an engine-driven generator, an energy storage device, a contactor, and a controller. The controller may be configured to control delivery of weld power from the generator when a commanded output is below a threshold level, and from both the generator and the energy storage when the commanded output is above the threshold level. Closing of the contactor enables the energy storage device to contribute to weld power during welding operations and to be charged by the generator output independent of charging between weld operations. Additional hybrid welding systems and methods are also disclosed.

Abstract: A method of joining, e.g., by fusion welding, titanium, and titanium-based alloys to ferrous metals, and the intermetallic weld pool created by practice of the method is described. The instant invention involves the use, inclusion or deployment of tantalum into the weld pool and upon cooling a weld, to create a surprisingly strong intermetallic bond, weld, or joint.

Abstract: A portable battery powered welder is disclosed that is configured to operate without an external power source. The portable battery powered welder may include a battery coupled to a welding circuit and a wire feeder. Further, the portable battery powered welder may include a suitcase to integrally support and completely enclose the welding circuit, the battery, and the wire feeder. The suitcase may include a lateral access door having a hinge and a latch. Additionally, the wire feeder and a wire spool may be disposed in a region accessible by the lateral access door. The suitcase may also include an access panel disposed over a region containing the battery. The access panel may be mounted to the case via a snap mount and/or secured via fasteners. Finally, the suitcase may include a top handle and may be made of a lightweight, impact resistant, and flame retardant material.

Abstract: A process and apparatus for free form fabrication of a three-dimensional work piece comprising (a) feeding raw material in a solid state to a first predetermined location; (b) depositing the raw material onto a substrate as a molten pool deposit under a first processing condition; (c) monitoring the molten pool deposit for a preselected condition; (d) comparing information about the preselected condition of the monitored molten pool deposit with a predetermined desired value for the preselected condition of the monitored molten pool deposit; (e) solidifying the molten pool deposit; (f) automatically altering the first processing condition to a different processing condition based upon information obtained from the comparing step (d); and repeating steps (a) through (f) at one or more second locations for building up layer by layer a three-dimensional work piece.