Abstract: Systems and methods for focused direction deposition of a micron or nanometer dimension polymeric fiber and materials of such fibers are described herein. Systems and methods employ one or more gas flows to entrain and deflect fibers produced by a rotary jet spinning system forming a focused fiber stream. Some embodiments enable control of alignment and distribution of the fibers with a relatively high fiber throughput.

Abstract: The present invention provides portable devices and systems for electrofocused blow spinning, and methods for using the same. The devices of the invention are convenient to carry and use and are able to aerodynamically spin a variety of materials in a mobile setting.

Abstract: Methods of high throughput hydrocolloid bead production and related apparatuses are described herein. In the disclosed methods, drops of a hydrocolloid gel suspension are dropped into a reactant bath. The drops of hydrocolloid gel are exposed to the reactant bath for a predetermined period of time, during which the drops form firm or semi-firm beads. The beads are then removed from the reactant bath. The resulting hydrocolloid beads are advantageously resistant to syneresis and can provide high nutritional and water content.

Abstract: An interruption switch is provided for interrupting high currents at high voltages, with a casing, which surrounds a contact unit defining the current path through the interruption switch which has a first and second connection contact and a separation region. The contact unit is formed such that a current can be supplied to it via the first connection contact and can be discharged therefrom via the second connection contact, or vice versa. The separation region is formed such that, when it is separated, the current path between the first connection contact and the second connection contact is interrupted. The separation region is arranged inside a reaction chamber. A coating with a reactive material is present in the reaction chamber. The reactive material is designed such that under the influence of an electric arc it attenuates or extinguishes the electric arc.

Abstract: Described herein are portable apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Portable apparatuses that may be used to create fibers are described.

Abstract: A method for manufacturing a material in divided form solid at ambient temperature and usable as a road binder or as a sealing binder, such as a road bitumen, a pitch, a stock solution for a bitumen/polymer composition, a clear binder, the method including the implementation of a device intended for granulation having at least two coaxial drums and a horizontal running belt: a fixed inner drum having an orifice and rotating outer drum with orifices, the method including: (i) heating a first composition to a temperature at which it is fluid, (ii) introducing the first composition in the fluid state into the inner drum of the granulation device, (iii) distributing the first composition outwards in drops through the orifices in the rotating outer drum, (iv) depositing the drops on the running belt, and (v) optionally, coating the drops with the second composition. A device for manufacturing these materials.

Abstract: A process to form an olefin-based polymer, said process comprising at least the following steps: a) polymerizing a reaction mixture comprising an olefin, in at least one reactor, in a solution polymerization, to form a polymer solution; b) feeding at least a portion of the polymer solution through at least one devolatilizer, to form the olefin-based polymer, in melt form; c) feeding at least a portion of the olefin-based polymer, in melt, form through a heat exchanger, and then into a pastillation apparatus to form polymer particles.

Abstract: The present invention is directed toward an apparatus comprising a high speed rotating disk or bowl for nanofiber spinning from the rotational sheared thin film fibrillation at the enclosed serrations with the optimized stretching zone to produce the defects-free nanofibrous web and nanofibrous membrane comprising a nanofiber network with a number average nanofiber diameter less than 500 nm that yield the crystallinity higher than the polymer resin used in making the web.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Systems and methods of heating the fiber producing device, before and during use, are also described herein.

Abstract: Provided is a group of rare-earth regenerator material particles having an average particle size of 0.01 to 3 mm, wherein the proportion of particles having a ratio of a long diameter to a short diameter of 2 or less is 90% or more by number, and the proportion of particles having a depressed portion having a length of 1/10 to ½ of a circumferential length on a particle surface is 30% or more by number. By forming the depressed portion on the surface of the regenerator material particles, it is possible to increase permeability of an operating medium gas and a contact surface area with the operating medium gas.

Abstract: A granulator comprising a rotary atomizer for receiving molten material and projecting droplets of the molten material there from; and an impact surface disposed within the trajectory of the droplets and upon which the droplets impact, the impact surface being at a distance from the rotary atomizer and at an angle such that (i) all or substantially all of the droplets impact the impact surface, and (ii) a substantial portion of the droplets are not fully solidified prior to contact with the impact surface.

Abstract: The present invention provides an apparatus for forming a shot that can prevent a loss of shot in the process of forming and sorting the shot balls and can collect dust in a cyclone type that can strongly suppress generation of dust.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that have various types of outlet elements coupled to the fiber producing device.

Abstract: A method and an apparatus for generating particles are provided. The method may be a method for generating particles from a flowable medium, the method involving forming drops from the flowable medium, arranging the drops on a particle forming surface and solidifying the drops, thereby forming the particles. The apparatus may be an apparatus for generating particles from a flowable medium with a drop generator and a particle forming surface, the drop generator being formed to arrange drops on the particle forming surface and the particle forming surface may be adapted to contact the drops when the particles are being formed.

Abstract: A cotton candy machine including, a base having a switch, motor and heater, and a head The head includes a shaft removably coupled to the motor and a dish coupled to the shaft. A cover is disposed between the dish and a lid. The shaft, cover and lid are in a fixed relationship relative to each other. The cover and the lid form a cavity which is configured to receive hard candy which can be melted when said dish and cover combination are heated to a predetermined temperature. The lid has a lip formed on its top surface around an inner annular ring portion of the lid. The is lip configured to enable the hard candy, when melted, and the head is rotating at a predetermined speed, to form strands or threads which are collectable as cotton candy.

Abstract: An improved rotary disc atomizer for use in, for example, spray dryers or congealers is disclosed. The rotary disc may be directly mounted to the shaft of a high-speed electrical motor. The high-speed electrical motor comprises a permanent magnet rotor and electro-magnetic bearings. The electro-magnetic bearings may be supported by one or more upper/lower bearing housings and used to enable frictionless support of the shaft/rotor and rotary disc. The atomizer system may further comprise a gas distributor enabled to dynamically adjust the velocity at which the gas leaves the radial vanes and meets with the atomized droplets.

Abstract: An electro fiber pulling apparatus with spiral rod is provided for generating fibers or fiber web structure from a viscous liquid (such as polymer solutions, sol-gel or molten mass). The fiber pulling apparatus includes: a fiber generator with spiral rod; a fiber collector with counter electrodes spaced apart from the fiber generator with a certain distance; a liquid container for storing the viscous liquid for fiber generating; and a high voltage generator, wherein the electrodes of the high voltage generator are connected with the fiber generator and the fiber collector respectively.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that have various types of outlet elements coupled to the fiber producing device.

Abstract: Electrospinning from a melt or solution by means of an electric field between a fibre source such as a spinneret or a bubble surface and a moving collector comprising a wire card of which the wires are electrically connected. The spinneret or melt or solution may be held at high potential and the wires earthed. The method produces an aligned nanofibre web that can be made into strands, yarns, cable or rope or non-woven fabrics such as stitch bonded and stitch knitted fabric.

Abstract: In accordance with an exemplary embodiment, a method is provided for forming a micron, submicron and/or nanometer dimension polymeric fiber. The method includes providing a stationary deposit of a polymer. The method also includes contacting a surface of the polymer to impart sufficient force in order to decouple a portion of the polymer from the contact and to fling the portion of the polymer away from the contact and from the deposit of the polymer, thereby forming a micron, submicron and/or nano-meter dimension polymeric fiber.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that have various types of outlet elements coupled to the fiber producing device.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that have various types of outlet elements coupled to the fiber producing device.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that have various types of outlet elements coupled to the fiber producing device.

Abstract: A spherical tungsten carbide powder is characterized by that the material has a microhardness higher than 3600 kgf/mm2, and that the powder has an apparent density from 9.80 to 11.56 g/cm3. A method for the manufacture of a powder comprises the steps: a) providing a chamber comprising a rotatable crucible, b) adding material into said rotatable crucible, c) melting the material using a plasma arc discharge, d) rotating the crucible to atomize the molten material to form liquid droplets, with subsequent cooling of the droplets to obtain a powder, wherein the material added into said rotatable crucible is heated to a temperature above 40% of the melting temperature of the material before it enters the crucible. It is possible to reduce the current required for melting the stock. Heat losses are decreased, and the spherical powder obtained during atomization becomes more homogeneous in its composition and structure. The cost is reduced.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that are composed of two or more members, that, when coupled together, define an internal cavity and a plurality of openings.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Embodiments described herein relate to multilayer fiber producing devices.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. To improve the formation of fibers, various devices and systems for controlling the micro-environment around the fiber producing device are described.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that are capable of producing coaxial fibers.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Embodiments described herein relate to apparatuses and methods for the deposition of fibers onto substrates.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Systems and methods of heating the fiber producing device, before and during use, are also described herein.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that have various types of outlet elements coupled to the fiber producing device.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. The apparatuses and methods described herein may be used to simultaneously create microfibers and nanofibers.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers, that include additives that modify one or more properties of the produced fibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Fiber producing devices with features that enhance fiber production and adaptability to different types of fiber are described.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Use of material transfer conduits allows the continuous production of fibers without the need to stop the process to refill the fiber producing device.

Abstract: A device for manufacturing finely powdered spherical magnesium includes a gas compressor that compresses argon gas, a gas heating unit that heats the compressed argon gas, and a tundish that receives molten magnesium. The device further includes a reactor having a nozzle injection unit that injects heated argon gas into the reactor, a recovery unit that recovers magnesium powder produced in the reactor, and a first gas cooler that cools the argon gas passing through the recovery unit. The device further includes a filtering unit that filters the cooled argon gas, a buffer tank that receives the filtered argon gas, and a compression blower that adiabatically compresses the argon gas. The device further includes a second gas cooler that cools the compressed argon gas, an adiabatic expansion duct that adiabatically expands the cooled argon gas, supplies the expanded argon gas to the reactor, and cools the magnesium powder.

Abstract: The rotary spinning electrode of elongated shape, serving to carry polymer solution from reservoir of polymer solution or melt into electric field for spinning in devices for production of nanofibers through electrostatic spinning of polymer solutions or melts, including a pair of end faces (2, 3), which are arranged on the carrying mean (1), and between which are mounted the spinning members (41, 42, 43, 44, 45, 46), which are formed of a cord or wire (4). The spinning members (41, 42, 43, 44, 45, 46) are in a skew position to an axis (11) of rotation of the rotary spinning electrode.

Abstract: A method for producing terylene fiber using polyester waste is disclosed. Firstly, dried polyester waste is sent into a screw extruder, then is melt and extruded to be polyester melt. Whereafter, the melt is filtrated twice to remove impurities. Then macromolecule polymerization reaction is taken place in the polyester melt to homogenize the molecular weight of macromoleclar polymer and to increase the viscosity of the polyester. Then the melt with increased viscosity is finely filtrated using melt precision filter. Whereafter, the melt is sent into a spinning box to execute metering spinning, then is cooled and solidified to be filaments. Finally, the filaments are wound according to various process requirements. The method can increase the quality of regenerated polyester spinning melt. The regenerated polyester melt has less impurities and homogenous viscosity after multiple filtrating.

Abstract: Electrospun materials are fabricated using air-flow impedance technology, which results in the production of scaffolds in which some regions are dense with low porosity and others regions are less dense and more porous. The dense regions provide structural support for the scaffold while the porous regions permit entry of cells and other materials into the scaffold, e.g. when used for tissue engineering.

Abstract: Nanofibers are manufactured while preventing explosions from occurring due to solvent evaporation. An effusing unit (201) which effuses solution (300) into a space, a first charging unit (202) which electrically charges the solution (300) by applying an electric charge to the solution (300), a guiding unit (206) which forms an air channel for guiding the manufactured nanofibers (301), a gas flow generating unit (203) which generates, inside the guiding unit (206), gas flow for transporting the nanofibers, a diffusing unit (240) which diffusing the nanofibers (301) guided by the guiding unit (206), a collecting apparatus which electrically attracts and collects the nanofibers (301), and a drawing unit (102) which draws the gas flow together with the evaporated component evaporated from the solution (300) are included.

Abstract: A spherical tungsten carbide powder is characterized by that the material has a microhardness higher than 3600 kgf/mm2, and that the powder has an apparent density from 9.80 to 11.56 g/cm3. A method for the manufacture of a powder comprises the steps: a) providing a chamber comprising a rotatable crucible, b) adding material into said rotatable crucible, c) melting the material using a plasma arc discharge, d) rotating the crucible to atomize the molten material to form liquid droplets, with subsequent cooling of the droplets to obtain a powder, wherein the material added into said rotatable crucible is heated to a temperature above 40% of the melting temperature of the material before it enters the crucible. It is possible to reduce the current required for melting the stock. Heat losses are decreased, and the spherical powder obtained during atomization becomes more homogeneous in its composition and structure. The cost is reduced.

Abstract: The various embodiments herein provide a system and method for enhancing polymerization and nanoparticles production using a disc reactor. The system comprises of a rotating disc comprising a first surface and a second surface arranged longitudinally along a single axis of rotation, a shaft attached to the rotating disc, a ring provided across the first surface and the second surface of the rotating disc, at least one feed inlet for providing a feed solution, a fluid inlet for providing a heat transfer fluid, a fluid outlet for exiting the heat transfer fluid, a product collector for collecting the produced nanoparticles and a product outlet for exiting the produced nanoparticles. The feed solution flows from the first surface to the second surface of the rotating disc due to centrifugal forces and gets accumulated on the product collector and exits from the disc reactor through the product outlet.

Abstract: A nanofiber production device produces nanofibers by stretching, in a space, a solution. The nanofiber production device includes: an effusing body which effuses the solution into the space by centrifugal force; a driving source which rotates the effusing body; a supplying electrode which is placed at a predetermined distance from the effusing body and supplies charge to the solution via the effusing body; a charging electrode to which a potential of reverse polarity to a polarity of the effusing body is applied, with the charging electrode being placed at a predetermined distance from the effusing body; and a charging power source which applies a predetermined voltage between the supplying electrode and the charging electrode.

Abstract: A method for producing tables made of mixtures of a plurality of materials, and a method for producing a sulfurous fertilizer. A method for producing tablets made of mixtures of a plurality of materials, particularly urea mixtures, having the following steps:—producing a liquid melt of a first material,—adding at least one further material in solid or liquid form to the melt for producing a mixture,—output of drops of the mixture onto a steel belt by means of a drop former having a rotating, perforated outer drum,—solidification of the drops of the mixture on the steel belt into tablets, wherein the at least one additional material is mixed into the liquid melt in liquid form immediately before the drop former or into the liquid melt in solid. form upstream of a two-stage heated grinding and mixing unit.

Abstract: Capsules and particles with at least one encapsulated and/or entrapped agent, such as therapeutic agent, imaging agents, and other constituents may be produced by electrohydrodynamic processes. More particularly, the agent encapsulated in a vehicle, capsule, particle, vector, or carrier may maximize treatment and/or imaging of malignant cancers while minimizing the adverse effects of treatment and/or imaging.

Abstract: A novel spinner, for fiberizing hollow, irregularly-shaped insulating fibers is the subject matter of the present invention. The spinner is unique in a sense that its hole/slot pattern can be done by some standard drilling/milling techniques, which lower the cost of manufacturing. The invention uses two molten glasses (A and B) of different coefficients of thermal expansion, which are moved outwardly around the corresponding gas orifices by centrifugal force in a spinner pot. A stream of pressurized combustion gases is thrust through these central gas orifices to produce a hollow, non collapsible fiber of irregular shape. Molten glass A is introduced from the bottom of the spinner, and molten glass B is introduced above an uppermost flange and by means of centrifugal force, the two glasses A and B are forced upwardly and downwardly, respectively, into fiberizing centers.

Abstract: The invention relates to a nanofiber web preparing apparatus and method via electro-blown spinning. The nanofiber web preparing method includes feeding a polymer solution, which is a polymer dissolved into a given solvent, toward a spinning nozzle, discharging the polymer solution via the spinning nozzle, which is charged with a high voltage, while injecting compressed air via the lower end of the spinning nozzle, and collecting fiber spun in the form of a web on a grounded suction collector under the spinning nozzle, in which both of thermoplastic and thermosetting resins are applicable, the solution does not need to be heated and electrical insulation is readily realized.

Abstract: Systems for pelletizing hot asphaltenes are provided. Asphaltenic hydrocarbons can be dispersed to provide two or more asphaltenic particles. The asphaltenic hydrocarbons can be at a temperature of from about 175° C. to about 430° C. The asphaltenic particles can be contacted with a film of cooling medium. The film can have a thickness of from about 1 mm to about 500 mm. At least a portion of the asphaltenic particles can be solidified by transferring heat from the asphaltenic particles to the cooling medium to provide solid asphaltenic particles. The solid asphaltenic particles can be separated from at least a portion of the cooling medium.

Abstract: A granulation process wherein a liquid is sprayed into a prilling tower (1) by means of a rotating prilling bucket (15) having a perforated side wall (15a), and the liquid jets exiting said perforated side wall are subjected to a vibrating action according to the axial direction (A-A) of the prilling tower (1), while the remaining liquid mass inside the bucket is kept substantially free from said vibrating action. A suitable apparatus is also disclosed, wherein the peripheral side wall (15a) of the prilling bucket (15) is connected to vibration imparting means and has a flexible connection with the frame (15b, 15c) of the bucket.

Abstract: An apparatus for forming particles from a liquid, including a rotor assembly having at least one surface sized and shaped so as to define at least one capillary. Each capillary has an inner region adjacent an axis of rotation of the rotor assembly, an outer region distal from the axis of rotation, and an edge adjacent the outer region. The rotor assembly is configured to be rotated at an angular velocity selected such that when the liquid is received in the inner region of the at least one capillary, the liquid will move from the inner region to the outer region, adopt an unsaturated condition on the at least one surface such that the liquid flows as a film along the at least one surface and does not continuously span the capillary, and, upon reaching the edge, separates from the at least one surface to form at least one particle.