A powder supplying device (2) includes a case (6) in which a storage portion (6a) is formed for temporarily storing powder (10), the case (6) having an inlet (6b) formed in an upper end of the storage portion (6a), and a rectangular outlet (6c) formed in a lower end of the storage portion (6a); a rotor (7) that is arranged in the case (6) and transports the powder (10) in the storage portion (6a) to the outlet (6c) by rotating; and a mesh body (8) through which the powder (10) that has been transported to the outlet (6c) passes. The powder supplying device (2) supplies the powder (10) onto an upper surface of an electrode foil (5). The rotor (7) has a brush-like shape, with a plurality of hair members (7b) radially implanted pointing radially outward with an axial center (G) of the rotor (7) as the center.

A system and method for coating a substrate, the system including integrated powder coating material preparation and deposition of powder coating material onto a substrate. The system includes a feed input that processes the powder coating materials for use in a filament extension atomizer. The filament extension atomizer stretches fluid filaments of the powder coating material to form droplets of powder coating material. The droplets of powder coating material are partially cooled to prevent agglomeration and to form a powder coating material suitable for electrostatic deposition. The cooled powder coating material is electrostatically charged and directed onto the substrate surface, where it is deposited due to the electrostatic potential between the substrate and cooled droplets. The deposited powder coating material is then cured to the substrate to form a cohesive film of coating material across the substrate.

An electrode production apparatus includes: an aerosol-supplying part; a support part; and an electric-field-forming apparatus, wherein the aerosol-supplying part includes an aerosol-preparing part and a porous electrode, the aerosol-preparing part is to mix an active material powder, a binder, and a gas to prepare an aerosol, the porous electrode is interposed between the aerosol-preparing part and the support part, the support part is to support a substrate, the substrate is positioned at a distance from the porous electrode, the electric-field-forming apparatus is to form an electric field between the porous electrode and the support part, and the aerosol-supplying part is to supply the aerosol to the electric field through the porous electrode.

A system and method for coating a substrate, the system including integrated powder coating material preparation and deposition of powder coating material onto a substrate. The system includes a feed input that processes the powder coating materials for use in a filament extension atomizer. The filament extension atomizer stretches fluid filaments of the powder coating material to form droplets of powder coating material. The droplets of powder coating material are partially cooled to prevent agglomeration and to form a powder coating material suitable for electrostatic deposition. The cooled powder coating material is electrostatically charged and directed onto the substrate surface, where it is deposited due to the electrostatic potential between the substrate and cooled droplets. The deposited powder coating material is then cured to the substrate to form a cohesive film of coating material across the substrate.

An electrostatic atomizing coating apparatus and method incorporate a rotary head having a base portion, an open end and a plurality of grooves formed radially on an inner peripheral surface of the open end, an inside diameter of the rotary head increasing from the base portion toward the open end, and a motor configured to rotate the rotary head to discharge a thread-shaped paint. A voltage is applied to the rotary head so as to form an electrostatic field between the open end of the rotary head and an earthed coating target and to electrostatically atomize the thread-shaped paint discharged from the open end. Voltage output from the generator is controlled so as to adjust an intensity of the electrostatic field and to control a particle diameter of the electrostatically atomized thread-shaped paint.

An additive manufacturing system includes an additive manufacturing tool configured to supply a plurality of droplets to a part, a temperature control device configured to control a temperature of the part, and a controller configured to control the composition, formation, and application of each droplet to the plurality of droplets to the part independent from control of the temperature. of the part via the temperature control device. The plurality of droplets is configured to build up the part. Each droplet of the plurality of droplets includes at least one metallic anchoring material.

An exemplary embodiment of the present invention provides an electrostatic metal porous body forming apparatus including: a transfer module transferring a porous body substrate; and a coating module coating a metal powder on the porous body substrate, wherein the transfer module includes a substrate supporter fixing the porous body substrate while the porous body substrate is transferred, and wherein the coating module includes: an electrifier including a first electrode electrifying the metal powder, a second electrode facing the first electrode, a first power supplier connected with the first electrode supplying electricity to the first electrode, and a second power supplier connected with the second electrode supplying electricity electrified with an opposite charge to a charge caused by the electrification of the first electrode to the second electrode, and generating a pulse type of voltage; and a metal powder supplier including a metal powder vessel storing the metal powder therein and supplying the metal powder to the outside, and an outlet separately disposed above or below the porous body substrate injecting the metal powder, and transferring or injecting the metal powder that is electrified and coated by the electrifier.

Methods and apparatus provide for spray drying a liquid product into a dried powder without applying heat, including: forming a slurry including a liquid solvent, a carrier, and an active ingredient; applying an electrostatic charge to the slurry; atomizing the charged slurry to produce a plurality of electrostatically charged, wet particles; suspending the electrostatically charged, wet particles for a sufficient time to permit repulsive forces induced by the electrostatic charge on at least some wet particles to cause at least some of such particles to divide into wet sub-particles; and continuing the suspending step, without the presence of any heated drying fluids, for a sufficient time to drive off a sufficient amount of the liquid solvent within most of the wet particles to leave a plurality of dried particles (the powder), each dried particle containing the active ingredient encapsulated within the carrier.

An apparatus for surface treatment of a workpiece in a production line comprises a positioning frame (1) for the workpiece to be treated. The positioning frame has a coupling (3) for a positioning drive (4). In order to achieve an increase in the production cadence irrespective of the type of surface treatment without having to accept losses with regard to the surface quality of the coating, a hermetically sealable capsule (2) is supported against the positioning frame (1), which capsule (2) has connection lines (5) for the exchange of operating media with different operating medium supply units (6) arranged along the production line.

An arrangement is disclosed for the preferably automatic coating of objects with a coating material, in particular coating powder. The arrangement includes at least one spray device having a spray nozzle via which the coating material is dispensable in a main spraying direction. An extension is further provided, wherein an end region of the extension facing the spray device is preferably detachably connected to an end region of the spray device associated with the extension opposite from the spray nozzle. The arrangement further includes a preferably horizontally extending guide via which the extension with the spray device connected thereto can be longitudinally moved in the direction of extension of the guide relative to the object to be coated. The main spraying direction of the spray nozzle may be implemented so as to deviate from the direction of extension of the guide by a predefined or definable angle.