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| Number | Title | Issue Date |
| 7942110 | Electrostatic coating device An electrostatic coating device (10) comprising a body defining to an interior chamber (13) communicating with the exterior by means of a first coating powder inlet conduit (14) and a second outlet conduit (15) for said powders, a plurali... | 05/17/2011 |
| 7329320 | Apparatus for electrifying particle apparatus for scattering particle Disclosed is an apparatus for electrifying spacers and an apparatus for scattering spacers using the same. For the purpose of maintaining a cell gap of a LCD, the spacer is electrified to have a first electrified voltage by a first electrifying pipe having a first c... | 02/12/2008 |
| 7308865 | Installation for the electrostatic oiling of metal strips An installation for the electrostatic oiling of metal strips, with an integral system for heating the fluid circuits which allows the application of products which are solid at room temperature with melting point of 30-50° C., wherein the main heated components of ... | 12/18/2007 |
| 7241344 | Apparatus and method for electrostatic spray coating of medical devices An apparatus and method for electrostatic spray deposition of small targets, such as medical devices like stents. The apparatus includes a target holder which applies a first electrical potential to the target, and an electrostatic dispensing nozzle which applies a ... | 07/10/2007 |
| 7214426 | Production of polypropylene fine monofilaments, polypropylene fine monofilaments and use thereof In a process for producing fine monofilaments having improved abrasion resistance from a polypropylene having a melt flow index (MFI)230° C./2.16 kg of 2–16 g/10 min at a linear density of 5–20 dtex (0.027 mm–0.053 mm), a compound consisting of 80 ... | 05/08/2007 |
| 7163612 | Method, apparatus and article for microfluidic control via electrowetting, for chemical, biochemical and biological assays and the like An active matrix microfluidic platform employs thin film transistor active (“TFT”) matrix liquid crystal display technology to manipulate small samples of fluid for chemical, biochemical, or biological assays without moving parts, for example, using a two-dimens... | 01/16/2007 |
| 7156045 | Coating machine A coating machine having a coating material discharging mechanism for discharging a previously filled coating material under pressure to an atomizing mechanism wherein a coating material bag for filling a coating material is housed in a coating material discharging ... | 01/02/2007 |
| 7141504 | Method and apparatus for anisotropic etching There is disclosed a method of treating a substrate material or a film present on the material surface comprising cyclically performing the following steps: (a) etching the material or film; (b) depositing or forming a passivation layer on the surfaces of an etched ... | 11/28/2006 |
| 7083683 | Apparatus for the formation of coverings on surfaces of solid bodies in a coating chamber An apparatus for the forming a covering on surfaces of solid bodies in a coating chamber. The covering is homogeneous and has a constant layer thickness on the surface of the solid bodies while being flexible for use of different liquids including solid materials. A... | 08/01/2006 |
| 7052569 | Method for producing a high-quality insulation of electric conductors or conductor bundles of rotating electrical machines by means of spray sintering The present invention discloses a process for producing a high-quality insulation for conductors or conductor bundles of electrical machines by means of spray-sintering. Unlike in the prior art, it is possible to apply internal corona-discharge protection, insulatio... | 05/30/2006 |
| 6959884 | Triboelectric sprayer The invention concerns a triboelectric sprayer for spraying electrostatic powder paint, comprising a powder intake, an air intake, a conduit transporting air and powder while providing the electrical charge of the powder and, in front of the charging conduit, means ... | 11/01/2005 |
| 6913214 | Powder bell purge tube In a powder atomizer for series coating of workpieces, additional air is led from a separate channel into the path of the powder-air mixture which exits from the powder channel of the atomizer, air which can be used during the coating to influence and change the mix... | 07/05/2005 |
| 6739518 | Spray applicator An apparatus and method are disclosed for efficiently applying a test substance to a test unit by atomizing a solution or suspension of the test substance and electrostatically attracting the atomized droplets to the test unit. This apparatus and method can be used ... | 05/25/2004 |
| 6666918 | Electrostatically assisted coating apparatus with focused web charge field A system for applying a fluid coating onto a substrate includes forming a fluid wetting line by introducing a stream of fluid onto a first side of the substrate along a laterally disposed fluid-substrate contact area. An electrical force is created on the... | 12/23/2003 |
| 6312740 | Method and apparatus for electrostatically applying an edible coating to a food product item A method and apparatus, for applying electrostatically charged particles of an edible coating material to a surface of a food product to be coated, incorporates a fluidizing hopper for containing the material. The hopper includes an agitating system inclu... | 11/06/2001 |
| 6284047 | Rotary atomizing head type coating device A rotary atomizing head type coating system capable of multiple color changes in the course of a coating operation. A housing (12) with a coating machine (19) is mounted on a wrist portion (5) of a coating robot. Provided for the coating system are a plur... | 09/04/2001 |
| 5827578 | Process and device for deacidifying printed material and paper products of all kinds The present invention concerns a process as well as a device for deacidification of printed materials and paper products of all kinds, especially books. In order to avoid the so-called half-moon effect, i.e., an inadequate treatment caused by the narrow s... | 10/27/1998 |
| 5820941 | Powder spray coating Apparatus for powder spray coating comprises means (4) for electrostatically-charging powder entrained in air, a conduit (6) for transporting the electrostatically charged powder from the charging means (4) to an internal chamber (12) in a spray head (8),... | 10/13/1998 |
| 5749973 | Apparatus for spraying particulate material in an evaporatable dispersion having elecrical potential An apparatus for spraying a spacer material having a sprayer for spraying the spacer material; a charger for applying an electrical charge to the spacer material; and a device for imparting a potential to an electrode disposed in the rear of a plate for c... | 05/12/1998 |
| 5749529 | Method of producing corona discharge and electrostatic painting system employing corona discharge An electrostatic painting system for painting an object or article under corona discharge. The system comprises a spray gun which is formed at its tip end with annular air ejection opening through which air is ejected under pressure to atomize liquid pain... | 05/12/1998 |
| 5686149 | Spray device and method for powder coating material A spray device and method for the coating of objects with powder coating material. A high voltage electrode or several electrodes are located on only one side of the coating material stream in the vicinity of a spray orifice for electrostatically charging... | 11/11/1997 |
| 5676756 | Rotary atomizing electrostatic coating apparatus and a method of use thereof A rotary atomizing electrostatic coating apparatus includes a plurality of paint nozzles and a solvent nozzle. Each paint nozzle communicates uniquely with a respective paint source separate by respective paint passages which are pathwise separate from ea... | 10/14/1997 |
| 5520738 | Powder applicator device, particularly for cigarette making machines A device for applying bronze or similar powder, particularly in a cigarette making machine, uses a corona discharge wire (36) or similar conductor maintained at high voltage to establish an electrostatic field which causes powder to be attracted to prepar... | 05/28/1996 |
| 5500045 | Electrostatic spraying machine for coating products An electrostatic spraying machine for coating product comprises a hollow insulative material beam disposed horizontally over objects to be coated and carrying at least one coating product sprayer. The beam encloses a plurality of coating product supply ho... | 03/19/1996 |
| 5378505 | Method of and apparatus for electrostatically spray-coating work with paint A herein is a method of and an apparatus for electrostatically spray-coating a workpiece with electrically-conductive paint. The workpiece is first sprayed with the paint directly subjected to a high voltage from a rotatable atomizing type spray gun so as... | 01/03/1995 |
| 5326598 | Electrospray coating apparatus and process utilizing precise control of filament and mist generation An electrospray coating head system for applying thin coating to a substrate comprising a slot or blade to meter a liquid onto a shaping structure which forces the liquid to have a single continuous and substantially constant radius of curvature around th... | 07/05/1994 |
| 5316800 | Spraying of liquids A coating is applied to a substrate by conveying the substrate past a number of liquid spraying nozzles (32) to which high voltage is applied to produce spray in the form of liquid ligaments which deposit as such, or in the form of droplets, on the substr... | 05/31/1994 |
| 5169673 | Method and apparatus for electrostatically spray painting objects in a spray paint booth A spray painting booth for electrostatically painting objects includes encapsulated electrically charged panels which are adapted to repel electrically charged paint particles that are produced by an electrostatic spray painting device. The electrostatic ... | 12/08/1992 |
| 5156880 | Space charge electrostatic coating method and apparatus A method and apparatus for electrostatically spraying conductive coating material onto objects, primarily large extended objects, by charging with a relatively large charge the space behind the surface to be coated. With hollow objects, such as automobile... | 10/20/1992 |
| 5049404 | Method and apparatus for applying ultra-thin coatings to a substrate An electrostatic coating method and apparatus are provided that are capable of applying an extremely thin and virtually constant thickness coating to a substrate, and includes a coating applicator having an opening formed of dielectric material through wh... | 09/17/1991 |
| 5002793 | Process for forming film in a three-chambered apparatus having two chamber faces coated with films of at least 106 Ω cm resistance A process for the formation of a deposited functional film by separately introducing, into a film-deposition space (A) for forming a deposited film on a substrate, a precursor as the starting material for forming a deposited film which is formed by applyi... | 03/26/1991 |
| 4923123 | Spray coating device for atomization of fluid coating material A spray disk (4) rotating at high speed and connected to high voltage surrounds a guide rod (30) and can be reciprocated up and down along said guide rod, the latter being of a stationary arrangement. This permits the use of drive means (34, 50) which ext... | 05/08/1990 |
| 4911099 | Painting system for painting finned-tube heat exchanger A painting system for painting a finned-tube heat exchanger suspended from a conveyor line so as to be conveyed thereby, comprises: (i) means for spraying on said heat exchanger with a water-soluble paint; (ii) means for air-blowing on said heat exchanger... | 03/27/1990 |
| 4909180 | Assembly of electrostatic rotary sprayers A rotary type electrostatic spray coating device comprising two or more side spray coating units having two or more spray heads separated from each other at a distance larger than a width of the coating pattern of each spray head, and the same negative hi... | 03/20/1990 |
| 4879137 | Method and apparatus for electrostatic coating with conductive material In an apparatus for electrostatically coating workpieces with an electrically conductive coating material, an intermediate isolation tank (V) is conencted by electrically insulating conduit lines (LVA, LVB, LZA, LZB) between an electrically grounded coati... | 11/07/1989 |
| 4830872 | Electrostatic coating blade and method of applying a thin layer of liquid therewith onto an object An electrostatic blade is disclosed having a slot extending the length of the blade and leading from a central duct to an outlet. A surface made of non-conductive material extends in front of the outlet and terminates in a discharge edge which is spaced 0... | 05/16/1989 |
| 4826703 | Method and apparatus for electrically controlling coating layer dimensions A method and apparatus are provided for controlling the width and improving edge thickness uniformity of a layer of coating material electrostatically deposited on a moving web surface. The apparatus preferably includes a coating applicator, a rotatably m... | 05/02/1989 |
| 4810522 | Bath-fed electrostatic coating applicator and method A method and apparatus for electrostatically applying a layer of coating material to a moving substrate. In a preferred embodiment, a threaded shaft formed of dielectric material, having one end thereof coupled to a drive motor, has a portion of its threa... | 03/07/1989 |
| 4785995 | Methods and apparatus for conducting electrostatic spray coating The invention provides methods and apparatus for conducting electrostatic spray coating by which an improved coating layer made uniform in gloss, hardness, weather-tightness, and other characteristics is obtained on an object to be coated. The coating lay... | 11/22/1988 |
| 4784331 | Electrostatic spray gun device and cable assembly An electrostatic spray device and cable assembly for charging coating material applied to an article in industrial finishing operations includes a gun body having a powder flow passageway and a dielectric sleeve contained within the passageway such that t... | 11/15/1988 |
