| Patent Number |
Title Of Patent |
Date Issued |
| 6854665 |
System for spraying a powder coating product and sprayhead incorporated in it |
February 15, 2005 |
| A system for spraying a powder coating product includes a rotary sprayhead which is preferably of the type which is electrostatically charged. The sprayhead has a rotary part which can be driven in rotation. A narrow flow space in the sprayhead in the form of a flat ring incorporates a f |
| 6592054 |
Device for spraying coating product and rotating spray element for such a device |
July 15, 2003 |
| This device comprises a rotating spray element, such as a bowl, and drive means, such as a rotor, adapted to drive said element in rotation.It further comprises means for magnetic coupling between the rotating element and the drive means. An air-gap is formed between the coupling means w |
| 6391392 |
Process and station for changing product in an installation for spraying coating product |
May 21, 2002 |
| A process and station for changing product in an installation for spraying coating product, by bringing a first reservoir towards a suitable area of a cleaning/filling station, separating a sub-assembly composed of the first reservoir and a first spray associated therewith, with respect |
| 6381109 |
Method of controlling safety tripping means in a high voltage generator, and high voltage genera |
April 30, 2002 |
| A safety tripping system is controlled to prevent electrical arcing during use of high voltage apparatus, in particular an electrostatic coating product applicator. The safety tripping system is activated if at least one current parameter reaches a threshold. The threshold is varied as a |
| 6349884 |
Process and device for mounting a sub-assembly comprising at least one coating product spray, on |
February 26, 2002 |
| A process and device for mounting a sub-assembly that includes at least one coating product spray on a mobile part of a robot. The method includes:--engaging a support fast with the mobile part in a ring connected to the sub-assembly;--rotating this ring with respect to this support |
| 6347754 |
Atomizing bowl and electrostatic rotary sprayhead unit equipped therewith |
February 19, 2002 |
| The invention concerns an atomizing bowl (4) for coating product electrostatic rotary sprayhead unit (1), said bowl comprising a bell (7) for distributing the product made from a conductive material and arranged to be brought to high voltage when the sprayhead unit is in operation, so |
| 5939993 |
Method for developing a high voltage and device for electrostatic coating product spraying |
August 17, 1999 |
| A method and device for monitoring the production of a high voltage for use in electrostatic application of a coating product, the high voltage being produced by a generator and the monitoring being performed by a circuit for measuring an electrical parameter associated with the high vol |
| 5924631 |
Triboelectric projector, installation for projecting coating product and process for controlling |
July 20, 1999 |
| This invention relates to a triboelectric projector of pulverulent coating product, comprising a channel for charging the coating product, a supply conduit connecting a source of coating product to said projector, a mixture of air and of coating product circulating in said conduit, an |
| 5893517 |
Magnetofluidic suspension turbine |
April 13, 1999 |
| A magnetofluidic suspension turbine combines a fluidic bearing and a magnetic circuit comprising a magnet in the stator and an airgap defined between polepieces of a ferromagnetic circuit between the rotor and the stator. This ferromagnetic circuit includes facing centering members on |
| 5847945 |
Processes, device for producing a high voltage and installation for electrostatic spraying of a |
December 8, 1998 |
| A method and device for monitoring operation of a high voltage generator which converts an input voltage into an output voltage which is higher than the input voltage, by measuring at least one first physical quantity which is representative of the input voltage; deriving at least one |
| 5836722 |
Spraying method and device for cooling a powdered coating product |
November 17, 1998 |
| In a coating plant, the powder feed device is cooled permanently in order to avoid the deterioration of the powder which could be caused by an excessively high temperature. The air for the fluidization of the powder contained in the reservoir (1) is cool, dry air. A heat exchanger (30) |
| 5772125 |
Machine for spraying a coating material |
June 30, 1998 |
| A machine with an on-board supply tank for spraying a coating material. In one embodiment, the spraying machine includes a carriage (3) supporting an arm (4) with an end-mounted holder containing a tank (6) for supplying a spray nozzle (8). The arm further includes a coating material cha |
| 5744190 |
Process and device for spraying a coating product |
April 28, 1998 |
| In a process and device for spraying a coating product onto an article from a sprayer to which coating product is supplied from a reservoir equipped with a piston which is moved along a path in order to transport the coating product to the sprayer, movement of the piston is controlled as |
| 5693143 |
Liquid or powder coating product sprayer device forming an overhead or lateral machine |
December 2, 1997 |
| A coating product sprayer device forms an overhead or lateral machine including a member carrying at least one sprayer mobile relative to objects to be coated and at least one lateral gantry carrying this member, which is adjustable in position in an opening in a front of the gantry. |
| 5685495 |
Device for projecting a coating product having a rotary spraying element and tool for fitting an |
November 11, 1997 |
| System for fixing a rotary spraying element to a drive rotor. According to the invention, the rotary spraying element (12) for projecting the coating product is attached to drive means (14) by means of an elastic coupling element (25). Centrifugal force increases assembly retaining force |
| 5681390 |
Spray booth with a magnetic cleaning scraping bar |
October 28, 1997 |
| A spray booth in which objects are coated by spraying with a finely divided coating material, the booth including: a housing composed of a ceiling which has a lower surface, a plurality of walls each having an inner surface and a floor, the surfaces delimiting a spray space; a system for |
| 5674570 |
Process and installation for projecting a coating product |
October 7, 1997 |
| A process for spraying a coating product composed of: mounting a sprayer on a movable support member of a spraying machine; providing an object having a plurality of surfaces which surfaces include first and second surfaces which are oriented at least approximately vertically during spra |
| 5662272 |
Powder coating product sprayer device |
September 2, 1997 |
| A device for delivering a finely divided coating product to a sprayer. The device includes a conveyer composed of a tube and a worm screw mounted in the tube for transporting the coating product, and a motor coupled to the worm screw for rotating the worm screw. The device is constructed |
| 5630876 |
Coating product sprayer device |
May 20, 1997 |
| A coating product sprayer device forming an overhead machine includes a beam supporting at least one carriage carrying at least one sprayer. The beam comprises two longitudinal members that are parallel to and spaced from each other over the greater part of their length. The carriage is |
| 5503880 |
Method and device for the electrostatic spraying of coating material |
April 2, 1996 |
| A device for the electrostatic spraying of a coating material comprising at least one charge electrode and equipped with an activating trigger connected to the means of supply of the coating material characterized in that it comprises means of adjusting the supply voltage of the said |
| 5500045 |
Electrostatic spraying machine for coating products |
March 19, 1996 |
| 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 hoses for the sprayer(s). The inter |
| 5473947 |
Fluidized powder flowrate measurement method and device |
December 12, 1995 |
| The flowrate of powder in an air-powder mixture circuit comprising a mixture drive area defined by a powder drive device comprising air injector means adapted to inject air in the direction in which the mixture is to be driven is measured by measuring the pressure difference across t |
| 5427619 |
Coating product sprayer device forming an overhead or lateral machine |
June 27, 1995 |
| In a coating product sprayer device forming an overhead machine comprising a boom carrying at least one sprayer mobile relative to objects to be sprayed the boom is moved up and down and to track the objects laterally by flexible strips which form part of the wall of the booth. The inven |
| 5358182 |
Device with rotating atomizer head for electrostatically spraying liquid coating product |
October 25, 1994 |
| A device for electrostatically spraying coating product has a rotating insulative material atomizer head and an axial charging electrode adapted to be connected to a high voltage supply and projecting to the front of the atomizer head to charge the atomized coating product by ionic b |
| 5353995 |
Device with rotating ionizer head for electrostatically spraying a powder coating product |
October 11, 1994 |
| Rotating ionizer head for electrostatic application of an air-powder mixture, in particular for coating objects with powder paint fused by heat. The ionizer head is rotated by a turbine and comprises a deflector incorporating or constituting a charging electrode. A counter-electrode is |
| 5351520 |
Fluidized powder flowrate measurement method and device |
October 4, 1994 |
| The flowrate of powder in an air-powder mixture circuit comprising a mixture drive area defined by a powder drive device comprising air injector means adapted to inject air in the direction in which the mixture is to be driven is measured by measuring the pressure difference across t |
| 5310120 |
Spraying device with an insulated storage tank for electrically conductive coating product |
May 10, 1994 |
| An electrostatic device for spraying electrically conductive liquid coating product comprises a storage tank for the product in which the product is at a high voltage. The tank is defined in a substantially cylindrical cavity formed in an insulative material body and inside in which is a |
| 5292036 |
Adjustable capacity storage tank for liquid product |
March 8, 1994 |
| A storage tank for a liquid product such as a coating product to be sprayed comprises an internal piston dividing the storage tank into a first chamber receiving the coating product under pressure and a second chamber receiving a pressurized actuator fluid. The piston is mechanically cou |
| 5249748 |
Electrostatic spraying installation for conductive liquid coating product |
October 5, 1993 |
| An electrostatic spraying installation for conductive liquid coating product comprises a circuit for distributing fluids including the conductive coating product. At least one coating product sprayer is fed by this circuit and is connected to a variable or interruptible high voltage |
| 5215261 |
Electrostatic sprayer installation for powder coating product |
June 1, 1993 |
| An electrostatic sprayer installation for powder coating product comprises a plurality of powder sprayers and a plurality of powder storage tanks each adapted to contain powder of a specific color. Connecting ends of a plurality of suction tubes for each storage tank are disposed side by |
| 5196067 |
Electrostatic spraying installation for water-based paint |
March 23, 1993 |
| An electrostatic spraying installation for low-resistivity paint comprises a conveyor which conveys large objects such as automobile bodies, to be painted with a substantially constant distance between their respective leading edges. A plurality of sprayers is positioned to paint respect |
| 5149373 |
Installation for applying a coating product |
September 22, 1992 |
| Objects to be coated enter an enclosure and a coating product with specific characteristics is sprayed onto the objects while in the enclosure. There is a respective enclosure for each of a plurality of coating products adapted to be removably attached to an external framework. Changing |
| 5137215 |
Centrifugal device for atomizing a coating product, particularly for application by electrostati |
August 11, 1992 |
| A centrifugal device for atomizing a coating product comprises a generally bowl-shape rotating member having an inside wall substantially perpendicular to the rotation axis of the rotating member between a drive hub and the interior surface of the bowl. The wall defines within the bowl |
| 5106025 |
Coating product sprayer device with rotary sprayer member |
April 21, 1992 |
| An electrostatic coating product sprayer device is provided with quick cleaning means. The sprayer device comprises a rotatable sprayer member and at least one cleaning product nozzle fixed relative to the rotatable member. The nozzle is directed towards a generally convex surface of the |
| 5106024 |
Controlled flowrate coating product sprayer installation |
April 21, 1992 |
| A coating product sprayer installation enabling a rapid change of coating product. The installation includes two parallel distribution branches each containing a piston or membrane type intermediate storage tank defining an actuation chamber actuated by a liquid, the branches being conne |
| 5096126 |
Electrostatic spraying installation for spraying an electrically conductive liquid product and e |
March 17, 1992 |
| At least part of an electrostatic spraying installation for spraying an electrically conductive liquid product such as a coating product is grounded. The installation includes at least one intermediate storage tank that is electrically insulated from ground and at least one electrostatic |
| 5094389 |
Installation for electrostatic application of conductive coating product |
March 10, 1992 |
| An installation particularly suited to use in the automobile industry for electrostatic application of conductive coating product is partly at a high-tension voltage and partly grounded, these parts being separated by at least one temporary insulating device. The electrostatic sprayer is |
| 5088519 |
Device for connecting two conduit parts |
February 18, 1992 |
| A device for connecting two conduit parts, in particular two parts of a pollutant fluid circuit, comprises a first connector part enclosing a first valve member elastically urged towards a first valve seat to isolate a fluid outlet. A second connector part comprises a tubular element |
| 5083711 |
Electrical insulator device in the form of a section of pipe and installation comprising same |
January 28, 1992 |
| An electrical insulator device is in the form of a section of pipe for a conductive liquid. The device comprises an insulative casing accommodating a mobile assembly and an expandable pipe part is connected between one end of the casing and this mobile assembly, which carries ano-ring fo |
| 4998672 |
Manually controlled spraying installation and sprayer |
March 12, 1991 |
| An installation for spraying a coating product includes a manually controlled pneumatic sprayer operated by a trigger. The compressed air flowrate is varied according to the position of the trigger. The coating product feed system can include a gear pump driven at variable speed by a |
| 4962724 |
Installation for spraying coating product, notably water-soluble paint |
October 16, 1990 |
| An installation for spraying coating product, such as water-soluble or metallic paint to be sprayed onto automobile bodies, comprises a coating product change unit on a downstream side of which is at least one distribution pipe. This feeds at least one sprayer for the coating product |
| 4928880 |
Pumped coating product spraying installation |
May 29, 1990 |
| An installation for spraying a coating product in liquid form, as in the automobile industry, comprises at least one circuit and, in that circuit, a pump, at least one sprayer, and a flexible conduit connecting an outlet of the pump to the sprayer. The flowrate of liquid in the conduit i |
| 4921172 |
Electrostatic sprayer device for spraying products in powder form |
May 1, 1990 |
| An electrostatic sprayer device for spraying products in powder form comprises an air-powder mixture pipe with an ejector orifice at one end. It has a charging electrode adjacent this orifice and a counter-electrode coaxial with and to the rear of the charging electrode relative to the |
| 4912588 |
High-tension voltage generator and method of protecting same against electrical arcs |
March 27, 1990 |
| In an electrostatic paint spraying installation or the like, a high-tension voltage generator comprises a voltage rectifier-multiplier in a mobile subsystem and a grounding connection in a fixed subsystem. A conductive wire connects an input terminal of the voltage rectifier-multiplier t |
| 4811906 |
Rotary spray head suitable for electrostatic painting |
March 14, 1989 |
| A rotary spray head comprises a shaft in a longitudinal cavity in a body with spray means mounted on one end of the shaft and projecting axially from the body. At least one magnetic bearing is provided to support the shaft at least partially in the radial direction. The magnetic bearing |
| 4797038 |
Powder recovery method and device |
January 10, 1989 |
| A method of recovering powder, for example in a powder-coating installation, uses processing plant adapted to operate at a pressure different to atmospheric pressure. Powder accumulating in a receptacle communicating with the processing plant is fluidized and a pressure head of fluid |
| 4795094 |
Apparatus for spraying a powder coating with enclosure surrounding a vibrating hose |
January 3, 1989 |
| A powder product to be sprayed is conveyed by a stream of gas in a flexible conduit between a storage tank and a spray orifice from which a mixture of the gas and the product is ejected. The mixture is agitated upstream of and in the vicinity of this orifice by oscillating a section of t |
| 4785760 |
Sprayer installation |
November 22, 1988 |
| A sprayer installation suitable for spraying water-based paint includes a multi-axis robot carrying a sprayer. A conveyor carries objects to be sprayed past the robot. Respective circuits for distributing products to be sprayed comprise first connection devices at fixed locations within |
| 4767057 |
Spray nozzle |
August 30, 1988 |
| A spray nozzle comprises a liquid passage, spray air passages adapted to create a divergent jet of sprayed liquid and shaping air passages for shaping this jet. The shaping air passages include first passages having axes coplanar with the liquid passage. They converge to form a divergent |
| 4737887 |
Electrostatic spray device provided with electric-arc protection means |
April 12, 1988 |
| An electronic safety device to prevent electrical arcing in electrostatic sprayer apparatus for spraying material such as paint comprises a device for generating a very low voltage AC signal in a fixed supply and control unit and a voltage step-up device in a mobile sprayer. A device sen |
