Abstract: A method and apparatus for applying a liner to a pipe is disclosed. The apparatus includes a base assembly having a plurality of guide rails and a shuttle plate attached thereto. The apparatus also includes a motor module attached to an end of the base assembly. An extension arm is connected to a top surface of the shuttle plate. The extension arm has a spray head assembly attached at an opposite end thereof. The extension arm and spray head assembly will move relative to the base assembly of the apparatus. A fast cure coating will be applied via the spray head assembly to the interior surface of a pipe being rehabilitated. The spray head assembly will have an air blow off mechanism therein thus allowing for the tip of the spray head assembly to stay relatively clog free during the fast cure coating operation of the apparatus.

Abstract: The present invention is a coating unit for applying a coating solution on a substrate, comprising: a container enclosing the substrate; a casing for accommodating the container therein; a supply device for supplying a predetermined gas into the casing; a first exhaust pipe for exhausting an atmosphere inside the container; a second exhaust pipe for exhausting an atmosphere inside the casing; a first adjusting device which is disposed in the first exhaust pipe, for adjusting a flow rate of an atmosphere passing through the first exhaust pipe; and a second adjusting device which is disposed in the second exhaust pipe, for adjusting a flow rate of an atmosphere passing through the second exhaust pipe. According to the present invention, the second exhaust pipe is usable for adjusting the exhaust flow rate to maintain a pressure inside the casing at a positive pressure.

Abstract: A method and apparatus for depositing a layer of foamed plastic material on a roof surface and along a path thereon comprises controlling the movement of a spray applicator along the path such that the rate of movement of the applicator varies for a layer of foamed plastic material deposited on the roof surface to slope relative thereto along the path.

Abstract: The installation for coating a workpiece with powder in accordance with the invention comprises a powder spray device and a guide arm, the powder spray device being supported in such a manner as to be rotatable with respect to the guide arm around a rotation axis and giving rise to a principal powder spraying direction that differs from the rotation axis.

Abstract: The invention is directed to an apparatus, or system, for applying a multi-component liquid liner composition to an inner surface of a conduit. The system comprises a first reservoir having a first liquid liner component; a second reservoir having a second liquid liner component, the second liquid liner component being different from the first liquid liner component; a first liquid liner component transmission line in communication with the first reservoir; a second liquid liner component transmission line in communication with the second reservoir; and an applicator in communication with the first and second liquid liner component transmission lines. Methods of applying multi-component liquid liner compositions to the inner surface of conduits are also disclosed.

Abstract: A device for application of a liquid gluing system comprising at least two components, such as a resin component and a hardener component, the device comprising at least two hollow members (11, 11?), each member being provided with a row of orifices designed to apply the respective components onto a substrate (6) below the hollow members (11, 11?), and at least two trays (2, 2?) one tray below each of the hollow members to receive surplus of the respective component not being applied onto the substrate, wherein the hollow members (11, 11?) are adapted to be placed in the respective tray (2, 2?) having the orifices below the level of the liquid in the tray. A method for avoiding plugging of the orifices in the hollow member during a stop in application is also described.

Abstract: A method and device of treating an irregularly shaped article to prepare the article for painting is provided. The device includes a burner which can produce an adjustable flame tongue which can fit into crevices, openings and other irregular topographical features of an item to be painted or otherwise coated. The burner device further provides means to apply a grafting chemical on a freshly oxidized surface. Further, the invention provides means to colorize treated objects so that they may be recognized as having been treated. In another embodiment, the grafting chemicals may be enhanced with electrolytic solutions such that electrostatic methods of painting may be subsequently employed on the item. In an alternate embodiment, the burner is adapted to spray a powder inside of a generally enclosed flame, and is used in conjunction with chop guns to manufacture glass or carbon fiber preforms.

Abstract: An adjustable spray apparatus with multiple outlet for applying a flowable coating onto a non-vertical surface. A carriage includes an outwardly extending arm with a plurality of downwardly facing spray tips connected to a manifold mounted on the carriage. The manifold, in turn, is connected to a remotely located reservoir of flowable material. An auxiliary spray gun in connected to the manifold.

Abstract: The present invention provides a method for making a color filter having a plurality of filter elements aligned in a dot-matrix on a substrate. The method has a first-scanning step of moving the inkjet head having a nozzle line including a plurality of nozzles relative to the substrate while selectively discharging a filter material from the plurality of nozzles so as to form filter elements on filter element forming regions of the substrate and a second-scanning step of moving the inkjet head by a second-scanning distance ? in a second-scanning direction. The plurality of nozzles are divided into a plurality of groups and the first-scanning step and the second-scanning step are repeated so that all the nozzle groups scan the same section of the substrate.

Abstract: An apparatus for creating a random image is disclosed. The apparatus has a first support member with a hanging applicator member movably connected thereto. The hanging applicator is provided with at least one reservoir of material to be applied to a substrate. The reservoir has tubing extending from the reservoir for transporting the material to a brush. The brush provides a random pattern of material to a substrate in response to pressure from flowing air.

Abstract: A lane maintenance machine has a cleaning system that includes at least one cleaning liquid dispensing head which reciprocates back and forth transversely of the lane as the machine travels along the length of the lane. In a preferred embodiment the dispensing head emits successive squirts of liquid from a positive displacement pump, such as a peristaltic pump. The positive displacement pump provides accurate, precise metering of the cleaning liquid and affords board-by-board control of the dispensing action. A wiping assembly immediately behind the cleaning liquid dispensing head provides a web of cloth-like material looped under a compressible backup roller to wipe the applied liquid into a thin film and to pick up a measure of the liquid along with oil and dirt.

Abstract: A method and apparatus for incorporating feature substances into a still moist but already sufficiently consolidated paper web provides for directing a feature substance suspension onto the surface of the paper web as a laminar jet with low jet pressure. A special pressure control circuit ensures that the jet pressure is always constant regardless of the number of parallel feature substance suspension jets directed onto the paper web. This makes it possible to incorporate a great variety of line codings in paper under the same process conditions without any visible changes in fiber structure occurring in the paper.

Abstract: A substrate is horizontally held by a substrate holding portion freely movable in the Y-direction, and a nozzle portion is provided above and opposing the substrate, and movable in X-direction corresponding to the coating liquid feeding region of the substrate. A discharge opening is formed at a lower end of the nozzle portion, and a channel connecting the discharge opening with a coating liquid feed tube coupled to an upper end of the nozzle portion is formed within the discharge opening. At the mid-stream of the channel, a liquid pool portion larger in diameter than the discharge opening is formed, the inside of which is provided with a filtering member formed by porous bodies blocking the channel. The filtering member forms a pressure loss portion, which absorbs pulsation occurring at the coating liquid feed tube before it reaches the discharge opening.

Abstract: A polyurethane applicator (10) for spraying at high-pressures a liner on the inner circumferential wall of an existing conduit (C) to be rehabilitated. The applicator (10) includes a carriage (12) coaxially guided in the conduit (C) and an atomizer (16) rotatably mounted to the carriage (12) for rotation about the central axis thereof. The atomizer (16) is provided with a nozzle (62) through which the lining mixture is forced out while the atomizer (16) rotates and travels in conduit with the carriage (12).

Abstract: An apparatus and method for improving the uniformity of a liquid curtain in a coating system comprising a lip of a slide die wherein the lip includes a front surface on which a liquid composition flows by gravity. The apparatus comprises a ledge having a first, second, and third surface portion. The first surface portion is disposed intermediate the second and third surface portions, and is substantially horizontal. The second surface portion is contiguous with the first surface portion and upwardly inclined. The third surface portion is contiguous with the first surface portion and downwardly inclined away from the first and second surface portions.

Abstract: A rotary dispenser that provides for airlessly applying a fluidic coating material to a target surface. The rotary dispenser of the present invention includes an angled fluidic passage therein, a fluid control body and a motor driven shaft to which the rotary dispenser is operationally attached. The rotary dispenser, with its angled fluid passage, provides a flow conduit which produces a series of overlapping circular spray patterns. The resulting spray patterns can be controlled to provide a narrow line spray pattern with clearly defined edges. Another embodiment of the present invention provides a spray pattern for coating the interior surface of hollow objects. A method of using the rotary dispenser in various coating applications is also disclosed.

Abstract: A slit nozzle includes a solution feeding mechanism having an elastic element and a plurality of piezoelectric devices and embedded in a side surface of a flow passage near a slit in the slit nozzle. Control is effected so that the piezoelectric devices are vibrated to cause the elastic element to produce traveling waves toward the slit. A resist solution serving as a processing solution is pumped by the traveling waves, thereby to be discharged through the slit toward a substrate. This provides a substrate processing apparatus capable of smoothly discharging the processing solution to accomplish high discharge accuracy.

Abstract: A self propelled fence painting system for painting a length of fence. The self propelled fence painting system includes a housing that includes a front wall, a back wall and an upper end wall that is coupled to and extends between the front and back walls. The front and back walls are spaced away from each other defining a paint spraying space between the front and back walls of the housing. In one embodiment of the present invention, a portion of the fence to be painted is positionable in the paint spraying space. A drive assembly is mounted on the front wall of the housing for driving the housing on a surface. A spraying assembly is mounted on the front and back walls of the housing for spraying paint into the paint spraying space of the housing. A plurality of guide assemblies guides the system along the length of the fence.

Abstract: A system and method is disclosed for applying polyurethane to a roll that is primarily used in the papermaking industry. One advantage of the present system and method is that the polyurethane may be applied to the roll in one pass of a traversing mechanism along the length of the roll while the roll rotates, thus significantly decreasing processing time of the roll.

Abstract: A coating solution is sprayed on a rotating wafer held horizontally from a nozzle provided above the wafer while the nozzle is travelling over the wafer from a wafer center to a wafer outer area, thus spirally spraying the coating solution on the wafer. The nozzle stops when the coating solution has reached the wafer outer area and the coating solution is sprayed in circle on the wafer outer area while the wafer is rotating. A coating solution including a component of a coating film and a solvent may be sprayed on a first area to be coated of the wafer and the coating solution and a solvent for the coating film may be sprayed on a second edge area located outside the first area of the wafer.

Abstract: Apparatus for spraying a coating onto the outside of a pipe includes a body for mounting on a pipe to be coated. A spray gun is mounted on the body such that it can move relative to the body to spray coating completely around the periphery of the pipe. The apparatus may include only a single spray gun which is able to travel in a 360 degree range of motion around the periphery of the pipe. The apparatus is particularty suited to coating girth welds of a pipeline.

Abstract: A powder atomizer comprises a rotatable powder conveying brush operably associated with a powder supply. A powder receptacle has an inlet and an outlet. The powder conveying brush extends along the inlet and supplies powder to the receptacle. A rotatable powder metering brush is operatively associated with the outlet and withdraws powder from the receptacle. A rotatable powder atomizing brush is operatively associated with and receives powder from the metering brush and discharges the powder. A shoe is operatively associated with the atomizing brush, and is pivotable about a pivot axis between a first and a second position.

Abstract: The present invention is a film forming unit for discharging a coating solution from a coating solution discharge nozzle toward a substrate to form a layer on a surface of the substrate, which has a supply flow path for supplying a cleaning fluid to a discharge flow path continuing to a discharging port of the coating solution discharge nozzle. When the cleaning fluid is positively supplied directly to the discharge flow path of the coating solution discharge nozzle, the supply pressure of the cleaning fluid as well as the capability of cleaning is added. Therefore, further effective cleaning is attained in compare with the conventional case where a coating solution discharge nozzle is simply dipped into a cleaning fluid. In consequence, even when the discharging port of the nozzle is minute, it is possible to perfectly remove the contamination. This allows the discharge pressure to remain constant so as to form a uniform coating layer on the substrate.

Abstract: A manufacturing speed for a laminated member for every layer is increased to improve productivity and at the same time a small-sized manufacturing apparatus capable of being practically realized is provided. A base plate is mounted at a linear predetermined segment path in such a way that it can be reciprocated and moved up and down, each of one to a plurality of an insulating layer forming means for discharging ceramics slurry or insulating resin paste, conductive layer forming means for injecting conductive paste by an ink jet system and drying means for drying said slurry, paste are arranged side by side on the segment path, the thin film layer having a predetermined electrode pattern arranged thereon is formed on the ceramics insulating layer while the base plate reciprocates by once to several times over the segment path, and these operations are repeated to form the laminated member.

Abstract: A sealant applicator 1 is provided for applying a waterproofing treatment to a wire assembly, a plurality of wires are aligned in a line according to their diameters in a holder 4 provided on a wire laying board 3. Positioning members 21 of a main unit 2 are fitted to the holder 4. A pair of nozzles 22 are opposed to each other at the opposite sides of the aligned wires, and is caused to discharge a specified amount of the sealant by a feeding mechanism 26 while being moved in a wire alignment direction by a moving mechanism 27 and being brought closer to the wires by a relatively moving mechanism 25. This enables a variation of clearances between the wires and the nozzles to be reduced and the sealant to be uniformly applied.

Abstract: The present invention is a coating unit for applying a coating solution to a substrate which includes: a discharge nozzle for reciprocating in a predetermined direction above the substrate and discharging the coating solution to the substrate; a holder for holding the substrate and horizontally movable in one direction perpendicular to the predetermined direction; and a cover for covering an upper face of the substrate when the substrate is moved in the one direction to be more forward than the discharge nozzle as viewed from a plane, wherein a lower face of the cover is inclined such as to be higher on the discharge nozzle side. According to the present invention, the cover covering the upper face of the substrate restrains a solvent from evaporating from the coating solution applied on the substrate to secure flatness of a coating film.

Abstract: A liquid crystal dispensing system includes a liquid crystal material container to contain liquid crystal, the liquid crystal material container provided with a first code corresponding to liquid crystal information; a reading unit to read the recognition code; a discharge pump to draw in and discharge liquid crystal from the liquid crystal material container; and a nozzle to dispense liquid crystal from the discharge pump onto a substrate.

Abstract: A robotic paint applicator having a plurality of relatively movable housing enclosures each including an explosion proof motor including a housing having a gas inlet and outlet, and a source of non-combustible gas under pressure connected to each motor housing inlet circulating non-combustible gas through the motor housing and directing non-combustible gas into the robot housing enclosures. The robot housing enclosures are substantially air-tight and interconnected with a control unit operating an inlet valve to maintain a predetermined pressure of non-combustible gas within each robot housing enclosure. The method of this invention includes purging the motor housings and robot enclosures at a first pressure and maintaining a lesser pressure of non-combustible gas following purging.

Abstract: A chemical treating apparatus for performing a predetermined treatment of a principal surface of a substrate by delivering a treating solution thereto. The apparatus includes a treating solution delivery nozzle for delivering the treating solution to the principal surface of a substrate. The nozzle has a treating solution reservoir adjacent a tip end thereof for storing the treating solution. A temperature control device holds the treating solution reservoir to control the temperature of the treating solution in the treating solution reservoir through heat exchange with the treating solution.

Abstract: The present invention relates to a processing method for processing a substrate, and comprises a step of coating a coating solution on a surface of the substrate while relatively moving a coating solution discharge nozzle and the substrate and discharging the coating solution from the nozzle onto the substrate. Thereafter, the substrate is exposed to a solvent atmosphere of the coating solution or the pressure is temporarily applied thereto in a container. Thereafter, the pressure inside the container in which the substrate is housed is reduced to dry the coating solution on the substrate. According to the present invention, it is possible to narrow the so-called edge cutting width, which is at a periphery part of the substrate and is not commercialized, and to maintain an in-plane uniformity of the coating film.

Abstract: The invention relates to an apparatus for coating a substrate (60), in particular a printed circuit board (61), with a device (16) for applying a coating material (material applying device) and a device (14) for supplying a gaseous medium (gas supplying device), the material applying device having an inner tubular element (16). The apparatus is distinguished by the fact that the gas supplying device has an outer tubular element (14) which is arranged coaxially in relation to the inner tubular element (16) and encloses the latter, so that a gas supply channel (19) is formed between the outer tubular element (14) and the inner tubular element (16), the supply channel (19) being designed in such a way that the gaseous medium flows out parallel to the coating material, in order to displace the coating material when it impinges on the substrate (60) and in this way distribute it over the surface area. Furthermore, the invention relates to a method for coating a substrate.

Abstract: A film coating apparatus has a nozzle body and a coating material spreading element having an injection hole communicated with the inside of the nozzle body, and formed integrally with the nozzle body. The apparatus further has a rotation support element and a fixing element for rotatably supporting both ends of a piston for a fixed displacement swash plate type compressor and a pair of first coating material applying elements moveably installed above the rotation support element. The first coating material applying elements have a pair of first nozzles which apply coating material in uniform thickness to circumferential outer surfaces of both head parts of the piston. A second coating material applying element is installed above the fixing element such that it can be moved upward and downward and slid laterally to apply coating material in uniform thickness to a bridge part of the piston.

Abstract: A liquid dispensing apparatus and method that provides for precise adjustment of one or more dispensing modules relative to a substrate. The liquid dispensing apparatus and method includes a manifold which has a liquid discharge orifice that is adapted to connect to a source of liquid, such as adhesive. The manifold further has an elongated slot which has a plurality of walls and a recess portion formed in one of those walls. A mounting block has a flange portion that is disposed in and cooperating with the recess portion of the slot so that the mounting block is retained in and selectively slidable along the slot. A dispensing module with a liquid passageway is removably affixed to the mounting block with the liquid passageway in fluid communication with the liquid discharge orifice in the manifold.

Abstract: A substrate is horizontally held by a substrate holding portion freely movable in the Y-direction, and a nozzle portion is provided above and opposing the substrate, and movable in X-direction corresponding to the coating liquid feeding region of the substrate. A discharge opening is formed at a lower end of the nozzle portion, and a channel connecting the discharge opening with a coating liquid feed tube coupled to an upper end of the nozzle portion is formed within the discharge opening. At the midstream of the channel, a liquid pool portion larger in diameter than the discharge opening is formed, the inside of which is provided with a filtering member formed by porous bodies blocking the channel. The filtering member forms a pressure loss portion, which absorbs pulsation occurring at the coating liquid feed tube before it reaches the discharge opening.

Abstract: This device for supplying coating products to the atomizers of an installation for spraying coating products on objects to be displaced by a conveyor, comprises at least one principal tank, adapted to supply secondary tanks each intended for an atomizer, at least one station for distributing the contents of the principal tank between the secondary tanks, and means for displacing the full secondary tanks towards application robots adapted to displace said atomizers opposite said objects. Each secondary tank forms with the atomizer for which it is intended, a sub-assembly adapted to be displaced, by the afore-mentioned displacement means, between an application member and the distribution station, and vice versa.

Abstract: A method and device of treating an irregularly shaped article to prepare the article for painting is provided. The device includes a burner which can produce an adjustable flame tongue which can fit into crevices, openings and other irregular topographical features of an item to be painted or otherwise coated. The burner device further provides means to apply a grafting chemical on a freshly oxidized surface. Further, the invention provides means to colorize treated objects so that they may be recognized as having been treated. In another embodiment, the grafting chemicals may be enhanced with electrolytic solutions such that electrostatic methods of painting may be subsequently employed on the item. In an alternate embodiment, the burner is adapted to spray a powder inside of a generally enclosed flame, and is used in conjunction with chop guns to manufacture glass or carbon fiber preforms.

Abstract: The present invention provides a finely-divided powder spray apparatus having a spray nozzle pipe for discharging finely-divided powders from the tip together with a gas stream, which is disposed at a prescribed distance from the member to be sprayed and inclined in a prescribed direction to the member; and a moving-speed control means which controls the moving-speed of the tip of the spray nozzle pipe in accordance with the quadratic function, which indicates the reduction rate of the density of the deposited finely-divided powders based on the distance between a peak point of the density of the finely-divided powders deposited on the member to be sprayed in a trial spray and a spray point at which an extension from the spray nozzle pipe intersects with the member to be sprayed.

Abstract: A high-quality color filter substrate is manufactured simply and at low cost by using a color filter substrate manufacturing method of applying a coloring liquid to a substrate surface of a translucent substrate so as to form at least colored layer, including: contacting step of causing a coloring liquid supplied from a coloring liquid supplying section to bring into contact with areas showing lyophilic property to the coloring liquid and areas showing lyophobic property to the coloring liquid, both of the areas being formed on the substrate surface; and applying step of, after the contacting step, causing relative movement between the coloring liquid supplying section and the translucent substrate while continuously supplying a coloring liquid from the coloring liquid supplying section.

Abstract: A device is provided for spraying a coating product including a moving arm able to perform a tracking movement for tracking an object to be coated which is moving in a horizontal plane along an axis of conveying, a sprayer disposed at an end of the moving arm, and a base on which the moving arm is pivotably disposed, the base is rotatable about an axis generally horizontal and generally perpendicular to the axis of conveying and the base is translatable.

Abstract: A pattern forming method has the steps of: forming a pattern by discharging droplets of a conductive material forming solution onto an insulating substrate; forming a conductive layer pattern on the pattern by discharging droplets of a solution which becomes a growth core; and forming a metal pattern by immersing the conductive layer pattern in a plating liquid. The pattern forming method may further have the step of forming a protective layer on a surface of the metal pattern by discharging droplets of an insulating material forming solution except at regions which are to become electrodes of the metal pattern.

Abstract: In a PECVD (plasma enhanced chemical vapor deposition) apparatus including a reaction chamber; plural susceptors installed inside the reaction chamber and horizontally mounted with a wafer respectively; a heating means for heating the susceptors; a power supply unit installed outside of the reaction chamber; a plasma electrode receiving RF power from the power supply unit, generating and maintaining plasma inside the reaction chamber; and a rotation jet spray having two spray injectors horizontally rotating and supplying gas inside the reaction chamber, a thin film is deposited by supplying BTMSM vapor and oxygen retaining gas through the spray injector, supplying hydrogen retaining gas through the other spray injector and horizontally rotating the spray injectors in the supply. Herein, a pressure in the reaction chamber is in the range of 0.1 Torr˜1 Torr, the wafer is heated at 25° C.˜400° C., and RF power in the range of 100 W˜2000 W is applied.

Abstract: The invention device measures the instantaneous rotation speed of a turbine (6) which is housed inside the body (3) of the paint sprayer (2) and which rotationally drives the rotating bowl (5) when the paint sprayer is mounted on the end of an arm (8) of a robot or an analogous multi-axis machine. A disk (10) which is disposed to the rear of the turbine (6) and which rotates therewith, cooperates with the front end (11a) of an optical-fiber-type light guide (11) which is interrupted (11b) at the rear (7) of the body (3) of the paint sprayer (2). Transmitting and receiving optoelectronic means are mounted on the end of the arm on the mounting pane (9) of the paint sprayer, opposite the rear end (11b) of the light guide (11). Said means covert a reflected optical signal which is carried by the optical guide (11) into an electronic signal which is carried by an electric cable (22) placed in the arm (8). The inventive device is suitable for use with machines on automatic painting lines for automotive vehicles.

Abstract: An applicator has a rubber heater (51) attached to the outer peripheral surface of the application member (4) in the vicinity of a nozzle (3). Thereby, the temperature in the vicinity of the nozzle (3) is controlled by a control unit by detecting the temperature using a thermal resistor (52). A change in the viscosity of the viscous material (2) is prevented by keeping the temperature substantially constant, so that the volume of the viscous material from the nozzle (3) is stabilized.

Abstract: A system for supplying a chemical to a substrate to form a liquid film of the chemical on the substrate. The system includes a plate having a slit between a nozzle portion movable in lateral directions, and a substrate held by a substrate holding portion movable in longitudinal directions. Shock eliminating portions, provided at left and right ends of the slit, inhibit mist from being produced from a coating liquid supplied outside of the slit. A pair of shutters are capable of washing the coating liquid received by the surfaces of the shock eliminating portions. In the vicinity of the slit, a suction port is provided over a range corresponding to a movable region of the nozzle for sucking mist produced when the nozzle is scanned to carry out coating. The plate has a slit for dispersing a downward flow outside of the slit.

Abstract: The invention concerns a method which consists in maintaining the two ends (2, 4) of the bar (1) on the end supports (3, 5) of a frame (10), one of the ends (2) being maintained fixed, and in driving the bar in rotation. The invention is characterised in that it consists further in drawing the bar (1) while spraying a coat on the bar, the drawing of the bar corresponding to an elongation of about 0.2 to 0.001%.

Abstract: An applicator boom apparatus comprises an applicator boom extending laterally from a vehicle, and pivotally attached to the vehicle such that the boom can pivot up and down with respect to the vehicle. A kit provides a gauge member adapted to ride along a surface of the ground and support an outer portion of the boom such that the boom moves up and down with the gauge member as the gauge member rides along the ground, and also provides an active hydraulic source powering the shoulder hydraulic cylinder of the apparatus such that the shoulder hydraulic cylinder exerts an upward force on the boom such that a downward force exerted on the gauge member by the boom is reduced.

Abstract: In a color changing apparatus for multiple color electrostatic coating of conductive coating material, a pipe joint (a) provided to be movable and an electrostatic spray gun connected to the pipe joint (a) through a pipeline are provided. A plurality of coating material supply circulation circuits, including a liquid tank, a pump and a pipe joint (b) disengageably engageable with the pipe joint (a) are provided. The liquid tank, the pump and the pipe joint (b) are connected through a pipeline. The pipe joint (a) and the pipe joint (b) in the plurality of coating material supply circulation circuits can be selectively engaged.

Abstract: The installation according to the invention comprises at least one robot of which a mobile part supports at least one sprayer and a tank of coating product connected thereto for feeding the sprayer. The robot bears a second tank adapted to be filled with cleaning product, this second tank being connected to feed cleaning product to the tank of coating product, the sprayer and/or the conduits connecting the first tank to the sprayer. The first tank, the sprayer and/or the conduits can be cleaned in masked time.

Abstract: A reciprocating coating system for coating objects. The reciprocating coating system includes a computer controller for controlling the motion of a coating device, and to allow configuration of system parameters. Configurable parameters include stroke length, stroke center point and stroke speed.

Abstract: An intrinsically safe microprocessor controlled pressure regulator for operation in a hazardous environment. The intrinsically safe microprocessor controlled pressure regulator receives control commands that are input to a microprocessor in the hazardous environment. The microprocessor generates control commands to control operation of an intrinsically safe solenoid valve and an intrinsically safe piezo electric valve. The piezo electric valve generates an output signal for controlling operating parameters of the paint gun. One or a plurality of microprocessors may operate within a hazardous environment in order to control one or a plurality of intrinsically safe valves in the hazardous environment.