Abstract: An attachment to be employed with any spray device is disclosed. The attachment includes four vanes which are radially attached to an air hub with a central aperture, the central aperture adapted to receive the front portion of the spray device therethrough which when activated dispenses an atomizable substance in a pattern toward a workpiece. At the distal end of each of the four vanes, the vane is angled forward such that it generally points toward the workpiece. At the terminal end of each vane is a plurality of compressed air exit apertures. A compressed air source is attached to the air hub which guides the air through air conduits interiorly disposed within each of the vanes, where the compressed air is forced to exit each of the compressed air exit apertures forming an a second pattern which surrounds the atomizable substance pattern, and further boosts or pushes the atomizable substance onto the workpiece.

Abstract: The present invention relates to a process and a device for cleaning substrates. In particular the invention relates to an air-water jet device connected to a detergent dosing system. It is therefore an object of the present invention to provide air-water jet device for cleaning fabric articles with enhanced performance; and to provide a dosing device for a detergent composition that may be connected to an air-water jet device. Surprisingly it has been found that a dispensing chamber for a detergent composition DET between the water source and the outlet of the water nozzle provides improved cleaning of an air-water jet.

Abstract: A method and a device for producing a thin article or a thin coating on a previously manufactured solid body. At least two reactive polymer materials are mixed together thoroughly and die resultant mixture is discharged via a nozzle in the form of a thin tube. This thin tube is pulverized or atomized by means of the introduction of a controlled flow of pressurized air with the result that die pulverized mixture may be sprayed onto an open mold or onto a surface or onto a previously manufactured solid body which is to be coated.

Abstract: An automated spraygun includes a spraygun body mounted on a feed foundation. The spraygun includes tensile locking elements between the spray body and the foundation.

Abstract: A coating material dispensing device includes a first component providing a connection to a source of coating material to be dispensed and a filter for filtering coating material to be dispensed. The first component includes a housing for housing the filter and a closure for selectively closing the housing to permit removal and replacement of the filter. The coating material dispensing device further includes a second component providing a nozzle through which the coating material is dispensed. The first and second components include first and second passageways, respectively. The first and second passageways communicate when the first and second components are assembled together to provide a flow of filtered coating material from the filter to the nozzle.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, an apparatus having a tube with an ingress opening to receive a liquid, and an egress opening to release the liquid, a conductor positioned in a conduit of the tube, the conductor and the conduit having dimensions to cause a surface tension of the liquid to prevent a constant flow of the liquid from the egress opening, and a power supply coupled to the conductor to apply a charge to the liquid to overcome the surface tension and form at the egress opening a single jet stream of the liquid applicable on a substrate to create a pattern. The single jet stream can be controllable in part by a viscosity of the liquid. Additional embodiments are disclosed.

Abstract: An injection device transfers calcium carbonate particles for regeneration into calcium oxide. The device includes an injector body having an inlet end which receives a heated air volume, and a discharge end. At least one transfer tube disposed through a portion of the injector body discharges the calcium carbonate particles at the discharge end. At least one flow nozzle receives the heated air volume and discharges the heated air volume at the discharge end. Each flow nozzle is angularly oriented to directly impinge the plurality of calcium carbonate particles discharged from the transfer tube with the heated air volume. A flow splitter can also be connected to the device to split the calcium carbonate particles into multiple flow streams.

Abstract: An automatic spray gun includes a nozzle (4) for ejecting the product that is to be sprayed, controlled by a needle valve (9), and means (14, 10) for controlling the movement of the needle (9). A tabular elastic sealing means (13) surrounds the needle valve (9) and is mounted trapped between the front (1a) and rear (1b) parts of the body. The interior surface of the tabular means (13) is tailored to the diameters of the needle valve (9) and of a control slide (14) mounted on the needle valve in order to move the needle thereof.

Abstract: A spray coating device, in one embodiment, is provided with a liquid passage, an air passage, one or more valves configured to open and close flow of liquid through the liquid passage and air through the air passage, a trigger coupled to the one or more valves, and a spray head configured to generate a non-conical liquid spray.

Abstract: A nozzle for a viscous liquid dispensing apparatus has a nozzle tip with a generally conical outer surface that tapers toward a dispensing orifice and forms an annular discharge air passage substantially parallel to the conical outer surface. Pressurized fluid is directed over the conical outer surface toward the dispensing orifice and thus, prevents viscous liquid dispensed from the dispensing orifice from being pulled back toward the nozzle tip and accumulating on the conical outer surface of the nozzle tip.

Abstract: Disclosed is a coating system for the selective application of coatings to substrates to apply a uniform coating to selected areas of the substrate without the need for masking. The system comprises a first coating applicator for coating large areas of the substrate, a second coating applicator for coating small areas of the substrate, a motion and positioning system for both coating applicators and a system controller. Also disclosed is an ultrasonic spray coating system comprising an ultrasonic transducer with spray forming head, integrated fluid delivery device with air and liquid supply passage ways, support brackets and an ultrasonic power generator.

Abstract: Disclosed is an ultrasonic spray coating system comprising an ultrasonic spray head with integrated fluid delivery system (IFDS), which consists of an ultrasonic transducer with a spray forming tip, an ultrasonic generator, an external liquid applicator, a precision liquid delivery system and air directors. The coating liquid is delivered to the spray forming tip on the ultrasonic transducer from an external liquid applicator. The liquid is stored in a pressurized reservoir and fed to the liquid applicator by a precision liquid delivery system. The ultrasonic vibrations of the spray forming tip break up the liquid into small droplets and propel them from the tip in the form of a spray. The spray produced with ultrasonic energy alone is a very narrow “sheet-like” pattern. The width of the spray pattern produced is equal to the width of the spray forming tip (2 mm to 4 mm). Air directors are used to produce air streams to further shape and accelerate the ultrasonically produced spray.

Abstract: A suspension arrangement mounted in support of a boom lift assembly and boom supported thereon on a chassis of an agricultural sprayer is provided. The boom lift assembly is configured to move the boom between a raised, inoperative position and a lowered, operative position. The suspension arrangement includes a pivot linkage pivotally coupling the boom lift assembly and the chassis, and a dampener located between the boom lift assembly and the chassis. During operation of the sprayer, the dampener of the suspension arrangement reduces transfer of an impact force or stress force from transferring between the chassis and the boom lift assembly so as to isolate suspension of the boom lift assembly from the chassis of the sprayer.

Abstract: A nozzle for a viscous liquid dispensing apparatus has a nozzle tip with a generally conical outer surface that tapers toward a dispensing orifice and forms an annular discharge air passage substantially parallel to the conical outer surface. Pressurized fluid is directed over the conical outer surface toward the dispensing orifice and thus, prevents viscous liquid dispensed from the dispensing orifice from being pulled back toward the nozzle tip and accumulating on the conical outer surface of the nozzle tip.

Abstract: A spray gun 101 has a spray head 150 connected to a body 102 of the spray gun 101 and a reservoir 156 connected to the spray head 150 for supplying liquid to a spray nozzle 153 of the spray head 150. The spray head 150 is arranged so that liquid from the reservoir 156 is delivered to the spray nozzle 153 without passing through the spray gun body 102 in response to actuation of the spray gun 101 via a trigger 105. The spray head 150 is releasably secured and can be detached from the spray gun body 102 and thrown away after use. The reservoir 156 is mounted on the spray head 150 and can be removed and thrown away with the spray head 150 after use.

Abstract: The invention relates to a spray head for a product such as paint. According to the invention, the blow cap comprises a flat face which can be applied against a flat face of the body and the retaining ring is fixed to said body. The contact between the aforementioned faces provides sealing to the outside. In addition, the gas distributor ring is used to hold the spray nozzle and the blow cap in a concentric manner in relation to the body.

Abstract: An air cap for keeping a spray nozzle with a flat spray clean is presented. The air cap contain the nozzle and has a slit for the spray from the nozzle, through which opening an air flow is flowing in the same direction as the flat spray from the nozzle. The air cap is divided into a back component comprising an internal thread, and a front component comprising the slit. The components are rotatable relative to one another.

Abstract: An automatic spray gun includes a cylinder for disposing a motor and a turbine therein and sealed by a sealing cap and an outer cap, a sleeve perpendicularly integrated with lower periphery of the cylinder, a container cap integrated with an under side of the sleeve for covering a paint container, a Y-shaped pressing means suspended from an axial rod on a top of the sleeve, a nozzle with a group of fittings engaged in the sleeve, a fist half handle integrated to the bottom of the cylinder and combined with a second half handle by screws, a tube, a hair switch and a number of electric wires disposed in the handle for connection of electric power to the motor through the switch which controls the rotation of the motor.

Abstract: Rotary atomizer for coating work pieces, with a rotating bell-shaped plate shaft for a bell-shaped plate for discharging a spray stream of a coating agent, at least one steering air outlet for discharging steering air for shaping the spray stream, a housing, and also at least one steering air line, which is arranged in the housing and which opens into the steering air outlet, for supplying the steering air. It is proposed that the steering air line pass through the bearing unit of the drive turbine in the axial direction.

Abstract: The present invention provides a liquid spray gun with several improved features, including (1) a molded polymeric possibly disposable body assembly through which passes liquid sprayed by the spray gun that is manually releasable from a metal platform portion of the spray gun through which air is fed to passageways through the body assembly to spray the liquid; (2) non-cylindrical air passageways on air horns that provide improved shape and uniformity for the wide elongate stream of liquid formed by the spray gun, and (3) an air cap portion of the body assembly mounted for manual rotation on a nozzle portion of the body assembly between positions defined by stops and retained at those positions by friction.

Abstract: An external mix air assisted spray nozzle assembly having a nozzle body, and an air cap for a directing pressurized air streams on a discharging liquid stream external to the liquid discharge orifice of the nozzle assembly for atomizing and forming the liquid into the desired spray pattern. The air cap includes an upstream internal air chamber, an external, downstream liquid discharge and mixing chamber, and a central opening coaxial with the liquid discharge orifice communicating between the upstream and downstream chambers. The air cap further includes a plurality of angled pressurized air discharge passages which communicate with an annular plenum of the air chamber disposed in surrounding relation to the central opening for enabling substantially uniform particle breakdown and distribution at lower air pressures than heretofore possible.

Abstract: Apparatus and methods for applying adhesive to one or more narrow substrates, such as elastic strands, that are in motion. The apparatus includes a coating applicator and an air moving device mounted adjacent to the coating applicator. The coating applicator is capable of applying adhesive in the form of an adhesive filament in a pattern onto each narrow substrate. The air moving device includes one or more air discharge passages capable of directing a flow of air toward the narrow substrate. The flow of air transfers momentum to airborne sections of the adhesive filament for promoting coating uniformity on the narrow substrate.

Abstract: A new and improved hot melt adhesive applicator nozzle assembly comprises an adapter, a dispensing nozzle mounted within the adapter, a nozzle retainer threadedly engaged with the adapter for securing the dispensing nozzle within the adapter, an air inlet ring rotatably mounted upon the nozzle retainer and having an inlet air fitting fixedly mounted therein, and an end cap which is threadedly mounted upon the nozzle retainer. The end cap has swirl air passages integrally incorporated therein, and the end cap and air inlet ring are both fabricated from a suitable thermoplastic polymer material such that all exposed surfaces of the hot melt adhesive applicator nozzle assembly are plastic and are therefore at substantially lower temperature levels than the metal brass components of the hot melt adhesive applicator nozzle assembly.

Abstract: A spiral spray coating method, comprising the step of forming a second pressurizing air flow which is discharged from a number of second pressurizing air holes (13) positioned concentrically with and outwardly-shaped from first pressurizing air holes (12), on the outside of the first pressurizing air flow which is discharged from a number of first pressurizing air holes (12) disposed concentrically with an opening of an adhesive agent hole (11) so as to feed the second pressurizing air flow (K2) to the outside of the first pressurizing air flow (K1) in order to form an air curtain of the second pressurizing air flow on the outside of a spiral of a hot-melt adhesive agent fiber; a spiral spray coating apparatus using the spiral spray coating method.

Abstract: A filter-manufacturing machine comprises spray nozzles located on both sides of a feeding path of sheet material made of filter fibers, respectively, and the spray nozzles each have a line of spray holes of a liquid binder with high viscosity and a plurality of air jetting openings for jetting compressed air. The liquid binder sprayed from the lines of the spray holes is subdivided into particles by the compressed air, thereby spraying the particles of the liquid binder evenly on both surfaces of the sheet material.

Abstract: Fluid and air nozzle assemblies are capable of propelling streams of a cleaning fluid and air mixture onto a vehicle vision device, visible indicator, or sensor. These nozzle assemblies are mounted on a vehicle adjacent to the vehicle vision device, visible indicator, or sensor and positioned such that liquid and air jets from the nozzles intersect prior to impinging upon the vehicle vision device, visible indicator, or sensor to form a spray mixture that cleans the vehicle vision device, visible indicator, or sensor. These nozzle assemblies have an adjustment feature for the purpose of aiming the fluid-air spray toward the vehicle vision device, visible indicator, or sensor.

Abstract: A head for a spray gun with exchangeable nozzles having a gasket provided in the front of the spray gun and engaged to a threaded coupler; inner and outer recesses being provided in both of the spray gun and a threaded coupler; slots being provided in the gasket; one air outlet being each provided in the inner and the outer recess; plural air outlets being provided in the outer recess of the coupler to connect through a ditch space segregated by a flange in the front of the coupler; a circular ditch having its outer wall as a push-pull plane being formed in the front of the coupler; ventilation holes in the inner recess being drilled to connect the ditch; a circular segment formed at the outer surface of the nozzle engaged to the front of the coupler; and an indention in the spray head being provided with a push-pull surface abutted to the push-pull plane of the ditch to shorten and simplify interchangeable nozzles.

Abstract: Apparatus and method for delivering single or multi-component material through a disposable delivery tube and atomizing the material into a spray pattern of substantially uniform dispersion. The apparatus includes a tubular manifold having an opening for receiving a disposable delivery tube with the exit end or nozzle of the delivery tube projecting out from the end of the manifold. A plurality of atomizer holes are formed in the end of the manifold surrounding the hole which receives the nozzle end of the delivery tube. A source of air under pressure is connected to direct air through the atomizer holes. An air cap is mounted to the manifold to direct air passing through the atomizer holes about the nozzle of the delivery tube to atomize the delivered material into a uniform spray pattern without the material coming into contact with either the manifold or the air cap.

Abstract: A fluid applicator used to apply an even coat of fluid to a surface which is not accessible along a longitudinal axis of the applicator. The applicator includes a fluid delivery system that delivers the fluid under low pressure, and has a distal end bent 30° to 60° from the applicator's longitudinal axis. The applicator also has an air delivery system with a distal end bent at an angle identical to the distal end of the fluid delivery system. The air delivery system delivers a high pressure jet of air 90° relative to the fluid, thereby aspirating the fluid and ejecting it onto the inaccessible surface.

Abstract: Apparatus and method for delivering single or multi-component material through a disposable delivery tube and atomizing the material into a spray pattern of substantially uniform dispersion. The apparatus includes a tubular manifold having an opening for receiving a disposable delivery tube with the exit end or nozzle of the delivery tube projecting out from the end of the manifold. A plurality of atomizer holes are formed in the end of the manifold surrounding the hole which receives the nozzle end of the delivery tube. A source of air under pressure is connected to direct air through the atomizer holes. An air cap is mounted to the manifold to direct air passing through the atomizer holes about the nozzle of the delivery tube to atomize the delivered material into a uniform spray pattern without the material coming into contact with either the manifold or the air cap.

Abstract: A nozzle device includes an axially extending tubular, cylindrical outside part; and a cap threaded on the outside part at the front or discharge end of the device and having a discharge bore composed of a rearward cylindrical portion having a first diameter; a frontal cylindrical portion having a second diameter less than the first diameter; and a frustoconical portion connecting the rearward and frontal cylindrical portions with one another. An axially extending inside part is coaxially received in the outside part and has an outer wall defining, with the inner wall of the outside part, an annular space for guiding gas therethrough. The annular space is axially adjoined by the discharge bore of the cap.

Abstract: A meltblowing method and system for dispensing first and second fluids from corresponding first and second orifices of a die assembly to form a meltblown first fluid filament. The die assembly directs the first and second fluid flows parallelly, or divergently, or directs two second fluid flows convergently toward a common first fluid flow, whereby the first and second fluids are dispensed from orifices at equal first fluid flow rates and equal second fluid flow rates. The die assembly is compressably retained between opposing end plates coupled to an adapter for further coupling to a main manifold having a fluid metering device for supplying first fluid to the die assembly. The meltblown filaments are depositing onto a moving substrate by vacillating the filament non-parallel to a direction of substrate movement, whereby vacillation a first fluid flow is controllable by an angle between the first fluid flow and one or more flanking second fluid flows, among other variables.

Abstract: An ultrasonic spray coating system includes a converter which converts high frequency electrical energy into high frequency mechanical energy thereby producing vibrations. The converter has a resonant frequency. A spray forming head is coupled to the converter and is resonant at the resonant frequency of the converter. The spray forming head has a spray forming tip and concentrates the vibrations of the converter at the spray forming tip. A source of high frequency alternating voltage is electrically connected to the converter and produces a controlled level of electrical energy at an operating frequency of the spray forming head and converter whereby the atomizing surface is vibrated ultrasonically. A liquid supply applicator is in close proximity with the spray forming tip and spaced therefrom. The liquid supply applicator has an output surface having an orifice therein and the output surface is in close proximity with the spray forming tip and spaced therefrom.

Abstract: An ultrasonic spray coating system includes a converter which converts high frequency electrical energy into high frequency mechanical energy thereby producing vibrations. The converter has a resonant frequency. A spray forming head is coupled to the converter and is resonant at the resonant frequency of the converter. The spray forming head has a spray forming tip and concentrates the vibrations of the converter at the spray forming tip. A source of high frequency alternating voltage is electrically connected to the converter and produces a controlled level of electrical energy at an operating frequency of the spray forming head and converter whereby the atomizing surface is vibrated ultrasonically. A liquid supply applicator is in close proximity with the spray forming tip and spaced therefrom. The liquid supply applicator has an output surface having an orifice therein and the output surface is in close proximity with the spray forming tip and spaced therefrom.

Abstract: A device and method for spraying hot melt glue in circular patterns of varying diameters is disclosed. The device uses a single jet of pressurized air caused to spin and forced into a series of passages to produce a conical curtain of air. The conical air curtain impinges upon a stream of hot adhesive to spin and guide it on a surface in a circular pattern. The relative positions of the air and glue emission orifices may be adjusted quickly and easily to provide fine control of the spray pattern diameter while achieving patterns having diameters ranging from approximately one-half to fifteen inches. Spiral glue patterns may be created merely by moving the nozzle of the device relative to a surface in a substantially straight line.

Abstract: Device for simultaneously projecting onto plants one or more jets of particles or droplets of a treatment product and a stream of air for facilitating the displacement of the particles or droplets, and comprising a frame carrying substantially vertical slideways along which can slide, on the one hand, a boom carrying a row of atomization means and pressurized air pipes having suitably oriented passages, and on the other hand, separately, a fan feeding the said pipes and connected thereto by a deformable hose, or a connector of adjustable length.

Abstract: A field spraying device comprises an elongated spray beam provided with a plurality of spray nozzles (12). The field spraying device comprises an at least partially inflatable hose (18) connectable to a compressed-air source. The hose comprises a slotted discharge opening (13) extending in the longitudinal direction of the hose. The spray nozzles (12) spray the liquid into the air flow approximately 200-300 mm below the slotted opening which results in a uniform discharge of material. In this manner the spray beam can be situated close to the ground and the crop, respectively, with the effect that a possible wind movement is reduced. The slotted discharge opening (13) is pivotally mounted by utilizing the fact that the at least partially secured hose (18)is made of a resilient material. In other words the invention utilizes the feature that the resilient top portion allows a turning movement in such a manner that the discharge opening can be adjusted.

Abstract: A novel preferably poppet-valve-controlled fluid applicator for extruding hot melt and other coating fluids and the like as fibers or filaments and/or droplets upon moving webs and other surfaces wherein the valve seat tip blocks or permits the flow of the fluid into a hollow nozzle insert communicating with, preferably, a needle-like nozzle tube spray extruder, with provision for adjustment to produce controlled fiber and/or droplet spray coatings, and preferably though optionally with air-shaping control of the coatings.

Abstract: A device for gas atomising a liquid stream, such as a stream of molten metal or metal alloy, has an atomising device including, for example, an annular opening for receiving the stream. The atomising device is arranged for applying atomising gas to the stream so as to form a spray of atomised particles. At least a part of the atomising gas, and preferably all, is applied by means movable relative to the stream whereby movement is imparted to the spray to achieve improved uniformity or control of deposition by moving the spray either by moving the atomising device with a symmetric gas flow field relative to the stream or by oscillating or rotating a rotor mounted within the atomising device and arranged to produce an asymmetric gas flow field.

Abstract: A device for gas atomizing a liquid stream, such as a stream of molten metal or metal alloy, has an atomizing device including, for example, an annular opening for receiving the stream. The atomizing device is arranged for applying atomizing gas to the stream so as to form a spray of atomized particles. At least a part of the atomizing gas, and preferably all, is applied by means movable relative to the stream whereby movement is imparted to the spray. This movement leads to improved uniformity or control of deposition.

Abstract: A method and apparatus for foliar spraying liquid composition such as pesticide, aqueous fertilizer solution, and/or herbicide, onto foliage of vegetation. In a preferred embodiment, while spraying a spray stream of liquid composition at 10 to 75 pounds per square inch pressure from an orifice having a cross-sectional area of from about 0.0000948 to about 0.

Abstract: An electrostatic spraying apparatus for applying a liquid coating material to a work piece, and which comprises a rotating bell-like or disc-like atomizer head and an annular gap coaxial therewith which is connected to a compressed air source is provided with an improvement of a further annular gap connected to a compressed air source, the additional gap coaxially surrounding the first annular gap, and the gap width of at least one of the two annular gaps being adjustable.

Abstract: An atomizer has a channel through which material to be atomized, preferably comprising a transport gas and a powder, liquid or granular material, flows in a first direction. At or slightly downstream from the downstream end of the channel, preferably an atomizer gas is injected into the stream to be atomized, the injection occurring at an angle to the first direction. Preferably the atomizer gas is injected to impart a rotary motion to the stream. At the downstream end of the channel is a funnel-shaped outlet whose surface is so shaped that the stream can adhere to the interior surface of the outlet under the Coanda effect, producing an atomized cloud of transversely uniform density. A gas jacket may be used to control the shape of the cloud. The flow of both the atomizer gas and the gas forming the gas jacket is preferably adjustable in speed and direction.