Abstract: An airbrush including a nozzle has a first connecting section and a polished second connecting section. A projecting stopper section is disposed between the first and second connecting sections. The second connecting section of the nozzle is inserted in a color outlet of a head section of the nozzle. A ventilating plate is fitted on the first connecting section. The ventilating plate is formed with at least one ventilating section for the air to flow through. A shoulder section is formed in the nozzle cap for pressing the ventilating plate against the stopper section of the nozzle. Accordingly, the second connecting section of the nozzle is fixedly fitted in the color outlet of the head section of the brush body. Therefore, the nozzle is fixedly assembled with the brush body by means of the nozzle cap and the ventilating plate, whereby the nozzle can be quickly and conveniently disassemble/assemble without using any tool.

Abstract: The present invention relates to a portable device for spraying a liquid at low pressure, said device comprising a spray arm (220), and characterized in that the spray arm comprises at least one flat fan spray nozzle (230). Preferably, the liquid is a cleaning composition for treatment of carpets and other large fabric coverings, more preferably, a composition comprising surfactants. Also preferably, the portable device is electrically driven, and/or the spray arm is extendible and/or detachable from the device's main unit.

Abstract: The present invention provides an aerosol spray container comprising: a container main body to contain the contents, a valve means provided on the top of the main body, and a cap means. Within the cap means, a control pressing lever means being connected with the cap means at one of its end covers onto the valve, a control pressing lever means being connected with the cap means at one of its end covers onto the valve, an actuation button means is connected with another end of the pressing lever through a spring means There are two protrusions provided on the cap means and two recesses provided on the button means, the protrusions and recesses are engaged so that the button can slide downwardly. A locking device is provided on a designed portion of the protrusions and recesses to lock the button. A time delayed device closely under the said another end of the pressing lever is arranged to extend the time during the period that the pressing lever moves downwardly.

Abstract: A fluid spray device including a reservoir containing fluid, a dispenser head including a dispenser orifice, and an actuator device being on the dispenser head and co-operating with a fixing ring in order to actuate a pump or the valve, said actuator device including at least one actuator element pivotally mounted on said dispenser head, each actuator element including an actuator portion cooperating with said fixing ring, and a presser element on which the user exerts an actuation force, said presser element being pivotally mounted with respect to said dispenser head and extending firstly radially away from said dispenser head, and secondly axially towards the reservoir beyond said fixing ring, said actuator portion being pivotally mounted on said presser element and extending radially and axially towards the fixing ring so as to co-operate with said ring from below, when the device is in the upright position.

Abstract: The present invention is directed to a device for releasing a fluid. The device includes a housing having an interior region, a fluid contained within the interior region, and the ability to controllably release the fluid from the housing.

Abstract: In an aspirating and dispensing/spraying device, a holder is screwed onto a tube, connected to a liquid supply line, in such a way that it is displaceable along the tube by rotation. The tube is surrounded at a distance by a coaxial sleeve, which is solidly anchored in the holder, having a discharge opening on its front end, which is conically narrowed, whose edge surrounds the front end of the tube, which carries a outlet opening, separated by a narrow annular gap from the tube. The sleeve carries a connecting piece laterally, to which a pressurized gas supply line is connected and which discharges eccentrically into the space between the sleeve and the tube, so that pressurized gas flowing in receives angular momentum. When the gas flows out of the annular gap, it mixes intensively with the liquid coming out of the outlet opening and forms a discharge cone made of a fine, symmetrical aerosol with the liquid.

Abstract: A disposable spray nozzle capable of accommodating liquid dose installed in a medical compressor nebulizer or connected to a device of other pressure sources, comprises a dose container and a spray nozzle; the dose container has a guide duct and an unsealing section connected to the guide duct disposed at the opening end of the guide duct. The spray nozzle is disposed on the guide duct of the dose container, and has a dose accommodating space in the dose container; a first opening section and a second opening section are disposed on both ends of the dose accommodating space and sealed respectively by a sealing section, such that the dose as well as the disposable spray nozzle can be inserted directly into the guide duct of the dose container. The unsealing section at the end of the guided duct pierces through the sealing section of the first and second opening sections of the spray nozzle, so that the liquid dose seeps out for the nebulizing operation.

Abstract: A material supply assembly for use with a spraying device, which material supply assembly includes a housing of stiff material comprising a side wall having a top end defining an opening into a recess defined by the housing; and a pre-filled container comprising a stiff annular lip adapted to be positioned along the top end of the side wall, and a flexible portion fixed to the annular lip and adapted to extend into the cavity in the housing when the annular lip is positioned along the top end of the side wall. The flexible portion has an inner surface defining a cavity, and a quantity of material is within the cavity in the flexible portion. A polymeric membrane extends across and is sealed to the annular lip to retain the material in the cavity.

Abstract: A water jet is disclosed having a tank which forms a reservoir containing a liquid, such as water. An elongated conduit has one end fluidly connected to the reservoir while a nozzle is connected to the other end of the conduit. This nozzle, furthermore, has an opening with a cross-sectional area less than the cross-sectional area of the conduit. A valve is connected in series between the conduit and the reservoir, and this valve is movable between an open and a closed position. The reservoir is pressurized to a pressure in the range of 30-300 psi so that, once the valve is opened, water flows through the conduit and out through the nozzle at a high pressure and high speed water jet. This water jet can be used, inter alia, to clean industrial parts, such as engine blocks.

Abstract: A method and apparatus for delivering aromatic substances for olfactory stimulation, treatment and/or therapy which includes a delivery assembly including a chamber into which air is introduced and subsequently delivered under even pressure through a mixing venturi. A plurality of conveying conduits are selectively communicated with the venturi so that aromatic substances are entrained in the air passing through the venturi to a discharge mask or zone. The conduits communicate with a plurality of containers of aromatic liquids, solids, and semi-solids. The containers are subject to selective introduction of pressurized air by way of a plurality of valves. A system is provided for controlling the operation of the valves to thereby control the substances discharged from the apparatus.

Abstract: A compressed air sprayer used for applying textured material to surfaces, in which the reservoir of texture material is transported on the operator's body using an integrated harness system. The sprayer tank may rest upright on the ground when not being worn, and may be filled in this orientation without damaging delivery components attached to the bottom of the tank. A handle is provided on the tank for proper positioning and transport.

Abstract: A pneumatic inhaler that is able to deliver a controlled burst or dose of aerosol from a reservoir of liquid or powder medication. A supersonic jet of gas is emitted from a nozzle and shock waves are developed in the jet. In one embodiment the supersonic jet is directed into a shock chamber. Liquid or micronized powder material is introduced into the supersonic jet to form an aerosol. In one embodiment, smaller aerosol particles are separated from larger aerosol particles with a separator. In another embodiment, the produced aerosol is contained in an aerosol storage chamber prior to inhalation by the users.

Abstract: The present invention relates to a dual spray gun for painting and cleaning, and more particularly, to a combined tin and pipe dual spray gun for painting and cleaning, which can be used separately and independently, increasing working radius at will, and can be used in unitized construction, depending on the working environments. The present invention includes a T-shaped main body, which is connected with an air blow-gun at a back end, and connected to a blow head at a front end. A pipe is secured on a vertical sucking tap hole. A tank is connected on a tip end of the pipe to construct a combined tin and pipe structure. The tank can be connected on the T-shaped main body directly to construct a tin structure or the pipe can be connected on the T-shaped main body to construct a pipe structure. So the three structures can meet necessities of any working environment so that the working radius is extended infinitely.

Abstract: The present invention relates to an aerosol spraying apparatus which is compact in size, is easy to use, and is suitable for use in a state where it is installed on a floor. The aerosol container (11), including a stem (12) has a tip-preventing shape and, in the aerosol container (11), there are provided an operation portion (208) for operating the stem (12), and a spray orifice (207) for spraying aerosol contents jetted out from the stem (12) to the outside. The spray orifice (207) is structured such that it sprays the aerosol contents in the opposite direction from the operation position of the operation portion (208).

Abstract: In a spray gun (1) for atomizing fluid media with the help of compressed air consisting of a housing (11) with a handle (14) and an atomizer nozzle (19), of a guide sleeve which engages in the atomizer nozzle (19) and is supported in the housing (11), as well as of a valve needle (31) which can be operated by means of a trigger handle (26) which is in a pivoting mounting, the valve needle (31) is located in a positive connection with the trigger handle (26) in the area of the guide sleeve (21) by means of a hinge pin (27′). Furthermore, a seal (32) is inserted in the guide sleeve (21) with a U-shaped cross section, the seal (32) being located between a feed line (16) and the hinge pin (27′), with the valve needle (31) being held in a movable arrangement in the seal (32).

Abstract: A device for generating a pressurized stream of treating media including a vessel (4) containing the treating media (6), a pressurized fluid delivery assembly (16) for delivering a pressurized fluid to the vessel (4) and a conduit (14) for transporting the treating media (6) out of the vessel (4) which has been pressurized through the pressurized fluid.

Abstract: The neblizer vial (10) for aerosol therapy comprises a tube (14) fed at a first end with compressed air, the tube (14) being constricted at its second end prior to the relative exit orifice (16) to obtain a venturi effect. The orifice (16) of the tube (14) emerges from the free surface of a solution (22) of an aerosol therapy medicament, a nozzle (18) being concentrically mounted on the second end of the tube (14) such that between the tube (14) and nozzle (18) there remains an interspace (20) communicating with the solution (22). A flow breaker device (26) is provided above the orifice (30) of the nozzle (18). The vial (10) is provided with an exit (34) for the formed aerosol and an inlet (24) for entry of external air as a result of suction exerted by the patient on the exit (34). For diameter parity of the orifice (30) of the nozzle (18), means are provided to vary the distance between the nozzle orifice (30) and the flow breaker device (26).

Abstract: Disclosed is a method of shaving hair by spraying a shaving preparation directly onto an area of skin to form a dispersed layer of the shaving preparation without the need for hand spreading and shaving the area with a razor. Also disclosed is a dispensing apparatus for spraying a shaving preparation directly onto an area of skin to be shaved. The shaving preparation may be an aerosol or a non-aerosol shaving preparation.

Abstract: A nozzle arrangement which is suitable for use in the generation of a spray or aerosol and which is adapted for connection to a fluid supply, the nozzle arrangement including a fluid inlet through which fluid enters the arrangement from the fluid supply and fluid outlet through which the fluid is ejected from the nozzle arrangement, fluid inlet and fluid outlet being connected to a fluid flow passage through which, in use, fluid flows from the inlet to the outlet, wherein the nozzle arrangement includes control means provided in the passage which, in use, acts to modify the flow characteristics of the fluid in the fluid flow passage to effectively control fluid droplet size produced in the spray or aerosol by the nozzle arrangement.

Abstract: The present invention relates to a packaged product (1) comprising a package having a liquid reservoir (2) for containing a product, preferably a cleaning product, and a means for delivering the product (4) in a labour efficient way and in a uniform manner. This is achieved by a packaged product (1) in which the means (4) for delivering the product preferably comprises an electrically driven pump (5), and further comprises a spray arm (220), the spray arm (220) having at least one dispensing opening (225), the spray arm (220) being preferably either extended or extendible.

Abstract: An assembly for feeding liquid to the inlet port of a gravity feed sprayer. The assembly includes (1) a mixing cup of a known type commonly used to mix paint with solvent that is of stiff polymeric material and bears indicia on its side wall indicating the levels to which a plurality of different liquids should be sequentially poured into the cup to achieve a predetermined ratio between the liquids; (2) a first adapter comprising a central portion having a through opening and a transverse portion including a peripheral part defining a groove along its inner surface adapted for sealing engagement with a top end of the mixing cup; and (3) a second adapter having a through opening, a first end portion of which second adapter is adapted to releasably engage the inlet port of a gravity feed paint sprayer.

Abstract: The object of the invention is to provide a method and a dispenser in which, compared with known dispensers, the fluid path design is simplified. The dispenser has a medium reservoir (19) containing a medium to be discharge during one discharge stroke of the dispenser (11). For this purpose a feed fluid flows through the medium reservoir and discharges the medium through a reservoir discharge opening. For producing a discharge stroke, the dispenser has an actuator (25), whose actuation at least indirectly leads to an impact spike (29) penetrating from the outside into the medium reservoir (19), so as to produce a connection between a pump (40) for a feed fluid and the medium reservoir. As a result of the pressure of the feed fluid flowing into the medium reservoir, at a point in the medium reservoir (19) differing from the entry point of the impact spike (29), an opening is formed.

Abstract: A device for spraying at least one substance onto a medium includes a supply of vector gas, a substance feed in communication with a supply of the substance and at least one shutter which interrupts communication between the substance feed and the supply of substance. The substance can be sucked from the supply by suction established in the vicinity of the substance feed by emission of the vector gas. The vector gas is emitted from at least one gas outlet orifice located in the vicinity of the substance feed.

Abstract: A mold spray gun structure includes a gun body, a spray head, and a paint can. The gun body is provided with a connection portion for mounting the spray head. The connection portion is formed with a locking recess which has an inner wall formed with at least one plane portion and has an opening which has two sides formed with two opposite hook portions. The spray head is formed with a neck portion locked in the locking recess. The neck portion is formed with at least one plane portion which is rested on the plane portion of the locking recess, and the hook portions are hooked and locked on the neck portion of the spray head.

Abstract: A pressurized fluid spraying apparatus including a sprayer and separate manual two stage pump. The sprayer preferably includes a three way valve capable of performing the function of a pump coupling for connecting to the pump to pressurize the pressure chamber, a pressure release valve, and a safety valve. In some embodiments, the pressure chamber is preferably capable of holding air pressure of at least 300 psi, in other embodiments, 1,000 psi, and in still other embodiments 2,000 psi. A re-useable fluid container is accepted within the sprayer and may be easily switched to change fluids. The two-stage pump may be configured to allow pumping of air under high pressure into the pressure chamber in the sprayer. The pump is preferably manually operated, but could be powered in alternate embodiments.

Abstract: In an aerosol valve for high rate filling is formed with an upper chamber and a lower chamber formed inside a housing via a flow port. A stem is attached to the upper chamber in a vertically movable manner and a switching valve is attached to the lower chamber in a vertically movable manner. A narrow flow port is opened at the switching valve in communication between the upper chamber and the lower chamber. The switching valve is pressed and urged to a valve seat of the flow port to close the flow port except for the communication of the narrow flow port, and the switching valve is pressed by filling pressure to open the flow port during a filling procedure of the content via the stem for allowing the content to be filled rapidly.

Abstract: A hose sprayer assembly in accordance with the present invention includes a trigger body which is rotatably mounted within a housing. The housing is formed with an inlet orifice, an outlet aperture and an aspiration orifice, and further includes a deflector plate which is fixed to the outer surface of the housing proximate the outlet aperture. The trigger body includes a inlet port, an outlet port in fluid communication with the inlet port, and an aspiration port in fluid communication with the outlet port. Selective alignment of the trigger body places the inlet port and outlet port in fluid communication with the respective inlet orifice and outlet aperture of the housing. This yields a water only stream out the housing outlet aperture when water is forced through the assembly. Similarly, the body can be aligned to place the aspiration port in fluid communication with the aspiration orifice of the housing.

Abstract: A water jet is disclosed having a tank which forms a reservoir containing a liquid, such as water. An elongated conduit has one end fluidly connected to the reservoir while a nozzle is connected to the other end of the conduit. This nozzle, furthermore, has an opening with a cross-sectional area less than the cross-sectional area of the conduit. A valve is connected in series between the conduit and the reservoir, and this valve is movable between an open and a closed position. The reservoir is pressurized to a pressure in the range of 30-300 psi so that, once the valve is opened, water flows through the conduit and out through the nozzle at a high pressure and high speed water jet. This water jet can be used, inter alia, to clean industrial parts, such as engine blocks.

Abstract: A nebulizing attachment having a body with an open conical chamber formed therein. The body includes a nozzle with a sharp edge behind which a perforation is formed for supplying air under pressure. Another nozzle is provided in communication with the open conical chamber for supplying liquid therein. The liquid is sucked into the chamber by the effect of vacuum brought about by the passage of the air flow from the nozzle to an outlet therefor. The liquid is fractionated and mixed by the effect of turbulence in this chamber.

Abstract: A tool for removing water from a window frame for using forced air to remove water from behind a false window frame. The tool for removing water from a window frame includes a tubular member. The tubular member is elongate and has a first end and a second end. Each of the first. and second ends is open. An intermediate wall is positioned between the first and second ends. The intermediate wall has a plurality of holes extending therethrough. A spike is securely attached to the intermediate wall and has a pointed end extending towards the first end of the tubular member. A canister for holding a pressurized gas is positionable in. the cylinder such that the spike may puncture the canister. A valve is securely mounted in the tubular member and positioned between the intermediate wall and the second end of the tubular member. An actuating member actuates the valve such that gas from the canister may flow outward of the second end of the tubular member.

Abstract: A spray dispensing head for a squeeze dispenser is disclosed. The dispensing head includes passageways for directing streams of air and liquid to a mixing chamber wherein the liquid is broken up into droplets and emitted as a fine spray through an orifice. The device includes a valve which is operated by a push-pull motion. When the valve is closed, the liquid is sealed off from the atmosphere, thus preventing drying or contamination of the liquid product.

Abstract: A dual receptacle aerosol sprayer with a thin, flexible plastic outer receptacle for product and a substantially rigid inner receptacle for propellant seated within the outer receptacle. A closure closes the inner receptacle and contains a valve assembly. Primary propellant and secondary product valves in the valve assembly control flow from the inner and outer receptacles up propellant and product valve stem bores into an actuator having an aspirating nozzle insert with a Venturi constriction. A conduit extends from the valve assembly through the inner receptacle and into the outer receptacle. To avoid propellant overloading and rupture of the outer receptacle, a one-way tertiary valve downstream of the secondary product valve closes on clogging of the actuator discharge outlet to prevent, during actuation, misdirected propellant flow from the actuator and through the stem product bore and the secondary product valve, from entering the outer product-containing receptacle.

Abstract: A nozzle 10 which receives first and second materials 24, 30 and which has an outlet aperture 18. The first material 24 is received within the outlet aperture 18 and is atomized by the second material 30 within the outlet aperture 18 before it is emitted from the nozzle 10 and applied to a targeted location and/or object 26.

Abstract: A liquid sprayer is provided. This liquid sprayer includes a bottle having an opening and a sprayer housing attached to the bottle. This sprayer housing includes an electrical motor, a voltage source for powering the electrical motor, a pump driven by the motor, a switch for completing an electrical circuit, a nozzle mechanism attached to the sprayer housing for spraying a liquid. The liquid sprayer also includes a deformable “pinched tube” mechanism which prevents liquid from flowing through the nozzle when the sprayer is not being used. The sprayer housing also includes a trigger movably connected to the sprayer housing for closing the switch, translating the piston and creating a leak-tight seal by squeezing the “pinched tube”.

Abstract: A pneumatic nebulizer that produces a high volume of aerosols for inhalent delivery of medications and other constituencies. High pressure gas formed into a gas jet is passed through a thin choked region of fluid that is entrailed and impinged upon an aerosol amplifier which creates a spray whose aerosol components are directed up through vents to an aerosol outlet for delivery. Larger-sized liquid particles are caused to pool up in a region surrounding the aerosol amplifer and then drip down back into the liquid medication reservoir.

Abstract: Device for generating a lubricant spray in a compressed air line having an air passage channel (2) in a housing (1), a regulating valve (5), in particular a proportional valve, which can change, via a control flap (14), the free cross-section of passage between the inlet (3) and the outlet (4) of the air passage channel (2) in dependence on the pressure difference, and with a lubricant supply container (7) connected to the inlet (3) of the air passage channel (2) via a filling valve (6) comprising a valve body (15) and connected to the outlet (4) via a suction line (rising pipe 8) and an oil sprayer (12), wherein the filling valve (6) closes at a pressure difference of more than approximately 1 bar, wherein the regulating valve (5) and the filling valve (6) are disposed close to one another and the control flap (14) of the regulating valve (5) and the valve body (15) of the filling valve (6) are made from a single piece of elastic material.

Abstract: The problem of the invention is to provide an easily manipulatable and long term-usable discharge apparatus.

Abstract: An ultra high pressure waterjet cutting system which includes a valve for selectively delivering either a stream of ultra-high pressure water or alternatively, a moderately reduced but yet sufficiently high pressure to initiate cutting. The arrangement provides a convenient means for initiating cuts along the edges of workpieces and is particularly useful when encountering surfaces of brittle workpieces.

Abstract: An injection spraying system includes a container having a compartment configured to hold a first fluid. A valve body is removably coupled with the container and includes a mixing chamber, an inlet passageway configured to deliver a second fluid to the mixing chamber, a discharge passageway extending from the mixing chamber, a stem compartment communicating with the mixing chamber through a control orifice, and a transition passageway in fluid communication with the stem compartment. Movably disposed within the stem compartment is a metering stem having a tapered nose configured to selectively engage the control orifice. An adjustment knob is mounted to the metering stem such that rotation of the adjustment knob selectively advances and retracts the metering stem within the chamber of the meter tube. A siphoning tube has one end disposed within the compartment of the container and an opposing end in fluid communication with the transition passageway.

Abstract: Retrofit systems are provided to convert existing automated vehicle washing systems from using conventional car wash chemicals to highly concentrated chemicals. The retrofit systems enable a car wash operator to control the feed volume of concentrated chemicals that are fed to a spray arch where the chemicals are mixed with water before being sprayed on a vehicle. The system provided enables the operators of existing car washes to convert from conventional chemicals to highly concentrated chemicals without purchasing an excessive amount of new equipment or carrying out extensive modifications of existing equipment. A novel feature of the present invention includes the use of a pre-dilution block or a double-tip metering assembly for controlling the volume of highly concentrated chemicals delivered to the spray arch of the car wash where the chemicals are diluted with water before being applied to a vehicle.

Abstract: A dual induction apparatus for high volume low pressure spraying systems is provided. The invention includes an atomizing tube with an entrance, a midpoint and an exit. A jet nozzle is connected to the entrance of the atomizing tube. A first plurality of induction ports pass through the sidewalls of the atomizing tube proximal the jet nozzle. The first plurality of induction ports are in communication with ambient air. When the compressed air passes through the jet nozzle a low pressure field is formed causing ambient air to be drawn into the atomizing tube. A venturi element is located inside the atomizing tube in the area about the midpoint to the exit. A tube in communication with the removable venturi element is passed through the sidewall of the atomizing tube. The tube is affixed in a perpendicular fashion to the aperture in the venturi element on its first side and is further connected to a reservoir of paints, powders, solvents or other substances.

Abstract: A spray assembly including a venturi type spray nozzle, a valve attached to the spray nozzle, a reservoir adapter that can engage a reservoir containing a liquid coating material to be sprayed, and a flexible hose between tile reservoir adapter and the valve. The outer surface texture of material being coated can be adjusted using the valve which is useful in matching the surface texture of chip resistant coatings and undercoatings on an automobile, and the hose allows the operator to spray material onto a substrate from any orientation of the spray nozzle which facilitates coating locations such as the lower portions of panels or in wheel wells and trunks. A valve passageways is shaped to facilitate fine adjustment of the air/coating material ratio when small amounts of material are being delivered, and the valve includes an air purge to remove material from the valve and nozzle when the valve is shut off.

Abstract: An improved spray gun having an aluminum gun body and a sprayhead made of a plastics material, preferably of polybutylene terephthalate. The sprayhead is permanently secured to the spray gun body, preferably with a swaged ring of stainless steel. The spray gun may be provided with a plastic handle which is preferably formed from polybutylene with 10% of a polyester elastomer. In one embodiment, the sprayhead is oriented relative to the gun body prior to securing to select either gravity feed or suction feed for the sprayed fluid.

Abstract: A method and system for dispensing a nonaqueous foam under pressure from a container wherein the valve of the container is pointed above the horizontal plane.

Abstract: Retrofit systems are provided to convert existing automated vehicle washing systems from using conventional car wash chemicals to highly concentrated chemicals. The retrofit systems enable the concentrated chemicals to be pre-diluted before they are mixed with water from the main water supply. The two systems provided enable the operators of existing car washes to convert from conventional chemicals to highly concentrated chemicals without purchasing an excessive amount of new equipment or carrying out extensive modifications of existing equipment. A novel feature of one embodiment of the present invention includes the use of pre-dilution block for mixing highly concentrated chemical with pre-dilution water prior to the introduction of the mixture to the spray arch where it is diluted again with water from the main water supply. A second embodiment includes the pre-dilution of concentrated chemical twice before it is introduced to the spray arch where it is again diluted with water from the main water supply.

Abstract: A spray gun assembly having a paint cup, a removable lid, a pivotable syphon tube unit rotatably secured to the lid and having an intake end located inside the paint cup, and a handle attached to the pivotable syphon tube unit exterior of the paint cup above the lid. The pivotable syphon tube unit is rotatable in the lid to permit manually positioning the intake end to the lower most region of the paint cup so that the intake end stays immersed in liquid when the spray gun assembly is tilted to a particular position.

Abstract: An airbrush which comprises a front body through which air and paint are directed is provided. A head, having a tube known as a post, is removably attached to the front body. A paint tip and a regulator, removably attached to the head, are also provided. The regulator comprises a detachable holding ring and a regulating tip. The paint tip is secured to the head by the holding ring when the paint tip is placed within the post and the holding ring is attached to the head. The regulating tip can be detached from the airbrush while the paint tip remains secured by the holding ring. The head, paint tip and regulator, comprising a crown, are interchangeable with other crowns.

Abstract: A nozzle assembly which comprises a nozzle aperture for discharge of a fluid as a spray of droplets, and a conduit in fluid flow communication with the nozzle aperture. The flow of fluid through the conduit is restricted by the minimum effective cross-sectional area of the conduit transverse to the line of flow of fluid through the conduit so that back flow of fluid from the nozzle aperture through the conduit at ambient and operational pressure differentials is substantially prevented. The invention further provides for a method of discharging a fluid as a spray of droplets, and a spray generating device which includes the nozzle assembly of the present invention.

Abstract: The invention concerns a jet compressor for gaseous media for use in metallurgical or chemical processes having a driving nozzle which is arranged centrically in a jet head and directed toward a mixing chamber with which a diffuser is connected coaxially. In order to avoid the conventional disadvantages and provide a jet compressor which is simple in design and as compact as possible and to achieve improved efficiency and pressure ratios in comparison to jet devices of the same scale while operating in a reliable manner, it is proposed that the driving nozzle (10) be a ring jet nozzle having a conical central body (12) which narrows in diameter conically toward the mixing chamber (31) of the nozzle (30).

Abstract: An improved syphon-cup paint spray gun assembly includes a spray paint gun and an associated cup container for paint having a cover and a syphon tube extending through the cover for drawing paint from the container through the tube and to the spray gun for discharge therefrom, the cover having a vent formed therethrough and an overflow reservoir connected with the vent exteriorly of the container for preventing passage of paint through the vent to the exterior of the assembly upon manipulation of the assembly by an operator thereof into a position wherein the paint contacts the vent and would otherwise flow through the vent and drip from the assembly. The overflow reservoir is mounted on the cover and includes a generally cup-shaped base defining an overflow chamber communicating with the lower vent and a removable cap attached to the base having a vent formed therethrough offset from the cover vent.