Abstract: A dispensing system includes at least one source of pressurized air and reservoirs for multiple automobile finish products. A discrete spray gun is provided for each of the products.

Abstract: An adjustable adapter includes two arms, each having an axis, a surface substantially normal to the axis, wherein the surfaces of the arms face each other, an end and a passageway for fluid communication between the end and the opening, wherein one of the arm ends is for connection to an inlet of an applicator and the other arm end is for connection to an outlet of a container, and a fastener for pivotally coupling the arms. One of the arm surfaces is provided with a groove in fluid communication with both arm openings. The groove is sealed to prevent fluid from leaking from between the surfaces. When the fastener is in a rotation-resisting mode, the fastener forces the surfaces of the arm toward one another sufficiently to increase friction and resist rotation therebetween, and when the fastener is in a rotation-permitting mode, the fastener releases the surfaces sufficiently to decrease friction and permit rotation therebetween.

Abstract: A programmable odor-bearing substance diffusion device includes a number n of odor diffusion devices, where n is equal to or greater than 1, each odor diffusion device including a store of an odor source which is dispensed by the odor diffusion device, a device for independently controlling each odor diffusion device to emit a single odor or a mixture of odors from a by a combination of p of the n stores, and a programmable control device for establishing odor peak emission cycles and a predetermined interval between two successive emission cycles, the predetermined interval being based on an olfactory saturation and desaturation times of the olfactory system of a user.

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: An air brush. The brush includes an adjusting function, in which without bringing about an increase in manufacturing cost, the adjusting function for arbitrarily adjusting a retreating position of a needle is provided and blowing-off of a certain amount of coating material can be easily performed. The air brush is constructed by detachably and threadedly connecting a cap member to a rear section of an air brush body in such a manner that the cap member covers an adjusting screw and a rear portion of the needle. An abutting portion is provided in an interior of the cap member and the chuck adjusting screw is adapted to be abutted against the abutting portion upon retreating of the chuck adjusting screw retreated by the operation of an operating lever.

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: The invention is directed to a dispenser attachment to be mounted on a standard bottle having exterior threads at its neck. The attachment has two side arms emanating from a center. One arms has at its outer end a pressuring air bulb attached thereto. The outer end of the bulb has a one-way ball valve attached therein and another one-way ball valve is attached within the other end of the bulb. The pressurized air generated by the bulb enters directly into the interior of the bottle by way of a passage way. The passage way has a bypass just downstream of said one-way ball valve to accommodate the inward movement of the ball. The pressurized fluid in the bottle is controlled by a single unit ball valve assembly having a push button under a bias of a spring. The push button is located at the top of the attachment and is flush with its surface.

Abstract: A device for dispensing a liquid in a carrier fluid flow comprises a container (10) for the liquid, into which a pressure flow of carrier fluid is driven. A liquid conduit (20) within the container has an outlet (22) in the path of the carrier fluid flow into the container so that liquid is taken up and is carried with the flow, through an outlet (26) from the container. The container can be formed by a disposable capsule that is replaceably inserted into the device.

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 support bracket for mounting a device such as a laser targeting and feedback system to a spray gun. The bracket includes a bolt having a threaded end, a first collar disposed on the bolt opposite the threaded end and a second collar threadably engaged with the threaded end of the bolt. A compressible member is disposed on the bolt between the collars. Opposite the compressible member, a support arm used to support the device is attached to the second collar. The bracket is engageable with a portion of the spray gun body and is engaged therewith by deflecting the compressible member between the collars such that the compressible member frictionally engages the spray gun. The use of the compressible member to secure the bracket to the hook allows the bracket to be utilized with spray guns having various configurations so long as the spray gun incorporates a portion on the spray gun body that is engageable by the compressible member.

Abstract: An air brush apparatus that is made up of a head assembly, a shell assembly, an air valve assembly for controlling the compressed air which is fed into the apparatus, a handle assembly, a lever assembly, and a paint regulating needle, with a distal end and a proximal end, being movably inserted into the handle assembly and through the air valve assembly and into the head assembly. The paint regulating needle can be cleaned by simply twisting the handle assembly. The apparatus also is designed with a more comfortable and ergonomic lever handle assembly.

Abstract: A color selection mechanism for an integrated color selecting and blending system utilizes a disc having a flat surface with an axial projection therefrom for connection to an airbrush in order to supply selected color paint under regulated air pressure from a group of bottles storing different colors of paint. An opening in a convex surface of the disc opposite the flat surface thereof at a predetermined radial distance from the axis of the projection is connected by a slant bore to the axial projection for passing paint under pressure to an airbrush. A cylindrical block having a concave surface for a tight matching fit with the convex surface of the disc has bores parallel to its axis at the predetermined radial distance. By turning the cylindrical block on its axis, the parallel bores, to which the paint tubes are connected, can be individually selected to supply paint by aligning any one of those bores with the slant bore opening of the convex surface of the disc.

Abstract: A color selection means for an integrated color selecting and blending system utilizes a disc having a flat surface with an axial projection therefrom for connection to an airbrush in order to supply selected color paint under regulated air pressure from a group of bottles storing different colors of paint. An opening in a convex surface of the disc opposite the flat surface thereof at a predetermined radial distance from the axis of the projection is connected by a slant bore to the axial projection for passing paint under pressure to an airbrush. A cylindrical block having a concave surface for a tight matching fit with the convex surface of the disc has bores parallel to its axis at the aforesaid predetermined radial distance. By turning the cylindrical block on its axis, the parallel bores, to which the paint tubes are connected, can be individually selected to supply paint by aligning any one of those bores with the slant bore opening of the convex surface of the disc.

Abstract: A pressure proof gasket plate for use with a cup and special or modified lid assembly for a spray gun, consisting of a cup with a first end configured with fittings suitable for attachment to the feed port of the spray gun and a second end with a large opening for access and filling, and a domed lid, with an external mechanism for providing a compressive attachment of the lid to the cup with the gasket plate in between. The floating gasket plate has a compressible gasket configured on its inside surface so as to form a seal when it contacts the edge of the cup as the lid is applied to the cup. The floating gasket plate is sealed to the cup by pressure on its periphery as applied by the domed lid. The floating gasket plate is made of such material and thickness as to resist deflection and deformation under normal working pressure of the spray gun.

Abstract: An air brush to draw fine lines and in particular super-fine lines in a small blow-out area, maintain an ideal proportion of air and paint spray from the nozzle, and draw smoothly without spots, ink scattering or omissions by means of operating button of an operating lever formed with a support piece installed in an operating button of an operating lever. A through rod is vertically inserted through an insertion hole in the support piece. A contact piece is attached at the bottom of the through rod. A locking mechanism is provided to clamp the through rod in any desired position or support the through rod for up and down movement. The air brush is configured so that bottom surface of the contact piece may contact with and separate from the top surface of an air brush main body. By tilting the operating lever and causing the contact piece to slide along in contact with the upper edge of the air brush main body, a balanced amount of paint and air can be blown from the nozzle.

Abstract: A nozzle spraying a cleaning liquid to an observation window. A jet spray aperture for spraying fluid is provided to the distal end portion of an insertion portion. A first fluid supplying passage connected to a nozzle and a control-valve. A second fluid supplying passage connected to the jet spray aperture. A casing divides the first fluid supplying passage into a nozzle side passage and a valve side passage, connects to the second fluid supplying passage, and includes a pump connector detachably connected to the fluid pumping means and a supplying passage. A switching passage, formed in the pump connector, switches between positions wherein the nozzle side passage is connected to or cut off from the valve side passage, depending on the state of the supplying passage. A check valve is provided to the supplying passage for preventing flow from the switching passage side to the suppyling passage side.

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 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 method and a device for supplying powder to a scattering device, comprising a device for producing negative pressure, a device for producing excess pressure, a powder container for receiving a powder reserve, and a separating device which is located inside the powder container and which separates a quantity of the powder reserve from the remainder in the powder container. The excess pressure device is connected to an air supply device. When the excess pressure device allows the air to strike the quantity of powder which has been separated, the powder forms swirls. The negative pressure device is connected to the powder container in such a way that the swirling powder is conveyed out of the powder container and to the scattering device by the negative pressure.

Abstract: A cleaning device has a tank for liquid and a conveying device as well as an outlet opening. A conduit is connected to the tank and to the outlet opening. The conveying device is connected to the conduit and introduces a compressed gas into the conduit so that the cleaning medium exiting from outlet opening is a mixture of the liquid contained in the tank and the compressed gas.

Abstract: A dispensing system includes at least one source of pressurized air and reservoirs for multiple automobile finish products. A discrete spray gun is provided for each of the products.

Abstract: A pressurized system for the preparation and mixing of two or more component solutions comprising a cleaning solution to produce a prepared cleaning solution for use with various applicators in common use in the cleaning industry. The system is made up of a mobile frame for supporting a plurality of pressurized tanks which are connected through feed lines to a mixing tee fitting to produce the output mixed cleaning solution. An inline heater can be optionally added in one or more of the feed lines to provide heat to the component solution before mixing, and an inline heater can be optionally added after mixing to heat the prepared solution. Pressure is supplied to the system by an air compressor directly connected to each of the pressurized tanks so that the same pressure is applied to all tanks.

Abstract: Liquid dispensing apparatus comprises a tubular casing having at one of its ends a mouthpiece and an elongate cap, and at the other of its ends a nozzle having an orifice in communication with an expansion chamber bounded by sides which diverge away from the orifice. A liquid source including an elongate body and an absorbent nib (e.g. a felt-tipped pen) is located within the casing with side surfaces of the pen body spaced from internal was surfaces of the casing to define an air flow passageway therebetween. First and second stop means are provided within the casing against the first of which a surface of the elongate body can abut to position the nib of the liquid source within or in close proximity to the nozzle orifice, and against the second of which a rearward end of the elongate body can abut to position the nib of the liquid source in a relatively airtight manner into one end of the elongate cap. The other end of the elongate cap is closed.

Abstract: A roadway deicing system uses a pressurized gas stored in a high pressure tank to dispense a solid or liquid deicer onto a roadway. An electrically powered controller responds to control inputs to control valves, such as solenoid valves, to cause the deicer to be dispensed at appropriate times. Since electrical power is not used for propelling the deicer onto the roadway, conventional storage batteries can provide long service life for the system between maintenance intervals.

Abstract: Liquid dispensing apparatus comprises a tubular casing having at one other end an inlet nozzle connectable to a source of gas under pressure and at its end an outlet nozzle having an orifice in communication with an expansion chamber bounded by sides which diverge away from or converge towards the orifice. The liquid dispensing apparatus containing a pen-like liquid source having an absorbent nib at least partially within the casing with the nib within or in close proximity to the nozzle orifice. The pen-like source may comprise a felt-tipped pen.

Abstract: The object of the present invention is a liquid atomization procedure that uses appropriate geometric parameters and physical properties to ensure that the liquid to be atomized is discharged as a continuous, steady capillary microjet through a suitable orifice. The procedure relies on the microwithdrawal effect undergone by a liquid-gas interface when the gas is withdrawn from a point (orifice) near the liquid surface. The invented procedure is applicable to any mechanism involving homogeneous atomization of liquids (particularly electronic fuel injection).

Abstract: An apparatus for spraying pseudo hair increasing material including a first container 3 for storing therein pseudo hair increasing material 2, and a second container 4 detachably coupled to the first container 3 through a coupler 30, the second container 4 being provided therein with an injection mechanism 9 for injecting the propellant gas into the first container 3 through an injection nozzle 5, the first container 3 being formed with a discharge port 31 for discharging the pseudo hair increasing material therethrough, the discharge port 31 having an axis in alignment with that of the injection nozzle 5, a bore of the discharge port 31 being larger than that of an injection port 50 formed on a distal end of the injection nozzle 5, through operation of the injection mechanism 9, the propellant gas from the injection nozzle 5 being injected to thereby cause the pseudo hair increasing material to be discharged from the discharge port 31 towards a predetermined area.

Abstract: The object of the present invention is a liquid atomization procedure that uses appropriate geometric parameters and physical properties to ensure that the liquid to be atomized is discharged as a continuous, steady capillary microjet through a suitable orifice. The procedure relies on the microwithdrawal effect undergone by a liquid-gas interface when the gas is withdrawn from a point (orifice) near the liquid surface. The invented procedure is applicable to any mechanism involving homogeneous atomization of liquids (particularly electronic fuel injection).

Abstract: Dispensing systems and methods for stucco and similar materials. The system comprises a dispensing assembly and a cartridge assembly. The dispensing assembly comprises a piston pushing assembly, an outlet assembly, and a structural assembly for holding the piston pushing assembly in a fixed relationship to the outlet assembly. The cartridge assembly can contain the material to be dispensed and is mounted within the dispensing assembly. Operation of the piston pushing assembly forces stucco or other material to move from the cartridge assembly to a mixing chamber portion defined by the outlet assembly. At the mixing chamber portion, the stucco material is mixed with a stream of pressurized air which carries the mixture out of the system and deposits the material onto a surface to be coated. The system allows substantial control over the manner in which the stucco or other material is sprayed.

Abstract: A spray gun paint container includes an L-shaped connector, a horizontal connector, and a spray gun along with the paint container, whereas the front end of the spray gun is integrally formed with a top connecting head which is connected with the L-shaped connector which then connected with the horizontal connector and the paint container is in turn connected with the horizontal connector, thus the container is able to rotate in 360 degrees with respect to the horizontal connector, and the L-shaped connector is also able to rotate in 360 degrees with respect to the spray gun, and hence the container is able to rotate with respect to the spray gun.

Abstract: An industrial spray gun cup structure includes a connector, a guide member, a collar and a cover body. A reception section of the cup is engaged with the guide member so that the cup can be only normally rotated without rotating and loosening other parts. The cup is integrally formed with inclined ribs which are tightly fitted with corresponding connecting sections of the cover body. While rotating the cover body by a certain angle, the ribs can be separated from or inserted with the connecting sections so as to open or close the cover body. Therefore, the cover body can be conveniently rotated to firmly and tightly fit with the cup without leakage.

Abstract: A spray nozzle for improved siphon or nozzle flow rate performance comprises four passageways configured to take advantage of the venturi effect. The first passageway is adapted for receiving a first pressurized fluid from a first source which is pressurized by a compressor. The first passageway exits to a second passageway with a reduced cross-sectional area which in turn has an outlet into the third passageway. A fourth passageway is connected to the third passageway near the outlet of the second passageway. The ratio of the diameter of the third passageway over the diameter of the second passageway is greater than 2.7 in combination with an exit angle of the outlet tube between 1.1 to 5.7 degrees.

Abstract: A pressure gauge assembly is disposed between a pump which pumps a powder from a fluidized bed and a spray applicator which sprays the powder onto a workpiece such as a vehicle body moving along a painting line. The pressure gauge assembly provides and early warning of clogging in the pump and/or applicator.

Abstract: An in-line point of use filter includes a restrictor flow valve and pressure gauge port integral therewith. The filter includes an internal threaded spindle which rigidly retains a coalescing filter in place. As a result of the compact spindle and filter arrangement, the entire filter assembly fits under a suction feed paint sprayer and allows the combined sprayer and filter unit to stand without toppling. The threaded spindle threads coaxially with a valve body and conducts compressed air therethrough. The compressed air passes from the threaded spindle directly into the filter media and transversely therethrough, and then from the filter media on to the external filter housing and longitudinally therewith into a small chamber carrying the pressure gauge port, the small chamber which is coupled directly into the sprayer body air inlet.

Abstract: An attachment to an airbrush provides fine line detail with relatively slow movement of the airbrush and attachment. The attachment couples to the nose of an airbrush and receives the atomized media spray from the airbrush within a chamber. The chamber couples to atmosphere through a relatively large bypass orifice and through a relatively small fine line detail nozzle orifice. A majority of the media passes from the bypass orifice, however the media emerging from the attachment fine line detail nozzle orifice and applied to a workpiece to produces fine line detail work without requiring rapid movement of the airbrush relative to the workpiece.

Abstract: A handheld pressurized hopper gun for use in patching acoustic ceilings and repairing cracks and damage in walls and ceilings by applying a texturized sealing compound thereto is disclosed. The pressurized hopper gun is typically employed where plaster walls and ceilings are being refurbished due to damage thereto. The handheld pressurized hopper gun includes a spray gun, a pressurized sealed hopper mounted over the spray gun and containing a sealing compound, and a pressurized air input. The pressurized air input provides low pressure air from an air input housing to an air regulator and the spray gun and to a cock valve and the pressurized sealed hopper. The spray gun has a handle having a first air passage formed therethrough, a movable hollow plunger shaft having a second air passage formed therethrough, a nozzle for seating an end of the hollow plunger shaft and an orifice formed through the nozzle.

Abstract: An adjustable air brush for spray paint cans comprised of a tube portion having an open internally threaded first end and a closed second end with an intermediate extent therebetween. The tube portion has a small tube extending orthogonally downward from an interior surface thereof. The small tube is adapted for coupling with a nozzle hole of a spray can. The tube portion has a pressure knob secured to a top portion thereof. The pressure knob has a tube extending within the tube portion to couple with the small tube to release paint from within the spray can. A spray tip portion removably secures to one of the open end portions of the tube portion. An adjustable knob portion secures to an opposing end portion of the tube portion. The adjustment knob regulates the amount of paint through the tip portion.

Abstract: A new particulate applicator attachment for a leaf blower for applying particulates such as powdered pesticides to a lawn or garden. The inventive device includes an elongate main tube having opposite intake and discharge ends. Each of the ends of the main tube has an opening into the lumen of the main tube. The intake end of the main tube is adapted for attachment to a blower tube of a leaf blower such that the lumen of the main tube is in fluid communication with the blower tube. A container for holding particulates is coupled to the main tube. Provided in the lumen of the main tube are intake and outlet conduits. One end of each of the conduits is connected to the container such that the lumen of the main tube is in fluid communication with the interior of the container through the conduits.

Abstract: The air brush of the present invention has a function to improve a maintenance work characteristic within the air brush main body and capable of selectively realizing a plurality of kinds of blowing injection forms. The air brush main body is separated from between the coating material container and the air supplying port so as to separate into the nozzle container unit at the extremity end of the main body and the residual main body unit, these sections are removably connected at the aforesaid separating section, the aforesaid air brush main body is comprised of one main body unit and a plurality of kinds of nozzle container units and then optional nozzle container units are selectively replaced and installed in respect to the main body unit.

Abstract: Apparatus for distributing yard care material is disclosed using a yard blower having a hand held blower tube. A dry material feed system is affixed to a tube section of the blower tube which introduces dry material into an air flow generated by the blower by a feed opening formed in the tube section. An injection gate controls the amount of dry material dispensed from the feed hopper into the air flow. By using a slopping wall, a gravity feed of the dry material is made possible. Additionally, a liquid feed system may be provided which is secured to the dry material feed hopper to feed a liquid yard treatment material also by gravity feed. Advantageously, a liquid feed conduit is formed on the exterior of the blower tube and has an outlet end disposed a distance from the air exit end of the blower tube so that the liquid is injected into the air flow as it exits the blower tube for atomization and distribution to a treatment area.

Abstract: An air brush is provided with a handle, a front body and a paint regulating needle. The handle and the front body together define a tubular cavity through which the paint regulating needle is carried. A needle chuck releasably holds the paint regulating needle in the tubular cavity. The handle further defines a portal through which the needle chuck may be accessed. One end of the paint regulating needle extends outside of the handle and defines a stop and its other end extends through the handle and the front body. The needle chuck may be loosened, at the portal, to release the needle. The needle can then be grasped at the stop and pulled out of the airbrush so that the needle can be cleaned or replaced without disassembling the airbrush.

Abstract: A paint cup mounting arrangement including a mounting cylinder fastened to a paint spray gun by a screw joint and having a coupling flange around the periphery, a socket sleeved onto the mounting cylinder and having an inward coupling flange forced into engagement with the coupling flange of the mounting cylinder, a paint cup fastened to the socket by a screw joint, a paint guide tube mounted within the mounting cylinder and the socket and sealed by rubber seal rings and adapted to guide paint from the paint cup to the paint spray gun, and a compression spring mounted within the mounting cylinder around the paint guide tube to impart a backward pressure to the socket and to force, the paint cup being adjusted to a vertical position by forcing the socket inwards to compress the compression spring and to disengage the coupling flange of the socket from the coupling flange of the mounting cylinder and then turning the socket about the mounting cylinder.

Abstract: A concentric nebulizer having applicability in inductively coupled plasma spectrometry is disclosed. The device features a nebulizer tube with a tapered front open end and mechanism for removing, replacing, and adjusting the position of central sample capillaries with respect to the opening in the front end to adjust such parameters as gas pressure, sample flow rates, and aerosol formation over a wide range. Devices constructed in accordance with the invention may operate at low gas pressure and are physically compatible to glass concentric nebulizers.

Abstract: A spray gun is provided with a handle part (6) and a housing (2) having a connecting part (3) for a pressure can, said connecting part being provided with a check valve. The housing (2) receives a nozzle pipe (10) bearing a nozzle (11) at the free end, into which pipe a spring-loaded nozzle needle (12) acting upon the opening of the nozzle (11) extends. The nozzle needle is operable via a pivoted lever (9) mounted in the housing (2). To permit the position of the pressure can to be varied and fixed relative to the handle part (6) while involving a simple structure, the housing part (17) bearing the connecting part (3) for the pressure can is adapted to be rotated around the axis (19) of the nozzle needle (12) relative to the housing part (18) bearing the handle part (6).

Abstract: There is provided a liquid atomizing spray gun of the general type that produce single, finite bursts of gas/liquid mixture which overcomes disadvantages of prior designs in that it does not depend for pressurizing and propelling gas on the squeezing of a trigger while aiming the device throughout the spraying stroke and in which a gas compressing piston is not driven by or otherwise directly mechanically linked to a trigger. These and other objectives are achieved in part by providing a spray gun with a chamber containing a gas tight piston that is reciprocable within the chamber, but wherein the piston is not reciprocated by the trigger. Instead, the piston is independently drawn to a rearward position for drawing gas into the chamber through a one way gas intake valve by the creation of a partial vacuum within the chamber. The piston is then released and biased forward to compress the gas within the chamber.

Abstract: This invention relates to a device for forming a mist or fog having a convex surface which receives and expands a fluid delivered thereto. The convex surface of the device has a number of circular protrusions spaced peripherally thereon, separated by a number of slots having holes therein. The holes communicate with an inner cylindrical chamber. Suction is produced through the holes when the fluid stream passes over them, to automatically add a further fluid to the fluid being expanded by the device. A cylindrical sleeve surrounds and protects the device. The device is supported in the cylindrical sleeve, either in front of a nozzle by an annular structure, or by a bent tube held in the cylindrical sleeve in front of the device, or in a venturi.

Abstract: To provide an air brush with a function of spraying an ink coating of a writing material, a holder b holding attachably and detachably a writing material a is mounted to an air brush main body 1 having a coating storing vessel 5, a brush tip a1 of the writing material a held by the holder b is adjacently disposed directly in front of a nozzle 2 of the air brush main body 1 at a predetermined angle of inclination whereby the ink coating impregnated in the brush tip a1 is atomized by impinging a jet stream from the nozzle 2 onto the brush tip al.

Abstract: A paint cup mounting arrangement including a mounting cylinder fastened to a paint spray gun by a screw joint, a socket sleeved onto the mounting cylinder and turned thereabout, a paint cup fastened to the socket by a screw joint, and a paint guide tube mounted within the mounting cylinder and the socket and sealed by rubber seal rings and adapted to guide paint from the paint cup to the paint spray gun, the paint cup being adjusted to a vertical position by turning the socket about the mounting cylinder.

Abstract: An air brush is provided with a handle, a front body and a paint regulating needle. The handle and the front body together define a tubular cavity through which the paint regulating needle is carried. A needle chuck releasably holds the paint regulating needle in the tubular cavity. The handle further defines a portal through which the needle chuck may be accessed. One end of the paint regulating needle extends outside of the handle and defines a stop and its other end extends through the handle and the front body. The needle chuck may be loosened, at the portal, to release the needle. The needle can then be grasped at the stop and pulled out of the airbrush so that the needle can be cleaned or replaced without disassembling the airbrush.