Abstract: A spraying device for multiphase material, comprising: a cylinder, a pair of liquid-conveying pipes, a pair of material-conveying pipes, a nozzle, a pair of switches, at least one pair of storage chambers, a pair of valves, a mixing chamber, and a conveying pump; wherein the conveying pump is connected to the storage chambers via the liquid-conveying pipes, the conveying pump, the switches and the valves control material transmission of the material-conveying pipes, the conveying pump is connected to the mixing chamber via the material-conveying pipes, and the mixing chamber is disposed in front of the nozzle.

Abstract: A dispensing gun for at least two fluid components comprises a gun body having a front section and a middle section. Two needles each have a valve on a forward wall, a socket at a rear section, and a flow path running from the socket to the forward wall. The forward walls of the two needles are received in a flow connector located in the front section. Hoses are connected to the sockets of the two needles and fixed in place relative to a back wall of the gun body. The needles are located in the middle section and move between a dispensing position and a safety position. The fluid components are handled within the interior parts of the gun and do not contact the gun body itself.

Abstract: A spray device for use as a supplementary fluid output, having a mixing chamber for receiving and mixing fluid from two input supplies which supplies mixed fluid to a spray head through a flexible conduit. The relative proportions of input supplies received in the mixing chamber is controlled by a mix controller having a mix actuator which is connected to a mix valve associated with the mixing chamber by an upstanding rotatable sleeve. The spray device is mounted on a hole in a work surface by mounting means. The flexible conduit and the upstanding rotatable sleeve pass through the hole in the work surface and a bore in the mounting means. The mix controller may control the rate of fluid flow through the device.

Abstract: A water outlet apparatus comprises a hand-held tubular wand in two co-axial rotatable parts in which at or towards the outer end of an outer part water outlet means is provided. A mixing/shut-off valve is housed in an inner end of the outer part. An inner part has secured therein one end of a hosing for delivery separately of two types of water, i.e. hot water and cold water, to the valve for mixing. The other end of the hosing is for integration into two separate sources of water. The water outlet means may be a series of nozzles radially of the outer part of the wand for use as a shower head.

Abstract: The present invention relates generally to a gas-compression spray device, wherein the nozzle assembly containing all of the wettable parts is detachable from the body of the spray device.

Abstract: A process for cost-effectively and rapidly insulating a desired surface with spray foam insulation is described which includes the application of a polyurethane foam dispensed through heated conduits into a dispensing gun having a nozzle with essentially planar divergent lips having a triangular prism opening, the lips of the nozzle diverging at an angle of between about 5 and 35° inclusive, more preferably between 8 to 15° inclusive, most preferably 10 to 12° inclusive, thereby achieving application rates which are in excess of 70 Ft2/min, and optimally in excess of 100 Ft2/min.

Abstract: A dispensing assembly (1) has a first (10) and second dispensing unit (20), each of which first and second dispensing units has a reservoir for accommodating a liquid substance as well as a manually operable first and second pump (12, 22), respectively, attached to the reservoir. The dispensing assembly furthermore has a pump operating button assembly for jointly operating the first and second pump, the first pump connecting to a first dispensing duct in the pump operating button assembly (2A, 2B) and the second pump connecting to a second dispensing duct in the pump operating button assembly. The pump operating button assembly has at least one dispensing nozzle which is in communication with at least one dispensing duct in tie pump operating button assembly (2A, 2B) for dispensing one or more dispensing products based on the substances emanating from the first and second dispensing units.

Abstract: A dispersion and aeration apparatus including a nozzle portion (11) having a first passage (14) having at least one inlet (15) and at least one outlet (16) for a first fluid, and a second passage (17) having at least one inlet (18) and at least one outlet (19) for a second material, the first passage outlets (16) located so that the first fluid mixes with the second material as it exits the second passage outlet (19) to aerate and disperse the second material in a predetermined direction.

Abstract: A sprayer head assembly comprises a sprayer head and a valve for controlling the flow of fluid through the assembly. The sprayer head comprises a chemical passage, a carrier fluid passage and a vent passage. A generally cylindrical bore is in communication with the chemical, vent carrier fluid passages. The valve is moveably positioned within the bore. The valve is moveable between a first position and a second position. The valve comprises a first passage and a chemical inlet passage that is in communication with the first passage. In the first position, the valve blocks the vent, chemical and carrier fluid passages. In the second position, the first passage is configured to be in communication with the carrier fluid passage while the chemical fluid passage is in communication with the chemical inlet passage. The valve defines a suction generating recess positioned within the first passage.

Abstract: A dispensing applicator for reactive components is provided that comprises a valve assembly having at least two flow paths being separate from each other such that at least a first component in a first flow path and at least a second component in a second flow path may not mix in the valve assembly, where there is a passage in each of the at least two flow paths that have one or more exit openings in a peripheral wall of each passage. The dispensing applicator further comprises a resilient flow control band surrounding the periphery of each passage and the one or more exit openings in the peripheral wall of the each passage to prevent cross-over flow of one component into the flow path of the other component. The resilient flow control bands may be positioned anywhere along the flow path leading to a mixing chamber for the reactive components.

Abstract: A sprayer head assembly for dispensing a chemical stored within a container comprise a body having a bore and a valve moveably positioned at least partially within the bore. The housing includes passages for carrier fluid and the chemical. A vent passage is also provided. The valve selectively closes and opens the carrier fluid, chemical and vent passages. The valve is configured to rotate about an axis that extends in a generally vertical direction.

Abstract: A manually actuated dispensing gun can deliver different fluids to be mixed. The gun has a body assembly with first and second valves. A lever arm manually actuates the valves. A cap has first and second fluid inlets that are coupled to respective controlled fluid outlets of the valves. The cap has a duct that opens into and runs from a first inlet to a first cap outlet, and another duct that opens into and runs from the second inlet to a second cap outlet without opening into the other duct. One of the ducts has a larger cross-section flow area along its entire length than the other. Other embodiments are also described and claimed.

Abstract: An apparatus for selective eductive dispensing of multiple chemical fluids from separate fluid containers includes a motive fluid inlet; an eductor in fluid communication with said motive fluid inlet; a selector switch defining at least one inlet and an outlet therein, said inlet and outlet in fluid communication with one another and said outlet in fluid communication with said eductor and wherein said selector switch inlet is in selective fluid communication with said fluid containers depending on the position of the selector switch; and a valve located between said motive fluid inlet and said eductor, said valve selectively opened and closed by movement of said selector switch.

Abstract: A sprayer head assembly comprises a chemical passage, a carrier fluid passage, and a housing that has an outer surface and an inner surface, which defines a valve chamber configured to be in communication with the chemical and carrier fluid passages. A valve is moveably positioned within the valve chamber between at least a first position, a second position and a third position. The valve defines a first passage, a second passage and a chemical inlet passage that is in communication with the second passage. The valve is configured such that, in the first position, the valve blocks the chemical and carrier fluid passages, in the second position, the first passage is configured to be in communication with the carrier fluid passage while the valve blocks the chemical fluid passage, and in the third position, the second passage is configured to be in communication with the carrier fluid passage and the chemical inlet passage is configured to be in communication with the chemical passage.

Abstract: Disclosed herein are various embodiments related to a chemical sprayer that includes a sprayer head assembly and a container. The container defines a cavity for storing a chemical to be sprayed. The sprayer head assembly includes a chemical passage, a carrier fluid passage, a vent passage, a valve chamber and a valve. The chemical passage is communication with the cavity. The carrier fluid passage is in communication with a carrier fluid source. Both the carrier fluid and chemical passages are in communication with the valve chamber. The valve is moveably positioned within the valve chamber and defines at least partially a first passage and a second passage. The first passage is configured so as to be in communication with the chemical passage when the valve is in an open position. The second passage is configured so as to be in communication with the carrier fluid passage when the valve is in the open position.

Abstract: A liquid reservoir of a hand-held, air-assisted spray apparatus is characterized by a plurality (i.e., two or more) of liquid-holding compartments. Each liquid-holding compartment is connected through an outlet port into fluid communication with the flow channel of the hand-held spraying apparatus. The liquid-holding compartments are isolated from fluid communication with each other such that a liquid introduced into one of the compartments is held apart from a liquid introduced into the other compartment. A rotatable element is associated with each liquid-holding compartment. Each rotatable element has a predetermined displacement. The rotatable elements are coupled together for rotation by a common shaft, so that, in use, the relative volumes of liquids dispensed from the respective liquid-holding compartments into the flow channel remain in a predetermined ratio regardless of the rate at which the liquids flow from their respective compartments.

Abstract: A torch operable to pivotally secure a lever on opposite sides of the torch. The torch may comprise a torch butt, a valve assembly, and a lever. The valve assembly may be operable to control a flow of a fluid through the torch butt. The lever may be selectively securable to a first portion of the torch butt and a second portion of the torch butt. The second portion of the torch butt may be disposed opposite the first portion of the torch butt. The valve assembly may be selectively securable within the torch butt to enable the lever to operate the valve assembly with the lever selected to pivot about the first portion of the torch butt and the second portion of the torch butt.

Abstract: A valve for controlling the flow of a gas or mixture of gases through a passageway in a coating material dispensing device includes first and second valve portions. The first valve portion is adjustable with respect to the second valve portion selectively to adjust the flow through the passageway. One of the first and second valve portions includes a first engagement member and the other of the first and second valve portions includes a second engagement member. Engagement of the first and second engagement members indicates the relative orientation of the first and second valve portions.

Abstract: A sprayable polymeric material and a process for preparing the material which contains a fibrous material, dispersed throughout the polymeric material. A restriction free spray nozzle is provided for mixing and spraying the polymeric material having a fibrous material, the nozzle having a restriction free check valve. A reinforced structure, and a method of making the structure are provided, the structure having layers of the polymeric material (both film and foam) containing the fibrous material. A flexible liner is provided of a porous geotextile fabric and a polyurethane composition comprising the fibrous material sprayed over the geotextile fabric.

Abstract: An air brush includes a brush member with a head portion at an end and a nozzle on the head portion. A nozzle cover is detachably bonded to the nozzle. The nozzle cover has a first attracting portion, and the nozzle has a second attracting portion associated with the first attracting portion. The first attracting portion and the second attracting portion are attracted together by a magnetic force to bond the nozzle cover to the nozzle.

Abstract: A spraying apparatus for spraying liquid surface treatment material which includes a gas inlet, a liquid inlet and an outlet nozzle. The apparatus also has a needle valve for regulating the supply of surface treatment material to the nozzle. The needle valve is at least partially located within a gas outlet chamber and is adapted so as to cause minimal disruption to the gas flow from the gas inlet to the nozzle. To further aid gas flow efficiency, the gas supply passage is substantially straight, the outlet chamber has a laterally outwardly tapering inlet and an inwardly tapering outlet and a smooth radius of curvature from the gas supply passage into the outlet chamber. There is also provided a control means for controlling the axial movement of the needle valve, the control means being provided with indicator means so as to provide an accurate, repeatable control means.

Abstract: Disclosed are embodiments related to a chemical sprayer that comprises a sprayer head assembly and a container. The container defines a cavity for storing a chemical to be sprayed. A valve may be longitudinally moveable from an open position to a closed position. In the closed position, the valve may block a chemical passage, a vent passage, and a carrier fluid passage. In an open position, these passages are opened.

Abstract: A dual sprayer has an externally mounted mixing manifold for intimately commingling disparate liquids sprayed during pumping and issuing through a nozzle as a complete admixture of dual liquids.

Abstract: An air brush having a simple structure which can be easily disassembled and assembled without use of any particular tool, for improvement in maintenance performance. In the air brush, a needle to open/close a nozzle member is inserted through an air brush main body. Compressed air supplied from an air valve is blown out of the nozzle member. The compressed air is introduced to the nozzle member and sprayed, with supplied paint, by operation of a finger hooking mechanism. The air brush main body and a tail case are connected via a screw connection member, and a needle chuck is fit-inserted and supported unrotatably but withdrawably. A spring case is fitted around an outer periphery of the needle chuck and screw-engaged in a rear opening of the screw connection member, and a coil spring is elastically set in the spring case. A needle stopper screw is screw-engaged with the needle chuck projected rearward from the spring case.

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 hose-end sprayer has a selectively rotatable rotary valve received within the transverse bore of a housing which includes a carrier liquid inlet passage, a chemical liquid inlet passage and a discharge passage. The valve has a carrier liquid duct and a chemical liquid duct opening into the carrier duct for interconnecting the inlet passage in a first rotative position of the valve, and the valve is capable of closing the inlet passages in a second rotative position of the valve. The rotary valve is selectively rotatable in a third position for interconnecting the liquid passage only with the discharge passage in a rinse position of the valve. Container venting is isolated from a valve chamber in which the rotary valve operates to avoid entry of carrier liquid into the container through the open vent in the ON position of the valve upon its selective rotation.

Abstract: A sprayer head assembly comprises a chemical passage, a carrier fluid passage, and a housing that has an outer surface and an inner surface, which defines a valve chamber configured to be in communication with the chemical and carrier fluid passages. A valve is moveably positioned within the valve chamber between at least a first position, a second position and a third position. The valve defines a first passage, a second passage and a chemical inlet passage that is in communication with the second passage. The valve is configured such that, in the first position, the valve blocks the chemical and carrier fluid passages, in the second position, the first passage is configured to be in communication with the carrier fluid passage while the valve blocks the chemical fluid passage, and in the third position, the second passage is configured to be in communication with the carrier fluid passage and the chemical inlet passage is configured to be in communication with the chemical passage.

Abstract: An improved metering apparatus is provided for use with a foam dispenser that disperses beads of foam after mixing streams of two foam components together. The dispenser has a pair of seal passages formed in a body portion of the dispenser and a spool valve rotated mounted in the body portion. The spool valve has a pair of flow passages formed in it that can be rotated into mating alignment with the seal passages formed in the dispenser body. The spool valve flow passages have circular cross-sections while the seal passages have non-circular cross-sections, and preferably triangular cross-sections.

Abstract: The present invention relates to a chemical sprayer that includes a sprayer head assembly and a container. The container defines a cavity for storing a chemical to be sprayed. The sprayer head assembly includes a chemical passage, a carrier fluid passage, a vent passage, a valve chamber and a valve. The chemical passage is communication with the cavity. The carrier fluid passage is in communication with a carrier fluid source. Both the carrier fluid and chemical passages are in communication with the valve chamber. The valve is moveably positioned within the valve chamber and defines at least partially a first passage and a second passage. The first passage is configured so as to be in communication with the chemical passage when the valve is in an open position. The second passage is configured so as to be in communication with the carrier fluid passage when the valve is in the open position.

Abstract: A disposable nozzle for an airless, polyurethane spray gun has an inlet chamber section sealingly latched to the gun nose for receiving polyurethane foam components, a mixing chamber section adjacent the inlet chamber containing a static mixer for mixing the polyurethane components and a dispensing tip section adjacent the mixing chamber for discharging the polyurethane as a spray. The dispensing tip has a longitudinally extending passage terminating at a rectangular opening in the tip defined by long side edges and short side edges. The length of the long side edges are generally maintained throughout the tip passage and approximate the diameter of the mixing chamber exit to produce a consistent rectangular fan spray pattern from the nozzle. Spray guide tabs extend from the long side edges of the rectangular tip opening to alleviate nozzle drip during dispensing.

Abstract: A gas cutting torch has a body including an oxygen preheat tube having a first longitudinal axis and a fuel gas preheat tube having a second longitudinal axis. A head is connected to the preheat tubes having an oxygen passage communicating with the oxygen preheat tube, a fuel gas passage communicating with the fuel gas preheat tube, and an outlet for the flow of mixed gases from the torch. A mixing chamber in the head communicates with the oxygen passage and fuel gas passage. The torch has an orifice in the oxygen passage through which oxygen is adapted to flow to the mixing chamber at an increased flow velocity with an accompanying pressure drop. The pressure drop assists in the flow of fuel gas into the mixing chamber for mixture with the oxygen. A diffuser in the head defines a diffuser passage having an inlet region for receiving oxygen and fuel gas from the mixing chamber for flow through the diffuser, and an outlet region for the delivery of oxygen and fuel gas to the outlet of the head.

Abstract: An applicator is provided which through the use of valve assemblies and separate first and second tubing member delivers two separate materials separately to a mixing head. The mixing head is provided with two separate passageways which terminate into an outlet passageway. To help create equal pressure between the materials at the point where the materials meet, an impinger can be placed in one or both of the mixing head passageways. Material flowing into each mixing head passageway first meet and are mixed in the outlet passageway. A tip is attached to the mixing head and a static mixer can be disposed within the tip for further mixing of the combined materials prior to their application out of the tip onto the intended surface. Material is supplied to the valve assemblies by various methods such as hoses. A spray gun embodiment is also disclosed.

Abstract: In contrast to the conventional air brush, an air brush in the invention has a function in which even a beginner can easily perform an operation for pulling an operating rod little by little while the operating rod is slightly pushed and pulled at an initial stage of the drawing of a line requiring a technique and an experience. The operating rod arranged in an air brush main body forms a slanting face therein projected on the front face of this operating rod while the slanting face is inclined from below to above, and this slanting face abuts on the front side edge of a notch port of the air brush main body. An air valve is opened every small amount and a needle is simultaneously retreated every small amount in a range in which the slanting face of the operating rod and the front side edge of the notch port come in contact with each other and are slid at the initial stage of an operation for pushing and moving the operating rod.

Abstract: A substance delivery apparatus, such as a spraying apparatus, that includes an adjustment element for regulating the flow of at least one substance between at least one inlet and at least one outlet. The adjustment element is displaceable between a first position, corresponding to a first delivery condition of the at least one substance, and a second position, corresponding to a second delivery condition of the at least one substance, and the adjustment element comprises at least one sealing element for facilitating airtight fluid communication in association with at least one of the first and second delivery conditions.

Abstract: An applicator is provided which through the use of valve assemblies and separate first and second tubing member delivers two separate materials separately to a mixing head. The mixing head is provided with two separate passageways which terminate into an outlet passageway. To help create equal pressure between the materials at the point where the materials meet, an impinger can be placed in one or both of the mixing head passageways. Material flowing into each mixing head passageway first meet and are mixed in the outlet passageway. A tip is attached to the mixing head and a static mixer can be disposed within the tip for further mixing of the combined materials prior to their application out of the tip onto the intended surface. Material is supplied to the valve assemblies by various methods such as hoses.

Abstract: The present invention relates to a chemical sprayer that includes a sprayer head assembly and a container. The container defines a cavity for storing a chemical to be sprayed. The sprayer head assembly includes a chemical passage, a carrier fluid passage, a vent passage, a valve chamber and a valve. The chemical passage is communication with the cavity. The carrier fluid passage is in communication with a carrier fluid source. Both the carrier fluid and chemical passages are in communication with the valve chamber. The valve is moveably positioned within the valve chamber and defines at least partially a first passage and a second passage. The first passage is configured so as to be in communication with the chemical passage when the valve is in an open position. The second passage is configured so as to be in communication with the carrier fluid passage when the valve is in the open position.

Abstract: An improved metering apparatus is provided for use with a foam dispenser that disperses beads of foam after mixing streams of two foam components together. The dispenser has a pair of seal passages formed in a body portion of the dispenser and a spool valve rotated mounted in the body portion. The spool valve has a pair of flow passages formed in it that can be rotated into mating alignment with the seal passages formed in the dispenser body. The spool valve flow passages have circular cross-sections while the seal passages have non-circular cross-sections, and preferably triangular cross-sections.

Abstract: The present invention relates to a chemical sprayer that includes a chemical passage, a carrier fluid passage, a vent passage, a valve chamber and a valve. The valve is moveably positioned within the valve chamber and defines at least partially a first passage and a second passage that can be selectively placed in communication with the chemical and chemical fluid passages. The valve also includes one or more seal portions positioned on the valve so as to block [both] a vent passage, the chemical or the carrier fluid passages when said valve is in the closed position. The second passage also preferably forms at least in part an outlet of the sprayer head assembly. A suction generating surface is also preferably defined by the valve.

Abstract: A two-component dispensing gun has two longitudinally-extending dispensing passages receiving metering rods and in fluid communication with two feed passages adjacent to an especially configured metering rod tip and valve seats formed at the exit end of each dispensing passage. Valve seats of the dispensing passage extend as protrusions from the gun nose and are sealingly received within cup shaped recesses formed in a detachable, throwaway nozzle having a static mixing chamber. The nozzle has a truncated cone configuration which, in combination with the geometric configuration of the dispensing and feed passages alleviates turbulent flow of the liquid components until reaching the static mixer within the nozzle. A cammed surface on each metering rod in combination with a yoke crossbar formed as part of the gun's trigger provides increased motion of the trigger for fine or slow metering applications of the gun.

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 dispenser for mixing together multiple fluids, such as foam components and dispensing the mixed fluids includes a body portion of the dispenser with fluid entrances and an exit. A handle extends from the body portion to facilitate grasping and operation by a user. A flow control valve is positioned in the body portion for controlling flow of foam components entering the dispenser mixing chamber. The trigger is movably mounted to the body portion in opposition to and spaced apart from the handle. A safety for preventing unintended operation of the dispenser is movably mounted to and extends lengthwise of the trigger that is always biased into a safety position. The safety has an arm for preventing movement of the trigger sufficient to cause unintended operation of the flow control valve, and the safety may be disengaged by the same single-handed action used to actuate the dispenser to dispense the mixed fluids.

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: The spray gun has an air cap that generates a spray mixture of liquid and air. The air cap includes a fluid valve for controlling the delivery of liquid and a separate air valve in the body of the spray gun is provided for controlling delivery of air. A control mechanism assembly for both of the valves is located axially within a central bore extending substantially the length of the spray gun. The control mechanism is actuated by means of a cam and follower arrangement with the cam surface provided on the rear of a manually operable trigger. The fluid valve is fully adjustable separately from the air valve but the control mechanism assembly includes a common control member that is in engagement with the control mechanism and operates both the fluid and air valves.

Abstract: A multifunction car wash gun including a car wash gun body, a connector, an adjustment mount, a sleeve, a setting sleeve, and a nozzle. The connector is fastened to the car wash gun body and has a water passage formed that is in continuity with the water passage in the car wash gun body. A soap solution output hole of the water passage is situated in the lower receptacle. The adjustment mount is installed at the bottom end of the connector. The sleeve is filled with a soap solution and installed into the lower receptacle. A liquid wax chamber is attached between the connector and the car wash gun body. A user can directly rotate the adjustment mount to selectively control water flow stoppage, water-only output, a combination water and soap solution output, and a combination water and liquid wax output.

Abstract: A combination spray apparatus which allows for the selection of several different flowable materials to be sprayed from a single unit and at the site of the unit itself. In the preferred manner, the spray apparatus includes a trigger nozzle as well as the selection of two different materials to be sprayed through a second barrel portion. An eductor it utilized to draw selected materials into a spray stream. The combination spray apparatus is operable with water pressures which are customary to most cities and industries.

Abstract: The present invention relates to polyurethane foam spray guns and disposable, attachable nozzles. The spray gun has at least two barrels and metering chambers containing continuous passageways defined by inner bores. Each inner bore can have at least one ramp-shaped slot for controlled metering of a resin. Within each barrel and metering chamber is a plunger. At the front end of the plunger but not the tip is an O-ring that aids in the control of the metering of each resin. At the mid-section of the plunger is at least one O-ring that aids in the prevention of leakage within the spray gun. Both the plunger tip and the discharge opening of each barrel/metering chamber are narrowed/conical. The nozzle contains a one-way valve to prevent the crossover of the resins. The nozzle's tip has different shapes depending on the structure of the foam product desired.

Abstract: An airbrush in which the main lever has a arched bottom recess coupled to the spherical top end of the piston rod of the air valve, so that the main lever can be conveniently turned to open the paint passage when pressed to open the air passage, and the fluid cup can be alternatively fastened to two opposite sides of the barrel to fit the left-handed/right handed user.

Abstract: A chemical aspiration sprayer head includes a carrier channel having an inlet, an outlet through which the carrier fluid exits, and an expansion chamber in between the inlet and outlet, a chemical supply channel in flow communication with the expansion chamber of the carrier channel through an aspiration opening, and a bleed line extending from the chemical supply channel between the aspiration opening and the liquid chemical, the bleed line connecting the chemical supply channel in flow communication to ambient air. A control valve assembly is seated in the sprayer head to simultaneously engage the carrier channel and the bleed line and with the carrier channel open, selectively open and close the bleed line to selectively permit ambient air to be drawn into the chemical supply channel in response to the aspiration flow produced by the flow of carrier fluid.

Abstract: A two-component dispensing gun has two longitudinally-extending dispensing passages receiving metering rods and in fluid communication with two feed passages adjacent to an especially configured metering rod tip and valve seats formed at the exit end of each dispensing passage. Valve seats of the dispensing passage extend as protrusions from the gun nose and are sealingly received within cup shaped recesses formed in a detachable, throwaway nozzle having a static mixing chamber. The nozzle has a truncated cone configuration which, in combination with the geometric configuration of the dispensing and feed passages alleviates turbulent flow of the liquid components until reaching the static mixer within the nozzle. A cammed surface on each metering rod in combination with a yoke crossbar formed as part of the gun's trigger provides increased motion of the trigger for fine or slow metering applications of the gun.

Abstract: An aerosol spray gun used selectively in two spraying modes of small pattern and large pattern and is provided which can be comprised of simple components. Aerosol spray gun 1 includes a throttle valve mechanism 35, an air duct 43, and a coupling link 45. The throttle valve mechanism 35 is provided in an internal air duct 23 for supplying pressurized air to a patterning air outlet 21 which shapes a paint spraying stream jetted out from the aerosol spray gun 1, and it has a movable valve element 39 to which a compressed spring 41 applies force to open the valve. The air duct 43 created at the tip of the movable valve element 39 supplies a small volume of air from the internal air duct 23 to the patterning air outlet 21 while the movable valve element 39 seats on a valve seat 37.