Abstract: A sprayer with a changeable volume includes a container, a pump, a first pipe, a second pipe and a nozzle. The container includes an upper wall and a lower wall. The upper wall can be compressed while not containing water and extensible for containing water. The lower wall is connected to the upper wall. The pump is positioned in a space defined in the lower wall. The first pipe is directed to the pump from a space defined in the upper wall. The second pipe is directed to the exterior of the container from the pump. The nozzle is connected to the second pipe.

Abstract: An electrically-powered fluid sprayer employs a piezoelectric fluid pump that includes an inlet port, an outlet port, a pump chamber, and a piezoelectric element that is deformed and displaced by electrical signals supplied thereto to vary the volume of the pump chamber. Such displacement pumps fluid into the inlet port and into the pump chamber and discharges fluid from the pump chamber out the outlet port. The inlet port is in fluid-communication with a fluid reservoir. Spin mechanics may be disposed downstream from the outlet port of the fluid pump and upstream from the discharge nozzle. The piezoelectric fluid sprayer may be extended to include a dual chamber piezoelectric pump that pumps different fluids (e.g., a liquid and air). The output of the dual chamber pump is mixed in a manifold and supplied downstream to the discharge nozzle. Spin mechanics may be employed in the fluid stream upstream from the discharge nozzle after the mixing.

Abstract: A spray device including a barrel having a bypass and at least two spaced stoppers defining a first and second chambers and a spray nozzle. Movement of the first stopper drives the second stopper to the bypass and the fluid in the first chamber into the second chamber, mixing the fluid and substance. Continued movement of the first and second stoppers drives the mixture through the spray nozzle. The spray device may include a third stopper having a body in the tubular barrel which is moved toward the spray nozzle. The movement of the third stopper provides space for the mixture and prevents unpressurized fluid from flowing through the spray nozzle. The third stopper includes an axial stalk. The stalk may be deformable or the stalk may be separate from the body and the spray nozzle includes a longitudinal internal passage which provides communication with the spray port.

Abstract: A fluid delivery system is provided as a modular system. The fluid delivery system provides a fluid to a robotic spray applicator system that may be used to spray a mold with a motor release compound or in-mold coating. The fluid to be dispensed is contained in the drum and is provided through a fluid circuit including a peristaltic pump, a filter and a heater. The fluid is pumped through the fluid circuit to an applicator that dispenses the fluid onto a mold. The system may also be used in conjunction with adhesives or other compositions that must be filtered, heated and provided to a spray applicator at a metered flow rate. The fluid delivery system may be used in conjunction with a robotic system. The displacement of the peristaltic pump may be controlled by a variable frequency drive or may be controlled by a programmable logic controller of the robotic system.

Abstract: A system and method for injecting a low-pressure spray of solution into a high-pressure spray of liquid produced by a pressure washing system. The system comprises a liquid storage tank for the solution that is operable to be pressurized. The system comprises a wand that is coupled to the liquid storage tank and securable to a high-pressure wand. The system may comprise a high-pressure pump that is operable to produce a high-pressure flow of fluid to the high-pressure wand. The pressure stored in the liquid storage tank provides the force to drive the solution to the discharge of the high-pressure wand.

Abstract: A sprayer with a changeable volume includes a container, a pump, a first pipe, a second pipe and a nozzle. The container includes an upper wall and a lower wall. The upper wall can be compressed while not containing water and extensible for containing water. The lower wall is connected to the upper wall. The pump is put in a space defined in the lower wall. The first pipe is led to the pump from a space defined in the upper wall. The second pipe is led to the exterior of the container from the pump. The nozzle is connected to the second pipe.

Abstract: A liquid flow restrictor in the supply line of an eductor or other dilution or dispensing device has a rotatably mounted disc with opposite faces and a plurality of apertures or holes, which provide different flow restrictions between the faces, and a pair of flow conduits sealingly engaging against the faces, whereby on rotation of the member the zones are selectively brought into communication with the conduits to provide a desired flow restriction.

Abstract: A hand-held battery power sprayer is formed of a body having a spray nozzle, a trigger, and an internally threaded attachment collar having a passageway therethrough. The attachment collar removably receives a container. As battery powered pump is positioned within the body, the pump having an inlet and an outlet, the outlet being connected by a discharge tube to the spray nozzle and the inlet connected by a suction tube extending through the inlet collar passageway into the interior of a liquid-holding container when the container affixed to the attachment collar. A battery is contained within the body. A switch within the body is actuated by this trigger. Circuitry connects the battery, switch, and pump in series. A passive check valve member normally closes the passageway preventing fluid flow from the container into the body and is displaceable to permit air flow into the container.

Abstract: A spray device including a barrel having a bypass and at least two spaced stoppers defining a first and second chambers and a spray nozzle. Movement of the first stopper drives the second stopper to the bypass and the fluid in the first chamber into the second chamber, mixing the fluid and substance. Continued movement of the first and second stoppers drives the mixture through the spray nozzle. The spray device may include a third stopper having a body in the tubular barrel which is moved toward the spray nozzle. The movement of the third stopper provides space for the mixture and prevents unpressurized fluid from flowing through the spray nozzle. The third stopper includes an axial stalk. The stalk may be deformable or the stalk may be separate from the body and the spray nozzle includes a longitudinal internal passage which provides communication with the spray port.

Abstract: The invention relates to a paintgun with pneumatic feeding and discharging process characterized by a pneumatic delivery mechanism. The pneumatic delivery mechanism comprises a flow-guiding body forming a major air channel at front end and a flow-guiding chamber at rear end thereof, a flow-guiding movable body utilizing a valve body to divide the flow-guiding chamber into a front and a rear air pressure chamber with different pressure area and a delivery tube placed around a tube at front part of the flow-guiding body. Moreover, a stopper controls the opening or closing of air flow channel, thereby changing the pressure difference between the front and the rear air pressure chambers. The delivery tube is shifted forward by a small amount of air flow fed into a minor air channel for pushing a paintball a little forward. Thereafter, the paintball is discharged by thrust of air flow into the major air channel.

Abstract: The present invention comprises an extension tube that attaches to the bore end of a water jet producing device that is used to render safe improvised explosive devices by disrupting the firing train of said devices. The present invention comprises an extension tube having a sudden enlargement of cross section, that may be formed by adjusting the dimensions of the interior diameter of the extension tube, at the point of attachment, and a series of apertures in the attachment tube. The extension tube provides a more uniform jet of water with more focused energy by containing the jet until breech pressures are vented. Better control of the water jet will be maintained during firing operations. Further, more energy may be put into the water jet to accomplish specific tasks.

Abstract: A spray gun has a fluid reservoir that contains a removable liner. The liner, which may be thermo/vacuum-formed from a plastics material, is a close fit within the interior of the reservoir and collapses as fluid is withdrawn from within the liner during operation of the gun. Preferably, the liner has a comparatively-rigid base and is capable of standing, unsupported, outside the reservoir. The side walls of the liner are preferably thin in comparison to the base and can be collapsed for disposal of the liner. The reservoir has a removable lid and is capable of standing, inverted, on its own so that it can be filled with fluid. The lid also functions to secure the liner in the reservoir and, at the end of a spraying operation, the lid and the liner are removed together from the reservoir and discarded, thereby simplifying the cleaning of the spray gun.

Abstract: A device for preventing the rotation of a power drill attachment relative to a power drill is provided and is described in combination with a liquid sprayer. The device having a container (10) with a supply tube (12) extending downward into the container (10) and upward into a pump inlet (14) which is open to a pump (16.) The pump (16) has on the rearward side a pump seal (18) and a pump drive (20) and on the forward side a pump outlet (22) and nozzle (24). The pump has a rod (26) affixed to it by means of a rod attachment (28). The rod (26) extends rearward and includes an ergonomic rod pillow (30). Also included is a power drill (36) including a power drill trigger (32) and a power drill chuck (34). When energized the power drill (36) imparts rotational energy to the pump (16). Rotation of the pump (16) relative to the power drill (36) is prevented by the communication of the rod (26) the rod attachment (28) and the housing of the power drill (36).

Abstract: A fluid dispenser device comprising a reservoir (10) containing one or more doses of fluid, a dispensing orifice (20), and a dispensing member (30), said device being characterized in that said reservoir is of the syringe type (10) having a hollow tube (11) provided with an upstream opening (12) and with a downstream opening (13), said upstream opening (12) being provided with a piston (40) which, at rest, forms a leaktight stopper, and which co-operates with an actuating rod (30) forming the dispensing member, and said downstream opening (13) being provided with an end-piece (50) firstly incorporating closure means (51) for forming a leaktight stopper at rest, and secondly adapted to define a spray profile (55) when the device is actuated.

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: An apparatus for supplying a coating material, including: a coating material tank (2) for storing a high-viscosity coating material; a solvent tank (6) for storing a dilution solvent; a mixing machine (11) for mixing the high-viscosity coating material and the dilution solvent; a metering pump (5) for supplying the high-viscosity coating material from the coating material tank (2) to the mixing machine (11); and a solvent pump (9) for supplying the dilution solvent from the solvent tank (6) to the mixing machine (11), wherein the coating material tank (2) is a pressure tank which allows the high-viscosity coating material to be fed under the pressure of compressed air and the metering pump (5) supplies the high-viscosity coating material fed from the coating material tank (2) under the pressure of compressed air to the mixing machine (11) while quantifying the flow rate of the same.

Abstract: A paint cartridge is provided with a wash fluid passage in communication with a paint chamber, along with a wash fluid valve adapted to open and close the wash fluid passage. Provided on the side of a replenishing stool are a replenishing valve which supplies or discharges paint to or from the paint chamber, an extruding thinner feed/discharge valve which supplies or discharges paint-extruding thinner to or from an extruding thinner chamber, and a wash fluid supply valve which supplies a wash fluid to the paint chamber through the wash fluid passage. Accordingly, upon opening the replenishing valve, wash fluid supply valve and wash fluid valve, a wash fluid from the wash fluid supply valve is allowed to flow into the paint chamber through the wash fluid passage and discharged through a feed tube to wash away deposited paint therefrom.

Abstract: A device for dispensing a fluid product includes a reservoir configured to contain a fluid product and a spray orifice associated with the reservoir. The reservoir may include at least one actuating wall having a predetermined threshold resistance to deformation. The actuating wall may be configured to deform in response to pressure exerted on the actuating wall so as to cause the product to be sprayed out from the orifice. When pressure exerted on the actuating wall is less than a threshold pressure Ps sufficient to overcome the predetermined threshold resistance to deformation of the actuating wall, substantially no portion of the product is sprayed from the spray orifice. At least upon a first use of the device, continuous exerting of the threshold pressure Ps on the actuating wall causes spraying of the product from the spray orifice for a spray duration that is capable of being altered.

Abstract: The present invention provides an improved abrasive delivery system for delivering an abrasive material to a waterjet cutting nozzle which has no external pressure effects on the orifice metering the flow of abrasive material from a container for the material by using air pressure to transport the abrasive material to the cutting nozzle through a standard metering orifice where equal pressure is maintained above and below the orifice to provide a constant volume of abrasive material flow to the cutting nozzle which is located up to 100 feet or more from the metering device.

Abstract: A dispenser device is provided for dispensing a fluid substance in spray form. The dispenser device comprising a reservoir containing the fluid to be dispensed and a spray orifice. The reservoir includes at least one actuating wall that can be deformed by applying a pressing force.

Abstract: The invention concerns a reservoir capable of being periodically cleaned and/or filled with a coating product equipped with a piston (10) controlled in its movement by a control rod (11). A module (32) elastically deformable in compression (F) is incorporated in the kinematic linkage (20) between the rod (11) and the piston (10) or between the rod (11) and its actuating means, thereby providing elasticity for positioning the piston against the base of the reservoir, which enables a slight displacement of the piston rearwards when the cleaning product or fresh coating product is being injected.

Abstract: The present invention 10 discloses a portable water container having a housing 22 with a fill cap 38 with a water valve 40 and means 44 within the housing for pumping the water 56 out of the housing 22. In addition, a vent 34 is also positioned within the housing opposite the fill cap 38. A handle 32, located at the top center portion of the device, allows for easy transporting of the container 22. A 12-volt plug 28 and coil cord 30 extends from the interior of the housing container having a connector 54 positioned on the exterior distal end providing means for connecting to a 12-volt power source 60. The other distal end of the cord is connected to a pump 44 that is used to selectively pump the liquid from the interior of the container 22. Also positioned within the housing 22 is a hose 46 connected at one distal end to the pump 44 and at the other to a fitting having a throughbore positioned within the wall of the container housing 22.

Abstract: An improved liquid sprayer having a container (12) with a handle (14). A supply tube (16) extends into the container (12) and upward through a container cap (18) and a container cap attachment (20) and into a pump inlet (22) which is open to a pump (24). Adjacent to the front of pump (24) is a pump outlet (26) and a nozzle (27). Adjacent to the rear of pump (24) is a pump drive (32) which removably communicates with a pump drive socket (34) affixed to a conventional rechargeable drill (36). The drill sprayer (10) can be removably attached to the container (12) which then is refilled and reused. Alternately, the drill sprayer (10) can be permanently affixed to the container (12) and therefore disposable.

Abstract: In order to enable application of a dry i.e. powdery or granulated active substance, said substance is kept apart from a liquid supply in a dispenser. The powder is discharged with the help of said liquid during application. The liquid serves as a carrier for the active substance and is mixed with the liquid to varying degrees prior to discharge. The dispenser (11) has a liquid chamber (21) in an ampoule (19) which is provided with a closure stopper (26) which can be pierced. The liquid flow which is released upon actuation penetrates into a medium storage chamber (43), is mixed with the medium (51) therein and exits via an opened discharge outlet (44) in the form of a spray mist, jet or drop.

Abstract: The present invention relates to a paintgun with pneumatic feeding and discharging process which mainly includes a pneumatic delivery mechanism. The pneumatic delivery mechanism consists of a flow-guiding body, a flow-guiding piston and a delivery tube. The flow-guiding body consists of a major air channel at the front end and a flow-guiding chamber at the rear end thereof. The flow-guiding chamber contains an input port at one side thereof which is in connection with an air pressure source and an output port at the other side thereof which communicates with a minor air channel at the wider part of the flow-guiding body. A stopper is used to control the opening and closing of the air flow channel. The flow-guiding piston is disposed within the flow-guiding chamber. The flow-guiding chamber is divided by the valve body into a front and a rear air pressure chambers with different pressure area.

Abstract: A spray device including a barrel having a bypass and at least two spaced stoppers defining a first and second chambers and a spray nozzle. Movement of the first stopper drives the second stopper to the bypass and the fluid in the first chamber into the second chamber, mixing the fluid and substance. Continued movement of the first and second stoppers drives the mixture through the spray nozzle. The spray device may include a third stopper having a body in the tubular barrel which is moved toward the spray nozzle. The movement of the third stopper provides space for the mixture and prevents unpressurized fluid from flowing through the spray nozzle. The third stopper includes an axial stalk. The stalk may be deformable or the stalk may be separate from the body and the spray nozzle includes a longitudinal internal passage which provides communication with the spray port.

Abstract: A forage preservative applicator system for efficiently and accurately providing forage preservatives to forage during harvesting. The forage preservative applicator system includes a support base, a reservoir positionable upon the support base for storing a volume of biological solution, a valve fluidly connected to the reservoir, a pump fluidly connected to the valve, and a dispensing tube fluidly connected to the pump for dispensing the biological solution into the forage being harvested. A flush container is preferably attached to the reservoir and fluidly connected to the valve for allowing flushing of the dispensing tube. At least one ice pack is preferably utilized within the reservoir for maintaining the temperature of a biological solution at the desired temperature for extending the useful life of the biological solution.

Abstract: A dispenser device is provided for dispensing a fluid substance in spray form. The dispenser device comprises a reservoir containing the fluid to be dispensed and a spray orifice. The reservoir includes at least one actuating wall that can be deformed by applying a pressing force.

Abstract: A hand-held plant watering device used by a gardener or plant caregiver for watering difficult to reach plants. The watering device can be used both indoors and outdoors and is designed for holding and dispensing various quantities of water to each plant. The device includes broadly a flexible water tube attached at one end to a clear plastic water cylinder with a slidable plunger. The flexible water tube includes a first end having a removable defuser for spraying water onto a plant. A second end of the flexible water tube is attached to and is in fluid communication with a first end of the water cylinder. The water cylinder has a liquid measurement index along it's length for metering a desired amount of water from the cylinder. A second end of the water cylinder is used for receiving a first end of the slidable plunger. The first end of the plunger includes a piston with “O” ring therearound.

Abstract: A forage preservative applicator system for efficiently and accurately providing forage preservatives to forage during harvesting. The forage preservative applicator system includes a support base, a reservoir positionable upon the support base for storing a volume of biological solution, a valve fluidly connected to the reservoir, a pump fluidly connected to the valve, and a dispensing tube fluidly connected to the pump for dispensing the biological solution into the forage being harvested. A flush container is preferably attached to the reservoir and fluidly connected to the valve for allowing flushing of the dispensing tube. At least one ice pack is preferably utilized within the reservoir for maintaining the temperature of a biological solution at the desired temperature for extending the useful life of the biological solution.

Abstract: A dispenser (11) with an atomizing nozzle (15) contains a medium chamber (20) with the medium (24) to be discharged. The pump plunger (21) delivering the medium (24) is hydraulically operated by the pressure of a pressure fluid (25), which is manually applied by pressure on a pressure chamber (28) constructed as a squeezing bottle or bag. Several dispensers can be jointly manufactured and sold in chain form.

Abstract: A method for generating a liquid mist to produce phantom targets or camouflage. A liquid is launched by a water cannon (1) at high velocity and initially the liquid is held together in a liquid packet (2) in order to decompose after a certain distance, under the effect of the air resistance, and atomize into small liquid drops to form a liquid mist (3).

Abstract: The invention describes a shower and a faucet apparatus which includes a showerhead (or faucet) and a feeding mechanism, the showerhead (or faucet) includes a water inlet, a water outlet and a water passageway connecting said water inlet and outlet. A feeding aperture is provided on the showerhead (or faucet) connected to the feeding mechanism and the feeding mechanism includes a pump to deliver a substance through the feeding aperture into the passageway for subsequent dispensing through the water outlet. This invention provides a very user friendly water and substances dispensing system particularly useful for the public in the enjoyment of a shower.

Abstract: A fire suppressant device that may be rendered automatic by exposing the device to an elevated temperature. The preferred device comprises a canister housing with a uniform cross section throughout its length, and includes a piston member disposed for sliding movement within the canister housing. The canister housing, preferably cylindrical, for containing a fire suppressant fluid, features in a preferred embodiment a nozzle mechanism that includes a cap member temporarily fixed to the spray nozzle thereof by a solder having a known melting point. Disposed between the cap member and spray nozzle is a compression spring biasing the cap member. When the canister housing is exposed to temperatures of at least the melting point of the solder, the solder melts or softens allowing the cap member to be released under the influence of the compression spring, whereby fire suppressant fluid within the canister housing is released against a fire.

Abstract: An automatic coating apparatus which is arranged to guarantee higher operational reliability, particularly to preclude coating defects as caused by malfunctioning of a cartridge gripper (56) or by the use of an non-replenished or deficiently replenished paint cartridge. A cartridge gripper assembly (55) is constituted by a gripper member (56) with gripper claws for gripping a paint cartridge (25), a grip detector switch (67) which is adapted to detect whether or not the paint cartridge (25) is securely gripped by the gripper. (56), and a replenishment level detector switch (68) which is adapted to detect whether or not the paint cartridge (25) is replenished with paint to a predetermined extent. Therefore, as the paint cartridge (25) is gripped by the cartridge gripper (56), the grip condition on the paint cartridge (25) can be monitor by the grip detector switch (67).

Abstract: Liquid dispensing devices provided with tilting or bending pickup tubes for allowing substantially complete evacuation of the contents of the supply bottles. In preferred embodiments, the pickup tube is connected to a dispensing unit such as a sprayhead by a variety of different types of flexible connectors to allow tilting of the pickup tube. In other preferred embodiments, a semi-flexible pickup tube is weighted to cause bending of the tube with or without the addition of a flexible connector between the pickup tube and sprayhead.

Abstract: By provision of paint cartridges of different colors which are detachably mounted on a coating system, the paint can be changed from one color to another in a multi-color coating operation without necessitating to discharge residues of a previous color. The paint cartridge of each color is replaceably mounted on a housing. Each cartridge is provided with a paint valve (46) which functions to communicate and shut off a paint supply passage in a feed tube. In addition, a thinner valve which serves to communicate and shut off a thinner passage on the housing is provided either on the side of the housing or on the side of the cartridge. These arrangements make it possible to cope with multiple color changes on one coating system. Since both of the paint valve and thinner valve are opened and closed by spray-on and spray-off command signals, respectively, the paint spray can be turned on and off immediately in response to these command signals.

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: An applicator bottle which includes a hand grip neck, a trigger mounted for index finger operation of a pump, and the pump delivers liquid from the bottle. An important feature includes an upwardly canted backing plate having a sponge where in the angle of canting is about twenty to thirty degrees.

Abstract: A fire extinguisher including a spring biased plunger controlled by a trigger mechanism wherein the plunger is mounted in a flame retardant compound container and the spring and plunger cooperate, when the trigger mechanism is activated, to discharge flame retardant compound from the container toward a fire. The extinguisher has a handle end and an outlet end at opposite ends of its length such that a user can hold the outlet end in a remote location away from the user when compound is discharged. The extinguisher can also be mounted and provided with a heat sensor for automatic activation.

Abstract: For humidifying the air in an aircraft cabin, individual spray nozzles are each directed towards a zone including the face of a passenger and fed with water via a controllable closure valve. Typically, each spray nozzle is fed by a respective cartridge or can of pressurized water located in a receptacle formed in a seatback.

Abstract: A portable drywall joint compound pump workstation supplies joint compound to a workstation outlet that is conveniently located. The workstation includes a joint compound supply reservoir having an open top, a pump that pumps joint compound from the supply reservoir, a portable cart that supports the supply reservoir and the pump, and a removable transport tube that feeds joint compound from the pump to the workstation outlet. With the transport tube in place the workstation outlet is held in a relatively stable position in the vicinity of the open top of the supply reservoir. The pump is located below the joint compound supply reservoir, and is a gravity-fed, pneumatic diaphragm pump. The pump inlet is connected to the bottom of the supply reservoir and the pump outlet is located beneath the pump inlet. The pump is thus self-draining. A compressed air manifold assembly including a plurality of compressed air supply ports is provided.

Abstract: The present invention is directed toward a locking mechanism for aiding in the prevention of accidental or unintentional disengagement of the nozzle assembly from a needleless injection device. In one embodiment of the locking mechanism, a stud positioned on the nozzle assembly engages a recess in the injector to help to deter the nozzle assembly from rotating during firing of the injector. In another embodiment of the locking mechanism, a nib on the nozzle assembly engages a recess in the injector to deter the nozzle assembly from rotating during firing of the injector. A retaining element may be utilized within the injector to provide the recesses for engagement with the locking mechanisms.

Abstract: An apparatus and process for jetting molten solder in the form of balls directly onto all the metallized interconnects lands for a ball grid array package in one step with no solder paste required. Molten solder is jetted out of a grid of holes using a piston attached to a piezoelectric crystal. When voltage is applied to the crystal it expands forcing the piston to extrude a desired volume of solder through holes in the aperture plate. When the voltage is decreased the piston reverses motion creating an instability in the molten solder at the aperture plate surface and thereby forming spherical solder balls that fall onto a metallized substrate. The molten solder balls land on the substrate and form a metallurgical bond with the metallized lands. The size of the solder balls is determined by a combination of the size of the holes in the aperture plate, the duration of the piston pulse, and the displacement of the piston. The layout of the balls is dictated by the location of the hooks in the grid.

Abstract: Method and apparatus for controlling the exit velocity of solid/gas carbon dioxide spray cleaning systems. By increasing the pressure of liquid carbon dioxide in the supply line, typically in the range of 800-875 psi, to greater than 875 psi, preferably 2,000-5,000 psi and above, the velocity of the spray stream exiting the nozzle is increased enabling removal of contamination (oils, fingerprints, particles, graffiti, etc.) not removable with a spray stream using conventional carbon dioxide pressures. The apparatus includes the incorporation of a high-pressure pump in the liquid carbon dioxide supply line in combination with a nozzle having a first or inlet orifice smaller in diameter than the supply line and a second or exit orifice larger in diameter than the inlet orifice.

Abstract: The present invention relates to foam producing products useful for personal cleansing. These products comprise a foamable liquid composition and a foam-producing foam dispenser. These products provide a stable homogeneous foam and good lathering and cleansing characteristics. These products are very mild to the skin and are useful for moisturizing the skin and for delivering a wide variety of active ingredients to the skin.

Abstract: A dispensing device which includes a container for liquid to be dispensed, an outlet nozzle including a device to break-up a flow of liquid under pressure into a spray, a piston for forcing liquid out of the container under pressure and through the nozzle, and a drive device for moving the piston a predetermined distance to dispense a predetermined quantity of liquid from the container. The drive device includes a dose selector for selecting the predetermined amount of liquid and a plunger for moving the piston, movement of the dose selector determining subsequent movement of the plunger. The device is particularly suited to nasal administration of liquid.

Abstract: A suction apparatus seal for portable paint spray guns having a suction apparatus received via mating conical surfaces in a salient inlet port, the seal formed of resilient, low-density polyethylene and having a radially inwardly directed lip sized to seal around the suction apparatus and a cylindrical mediate section sized to seal around the salient inlet port and a radially outwardly flared flange to aid in installing the seal on the inlet port of the spray gun. The seal also provides positive engagement of the suction apparatus when it is initially loosely engaged with the paint inlet of the gun.

Abstract: A foam dispensing system for a foamable liquid has a means for producing a spray of droplets in which the spray of droplets has key parameters of: the number averaged mean diameter and the mean axial droplet velocity. The foam dispensing system also has a foaming nozzle connected to the means for producing a spray of droplets that is placed in fluid communication with the spray of droplets. The foaming nozzle has a screen which has a plurality of screen openings having a mesh range from 30 to 60 openings per linear inch. Key parameters of the screen are: the percent open area is from about 35% to 60% and the screen openings are larger than the number average mean diameter of the spray of droplets. When the mean axial droplet velocity is at least 8 m/s, the spray of droplets is transformed into a foamed spray as the droplets pass through the plurality of screen openings.

Abstract: A nozzle assembly is interconnected with the delivery passageway or conduit from a hand pump sprayer. The nozzle assembly has a first and second passageway, preferably conduits which are connected to the delivery passageway or conduit and splits the fluid preferably pan coating exiting from the delivery passageway or conduit into two streams. The cross sectional flow area of the first and second conduit is smaller than the cross sectional flow area of the delivery conduit so that the velocity of the pan coating increases upon entry into the first and second conduits located in the nozzle assembly. Each conduit has a fluid outlet to the atmosphere. The first and second conduits in combination with said fluid outlets define a discharge axis. The first fluid conduit discharge axis intersects the second fluid discharge axis at an impingement angle .beta. of from 10.degree. to 170.degree. preferably from 60.degree. to 140.degree.