Abstract: A pump for dispensing liquids includes a hollow cylindrical support body having an annular channel formed at a first axial end of the body and open towards the internal cavity of the body. A pumping member in the form of a resiliently-flexible, cup-shaped diaphragm has its cavity facing the annular channel. A lever is pivoted about a pin carried by the hollow cylindrical body and includes a first end that engages the cup-shaped diaphragm of the pumping member for collapsing the diaphragm when it is desired to dispense liquid. A tubular element extends through the cup-shaped diaphragm of the pumping member and guides the axial movement of the pumping member.

Abstract: The present invention is a system for dispensing a precise quantity of liquid. The liquid dispensing system is composed of a rigid first tube and a nozzle secured to the first tube. The first tube terminates at a mating surface and is aligned and immobilized by a support stand. The nozzle has a channel extending therethrough, a barb, a first extension extending from the barb to terminate at a mating surface, and a second extension extending from the barb to terminate at a tip. The mating surface of the nozzle makes a conforming fit with the mating surface of the first tube when in an engagement position thereof, whereby the nozzle and the first tube are stationary and aligned relative to each other. A flexible second tube, which is in communication with a liquid source, is connected to the barb of the nozzle.

Abstract: A fluid dispenser such as a soap dispenser or the like. The dispenser includes a sleeve and a pump rotatably disposed inside the sleeve. A swivel is substantially fixed to the pump and rotatable inside the sleeve. The dispenser is configured so that fluid is drawn from a reservoir, through the swivel and into the pump. From the pump, the fluid is dispensed through a spout to the user.

Abstract: An assembly (1) for packaging and dispensing a product includes a reservoir (20) containing a product, and an external casing (2) on which is mounted a pump. The external casing (2) being capable of receiving said reservoir (20) through an opening (4) made in the bottom of the casing. The casing (2) includes a fastener portion for interacting with a corresponding fastener portion of the reservoir so as to effect reversible fastening of the reservoir (20) in the external casing (2) and to maintain the communication of the pump (16) with the reservoir through an opening of the reservoir. According to the invention, the external casing (2) has, in the vicinity of its bottom, at least one cutout (33) capable of assisting the removal of the reservoir (20), in particular for the purpose of replacing the reservoir.

Abstract: A piston displacement condiment pump for pumping viscous fluids, especially condiments such as catsup, mustard, mayonnaise, relish, sauces and the like, is disclosed The pump is constructed mostly of stainless steel and includes an inflow chamber with a ball valve, an outflow chamber with a ball valve, and a spout. The pump includes an optional method for limiting the amount of condiment delivered with each stroke of the pump. The spout is held in place with a unique pin and slot arrangement, and by the unique position of the outflow chamber in relation to the cover. There is also a novel spring wire clip which restrains the ball valve in the outflow chamber.

Abstract: A spray bottle for maintaining and dispensing a non-ambient temperature fluid including an insulated container reducing heat transfer through the container surfaces and a hand powered spray mechanism attached to an opening at the top of the container. The spray mechanism attached to the container drawing fluid from the container with a pump through a straw which extends into the container. The pump expels the fluid received from the straw through an orifice and a diverging nozzle, thereby generating a spray output, the spray mechanism affixed to the opening.

Abstract: Improved sprayable roof coating systems which provide immediate waterproofing of a newly-sprayed latex-based ionic roof coating by applying to the upper surface of such roof coating an ionic catalyst having a pH opposed to the pH of such roof coating, whereby such upper surface of such roof coating coagulates immediately to form a thin waterproof surface layer on such roof coating and the bottom portions of such roof coating are permitted to coagulate and bond to the underlying roof normally. Also, latex-based sprayable roof coating systems permitting use in roof mastics of recycled rubber and spray equipment for such systems which do not clog up when air spraying such recycled-rubber-containing roof mastics.

Abstract: A system for disconnecting the pump mechanism of the fill system that allows for the removal of the pump mechanism or access to the internal components thereof without removing the supply and dispensing components from the fill system. The disconnect mechanism allows for a valve assembly to be separated from an inlet or outlet to the pump mechanism while the pump mechanism is supported by the mechanism. One disconnect mechanism includes a base, a lifting plate, a cam to move the lifting plate with respect to the base in order to separate the valve assembly from the pump mechanism. Another disconnect mechanism employs a pivot arm having a first end connected to the pump mechanism and a second end in fixed engagement with the valve assembly thereby allowing for the separation of the valve assembly from the pump mechanism.

Abstract: A device for delivering an aerosol, comprising: a casing member, a valve stem, and a diaphragm. The diaphragm is made of an ethylene-propylene-diene rubber ("EPDM") and is stable to dimensional change when exposed to 1,1,1,2-tetrafluoroethane or 1,1,1,2,3,3,3-heptafluoroethane.

Abstract: Apparatus for dispensing liquid soap or other liquid from either a bag-in-box liquid container or from a bottle of liquid includes a housing. A dispenser actuator is movably mounted on the housing. A first module is provided for insertion into the interior of the housing, the first module including a bottle support and a liquid pump for pumping liquid from the bottle. A second module can also be inserted into the housing interior, the second module including a bag-in-box container support. The modules are selectively alternatively mountable within the housing interior and each of the modules is cooperable with the dispenser actuator when in the housing interior to dispense liquid from the housing interior to a location exterior of the housing responsive to movement of the dispenser actuator relative to the housing.

Abstract: A toy water gun comprises a main housing including provisions for holding a reservoir of water, a nozzle for receiving and discharging water pumped from the reservoir, and a pump housing positioned substantially outside the main housing. The pump housing contains a pump for pumping water from the reservoir to the nozzle. The pump is operated by an actuator which comprises a rotatable driveshaft extending from the main housing to the pump housing, a transmission interconnecting the pump and the driveshaft for operating the pump in response to rotation of the driveshaft, and a drive carried by the main housing and interconnected with the driveshaft for rotating the driveshaft. The drive may comprise a manually operable hand crank rotatably mounted outside the main housing.

Abstract: A measured amount of a first fluid is metered into a measured amount of a second fluid by a method where a fluid is confined within a first chamber and a plunger of predetermined volume is mechanically moved into the chamber to displace a first measured amount of fluid after which a second plunger is mechanically moved into a defined volume of the chamber to displace a second volume of fluid therefrom different from the first volume whereupon the first and second volumes can be mixed in predetermined proportions.

Abstract: An improved apparatus and method for self-service dispensing of purified water with enhanced efficiency and safety. Personal injury and property damage caused by inadvertent impact of the movable dispensing spout is prevented by use of an adjustable slip clutch connected to the spout drive motor. Additionally, intermittent delivery of small quantities of purified water i.e. "topping off", is achieved without a motorized pump through manual tapping of an accumulator tank of variable storage capacity, containing a pressurized internal bladder. When emptied, the accumulator tank activates a motorized pump to provide for refilling the tank.

Abstract: Modular positive displacement apparatus for dispensing precise quantities of a fluid product including a dispensing unit and an actuator unit. A housing of the dispensing unit defines a reservoir which contains the product under pressure. Within the housing is a ball-type closure mechanism. A deformable diaphragm isolates the reservoir from the mechanism which actuates the valve to prevent undesirable entry of the product. The diaphragm may be of a number of shapes, depending upon the length of the stroke desired for the ball mechanism. The dispensing unit is readily removable from the actuator unit and can be readily replaced with another dispensing unit. Different nozzle sizes can also be accommodated. The extent of the closure opening is adjustable in discrete increments.

Abstract: The present invention relates to a liquid dispensing device for the downward application of a spray. The device generally comprises a liquid storage bottle defining a top surface and a plurality of side surfaces. Fluidly connected to the top surface of the storage bottle is a spray applicator defining a first portion threadably attached to and extending vertically upwardly from the top surface of the bottle and a second portion extending laterally from the first portion. The spray applicator further includes an outlet nozzle and trigger portion disposed on a distal end of the second portion in a manner wherein the outlet nozzle directs the spray in a downward direction upon actuation of the trigger.

Abstract: A submerged pump manifold for a liquid fuel dispensing system. The pump manifold includes a chamber for housing a filter cartridge and a cover attached to the top of the chamber. An interlock device is removably attached to the cover such that the device must be removed upon removing the cover. The interlock device is attached to a plug-type connection on the pump manifold so that as the interlock device is rotated away from the cover, the plug-type connection is moved from its plugged-in position to its unplugged position, thereby electrically disabling the submerged pump while the cover is removed.

Abstract: A dispenser for liquid germicide includes a container for germicide and an outlet, a metering device for metering a given amount of germicide to be dispensed from the outlet, a spout communicating with the metering device for dispensing metered germicide, and a timing arrangement coupled to the metering device for timed control of the frequency of dispensing the metered amount of germicide.

Abstract: A dispenser adapted to be connected to a container includes a first bore having an outlet for dispensing fluent material, a second bore containing a piston connected to a trigger for pumping the fluent material, and a third bore containing a vent opening and a piston for sealing the vent opening when the trigger is in the non-pumping position. A valve, spinner and springs in the first bore are unitarily formed from a plastic material.

Abstract: Modular apparatus for dispensing precise quantities of a fluid product comprising a dispensing unit, an actuator unit and mutually engageable locking means on each. A housing of the dispensing unit defines a reservoir which contains the fluid product to be dispensed under pressure. Within the housing is a ball-type valve mechanism. A deformable diaphragm isolates the reservoir from the valve to prevent (1) the undesirable entry of the fluid product into the actuator unit on operation and (2) the release of fluid product on disconnection of the modular unit. The diaphragm may be of a number of shapes, depending upon the operation of the dispensing unit. The dispensing unit is readily removable from the actuator unit and can be readily replace with another dispensing unit. The modular apparatus may also include readily exchangeable nozzles of various sizes.

Abstract: A dosing device for filling liquid into containers comprises a filler body and a metering device. The metering device communicates with the interior of a rotary valve through an end cover of the valve housing, the valve including a valve seat and a check valve closure member spring-biased towards the seat. The valve includes first, second and third rotary ports and first and second fixed ports. Downstream of the second fixed port is an anti-drip suction-producing device of a piston-and-cylinder form whereof the stroke of the piston is adjustable. Upstream of the first fixed port is a throttling valve lowerable into an operative position downstream of inlet holes from a liquid-containing tank.

Abstract: A dispensing pump for dispensing product from a container serves as a container closure. The pump has a cylinder having an inner shell open at its rear end and closed at a forward end and an outer shell surrounding the inner shell and defining a cavity therebetween. A reciprocally mounted piston is in the inner shell and defines a pump chamber therewith. Inlet port means includes a passage in the outer shell for communication the container interior with the pump chamber during the suction stroke to permit product to pass through the inlet port into the cavity and then into the pump chamber. A vent replaces product removed from the container interior into the pump chamber with air. An outlet valve is provided for opening the outlet port during the compression stroke and for closing the outlet port during the suction stroke; and an inlet valve is provided for opening the inlet port during the suction stroke and for closing the inlet port during the compression stroke.

Abstract: A metering device for feeding liquids, in particular chemical components for the production of polyurethane mixtures in a high-pressure mixing head.The device comprises at least a first and a second metering unit of the type having a cylindrical chamber in which a plunger slides to displace a pre-established volume of liquid during its stroke and to feed it to the mixing head. The plunger is connected to a worm screw control device, in which the worm screw control devices of the metering units are interconnected by a mechanical drive actuated by a driving motor; one or more revolution variators can be disposed in the mechanical interconnecting transmission in order to vary the ratios between the speeds of the plungers and, therefore, the quantities metered in relation to the stochiometric ratios between the liquids to be mixed.

Abstract: An apparatus including dispensers connected to a hopper enable discrete portions of filler material to be introduced into individual containers as they pass through a food canning operation. The dispensers are connected to a hopper and are operable to dispense discrete amounts of filler material that are stored in the hopper. The amount of filler material to be introduced into the containers brings a container weight to within desired tolerances of a selected target weight. The containers are provided to the dispensers by a timing screw that extends adjacent to a conveyor that conveys the containers. The timing screw is synchronized with a transfer gear that directs each container onto a platform below the dispensers.

Abstract: A dispenser of products having a varying degree of viscosity includes a longitudinal and hollow body of circular cross-section, upon which there is mounted a funnel. The hollow body contains in a rear part thereof a piston which is arranged to push forward an assembly of movable elements including a cross-piece, a piston, a sleeve and a resilient split ring, so as to expel a product dose through a cone formed with holes and loosely lined in the interior thereof with an elastic membrane. The movable elements are returned to their initial position by the force of a spring. The cone is extended by a pouring spout, which in turn carries a tube provided with a distributor cone.

Abstract: An apparatus for liquefying a thermoplastic plastic, in particular an adhesive on the basis of polyurethane, comprises a supply container for the thermoplastic plastic, a heating means for heating the thermoplastic plastic disposed in the supply container and a collecting trough for the liquefied plastic disposed beneath the supply container, from which trough the plastic is supplied to the further processing. The heatable supply container includes an upper portion for receiving a downwardly open transport container for the thermoplastic plastic and a lower portion serving as buffer volume. The heated plastic flows out of the transport container downwardly through the buffer volume into the collecting trough.

Abstract: An aseptic food handling system for filling containers with presterilized food. A first cylinder is provided having an inlet and an outlet, and located so food products to be packaged are received in the inlet. The cylinder contains a piston operable from first position to receive product through the inlet to a second position to emit the food product from the outlet. At least one sterilizing fluid passageway is provided in the cylinder to selectively admit sterilizing fluid to the cylinder to expose the internal surfaces of the cylinder and the poston to the sterilizing fluid where the cylinder can be operated by an adjustable two position motive cylinder. A second dispensing cylinder can also be provided to receive the food product from the first cylinder and direct it to a food container.

Abstract: A pump for delivering precisely metered discrete quantities of solvent containing suspended solids in rapid cycles. The pump ejects the solvent from a cylinder in amounts proportional to discrete longitudinal movement of a piston inside the cylinder and eliminates internal valves that may become clogged.

Abstract: Apparatus and method for preparing hot food products in portions of predetermined size by rehydrating a dehydrated food product to provide a dough that can be shaped and heated. The apparatus includes means for storing bags of dehydrated product and for opening individual bags as needed to maintain a desired level of dehydrated product in a hopper. Rehydration means are provided, including a metering chamber to meter a portion of the dehydrated food product, and a rehydration head to uniformly wet the dehydrated food product to form a coherent dough. The dough is passed through a forming means to form it into predetermined pieces that are extruded from a forming chamber, and a wire knife passes linearly across the forming chamber to separate the extruded product therefrom. A product transfer conveyor is provided to convey the shaped dough pieces to a fryer vessel in which heated frying oil is provided.

Abstract: A piston metering apparatus for the metering of the components of a reaction injection molding machine comprising a metering cylinder (2) the cylinder space of which is surrounded by a cylinder wall, a metering piston (10) sealed in relation to the cylinder wall by means of a sealing unit, a cylinder base (3), component inlet (4) and component outlet lines (5) connected with the metering cylinder (2), and a metering piston (10) coupled with the hydraulic piston rod of a hydraulic drive unit (12). In order to simplify the inspection and maintenance of such a piston metering apparatus, the metering piston (10) is in the form of a plunger piston and the sealing unit is contained in a sealing cartridge (9) releasably fastened to the upper edge of the metering cylinder (2).

Abstract: A pump suction tube support is mounted at the bottom of a fluid vessel such as a barrel for supporting the tube and providing stability to the pump which is mounted on the top of the barrel. The support includes a hollow cylindrical support member for receiving the suction tube and an enlarged base secured to the bottom wall of the vessel. The lower end of the support member has a series of spaced apart feet secured to the base member and the spaces between the feet provide communication for the fluid to flow into the bottom of the support member. The support member may include a diametrically extending slot for receiving a pin in the tube to prevent rotation of the tube.

Abstract: The device is affixable to a unit such as a mixer tap or a tap outlet which delivers water to wash basins or sinks, and comprises at least one delivery outlet for liquid soap. The outlet has affixed thereto, or integrally formed therewith a substantially part-annular collar which is insertable between the base of the body of the unit which delivers water and the plane on or against which the unit is fixed. The collar is secured in such location by a threaded connection utilized for fixing the unit to the plane.

Abstract: The invention includes a concentrator that pressurizes and provides an enriched liquid suspension to a separator. In the concentrator, the incoming liquid suspension is driven by a diaphragm pump into a funnel-shaped accumulator that is closed at its top. Some of the heavier particles go directly to the bottom of the accumulator, but the lighter particles and the remainder of the suspension are forced to flow through tubes that extend from the top of the accumulator upward on a helical path. Further particulate matter settles out in the helical passages and migrates to the bottom of the accumulator. From the accumulator, the concentrated suspension is fed under pressure to a separator that includes an inclined chamber that is completely filled with liquid. A stream of wash water is directed from the lower rear end of the separator towards the upper front end of the separator.

Abstract: Portable liquid measuring and dispensing device comprising a main reservoir for containing oil and to which a chamber is connected for metering a predetermined quantity of oil, this chamber being solid with the main reservoir and having a visual indicator showing the quantity of liquid contained in the chamber. The device includes a liquid moving assembly solid with the reservoir and the chamber, this assembly being formed of a rotary pump brought into rotation by a D.C. motor connected to a power source including a polarity inverter switch having a pair of buttons, each actuatable to cause rotation of the pump in one of its two directions of rotation.

Abstract: Improvement to devices for measuring the quantity of products for canning comprising a quantity-measuring chamber which is substantially vertical and mounted on a support rotating about an axis substantially parallel to the axis of the chamber, the latter consisting of a tubular enclosure inside which slides a piston and having its lower part connected via a supply conduit, to a tank containing the product for canning and via a delivery conduit to a vertical cylindrical filling nozzle, in which slides a secondary piston, the delivery conduit issuing into the nozzle through a lateral opening entirely situated above the orifice by which the conduit communicates with the chamber. A controlled valve opens or closes a passage between at least the supply conduit and the measuring chamber. The delivery conduit is entirely situated inside the cylinder described by the axis of the measuring chamber during the rotation of the support. The invention finds an application in canning installations.

Abstract: A hand-held measuring and dispensing device for liquids employing a novel adjustable cam mounted inside of the device which limits the movement of a plunger to control the amount of liquid withdrawn from a reservoir on the device upon one movement of the plunger and discharges a like measured amount from the device upon another movement of the plunger.

Abstract: An apparatus and method for dispensing individual orders of a hot food product. The apparatus is designed to use a food product provided in a dehydrated form, such food product being readily reconstituted by the addition of a liquid. The apparatus includes a mechanism for delivering an amount of dehydrated food product corresponding to the size of an individual order, a chamber and system for rehydrating the product, a mechanism for cutting rehydrated product forced out of the chamber, a cooking device for the severed product, and a conveyor for deliverying cooked product. The invention further provides a lever that combines a closure for a carrier of dehydrated product with a shower head for furnishing water for reconstituting the product, and provides a device for cooking and for conveying rehydrated product.

Abstract: A wax cylinder for a wax spraying machine is disclosed. The wax cylinder includes a housing, an ejection cylinder having a chamber mounted in the housing. An elongated piston is slidably mounted in the chamber and includes a pressure face for pressurizing and urging wax in the chamber out through an ejection opening. The chamber is maintained in constant fluid communication with a feed line for feeding wax into the chamber throughout the stroke of the piston. A check valve is utilized to prevent back flow of wax through the feed line. Air is prevented from flowing into the chamber during the return stroke of the piston.

Abstract: A reagent delivery system having a reagent reservoir adapted to permit mechanical stirring of the reagent therein and removal of the reagent from the bottom of the reservoir, and a compact heat exchange unit through which the reagent flows to facilitate rapid heating of the reagent immediately prior to its use in a testing apparatus.

Abstract: The invention relates to a device for the preparation and injection of sealing cement for bolts in propping gallery roofs and walls in mines, quarries or tunnels. The device of the invention comprises a flexible pouch contained in a rigid housing which is connected to a liquid supply system and an injection nozzle that is double-walled along its entire length, the inner nozzle receiving pulverulent cement from the flexible pouch and the outer ring of the nozzle being supplied with water. Thus, the cement and water are separately introduced into a bore for the bolts and the mixing process takes place in the bore.

Abstract: A beverage dispenser pumping system having a mass reservoir for receiving a plurality of beverage-containing bottles in such manner that all of the bottles feed a common line but no intercommunication of beverages among the bottles is possible. The mass reservoir feeds a pressurized pump which is operative for driving an expandable and contractable dispensing line. A dispensing valve is located near the end of the dispensing line for initiating and terminating the flow of beverage from the pump, through the line and out of a dispensing head. A one-way valve interposed within the dispensing line and closely adjacent the pump retains liquid pressure within the line and inhibits any bleeding of beverage from the line back into the pump when dispensing has terminated. A hydraulic accumulator is presented between the dispensing valve and the dispensing head to withdraw beverage from the end of the dispensing line when the dispensing valve shuts off so as to prohibit extraneous drippage from the line.

Abstract: A herbicide spray system comprising a rotary lawn spreader in combination with a spray system comprising a fluid reservoir, pumping means and means for coupling said pumping means to said rotary spreader. The fluid reservoir is removable from the spreader load carrier and requires no substantial modification thereof to adapt the pumping means to be driven by the spreader.

Abstract: A beverage dispenser pumping system having a mass reservoir for receiving a plurality of beverage-containing bottles in such manner that all of the bottles feed a common line but no intercommunication of beverages among the bottles is possible. The mass reservoir feeds a pessurized pump which is operative for driving an expandable and contractable dispensing line. A dispensing valve is located near the end of the dispensing line for initiating and terminating the flow of beverage from the pump, through the line and out of a dispensing head. A one-way valve interposed within the dispensing line and closely adjacent the pump retains liquid pressure within the line and inhibits any bleeding of beverage from the line back into the pump when dispensing has terminated. A hydraulic accumulator is presented between the dispensing valve and the dispensing head to withdraw beverage from the end of the dispensing line when the dispensing valve shuts off so as to prohibit extraneous drippage from the line.

Abstract: A compressed-air operated dispenser for continuously dispensing a substance enclosed in a container, and in particular a viscous or paste-like substance, comprising an outlet passage extending from container to an outlet; a valve which normally closes the passage; a compressed-air operated piston arranged to exert pressure on a substance in the passage and to open the valve; and a trigger means for initiating the supply of compressed air for the purpose of operating said piston.In accordance with the invention there is provided a second valve arranged to move the piston to a starting position in which a pressure-actuating chamber is closed on one side of the piston with the exception of a passage through which compressed air can be forced into the chamber to cause the piston to move to a first terminal position. In this position the substance is subjected to pressure and the valve is opened and the piston ceases to act on the second valve.

Abstract: A dispensing apparatus for fluid media is disclosed which comprises a dosing piston movably guided within a dosing cylinder and a subsequent rotary valve, wherein the cleaning and/or sterilization of the parts coming into contact with the filling product can be performed without removing these parts. By means of a particular disposition and embodiment of the dosing piston, the rotary valve and the dosing cylinder, it is possible to make the dosing piston and rotary valve accessible rapidly and simply.

Abstract: A dispensing device for use in dispensing measured quantities of fluent materials through a plurality of resiliently compressible dispensing tubes, the device comprising a housing having a cartridge zone for receiving a cartridge having a plurality of dispensing tubes associated therewith; collapsing means for collapsing, in compression zones, dispensing tubes when located in the cartridge zone by means of a cartridge; and displacement means for displacing the collapsing means to advance the compression zones along compression paths to dispense fluent materials through such dispensing tubes.A dispensing kit comprising a dispensing device as described, a cartridge removably located in the cartridge zone, and a plurality of resiliently compressible dispensing tubes located in the cartridge zone by means of the cartridge.

Abstract: A multiple dosing device for the uniform dosing of liquids includes a plurality of dosing elements each including a dosing plunger; end connecting plates; sealing elements, interposed between the faces of adjacent dosing elements and between the faces of a dosing element and a connecting plate; and tie rods holding the dosing plates, end connecting plates and sealing elements together. The dosing plunger movement is controlled in one direction by a fluid pressure and in the opposite direction by the liquid which is under pressure. Diaphragm valves are formed on both faces of the dosing element through cooperation among the dosing element, an interposed sealing element, and a connecting plate.

Abstract: This invention relates to the liquid dispensing of toxic and noxious liquids in such a way that accidental contact with the operator is minimized. This dispenser comprises a sealed cylinder, a piston snuggly fitting inside the cylinder, a pivoted handle, which is limited in its movement by an adjustable screw and a buffer, moves the piston relative to the cylinder, an inlet for feeding liquid into the cylinder, a nozzle at one end of the cylinder for dispensing the liquid from the cylinder, and a drainage outlet at the handle end of the cylinder. Various parts of the dispenser are connected by screw fittings so as to aid in the dispenser's assembly and disassembly.

Abstract: A charge forming and depositing machine particularly for sticky semi-liquid material including a rocking valve having sharp edges disposed between a supply hopper and a charge-measuring expansible chamber, a charge receiving cylinder having a port communicating with the chamber and controlled by a delivery piston in the cylinder, and the delivery piston being arranged to clear from the cylinder, to carry it beyond the end of the cylinder and into contact with a receiving surface, and such delivery piston being provided with air blast means to release the measured charge from the lower end of the piston. The invention contemplates that the semi-liquid material may have nuts or the like solids mixed therein.

Abstract: A toy spray painting system which includes a hand-held manually powered spray gun along with an easel for holding a substrate such as paper to receive a paint spray from the spray gun. The hand-held spray gun includes a frame having a pistol-grip handle with a trigger for one hand operation. Squeezing of the trigger will operate a member to issue air under pressure; the member could adopt the form of, for example, an expandable and contractable bellows which is operable by squeezing the trigger. Upon squeezing of the trigger, air under pressure is ejected through an orifice in a spray head of the spray gun to create an issued air stream. The issued air stream passes over a paint outlet defined by an opening in the upper end of an upright tube which extends down into a container of liquid paint. The paint container is also held by the frame. The spray gun operates in the manner of a liquid ejector so that a portion of the liquid paint is atomized and entrained in and carried by the stream to the substrate.