Abstract: A handy fluid tube includes a tube having a top end and a bottom end, a first fluid, for example, medical fluid, alcohol or cosmetic fluid contained in the tube, a second fluid with high viscosity and high adhesive contained in the tube and forming a floating stopper to seal the bottom end of the tube, and a sealing cap fastened to the tube and movable relative to the tube between a first position to seal the top end of the tube for causing the second fluid to seal the bottom end of the tube and a second position to open the top end for letting the atmospheric pressure enter the tube.

Abstract: A beverage storage apparatus including an outer container housing an internal flexible and collapsible bladder serving to hold the beverage and a means to regulate the pressure of gas in a head space between the outer container and the internal bladder. The apparatus can further dispense fluid such as beverages whereupon the bladder is under pressure to assist in dispensing the fluid and by use of an appropriate gas maintain the composition of the beverage.

Abstract: The invention concerns a device (1) for storing and metering a powder (3) and mixing said powder with a diluent to prepare a food product, the device being able to be connected to a tank containing the diluent and to a source of air, the device comprising: —a multidose container (2) to form a reserve of powder (3), —a powder dosing system (4), —a powder duct (5) integrated in an air chamber (6) configured to carry air around the powder duct outlet, —said powder duct outlet (5) emerging in a mixing chamber (7) comprising a diluent inlet (8) and a food product outlet (9), —the whole forming a single piece disposable device.

Abstract: A fountain-style carbonated soft drink dispenser includes a housing adapted to attach to a beverage container, an actuator for selectively opening a fluid conduit, and one or more long tubes that vary a pressure drop across the dispensing assembly and convey fluid. The resistance through the tube(s) is decreased as the pressure within the container decreases so as to maintain a substantially constant flow rate throughout dispensing.

Abstract: The present invention relates to a system for conducting the identification and quantification of micro-organisms, e.g., bacteria in biological samples. More particularly, the invention relates to a system comprising a cooling, heating and fan arrangement for maintaining a predetermined optimum temperature of the samples during testing; a visual, circumferential and axial alignment system for aligning the samples within the carousel; a transfer system for transferring the samples from the carousel to the centrifuge; a balancing system of minimizing the rotational vibrations of the centrifuge; a safety system and anti-tipping design for the sample containing system; liquid dispensing arms for dispensing the buffered saline solution; and discharge ports for discharging and disposing of the liquid removed from the samples to a location external of the system.

Abstract: Fluid discharge head having a discharge nozzle (5) which has a discharge opening (6) in which an inner sleeve (7) is arranged, which has a medium duct (8) and holds a spring-loaded valve body (10) automatically closing the discharge opening (6), the valve body (10) being formed as a cylindrical piston, which can be displaced axially in a cylinder chamber (12) formed by the inner sleeve (7), an upper (14) and a lower valve seat (15) being provided for the piston ends (16, 17), and the valve body (10) having an intermediate valve plate (18), which forms a chamber bottom of a pressure chamber (19) connected to the medium duct (8), and, in order to open the upper valve seat (14), a medium discharge pressure which is higher than a spring force holding the valve body (10) closed can be set in the pressure chamber.

Abstract: A pressure control device (8) for medium-containing containers (2) such as liquid or gas containers, which pressure control device comprises a pressure control chamber (25) with at least one movable wall part (22) for operating a mechanism for opening and/or closing a gas supply opening (27) of a gas holder, while a scavenger (31) is accommodated in the pressure control chamber. Preferably, the pressure control device is stored at atmospheric conditions before the beverage and the pressure control device are brought into contact.

Abstract: A tapping apparatus 1 for beverage 7, provided with a beverage holder 2 and a pressure regulating device 9, the pressure regulating device 9 comprising a first compartment 11 and a second compartment 12, wherein the first compartment 11 contains a first substance 23 and the second compartment 12 a second substance, between the first and the second compartment at least a part of a dosing device 13 is provided and wherein at least one of the first and second compartment is in communication with an inner space 6 of the beverage holder 2. The first and second component can react with each other while forming a gas, in particular C02 gas which dissolves in the beverage 7 and pressurises the beverage holder 2.

Abstract: A sprayer has a sprayer outlet and a pressurizable reservoir adapted to contain a fluid. The reservoir has an air-pressure outlet and a reservoir outlet, the reservoir outlet being in fluid connection with the sprayer outlet. Detachable, pressurizable tanks are adapted to contain a chemical, each tank having a chemical outlet and an air-pressure inlet. Each air-pressure inlet is in fluid connection with the air-pressure outlet of the reservoir for equalizing air pressure between the reservoir and each tank. A switch is adjustable between a plurality of settings for causing at least one of the chemical outlets to be in fluid connection with the sprayer outlet. A ratio valve is provided for selecting a fluid flow rate out of the selected outlet. Fluids flowing into the sprayer outlet from the outlets are mixed together prior to discharge from the sprayer outlet.

Abstract: An apparatus for dispensing a beverage may include separate pressure regulators to independently control pressure at a beverage source and also at a beverage pump. The pump may function to drive/draw a beverage (such as a beer) from a source to a dispensing station. In operation, the apparatus may be configured to transmit a pressurized gas from a source through one regulator and then to the beverage source, with the regulator functioning to control the pressure at the beverage source. The apparatus may also be configured to transmit gas from the source, through the other regulator, and then to the pump, with that other regulator functioning to maintain pressure in the system as the beverage travels from the pump to the dispensing station. This dual pressure control allows a user to maintain a beverage at a consistent pressure when traveling from the beverage source to a dispensing station.

Abstract: A method for dosed dispensing of a pressurized liquid is presented. In exemplary embodiments of the present invention, the method includes dispensing a liquid in a container via a dispensing opening into a dispensing space, where a difference in pressure between the container and the dispensing space is equalized in stages by using an intermediate dosing chamber. In a first stage the pressure is equalized between the container and the dosing chamber, then a quantity of the liquid is dispensed from the container into the dosing chamber, maintaining the pressure equivalence between the container and the dosing chamber by pressure communication between them. Next, the dosing chamber is isolated both as to gaseous and liquid connection from the container.

Abstract: A pressure-actuated disinfectant dispenser and method for treating wastewater in an aerobic treatment system. The dispenser includes a reservoir for holding a disinfectant supply and a dosage container for holding a dosage of disinfectant. The container is positioned within the reservoir and has a flow-regulated path for fluid communication from the reservoir into the container. The invention also includes actuation means for increasing the pressure within the dosage container to force disinfectant therefrom, and a discharge assembly for discharging fluid from the dosage container into said storage tank.

Abstract: A method of stretch-blow-moulding a beverage container for containing a carbonized beverage which method comprises providing a preform (11) having a neck part and a body part. The preform includes an inner layer (24) of a first polymeric composition, an outer layer (12) of a second polymeric composition, and an intermediate layer (22) of a third polymeric composition. The third polymeric composition has adhesive surface properties relative to the first and second polymeric compositions, and the adhesive surface properties are permanently degraded by exposure to irradiation of a certain wavelength or certain wavelengths and intensity. The method further comprises mounting the preform onto a stretch-blow-moulding device and blow moulding the preform into the beverage container by irradiating the body part with radiation at least including the certain wavelength or certain wavelengths and intensity while protecting the neck part from any substantial radiation.

Abstract: A one-piece, steel, aerosol can formed by a draw and iron process with varying wall thicknesses, including a main body of a first wall thickness, a cone area above of a greater second wall thickness and a curl area above of a third thickness smaller than the second thickness and adapted to fit a standard aerosol valve. A process for shaping the can with the respective wall thickness sections. The process includes necking the can near the top end. The bottom of the can may be supported to maintain a shape during necking. The can interior may be pressurized during necking to resist permanent deformation of the can during necking.

Abstract: The invention relates to a pressurized can comprising a body, a valve arranged in a dome, a base (16), an inner shell (1) with detachable, push-off type cover (8) arranged on the base (16) and a movable shaft (7) arranged in a fixing element (2) and extending through the base (16) into the inner shell (1) and serving as release element for the inner shell with the inner shell (1) being connected to the base (16) via the fixing element (2), moreover comprising a piston element (3) movable in longitudinal direction of the inner shell (1) and being arranged inside the inner shell (1), the piston element yielding a sealing effect at the inner shell's (1) inner wall and interacting with the shaft (7) in such a manner that when the shaft (7) is moved into the inner shell (1) the piston element (3) causes a liquid present inside the inner shell (1) to be pressurized so that the cover (8) is forced off.

Abstract: A preservation and dispensing apparatus integrated within a refrigerator door includes a wine preservation and dispensing apparatus and a door of a refrigerator within which the wine preservation and dispensing apparatus is integrated. The wine preservation and dispensing apparatus includes a housing framework composed of a rigid frame secured to the refrigerator door along an opening cut into the door.

Abstract: A liquid discharging apparatus in which a liquid is flowed in one direction in a circulation flow path at the time of non-discharge, and the flow path is refilled with liquid from both directions at the time of discharge. The liquid discharging apparatus includes a pressure adjustment unit that satisfies a condition “Pu>Pd, Pn>?Pd”, where Pu denotes a fluid pressure at a predetermined position on the upstream side of a discharge port, Pd denotes a fluid pressure at a predetermined position on the downstream side thereof, and Pn denotes a pressure equivalent to a capillary force of the discharge port for absorbing the liquid from the flow path into the discharge port immediately after the liquid has been discharged therefrom.

Abstract: A liquid dispenser includes a liquid supply channel, a liquid dispensing channel including an outlet opening, and a liquid return channel. A liquid supply provides liquid under pressure from the liquid supply channel through the liquid dispensing channel to the liquid return channel. A diverter member is selectively actuatable to divert a portion of the liquid toward outlet opening of the liquid dispensing channel. A surface is positioned downstream relative to the outlet opening of the liquid dispensing channel and leads to atmosphere. A portion of the surface, when compared to another portion of the surface, includes structure that reduces viscous drag on the portion of the liquid that has been diverted by the diverter member such that drops formed from consecutive portions of the liquid that have been diverted by the diverter member travel with consistent drop characteristics.

Abstract: Ready-to-use pesticide compositions that contain a solvent, a pesticide dissolved in the solvent, a particulate attractant and/or cellulose suspended throughout the solvent and a thickening agent. Applicators and methods for treating pests such as arthropods by dispensing the composition are also provided.

Abstract: A system for dispensing texture material onto a target surface in a desired pattern that substantially matches an existing pattern on the target surface comprising a main container, an outlet assembly, a secondary container, a conduit, and a valve. The main container stores texture material. The outlet assembly defines an outlet opening a cross-sectional area of which is alterable. The secondary container stores pressurized propellant material. The conduit is operatively connected between the main container and the secondary container. The valve is arranged to allow control of fluid between the main container and the secondary container. The outlet assembly is configured such that the cross-sectional area of the outlet opening corresponds to the desired pattern. The valve is operated such that the texture material is forced out of the main container through the outlet opening defined by the outlet assembly and deposited on the target surface in the desired texture pattern.

Abstract: Fluid mixture which comprises at least one low-boiling liquid, and which during use generates a low vapour pressure, said mixture being dispensable by a manually operated dispensing pump mounted on a hermetically sealed container of this mixture. The low vapour pressure developed by the low-boiling liquid is such as to prevent a vacuum being created in the container interior when the mixture is dispensed by the pump, in order to allow correct pump operation.

Abstract: Dispersion comprising hydrophobic pyrogenically prepared silicon dioxide, alcohol and at least one additive which promotes the dispersion and, as additional component, at least one insecticide and/or acaricide. The dispersion can be canned in spray cans and used as insecticide.

Abstract: A tapping rod (2) with a beverage valve (16), a gas valve (14) cooperating therewith, and a collar (24), while in or on the collar a connecting device (26) is fitted, which connecting device comprises a pressure body (30) for opening the beverage valve (16) and the gas valve (14), wherein: the pressure body (30) comprise or defines at least one first beverage channel (50) for bringing, with the beverage valve in open position, the inner space of a keg, in particular a riser of the taping rod, into fluid communication with a beverage dispensing line; the pressure body comprises or defines at least one gas channel (48) for bringing, with the gas valve in open position, the inner space of the keg into fluid communication with a gas supply line.

Abstract: An animal deterrent apparatus and method is disclosed to help prevent an attack by an animal, the apparatus includes a base extending to a surrounding sidewall that terminates in an aperture, the base and sidewall defining an interior. The apparatus also includes a valve disposed within the aperture, the valve having a selected open state and a normally closed state. Further the apparatus includes a nozzle adjacent to the valve being in fluid communication with the valve, when the valve is in the open state fluid communication is from the interior to the environment and when the valve is closed state fluid communication is precluded from the interior to the environment. Further, a composition is disposed within the interior that includes a capsicum element, a heavy solvent, an emulsifier, and a light propellant, operationally the composition is dispersed from the interior to the environment being directed at the animal.

Abstract: A disinfecting solution package comprising a dispensing container having a body with a closed bottom and an open upper end forming a neck and a dispensing valve mounted in the neck. A flexible pouch is mounted within the container and has an open upper end that is sealed to the dispensing valve. A disinfecting composition containing a disinfecting agent is stored in the flexible pouch. A pressurized gas is between the container body and the flexible pouch to pressurize the disinfecting solution within the flexible pouch.

Abstract: A container, provided with an inner space (4) and a dispensing valve (3), wherein in the inner space a gas-containing beverage such as beer (B) is included, wherein a pressure control unit (6) is arranged for automatically controlling pressure in the inner space, wherein around the dispensing valve (3) first coupling means (10) extend, furthermore comprising a dispensing line (13) which at an end is provided with a coupling element (12) which is provided with second coupling means (14) for cooperation with the first coupling means, wherein the dispensing valve is a female valve, and the coupling element is provided with a largely hollow stem (15) with an end (28) and at least one opening (23), wherein the dispensing line links up with the stem opposite said end, such that in coupled condition of the coupling means the stem extends against or into the valve and has brought the valve into and keeps it in an opened position, such that beverage can flow via the valve and said at least one opening into the dispens

Abstract: An aerosol texturing system for applying a layer of texture material on an uncoated portion of a substrate substantially to match a coated portion of the substrate, comprises an aerosol assembly, texture material, and propellant material. The aerosol assembly defines a product chamber and is selectively operable in a first mode in which the product chamber is sealed and in a second mode in which fluid is allowed to flow out of the product chamber along a dispensing passageway. The texture material and propellant material are disposed within the product chamber. The texture material has a base portion and a particulate portion containing at least one particulate material. When the aerosol assembly is in the second mode, the propellant material is adapted to force the texture material out of the aerosol assembly along the dispensing passageway and onto the uncoated portion of the substrate.

Abstract: An assembly for dispensing a beverage from a beverage container includes a cooling chamber containing a pressure chamber configured to accommodate the container and having a lid with a lid opening. The assembly further includes a dispensing tower and a dispensing line channel extending between a lower opening in the cooling chamber and an upper end in the tower. The lid opening is alignable with the lower opening of the channel so that the lid opening provides a guiding element for the passage of a dispensing line between the pressure chamber and the tower through the channel. A method of guiding the dispensing line includes opening the lid of the pressure chamber; aligning the lid opening with the lower opening of the channel: and guiding the dispensing line so that it extends through the lid opening and the channel.

Abstract: The present invention relates to a self-emptying beverage container containing a beverage that can be emptied in one go without using gravity or an external pressure source at the time the beverage is being delivered. The present invention further relates to a beverage carousel dispensing device for tapping multiple beverage containers, especially multiple self-emptying beverage containers.

Abstract: An improved container and closure. Some embodiments are directed toward a pressurized container adapted to be utilized is any orientation. In one particular embodiment, a bladder separates a dispensable fluid in the container from a pressurizing fluid. Movement of the bladder via force from the pressuring fluid keeping the dispensable fluid in fluid communication with an outlet of the container regardless of orientation of the container. Some embodiments provide an improved sealing arrangement for a pressurized container and closure, wherein a bladder is utilized as a seal between the container and the closure.

Abstract: A machine controlled by a computer for depositing a liquefied electronically-interactive material on a sheet or support card includes a base (1) to support a mobile bed (2) which is moved longitudinally (Y) by a worm screw (20) whose movement is controlled by a computer and which supports and fixes the support sheet or card “S” on which the layer of electronically-interactive material is to be formed. A bridge above the base has a transversal shaft (30) which also has a worm screw and whose movement is also controlled by the computer. The transversal shaft (30) moves the distribution unit for the electronically-interactive material to be deposited (3) in an orthogonal direction (X).

Abstract: An apparatus and method for pulsed dispensing of liquid. The apparatus includes a syringe body structure communicating with an input passage for pressurized actuation air, and communicating with an exit passage for allowing discharge of the liquid. An air input passage flow air controller is operative to increase the flow rate of the input air in accordance with a relationship that depends at least partially on a reduction of liquid volume in the syringe body structure resulting from a previous pulsed dispensing operation.

Abstract: The present embodiments provide apparatuses for use in launching an inhibiting powder. These embodiments comprise a source of impulse pressure that induces a propellant pressure, a barrel cooperated with the source of impulse pressure to receive the propellant pressure, inhibiting powder positioned within an interior of the barrel, a burst diaphragm secured between the source of the impulse pressure and the inhibiting powder, and an actuator that activates the source of impulse pressure to deliver an expanding gas producing an increasing pressure that is applied to the burst diaphragm where the burst diaphragm bursts when the applied pressure exceeding a burst threshold, resulting in a release of the propellant pressure into the barrel to drive the inhibiting powder from the barrel in substantially an aerosol form generating a cloud of inhibiting powder.

Abstract: A pressurized water container for use with a drinking water purification system includes a housing having a top opening and lower first and second valves; a sealing assembly releasably mounted on the opening of the housing; a flexible upper water chamber including a top opening in communication with the opening of the housing; a lower pressure chamber having a rigid top surface fixedly secured to an inner surface of the housing wherein pressurized air is adapted to feed into the pressure chamber through the second valve for storage; an air chamber between the water chamber and the pressure chamber; and a tube interconnecting the first valve and a bottom surface of the air chamber, the tube having a port in communication with the pressure chamber, and a hand wheel for either opening or closing the port. Replacement of the water chamber is made easy by detaching the sealing assembly.

Abstract: Certain embodiments disclosed herein relate to compositions, methods, devices, systems, and products regarding frozen particles. In certain embodiments, the frozen particles include materials at low temperatures. In certain embodiments, the frozen particles provide vehicles for delivery of particular agents. In certain embodiments, the frozen particles are administered to at least one substrate.

Abstract: A beverage container (1) provided with an inner space, at least partly filled with carbonated beverage and a valve assembly (15) attached in the beverage container, in particular a top surface (4) thereof, which valve assembly comprises a valve body (21) biased in a closing direction against a valve seat (20), and wherein, preferably, an engaging means (26) extending outside the inner space is provided, wherein a pressure control device (36) is provided which comprises a reservoir (37), filled with a pressure gas, which reservoir is in communication with the inner space, at least during use, preferably via a pressure control device, and wherein the dispensing device comprises an operating device (40) for pressing the valve body away from the valve seat, which operating device comprises a part of a beverage dispensing channel (48, 52) and is provided with means (64) for maintaining the valve assembly in an opened position.

Abstract: An apparatus for applying bait to pest traps and a method of using the apparatus is provided. The apparatus has an elongate body having an interior cavity in communication with an opening at a first end of the body, a flowable pest bait pre-packaged and contained within the cavity, and a nozzle attached to the opening. A flowable bait is extruded on a bait pedal of a rodent trap by aiming the nozzle over a bait pedal of the rodent trap such that the user's hands remain out of reach of a spring-loaded bow of the rodent trap, and applying pressure to the flowable bait through the use of a plunger or the like. The user can then discard the apparatus.

Abstract: A spray solution generates a foam to sanitize surfaces. The spray dip solution is a mixture of the solution with carbon dioxide and nitrous oxide in a closed vessel. After ejecting the liquid dip solution mixture from a nozzle a foam is generated from the solution as the solution hits a surface. The spray can be applied to a number of different surfaces. In an embodiment of the invention, the spray can be applied to cow teats without risk of cross-contamination of the nozzle or other equipment. The generated foam remains intact on the teat for a prolonged period of time, increases the area of the teat in contact with the foam during the treatment period and disperses skin-conditioning fats present in the dip treatment, thereby increasing the coverage of the skin conditioner on and within the epidermis of the teat and surrounding areas.

Abstract: A system for distributing a product on an agricultural implement is provided. The system comprises a primary container having a primary container inlet and a product exit, and the primary container is configured to accommodate the product and permit the product to move through the product exit in response to fluid pressure. The system further comprises a pressure supply assembly including a pressure source that provides a pressurized fluid to the primary container through the primary container inlet. The system further comprises a delivery conduit having a first end connected to the product exit and is configured to permit the product to pass there through by dense phase flow.

Abstract: A pump enabling a fluid substance to be manually dispensed through a hollow stem projecting from a hole in a ring cap sealedly applied to one end of a pump. The stem can sealedly translate within said hole in the ring cap, which in its turn can be sealedly mounted on the mouth of a container containing the fluid substance to be dispensed.

Abstract: Compositions and methods useful for imparting coloration to various substrates including plastics, paper, wood, fabrics, fibers and textiles. Materials comprising water-soluble colorants including an amidine group and a chromophore moiety are contacted with a substrate, and the substrate permitted to dry to provide substantially water-proof coloration on the substrate. In one embodiment an ink, coating, or dye is an aqueous composition comprising one or more amidines as provided herein, which is contained within a vessel that includes a gas at an effective level of pressure to enable the gas to react with an amidine as herein provided, to provide and maintain the amidine substantially in its protonated form prior to application of the aqueous composition to a desired substrate.

Abstract: An apparatus for producing a beverage includes a water tank, a concentrate container, and a mixing chamber. A water conduit supplies water by gravity from the water tank to a water discharge mixing opening and a concentrate conduit supplies the liquid concentrate by gravity from the concentrate container to a concentrate discharge mixing opening. The discharge openings open directly and separately into the mixing chamber. A dispenser assembly opens and closes the discharge openings and the released water and liquid concentrate directly leaves the mixing chamber to produce the beverage. In another embodiment, an apparatus includes a sealable chamber, and an air pump for pressurizing the sealable chamber and the concentrate container. A dispenser and methods for producing a beverage from a liquid concentrate and water are also disclosed.

Abstract: An aerosol dispensing container 1 comprising a container body 20, 30, 40 and a collapsible bag 50 therein. The bag 50 separates a pressurised chamber defined between the container body 20, 30, 40 and the bag 50 from a product chamber defined inside the bag 50. A valve 5 is mounted in a valve cup 70 supported by the body 20, 30, 40 and the valve arrangement allows fluid communication between the valve 5 and the product chamber inside the bag 50. An extrinsic support means 54, 55 is carried by the bag 50 and is adapted to ensure flow of product to the valve 5 by preventing radial collapse of the bag 50, whilst allowing axial collapse of the bag 50 as the product is dispensed.

Abstract: A refillable compressed air driven system includes a vessel adapted to hold a determined amount of batter and compressed air, a compressed air inlet port in the vessel, a compressed air outlet port in the vessel, a batter inlet port in the vessel, a batter outlet port in the vessel, a compressed air supply line fluidly connected to the compressed air inlet port and configured to supply compressed air from a compressor through the compressed air supply line to the vessel, an exhaust valve operably coupled to the compressed air outlet port, a hopper operably coupled to the batter inlet port, and a batter inlet valve disposed between the hopper and the vessel, and a dispenser operably coupled to the batter outlet port.

Abstract: A container for sealing liquid for repairing inflatable articles, in particular, tyres, has a vessel having an opening; and a valve device fitted to the opening and having an inlet connectable to a compressed-air feed line, and an outlet for dispensing the sealing liquid; the valve device has a slide movable, in response to pressurization of the feed line, from a closed position closing the valve device and wherein the inlet and outlet are isolated from the inside of the container, to an open position wherein the inlet and outlet communicate with the inside of the container.

Abstract: A specially designed flexible tank is installed in a standard 20 foot overseas shipping container or in a standard trucking dry van trailer. A conductive heat serpentine plastic tubing system is also installed underneath the flexible tank allowing heat to liquefy the honey near the bottom discharge location. Nitrogen is introduced through an upper air purging valve and flow is controlled by a regulator allowing tank to stand and not be conducive to cling of product on the roof or the sidewalls and to assist in discharging product without need of a pumping mechanism. Due to the continued shape of the flexible tank there will be very little product loss allowing virtually all product to be expelled. The discharge valve will remain open when the heat is started and this allows the honey to be removed as quickly as it becomes liquid.

Abstract: A texturing system for applying texture material to a surface. The texturing system comprises a container, a valve assembly, texture material, and propellant material. The container assembly defines a product chamber. The valve assembly is mounted to the container assembly and is operable in closed and open configurations. The texture material comprises a coating portion and a particulate portion and is disposed within the product chamber. The particulate portion comprises urethane particles. The propellant material is disposed within the product chamber and is substantially inert to the urethane particles. Operation of the valve assembly in the open configuration allows the propellant material to force the texture material from the product chamber and onto the surface.

Abstract: A beverage dispensing apparatus for enclosing a keg (2) containing a beverage, comprising pumping means (7) for compressing air, and gas transport means (8) for transporting compressed gas from said pumping means (7) to the keg (2) for driving the beverage out of the keg (2) The beverage dispensing apparatus comprises a membrane (10) enveloping a space through which compressed air can pass, whereby oxygen can pass much faster through the membrane (10) than nitrogen can pass through the membrane (10), so that the percentage of oxygen in the gas that is transported to the keg (2) is reduced.

Abstract: A liquid dispensing apparatus is provided which has a syringe for storing and dispensing a liquid, and a connector passage connected to the syringe. A positive pressure passage is connected to an air source for supplying positive pressure to the syringe, and there is a pressure valve located along the positive pressure passage that is operative to control the flow of air along the positive pressure passage. A vacuum passage is connected to a vacuum generator for supplying vacuum pressure to the syringe, and there is a vacuum valve located along the said vacuum passage that is operative to control the flow of air along the vacuum passage. The positive pressure passage and vacuum passage are connected to the connector passage. A pressure sensor is also provided to measure the pressure in the connector passage.

Abstract: Fluid supply systems for storage and dispensing of chemical reagents and compositions, e.g., high purity liquid reagents and chemical mechanical polishing compositions used to manufacture microelectronic device products, having capability for detection of an empty or near-empty condition when the contained liquid is at or approaching depletion during dispensing operation. Fluid delivery systems employing empty detect arrangements are described, including pressure transducer monitoring of dispensed material intermediate the supply package and a servo-hydraulic dispense pump, or monitoring of dispenser chamber replenishment times in a dispenser being replenished on a cyclic schedule to flow material from the dispenser to a downstream tool utilizing the dispensed material.