Abstract: Different kinds of developing liquids for photolithography are stored in separate chambers. The stored liquids are dispensed in a single nozzle head which merges the outlets of the two storage chambers. The mix of the liquids can be programmed. In another embodiment of the invention, each separate chamber has individual nozzle head, but the chambers are mechanically integrated as a unitary body, capable of moving and spraying together.

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

Abstract: A device (31) for connection of a nozzle (23) of a pre-mixing chamber (11) of a gas turbine, to a housing (12) of the pre-mixing chamber (11) comprises a flange (33) which clasps and retains the nozzle (23). The flange (33) is connected in a detachable manner to the housing (12) of the pre-mixing chamber (11), so as to render the nozzle (23) integral with the housing (12) of the pre-mixing chamber (11).

Abstract: The invention relates to a method for producing foaming substances, especially foaming cement substances, consisting essentially of a starting product, especially cement paste, and a foaming agent. The inventive substances are produced in a mixing reactor which is connected to a supply container for the starting product by a feed pump. A product flow taken from the mixing reactor is conveyed to the supply container in a circuit, the foaming agent and atmospheric air being added and the supply container being kept at a minimum level. After a mixing phase, a sub-flow is taken from the product flow for processing.

Abstract: In an airless dispensing system, liquids may be dispensed at variable angles from substantially 0° to as much as 50°-60°, by a simple adjustment made by a dispenser operator without ceasing operation or disassembling the dispenser apparatus. A variable angle liquid dispenser comprises a nozzle having a forward face with a dispensing orifice, a first passageway in the nozzle having a central axis intersecting the dispensing orifice, a plurality of angled second passageways in the nozzle, each angled second passageway having a central axis intersecting the dispensing orifice and the central axis of the first passageway, and a variable flow control adjustable to vary the flows of liquid entering the first passageway and the plurality of angled second passageways and to thereby vary the included angle of the liquid dispensed from the dispensing orifice and the width of liquid that may be applied to a substrate.

Abstract: A nozzle for use with an apparatus for inserting toothpaste having a plurality of materials into a toothpaste container. The nozzle includes a first hollow member for receiving a first material, and a second hollow member arranged inside the first hollow member for receiving a second material. The first and second hollow members enable the first and second materials to be inserted into the toothpaste container such that. one of the first and second materials is arranged inside the other of the first and second materials when the toothpaste is dispensed from the toothpaste container.

Abstract: A device for recycling a liquid that has collected on the inner wall of a tube through which a gas stream flows includes (1) a tube having an inner wall and (2) capillaries on the inner wall of the tube that project into the gas stream.

Abstract: A catalytic cracker riser reactor is connected to a regenerator standpipe through which hot, regenerated catalyst enters the riser bottom region. A hydrocarbon feed, such as gas oil, and dispersing gases, such as steam, are introduced through a single bottom entry nozzle assembly. The nozzle assembly comprises three concentrically arranged conduits. An inner conduit provides a passageway for a first dispersing gas and terminates in a first cap having at least one outlet passage for discharging the first dispersing gas in a generally radially outward and upward direction. The first conduit and first cap are enclosed by a second conduit and second cap, the annulus formed thereby providing a passageway for a liquid hydrocarbon feed. The second cap also has at least one outlet passage for discharging the mixture of hydrocarbon feed and first dispersing gas into the riser reactor in a radially outward and upward direction.

Abstract: An ejector is provided with an Interior surface wetting device for introducing a cleaning liquid into a suction chamber of the ejector to form a thin wall of the cleaning liquid covering an interior surface of the ejector. The interior surface wetting device includes a cleaning liquid inlet opening to be fluidly connected to a source of cleaning liquid and a cleaning liquid outlet opening for introducing the cleaning liquid into a suction chamber The wetting device may be in the form of a pipe which extends from the outside of the ejector into the suction chamber to supply a cleaning liquid to a desired portion in the suction chamber.

Abstract: Liquid to be atomized is uniformly sprayed on the inner surface of a hollow rotating cylinder, for example by means of one- or two-fluid-nozzles and is thus distributed on apertures provided in the cylinder wall. The rotation of the cylinder causes the liquid to flow outwards through the apertures. Droplets are generated when the liquid flows out of the apertures by laminary decomposition of the jet. The flow rate in each aperture lies in the range 1.0<{dot over (V)}A (a3&rgr;5/&sgr;5)0.25<16 to prevent the droplets from becoming too large and to satisfy the condition of an adequate flow laminarity, i.e. for the value of the Reynolds Number for the continuous liquid flow in the apertures not to exceed Re&dgr; 400. {dot over (V)}A represents the flow rate of the liquid in each aperture, a represents the centrifugal acceleration at the outer surface of the cylinder, &rgr; represents the density of the liquid, and 8 indicates the surface tension of the liquid.

Abstract: A chemical injection system for use in a vehicle wash system having a single spray arch that distributes a plurality of various chemicals onto a vehicle during the wash process. The chemical injection system includes a high pressure supply manifold formed from stainless steel that receives a high pressure supply of inlet water. The supply manifold receives a plurality of individual chemical injectors that are each connected to a supply of one or more chemicals. Each of the chemical injectors is formed from a thermoplastic material and is separately insertable into the high pressure supply manifold. The flow of water through the chemical injectors creates a Venturi effect that pulls the chemical agent into the water supply for distribution downstream through the spray arch.

Abstract: In a cleaning nozzle, a trumpet-shaped portion made up of multiple inclined portions or a curved portion is formed upstream of a minimum diameter portion of an ejection nozzle portion of a converging-diverging shape, and a gas ejection port is opened to an intermediate part of the trumpet-shaped portion. Inside the gas ejection port is formed a cleaning liquid ejection port. A gas is ejected at a higher speed than that of a cleaning liquid from the cleaning liquid ejection port to transform the cleaning liquid into droplets, which are further accelerated by a tapered portion formed downstream of the minimum diameter portion before being ejected. A small amount of liquid may be supplied to a pressurized gas passage between a powder injection portion and the cleaning nozzle to prevent a possible clogging of passage due to powder.

Abstract: A high efficiency liquid fuel atomizer includes an elongated generally tubular member defining a liquid fuel pre-atomization chamber. The tubular member has an outer wall that extends around the chamber, an upstream end adapted for connection to a source of liquid fuel and a downstream fuel delivery outlet. The atomizer also includes a larger diameter outer tube that is concentric to the tubular member and defines a generally annular pressurized atomizing fluid supply conduit disposed in surrounding relationship relative to the chamber. The outer tube has an inlet adapted for connection to a source of pressurized atomizing fluid and a downstream pressurized atomizing fluid delivery outlet. One or more orifices are provided in the outer wall of the tubular member so as to intercommunicate the chamber and the annular conduit to permit pressurized atomizing fluid to enter the chamber and at least partially atomize the fluid fuel therein.

Abstract: The present invention provides a vapor-liquid (V-L) ejector with a removable nozzle (2) in which the internal structure has been modified and improved concerning the clearance that exists to enable said nozzle (2) to be engaged in the body (10) of said ejector (1). The invention also provides a nozzle (2) for such an ejector (1).

Abstract: Provided are an ozone generator 24 for generating ozone, an atomizer nozzle 27 arranged inside and adjacent to a top of a sewage-treating waste water treatment vessel 16 for spraying ozone and water in mixture, a compressor 25 for supplying ozone generated by the ozone generator 24 to the atomizer nozzle 27 and a pump 26 for supplying water to the atomizer nozzle 27. Surface of the sewage is covered with ozone and fine water particles which are sprayed from the atomizer nozzle 27 into the waste water treatment vessel 16, and hydroxyl radical with high activity is generated by the ozone and water molecules In the fine water particles to oxidize the smell components, resulting in suppressing diffusion of offensive smell out of the waste water treatment vessel 16.

Abstract: An injection valve is provided with vibration to dislodge residue therefrom and to thus avoid injection valve clogging. A wave generator which preferably generates an ultrasonic sine wave, is operatively coupled to the vaporization region of the injection valve (i.e., via the injection block, via a piezoelectric valve controller, etc.). The wave may be applied to the injection valve whenever vaporization takes place, in which case a removable trap is coupled between the injection valve and the processing chamber. Alternatively, the sonic wave may be applied to the injection valve only in conjunction with a chamber cleaning process.

Abstract: Processes are disclosed for the use of subcritical compressed fluids, such as carbon dioxide or ethane, to reduce viscosity and to enhance atomization when spray applying coating compositions containing low molecular weight polymers to substrates, by using spray conditions that produce choked flow in the liquid mixture being sprayed, wherein the subcritical compressed fluid is a gas at standard conditions of 0° C. temperature and one atmosphere pressure and is miscible with the coating composition.

Abstract: A novel apparatus and process, including a perforated-pipe sparger, for atomizing a liquid stream is disclosed. This novel apparatus and process can be utilized in a fluidized catalytic cracking process or in a coking process for atomizing an oil stream prior to contact with a fluidized catalyst.

Abstract: A process and a device for atomization of a liquid extinguishing medium, in which the liquid extinguishing medium and a liquid inert gas are mixed in a mixing unit to form a liquid extinguishing medium mixture. The mixture is conveyed through a conduit to a distributing device such as extinguishing nozzles. As the mixture exits the distributing device the mixture is atomized, forming an aerosol spray for extinguishing a fire within an extinguishing area defined by the aerosol spray. A detector arranged in the extinguishing area for detection of parameters relating to extinguishing of the fire is connected to an evaluation device which in turn is connected to a control valve. The control valve regulates the quantity of liquid inert gas supplied to the mixing unit.

Abstract: An arrangement for the controlled production of an essentially linear array of hydrocarbon feed injection jets maintains stable and reliable jets by passing individual piping for each jet through a support shroud that is located in a contacting vessel. Controlled atomization is provided by independently injecting a uniform quantity of gas medium into each of the plurality of uniformly created feed injection streams upstream of a discharge nozzle that separately discharges each mixed stream of hydrocarbons and gas medium into a stream of catalyst particles at or about the inner end of the support shroud. The feed injection jets are suitable for positioning in an inner location of a large contacting vessel. Uniformity of distribution is obtained by dividing the hydrocarbons streams from an oil header into an individual oil conduit for each spray injection nozzle.

Abstract: A hand-held compressed air duster apparatus comprises a pressurizable vessel for containing a fine particulate dusting material. The vessel has an upper shoulder provided with a sealable top opening, in which a hand pump is mounted and sealably connected to the top opening. The pump comprises an external handle connected to a piston extending into the vessel. A dust discharge outlet is disposed on the shoulder of the vessel. Located within the vessel are two concentric tubes. A rotatable outer tube having a closed lower end that is provided with a pivot foot in contact with the bottom of the vessel extends upwards to an open upper end that is in fluid communication with the interior of the vessel. The rotatable outer tube comprises a dust feed agitator pin extending outwardly from the outer surface of the tube.

Abstract: A method and apparatus for efficiently applying liquid coatings to a workpiece. The apparatus is a compressed air spray system tailored to achieve a desired transfer efficiency (TE) by controlling atomization. Liquid and pressurized air are supplied to a spray applicator. The atomized spray is applied to the workpiece. Atomization and TE, as well as associated fluid flow parameters, are measured at various gas pressures while maintaining a constant liquid flow rate. A graphical representation of the relationship between atomization and TE is produced. An optimized atomization corresponding to a desired TE is determined from the graphical representation of atomization and TE. The fluid flow parameters corresponding to the optimized atomization are set and regulated to produce the optimized atomization, thereby optimizing transfer efficiency.

Abstract: An anti-crossover nozzle with two principle pieces that snap together, having a forward end portion with a dispensing opening, a rear end portion which includes at least a pair of inlets. Each inlet has a center passage, therethrough and at least two valve leaflets biased by their own inherent resiliency to a normally closed position covering openings in the passages. There is at least one point of attachment formed between an interior surface of the rear end portion and the valve leaflets. The leaflets are displaced from their normally closed position by the force of incoming liquid foam components.

Abstract: Mixing means, for producing a flow mixture of oil and steam, is combined with an atomizing nozzle to provide a nozzle assembly which produces a jet of very fine oil droplets. The nozzle assembly is used in conjunction with a reactor, such as a fluidized bed coker. The mixing means comprises a pipe, external of the reactor, having separate, spaced apart inlets for oil and steam. The steam inlet is upstream of the oil inlet. A reducing diameter nozzle is positioned in the pipe bore between the inlets, for accelerating the steam. The steam contacts the oil and turbulently moves down the pipe bore to produce what is known as a "bubbly flow" mixture. The mixture is fed to the nozzle, which is internal of the reactor.

Abstract: An aerosol dispensing apparatus comprises a housing which includes a top l having a sharp edged orifice and a speaker assembly mounted on a bottom portion of the housing. A sawtooth waveform generator generates and then provides a sawtooth waveform signal which includes a jitter component to the speaker assembly which drives a flexible diaphragm resulting in a reciprocating motion of the flexible diaphragm. The ramp portion of the sawtooth waveform signal retracts the flexible diaphragm in a rearward direction, while the approximately vertical portion of the signal causes an abrupt forward movement of the flexible diaphragm. The inner portion of the housing forms a chamber which contains a medication. The jitter component of the sawtooth waveform signal fluidizes the medication suspending the medication in air within the chamber to form a vaporized medication.

Abstract: The present invention is directed to providing an apparatus which is improved so as to remove a contamination on a substrate efficiently. This apparatus includes a jet nozzle jetting out droplets toward a substrate. A liquid supply device and a gas supply device are connected to the jet nozzle. A mixing device mixing a liquid and a gas supplied to the jet nozzle and changing the liquid into the droplets is provided in the jet nozzle.

Abstract: A self-educting, high expansion, multi-agent nozzle of the type for educting more than one chemical and mixing these chemicals with a motive fluid stream within the nozzle and ejecting the mixed fluid stream is provided. The self-educting, high expansion, multi-agent nozzle including a body having an eductor section and a barrel section, the eductor section forming a vacuum chamber and a first and second chemical port adapted for connecting to a first and second chemical source respectively, the barrel section forming a pathway between an inlet from the eductor section to an open discharge end; a head forming a tapered conduit between an open motive fluid end adapted for connecting to a motive fluid source and an open exit end, the head connected to an open head end of the eductor section in a manner such that the exit end is disposed within the vacuum chamber; a barrel sleeve movably connected to an exterior surface of the barrel section; and a diffuser mounted within the pathway of the barrel section.

Abstract: An aerosol dispensing apparatus comprises a housing which includes a top l having a sharp edged orifice and a speaker assembly mounted on a bottom portion of the housing. A sawtooth waveform generator generates and then provides a sawtooth waveform signal which includes a jitter component to the speaker assembly which drives a flexible diaphragm resulting in a reciprocating motion of the flexible diaphragm. The ramp portion of sawtooth waveform signal retracts the flexible diaphragm in a rearward direction, while the approximately vertical portion of the signal causes an abrupt forward movement of the flexible diaphragm. The inner portion of the housing forms a chamber which contains a medication. The jitter component of the sawtooth waveform signal fluidizes the medication suspending the medication in air within the chamber to form a vaporized medication.

Abstract: A removable nozzle head for a minature sandblaster used for medical or industrial applications is disclosed comprising a nozzle, a handpiece nozzle adapter, a nozzle locking ring where the nozzle and nozzle handapiece adapter each have corresponding first and second bore in fluid communication to allow delivery of independent supplies of a gas and an abrasive laden stream to a mixing chamber in the nozzle for delivery through a orifice tube to a surface to be abraded, cleaned or modified.

Abstract: An injection lance for injecting a mixture of air and anhydrous ammonia into a boiler having a flue gas stream moving therethrough to reduce nitrogen oxides therein. The lance includes outer, intermediate and inner tubes. The outer end of the inner tube is in communication with a source of anhydrous ammonia while the outer end of the outer tube is in communication with a source of mixing air. The outer end of the intermediate tube sealably embraces the exterior surface of the inner tube so that air being introduced into the outer tube passes towards the inner end of the lance between the outer and intermediate tubes. The mixing air and the anhydrous ammonia are passed into the space between the inner tube and the intermediate tube and then are discharged from the lance through discharge nozzles or ports which extend from the interior of the intermediate tube to the exterior of the outer tube.

Abstract: The present invention pertains to a trigger sprayer which is connectable to two container volumes containing separate liquids. The sprayer has a trigger that is manipulated to draw the separate liquids into two separate pump chambers and then supply the two separate liquids from the pump chambers to a discharge passage of the sprayer. In the discharge passage the two separate liquids are mixed together prior to their being dispensed from the discharge passage as a spray.

Abstract: A trigger actuated fluid dispenser for simultaneously dispensing disparate fluids separately stored in separate fluid compartments of a container includes side-by-side pump cylinders receiving side-by-side pump pistons reciprocable simultaneously during each pressure stroke applied by a single trigger lever for separately and simultaneously pumping the disparate fluids along separate discharge paths.

Abstract: A convergent/divergent gas nozzle atomizes a liquid provided through a lid delivery tube having an aperture which is centered within a central gas conduit of an upstream mixing block connected to the nozzle. The aperture of the liquid delivery tube is located just upstream of a narrowed throat of the nozzle. The throat of the nozzle is dimensioned such that its inside diameter is equal to the outside diameter of the liquid injector tube. A spout is located at the discharge end of the nozzle which has an inside diameter equal to two times the inside diameter of the throat. This nozzle displays superior performance, providing an extremely fine mist having high momentum. This nozzle is particularly well-suited to fire extinguishment.

Abstract: A vent block for use in controlling powder surging in a flame spray coating system having a flame spray gun with an eductor disposed inside the gun, the vent block being disposed between the powder source and the gun, the vent block having intersecting powder and vent air flow paths communicating with an outlet flow path, the cross-sectional areas of the powder and vent air flow paths being substantially equal to each other, and the combined cross-sectional areas of the powder and vent air flow paths being about one half the cross-sectional area of the outlet flow path.

Abstract: A method for preserving porous structures, including masonry structures having embedded structural or reinforcing steel rods, applies liquid preservative material to an exposed surface of the structure and injects the material into the structure using the blasting force of a compressed air stream at high velocity. The apparatus for practicing the method includes separate manifolds having multiple outlet nozzles provided for the liquid material and for the air streams, both manifolds covered by a shroud. The manifolds and their nozzles are arranged so that, as the liquid is applied to the surface of the structure, the high velocity air forces or injects it into the interior of the structure, so as to coat the interstices of the inner porous structure including any reinforcing steel therein, the high velocity air streams acting as a fluid hammer. The preservation of the structures occurs without the need of disturbing, breaking open or repairing brick, concrete or masonry structures.

Abstract: A method and apparatus for spraying adhesive compositions having a high solids content comprises a source of supercritical fluid diluent such as supercritical carbon dioxide, a source of virgin adhesive, an adhesive dispenser and a mixer communicating with each source of material and with the dispenser. The mixer includes a dynamic mixing element which agitates the viscous adhesive material allowing the supercritical carbon dioxide to be effectively dispersed into the adhesive, thus forming an adhesive composition with a high solids content having a relatively low viscosity suitable for spray application of the adhesive.

Abstract: An apparatus and method for mixing and delivering plural liquid components in a selected volume ratio. For each component, a separate motor drives a separate rotary gear pump that delivers the component to a common mixing and delivery device (spray gun). The speed of each motor, and correspondingly the volume of fluid delivered by that pump, is determined by a respective programmable computer. The individual computers are interlinked, with one master computer and the rest slave(s). Desired motor speeds are input into the computers in a selected ratio. A change in the speed of the master motor therefore produces a corresponding change in the speed of a slave motor according to the ratio. Actual motor speed is monitored and transmitted to the respective computer for feedback control. A simple manual ratio test is provided for calibration of the system. Each pump is magnetically coupled to its respective motor drive shaft.

Abstract: A washing system for windshields of motor vehicles including a tank for washing water, a tank for a washing powder, and a washing pump. Water is drawn from the tank, and mixed with washing powder. The mixture of washing water and washing powder is transported to a washing nozzle for depositing on the windshield of a vehicle. Washing powder can be added to the washing water in the intake section of the pump.

Abstract: Burners for burning waste, comprising a conventional fuel nozzle and a waste slurry nozzle. Waste slurry nozzles, comprising a first conduit, a second conduit and an acceleration zone comprising a mixing chamber and an acceleration conduit. Waste slurries comprising a continuous phase and a solids phase, the solids phase consisting essentially of solids having at least one dimension less than about 1/8 inch and solids having no dimension less than 1/8 inch and no dimension larger than about 5/8 inch. Methods for burning waste, comprising feeding a slurry of cement raw materials to an up end of a rotating kiln, and ejecting a waste slurry from a burner such that a portion of the waste slurry lands in the calcining zone of the kiln.

Abstract: In order not to have to rinse, during breaks in production, oscillating mixheads such as are used for the manufacture of free-flowing, plastic-forming reaction mixtures, an exchangeable insert part held in position by means of a clip and preferably consisting of plastic material is provided in the mixhead. The insert has a mixing chamber and an outlet channel. This insert part can be disposable or reusable.

Abstract: A system for spraying ceramic coatings on surfaces in contact with molten metals in which a constant amount of slurry made from water and ceramic powder is supplied to a pump and a hose for applying the slurry to the surface to be coated. Activation of an air valve delivers air to the hose at a sufficient pressure to spray the slurry on the surface to be coated. Deactivation of the air valve shuts off the pump.

Abstract: Burners for burning waste, comprising a conventional fuel nozzle and a waste slurry nozzle. Waste slurry nozzles, comprising a first conduit, a second conduit and an acceleration zone comprising a mixing chamber and an acceleration conduit. Waste slurries comprising a continuous phase and a solids phase, the solids phase consisting essentially of solids having at least one dimension less than about 1/8 inch and solids having no dimension less than 1/8 inch and no dimension larger than about 5/8 inch. Methods for burning waste, comprising feeding a slurry of cement raw materials to an up end of a rotating kiln, and ejecting a waste slurry from a burner such that a portion of the waste slurry lands in the calcining zone of the kiln.

Abstract: A spray system is disclosed which includes a spray gun for the hand-operated spraying of fluid material with pressurized air. A spray gun body includes a barrel chamber having an air tube which directs air outwardly through a discharge port with entrained material in a spray. A bistable control valve operates responsive to movement of a trigger for controlling the flow of both air pressure and material into the barrel chamber. The control valve is bistable in its operation to either close the air flow off when the trigger is in its off position or to open the air flow when the trigger is in any of its operating positions. Air tube adjustment means is provided for manually controlling the spray pattern during operation. An electrical control circuit is provided to control a material flow pump responsive to movement of the trigger.

Abstract: The invention consists of a system for storing, initiating curing of and dispensing a multicomponent curable material. One of the component materials is in the form of a multiplicity of discrete units surrounded by respective destructible layers of a substance which is nonreactive with the components. The system includes a device for rupturing the destructible layers while the components are being dispensed. This device may include a screen, roller pair, or heating element.

Abstract: Processes and apparatus for the construction of improved tank structures employing a pump metering and delivery system which accurately meters, mixes and evenly applies composite materials to form the walls of tanks or containment vessels. Such systems have specific application to the construction of walls of prestressed tanks formed by inflating a membrane and applying rigidifying material outwardly of said membrane and then prestressing the walls by circumferentially wrapping prestressing material around the same. Promoters, catalyst, and other chemicals are used to create composite walls, each feeding into individual pump systems comprised of at least two hydraulic cylinders connected to supply cylinders which are coordinated so that their strokes are controlled to arrive at a desired flow. The flow is then channeled through a mixer which mixes the material for spraying through a nozzle. The flow from the nozzle can also be intermixed with chopped glass from a chopper system or with granular materials.

Abstract: A device for injection of a hydrocarbon feedstock into a catalytic cracking reactor comprising, from upstream to downstream in the direction of flow of the feedstock, an intake and mixing system (5) for the liquid hydrocarbon feedstock and steam, a venturi tube (6) whose entrance cone (10) is joined to said intake and mixing system (5), and a protective cap (7) that is integral with the discharge cone (14) of the venturi tube and is provided with an orifice (16) for injection of the feedstock into the reactor. The dimensions of the venturi tube (6) are such that the velocity of the mixture of liquid feedstock and steam attains therein sonic conditions at the level of the throat (13), and the rectilinear throat located between the discharge cone (14) and the entrance cone (10) is connected to such cones continuously by a curved section without making an angle exceeding about 5 degrees and about 15 degrees, respectively, with the axis of the venturi tube.

Abstract: Syringe holder carriers first and second syringes which contain proteins which, when mixed, become a tissue adhesive. A manifold locks onto the two syringes, receives the two streams and delivers them to an output nose. A standard needle detachably locks onto the nose of the manifold. Alternatively to a needle, a spray nozzle can be locked thereon.

Abstract: An apparatus for forming a refractory mass on a surface of a substrate by spraying against the surface a mixture of particles including oxidizable particles and refractory particles in a carrier gas, which carrier gas may contain oxygen but is not substantially all oxygen, and combusting the oxidizable particles to generate sufficient heat to soften or melt at least the surfaces of the refractory particles and form the refractory mass, which apparatus includes means for mixing the mixture of particles with a stream of the carrier gas; a lance having an outlet; a feed line for conveying the carrier gas and entrained mixture of particles to the lance outlet for spraying and having defined therein at least one orifice located downstream of the mixing means and at least 1 m from the lance outlet; and means for introducing oxygen gas into the carrier gas and entrained mixture of particles connected to the at least one orifice defined in the feed line.

Abstract: Fuel nozzle 10 has fuel delivery through circumferentially spaced orifices 34 impinging on baffle 40. Fuel flows through a restricted annulus 42 to an expansion volume 50 and thence through a restricted frusto conical annulus 52 to discharge 16. The baffle, restriction and expansion spreads the discrete flows through each orifice to obtain uniform circumferential expansion.

Abstract: A system for producing nitrogen fertilizer using an electric arc process is described in which the electric arc necessary for the process is generated by piezoelectric elements actuated by a hammer mechanism powered by water pressure such as from a garden hose. The nitrogen oxides produced by the arc discharge are drawn into the water to serve as a source of nitrogen fertilizer. The net result of the invention is that the operator can provide nitrogen fertilizer as he supplies water to the same area. The only inputs to this system are air and a source of water under pressure.