Abstract: A deicing and snow melting device, for elevating the melting point of ice and snow, comprises of a plurality of pellets including an active ingredient. Each pellet of the plurality of pellets has at least an underside and a topside. The active ingredient is selected from the group consisting of chloride salts, organic compounds, alcohols or mixtures thereof. A base comprising a water-soluble sheet is joined to either one of the underside or topside of each pellet of the plurality of pellets.

Abstract: A liquid dispensing apparatus for applying liquid products to row crops. The liquid dispensing apparatus includes a plurality of drop assemblies supported by and laterally spaced along a boom structure. Each of the drop assemblies includes dribble hoses for dribbling a liquid product onto the soil in a rhizosphere of adjacent crop rows. The drop assemblies may include a spray assembly for spraying the row crops. The dribble hoses may be supported by a base unit with positionable support brackets.

Abstract: Liquid discharge head comprising: liquid discharge unit, which includes discharge port, liquid retaining section configured to retain liquid to be discharged from the discharge port, and displacement section configured to discharge the liquid retained within the liquid retaining section from the discharge port; a pair of liquid storage sections, which are configured to store the liquid and are each connected to the liquid retaining section in the liquid discharge unit so that the liquid can flow; a pair of liquid feeding sections that are connected to the pair of liquid storage sections and are configured to feed the liquid between the liquid storage section and the liquid retaining section; and a pair of open and close sections that are each disposed at flow path between the liquid feeding section and the liquid storage section and are configured to open and close the flow path.

Abstract: The phase-change accommodating rigid fluid container disclosed herein includes a variety of features that protect the container from phase changes of a fluid stored therein. As a result, the container may be in direct contact with the fluid without any flexible membrane or bag there between. For example, the fluid container may include one or more of matched pairs of recesses for physical manipulation of the container, stiffening ribs extending between the recesses, and input/output assemblies acting as inputs for fluid into the container, outputs of fluid from the container, and vents for pressure equalization of the container.

Abstract: An apparatus is described herein that may generally include an air pump, a rotatable drum, a flexible hose, and first and second housings. The drum may draw in and let out the flexible hose. The pump may be connected to the flexible hose. The first housing may enclose in inner portion of the drum, and may include a first air intake. The pump may be disposed within the first housing. The second housing may surround the drum and may include a second air intake. The flexible hose may pass through the second air intake. The first intake may be aligned perpendicular to the second air intake. Alternatively, the first intake may be aligned parallel to the second air intake on a side of the drum opposite the second air intake. Sound emitted from the pump may pass over, and be absorbed by, the flexible hose within the second housing.

Abstract: A method of treating a vertebra, comprising: (a) accessing an interior of a vertebra; and (b) introducing a sufficient amount of artificial biocompatible material which does not set to a hardened condition in storage, into said bone, with sufficient force to move apart fractured portions of said bone.

Abstract: An adapter allows direct connection of a handheld spray device to paint cans of varying dimensions. The adapter includes a cage for holding the paint can, a cap that connects the cage to the handheld spray device, and a gasket that seals the open upper end of the paint can to the cap. The adapter may also include a suction tube extension that is connectable between the pump inlet and the suction tube of the spray device. A can spacer insert is positionable in the cage to elevate paint cans of varying heights so that the upper ring of the paint can engages the gasket.

Abstract: A portable, manually operable, trigger-activated pump spray applicator can be used to apply paints and coating fluids in commercial and military end use applications, especially chemical agent resistant coating (CARC) fluids. The applicator includes an impermeable, preferably rigid-walled, container capped by a manually operable spray pump with a single fluid nozzle. The assembly has capability of producing an atomized spray of viscous coating fluids. The applicator includes internal agitators suitable to redisperse solid components of the coating fluid that settle after long-term storage. The agitators include a plurality of small, heavy spheres and a single large, heavy, striker. The inside bottom wall and side wall meet with a concave radius of curvature that matches the radius of the small spheres. The striker has a characteristic dimension of about 10-500% greater than the diameter of the small spheres.

Abstract: A portable, manually operable, trigger-activated pump spray applicator can be used to apply paints and coating fluids in commercial and military end use applications, especially chemical agent resistant coating (CARC) fluids. The applicator includes an impermeable, preferably rigid-walled, container capped by a manually operable spray pump with a single fluid nozzle. The assembly has capability of producing an atomized spray of viscous coating fluids. The applicator includes internal agitators suitable to redisperse solid components of the coating fluid that settle after long-term storage. The agitators include a plurality of small, heavy spheres and a single large, heavy, striker. The inside bottom wall and side wall meet with a concave radius of curvature that matches the radius of the small spheres. The striker has a characteristic dimension of about 10-500% greater than the diameter of the small spheres.

Abstract: The spreader has a movable container and at least one elongated tube, and can thus be moved along a path in the forest, and the tube successively deployed to blow the soil conditioner between the trees, away from the path. Satisfactory efficiency can be achieved using an eductor device to transfer the powdery soil conditioner into the air flow in the tube.

Abstract: A spraying assembly is provided for delivering a coating material to a surface. The assembly of an embodiment comprises a mobile support structure, a mixing tank coupled to the support structure and a mixing device connected to the mixing tank. A mixture dispensing assembly has a conduit coupled to the mixing tank and a dispenser through which a flowable mixture is dispensed. The assembly has an hydraulic system having at least one closed hydraulic loop, a hydraulically-driven air compressor coupled to the hydraulic system, and a hydraulic pump assembly coupled to the closed loop of the hydraulic system. The hydraulic pump assembly is configured to pump the mixture at a selected flow rate from the mixing tank to the mixture dispensing assembly, and a remotely-actuated flow control assembly configured to control the flow rate of the mixture to the mixture dispensing assembly.

Abstract: A portable, manually operable, trigger-activated pump spray applicator can be used to apply paints and coating fluids in commercial and military end use applications, especially chemical agent resistant coating (CARC) fluids. The applicator includes an impermeable, preferably rigid-walled, container capped by a manually operable spray pump with a single fluid nozzle. The assembly has capability of producing an atomized spray of viscous coating fluids. The applicator includes internal agitators suitable to redisperse solid components of the coating fluid that settle after long-term storage. The agitators include a plurality of small, heavy spheres and a single large, heavy, striker. The inside bottom wall and side wall meet with a concave radius of curvature that matches the radius of the small spheres. The striker has a characteristic dimension of about 10-500% greater than the diameter of the small spheres.

Abstract: A rock dust blower and method draws rock dust from a portable supply of rock dust, in response to a flow of pressurized air, and entrains the drawn rock dust in a stream of the air for direction to selected surfaces of a coal mine. The supply is contained in a substantially vertical column and rock dust is drawn from the column along a peripheral edge of the column located adjacent the lower end of the column to thereby militate against cavitation of the rock dust adjacent the center of the column as rock dust is drawn from the supply. A vibrator mechanism can be employed to transmit vibration to the supply and thereby facilitate an even distribution of rock dust in the supply and a smooth and continuous flow of rock dust as rock dust is drawn from the supply.

Abstract: A spraying apparatus that is particularly suited to spraying of suspensions, for example liquid suspended fertilizers. The apparatus includes a tank with an arrangement configured to create fluid circulation within the tank, thereby reducing settling of solids out of suspension. The apparatus also creates a mixing flow in a region below an opening, such that particulates can be introduced through the opening into the mixing flow.

Abstract: A miniature scent generating device includes a scented component, a plurality of granular first materials, and a driving unit. The scented component includes a housing, a chamber located in the housing, a ventilation opening penetrating through the housing to communicate with the chamber, and a vibration unit disposed in the chamber. The first materials are provided in the chamber, and have a first scent. The driving unit is connected to the vibration unit. The vibration unit is controlled by the driving unit to vibrate and produce an airflow of perturbation in the chamber, so as to prompt the first materials to pass through the ventilation opening and discharge out of the chamber to disperse the first scent. The miniature scent generating device has the advantage of unlikely spoiled and readily controlling a release concentration of the scent.

Abstract: A fuel injection valve includes: a nozzle body having an injection aperture in a tip portion thereof; a needle that is slidably located in the nozzle body, forms a fuel introduction path between the needle and the nozzle body, and is seated on a seat portion in the nozzle body; a swirling flow generation portion that is located more upstream than the seat portion, and imparts a swirl with respect to a sliding direction of the needle to fuel introduced from the fuel introduction path; and a swirl velocity increasing portion that is located more downstream than the seat portion, and supplies fuel to the injection aperture while producing an air plume by increasing a swirl velocity of a swirling flow generated in the swirling flow generation portion.

Abstract: The present invention provides a disperser that gives a local dispersing effect and a homogenous dispersing effect and that achieves a more efficient dispersion. The shearing disperser comprising a rotor and an opposing member that is opposite the rotor, wherein the disperser disperses a slurry or liquid mixture by allowing the mixture to pass through the disperser and outwardly between the rotor and the opposing member by centrifugal force, and wherein the disperser further comprises a plurality of gaps that are provided between the rotor and the opposing member and lead the mixture outwardly; and a buffering space that is provided to connect an outermost gap to a gap located in a position inward from the outermost gap and that retains the mixture.

Abstract: A dispensing gun having a mix head for combining at least two fluid components, with a purge rod slidably positioned within the mix head. The purge rod has a forward position for preventing flow from the component inlets, and a rearward position allowing flow from the component inlets with an actuator for moving the purge rod. The dispensing gun further a lubrication chamber that provides lubricant to the purge rod with the lubricant originating from a lubricant cartridge.

Abstract: A distributor for a pressure atomizer includes a distributor body having an upstream end defining an internal liquid circuit, a downstream end defining a spin chamber for swirling a liquid flowing therethrough, and an outboard peripheral surface extending from the upstream end to the downstream end. The upstream and downstream ends are spaced apart along a longitudinal axis. A inclined passage is defined in the outboard peripheral surface in fluid communication with the internal liquid circuit and with the spin chamber for producing a relatively wide spray angle for a given distributor body size. The inclined passage is angled to diverge from the longitudinal axis of the distributor body in a direction toward the downstream end.

Abstract: Methods, systems and an apparatus for multi-component mixing and spray application, including a portable, balanced frame having uniformly distributed weight over the wheels, and insulated chemical container holders for receiving replaceable materials containers therein.

Abstract: A sprayer has a tank for holding a spray solution that is applied to a ground or turf surface. The sprayer includes an agitation system having a plurality of agitation nozzles that extend into the tank that are accessible from outside the tank and can be removed and replaced without using tools. The sprayer may include a rinse system carried onboard the sprayer which is segregated from the spray and agitation systems to avoid contaminating the rinse liquid prior to the time the rinse liquid is sprayed into the tank through rinse nozzles. The rinse nozzles include upwardly and downwardly directed nozzle ports and a bottom spinner for thoroughly cleaning all interior surfaces of the tank. The sprayer may also include a chemical eductor mounted on the side of the tank, whose weight is counterbalanced by springs, and which easily pivots between lower and upper positions on the tank.

Abstract: A connection-pipe sediment prevention device and method. In said connection-pipe sediment prevention device, at least a pressuring element is disposed at an opening of a pipe body of said connection-pipe, and a controller controls reciprocal movements of said pressuring elements, to make suspension liquid to flow in said connection-pipe and not to produce sediment. A nozzle is provided at bottom of said connection-pipe, to spray out said suspension liquid. Said connection-pipe sediment prevention method utilizes same means to make powder distribute evenly in said suspension liquid, so that said suspension liquid is sprayed out evenly from said nozzle. A connection-pipe principle is used, such that said suspension liquid having insoluble powder will not produce sediment, in achieving uniform spray. In addition, it is not required to put in large amount of powder and liquid at one time, thus saving production cost.

Abstract: A mission critical sanitizing apparatus has a plurality of input pumps. At least two of the input pumps are a digital jet means. A water pump is for inputting water to a mixing chamber. The mixing chamber receives flow from the plurality of input pumps, and from the water pump. The plurality of input pumps provides digitally measured flow to a mixing chamber. The mixing chamber receives water from the water pump. The output pump pumps an output flow from the mixing chamber. A controller provides digital control to the plurality of input pumps and the controller controls the water pump and the output pump. A communications module has a communications protocol and receives configuration input from a user. Preferably, an HOCl concentration is between 20 ppm and 300 ppm and a pH of the output flow is in the range of 5.5-7.0.

Abstract: A process for mixing a liquid or mixture of a liquid and a fine solid present in a vessel, in which the vessel is supplied with the same liquid or the same mixture as a motive jet of a jet nozzle which is present in the vessel and has a motive jet and a momentum exchange chamber, the suction region between motive nozzle and momentum exchange chamber being provided with a sheath which has a suction orifice below the central jet leading from the motive nozzle into the momentum exchange chamber.

Abstract: An apparatus for applying mortar is provided. The apparatus includes a support sled and a mixer positioned on the support sled. The mixer combines a received dry powder mortar and a liquid, and a pump positioned on the support sled and adapted to pump the mixed mortar and liquid. The apparatus further includes a spray head positioned on the support sled and adapted to receive the pumped mortar and liquid mixture and spray the mixture.

Abstract: Systems and methods for applying substances to target areas are disclosed. The system includes a hood supported by a frame and moveable relative thereto between open and closed positions, and one or more spray heads coupled to the underside of the hood and configured to spray the target area when the hood is in the closed position, the spray heads and the hood configured such that the hood provides a wind barrier for the spray from the spray heads. The system further includes a liquid tank for holding the substance to be applied to the target area, an agitation system for desired mixing of the tank contents, and fluid pathways for delivery of the contents of the tank to the spray heads for application to the target area.

Abstract: A mist generating apparatus (100) is provided. The apparatus (100) has a longitudinal axis (L) and comprises first and second opposing surfaces (140,142) which define a transport fluid nozzle (150) between them. The apparatus (100) also has a working fluid passage (132) having an inlet (130) connectable to a supply of working fluid, and an outlet (160) on one of the first and second surfaces (140,142). The working fluid outlet (160) communicates with the transport fluid nozzle (150). The transport fluid nozzle (150) has a nozzle inlet (151) connectable to a supply of transport fluid, a nozzle outlet (155), and a throat portion (153) intermediate the nozzle inlet (151) and nozzle outlet (155). The nozzle throat (153) has a cross sectional area which is less than that of either the nozzle inlet (151) or the nozzle outlet (155).

Abstract: A spraying assembly is provided for delivering a coating material to a surface. The assembly of an embodiment comprises a mobile support structure, a mixing tank coupled to the support structure and a mixing device connected to the mixing tank. A mixture dispensing assembly has a conduit coupled to the mixing tank and a dispenser through which a flowable mixture is dispensed. The assembly has an hydraulic system having at least one closed hydraulic loop, a hydraulically-driven air compressor coupled to the hydraulic system, and a hydraulic pump assembly coupled to the closed loop of the hydraulic system. The hydraulic pump assembly is configured to pump the mixture at a selected flow rate from the mixing tank to the mixture dispensing assembly, and a remotely-actuated flow control assembly configured to control the flow rate of the mixture to the mixture dispensing assembly.

Abstract: A device for mixing fluid, and powdered, flowable materials, particularly for mixing automotive refinish coatings for use with spray guns, having a first component (3) mounted rotatably on a frame (2), having a second component bearing or forming a mixing product receptacle (4) mounted rotatably on the first component (3) and having at least one drive device for a rotary drive of the first component (3) and a rotary drive of the mixing product receptacle (4), whereby the drive device is preferably designed in such a way that the direction of rotation of the first component (3) is opposed to the direction of rotation of the mixing product receptacle (4). According to the invention the ratio of rotation between the rotational speed of the first component (3) and the rotational speed of the mixing product receptacle (4) being approximately 1:1.1 to 1:2.0, preferably 1:1.3 to 1:1.8, whereby a preferable rotational speed of the first component (3) is approximately 200 to 400 r/min, preferably 250 to 350 r/min.

Abstract: Systems and methods for injecting materials into soil within a predetermined geographical area are described. One or more tanks store chemicals and a mixing chamber in an injector mixes measured quantities of the chemicals. The mixture is introduced to a stream of water and thence to the soil. A controller monitors the flow of chemicals and the stream of water and causes the injector to release discrete predetermined amounts of the chemical mixture into the soil at a sequence of injection points. The controller can provide a pulsed signal to control the volume and rate of delivery of water. The controller may operate according to a treatment plan.

Abstract: An agitated and pressurized paint pot that is mounted directly to a paint spray dispenser uses a small volume pressurized pot with constant agitation. This design prevents the settling of material and ensures that the materials are applied through the system at a consistent feed rate to meet the specific needs of applying radar absorbing materials.

Abstract: An irrigation system for supplying aerated water to plants includes a diffuser. Oxygen is diffused into water by the diffuser to generate aerated water. The aerated water is supplied to an irrigation device which supplies the aerated water to the plants.

Abstract: A passive vapor dispersing device which may be used for freshening or otherwise treating the air, characterized by both rapid and substantially linear delivery of volatizable fragrance or other materials. The device uses a packaged combination of liquid reservoir, wick and emanator which is assembled and shipped with the wick and emanator out of contact with each other, but is activated when the user opens the package and places the wick and emanator in contact. The housing for the device provides guide means for assisting the user in placing the wick and emanator in proper contact, and irreversible lock means for holding the components in contact and preventing access to the wick and emanator once activation has been achieved.

Abstract: Improvements to a portable fire extinguisher where the improvements relate to a system where the owner of the extinguisher can service and maintain their fire protection. Systems in place today require the servicing of a third party. The service companies (third parties) are charged with maintaining the system. Further Improvements include an anti-bridging mechanism that is articulated from the exterior of the chamber to fluff, mix or stir the powder within the chamber to keep it in a liquefied state. The improvements further include a wall mounting bracket that reduces tampering with the extinguisher, an automatic fluffing motor and manual fluffing wheel with a chuck for use with a drill. These features extend the service intervals while maintaining the fire extinguisher in a ready condition. The fire extinguisher is construction of components that are interchangeable and provide equal operation for left and right handed people.

Abstract: A spray device for fluids having a nozzle and an actuator for regulating the fluid flow through the nozzle exit. In addition, a shock wave actuator or HIFU actuator is provided for generating shock waves or HIFU waves in the fluid present in the nozzle.

Abstract: A tank apparatus for mixing paint including a mix compartment, a circulation compartment, a partition between the mix compartment and the circulation compartment, and a transfer assembly in fluid communication with the mix compartment and the circulation compartment, whereby the transfer assembly has an opening to selectively transfer mix paint from the mix compartment to the circulation compartment of the tank apparatus.

Abstract: A bathing system is disclosed. The system includes a water supply line, an injectant supply line for supplying an injectant such as shampoo and conditioner, and an injector for combining the water and injectant and homogenizing the mixture. The system also includes a sprayer, which is connected to the outlet of the injector and is capable of producing a pulsating spray. Additional injectant supply line or lines can also be included. The injectant lines can be combined with a distribution manifold and in turn fed into the injector. In a preferred embodiment, the injector is of a differential pressure type. A bypass path and valve switch water directing to the sprayer for rinsing without mixing with injectant. The injector and sprayer are configured to produce a water-injectant mixture with a consistent mixing ratio over a wide range of water flow rates and pressures while providing pulsating action in either the wash or rinse cycle.

Abstract: The salt slurry clump forming apparatus and process comprise an auger receiving salt and atomized liquid to form a slurry which is deposited on a broadcast spreader to form slurry clumps of generally 0.25? to 1.25? in diameter. Slurry clumps resist movement from roadway and other surfaces by wind and vehicle traffic and deter bonding of ice and snow with a surface. Multiple applications are lessened and road work in removal of ice and snow is facilitated.

Abstract: Disclosed is a portable water-based paint spray apparatus and method of using the same. Argon gas is preferably used both to charge the spray container with pressure and is also used to atomize the water-based paint at the spray receptor.

Abstract: A snowmaking apparatus having a housing having an inlet and an outlet through with fluid is propelled into which liquid droplets and ice crystals are injected to form artificial snow is disclosed. The liquid droplets and ice crystals are injected into the propelled fluid by a structure disposed within the housing proximate the outlet. The snowmaking apparatus also includes an outer ring system that injects additional liquid droplets into the propelled fluid at an inclined angle around the housing outlet.

Abstract: A vehicle is disclosed which includes a chassis and a storage and dispensing apparatus. The storage and dispensing apparatus can be mounted directly to the chassis or disposed within or on a body, which in turn is mounted to the chassis. The storage and dispensing apparatus has an opening therein to permit material to be transported therethrough. A conveyor assembly for selectively conveying materials from the opening of the storage and dispensing apparatus is also included. The conveyor assembly can include a dual auger arrangement. The vehicle includes a spreader chute that is operably arranged with the conveyor assembly to direct the materials to a spreader. A liquid storage system for storing liquid is provided. A liquid dispensing system is provided for selectively dispensing liquid from the liquid storage system.

Abstract: The present invention provides a slurry spraying or installation system (10) including a gun means (12), a spray nozzle (17) and a conduit (16) connecting said gun means (12) to said spray nozzle (17), said gun means (12) including a pump means to move dry particulate towards said nozzle along said conduit (16), wherein between said gun means (12) and said nozzle (17) is a mixing device (20) which receives said dry particulate and mixes same with liquid under a greater pressure than the pressure that said dry particulate is under, so as to form a liquid and dry particulate mixture; said mixture being fed to said nozzle (17) for dispensing to a target.

Abstract: Improvements to a portable fire extinguisher where the improvements relate to a system where the owner of the extinguisher can service and maintain their fire protection. Systems in place today require the servicing of a third party. The service companies (third parties) are charged with maintaining the system. Further Improvements include an anti-bridging mechanism that is articulated from the exterior of the chamber to fluff, mix or stir the powder within the chamber to keep it in a liquefied state. An external pressurized canister allows easier servicing or replacement of the pressurized canister as well as the ability to maintain the chamber in an un-pressurized condition, allowing non-HASMAT shipping. These features extend the service intervals while maintaining the fire extinguisher in a ready condition. The fire extinguisher is construction of components that are interchangeable and provide equal operation for left and right handed people.

Abstract: A portable sprayer having a backpack to which are secured a blower unit and a supply tank. The blower unit includes a drive motor and a blower driven thereby. The blower unit is mounted on the backpack by at least one anti-vibration element. The supply tank, for example for spray agent, is mechanically separated from the blower unit and is also mounted on the backpack by at least one anti-vibration element. A removable, at least approximately rigid connection element is provided for coupling the supply tank and the blower unit together or for isolating them from one another with respect to vibrations.

Abstract: A method and a self-contained, mobile dispensing system, wherein the material to be dispensed is formed by mixing several reactants. A generator provides power to the overall system. Storage tanks are provided for storing the reactants. A chiller unit chills the reactants, and a heating unit heats the reactants. The reactants flow separately through the system until they reach a mix head nozzle operative to combine the reactants. The mix head nozzle has an elongated straight cylindrical shape and includes a plurality of orifices oriented to allow mixing of the reactants in a dispense mode of operation. A metering pump controls and supplies the reactants to the mix head nozzle, in stoichiometric proportions and at predetermined temperature and pressure. A hose connects the mixing tank to the mix head nozzle for dispensing the foam in situ.

Abstract: Improvements to a portable fire extinguisher are disclosed. The improvements allow for frequent and simpler untrained and automatic self servicing of a fire extinguisher. The improvements include an anti-bridging mechanism that can be articulated from the exterior of the chamber to fluff, mix or stir the powder within the chamber to keep it in a liquefied state. Additional improvements include a larger opening to more quickly fill and inspect the powder within the chamber. Another improvement includes the use of a CO2 canister located external to the chamber to allow easier servicing or replacement of just the CO2 canister as well as the ability to maintain the chamber in an un-pressurized condition, allows for non-HASMAT shipping. These features will extend the service intervals while maintaining the fire extinguisher in a ready condition.

Abstract: An irrigation system for supplying aerated water to plants includes a diffuser. Oxygen is diffused into water by the diffuser to generate aerated water. The aerated water is supplied to an irrigation device which supplies the aerated water to the plants.

Abstract: A system for dispensing a medium includes at least a first container to hold the medium, a pressurizing device, such as a pump, in fluid connection with the container for pressurizing the medium, and an agitation mechanism or device to maintain the components of the medium in a mixed state. The container and the pressurizing device can be separate units, as in the case of an bag or bottle in fluid connection with a peristaltic or other type of pump. The container and the pump can also be combined in a single unit, as in the case of a syringe, wherein the syringe barrel of the syringe acts to contain the medium and the syringe plunger pressurizes the medium within the syringe barrel. A method of injecting a multi-component medium includes the step of agitating the medium (for example, as described above) before or during an injection procedure to maintain the components of the medium in a mixed state.

Abstract: A plural component spray gun (1) is designed for spraying quick setting materials such as foams, polyurea and the like. Towards this end, the gun (1) is designed so as to be easily serviceable with a minimum of tools. For example, the side seal cartridges (18) and (20) may be installed and removed without tools by removing the retaining ring (9) and then extracting them from the fluid housing (11). Those cartridges (18) and (20) are easily disassembled and cleaned. Similarly, the fluid housing (11) may be removed from the handle/body (1) by unscrewing the lock ring (7) by hand.

Abstract: A plural component spray gun (1) is designed for spraying quick setting materials such as foams, polyurea and the like. Towards this end, the gun (1) is designed so as to be easily serviceable with a minimum of tools. For example, the side seal cartridges (18) and (20) may be installed and removed without tools by removing the retaining ring (9) and then extracting them from the fluid housing (11). Those cartridges (18) and (20) are easily disassembled and cleaned. Similarly, the fluid housing (11) may be removed from the handle/body (1) by unscrewing the lock ring (7) by hand.