Abstract: A device for filling a reservoir. The device includes a cover portion comprising a septum window, and a bottom portion, the bottom portion configured to attach to a disposable housing assembly comprising the reservoir, wherein the cover portion and the bottom portion are rotatably attached in a locked configuration and wherein in a locked configuration, a septum is obscured through the septum window, wherein when the cover portion and the bottom portion are placed in an unlocked configuration, the cover portion rotates with respect to the bottom portion and the septum is visible through the septum window.

Abstract: A filling aid device for filling a reservoir. The device includes a cover portion comprising a septum window; a slider beam comprising a septum cover; and a first filling aid tab attached to the slider beam, the first filling aid tab in slidable relation to the cover from a first position to a second position, wherein when the filling aid device is in an unlocked position, the septum cover is located below the septum window, wherein when the first filling aid tab is moved from the first position to the second position, the septum cover is moved from below the septum window, and the filling aid device is in the locked position.

Abstract: Capsule containing a substance for the preparation of a potable beverage. The capsule comprises an aluminum capsule body having a side wall and an outwardly extending flange and a sealing member for providing a fluid sealing contact with an enclosing member of a beverage preparation device. The beverage preparation device comprises an annular element having a free contact end which is provided with a plurality of radially extending open grooves. The sealing member comprises a separate crushable element made of aluminum provided on the capsule body at a side thereof, which side is—when seen from the outwardly extending flange—opposite the cover.

Abstract: A method for filling a reservoir a filling assembly having a needle, and a fluid. The reservoir is in a disposable housing assembly with a septum fluidly connected to the reservoir, a septum access assembly having a first position covering the septum and a second position providing access to the septum, and a bias mechanism for biasing the septum access assembly to the first position. The method includes piercing the septum with the needle, inserting fluid to the reservoir through the needle, contacting the filling assembly to the septum access assembly, and removing the needle from the septum. Removing the needle from the septum allows the bias mechanism to move the septum access assembly from the second position to the first position. The disposable housing assembly is attached to a reusable housing assembly.

Abstract: A filling aid. The filling aid includes a locking portion including a groove feature; and a locking feature having a locked and an unlocked position; and a filling syringe holder slidably attached to the locking portion, the filling syringe holder including a filling needle cradle portion having a tongue feature; and a needle housing portion comprising at least one tab having a starting position and a filling position, wherein the groove feature configured to accommodate the tongue feature, and wherein the locking feature interact with the filling syringe holder wherein when the locking feature moves from the locked position to the unlocked position the needle housing portion moves from the starting position to the filling position.

Abstract: A refill package for liquid products, comprising: (a) a rigid outer container comprising an inside face, an opening, and an air intake means; wherein the opening comprises a removable closure and wherein the air intake means comprises a sealable orifice and a sealing mechanism, and (b) a flexible inner body, for containing a liquid product; wherein the flexible inner body is joined to the rigid outer container around the opening.

Abstract: Aerosol-free spray devices are provided. According to some embodiments, a spray device includes a piston operable within a piston chamber and coupled to a vacuum plunger operable within a vacuum chamber. A charger is operable to move the piston and the vacuum plunger in a first direction to generate a vacuum in the piston chamber and the vacuum chamber, thereby drawing liquid into the piston chamber. The vacuum in the vacuum chamber acts on the piston to pressurize the liquid in the piston chamber. A spray actuator is operable to open a spray valve, thereby causing the vacuum in the vacuum chamber to force the plunger and the piston to move opposite the first direction, and forcing the liquid in the piston chamber through a spray nozzle as a liquid spray. According to other embodiments, a spring replaces the vacuum chamber and vacuum plunger.

Abstract: A Two-part, Wall-mountable Electrochemical Dispenser. The dispenser assembly consists of a disposable fluid storage reservoir and a non-disposable dispenser. The dispenser holds an electrochemical gas generator, its associated electronics, and a power source. The generator can be set for fluid delivery rates of between 1 mL/day and 50 mL/day. The system has a battery-determined operational life of about 2 years, assuming rates of up to 2 mL/day and 2 C-size batteries. The fluid storage reservoir is formed by two plastic shells separated by a plastic diaphragm. Gas produced by the generator acts on the diaphragm thereby displacing fluid that is then captured by an evaporation pad from which it can readily emanate into the environment. The reservoir can be removed and discarded after depletion of the liquid, and then replaced by another filled assembly. As needed, the refill holds an anti-theft coded card that prohibits the re-use of the refill.

Abstract: At least one embodiment of the invention relates to a container for a product for dispensing, including a relatively stiff outer container having at least one dispensing opening, and a deformable inner container to be filled with the product which is accommodated in the outer container and which likewise has a dispensing opening. The inner container is connected to the outer container both in the vicinity of the dispensing opening and at least at one location remote therefrom. The connection is formed in that the outer container has an opening through which protrudes at least one fixing element connected to the inner container. This fixing element is pin-like and has an end part of which the dimensions are larger than those of the opening. At least one embodiment of the invention further relates to a method for manufacturing such a container.

Abstract: A system for applying coatings and more specifically paint coatings is provided that combines fluid stored in separate reservoir containers prior to expelling the mixture for application. The reservoirs may be comprised of collapsible and disposable bags that eject its fluid upon activation of an actuator or expanding bladder. The fluid components are combined and blended together in a mixer that is positioned between the reservoirs and a nozzle.

Abstract: The tank comprises a variable volume chamber containing a liquid and defined by a wall; and a piston suitable for moving in the tank under thrust from powder gas at a temperature much higher than that of the liquid in order to decrease the volume of the chamber. The tank also comprises a deformable elastomer membrane pressed against a face of the piston outside the chamber, the membrane being suitable for thermally protecting the wall and for providing sealing between the piston and the wall.

Abstract: A foam dispenser includes a refill unit and a dispenser housing. The refill unit carries foamable liquid and provides a liquid pump portion actuated to advance foamable liquid through the dispenser. The dispenser housing provides an air pump portion actuated to advance air through the dispenser. The air pump portion communicates with the liquid pump portion when the refill unit is properly placed in the housing. The liquid pump portion includes a piston housing that reciprocally receives a piston assembly to define a collapsible liquid chamber. Similarly, the air pump portion includes a piston housing that reciprocally receives a piston assembly to define a collapsible air chamber. Upon actuation of the dispenser, both the liquid chamber and the air chamber collapse and thereby feed air and liquid to an extrusion chamber, and extrude the mixture of air and liquid therein through a premix chamber and at least one mesh screen.

Abstract: A nasal passage washing device includes a pliable body including an open top; and an applicator cap removably attached to the pliable body to cover and uncover the open top. The applicator cap includes an applicator tip having a substantially frustoconical configuration sized and shaped for receipt at least partially within a nostril of a user for sealing engagement therewith, the applicator tip including a hole to transfer washing solution there through, a washing solution transfer tube in communication with the hole of the applicator tip and a bottom of an inside of the pliable body to transfer washing solution from the bottom of the inside of the pliable body to the hole of the applicator tip, and a one-way air valve that only allows air flow into the pliable body through the one-way air valve and does not allow air flow and washing solution flow out of the pliable body through the one-way air valve.

Abstract: A liquid management system comprising a first chamber that has a first boundary wall, and a second chamber that has a second boundary wall. The second chamber has a base surrounded by the second boundary wall and the second boundary wall is within the first boundary wall. The second boundary wall height is lower than the first boundary wall height. The liquid management system also comprises a liquid level control module for controlling i) a first level of the liquid within the first chamber, and ii) a second level of the liquid within the second chamber.

Abstract: A tank base (12) is formed of a mount block (13) and a feed tube (16), and a first paint passage (17) is provided internally through the feed tube (16). A baggy tank (19) is composed of a support member (20) and a bag member (21) having opposite ends thereof securely fixed to the support member (20) to define a paint chamber (22) therein. A second paint passage (23) is provided in a fore end portion (20A) of the support member (20). A tank accommodating case (25) is provided to accommodate the bag member (21). The baggy tank (19) is set in position within the tank accommodating case (25) with opposite ends of the support member (20) gripped between the mount block (13) of the tank base (12) and the tank accommodating case (25), bringing the paint chamber (22) into communication with the first paint passage (17) through the second paint passage (23).

Abstract: A spray gun reservoir has an oversize central opening 130 at one end allowing liquid to be added to the reservoir for fast filling with reduced risk of spillage. A cap member 132 is connectable to the reservoir and has a spout 115 providing a fluid outlet of reduced size relative to the opening 130 for connection to the spray gun. The reservoir can be disconnected from the cap member 132 when it is desired to add liquid to the reservoir. In this way, the reservoir can be re-filled in use.

Abstract: This invention relates to pump-action nozzle devices methods of making the same. The nozzle devices of the invention comprises a body which defines an internal chamber having an inlet through which fluid may be drawn into said chamber and an outlet through which fluid present in the chamber may be expelled from the nozzle. The inlet comprises an inlet valve and the outlet comprises an outlet valve. Fluid is dispensed from the dispenser nozzles by applying pressure to an actuator member that engages and resiliently deforms or displaces a portion of the body of the device that defines the chamber, thereby compressing the chamber and actuating the dispensing of fluid. In preferred embodiments, the actuator provides a rigid actuator surface that an operator can apply a pressure to.

Abstract: A vent for a liquid dispenser includes a vent flange comprising a flange body. The vent body includes a vent wall on which the membrane is applied. The vent wall extends parallel to the geometric axis of the device so as to have a sufficiently large area available for applying the transpiratory membrane and at the same time to limit the space occupied radially by the flange.

Abstract: An airless dispensing pump for liquid products including a push button with a spray nozzle which communicates with a network of channels that is provided locally on the wall of an internal truncated-cone-shaped bore, and a housing. An upper part of the housing includes a dosing cell having an elastically-deformable wall, which is equipped with an intake valve and topped with a rigid collar for fixing same inside the bore of the aforementioned button. Moreover, the outer periphery of the collar has an inclined face which defines a swirl chamber opposite the above-mentioned network, while the inner periphery thereof is quipped with a passage to the chamber.

Abstract: An electrostatic spraying device has a removable cartridge with a reservoir containing a volume of liquid compositions to be electrically sprayed. The reservoir is deformable according to inner pressure and configured to provide a removable cartridge. The device includes a dispensing unit for spraying the liquid composition. The dispensing unit includes a nozzle for dispensing the liquid composition and an emitter electrode which charges the liquid composition for electrostatically spraying the liquid composition out through the nozzle. A suction pump is integrated into the dispensing unit in an immediately upstream relation with the reservoir for feeding the liquid composition from the reservoir to the nozzle. Thus, the suction pump can be concentrated together with the emitter electrode and the nozzle into the dispensing unit on one end of the reservoir, enabling to realize the cartridge of a compact design.

Abstract: A reservoir for use with a spray gun has a body and a flexible diaphragm that define a chamber for liquid to be supplied to the spray gun. The body has an outlet opening leading to a spout connectable to the spray gun and the diaphragm deflects to reduce the volume of the chamber as liquid is withdrawn from the reservoir. The diaphragm gradually conforms to the internal surface of the body as the liquid is withdrawn to prevent pockets forming in which the liquid may be trapped so that substantially all the liquid can be dispensed. The reservoir may be supplied pre-filled with the liquid.

Abstract: A conventional liquid spray gun having a compressed air supply equipped with a liquid, e.g. paint, container for supplying the liquid to be sprayed onto a target surface. The container has a closed bottom, an open top and a cylindrical sidewall. A removable cover is attached over the open top of the container, and the cover has a pair of apertures extending through it, one of which holds a proximal end of a rigid tube whose distal end extends to a point close to the container's bottom. Slidingly mounted on the rigid tube is a generally circular, movable plunger whose periphery engages the cylindrical sidewall of the container. Pressurized air injected through the second aperture in the cover forces the plunger against the liquid's surface and causes the liquid to flow through the lumen of the rigid tube to the liquid inlet port of the spray gun.

Abstract: This invention relates to pump-action nozzle devices methods of making the same. The nozzle devices of the invention comprises a body which defines an internal chamber having an inlet through which fluid may be drawn into said chamber and an outlet through which fluid present in the chamber may be expelled from the nozzle. The inlet comprises an inlet valve and the outlet comprises an outlet valve. Fluid is dispensed from the dispenser nozzles by applying pressure to an actuator member that engages and resiliently deforms or displaces a portion of the body of the device that defines the chamber, thereby compressing the chamber and actuating the dispensing of fluid. In preferred embodiments, the actuator provides a rigid actuator surface that an operator can apply a pressure to.

Abstract: The invention relates to an airless dispenser which is used to dispense low doses of liquid products. The inventive dispenser is characterised in that it consists of: a first part comprising a spray nozzle which is communicated with a network of channels on the wall of an inner truncated-cone-shaped bore, and a second part comprising a deformable container which equipped with a rigid flange for fixing the first part in the aforementioned bore. The outer periphery of the flange comprises an inclined surface which defines a vortex chamber, opposite the above-mentioned network of channels, and which, together with the wall of the first part, forms an internal peripheral outlet groove. The outlet groove is defined radially by a flexible lip forming an inlet valve which is supported by the first or second part.

Abstract: A water spray nozzle assembly includes an internal channel that is sealable by an internal valve having a seat and a disc. A tilting member is operable to tilt the disc at least partially off of the seat, allowing water to flow through the internal channel. The disc may be further tilted completely off of the seat to provide additional water flow through the water spray nozzle.

Abstract: A liquid delivery apparatus includes a vessel having an inlet and an outlet, and a valve between the vessel and the outlet. The valve has an opening, a closure member for closing the opening, and a biasing means to hold the valve in a normally-closed position. A valve control mechanism controls operation of the valve in response to pressure of liquid and air in the vessel. A transmitting means transmits the pressure to the valve control mechanism. The valve control mechanism includes a moveable element that can be acted on by the pressure in the vessel and transmit a resultant force to the closure member to thereby open the valve. The respective effective surface areas of the moveable element and the closure member and the force of the biasing means are chosen such that the closure member is openable when the pressure in the vessel reaches a predetermined level.

Abstract: An assembly for feeding liquid to the inlet port of a liquid spraying device or spray gun. The assembly includes a stiff container that defines an opening into a cavity in the container, and a flexible liner positioned within the cavity in the container has an outer surface generally corresponding in shape to the inner surface of the container, an inner surface defining a cavity in the liner, and an annular lip along the top end of the side wall defining an opening into the cavity in the liner. An included adapter assembly has a central portion with a through opening that is adapted to engage the inlet port of a liquid spraying device, a transverse portion including a peripheral part adapted for engagement within the flexible liner adjacent said top end of the container, and means for sealing the flexible liner around the peripheral part of the adapter assembly. An air supply assembly connected to the container supplies air at a relatively low pressure (e.g., in the range of about 0.

Abstract: A novel fluid supply cup comprises a flexible liner integral with a container having an opening and a vent. A novel method of manufacturing a lined container comprises the steps of molding a container having a vented thick-walled portion and an integral flexible thin-walled liner, and folding the thin-walled liner into the thick-walled portion. Finally, a novel method of applying a fluid comprises the steps of providing a flexible liner integral with a container having an opening and a vent, loading fluid into the liner, engaging the container with a fluid applicator, flowing the fluid out of the liner into the fluid applicator, collapsing the liner, and flowing the fluid of the fluid applicator.

Abstract: A reservoir for use with a spray gun has a body and a flexible diaphragm that define a chamber for liquid to be supplied to the spray gun. The body has an outlet opening leading to a spout connectable to the spray gun and the diaphragm deflects to reduce the volume of the chamber as liquid is withdrawn from the reservoir. The diaphragm gradually conforms to the internal surface of the body as the liquid is withdrawn to prevent pockets forming in which the liquid may be trapped so that substantially all the liquid can be dispensed. The reservoir may be supplied pre-filled with the liquid.

Abstract: The invention is aimed at generating a finely dispersed gas-and-drop flow with its cross-section in the shape of an ellipse and uniform intensity distribution. A fluid spray nozzle is built in the form of a body (1) with two coaxial channels (2) of the same cross-section designed for head liquid supply and a nozzle having a shape of a conical diffuser (3). The diffuser (3) is oriented transverse to the channels, the area of its inlet orifice not exceeding the total cross-section area of the channels. The fire extinguisher fitted with a fluid spray nozzle comprises a liquid vessel (4) for fire extinguishing, a liquid expulsion system, a pipeline (11), connecting a liquid cavity (5) of the vessel (4) to a spray nozzle and at least one valve or a regulator (8) to control the liquid supply to the spray nozzle.

Abstract: A reservoir of super absorbent polymers which can be independently pressurized, remotely stored and a supply of water which is admixed with the SAP at a point closely adjacent of an adjustable nozzle. In one embodiment the system involves a home unit with a portable hand carrided reservoir which can be pressurized. Yet another system involves a back pack carried by a homeowner or firefighter for spraying which can be pressurized. Yet another embodiment involves a reservoir which can be independently pressurized with a pump so that any reduction in the water pressure in a tap line can be overcome by the SAP auxiliary pressure delivery. Other embodiments relate to a portable unit containing both the water reservoir and the SAP reservoir to the end that it is self-contained, and the admixing can be a function of wherever the homeowner, firefighter or rescue person should don the equipment.

Abstract: A fluid dispenser for dispensing fluid in liquid or powder form, the fluid dispenser comprising a fluid reservoir (30) of variable volume, said reservoir defining at least one movable wall (31, 32) that can be moved to vary the volume of the reservoir, the dispenser further comprising a dispensing orifice (311) in communication with the reservoir so that fluid from the reservoir can be delivered through the dispensing orifice when the volume of the reservoir is reduced;

Abstract: A spray container device for a fluid product is disclosed. The device includes a container having at least one compressible wall. A first end of the container delimits a first opening for filling the container with a fluid product. The first opening is sealed after filling of the container. A second end of the container is closed and is capable, prior to the first use of the device, of being opened so as to uncover a second opening through which the product can be dispensed. The device further includes an insert arranged inside of the container. The insert delimits a spray orifice in communication with the product. The spray orifice faces the second opening. The insert is also preferably configured to isolate the product from the first opening prior to the sealing thereof.

Abstract: An assembly for feeding liquid to the inlet port of a liquid spraying device or spray gun. The assembly includes a stiff container that defines an opening into a cavity in the container, and a flexible liner positioned within the cavity in the container has an outer surface generally corresponding in shape to the inner surface of the container, an inner surface defining a cavity in the liner, and an annular lip along the top end of the side wall defining an opening into the cavity in the liner. An included adapter assembly has a central portion with a through opening that is adapted to engage the inlet port of a liquid spraying device, a transverse portion including a peripheral part adapted for engagement within the flexible liner adjacent said top end of the container, and means for sealing the flexible liner around the peripheral part of the adapter assembly. An air supply assembly connected to the container supplies air at a relatively low pressure (e.g., in the range of about 0.

Abstract: A chemical dispensing system including a reservoir, a collapsible container inserted in the reservoir, the reservoir being sealed after the collapsible container has been inserted into the reservoir. A valve is configured to conduct fluid from an external source to a volume formed by the exterior of the collapsible container and the interior of the reservoir. A connecting tube is configured to conduct product from the collapsible container to an applicator when water is provided to the reservoir.

Abstract: A device for dispensing a fluid product includes a reservoir configured to contain a fluid product and a spray orifice associated with the reservoir. The reservoir may include at least one actuating zone having a predetermined threshold resistance to deformation. The actuating zone may be configured to deform in response to pressure exerted on the actuating zone so as to cause the product to be sprayed out from the orifice. When pressure exerted on the actuating zone is less than a threshold pressure Ps sufficient to overcome the predetermined threshold resistance to deformation of the actuating zone, substantially no portion of the product is sprayed from the spray orifice. Actuating zone deformation resulting from exertion of at least the threshold pressure Ps on the actuating zone may persist when the pressure exerted ceases.

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

Abstract: An assembly for making accurate mixtures of liquid components and feeding that liquid mixture to the inlet port of a sprayer. The assembly includes a container of stiff polymeric material comprising a side wall with a frusto conical inner surface, and a bottom wall at the bottom end of the side wall opposite a top end of the side wall that defines an opening into a cavity in the container. A flexible liner positioned within the cavity in the container has an outer surface corresponding in shape to the inner surface of the container, an inner surface defining a cavity in the liner, and an annular lip along the top end of the side wall defining an opening into the cavity in the liner.

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

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

Abstract: An atomizer includes a flexible container body and a nozzle head unit. The container body includes a bellows-shaped surrounding wall, a bottom wall having an outer periphery that is formed integrally with a bottom end of the surrounding wall so as to define a closed bottom end of the container body, and a liquid-containing chamber defined within the surrounding wall and above the bottom wall and adapted to be filled with liquid. The nozzle head unit is attached to a top end of the surrounding wall, and can be operated so as to contract the container body, thereby discharging the liquid from the container body via the nozzle head unit.

Abstract: An atomizer includes a flexible container body and a nozzle head unit. The container body includes a bellows-shaped surrounding wall, a bottom wall having an outer periphery that is formed integrally with a bottom end of the surrounding wall so as to define a closed bottom end of the container body, and a liquid-containing chamber defined within the surrounding wall and above the bottom wall and adapted to be filled with liquid. The nozzle head unit is attached to a top end of the surrounding wall, and can be operated so as to contract the container body, thereby discharging the liquid from the container body via the nozzle head unit.

Abstract: The spray gun includes a primary port for receiving a primary material such as adhesive or similar materials, for dispensing. The spray gun further includes a secondary port to receive an aerosol-based cleaner which is stored in an aerosol container within the handle of the spray gun. The valves associated with the primary and secondary ports are sequenced such that during ordinary depression of the trigger to apply the primary material, the aerosol-based cleaner is momentarily “poofed” through the nozzle to clean the nozzle prior to the application of the primary material. After the primary material has been applied and the trigger is released, the aerosol-based cleaner is again momentarily “poofed” through the nozzle to clean the nozzle.

Abstract: A dispenser device for dispensing a fluid substance in spray form, said device comprising a reservoir (13) containing the fluid substance to be dispensed, and a spray orifice (16), said reservoir (13) including at least one actuating wall (131) that can be deformed by applying a pressing force (F) so as to reduce the internal volume of the reservoir (13) and thus to exert a pressure on the fluid substance so as to deliver it through the spray orifice (16), said dispenser device being characterized in that said at least one actuating wall (131) has a predetermined threshold of resistance to deformation that must be overcome in order to deform it.

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

Abstract: A device is disclosed for the automatic spray application of paint. The device has a paint container and a spray nozzle arranged in close connection and adapted to provide paint from the container to the spray nozzle during the spray application. A dosing apparatus regulates the compression of an external surface against the inner volume of the paint container and thereby forces paint out of the container and into the spray nozzle through an opening of the container. A number of receiving members are adapted to receive and hold the paint container close to the spray nozzle, such that the paint container is detachable and removable from the device when replacing a paint container. The paint container has an elongated feeding tube, at its opening, that is held by the receiving members when the tube is inserted in the nozzle.

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

Abstract: A sprayer apparatus uses a larger canister to contain diluent (e.g. water) and a smaller canister to contain chemical concentrate (e.g. insecticide, fertilizer, soap, etc.). The larger canister has a bladder or diaphragm that separates its interior into two sections; a liquid chamber and a pressured gas chamber. A valved manifold enables diluent to be added to the apparatus via the manifold so that it mixes with the desired chemical concentrate. Mixed solution can then be dispensed via a hose, spray wand, etc. using the pressurized air to drive it out of the larger canister.

Abstract: A method, system and sprayer for applying adhesives, or other coatings, is disclosed herein including a positive displacement pump having an inlet connected through a dispensing nozzle to a reducible volume container. The reducible volume container may be located in a more rigid container such as a cardboard box. As the positive displacement pump is operated, a suction on the collapsible container is drawn by the positive displacement pump. The pump may pump adhesives, or any other fluid material, preferably into an attached hose and through a bayonet type spray wand. The spray wand may have a replaceable tip to alter the spray coverage and may be activated by a trigger.

Abstract: A nozzle for the application of a fluid to a passing substrate in a bead form.