Abstract: A dispensing system comprises a first electronic sensor and a controller. The first electronic sensor may be configured to detect a first change from a first amount of a fluid product in a dispensing system reservoir to a second amount of the fluid product in the dispensing system reservoir. The controller may be coupled to the first electronic sensor and configured to receive a first signal from the first electronic sensor indicative of the first change. The dispensing system reservoir may be disposed in the dispensing system. A method for determining a remaining service interval for a dispensing system reservoir is also provided.

Abstract: A hydration system includes a liquid reservoir, a bottleneck plug, a tube, a hydration valve (e.g., bite valve), and a flow-restricting device (e.g., check valve). The tube comprises a first end for coupling to the liquid reservoir via the plug, a second end having the hydration valve, and the flow-restricting device interposed between the liquid reservoir and the hydration valve. The plug may be inserted into a variety of bottlenecks.

Abstract: An image forming apparatus includes: a display controller that displays an operation screen including a function button for executing a function on a display section; a press determination section that determines whether the function button is short pressed or long pressed; when the press determination section determines that the function button is short pressed, a function execution section that executes the function; and when the press determination section determines that the function button is long pressed, an execute privilege setting section that sets an execute privilege of the function from a plurality of types of execute privileges in accordance with a long press time of the function button.

Abstract: An apparatus for providing an infused or brewed beverage comprises a brewing arrangement which is configured to brew a beverage according to a selected one of a plurality of brewing processes, at least one being a hot brewing processes and at least one being a cold brewing process. The apparatus includes a controller configured to receive a user selection indicative of a required beverage, and to control the brewing arrangement in dependence upon the user selection. The apparatus may for example be used to provide either hot brew or cold brew coffee as required, without the need for multiple machines.

Abstract: A fixed nozzle pump appropriate for food service and dispensing of other fluids of varying viscosities is contemplated. The components are modularly connectable for easy assembly and cleaning. A piston and sealing ring cooperate with the chamber extension formed in the pump body to facilitate reciprocating pump action while minimizing the number of components disposed in and exposed to the fluid flow path. A novel, injection-moldable valve is integrated on the dispensing nozzle. The entire assembly may be disposed within a container shell which itself includes a replaceable pouch filled with the fluid to be dispensed.

Abstract: A dispenser for substances includes an outer shell with a deformable outer wall which encloses the deformable container arrangement and at least one balancing valve for balancing air, wherein an air filled intermediary gap is located between the outer wall and the container arrangement and the dispenser is configured to dispense substances after pressure loading the outer shell, wherein the container arrangement includes at least two containers and a common dispensing head are connected with each other pressure tight in at least one portion, and wherein at least one of the containers includes self-closing filling valves which are configured to be openable by pressure during filling the at least two containers.

Abstract: A wobble plate for a sequentially activated multi-diaphragm foam pump includes three or more wings, a wobble plate shaft, and an aperture located in each of the three or more wings. A first wing is configured to have a first distance from first contact surface of a first pump diaphragm. A second wing is configured to have a second distance from a first contact surface on a second pump diaphragm, and a third wing is configured to have substantially the second distance from a first contact surface on a third pump diaphragm.

Abstract: This invention discloses a separable beverage freshness preserver including a gas outlet assembly and a sealing assembly connected with the gas outlet assembly. The separable beverage freshness preserver is characterized in that the sealing assembly includes a liquid guiding assembly and a bottle stopper assembly connected with the liquid guiding assembly; the liquid guiding assembly includes a cock and a liquid dispensing pipe connected with the cock; and the liquid dispensing pipe is detachably connected with the cock. The liquid dispensing pipe and the like can be separated from a bottle body, and thus, beverages can be placed in a place with a narrow space, such as a refrigerator and the like, and occupy a small space so as to facilitate refrigeration and preservation of beverages.

Abstract: A dispenser for dispensing flowable masses has a reservoir and a modular dispenser pump with an input channel, an output channel and a pump chamber. A head piece is provided and has a dispensing opening and a dispensing channel. The dispenser pump can be inserted into the reservoir and can be connected to the reservoir by a locking connection. The pump chamber is formed by a piston and a cup part. The piston is slidably accommodated in the cup part. The cup part has fastening formations for fastening interaction with an inner wall of the reservoir. The locking connection is provided by two radially outwardly protruding locking beads, which are spaced apart from one another in the vertical direction. The locking beads are designed with an insertion rounding on the reservoir side and with a substantially horizontal contact surface with respect to the longitudinal section on the head piece side.

Abstract: A beverage dispensing system for a vehicle includes a beverage dispenser and a drinking vessel. The beverage dispenser includes a nozzle having an upwardly directed nozzle tube for dispensing a beverage liquid. The drinking vessel is connectable to the nozzle tube and is fillable with the beverage liquid from a bottom side of the drinking vessel. The drinking vessel has a hollow dome which is opened on its bottom and top sides and is formed by a central section of the bottom side of the drinking vessel extending into the drinking vessel interior. The hollow dome is pushed onto the nozzle tube for the drinking vessel to be filled with the beverage liquid from its bottom side. The drinking vessel may be a cylindrical or truncated conical mug in which the central section of its bottom side is curved into the drinking vessel interior to form the hollow dome.

Abstract: An oil suction pump contains: an oil storage cylinder, a pumping mechanism, and a cap. The pumping mechanism includes a body, a drive rod, a plug, and a pressure relief valve. The cap is disposed on the body and the oil storage cylinder, and the cap includes a connector. The drive rod has a press lever, the cap further includes a first air conduit, a first one-way valve assembly, and a second air conduit. The second air conduit has an inlet segment, an outlet opposite to the inlet segment, and a pump segment defined between the inlet segment and the outlet segment and communicating with the oil storage cylinder. The cap further includes a second one-way valve assembly accommodated in the oil storage cylinder and connected with the pump segment, and the second conduit accommodates a pressure reducing valve.

Abstract: A container whose content can be removed easily by a consumer. The container should be inexpensive to produce while being extremely easy to operate by the consumer, should provide a high degree of flexibility with respect to the choice of the propellant gas (pressure and type of gas) and should achieve a long storage life for the contents, even after the container has been tapped. The container comprises a fill chamber (40), a pressure chamber (6) and a pressure valve (10). The fill chamber (40) is formed by a container base (2), a container wall (7) and a container upper face (8), and a first pressure (pB) prevails in the fill chamber (40). The pressure chamber (6) is formed by the container base (2) and a pressure chamber base (5) and a second pressure (pD) prevails in the pressure chamber (6). The pressure valve (10) is connected to the container base (2) and the pressure chamber base (5).

Abstract: A portable hydration system and various components are disclosed. The system utilizes a pump to transfer potable liquid (e.g. water) from a liquid container to a user during challenging activities (e.g. endurance motorcycle riding).

Abstract: A highly accurate and efficient syringe with a valve in a housing has a hollow syringe with a barrel and a hollow tip, a port on the side of the barrel near the hollow tip, and a valve connected to the barrel by the housing, which has a mouth connected to the barrel and a bottle cap suitable for securing to a bottle. The valve is in fluid communication with the barrel through the port and in fluid communication with a bottle of chemicals through the bottle cap end of the housing. The syringe with a valve in a housing is adapted to precisely draw and measure chemicals from a bottle and to precisely dispense the chemicals without spills or drips.

Abstract: A pressure regulation system for discharging a liquid having a predetermined liquid pressure from a liquid opening, including an elastic bag having a liquid phase and a gas phase, where the liquid opening in an operational position of the elastic bag is formed in the lower area of the elastic bag, at least two push elements, at least one drive unit and a control unit. The elastic bag has a gas opening, which extends into the gas phase. The pressure regulation system has a ventilation unit, which is connected to the control unit for communication and which connects to the gas opening of the elastic bag. The ventilation unit regulates the liquid pressure of the liquid discharged through the liquid opening by means of a gas supply into the elastic bag and/or a gas discharge from the elastic bag.

Abstract: In exemplary embodiments of the present invention, “Flairosol” dispensing devices can be provided. Such devices utilize a combination of Flair® technology, pre-compression valves and aerosol-like pressurization of the dispensed liquid. Such a dispensing device has, for example, a main body comprising a pressure chamber, the latter being provided with a pressure piston and a pressure spring. The device further has a piston and a piston chamber which draws liquid from a container, for example, the inner container of a Flair® bottle, and fills the pressure chamber with that liquid as a user operates a trigger in various compression and release strokes. The piston chamber has both an inlet valve and an outlet valve, which serve to prevent backflow.

Abstract: A preparation and dispensing system prepares and dispenses a personalized composition from N reserves (501-502) of active compounds (A1-A2), N being an integer greater than or equal to 1, which is accurate, quick, easy to implement, hygienic and economical. The system comprises a pneumatic-pressure generator (200) connected to a pressure distributor (300) comprising N pressure changeover switches (301-306), each one having at least one inlet (I1) connected to the pressure generator, one inlet (I2) connected to atmospheric pressure and an outlet (311-316) connected to an inlet of a reserve of active compound.

Abstract: This invention provides a manual fluid extractor which includes a liquid storage barrel, a barrel cover, an inflator, a liquid adding pipe base, a liquid extracting pipe, a liquid adding pipe and a control valve. The barrel cover is connected with the liquid storage barrel in a sealing way, one end of the liquid extracting pipe is connected with the liquid adding pipe base, and the other end is freely located at an interior of the liquid storage barrel. The liquid adding pipe is connected with the liquid adding pipe base, and the liquid adding pipe communicates with the liquid extracting pipe. A control valve is disposed at the liquid adding pipe. This invention reduces complexity of an assembly process, improves product performance and reduces manufacturing costs.

Abstract: Technology is provided for an air flow cooling system and self-balancing robot incorporating the same. The robot includes a body, a robot controller disposed in the body, and a pair of axle housings extending from the body, each containing a drive assembly. An arm extends from the body and supports a head unit. A plurality of intake fans are disposed in the body and are configured to draw air into the body, thereby pressurizing the body, axle housings, and head unit. An axle fan is disposed in at least one of the pair of axle housings and is configured to exhaust air from the axle housings.

Abstract: A balloon filling device is provided for filling balloons with air or water. The balloon filling device includes a container for holding fluid, a pump mechanism for pressurizing the container and a trigger mechanism for releasing fluid in the container. The trigger mechanism includes a nozzle for attaching and holding a balloon while releasing pressurized air or liquid within the container into the balloon. The pump mechanism includes a pressure relief valve for releasing air back through the pump mechanism to the outside of the container when the container is over-pressurized.

Abstract: An improved bottle holder may include a supporting board, which has a screw hole configured to connect with a screw to secure the bottle holder on the bicycle, and a lower portion of the supporting board has a supporting piece connecting with an arc-shaped elastic portion on each of both sides of the supporting piece. A limited hole and a through hole partially overlapped with each other are formed on the supporting piece, and the size of the through hole is larger than that of the limited hole, and a protruding edge is formed at a connecting portion of the limited hole and the through hole on each side thereof.

Abstract: The invention relates to an injection device (100, 200, 300) which is capable of resisting proximal movements of a piston rod (107, 207, 307) relative to a housing (102, 202, 302), when the piston rod (107, 207, 307) is subjected to proximally directed forces below a threshold magnitude, and of allowing reversible proximal movements of the piston rod (107, 207, 307) relative to the housing (102, 202, 302), when the piston rod (107, 207, 307) is subjected to proximally directed forces of or above the threshold magnitude.

Abstract: An injector for delivering medicament comprises a collapsible container (1002) for containing the liquid medicament, a normally-closed valve (1004) coupled to the collapsible container (1002) for retaining the liquid medicament within the collapsible container and an injection means (1006) for delivering the liquid medicament from the collapsible container. The liquid medicament is maintained under pressure by a pressurizing means (1003) which pressurizes the liquid medicament such that it is delivered by the injection means (1006) when the normally-closed valve (1004) is opened.

Abstract: A multifunctional electric spray gun, comprising: a handle, a pump, and a plurality of painting components, the pump is connected to the handle, and each one of the painting components can respectively be fastened to the handle in a detachable fashion to form the electric spray gun, the painting component consists of a gun pipe and a paint tank connected with the gun pipe, and the gun pipe is fastened to the handle in a detachable fashion. The multifunctional electric spray gun of the present utility model has the following advantages: the present spray gun comprises a handle and a plurality of painting components, each painting component can be fastened to the handle in a detachable fashion and forms an electric spray gun. While using the spray gun, different paint tanks can be filled with different colors of paints. Painting different colors can be achieved by fastening different painting components to the handle.

Abstract: The invention allows the relaxation of the precision of fitting the inner lid to the cap body while making removal of the inner lid more reliable. In the bottle unit of the tire puncture repair kit that has an extraction cap attached to the mouth portion of the bottle container, the extraction cap is provided with: a first flow channel for taking in compressed air from a compressor into the bottle container; a second flow channel for successively taking out the puncture repair liquid and compressed air from the bottle container; and first and second closing means for closing the first and second flow channels in the pre-coupling state. The extraction cap is provided with a release means for releasing the second closing means and opening the second flow channel when connection occurs.

Abstract: A device for the topical dispensing of a powder, typically a powder medicament, comprises, or is adapted to be coupled to, a powder receptacle and a gasflow generator. The gasflow generator is adapted, in use, to cause gas to flow through the device, which further comprises an agitator by which the powder and/or the powder receptacle can be mechanically agitated. Actuation of the gasflow generator, which causes gas to flow through the device and to entrain powder from the powder receptacle, thereby to dispense powder from the device, is accompanied by actuation of the agitator, causing the powder receptacle to be mechanically agitated, thereby facilitating the release of powder from the powder receptacle.

Abstract: A tank holding a quantity of liquid releasably connects to an electric pump module through a connector to provide a portable sprayer. The tank connects to a feed line that supplies spray nozzle with the liquid. The connector combines a quick disconnect connector with a pressure relief valve. The electric pump module includes an electric pump, a switch assembly, and a check valve. The electric pump module directs gas through the check valve into the connector to increase the gas pressure in the tank and force the liquid in the tank to flow through the feed line and out the spray nozzle. The switch assembly turns off the electric pump when the gas pressure in the tank exceeds a predetermined limit while maintaining the flow of liquid through the spray nozzle.

Abstract: A handheld electric spray gun comprises a gun body, a spray can, a base for connecting the gun body with the spray can, and a housing. A nozzle is provided at the front end of the gun body. The upper portion of the housing is formed with a chamber, and the lower portion thereof is formed with a handle. The chamber is communicated with the gun body and provided with a motor therein. The handheld electric spray gun of the invention adopts a novel motor structure where a stator and rotor assembly is provided on the air-intake side of the blades, that is, the stator and rotor assembly is provided at the air inlet, so that the stator and rotor assembly may be forcibly cooled with cold air, thus the heat dissipation effect is greatly improved.

Abstract: Foam dispenser systems and pumps for use in foam dispenser systems are disclosed herein. A refill unit for refilling a foam dispenser system comprises a container for holding a supply of foamable liquid and a pump housing connected to the container. The pump housing comprises one or more connections for connecting to one or more external air pumps, wherein the air pumps supply air pressure to move the foamable liquid into a mixing chamber and to mix air with the liquid in the mixing chamber and create a foamy air-liquid mixture.

Abstract: A pump dispenser is arranged for dispensing solidous material under a manually-developed pressure, with the dispenser being capable of pumping and mechanically agitating the solidous material in a storage container. The resultant dispensed solidous fluid is provided with more consistent suspended solid concentrations with greater solid particle distribution homogeneity.

Abstract: A product delivery mechanism for a beverage dispensing system that dispenses flavor/ingredients and ice into a serving cup for mixing and/or blending. The product delivery system includes a gas operated pump for moving the flavor/ingredients from a product source to a dispensing nozzle above the serving cup. A gas restrictor is connected to an exhaust port of the pump to regulate gas flow rate and product flow rate so as to prevent splashing at the cup while operating the pump well within its rated pressure limits.

Abstract: A tank sprayer assembly includes a tank component and a subassembly, the tank component having a neck that defines a first access opening. The subassembly includes a sprayer component and a packaging container, the packaging container defining a cavity and having a lower wall defining a second access opening. The sprayer component includes a cap and a pump attached to the cap, the cap and the neck being configured to threadingly engage each other. The tank sprayer is positionable in an assembled configuration and disassembled configuration. In the assembled configuration, the cap is aligned with the second access opening, the neck is extended through the second access opening into the cavity, and the neck and the cap are threadingly engaged to secure the sprayer component to the tank component. In the disassembled configuration, the cap is aligned with the second access opening and the neck is spaced apart from the cavity.

Abstract: The improved portable gas can includes adjustable legs along a bottom surface, which aid in stabilizing the gas can on a floor of a vehicle while in transit. The gas can includes an extension leg that is also located on the bottom surface, and which is able to secure the gas can by engaging between the truck bed surface and the tail gate. The extension leg is comprises of a lateral member and a second member pivotably engaged thereto. The second member of the extension leg is configured to extends and engage in between the truck bed and tail gate of a truck thereby securing the gas can in place while in transit. The gas can further includes a recess handle along a front surface as well as a handle positioned atop of the gas can to aid in manipulating and carrying the gas can.

Abstract: A portable filter container for manually transporting large quantities of a liquid is described. The container includes an extendible handle that allows for easy transportation of the container on a set of wheels. The handle also actuates a pump to provide pressure to the inside of the container in order to force the liquid through a filter. The handle can actuate the pump either using a piston or a lever motion.

Abstract: A quick disconnect device for connecting a sprayer tank to a portable pump assembly has a tubular body with an internal passageway for conveying gas between the sprayer tank and the portable pump assembly. A first plunger member is mounted within the internal passageway of that device for moving reciprocally between the sprayer tank and the portable pump assembly. A second plunger member, mounted within the internal passageway, moves reciprocally between the sprayer tank and the portable pump assembly. A first resilient member urges the first plunger member away from the sprayer tank to prevent gas from flowing into the sprayer tank. A second resilient member urges the second plunger member toward the sprayer tank to prevent gas from flowing out of the sprayer tank. The first plunger member moves toward the sprayer tank to overcome the spring constant of the first resilient member to direct gas from the portable pump assembly into the sprayer tank.

Abstract: A dispenser is provided including a dispenser housing that receives disposable refill units that are to be replaced when empty. The dispenser housing includes an air compressor and an inflation plug. The inflation plug includes a needle having an outlet and further includes a vent valve in fluid communication with the outlet. The inflation plug is fluidly associated with the air compressor such that the air compressor selectively advances air to the vent valve and to the outlet of the needle. The disposable refill includes a container having an interior with a liquid portion and air portion therein. The container further includes a plug receipt, and the inflation plug of the dispenser housing engages the plug receipt such that the outlet of the needle communicates with the interior of the container.

Abstract: A sprayer that includes a tank for containing a liquid pesticide, herbicide, or the like, a pump for pressurizing the liquid contained within the tank, and a hose and wand assembly for dispersing the pressurized liquid onto an area of interest, such as weeds. The tank includes an opening formed through its top surface through which liquid can be poured into tank. A wide mouthed funnel defines the opening to assist in preventing fluid from spilling while being poured. The bottom of the tank is attached to a base unit that provides a reservoir for any liquids dripping on the exterior of the tank, while also providing a flared region in which the end of the wand can be positioned when not in use. A wand retaining clip is attached to the exterior of the funnel to secure the wand while not in use and further to direct the end of the wand into the flared region formed in the base of the unit.

Abstract: A pre-filled vial assembly adapted for dispensing and delivering a fluid includes: a body member having a distal end, a proximal end, and a sidewall extending therebetween defining an interior; and a transitionable stopper disposed within the interior of the body member. At least a portion of the body member is engageable with a source of air or fluid for advancing the transitionable stopper from an initial position to an activated position in which at least a portion of a fluid contained within the interior of the body member is advanced therefrom.

Abstract: The disclosure relates to a sprayer with a reservoir for a fluid, such as for a pesticide, with a pump device for pressurizing the fluid, whereby the pump device includes a pump drive, which is movably coupled to a pump piston by means of a pump connecting rod, whereby the pump connecting rod features a first connecting rod part and a second connecting rod part, whereby in order to connect the first connecting rod part and the second connecting rod part, at least one connecting device is provided, by means of which the connecting rod parts can be interlocked in at least two different latching levels.

Abstract: The invention relates to a method for filling and evacuating a dispenser unit for paste-like, foam-form or liquid media. In the known methods, a storage container is evacuated via a suction pump, which otherwise serves for the delivery of the medium, after filling. The risk exists hereby that medium is drawn in. In order to make the drawing-off process more effective and more reliable, a method and a filling insert for a dispenser unit are proposed according to the invention, wherein at least one air duct is provided parallel to the suction pump. The evacuation takes place by the application of a pressure difference between storage container and the environment, which is just so great that air can in fact be drawn through the air duct but no viscous medium can be drawn.

Abstract: The present invention is directed to a reciprocating motor pump (1) suitable to generate compressed gas with a reduced noise level of at most 55 dB, wherein said pump (1) includes a pump casing comprising:—a gas inlet nozzle (3);—a gas chamber;—a cylinder chamber (4) comprising a piston (5);—an inlet valve (7);—an outlet valve (8); and—a gas outlet port (9); wherein gas enters the gas chamber (2) through a gas inlet nozzle—(3) of said gas chamber (2) and then flows from said gas chamber (2) to said cylinder chamber (2) to said cylinder chamber (4) through an inlet valve (7) of said cylinder chamber (4), whereby the ratio of the diameter of the opening of the gas passage of said inlet nozzle (3) to the diameter of the opening of the gas passage of said inlet valve (7) is 1:15 to 1:5.

Abstract: The invention proposes an improved method and system for carrying a solvent. To this end, the system (10) for carrying a solvent (20) according to the invention comprises: a container (30) for containing said solvent, a tube (40) placed in said container, said tube having a first extremity (41) placed in the proximity of a bottom part (36) of said container, and a second extremity (42) extending up to an upper part of said container, and an air pump (50) for generating an air flow exiting at said bottom part, such that at least part of said air flow can enter the tube at said first extremity, for carrying said solvent in said tube from said first extremity to said second extremity. By generating an air flow by means of an air pump instead of vapor bubbles naturally generated by locally boiling solvent, solvent can reach the second extremity of the tube while having a much lower temperature than the boiling temperature of the solvent.

Abstract: The present invention is a fuel transfer pump for use with standard portable containers of various sizes, shapes, manufacturers and configurations. The fuel transfer pump allows the user to fuel objects higher or lower than the portable container, quickly, without the need to lift the portable container. The core components of the invention are a wheeled framework (cart), clear flexible tubing, fill handle/nozzle (shut-off valve), double-action air pump with hose, and connector sleeve, which, generally speaking, are configured as follows: the connector sleeve attaches and seals the portable container outlet to the tubing, which extends down to the bottom of the container on one end and has the fill handle/nozzle (shut-off valve) at the other end; the sleeve also has a port to attach and seal to the air pump hose to enable pressurizing the container, inducing fuel flow.

Abstract: A foam pump has a spring isolated from a flow path. Due to the arrangement of inner tube and outer tube of the pressing head and a spring installed between the inner tube and the outer tube, in the suction process, the liquid (or emulation) in the bottle flows through the inner channel of the inner tube and thus it does not contact with the outer tube so that the foams will not be polluted by the material spring. The spring is isolated with the foaming flow path so that it does not resist the flow of the foams; the liquid (or emulsion) does not contact the foams so that the foams are not polluted and thus the liquid in a bottle is retained purely; the liquid is not chemically reacted with the material of the spring and thus no harmful object generates.

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

Abstract: A food dispensing apparatus comprises a first shell, at least one second shell disposed within the first shell, a nozzle coupled to the first shell and the at least one second shell, and a check valve disposed in the nozzle and coupled to the at least one second shell. The at least one second shell is suitable for containing a food component. The food dispensing apparatus is suitable for preventing air from entering the at least one second shell.

Abstract: This invention disclosed herein relates to a pump apparatus for use with a liquid container for transferring liquid from a liquid container. It comprises a pump means comprising a manually-operable pump for pumping liquid and formed with a pump chamber through which liquid can be pumped by the pump. It also has an inlet opening for receiving liquid into the pump chamber and an outlet opening for dispensing liquid out of the pump chamber when liquid is pumped through the chamber using the pump. There is a coupling means for mounting the pump means to the opening of a liquid container to permit the gravitational flow of liquid into the pump chamber through the inlet opening when the mounted pump means is placed on ground level and the pump pumped.

Abstract: A bifurcated foam pump assembly for use in foam dispensers. A liquid dispensing portion of the foam pump assembly is attached to and disposable/replaceable with a liquid cartridge for the dispenser. The air compressor or air pump portion of the foam pump assembly comprises a portion of the dispenser itself and is attached to the dispenser housing. Upon replacement of a cartridge, the two portions mate and are operative as a foam pump generator. The liquid portion of the foam pump is received within a liquid chamber by gravity, and is subsequently driven from that chamber by air from the air compressor, which drives both the air and liquid through a foam generating member, such as a sponge or mesh. This foam generating member is a part of the liquid portion of the pump, and is replaced with the cartridge.

Abstract: An air-pump type discharger capable of discharging a dose of contents, such as toothpaste, using pneumatic pressure and a dispenser for daily necessaries including the same are disclosed. The air-pump type discharger includes a housing inserted in a dispenser body, and provided with a plurality of air vent holes around a piston receiving portion formed on a bottom surface of the housing; a piston having a pushing part with an opened lower portion and inserted in an upper opening of the housing, and a connector extending from a bottom surface of the pushing part, inserted in the piston receiving portion, and contacting the bottom surface of the housing, in which an air passage is formed in the pushing part and the connector, through which air passes; and a spring, installed within the housing, for resiliently supporting the piston upwards. Since the discharger is easily detached from the dispenser body, the assembling workability and the recycle of resources can be improved.

Abstract: A pressurized tank sprayer includes a base tank including a neck and a mouth. A lid having a top portion and a depending skirt is positioned upon the tank. Threads are provided on the neck of the tank and engage threads on the depending skirt of the lid in order to secure the lid to the tank. The threads include locking features that prevent the lid from becoming forcibly detached from the tank during removal of the lid if excess pressure remains in the tank. An annular seal is seated in the lid and provides a seal between the tank and the lid. The annular seal includes an annular sealing surface and a concave interior surface. The annular sealing surface contacts the interior surface of the tank while the concave interior surface is exposed to the interior of the tank.