Abstract: A target supply device may include a tank including a nozzle, a first electrode disposed within the tank, a first potential setting unit configured to set a potential at the first electrode to a first potential, a second electrode provided with a first through-hole and disposed so that a center axis of the nozzle is positioned within the first through-hole, a second potential setting unit configured to set a potential at the second electrode to a second potential that is different from the first potential, and a charge neutralization unit configured to neutralize a charge of the target material that passes through a first region located between the second electrode and the plasma generation region.

Abstract: Exemplary embodiments of pumps, refill units and dispensers are disclosed herein. Some embodiments include a container for holding a fluid and a pump housing secured to the container. The pump housing includes an annular collar for securing the pump housing to the container. The pump housing includes an air chamber and a vent valve located at least partially within the air chamber. One or more air passageways are provided in the collar for providing air to the air chamber. A compressible liquid pump chamber is also located in the housing. The exemplary embodiment includes a liquid inlet valve for allowing liquid to flow from the container into the compressible pump chamber; and a liquid outlet valve located downstream of the pump chamber.

Abstract: A countertop automatic foam soap dispenser includes an automatic foam soap dispenser body, a soap liquid container, a circular connecting tube and a battery compartment. The soap liquid container is filled with an appropriate quantity of liquid soap. The battery compartment supplies electric power to the automatic foam soap dispenser body. The automatic foam soap dispenser body is passed through the circular connecting tube by a soap transmission tube and installed to the bottom inside the soap liquid container. The automatic foam soap dispenser body includes a foam soap valve, a control circuit board, a sensor, a motor controlled by the control circuit board, and a transmission gear set. When a user's hand approaches a sensor of the automatic foam soap dispenser body, the motor drives a cam of the transmission gear set to rotate and compress a foam soap valve to supply the appropriate quantity of foam soap.

Abstract: A foam pump is disclosed which includes a fluid cylinder, an air cylinder, and a mixing chamber. The mixing chamber includes a fluid throughflow axis, a fluid inlet and an air inlet. The fluid cylinder and the air cylinder both include a stroke axis which is substantially normal to the fluid throughflow axis. The fluid cylinder is adapted to draw a fluid therein in a priming stroke and to pump the fluid into the mixing chamber through the fluid inlet in a dispensing stroke. The air cylinder is adapted to draw air therein in a priming stroke and to pump the air into the mixing chamber through the air inlet in a dispensing stroke. The fluid inlet and the air inlet face in substantially opposite directions.

Abstract: Embodiments of foam dispensers including a housing, an air compressor connected to the housing and an actuator for actuating the air compressor are disclosed herein. The air compressor releasably mates with a refill unit. The dispenser has an “empty state” and a “refilled state.” The empty state occurs when there is not a refill unit positioned in the dispenser, and the refilled state occurs when the refill unit is positioned in the dispenser. The air compressor remains connected to the housing during the refilled state and remains connected to the housing during the empty state. One refill unit for a foam pump dispenser includes a container for containing a foamable liquid and liquid pump housing connected to the container.

Abstract: A device (10) for mixing and dispensing bone cement includes a mixing cylinder (20), in which a mixing plunger (21) is arranged, the mixing plunger (21) being axially movable by an actuation rod (50) guided out in a sealed manner at a first cylinder end (30). A sealing plunger (42) is arranged in a region of the first cylinder end (30), is axially movable on the actuation rod (50) and seals the mixing cylinder (20) in a gas-tight manner. A sterilization plunger (41) is arranged in the region of the first cylinder end (30) between the mixing plunger (21) and the sealing plunger (42), is axially movable on the actuation rod (50) separately from the sealing plunger (42), and seals the mixing cylinder (20) in a gas-permeable manner. The sterilization plunger (41) and the sealing plunger (42) form a two-part plunger system (40).

Abstract: Vented check valves, pumps and refill units for dispensers are disclosed herein. Some embodiments disclose a refill unit including a container for holding a liquid. A pump chamber is secured to the container. The pump chamber is defined at least in part by a one-way liquid inlet check valve, a one-way liquid outlet check valve and at least one wall. The volume of the pump chamber is movable between a first volume and a second volume. The inlet check valve includes a venting recess. The venting recess allows air to flow past the inlet check valve in the opposite direction of the flow of liquid into the liquid chamber.

Abstract: An exemplary foam dispenser includes a housing, a plate located in the housing, a first dispensing wheel located proximate the plate. The first dispensing wheel has a plurality of pinch members and is rotatable about an axis. The exemplary dispenser includes a second dispensing wheel located proximate the plate. The second dispensing wheel having a plurality of pinch members and rotatable about the same axis as the first dispensing wheel. Rotation of the first dispensing wheel is configured to pinch a first flexible tube against the plate and to move a first liquid through the first tube; and rotation of the second dispensing wheel is configured to pinch a second flexible tube against the plate and to move a second liquid through the first tube. The exemplary dispenser includes a motor for rotating the first and second dispensing wheels and a motor controller for starting and stopping the motor.

Abstract: A dispenser used when attached to an opening of a squeeze bottle discharge a content liquid when inverted. The dispenser has a first channel to discharge a straight forward-moving liquid and a second channel to discharge a foaming liquid. The first channel has a first through channel connecting a first inlet for the content liquid to a first outlet. The second channel has a conduit that has an opening at an inner bottom of the bottle, extends to a foaming chamber, serves as an air supply channel, and has an inner diameter; the foaming chamber is connected to the conduit and mixes the content liquid with air to foam the content liquid; and a second through channel connecting the foaming chamber to a second outlet.

Abstract: A dispenser includes a housing holding an assembly, including a liquid reservoir, a pump for dispensing the fluid product, and an outlet nozzle. The pump includes a liquid chamber for containing a dose of the liquid product and a pressurizing device which allows liquid product to be drawn into or expelled from the liquid chamber. The dispenser further includes a shunting chamber including a first aperture allowing flow access to the reservoir, a second aperture allowing flow access to the outlet nozzle, and a third aperture allowing flow access to the liquid chamber. The third aperture is disposed off-axis with respect to the first and second apertures. The shunting chamber further includes a mechanically actuated governing device that has two states, one defining a flow path between the first and third apertures and one defining a flow path between the third and second apertures.

Abstract: A method of generating ozone containing fluid comprising: drawing atmospheric air into an air compartment, generating ozone within the air compartment from air in the air compartment by conversion within the compartment of oxygen in the air within the compartment into ozone to form ozonated air, discharging the ozonated air from the air compartment, mixing the ozonated discharged air with a flowable fluid to form a ozonated fluid-air mixture, and passing the ozonated fluid-air mixture out a discharge outlet. Preferrably the method is carried out in a dispenser utilizing a piston pump to draw air through a corona discharge ozone generator and to draw liquid from a liquid reservoir and simultaneously pass both the ozonated air and liquid through a foam generator to generate foam.

Abstract: Methods and apparatus for dispensing flowable fluids, particularly those which are high viscosity by passing a stream of fluid through an elongate discharge passageway and injecting air into the fluid stream to initiate severing of the stream between an inner portion inward of the injected air and an outer portion outward of the injected air.

Abstract: A device for aerating a liquid, such as wine, includes a cup portion with a cavity that receives an amount of liquid therein, the cavity extending between a proximal opening and a distal opening. A neck portion of the device defines an aeration section in fluid communication with the cavity. Passages in the aeration section extend laterally to an outer surface of the neck portion through which air is drawn into the aeration section. A central passage through the neck portion is in fluid communication with the aeration section and extends to a distal opening of the device. A diffuser element between the cavity and the aeration section has arms that are configured to contact the liquid as it flows from the cavity to inhibit a swirling flow of the liquid so that the liquid passes into the aeration section in a generally vertical and linear manner.

Abstract: A composition for cleaning, in particular for cleansing of the skin and/or mucous membranes, in particular a personal care cleansing composition, to be applied onto tissue paper, in particular toilet paper, and uses thereof. The composition including at least 70% by weight of water, 0.1 to 1% by weight of at least one gelling agent, and 0.1 to 10% by weight of at least one surfactant including at least one foaming surfactant, relative to the total weight of the composition.

Abstract: Under-counter foam dispensing systems and refill units for under-counter mount foam dispensing systems are disclosed herein. An exemplary refill unit includes a container for holding a liquid, at least a portion of a liquid pump, a quick-connect air manifold for releasably connecting to a pressurized air source, an air passage to a mixing chamber and a liquid passage to the mixing chamber. The air inlet is in fluid communication with the source for pressurized air when the refill unit is mounted in the dispensing system and disengages from the pressurized air source when the refill unit is removed from the under-counter mount foam dispensing system.

Abstract: Embodiments of lost motion foam pumps are disclosed herein. One exemplary embodiment includes a liquid chamber, a liquid piston movable in the liquid chamber, an air chamber and an air piston movable in the air chamber. The air piston is linked to the liquid piston. A connector is linked to the air piston or the liquid piston. The connector includes an engagement member for connecting to an actuator of a foam dispenser. Movement of the actuator in a first direction moves the liquid and air pistons to contract the liquid chamber and the air chamber. Movement of the actuator a first distance in a second direction does not move the liquid piston or the air piston; however, continued movement of the actuator a second distance in the second direction moves the liquid piston and the air piston and expands the liquid and air chambers.

Abstract: Exemplary embodiments of dispensers are disclosed herein. One exemplary dispenser is a soap or sanitizer dispenser. The dispenser includes a housing. A removable and replaceable concentrate container for holding concentrated soap or sanitizer is located within the housing. A concentrate pump is in fluid communication with the concentrate container. A diluent container for holding a liquid is also located within the housing and a diluent pump for pumping the diluent is also included. The dispenser includes a mixing chamber in fluid communication with the concentrate pump and the diluent pump. The dispenser includes an outlet. When concentrated soap or sanitizer is pumped from the concentrate container, it mixes with diluent pumped from the diluent container to form a diluted mixture. The diluted mixture is dispensed at the outlet of the dispenser.

Abstract: Improved therapeutic sclerosing microfoams and methods and devices for making them are provided that have advantage in producing a consistent profile injectable foam with minimal input by the physician yet using high volume percentages of blood dispersible gases, thus avoiding use of potentially hazardous amounts of nitrogen.

Abstract: Disclosed is a foaming pump. The foaming pump includes a cylinder which receives contents discharged from a container and air introduced from outside, an open/close unit which opens or closes the cylinder, a head unit which is movable up or down and operates the open/close unit, and a cover unit coupled to the cylinder and the head unit to allow the head unit to move up or down therein. Thus, it is possible to generate and provide soft and minutely uniform foam.

Abstract: The inventive system and method advantageously enable superior preserved storage and selective dispensation of liquids by storing wine (or other liquids) in a pressurized environment to ensure that the stored liquid does not come into contact with air, and then by selectively dispensing a portion of the stored liquid, in accordance with a desired dispensing regime, by utilizing a controlled source of pressure force to apply a sufficient pressure to the pressurized environment to expel the desired volume of the liquid in a pressurized stream directed to a dispensing pouring interface through a conduit or equivalent delivery system. In at least several novel embodiments thereof, the system and method of the present invention are configured for use with wine-in-bag (“WinB”) products.

Abstract: An anti-leakage liquid soap valve structure includes a liquid soap conduit, an air conduit and a foam discharging tube. The liquid soap conduit includes a soap entering tube for receiving liquid soap, a soap discharging tube communicating with the soap entering tube and having a liquid soap chamber, a liquid soap exit, and a soap discharging valve. The soap discharging valve includes an elastic washer disposed at the liquid soap exit, and a pressing member to press against the elastic washer. The air conduit includes an outer housing forming an air chamber with the liquid soap conduit, an air exit located at one side of the air chamber, and an air supply valve linking with the soap discharging tube. The foam discharging tube includes a gas-liquid mixing chamber located at the liquid soap exit and the air exit, and a foam exit communicating with the gas-liquid mixing chamber.

Abstract: Liquid-dispensing systems that include integrated aeration systems to aerate a liquid while the liquid is being dispensed are described. Integrated aeration systems enable seamless aeration of a liquid during dispensing. In one aspect, a liquid-dispensing system includes a liquid-conditioning dispenser with an integrated aeration system composed of one or more channels that convey a fluid to mix with a liquid as the liquid is dispensed. The aeration system also includes an aeration switch used to open and close the channels and regulate the amount of the fluid that mixes with the liquid. The liquid-dispensing system also includes a pump and control system to apply pressure on a reservoir that contains the liquid. The pressure forces the liquid from the reservoir to the dispenser via a liquid supply line.

Abstract: A manually-actuable, non-aerosol dispenser to be used with a personal care composition having a relatively higher viscosity that gives a desired foamed composition generated from a manually-actuable, non-aerosol dispenser.

Abstract: A foam spray head assembly includes a press head connected to a cap, a netted tube, a valve member, a main tube, a piston unit, a link unit, a resilient member, a cylinder unit and a valve. The netted tube is connected to the valve member. An outlet is defined between the first link of the link unit and the first tube. An inlet is defined between the second link of the link unit and the protrusion of the piston unit. The resilient member is mounted to the second tube and contacts the flange of the second tube. The first piston of the cylinder unit is movable in the first cylinder to form a sealed second chamber. The second piston of the cylinder unit is movable in the second cylinder to form a sealed third chamber. The valve is located in the passage of the second cylinder.

Abstract: A manually operated product dispenser includes a user interface which operates via a linkage mechanism on a dispensing mechanism. The linkage mechanism transfers displacement from the user interface to the dispensing mechanism but incorporates resilient means permitting the user interface to be operated to the full extent permitted by the interface, but transmitting to the dispensing mechanism only as much of the operation of the interface required to permit the dispenser mechanism to dispense a predetermined amount of product.

Abstract: Disclosed is a foaming pump mechanism for dispensing a foamable or foaming liquid composition, as well as dispensers for delivery of a foaming or foamable liquid composition therefrom which is operable by a non-contact interaction with the user. The foaming pump mechanism includes an improved foam recovery means.

Abstract: A hand cleaner dispenser to dispense ozone containing fluid onto a user's hand including an ozone generator generating ozone from atmospheric air by conversion of oxygen in the air in the ozone generator into ozone to form ozonated air and a pump mechanism to draw air into the ozone generator and discharge the ozonated air from the ozone generator to a mixing chamber simultaneously with the pump mechanism drawing fluid from a reservoir and discharging fluid into the mixing chamber.

Abstract: The invention relates to a device for the production of foam by emulsion of a liquid substance (9) placed in a reservoir (1+2) consisting of a deformable resilient sealed container (1) and an end piece (2), wherein the device is hand-held and produces foam when a manual pressure is exerted to deform the container (1). The device according to the invention comprises a magazine (5) which includes two orifices (51,52) enabling exchanges of air and liquid substance between the reservoir and the magazine; a non-return valve (54) being associated with the second orifice, in such a way as to keep a quantity of liquid substance permanently in the magazine. The device according to the invention makes it possible to obtain a quality foam, in a very responsive manner and in a controlled quantity, quasi-independently of the force or of the period of the manual pressure. The dimensioning of the magazine (5) enables an optimal respiration of the reservoir between two manual presses.

Abstract: Disposable refill units, and pumps for disposable refill units for foam dispensers are disclosed herein. Exemplary embodiments include a container for holding a foamable liquid and a pump secured to the container. The pump includes a liquid chamber formed between a liquid inlet valve and a liquid outlet valve. In addition, the pump includes a sleeve that is located at least partially within the liquid chamber. One or more liquid passages are defined at least in part by an area located between an exterior wall of the sleeve and a wall of the liquid chamber. The pump also includes a piston body having a head and a sealing member located at a first end of the piston. The sealing member forms a seal against the interior wall of the sleeve and the piston head moves within the sleeve to reduce and enlarge the volume of the liquid chamber.

Abstract: A foamer for use in dispensing a liquid product with a foam consistency includes a top cap, a closure, a housing, an air-flow diaphragm, a mesh screen and a valve structure. The closure includes a portion which is received by the cap and these two (2) cooperate to define a foam outlet. The housing is assembled into the closure and the diaphragm is assembled into the housing. The mesh insert is positioned adjacent the foam outlet. The valve structure is provided in two (2) embodiments, one being a duckbill valve with a corresponding holder and the other being a metering valve with a corresponding holder.

Abstract: Disposable refill units, and pumps for disposable refill units for foam dispensers are disclosed herein. Exemplary embodiments include a container for holding a foamable liquid and a pump secured to the container. The pump includes a liquid chamber formed between a liquid inlet valve and a liquid outlet valve. In addition, the pump includes a sleeve that is located at least partially within the liquid chamber. One or more liquid passages are defined at least in part by an area located between an exterior wall of the sleeve and a wall of the liquid chamber. The pump also includes a piston body having a head and a sealing member located at a first end of the piston. The sealing member forms a seal against the interior wall of the sleeve and the piston head moves within the sleeve to reduce and enlarge the volume of the liquid chamber.

Abstract: Foam dispensers, refill units for foam dispensers and liquid pumps for use in foam dispensers are disclosed herein. A refill unit for refilling a foam dispenser system is also disclosed herein. The foam dispenser has an air compressor secured thereto and the air compressor is not disposed of with the refill unit. The refill unit includes a liquid pump and a container for holding a foamable liquid that is connected to the liquid pump. The liquid pump includes a pump housing and a mixing chamber having an inlet check valve and an outlet check valve. The mixing chamber has an extended position with a first volume and a contracted position with a second volume. The pump housing includes an aperture therethrough configured to receive air from an air compressor that does not form part of the refill unit. One or more one-way sealing members are located within the pump housing between the aperture and the mixing chamber for preventing liquid from passing through the aperture in the pump housing for receiving air.

Abstract: An exemplary embodiment of a dispensing system includes a dispenser housing and a replaceable refill unit. The replaceable refill unit has a container that has a neck portion and a horizontal foam pump. The pump has an inlet orientated along an inlet axis and an outlet orientated along an outlet axis. A fluid passage extends from the pump chamber to the outlet. The inlet axis is offset from the outlet axis and the outlet axis is located closer to the front of the dispenser. An actuator is also located within the housing. In addition, an air compressor and an air passage to direct air into the fluid passage to mix the air with the fluid are included. The actuator is configured to drive the horizontal pump toward the front of the dispenser to dispense a fluid in the form of a foam.

Abstract: Foam dispensers having integral air compressors with connectors to connect with a disposable refill unit, disposable refill units and liquid pumps are disclosed herein. A refill unit includes a container and a liquid pump. The liquid pump includes a liquid chamber defined at least in part by a liquid inlet valve and a liquid outlet valve. A piston that reciprocates horizontally in the liquid chamber. A mixing chamber is located downstream of the liquid chamber. The mixing chamber is in fluid communication with the liquid chamber and has an air inlet. A sanitary seal is located proximate the air inlet to prevent liquid from contaminating the air compressors.

Abstract: A foamer for use in dispensing a liquid product with a foam consistency. The foamer including a dispensing cover defining a foam outlet, a closure including a valve seat and being assembled with the dispensing cover, a mesh screen constructed and arranged for receiving a mixture of liquid product and air and being received by the closure and a housing assembled with the closure. The housing including a valve seal which is constructed and arranged to cooperate with the valve seat for managing air flow and a air channel insert which is received by the housing for directing air into a flow of liquid product.

Abstract: An evaporator includes a vaporization chamber having a monomer inlet and a vapor outlet. There is a vapor nozzle in the vapor outlet. The evaporator also includes a collar positioned between the vaporization chamber and the vapor nozzle which increases the pressure in the evaporation chamber while the conductance through the nozzle is substantially unchanged.

Abstract: Exemplary embodiments of inverted dispenser systems and refill units are disclosed herein. An exemplary dispenser includes a dispenser housing and an actuating lever. A rack is engaged by the actuating lever. An actuator carriage is included that is movable back and forth in a linear motion. The rack is linked to the actuating carriage and the rack is movable back and forth in a linear motion. Movement of the rack toward the back of the dispenser causes the actuator carriage to move toward the front of the dispenser.

Abstract: A foam spray head assembly includes a press head connected to a cap, a netted tube, a valve member, a main tube, a piston unit, a link unit, a resilient member, a cylinder unit and a valve. The netted tube is connected to the valve member. An outlet is defined between the first link of the link unit and the first tube. An inlet is defined between the second link of the link unit and the protrusion of the piston unit. The resilient member is mounted to the second tube and contacts the flange of the second tube. The first piston of the cylinder unit is movable in the first cylinder to form a sealed second chamber. The second piston of the cylinder unit is movable in the second cylinder to form a sealed third chamber. The valve is located in the passage of the second cylinder.

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 dispenser comprises a liquid piston and a gas piston coupled for movement. The pistons are mounted for movement relative to one another to define a mixing chamber therebetween. An actuator simultaneously moves the pistons in a first direction such that the air piston delivers air from an air chamber to the mixing chamber and the liquid piston delivers a liquid from a liquid chamber to the mixing chamber where the air and liquid are mixed in the mixing chamber to create a foam. Movement of one of the air piston and the liquid piston is stopped such that the pistons move relative to one another such that only air is delivered to the mixing chamber. The movement of the pistons in a second direction draws residual foam from a delivery tube and delivers the residual foam to the air chamber.

Abstract: A kit of parts for dispensing a liquid contained in a container is disclosed. The kit includes a pressure driven dispensing appliance. The pressure driven dispensing appliance has a device for receiving a container containing a liquid to be dispensed. The appliance also has a device for dispensing the liquid from the container, when mounted in the appliance, a chamber containing a solid adsorbent suitable for adsorbing air, and a device for fluidly connecting the chamber with the interior of the container, when mounted in the appliance. An air compressor releasibly connectable to the chamber is also included.

Abstract: Devices and methods are disclosed for extracting fluids from within a container sealed by a cork or septum without removal of the cork or septum or the contamination of the fluid within the container by reactive gases or liquids. Embodiments of the device can include a needle connected to a valve which is in turn connected to a source of pressurized gas for displacing the fluid. Further embodiments of the device can comprise additional components that act to force the needle to be inserted through the cork or septum along a linear path, to aid in preventing buckling of the needle, to clamp the device to the container, to prevent expulsion of the cork or septum from the container, and to guide the needle through a specified region of the cork or septum. Various valves, pressure regulators, pressure ranges, needle geometries, gas selections are also presented. This device is particularly suited for the dispensing and preservation of wine.

Abstract: A iodine liquid soap dispenser having a reservoir containing an iodine solution. The dispenser has a head communicating with the reservoir capable of delivering the solution to the exterior of the reservoir in the form of foam. The solution comprises water, iodine and iodide, and contains iodine in a range of concentration between 0.35% and 0.05% by weight of the solution. The solution may also contain one or more of the following: an anionic surfactant, Hydrogen Iodide, glycerine, and sodium hydroxide.

Abstract: An antimicrobial cleansing composition including (a) 20 to less than 60 wt. % of at least one alcohol selected from ethanol and propanol; (b) 0.5 to 10 wt. % of a surfactant selected from sulfate salt surfactants and amphoteric surfactants. The composition shows effective cleansing and antimicrobial properties. Hence, using this composition, it will no longer be required to provide in hospitals two separate dispensers one for foam soap and one for antimicrobial alcohol-based composition. The antimicrobial cleansing composition can be used for making foam. Also, a dispenser contains the above antimicrobial cleansing composition.

Abstract: A device for dispensing liquids in the form of foam. The device including a foam engine having a gas inlet, a liquid inlet and a foam discharge. The device also including a valve between the environment and the interior of the device container.

Abstract: A manually-actuable, non-aerosol dispenser to be used with a personal care composition having a relatively higher viscosity that gives a desired foamed composition generated from a manually-actuable, non-aerosol dispenser.

Abstract: A foam dispenser is formed by modifying a standard reciprocating piston liquid pump having a reciprocating piston that is pressed to dispense liquid at an outlet. A holding chamber membrane surrounds the reciprocating piston and the outlet to define a holding chamber such that liquid dispensed at the outlet gathers at the bottom of the holding chamber. Pressing on the holding chamber membrane actuates the reciprocating piston liquid pump to dispense liquid into the holding chamber and also forces air and a portion of the liquid gathered in the holding chamber into an through a dispensing spout communicating with the holding chamber. The air and liquid are mixed at a foam media to create a foam product dispensed at an outlet of the dispensing spout.

Abstract: One embodiment discloses a dispenser having a liquid container for holding a liquid, a liquid pump for moving the liquid from the liquid container to a first outlet, a grit container for holding grit, and an air pump for moving the grit from the container to a second outlet. The dispenser includes an actuator for actuating the liquid pump and the air pump. During operation, the liquid pump dispenses a liquid and the air pump causes air to flow through a first passageway into the grit container causing at least some grit to flow through a second passageway, out of the second outlet and into the liquid.

Abstract: Dispensers are provided including pumps for dispensing a foamed product out of an outlet provided in a dispensing tube. The foam is created from the mixing of a foamable liquid and air, with separate pumps being provided for each component. The dispensing tube is stationary, although the pumps themselves have parts that must move to dispense the foamed product. A single actuator operates both the liquid and air pumps. Additionally, in some embodiments, the air pump advances air before the liquid pump advances liquid. These pumps are particularly suited to the dispensing of a foamed skin care or skin sanitizing product.

Abstract: A foam production pump includes a button (110) having an outlet port (112), a housing (120), a closure (130) for mounting the housing to a container, a stem (170) performing an up-and-down motion, a shaft (150) mounted in the lower part of the button, a foam net (158) for producing foam, a housing cap (140) for isolating an air space and a solution space of the housing from each other, an air piston (126), a solution piston (180) mounted at the outside of the stem, an air valve (128) for opening and closing a piston air hole, a first compression spring (160) disposed between the shaft and the solution piston, a second compression spring (165) disposed between the shaft and a support groove of the housing cap, and an opening and closing member (200) for opening and closing a lower end inlet port of the housing when pumping.