Abstract: A self-priming nozzle device (20) comprising a nozzle sleeve (9), a nozzle body (1) comprising a nozzle body aperture (16), a sleeve portion (15) and an attachment portion (14), wherein the sleeve portion (15) attached to said attachment portion (14), and the sleeve portion (15) of the nozzle body (1) fits in the nozzle sleeve (9), a nozzle stem (3) comprising a stopper (21), an O-ring (4), and a rod portion (23), wherein said stopper (21) attached to said rod portion (23), and said O-ring (4) is positioned around said rod portion (23) near about said stopper (21), and said nozzle stem (3) is placed inside said nozzle sleeve (9) and said nozzle body aperture (16), and said stopper (21) located within said nozzle sleeve (9), a spring loaded component (25) comprising a plurality of washers (2a, 2b), a compression spring (6) and a compression element (5), and said spring loaded component (25) positioned on said rod portion (23) of nozzle stem (3), and said compression element (5) is attached to said rod portion

Abstract: A pressurized aerosol sprayer and method of making, a pressurized aerosol sprayer are disclosed. In one embodiment the aerosol sprayer includes an aerosol sprayer actuator attached to an aerosol container, wherein the sprayer actuator includes an actuator housing, a trigger piece having a trigger and operatively associated with the actuator housing to activate the release of fluid from the container, a nozzle in fluid communication with the container, and a trigger loop encircling the trigger.

Abstract: A pressurized aerosol sprayer and method of making a pressurized aerosol sprayer are disclosed. In one embodiment the aerosol sprayer includes an aerosol sprayer actuator attached to an aerosol container, wherein the sprayer actuator includes an actuator housing, a trigger piece having a trigger and operatively associated with the actuator housing to activate the release of fluid from the container, a nozzle in fluid communication with the container, and a trigger loop encircling the trigger.

Abstract: The invention relates to a spray cap for placement on top of an aerosol container of the type that has a spray valve disposed at the top of the container and a valve stem extending upwardly therefrom for actuating the valve. The spray cap comprises a cap body with a spray nozzle and a tubular member defining a spray channel arranged within the cap body. The spray channel on one end is in communication with the spray nozzle. The tubular member has a first portion which is hingedly attached to the cap body in a region adjacent the spray nozzle. The tubular member furthermore has a second portion which is angular with the first portion and which, when the spray cap is mounted on a container, extends concentrically with the valve stem of the container and is connected therewith.

Abstract: A pump intended to be mounted on a bottle, so as to allow the dispensing of a liquid contained in the bottle, includes a needle for closing an ejection orifice that is separate from a dosing sleeve. The needle is mounted on the sleeve by a device for the reversible movement of the needle between a closure position and an ejection position, the device being actuated by interference between the sleeve and a piston when a push button is moved on a hoop.

Abstract: A single piece actuator includes first and second actuating members. A dispensing orifice is disposed between the first and second actuating members. A manifold is in fluid communication with the dispensing orifice. The manifold includes a base adapted to impinge a valve stem of a container and place same in fluid communication with the manifold.

Abstract: Aerosol spray devices (100) may include one or more actuators (130) located on the sides or on the rear of the device wherein actuation of the one or more actuators disperses product from a container in communication with the spray device. A selector mechanism (150) may be used to toggle between an “on” and an “off” position for the one or more actuators.

Abstract: A pressurized aerosol sprayer and method of making a pressurized aerosol sprayer are disclosed. In one embodiment the aerosol sprayer includes an aerosol sprayer actuator attached to an aerosol container, wherein the sprayer actuator includes an actuator housing, a trigger piece having a trigger and operatively associated with the actuator housing to activate the release of fluid from the container, a nozzle in fluid communication with the container, and a trigger loop encircling the trigger.

Abstract: A valve assembly is provided that includes a cup having a hub with an end wall and an opening therein. The valve assembly includes an annular seal interconnected to a cylindrical valve element by resilient radial ribs extending therebetween that provide for axial movement of the cylindrical valve element relative to the annular seal. The annular seal and cylindrical valve element are disposed within the hub with the top surface seated against the end wall in the hub. The cylindrical valve element is offset above the top surface such that when the annular seal is seated against the end wall the cylindrical valve element is axially displaced and compressed against the end wall to provide a minimum pre-load force effective for sealing off the opening. An actuator having a sleeve is disposed over the hub, and includes a plunger tip projecting eccentrically through the opening for unseating the cylindrical valve element.

Abstract: A valve actuator for a valved container containing a pressurized fluid, the actuator comprising a mounting to attach the actuator to the container, and characterized by a post-expansion chamber in communication with the outlet of the actuator in which residual fluid remaining in the outlet after use can expand, and a separate suction chamber in communication with the outlet conduit via a suction opening to suck residual fluid back toward the expansion chamber.

Abstract: An overcap for a container includes a body having a sidewall. An opening is provided in the sidewall. An actuation mechanism includes an actuator with an elongate button and a manifold. The elongate button extends through the opening in the sidewall. The actuation mechanism is actuable to open a valve of a container by movement of the elongate button in a direction substantially perpendicular to a longitudinal axis of the overcap.

Abstract: Actuator apparatus for spray containers and methods of manufacturing actuator apparatus for spray containers. The actuator apparatus includes a cover having a restraint structure, e.g., locatable below an aperture portion of a push button of a base, to restrict the push button from depression by a user when the actuator apparatus is in a locked position.

Abstract: The invention relates to a spray head for atomising a medium using a pressurised propellant, with a spray head body (10) which comprises a fastening ring (6) and an actuating element (20) movably connected thereto, a holding element (12) which comprises an inlet port (24), an adjoining duct section (26) and a holding section (28), and a duct element (14) which has an outlet port (62) for the medium and which has in at least one section a diameter such that the medium to be discharged atomizes in the flow of propellant, the duct element (14) preferably being a capillary pipe or capillary tube and/or having a constant diameter over its entire length, the duct element (14) being arranged in the holding section (28) of the holding element (12) and, preferably, being bent through approximately 90° in the holding section (28) of the holding element (12) and the holding element (12) preferably being connected to the spray head body (10).

Abstract: A lid spray head for a high pressure gas container is provided. The lid spray head includes an annular surrounding wall having an enclosed space and an opening portion; an L-shaped nozzle disposed in the enclosed space, integrally connected to an inner wall of the annular surrounding wall with a U-shaped elastic arm, and having a connection port and a nozzle port corresponding to each other, wherein the connection port is sleeved on a valve protruding member of the high pressure gas container and the nozzle port protrudes out of the opening portion; and a handle disposed out of the opening portion and integrally disposed at a bottom of the nozzle port of the L-shaped nozzle. When turning the handle, the L-shaped nozzle is integrally turned downwards to contact and press a valve protruding member of the high pressure gas container.

Abstract: The pack comprises a container defining a containment volume containing pastilles or the like, a lid closing off the said containment volume and includes a flap for dispensing the pastilles or the like. The pack also contains a spray dispenser including a sprayable fluid and spray nozzle for dispensing the fluid. The spray dispenser is inserted within the containment volume of the container with the spray nozzle associated with the lid.

Abstract: An aerosol actuation system may include an aerosol actuator formed of a first molded component including a housing, a manifold connected to the housing and a button in communication with the manifold, and a molded cap. The aerosol actuator may be assembled with an aerosol container.

Abstract: A fountain-style carbonated soft drink dispenser includes a housing adapted to attach to a beverage container, an actuator for selectively opening a fluid conduit, and one or more long tubes that vary a pressure drop across the dispensing assembly and convey fluid. The resistance through the tube(s) is decreased as the pressure within the container decreases so as to maintain a substantially constant flow rate throughout dispensing.

Abstract: A fluid dispenser device comprising: a body (10); a reservoir (20) containing fluid; a dispenser member (30), such as a pump or a valve, for dispensing the fluid contained in said reservoir (20) through a dispenser orifice (45); and a cap (50) that is adapted to cover said dispenser orifice (45) in a closed position; said cap (50) being pivotally mounted on said body (10) to turn about an axis (A) between the closed position and an actuation position, said cap (50) including actuator means (55; 56, 57) that are adapted to actuate said dispenser member (30) directly, while the cap (50) is turning towards its actuation position.

Abstract: A tire inflation device includes a bottle having a valve on a top end of the bottle and a top part is mounted to the top end of the bottle. The top part has a frame having a U-shaped groove and the valve extends through top part and located in the frame. A block is movably engaged with the U-shaped groove and has a curved path defined therethrough. A first end and a second end of the curved path are respectively connected with a tube and the valve. An operation member is pivotably connected to the frame so that when pivoting the operation member, the press end of the operation member pushes the block to move along the U-shaped groove and the valve is pushed by the block so that the pressurized air is released via the path and the tube.

Abstract: A housing is formed of a peripheral wall, an upper face and a lower edge. The housing is positionable upon a spray container. The housing has securing members holding the housing to a spray container. A dispensing assembly has projections. The dispensing assembly has aligned apertures. The dispensing assembly has a rotatable member. The rotatable member has a linear region. The rotatable member is received in the aligned apertures. The dispensing assembly has a handle extending from the linear region to a location spaced from a container. The dispensing assembly also has a planar arm secured to the linear region. The arm has a threaded aperture a threaded adjustment bolt. The bolt is rotatably received in the threaded aperture. The adjustment bolt has a lower tip in contact with a head for the depressing of a head and dispensing of contents from a container upon squeezing of the handle.

Abstract: A fluid dispenser head having a fluid duct (73, 61) and a dispenser orifice (83) from which the user can draw the dispensed fluid. The head including a closure mechanism for selectively closing the dispenser orifice (83). The closure mechanism has a closure member (93) that is displaceable between a closed position and an open position. The head also includes a non-rotary portion (6) that is prevented from turning relative to the dispenser member (4), and a rotary portion (7, 8) that can be turned relative to the non-rotary portion (6), and a displacement mechanism (69; 69?) that displaces the closure member (93; 93?) between the closed and open positions while the rotary portion (7, 8) is being turned relative to the non-rotary portion (6).

Abstract: A trigger actuator for a container includes a recess defined by one or more walls that protrude downwardly surrounding an actuating button of an overcap of the container, wherein the trigger actuator is attached to the actuating button. The trigger actuator further includes an aperture disposed in the recess above an outlet in the actuating button and a lever disposed on a side of the trigger actuator. Pressing the lever towards the container forces the walls defining the recess downward displacing the actuating button.

Abstract: An inverted aerosol dispensing device is disclosed having an undercap rotatably secured to the aerosol container with a bottom portion of the undercap supporting the aerosol container on a supporting surface to store the aerosol dispensing device in an inverted position. The undercap is rotatable into a first rotational position for enabling an actuator to discharge an aerosol product in a generally downwardly direction. The undercap is rotatable into a second rotational position for inhibiting the actuator from moving the valve stem.

Abstract: An actuator overcap for producing multiple spray patterns includes a cap having a hub with a lower surface defining a socket and an upper surface defining a chamber fluidly communicating with the socket. First and second barrels extend between the hub and a side wall of the cap to define first and second flow paths. A trigger is pivotably coupled to the cap and includes a seal support. A selector is coupled to the trigger, and includes a user-engageable pad and a seal. The seal is configured to closely fit within the hub chamber and defines a central aperture fluidly communicating with the hub chamber and a first notch extending radially outwardly from and fluidly communicating with the central aperture. The trigger and selector are pivotable with respect to the cap to place the first notch in fluid communication with one of the first and second flow paths.

Abstract: A fluid dispenser head for mounting on a fluid reservoir (1), the head having a fluid dispenser member (2), such as a pump or a valve, having a body (20) that is mounted in stationary manner relative to the reservoir (1), and a valve rod (21) that is axially displaceable down and up; a pushbutton (5, 7) that is axially displaceable down and up, driving the valve rod (21); and a dispenser orifice (60) that is connected to the valve rod. The dispenser head has an actuator mechanism (4) for driving the pushbutton in axial displacement relative to the valve rod (21).

Abstract: A dispensing actuator for use on a container having pressurized contents is configured for convenient one-handed manipulation and use by consumers. The dispensing actuator includes a hingedly moveable flip-open lid, and a laterally moveable opening element, which can be manipulated so that the opening element cooperates with the lid to move the lid from a closed position to an opened position. The present dispensing actuator further includes an inner, downwardly deflectable actuating element, operatively connected with a dispensing valve of the associated container. Resilient, downward deflection of the actuating element, after opening of the dispensing actuator lid, permits the contents of the container to be conveniently dispensed. In one embodiment, the contents of the container are dispensed generally laterally of the dispensing actuator, while in alternate embodiments, the container's contents are dispensed generally upwardly, through the actuating element of the dispensing actuator.

Abstract: A dispenser is provided for use with an associated container having pressurized contents. The dispenser includes a base configured for fitment on the associated container, and an actuator snap-fit to the base for limited, relative rotation with respect thereto. The base of the dispenser includes a nozzle joined in fluid communication with a valve stem of an associated dispensing valve fitted to the container, such that deflection of the nozzle permits dispensing of the pressurized contents of the container therethrough. The actuator cooperates with the nozzle of the base to permit selective movement of the nozzle for convenient dispensing of the container contents.

Abstract: A pump for dispensing a liquid contained in a bottle including a shrunk-fit section including an orifice for communicating with the liquid, a pushbutton including an orifice for ejecting the liquid, a dosing sleeve integrating a needle for plugging the ejection orifice and a device for bi-directional movement of the needle, a dosing piston including a channel equipped with a closing valve for the orifice, the piston being mounted in translation, in a leak-tight manner, inside the shrunk-fit section, between an open position and a closed position of the orifice, by means of the valve, an actuating member integral with the device for moving the needle and slidably mounted inside the dosing piston, by pressing on the pushbutton, the sliding assembly being set up to actuate the moving device and to position the valve in closed position so as to enable ejection of the liquid from the dosing chamber.

Abstract: A device for dispensing, especially atomizing, a preferably cosmetic liquid has a dispensing head which can be manually depressed for dispensing of the liquid and can be turned to set the dispensing direction. In order to ensure simple and reliable handling, the device has a catch arrangement so that the dispensing head can be turned with a catching action. In a preferred embodiment, the catch arrangement has at least one catch cam, preferably several catch cams that are spaced in the direction of rotation. The catch cam or cams engage catch recesses with a catching action, especially radially relative to the actuation direction of the delivery head.

Abstract: A spray cap, also known as an actuator overcap for an aerosol container, has an acoustic seal between the actuator button and the overcap. This acoustic seal is formed by a set of matching sealing lips on the actuator button and also on the overcap, such that they are both oriented horizontally. At rest, the sealing lip of the actuator button rests above the sealing lip of the overcap, but during actuation, the sealing lip of the actuator button deforms the sealing lip of the overcap, which both forms an acoustic seal during actuation and creates the force to return the sealing lip of the actuator button back to its original position after actuation is complete.

Abstract: A nebuliser micro-pump (1) provided with an element (2) for covering and triggering its dispensing push-button (3), has an elongated body (5) with central axis (x), whereon is mounted a dispensing push-button complete with a tube (4) for orienting the spray, rotatable around the axis. The element has a lower fixed half-shell (12) integral with the elongated body and a lower half-shell (17) movable around a hinging axis (y) that is perpendicular to the central axis and offset relative thereto at the opposite side from the tube. The upper half-shell has a protuberance (20) acting on the dispensing push-button in the rotation of the movable half-shell relative to the fixed half-shell according to the arrow (W). The half-shells (12, 17) have respective through openings (15, 23) wherefrom simultaneously projects the tube in two angular positions, one non operative and the other one operative for the micro-pump.

Abstract: A product packaging and dispensing assembly includes one or more containers containing a product. The assembly includes a dispensing device which is movable relative to the container in a swiveling or rocking motion to actuate an actuator rod of the container. In addition, an arrangement is provided which limits displacement of the dispensing device to prevent or minimize movement of the dispensing device in the direction of the longitudinal axis of the actuator rod, and also to limit swiveling movement in a direction opposite to that utilized for actuation of the actuator rod.

Abstract: A combination includes a product container having a longitudinal dimension and a valve oriented to discharge product generally longitudinally therefrom. Valve actuating apparatus extends laterally from the valve in a direction transverse to the longitudinal dimension and terminates at an outer peripheral surface. A housing has a wall that tapers to a discharge opening, and the discharge opening has a size larger than a radius of the container but smaller than the greatest lateral extent of the valve actuating apparatus. The outer peripheral surface is disposed in interfering relationship with the wall when the container is disposed in the housing.

Abstract: An aerosol spray actuator for a pressurized aerosol canister and in particular trigger or button actuated spray actuators having three main parts to simplify the mechanical moving parts of a spray actuator. An actuator button, an actuator base and finally a nozzle piece being inserted at the very end of a product dispensing passage embodied either in the body or the trigger part. A mechanism for permitting and blocking the actuation of the spray actuator is also provided so that inadvertent operation of the actuator can be prevented.

Abstract: A safety razor having a blade cartridge attached to a neck and a replaceable dispenser cartridge adapted for removable attachment to the razor to thereby form a portion of the razor handle or, alternatively, the entire razor handle. The cartridge includes and interior chamber for containing a shaving conditioning compound (e.g., shave cream or shave gel) and a pressurized dispensing gas. A bottom end of the dispensing cartridge, defining a bottom end of the razor handle, is fitted with a valve to control release of the shaving conditioning compound from the cartridge. An actuator assembly controls operation of the valve to selectively dispense a desired amount of the shaving conditioning compound from the bottom end of the razor handle while the razor is held upright in the normal shaving position.

Abstract: An aerosol spray can is provided. The aerosol spray can includes but is not limited to a housing forming a storage chamber, an initial amount of chemical stored in a compressed liquid state within the storage chamber, a valve assembly attached to the housing, and an extension tube connected with the valve assembly at a first end and extending into the storage chamber at a second end. The initial amount of chemical forms a top surface. The general direction of the top surface is perpendicular to the direction of gravity. The valve assembly including a stem forming a central passage through which the chemical dispenses from the storage chamber. The second end of the extension tube remains a distance away from the top surface of the initial amount of chemical regardless of the position of the aerosol spray can.

Abstract: An automatic air freshener spraying device includes a front cover, a base, two air freshener bottles and a press driving device, and a motor of the press driving device is pivotally coupled to the driving gear, such that when the driving gear rotates clockwise or anti-clockwise at the motor, the driving gear with the transmission of the gear set pushes a protruding member at the bottom of one of the left and right sides of a large fan-shaped gear to obtain a larger instant pressing force, and a set of press driving devices are used for controlling the motor to rotate clockwise or anti-clockwise, and either the left or right air freshener bottles is pressed to spray an air freshener from an air freshener nozzle of the left air freshener bottle or the right air freshener bottle, so as to provide a uniform misty spray.

Abstract: The present invention relates to a device for dispensing a cosmetic product, that includes a product dispensing member having a dispensing stem of longitudinal axis Z mounted movably in a body configured to be engaged through an aperture of a container, means for actuating the dispensing member, which can move the dispensing stem relative to the body, a dispensing orifice for dispensing product onto a body surface, a flexible product ejection tube connecting the dispensing stem to the dispensing orifice, in which the actuating means are configured to be actuated by squeezing both sides of a plane containing the longitudinal axis Z of the dispensing stem.

Abstract: A disposable safety razor having an integral shaving conditioner dispenser includes a neck to which a blade cartridge is affixed at a top end thereof and a handle extends downwardly therefrom. The handle is ergonomically shaped and has an exterior wall that defines a pressure cavity therein for receiving a shaving conditioning compound and a pressurized dispensing gas. The handle has an opening at its bottom and a valve received in the opening. The valve is configured to dispense the shaving conditioning compound downwardly through the valve with the razor held upright. A dispensing cap covers the valve and is engaged therewith such that movement of the dispensing cap causes release of the shaving conditioning compound downwardly through the valve and out from a discharge opening in the cap while holding the razor upright with the blade cartridge and neck positioned higher than the handle bottom and dispensing cap.

Abstract: An aerosol spray dispenser is disclosed that includes an outer housing that is circular, oval, or non-oval and in which an active composition to be dispensed is provided and a closure sleeve housing within the outer housing. An inner receptacle is provided within the closure sleeve housing and within the volume of the outer housing and contains a propellant to be dispensed. The inner housing may be concentrically located within the outer housing. An actuator assembly houses a nozzle that has a venturi constriction. A tube extends within the outer housing to provide the passage of active composition from within the outer housing by the venturi effect. A conduit for the passage of a propellant from the inner receptacle to the nozzle is provided. The propellant and the active composition are mixed and dispensed as a spray at a nozzle by action of the venturi effect.

Abstract: An actuator (10, 10?, 110) for a fluid-dispenser container, e.g., an aerosol container (14) or a non-aerosol pump container (114), has in one version (actuators 10 and 10?) a base (18) having a port (20) which receives fluid from the container (14) and dispenses the fluid via a shallow cavity (24, 24?). In another version of the actuator, the actuator (110) has a base (44) and a cover (46) which may be positioned either in a closed or open position relative to each other. In the closed position, fluid is transported through an extended conduit of actuator (110) provided by a base conduit (58) which is connected in fluid flow communication with a cover conduit (70) to discharge fluid through a cover orifice (66). When cover (46) is in the open position, fluid is dispensed via base conduit (58) through a shallow cavity (54) in the same manner as that of actuators (10, 10?).

Abstract: A sprayer actuator, a sprayer, and a method of making the same are disclosed. In one embodiment, the sprayer includes an ergonomic sprayer actuator with a housing having an upper portion, a lower portion for fitting over a can, and a narrowed waist portion between the upper portion and the lower portion.

Abstract: The invention relates to a device which is used for the non-vented dispensing of liquid products from a container including a mobile base, an exhaust conduit and a push element which co-operates with a piston and a return spring. The invention is characterized in that the device includes a sealing and dosing bush bearing a sealing needle valve which can move in translation in a discharge channel in the bush, the needle valve being connected by means of a drive link to an axial guide rod which can slide in the exhaust conduit of the container that is connected to the channel by pressing on the bush and compressing the spring.

Abstract: A head cap for an aerosol type atomizer is proposed in which a residual gas that remains in the container after the use of the aerosol type atomizer is ended are discharged easily and safely, and which is so structured that the aerosol type atomizer cannot be falsely operated while it is being used.

Abstract: This invention provides an aerosol product for use in control of bees or horseflies, and more particularly a horizontal jetting structure aerosol product provided with a grip movably attached to a position orthogonal to an aerosol vessel body when contents are jetted, wherein during jetting when the grip is located at a position orthogonal to the aerosol vessel body, a maximum arrival distance of an effective component is 10 m or longer and a jetted quantity of the contents for an initial 5 sec is 40 g or more, thereby capable of jetting the contents of the aerosol vessel afar and exactly by a simple operation.

Abstract: A process for the manufacture of dispensing apparatus includes moulding a first component including a tubular outlet and moulding a second component about the first component. The first component is moulded in a first material and the second component is moulded in a second material, where the first material comprises a less rigid material than the second material. The first component is moulded with the tubular outlet in an open configuration and the moulding of the second component compresses the tubular outlet to a closed configuration. The tubular outlet is elastically deformable, by the application of pressure to the tubular outlet, from the closed configuration to the open configuration.

Abstract: An aerosol spray actuator for a pressurized aerosol canister and in particular trigger or button actuated spray actuators having three main parts to simplify the mechanical moving parts of a spray actuator. An actuator button, an actuator base and finally a nozzle piece being inserted at the very end of a product dispensing passage embodied either in the body or the trigger part. A mechanism for permitting and blocking the actuation of the spray actuator is also provided so that inadvertent operation of the actuator can be prevented.

Abstract: A device comprises a container includes a dispensing mechanism for enabling pressurized dispensable contents contained within an interior space of the container to be selectively dispensed therefrom. A retention clip structure is attached to an exterior portion of the container and includes a clip portion that is biased to a closed configuration for enabling the clip portion to securely engage a portion of an article for attaching the container to the article. A cap assembly includes a cap body attached to the container and a trigger moveably attached to the cap body. The trigger includes a handle portion and a dispensing mechanism engagement portion attached to the handle portion. The handle portion is movable from a rest position to a displaced position for causing the dispensing mechanism actuation portion to act on the dispensing mechanism such that the pressurized dispensable contents are dispensed from within the interior space of the container.

Abstract: Manual spraying device including a push-button that can be actuated manually, the push-button including a spray nozzle, the spray nozzle having an inner chamber adapted to receive a non-gaseous fluid product under pressure and delimited towards the outside by a perforated front wall, a reservoir for the fluid product to be sprayed, and a dispensing device that can be mechanically actuated by the push-button and adapted to transfer the fluid product from the reservoir to the inner chamber of the nozzle, the front wall having a plurality of calibrated holes, each having a diameter of between 1 and 100 ?m, the diameter of each hole not differing from a mean of the diameters of the various holes by more than 20%.

Abstract: The invention relates to a dispensing device, particularly a dispensing head proposed for preferably cosmetic liquid. A simple, tightly closing structure of an outlet valve is achieved in that a valve element is injected onto a wall and/or lies thereon with its entire surface or flat surface when the valve is closed and/or the valve element covers an outlet opening on the flat side. Alternatively or in addition, the valve element is pretensioned into a closed position when the valve is closed.