Abstract: A pump dispenser suitable for striped toothpaste, comprising a pump head [1] and a replaceable reservoir [2] for the toothpaste, in which the toothpaste is packed in radially disposed segments, and the reservoir is locked against rotation relative to the pump head.

Abstract: A piston displacement condiment pump for pumping viscous fluids, especially condiments such as catsup, mustard, mayonnaise, relish, sauces and the like, is disclosed The pump is constructed mostly of stainless steel and includes an inflow chamber with a ball valve, an outflow chamber with a ball valve, and a spout. The pump includes an optional method for limiting the amount of condiment delivered with each stroke of the pump. The spout is held in place with a unique pin and slot arrangement, and by the unique position of the outflow chamber in relation to the cover. There is also a novel spring wire clip which restrains the ball valve in the outflow chamber.

Abstract: An improved extruding mechanism for auto soap dispenser which comprises, a soap dispenser equipped with an under outlet, a sleeve positioned underneath the dispenser, an output port locating at the bottom of the sleeve, and there is a valve seat which is installed inside the sleeve and therein sliding up and down, more particularly the valve seat consists of a disk block which includes several circulated holes and a mandrel, therefrom the mandrel on the top of valve seat is inserted with a spring and moreover the mandrel at the bottom of valve seat is equipped with a diaphragm; and there is a side tube positioned on the flank of sleeve and thereon connected to an extruding hose, and a link that pivoted at external end of the extruding hose is also pivoted by a motor driven eccentric wheel at its opposite end; according to the structure described above, the elastically reciprocating motion on the extruding hose which caused by motor driven eccentric wheel will put the squeeze on valve seat and then have it sli

Abstract: The present invention relates to an enhanced micropump for the nebulization of fluids. The micropump, mounted on a bottle cap, comprises a hollow body and a set of stem and piston such as to constitute a "metering chamber" in the body. The set, protruding outside the body, is joined with a dispensing push-button fitted with a nebulization element. Pressing the dispensing push-button allows the passage of the fluid to be nebulizer from the "metering chamber" to an exit duct for the fluid itself, comprising a "compression pre-chamber" in the dispensing button and passages from the chamber to the nebulization element. A metering valve is obtained by interposing, in said fluid exit duct, an elastically deformable shutter positioned in a cylindrical seat in the top end of the set.

Abstract: Disclosed is a spray package having a container body, an actuator, and a shroud between the container body and the actuator. The actuator has a nozzle, and is adjustable between a locked position and an unlocked position by rotation of the nozzle about the actuator's longitudinal axis. The unlocked position allows vertical movement of the actuator for dispensing product from the package, and the locked position prevents vertical movement of the actuator to prohibit dispensing of product from the package. The locked position simultaneously provides cooperation between the nozzle and an anti-clog member, connected to and extending above the shroud. The anti-clog member has a nozzle seal on its inside surface which inhibits clogging of product within and about the nozzle when the seal is in contact with the nozzle.

Abstract: A dispenser for dispensing products such as liquid antimicrobials is described. The dispenser includes a bracket/actuator assembly and a container assembly. The dispenser includes a novel mechanism for attaching the container assembly to the bracket/actuator assembly and also includes a novel valve assembly.

Abstract: A pump dispenser is described for dispensing a product through a pumping mechanism that draws product from a storage container upwards through a dip tube, across a check valve, into a collecting chamber from which it is dispensed through a one-way monitoring valve and exits a nozzle. Flow is initiated by compression of a domed elastomeric wall covering the collecting chamber. A vent system of conduits including a conical ring valve brings air into the container to equalize pressure upon release of compression against the elastomeric wall. The one-way monitoring valve, downstream from the collecting chamber, may be formed as a duckbill valve of elastomeric rubber having an exit slit at the dispensing end. This slit, normally closed, will open upon pressure from a product flow. Excellent control of dispensing amounts is achieved through the pumping mechanism.

Abstract: In a liquid dispensing container for dispensing liquid from the liquid storage chamber through the dispensing port, an elastic member, which is normally closed but is opened by the pressure of liquid, is disposed at the dispensing port and the opened part of the elastic member opened by the liquid pressure is used as the dispensing port.

Abstract: A system for disconnecting the pump mechanism of the fill system that allows for the removal of the pump mechanism or access to the internal components thereof without removing the supply and dispensing components from the fill system. The disconnect mechanism allows for a valve assembly to be separated from an inlet or outlet to the pump mechanism while the pump mechanism is supported by the mechanism. One disconnect mechanism includes a base, a lifting plate, a cam to move the lifting plate with respect to the base in order to separate the valve assembly from the pump mechanism. Another disconnect mechanism employs a pivot arm having a first end connected to the pump mechanism and a second end in fixed engagement with the valve assembly thereby allowing for the separation of the valve assembly from the pump mechanism.

Abstract: A fluid-operated dispensing device 10 includes a vessel 12 for defining a chamber 14 in which fluid is received. The vessel 12 also defines an inlet 18, a first outlet 24 and a second outlet 26. The inlet 18 has a greater cross sectional area than that of the second outlet 26. A first closure 28 is operatively arranged with respect to the inlet 18. The first closure 28 moves into an open position when pressure at the inlet 18 is greater than pressure within the chamber 14. The first closure 28 moves into a closed position when pressure within the chamber 14 is at least equal to pressure at the inlet 18. A second closure 50 is operatively arranged with respect to the second outlet 26. The second closure 50 moves into an open position when pressure within the chamber 14 is greater than pressure at the inlet 18. The second closure 50 moves into a closed position when pressure at the inlet 18 is at least equal to pressure within the chamber 14.

Abstract: An atomized liquid dispenser applicable to the stem of manually operated pumps for dispensing a liquid enclosed in a container, the dispenser having an elongate chamber housing a movable piston from which there projects an appendix urged by a spring towards a discharge or dispensing nozzle, a portion of the appendix being insertable into and sealedly movable within a cylindrical seat in an insert in which there is provided the nozzle opening into the seat, a stop element being provided for retaining the piston, when in its rest position, with the free end of the appendix spaced from the end of the seat in the insert.

Abstract: An assembly including a pump attachment particularly adapted to form an nonaerosol pump sprayer, and a method of using the same. The apparatus desirably includes an attachment having a pump sprayer which is pressurized on the upstroke enabling the sprayer to be shipped and stored in a relaxed position. The assembly incorporates a grip including a handle portion having a first inner wall defining a first flow channel having a first outlet and a stem portion defining a second inner wall defining a second flow channel having a second outlet. The first flow channel and the second flow channel intersect at the outlet of the second flow channel. A plug is mounted within the first flow channel having a first position wherein the plug prevents fluid flow from the second outlet to the first outlet and a second position wherein the plug permits fluid flow from the second outlet to the first outlet.

Abstract: A water gun (10) is provided having a storage tank (18), a pressure tank (19), and a pump (32) for conveying liquid from the storage tank to the pressure tank. The conveyance of liquid from the storage tank creates a vacuum which is controller through a control valve (43) to refill the storage tank with water in an efficient manner.

Abstract: The present invention relates to a nozzle assembly for dosing liquid while preventing spillage or dripping between the dosing. This nozzle assembly includes a dosing chamber (4) has an inlet (21), a piston housing wherein a piston plunger (5) is disposed, and an outlet (22) communicating with a distribution channel (10), a first one-way valve to open the inlet (21) when the dosing chamber (4) is being filled and to close the inlet (21) when a dose is being emptied out from the dosing chamber (4) into the distribution channel. The nozzle assembly furthermore comprises a second one-way valve (3) and a pressure release valve (23) to open a distribution channel outlet (27) when pressurized to a desired pressure. This pressure release valve (23) has an elastic cover (19) tightly fitted around the distribution channel outlet (27) and a distribution chamber having one or more needles (13) through which the liquid is dosed.

Abstract: An atomized liquid dispenser, comprising a pump and a dispensing head mounted on the stem of the pump, the head defining a chamber communicating with the stem and housing a movable piston urged by a spring to close a discharge nozzle provided at one end of the chamber. From the head there extends a skirt in which cuts are provided which define a flexible tang engaging one end of said piston projecting from said chamber. From the inner surface of the tang there projects a cam which, when the pump is operated, interferes with the pump or with an element rigid with it, to cause the tang to flex outwards and axially entrain the piston, so withdrawing it from the discharge nozzle.

Abstract: A dispenser for dispensing flowable materials and in particular anaerobic materials. This dispenser has a material inlet which allows the flowable material to flow into a pump cylinder, and a material passage through which the flowable material exits the pump cylinder. The material is positively displaced from the pump cylinder by a material displacement assembly of the ball-nut follower-type. A flexible plastic diaphragm which has sufficient porosity to permit oxygen to flow therethrough is biased toward a closed position by a pressurized air supply which applies pressurized air against an outside surface of the diaphragm, enabling the diaphragm to function as a one-way shut-off valve. The diaphragm extends across the material passage formed in the pump cylinder and a material outlet through which the material exits the dispenser.

Abstract: The trigger sprayer comprises: a body having a cylinder therein; a liquid inlet to the cylinder; an outlet waterway in communication with the cylinder; a piston having an inner end and an outer end received in the cylinder; a fluid path including at least a part of the cylinder and the waterway and extending between the piston and an outlet orifice; a trigger coupled to the body and acting on the outer end of the piston; a precompression valve assembly in the fluid path between the piston and the outlet orifice which is operable to allow liquid in a first part of the fluid path to reach the outlet orifice only after a predetermined pressure is established in the cylinder and to stop liquid from reaching the outlet orifice when the pressure in the cylinder falls below the predetermined pressure and which includes a valve seat in the fluid path, a spring valve element and retaining structure for retaining the spring valve element against the valve seat; biasing structure for biasing the piston away from the pre

Abstract: A trigger type liquid discharge device is provided with a valve structure designed to open only when the liquid inside the device shows a proper discharge pressure and arranged upstream relative to the discharge aperture of the nozzle head thereof and also with a flow path arranged in the cylinder of the pump unit of the device for returning any residual pressure in the liquid flow paths of the device after the end of a liquid discharging cycle. With such an arrangement, it can effectively prevent liquid from dripping out of the discharge aperture because of the residual pressure in the liquid flow paths in the initial and/or final stages of the liquid discharging operation.

Abstract: An improved charging device (20) comprising a vessel (22) for holding a liquid (24) therein. A component (26) on the vessel (22) is for allowing the liquid (24) to exit therefrom. A facility (28) on the vessel (22) is for dispensing the liquid (24) in controlled amounts through the exit component (26).

Abstract: The child lock nozzle cap assembly is mounted at the forward end of a body of a trigger sprayer and includes: a nozzle cap; first locking structure associated with the nozzle cap; and, second locking structure associated with a trigger of the trigger sprayer and cooperating with the first locking structure to lock the nozzle cap against rotation until and unless either the first locking structure is moved out of engagement with the second locking structure or the trigger is moved to move the second locking structure out of engagement with the first locking structure.

Abstract: A proportioning apparatus for viscous materials comprises a proportioning cylinder which has an inlet and an outlet. The proportioning cylinder houses a delivery piston actuable by way of an actuating rod. The latter is drivable by an electric motor, which is connected with the actuating rod by way of a crank drive.

Abstract: A delivery system comprising a pump connectable to a source of pumpable material, such as flowable condiment, and a control valve including a valve body and a valve element. The valve body has an inlet coupled to the pump to receive the pumpable material from the pump, a resiliently expandable portion chamber, an inlet passage extending from the inlet to the portion chamber, an outlet and a discharge passage extending from the portion chamber to the outlet. The valve element is movable in the valve body between a charging position in which the valve element blocks the discharge passage and does not block the inlet passage so the pump can supply the pumpable material under pressure to the portion chamber to resiliently expand the portion chamber and a discharge position in which the valve element blocks the inlet passage and does not block the outlet passage so the portion chamber can resiliently contract to move the pumpable material from the portion chamber toward the outlet.

Abstract: An apparatus for mixing and dispensing particulate-laden liquid or immiscible liquid, samples from a container or vessel. The apparatus is attached to the top of the vessel with a mixing tube extending downwardly into the liquid sample. A valve piston disposed in the tube may be moved from a closed position to an open position while the liquid sample is continuously agitated and circulated through the mixing tube. The agitation system lifts a portion of the liquid sample through the valve piston and out a discharge port for eventual assaying.

Abstract: A toy weapon for firing a charge of water includes a housing, water reservoir and a reciprocating piston mounted within a tube in the housing. The tube has a spring-biased, hinge mounted flap valve located at one end of the tube to effectively close the tube end. This valve also creates a sufficiently air-tight seal to allow the water charge to be suctioned from the reservoir into the tube. The tube holds the water charge, which is drawn into the tube on a back stroke of the piston, through a one-way valve in a conduit that connects the reservoir with the tube. The weapon is fired on a forward piston stroke, the water charge being pressurized in the tube and released as a single slug or burst of large droplets when the flap valve opens under increasing pressure of the water charge. A nozzle is provided downstream from the flap valve to help keep the water charge together and increase the velocity of the water as it is discharged from the weapon.

Abstract: A discharge valve system is provided for a finger-operable pump with an actuating plunger. In one embodiment, the plunger includes a piston disposed in a pump pressurizing chamber. In another embodiment, the plunger is slidably disposed on a fixed piston so that the plunger and piston together define a pressurizing chamber. In either embodiment, the chamber receives fluid from a container. The actuating plunger defines a discharge passage establishing communication between the ambient atmosphere and the chamber. The discharge valve system includes a valve seat defined by the plunger in the discharge passage.

Abstract: A dispensing apparatus includes a first vertical tube with a plug operably mounted in the lower end to selectively prevent the flow of the material from a dispensing opening in the lower end of the tube. A horizontal feed tube has an auger therein which selectively moves material into the upper end of the vertical tube for dispensing through the dispensing opening of the vertical tube. An actuator mounted on the vertical tube selectively moves the plug between the open and closed positions to dispense material within the tube. A second vertical tube adjacent the first tube also includes a plug operably mounted in a dispensing opening in the lower end thereof, for dispensing fluid from the second vertical tube. The first vertical tube is mounted with its lower end vertically spaced above the lower end of the second vertical tube such that liquid from the second vertical tube will not spray on the first vertical tube.

Abstract: The invention relates to a condiment dispensing system for dispensing condiment and the like which includes a gas operated pump for moving condiments from a condiment source to a delivery nozzle through a pinch valve that operates to close and open the delivery flow path in response to and absence of gas pressure. A swipe valve to clean the delivery nozzle is also provided.

Abstract: A device for dispensing the contents of a receptacle that is pressurized or that has a pump, includes a dispensing head forming a discharge orifice. A shutter is slidable in the head for opening or closing the outlet orifice. The shutter is slidably mounted in a bore of the dispensing head which communicates with the inside of the receptacle. The device also includes a control member for actuating the shutter to open the outlet orifice and simultaneously operating an actuating member (e.g., a valve or pump) of the receptacle for supplying the contents to the bore. The control member is pivotable about an axis and includes portions operably connected to the dispensing head and shutter. The actuating member is spring-biased to a rest position. Upon returning to its rest position, the actuating member displaces the dispensing head and control member to their rest positions.

Abstract: A dispenser of liquid or pasty product that can be used particularly in cosmetics includes a contractable reservoir connected by a first valve to a variable-volume chamber whose volume can vary under the action of a push-button. The variable-volume chamber is connected to an outlet by a second valve. The variable-volume chamber is formed by a body of the push-button and a stationary piston integral with the reservoir. The body of the push-button is formed of two parts, each equipped with an orifice and able to be twisted with respect to one another between a first open position in which the orifices of the two parts of the push-button face one another and fluidly communicate and a second closed position in which the orifices do not face one another so that product contained in the variable-volume chamber is prevented from reaching the second valve, thus immobilizing the push-button.

Abstract: A water toy that ejects a stream of water under pressure and in one embodiment is particularly suited to serve as a water-sword toy and in another embodiment to serve as a pump-action water gun toy is disclosed. In both embodiments, the water toy includes a wide mouth reservoir that accepts ordinarily available ice cubes which cooperate with water so that chilled water is emitted, under pressure, which may have some soothing benefits, especially during hot summer conditions. The water-sword toy not only emits water upon contact of its tip by an object, but also has provisions for emitting water out of its tip without contacting any object. The pump-action water gun toy has provisions to provide for a straight or spread water trajectory so as to simulate a rifle-water toy or a shotgun-water toy.

Abstract: A creamy substance dispenser is formed from a small number of components of easy and economical construction and assembly. The dispenser includes a main body defining a metering chamber communicating with a creamy substance container, within the chamber there being sealedly slidable a piston from which is projected a hollow stem extending into a hollow appendix projecting from a skirt rigid with the main body. The appendix is provided with a discharge hole closable by the end of said stem and biased by a spring, the stem freeing said discharge hole when made to translate by manual action.

Abstract: A dispenser for dispensing atomized fluids under pressure and provided with a shut-off element operated by the pressurized fluid. The dispenser includes a compression chamber housing a movable piston from which there projects an appendix which, when in a rest state, is urged by a spring to seal a discharge hole provided in a body closing the chamber, which communicates with a seat into which the end of the stem of a pressurized fluid pump can be inserted. When the fluid pressure within the chamber overcomes the resistance of the spring, the piston moves and the appendix frees the discharge hole. That end of the piston close to the appendix is slidable in a sealed manner within a cavity in a bush and a communication duct between the compression chamber and the discharge hole is freed only when the end of the piston emerges from the bush cavity on withdrawing.

Abstract: A reciprocating piston with an integral valve moves in a first direction within a cylinder to pressurize viscous material contained therein, such as ice cream or the like, thereby pushing it out of a dispensing nozzle located at one end of the cylinder while simultaneously extracting viscous material from a collapsible container into the other end of the cylinder by suctioning the material from the container. When the piston moves in a second direction, the integral valve opens to allow the piston to pass through the previously suctioned viscous material then within the cylinder. The dispensing nozzle includes a normally closed, spring-biased valve opened by the force of the pressurized material, closing of the valve being assisted by a transient suction force occurring as the valved piston beings to move in the second direction through the material.

Abstract: The present invention provides a pump for pumping fluids, especially highly viscous fluids such as shampoo, from a main fluid container through a nozzle without unwanted dripping, plugging, or mess. A piston reciprocates in a pump chamber, creating positive and negative pressure alternately in the pump chamber. Positive pressure in the pump chamber initiates a discharge phase of operation, wherein the fluid in the pump chamber is forced from the pump chamber through a discharge valve. Negative pressure in the pump chamber causes both a back-suction phase and a suction phase of operation. Back-suction occurs in the pump chamber immediately following the discharge phase, drawing any fluid remaining in an exit passage back through the discharge valve into the pump chamber. The suction phase starts immediately after the discharge valve closes at the end of the back-suction phase.

Abstract: The present invention relates to a portioning arrangement for portioning out liquid foodstuffs. For quick and easy disassembly of the portioning arrangement for cleaning of the parts thereof interlarded with foodstuff, a dispensing device (10) forming part of the portioning arrangement is releasable from a drive piston (17) driving the device (10), and the dispensing device (10) is also retractable or removable from a portioning chamber (11) of a dispensing unit (38), whereby the dispensing device (10) and the portioning chamber (11) can be easily cleaned separately.

Abstract: A filling machine for pasty or viscous products, especially fruit products and particularly a multirow filling machine for producing assortments of the packaged product, has for each row at least one metering or dosing station in which the metering piston is displaceable in a cylinder formed directly in the metering housing and adjacent a valve cylinder in which the valve member is provided. The valve member and piston are guided directly on the wall of the respective cylinders in this housing while the respective piston rods and stem extend upwardly through easily replaceable seals accessible from an observation space above the housing.

Abstract: An apparatus for filling containers including a pump housing having a pump chamber, a product inlet in communication with a supply of product under pressure, a product outlet and a piston positioned therein. The piston is movable by the supply of product under pressure between advancing and retracting positions where product is discharged from the chamber and through the outlet during the advancing stroke and the chamber is filled with product during the retracting stroke. A first valve is included to regulate the flow of product through the outlet and a second valve is included to regulate the flow of product between opposite sides of the piston. By controlling the opening and closing of the first and second valves, the pressure of the product enables movement of the piston to eject product and fill the chamber as desired.

Abstract: The child-resistant nozzle cover is used to cover a nozzle cap of a nozzle assembly for a trigger sprayer having a body, the nozzle assembly including a nose bushing at a front end of the body, the nozzle cap being rotatably mounted on the nose bushing of the sprayer, and the nozzle cap having a proximal end, a distal end including a generally annular rear edge, and an outer surface. The cover comprises a generally annular hood substantially covering the outer surface of the nozzle cap, being rotatable about the nozzle cap and nose bushing and having a proximal end, a distal end, an outer peripheral surface and an inner generally annular surface. Retaining structure is provided at the proximal end of the hood for retaining the hood on the nozzle assembly.

Abstract: A fluid dispensing gun is provided which is manually operated by a lever arm and cam mechanism. As an operator draws the lever arm to an open flow position, a pivot plate displaces a cam bar to which is attached a valve stem. This causes movement of the valve stem away from a valve opening and permits fluid flow. A U-shaped stem housing and an open tubular spring housing provide convenient access for axial adjustment of the valve stem and compression adjustment of the valve spring.

Abstract: Dispensing mechanism includes a plurality of storage containers, each container having two or more metering pumps associated therewith. The containers and metering pumps are located on a turntable which is indexed to move a particular metering pump to a dispensing station. Automated dispensing equipment operate the metering pump at the dispensing station and the turntable is thereafter indexed a smaller amount to bring the other pump associated with the same container into a dispensing position. In this manner, a single actuator system can be employed for multiple discharge cycles associated with a particular canister, and can accommodate multiple canisters.

Abstract: The trigger sprayer comprises: a body having a cylinder therein; a liquid inlet in communication with the cylinder; an outlet waterway in communication with the cylinder; an outlet nozzle which has an outlet orifice and which is movable to and from a position in communication with the waterway; a piston having an inner and an outer end and being received in said cylinder and being movable between an outer at rest position and an inner pumping stroke position during the pumping strokes of the piston in the cylinder; a trigger operatively coupled to the body and acting on the outer end of the piston; a precompression valve in the cylinder, the valve being operable to allow liquid in the cylinder to enter the waterway only after a predetermined pressure is established in the cylinder and to stop liquid from entering the waterway when the pressure in the cylinder falls below the predetermined pressure; and, biasing structure for biasing the piston away from the valve.

Abstract: A device which positively dispenses small, accurately measured, amounts of a flowable material, such as a resin, epoxy, etc. A pair of reciprocal pistons are movably mounted, each in a respective fluid pressure chamber, formed in a main body of a housing. One of the pistons moves a material dispense rod within a first section of a bore formed in a tubular portion of the housing. The second piston moves a sleeve which is telescopically mounted on the tubular housing between a material load position wherein flowable material is admitted into the first bore section, and a material discharge position wherein the first bore section is in communication with the second bore section.

Abstract: Pot comprising a body, a container, and a cover pivoted to the body, characterized in that the container (2, 32), closed by a movable wall (3, 33) insulating the substance from the exterior, communicates with the suction side of an incorporated measuring pump (12-17, 40, 39) which delivers the substance into an incorporated receptacle (15, 56) which is covered at rest by the cover (21, 34); and in that the reversible action of utilization, in a single movement engaging the cover, first of all clears the access to the receptacle and then actuates the pump.

Abstract: A pasta cooking apparatus includes a generally rectangular cabinet including an upright cooking tank and a sauce heating chamber with a common wall, with an opening permitting water flow therebetween. The cooking water temperature and the sauce heating water are separately temperature controlled for heating thereof. A sauce chamber abuts the heating chamber and includes various sauce containers. Transfer hoses extend from the containers, through the heating chamber into nozzles located above the cooking tank. A self-contained conveyor unit within the cooking tank has an endless chain with equi-spaced pasta baskets. The cover has a top run above the tank. The baskets are pivotally mounted. The baskets are inverted in the upper run and then reset. A dish table rotates beneath the horizontal run and successive baskets drop the pasta into an aligned dish which then rotates beneath the nozzles. The unit has a 34 inch width to allow it to move through conventional doorways in small fast food restaurants.

Abstract: An extremely compact and accurate device for simultaneously dispensing a plurality of liquids in individually pre-set volumes having: (1) substantially identical radially arranged sets having: a positive displacement metering piston pump, a fluid reservoir which houses a tint, a stirrer, and a valve spring; (2) an interconnecting passage connects the sets to respective dispensing nozzles; (3) a drive plate which moves the pistons and the stirrers between two pre-determined vertical positions for pumping and mixing the fluid; (4) a value for controllably diverting individual liquids independently in predetermined amounts from normally returning from the pumps to the reservoirs to move instead from the pump to small circularly arranged discharge nozzles; (5) a mechanism for aligning paint containers for tint dispensing; and (6) a solvent saturation system for reducing evaporation of fluid.

Abstract: A dispenser for the metered discharge of liquids and in particular pasty masses, having a delivery pump actuatable by finger pressure. The pump has a vacuum-type action and a restoring spring and pressure and suction valves. The container to which the pump is to be attached preferably is a container having resilient walls. The pump has a discharge bore with a closure element, to open and close the discharge bore. The pump has a pump chamber that is open and closed at its top end by a pressure valve. The pressure valve is connected to a plunger. A suction valve is axially spaced from the pressure valve and the suction valve is positioned to open and close the bottom end of the pump chamber. Contact zones are provided between the suction valve and the pressure valve. The plunger is displaceable in the delivery direction, and a restoring spring is located outside of the pump chamber. The restoring spring is clamped between a shoulder surrounding the pump chamber and a plunger flange.

Abstract: An apparatus for dispensing food materials includes a conveyor and a valve housing positioned above the conveyor. The valve housing has an inlet opening, a dosing opening and an outlet opening, there being no conduit extending between the outlet opening and the conveyor below. A valve tap rotatably positioned in the chamber has an arcuate recessed portion extending between tap edges, one edge being shaped to define a triangular cutting portion having an apex which, upon rotation of the valve tap in the chamber, passes through a midpoint of the outlet opening and closes a central portion of the outlet opening before closing outer portions. When the valve tap is rotated in the chamber to a first position, a channel is formed communicating between the inlet opening and the dosing opening and the outlet opening is closed. Upon opposite rotation of the tap to a second position, a channel is formed communicating between the dosing opening and the outlet opening and the inlet opening is closed.

Abstract: A sealing system for use in a liquid/flowable product filling apparatus which comprises a hopper for holding the product, one or more filling assemblies, each of which includes a nozzle, a cylinder, a valve for selectively passing product from the hopper to the cylinder and from the cylinder to the nozzle, a piston selectively moveable in the cylinder to draw product from the hopper through the valve into the cylinder or to push product from the cylinder into the valve and out of the nozzle, and a plunger selectively moveable in the valve to prevent the flow of product from the hopper into the valve or prevent the flow of product from the valve and out of the nozzle. The sealing system includes an annular piston seal circumscribing the piston to press against the cylinder walls to provide a seal therebetween. The valve includes an annular wall section through which the plunger moves, and an annular recess formed in the wall section.

Abstract: An aerosol-type liquid sprayer is adapted to spray liquid steadily without loosening. An erecting wall having an upper end portion engaged with an upper portion of a cylinder is connected to the outer surface of a container body neck portion. An erecting guide trunk is connected to the lower end of the erecting wall, and surrounds the erecting wall at a constant distance. A sliding trunk moves a piston upwardly and downwardly and is fitted into a gap between the erecting wall and the guide trunk. The sliding trunk is guided by the guide trunk, allowing the sliding trunk to be stably moved upwardly and downwardly.

Abstract: The invention concerns a unit for dispensing at least one fluid product; this unit comprises at least one dispensing duct, each comprising at its end portion a closing system opening towards the outside. The closing system is formed by an obturator which forms part of a component made of an elastically deformable material and a seat which forms part of another component of the dispensing head. The obturator is in contact with its associated seat in the absence of any dispensing action, moving away from the seat by elastic deformation under the pressure of the product to be dispensed, and returning by elasticity into contact with the seat when the dispensing stops. The obturator is subjected to the action of a constraining element tending to keep it applied to the seat wherewith it cooperates.