Abstract: A mixing-dosage apparatus for rotary machines for packaging containers includes a mixing portion and a dosage portion. The two portions have a selective fluid connection using a flow control valve, which acts between the two portions so as to feed the dosage duct with consecutive loads of mixed food mass. Each load has a volume that is approximately equal to the volume of the mixing chamber.

Abstract: The present disclosure provides a purification device comprising: a main body, and a water-outlet module, wherein the module includes a fixed cover fixed to the main body so as to protrude forward of the main body, a vertically-movable cover moving vertically while bearing against the fixed cover, and a water-outlet nozzle mounted on a bottom of the vertically-movable cover, wherein a stopping protrusion protrudes outward from a bottom lateral face of the vertically-movable cover.

Abstract: The invention relates to a device (10) for the metered filling of bulk material having a metering screw (16), which is arranged in a hollow cylinder shaped metering tube (12) and which can be slid in a longitudinal axis (L) of the metering tube (12), having a closing head (18) for closing a metering opening (14), wherein the closing head (18) has a substantially conical surface (20) and the metering tube (12) transitions after the metering opening (14) into a hollow cylinder shaped mouthpiece (32) having a larger inner diameter (DMi) compared to the inner diameter (dRi) of the metering tube (12).

Abstract: A refrigerator having a dispenser includes a cavity positioned on a front surface of a door of a refrigerator defining a predetermined space, a guide positioned at an upper portion of the cavity, a grip unit coupled to the guide and allowed to slide downward from the guide, and a water retrieval part provided at the grip unit. The grip unit of the dispenser installed on the front surface of the door of the refrigerator vertically slides to allow the position of the water dispenser port to be adjusted as desired by a user.

Abstract: Disclosed is an apparatus useful for filling containers by means of a rotating turret which is configured to rotate the containers through the container-filing apparatus to a dosing portion where they are then are filled with material by way of a tamping mechanism. The container-filling apparatus may also include a container-conveying means to move the containers to the rotating turret. Methods of filling containers by using container-filling apparatuses according to embodiments of the invention are also disclosed.

Abstract: A filling apparatus of flexible containers with a dense fluid, such as cream, yoghurt, honey, fruit juice, medicines and similar comprises vacuum devices, gas supply devices, filling devices and a valve. The valve comprises a main body, an obturator, a needle and a needle operating mechanism able to move the needle in translation. The obturator duct is connected to the vacuum and gas supply devices, to remove any residues of fluid aspirated.

Abstract: A container is filled to a predetermined target mass of a free-flowing substance with the help of a device that dispenses measured doses of the substance. The dispensing device has a valve for variably adjusting the mass flow rate of the substance from a reservoir into the container. The dispensing device further includes a device to measure the elapsed time from the beginning of the filling process, a balance for determining the mass of the substance in the container, and a controller unit with a valve control module. The controller unit includes an adjusting module, where a predetermined desired mass flow rate is stored. At an elapsed time, if the mass flow rate is smaller or larger than the desired mass flow rate, the flow rate is, respectively, increased or decreased by a flow rate adjustment. An adaptive filter of the controller unit determines the mass flow rate.

Abstract: A capsule preparation system includes a syringe holder for retaining a syringe, the syringe holder configured for operating a plunger of the syringe, a supply vial for storing a volume of radiopharmaceutical, and a capsule holder for capturing a capsule wherein the capsule holder is configured for selectively releasing the capsule from the capsule holder. At least a portion of the syringe holder is movable along a first direction and a second direction to position the syringe relative to the supply vial and the capsule.

Abstract: Filling valve (5) including: a hollow housing (11) having a valve seat (25); a moving valve rod (14) slidingly mounted in the housing (11) and having a sealing surface (23), the moving valve rod (14) and the hollow housing (11) together defining a liquid chamber (18); a liquid inlet (26) for putting the liquid chamber (18) into communication with a liquid supply pipe (6); a device for putting the valve rod (14) in a first, full-open position, in which the sealing surface (23) is spaced from the valve seat (25), thereby forming a passage (27) for the liquid; a device for putting the valve rod (14) in a second, closed position, in which the sealing surface (23) is in sealing contact with the valve seat (25), thereby closing the passage (27), and a device for putting the valve rod (14) in a third, predetermined, semi-open position in which the sealing surface (23) is spaced from the valve seat (25) but closer to the same than in the full-open position.

Abstract: A dispenser for dispensing metered amounts of powdered material, such as baby formula, from a dispenser unit, or cartridge, that can be quickly and easily interconnected with the dispenser. The dispenser can accommodate formula bottles of various sizes and includes a dispensing plunger that provides an oscillating action to prevent compaction of the formula and functions to ensure even dispensing of the formula into the formula bottle. Uniquely, actuation of the dispensing plunger creates a negative pressure internally of the dispensing chamber of the dispenser so as to assist the uniform withdrawal of formula from the cartridge.

Abstract: A device for metering of powdery filling material is proposed, with a filling material container, on the bottom of which at least one metering opening is arranged, with at least one transfer plunger which can be introduced by a movement system into the metering opening in order to transfer the filling material located in the metering opening into a receptacle. In addition to the movement system, a drive unit is provided for applying a force to the transfer plunger in order to assist the transfer of the filling material into the receptacle.

Abstract: The invention relates to a filling head with low Reynolds number, consisting of an inner body (2) and an outer body (3), in which one moves axially with respect to the other, there being a space (4) delimited between them that configures the dynamic characteristics that the flow will have, comprising a damping zone A with inlet (5) located on a different axis from that of the outlet (6), a pressure-loss zone B with seated valve (7), a zone C, with low Reynolds number, composed of n channels (10), with n fins (9) greater than 3 and LRHC less than 4, an ogival acceleration zone D and a nozzle (8) or closure zone E with a seal (13).

Abstract: The invention relates to a device for portioning flowable food products, consisting of: a first group of cylinders (1) comprising pistons (3) which communicate with a chamber (5) having an inlet (5a) and an outlet (5b); a second group of cylinders (2) comprising pistons (4) which communicate with a chamber (6) having an inlet (6a) and an outlet (6b), and dispensing means. Said dispensing means are controlled by synchronisation and control means in order to: alternately communicate a food product inlet (9) with said chamber (5) whereby the cylinders (1) open the inlet (5a) and close the outlet (5b) thereof; and simultaneously communicate an outlet (10) with said chamber (8) whereby the cylinders (2) close the inlet (56a) and open the outlet (6b) thereof and vice versa. Fluid dynamic cylinders (26) actuate each piston (3, 4) consecutively or actuate on sub-groups of pistons (3, 4) consecutively in order to empty the cylinders (1, 2).

Abstract: A fingerboard having at least one fingerboard row for storing a plurality of threaded tubulars is provided. A plurality of latches are connected to the at least one fingerboard row for lockingly retaining at least one threaded tubular, wherein each of the plurality of latches is movable between a locked position and an unlocked position. A row controller is connected to each of the latches for individually and sequentially moving the latches between the locked and unlocked positions, wherein the row controller is manually operable from a location remote from the latches such that the latches are manually and remotely controlled.

Abstract: A product transfer device is provided that includes telescoping tubular arm sections that collectively define a fluid passageway and are arranged so that a terminal arm section has the smallest diameter, while the diameters of the succeeding arm sections are increasingly larger. Piston seals in adjacent arm sections cooperate to define a chamber. A product transfer valve and isolation valve control the flow of product through the product transfer device. Pressurization of the passageway extends the arm sections and an actuator device opens the product transfer valve when the transfer arm contacts a container bottom. Pressurization of the chamber causes retraction of the arm sections so that the exterior of each arm section is wiped clean by the piston seal of the arm section into which that arm section is retracted. Retraction of the arm sections also operates a securing device that automatically shuts the product transfer valve.

Abstract: A method and apparatus for introducing powder into a pocket (32) using a dosator (10) having an elongate cavity with an open end and a plunger (12) opposite the open end moveable along the cavity so as to define, between the plunger (12) and the open end, a space of variable volume, the method including, with the plunger (12) defining a volume greater than that of the pocket (32), inserting the open end into a source of powder so as to fill the volume with powder, positioning the open end over the pocket, driving the plunger so as to expel powder from the open end into the pocket and compress it to a predetermined bulk density and removing the open end from the pocket so as to leave the pocket full of powder with the predetermined bulk density.

Abstract: An apparatus for controlling the denseness of powder conveyed from a hopper through a funnel and into a container includes an auger that is positioned within the funnel that is rotatable and vertically movable. The rotation and vertical movement of the auger serves to continuously vary the length of the auger and as a result maximizes the mass of powder that can fill the container. Alternatively, the auger can include an articulatable section that splays when it is extended beyond a terminal portion of the funnel. Still yet, the device could include a hollow auger shaft with an internal rod that has the ability to extend and retract. The rod includes a strip portion and with the strip portion retracted, the powder discharged is in its densest state. As the strip portion is extended the powder density is reduced.

Abstract: A method of filling containers, especially bags, with bulk material by a feeding funnel and a filler pipe. The filler pipe adjoins the lower end of the feeding funnel. An axially displaceable and rotatable conveying unit is arranged co-axially within the filler pipe. An axially displaceable and rotatable closing element is firmly connected to the lower end of the conveying unit. The bulk material, while being conveyed by the conveying unit in the filler pipe, is simultaneously mechanically agitated in the filling funnel, or simultaneously mechanically conveyed in the filling funnel towards the filler pipe.

Abstract: An apparatus for metering powdered filling material has a filling material container whose bottom is provided with bores which cooperate with tamping plungers and transfer plungers. Underneath the bottom is a stop ring which functions as a counter support for the tamping plungers. To prevent powder losses from the bottom the filling material container is axially movable in such a way that it can be pressed against the stop ring during the downward motion of the tamping plungers. This is achieved by means of hold-down elements which can be moved synchronously with the tamping plungers.

Abstract: A continuous machine for filling the bottom shells of capsules with at least one product has a conveyor for feeding the bottom shells along a given path; and at least one metering wheel having a number of metering devices, each for supplying a relative bottom shell with a given quantity of product withdrawn from a container, which is mounted eccentrically with respect to the metering wheel and is supplied by means of at least one conduit extending downwards inside a space enclosing the container and the metering wheel.

Abstract: A device for transporting fluids, such as viscous adhesives and sealants. The device includes a cylinder which may be filled by a supply line and a movable piston within the cylinder for ejecting the fluid into a discharge line. The piston includes an axial fluid channel and can be moved by way of a piston rod which also includes an axial fluid channel. An inlet valve is positioned between the supply line and the cylinder and may be moved between open and closed positions for releasing or interrupting the supply the fluid from the supply line into the interior of the cylinder. The piston rod includes threading and this threading is engaged with corresponding threading on a rotatable and drivable drive element so that the piston may be moved by rotating the drive element within the cylinder.

Abstract: A process is provided for filling an at least partially collapsible container comprising one or more fill and/or dispense apertures. The collapsible container is evacuated prior to refilling the container.

Abstract: A rotary type continuous filling apparatus that continuously fills bags accommodated in retainers with a filling liquid via filing nozzles. A cylinder of each of the pump devices that correspond to the respective filling nozzles is installed horizontally with the discharge opening facing outward. The discharge opening communicates with a feed-out opening of a nozzle main body, and a tank containing the filling liquid communicates with a supply opening of the nozzle main body via a flow passage. A cam roller is connected to the piston via swing levers, vertical supporting shafts and cam levers, and these cam rollers move along an annular cam groove of a piston operating cam. Furthermore, each filling nozzle has a flow passage switching valve that switches between a communication and non-communication of the supply opening and the feed-out opening, and it also has an opening-and-closing valve that opens and closes the discharge port.

Abstract: A valve suitable for dispensing a food product, and a method and apparatus for distributing a food product into a series of containers via the valve. The valve comprises a food product chamber, a fluid chamber, an inlet valve, and an outlet valve. The food product chamber comprises a cylinder and a piston which is adapted to move within the cylinder. The cylinder has an inlet and an outlet. The fluid chamber is adapted to actuate the piston in a reciprocating motion comprising an uptake stroke and an expulsion stroke. The inlet valve is adapted to open the inlet during the uptake stroke, and to close the inlet during the expulsion stroke. Conversely, the outlet valve is adapted to open the outlet during the expulsion stroke, and to close the outlet during the uptake stroke. The diameter of the food product chamber is less than the diameter of the fluid chamber.

Abstract: A machine and method for filling bags with liquid through spouts attached to the bags, wherein a piston within a filling head that operates to control flow of the liquid from the filling head is also extended out of the filling head and into the spout, after the bag is filled, in order to push remaining material from the spout and through is bottom opening into the bag. The spout bottom opening is then closed, after which any remaining material adhering to the walls inside the spout and surfaces of the filling head are cleaned by forming a chamber between them through which a cleaning fluid is passed. This machine and method are particularly useful when filling bags with highly viscous and/or sticky liquids, such as thick food products. They avoid a result of having either to distribute messy bags of product with material remaining adhered to the outside of the spout and/or bag, or to first remove this material by an additional cleaning step.

Abstract: A device for filling packages (10) with flowable products in low germ level conditions in a clean room (9) is described, with a product line (26), a filler valve (11) and a filler pipe (8) projecting into the clean room (9). In order that filling, with a low level of germs, of flowable contents into packages (10) is made possible without formation of condensation on filler pipes (8) and preferably in addition cleaning of the device directly in place without a great deal of assembly, the filler pipe (8), in its inlet area on the inlet aperture (15) in the top surface (14) of the clean room (9) is surrounded by a sleeve pipe (28) fitted at a distance coaxially, with inflow apertures (29) for air which is dry and has a low level of germs, and means (2-7) for producing and supplying the air which is dry and has a low level of germs are provided in the inflow apertures.

Abstract: An apparatus for filling cups has a conveyor for displacing the cups in a horizontal transport direction stepwise along a horizontal transport path and at least two dosing units spaced in the transport direction from each other above the path and each including a supply of a fluent material and valve and pump means for ejecting doses of the material. A manifold includes a pair of intake conduits each extending generally in the horizontal transport direction and each connected to a respective one of the dosing units for receiving the material doses therefrom and a distributor body between the dosing units, formed with a pair of grooves each connected to a respective one of the tubes, and forming a pair of outlet passages open vertically downward toward the path so that material fed generally horizontally from the dosing units to the body issues downward from the body.

Abstract: A fill system for filling a series of containers being processed on a packaging machine is set forth herein. The fill system includes a servomotor which may implement a number of stored fill profiles to provide precise filling of the containers. The servomotor is connected to one end of a cam shaft by a drive linkage. The drive linkage may be a toothed belt. The cam shaft is connected at its other end to a cam having a closed cam track. The cam directs a piston rod which controls a piston stroke in a piston chamber of the fill system. The piston chamber receives and holds of volume of product that is to be dispensed into each of the series of containers. The fill system may be integrated onto an existing packaging machine. The servomotor may be controlled by programmable logic controller.

Abstract: A liquid metering-filling apparatus is provided which includes a container transport conveyor intermittently drivable so as to halt containers one by one at a filling station. A filling nozzle is disposed above a path of transport of containers at the filling station. A metering cylinder houses a piston and has an outlet in communication with the filling nozzle. An inlet check valve is provided at an inlet of the metering cylinder. An outlet check valve is provided at any one of the outlet of the metering cylinder and inside of the filling nozzle. The liquid metering-filling apparatus also includes a driver for causing the piston to perform a cycle of stroking movement every time the conveyor is driven by one pitch. A photoelectric sensor is provided at the filling station for detecting any one of the presence and absence of a container of the plurality of containers at the filling station.

Abstract: The mechanism (27, 28) which regulates the volume of the distributors (16, 116) is connected to a shaft (41) coaxial to the shaft of the distributor carrousel. When the motor (63) is at standstill, the two coaxial shafts (2,41) rotate in the same direction and at the same speed. Whenever the motor (63) is activated in one direction or the other with the carrousel at the standstill or rotating, the inner shaft (41) rotates relative to the outer shaft (2), in the direction and to the extent necessary for the required regulation of volume of the distributors. The volume of the distributors is controlled remotely by a programmable processor (77).

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: An improved product filling machine adapted to dispense product into containers that are advanced by standard conveyor systems. The component parts of the product filling machine are modular, permitting rapid repair, cleaning and flexibility in adapting the machine to various product packaging apparatuses. The product filling machine has clean-in-place capability and structure for flushing the machine with sterile air after cleaning and maintaining pressurized sterile air within portions of the product filling machine during the filling operation.

Abstract: The invention relates to a metering-out device for taking successive timed doses of liquid from a tank, the device comprising a body for mounting in fixed manner relative to the tank and including a liquid-taking plunger with motion transmission means for driving the plunger with reciprocating motion in the liquid so that in one direction the liquid is metered out and in the opposite direction it is pumped. The invention also provides a metering-out valve including such a metering-out device, and metering-out apparatus including such a metering-out valve.

Abstract: A movable frame member is so mounted on a stationary frame member as to be movable reciprocatingly. A plurality of developing mechanisms are provided on the movable frame member to perform developing in different colors. The same number of toner containers as the number of developing mechanisms are arranged in a fixed manner, and toner feeders for feeding toner into the corresponding developing mechanisms are provided.Each of the toner feders includes a toner conveying device for conveying toner to an upper end portion of a cylindrical member, and a toner dropping passage means for feeding toner conveyed to the upper end portion of the cylindrical member to the developing mechanism. The toner dropping, passage includes an expansion/contraction device so disposed as to extend along the moving direction of the developing mechanism.

Abstract: A method for filling particulate material into a vertical tube includes conveying the particles downwardly into the tube along a line with a damper in the form of a series of damper brushes each arranged substantially transversely to the line and having a radial extension less than the inner diameter of the tube. The line is pulled up gradually as the tube is filled with particles. The damper can be in the form of brushes that are flexible so that they give or yield gradually when the particles fall down thereon. A wire can be used as the line, to which is fastened a series of substantially equidistant transversely extending brushes, preferably in the form of springs.

Abstract: The machine for the dosage and introduction of powder products into containers comprises a vertical central shaft, a sleeve guided on the central shaft and a pipe guided on the sleeve. The shaft, the sleeve and the pipe are movable along strokes which are appropriately mutually synchronized. At, least two series of dosage tubes are associated with the pipe and slidably accommodate pistons defining dosage chambers. Actuation cams are provided for actuating in succession the descent stroke of the sleeve and the pipe so as to cause the insertion of the series of tubes in respective annular channels of a hopper mounted around the sleeve in order to fill the dosage chambers with doses of product which are discharged into a plurality of containers after lifting the tubes out of the hopper.

Abstract: A modular system for filling and seaming a plurality of containers moving in parallel linear directions using a plurality of modules wherein each module comprises container filling apparatus, lid placing apparatus and lid seaming apparatus.

Abstract: A piston filler apparatus as disclosed in which the filler pistons and associated reciprocal valves are disposed below the product containing bowl so that they can be withdrawn into the bowl to effect easy in-place cleaning. A method of in-place cleaning is also disclosed, as well an an alternate method of operation.

Abstract: Anti-spray fluid dispensing nozzle for filling an open top container. The nozzle comprises an elongated fluid supply conduit establishing a fluid path between a source of pressurized fluid and the container to be filled. First and second valves are mounted in the supply conduit disposed in a spaced apart relationship with the first valve positioned upstream the second valve. Each valve includes a movable closure member cooperating with a valve seat to control the flow of fluid through the supply conduit. The closure members of both valves are coupled to a common actuating rod mounted for linear movement within the supply conduit to selectively displace each closure member between a valve closed position and a valve opened position.

Abstract: A piston-type multi-station rotary filling machine having improved reliability and consistency of operation. The filling machine includes a nozzle assembly for a filler with a product port which includes a nozzle body with a rectangular nozzle that intersects the product port. A plunger having a complementary rectangular cross-section and with a knife edge on the side adjacent to the port is reciprocably mounted within the nozzle. The knife edge cleanly cuts tough food products to facilitate accurate dispensing of the food products.

Abstract: An apparatus for filling containers includes a food product fill pump having a valve member and pump piston operated by respective cam drives. A servo-controlled drive motor drives the cams, whereby the speed of the pump operation can be controlled independently of an associated container conveyor. Significantly, the servo-control of the apparatus permits the pump piston of the food pump to be operated during its container-filling advancing stroke at a substantially constant speed, while the pumping cycle time is selectively varied by selectively varying the speed of the piston retraction stroke.

Abstract: A two-stage apparatus for measuring quantities of constituents of a product for canning includes a quantity measuring chamber which is substantially vertical and mounted on a support which rotates about an axis. The chamber comprises a tubular enclosure inside which slides a first piston. A lower part of the chamber is connected by supply conduits to a respective one of a pair of tanks, each of which is for holding a different one of the constituent products. The chamber is also connected by a delivery conduit to a filling nozzle, in which slides a secondary piston. A control valve selectively opens and closes the passages through the supply conduits to the measuring chamber in a predetermined order, and for a predetermined period of time to thereby control the relative quantities of the constituents supplied to the chamber. The control valve is adjustable to vary the ratios of constituents introduced into the chamber.

Abstract: A meat stuffing machine that operates under vacuum conditions during loading for the purpose of improving the homogeneity of the final product. The machine consists of: a tank supported on a machine frame, which includes a duct connecting it to a vacuum source, a duct for loading meat, and a recess on a side of the tank which houses a pneumatic cylinder used to push the meat product toward the bottom of the tank. An interchangeable gauging cavity contains a pusher means operated by a pneumatic cylinder. The gauging cavity is connected to a plate that is slidably secured to a flat wall of the machine frame, which has an aperture connecting to the tank and a second aperture that leads to a hollow tube that supports a casing. Once the gauging cavity is filled with meat product it slides to the second aperture and fills the casing supported by the hollow tube.

Abstract: A volume adjustment device for a filler is disclosed which simultaneously permits rough adjustment of a plurality of pistons within product cylinder and also permits fine volumetric tuning of each piston for precisely measuring predetermined volume of flowable product being discharged into containers or the like thus providing more accurate fill volumes and also minimizing fill volume differences between stations.

Abstract: A caulk mix and transfer apparatus includes a caulk jar for holding uncolored caulk and for receiving unmixed pigment. The jar has a mix lid and a transfer lid. Empty caulk tubes are attached to the transfer lid and the mix lid includes a rotatable blade. A machine for mixing the pigment and caulk in the caulk jar and for transferring the mixture to the caulk tubes includes means for engaging the jar and mixing the pigment and caulk therein with the mix lid and includes means for engaging the jar and transferring the mixture to the caulk tubes through the transfer lid.

Abstract: In a liquid filling machine having a metering cylinder, a piston accommodated in the cylinder with a clearance formed therebetween, and a membrane closing each open end of the clearance to form a closed space, a device for detecting a leak in the metering cylinder comprising a vacuum pipe connected to the metering cylinder in communication with the closed space, an orifice plate inserted in the vacuum pipe for maintaining the interior portion of the pipe upstream from the orifice plate at a pressure lower than a predetermined value when the membrane has no leak with a standard quantity of leakage fluid flowing through the pipe and maintaining the interior portion at a pressure not lower than the predetermined value when the membrane has a leak, and a pressure sensor for detecting the pressure of the upstream interior portion of the pipe and producing a leak detection signal when the detected pressure is not lower than the predetermined pressure.

Abstract: An automatic conveyorized volumetric container filler is provided and consists of a mechanism to pump a predetermined amount of fluid from a reservoir into containers by using volumetric piston pumps operated by a pump drive cylinder. The containers are automatically conveyed to a plurality of filling nozzles for receiving the fluid therefrom so that after the containers are filled, they can be conveyed away to be capped.

Abstract: An apparatus for filling a specified amount of liquid comprises a vertical tubular nozzle having a large-diameter portion intermediately of its height and a valve seat at the edge of an open lower end thereof, a valve upwardly and downwardly movably supported by the filling nozzle and comprising a plug intimately fittable to the valve seat and a stem extending upward from the plug inside the nozzle, a resistance member fixed to the valve stem so as to be positioned in the large-diameter portion for acting against a downward flow of liquid, a spring biasing the valve upward to hold the plug in intimate contact with the valve seat against the gravity on the liquid within the nozzle, a metering cylinder for intermittently feeding the liquid into the nozzle in the specified amount at a time so that the valve is opened by the pressure of flow of the liquid against the spring, and the spring closing the valve when the feed of liquid is discontinued.

Abstract: A liquid is dosed by an apparatus that has a housing formed with an inlet connected to a supply of the liquid, an outlet, a filling chamber, and a bypass chamber having an outlet side from which the outlet opens and an inlet side connected to the inlet. A pumping piston subdivides the filling chamber into an inlet compartment into which the inlet opens and an outlet compartment. A valve element in the housing can move between a filling position blocking the outlet and connecting the inlet through the bypass chamber with the outlet compartment and a feed position exposing the outlet and blocking flow between the inlet and the outlet compartment through the bypass chamber. The piston is alternately retracted through a back stroke while the element is in the filling position to draw liquid into the outlet compartment from the inlet through the bypass chamber and is advanced through a predetermined advance stroke while the element is in the feed position to eject the drawn-in liquid from the outlet.

Abstract: A method of venting a plant for filling containers (2) with an apportioned quantity of liquid without air inclusions by means of a dispensing pump (9) in which two control valves (11', 12') disposed at the outlet from a filler pipe (4) are intermittently opened and closed, the liquid (17) being supplied via a buffer container (13).