US3580299A - Container filling device - Google Patents

Container filling device Download PDF

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US3580299A
US3580299A US777819A US3580299DA US3580299A US 3580299 A US3580299 A US 3580299A US 777819 A US777819 A US 777819A US 3580299D A US3580299D A US 3580299DA US 3580299 A US3580299 A US 3580299A
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container
head piece
filling
tube
piece
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Jorge Alkalay
Oton Alkaly
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67CCLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/16Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus using suction

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  • Container filling heads are positioned on the circumferential surface of the tank and include upper and lower head pieces adapted to cooperate to fill each container to a desired level without the operation of internal or external valves thus increasing the efficiency and simplifying the construction in relation to prior an apparatus of this type.
  • the present invention relates to an automatic container or bottle filling machine in which the filling is done in a rapid and efficient manner to obtain and insure a continuous and constant level of operation.
  • the direct loading system is accomplished by a device having a. tank of liquid above the container to be filled.
  • the operation of this system depends upon the force of gravity on the-liquid. Disadvantages of this system result because valves are required which may cause damage due to dripping of the liquoror liquid onto the containers.
  • Such a direct loading or gravity-type system is also mechanically very complex.
  • Such systems will fill broken containers thereby resulting in a loss of liquid.
  • Such systems also have a relatively low rate of production.
  • a second system is known as the siphon filling system.
  • This system calls for a tube or conduit provided from a tank of liquid, the tank being in communication with the atmosphere, to a container or bottle being filled.
  • the level of liquid in the container is brought up to the level of the liquid within the tank.
  • the system operates on the principle of the siphon which calls for placing a tube from the tank of liquid into the container.
  • the tube is elevated, however, above the container and must be filled with liquid in order to discharge liquid into the container from the tank.
  • the liquid discharge thus depends upon the operation of a valve which is opened when the container is to be filled.
  • the valve is normally onthe insideof the tube and opens when the tube entersthe container at a lower level than that of the liquid in the tank.
  • the container is then filled so that the level of the liquid in the container equals the level of liquid in the tank.
  • An inconvenient feature of this system results because a single siphon must be provided for each of the containers which is to be filled.
  • the system also attempts to fill broken containers.
  • the system has a very low. rate of production and also drips on filled containers.
  • a third system is the vacuum filling system-r Filling devices operating according to the principlesof this system employ a vacuum in order to force the liquid intothe container.
  • the vacuum is produced by a vacuum pump or by a fan. Nearly all these filling devices operate by positioning a tube into the container which tube leads to the liquid reservoir tank, The connection between the tube and the container is sealed. In most systems of this type it isdesirable to provide a tube having the largest possible diameter. The liquid then passes throughthe tube into the container.
  • a second tube which produces a vacuum within the container is also provided. The secondtube thus provides a vacuum in the containerwhile liquid flows from the first tube into the-container to replace the vacuum.
  • valves which in some cases are operated by contact with the container which is being filled. In other cases the valvesare operated separately. by some mechanical means. The valve operate to return the excess liquid to the tank through. the tube producing the vacuum, The necessity of using. valves is a complication in these devices as such valves require constant servicing for the proper operation of the device.
  • atube having a very. small diameter is introduced into the container which is to be filled.
  • the function of the tube is to produce a vacuumin the container 'and aI O remove by means of suction excess liquidwhen the container is full.
  • the liquid for the container. isprovidedthrough an annular section between the small. diameter tube pulling the vacuum and the free interior diameter of the neck of the container which is being filled. In other words the neck of the container is used as the filling tube.
  • the vacuum tube which enters the container has a small diameter so that there is no possibility that this small diameter tube will engage with the neck of a defective container, for example. Thus, breakage can be avoidedwith such a construction.
  • Another object of the present invention is to provide for the passage of liquid from thetank of the filling machine to the container in a direct manner without passing through any valves. This provides increased efficiency of operation since there is no problem of valve service.
  • each container which was being filled also be positioned centrally so that the filling tube would penetrate into the container. This was most often provided for by elevating the container to meet the filling tube of the filling device. In order to accomplish this, it is most often necessary to provide the filling machine with as many elevating bottle carriers as there are filling device.
  • the mechanism of the device is exceptionally simple. Its operation depends upon a single cam operative to move the filling heads which control the position of the filling tubes that in turn connect to the vacuum system.
  • the filler head carries the centering tube and the liquid discharge tube. Also provided for the filling head are means-for moving the head in correspondence with the movement of the containers being filled.
  • the height between the mounting for the filling head on the machine and: the rotating container platform which carries the containers. that are going to be filled can be easily adjusted so as to adapt the machine to fill different sizes of containers.
  • FIG. 3 is a perspective view illustrating the apparatus of the invention positioned to receive empty containers and discharge filled containers onto 'a continuous conveyor line;
  • FIG. 4 is a detailed view in elevation of a singlefiller head in position to descend on the neck of a-container
  • FIG. 5 is a detailed view of the filler head of the apparatus of the invention in position on a container;
  • FIG. 6 is a view similar to FIG. 5 illustrating the final position ofthe filling head on a container during the liquid filling operation
  • FIG. 7 is similar to the view shown in FIG. 6 with the container beingfilled with fluid above the level of the centrally disposed-vacuum tube in the container;
  • FIG. 8 is yet another similar view of the filling head wherein the centrally disposed vacuum tube is slightly raised to withdraw excess liquid from the container;
  • FIG. 9 is a view of the filler head completely withdrawn from the container which has been filled allowing the container to be removed from the apparatus of the invention.
  • the apparatus of the invention comprises an annular platform 1 which is adapted to rotate and which is positioned to cooperate with a conveyor belt 2 which carries containers that are to be filled.
  • a conveyor belt 2 which carries containers that are to be filled.
  • an entrance star wheel 3 and an exit star wheel 4 which are coordinated with the movement of the platform 1.
  • a worm screw 5 Parallel to the incoming run of the conveyor 2 there is mounted a worm screw 5 on the side of the conveyor 2 opposite the apparatus of the invention.
  • a plate or band of elastic material Mounted to cooperate with the worm screw 5 and also disposed in parallel relation to the conveyor 2 is a plate or band of elastic material having disposed on its front face a strip or covering 7 also parallel to the incoming run of the conveyor 2 and containers thereon.
  • the covering 7 may be displaced against the elastic material 6 thereby deforming it elastically.
  • the elastic material 6 and covering 7 do not engage the containers when the material 6 and covering or strip 7 are in an inoperative position.
  • the apparatus of the invention includes a motor 8 which drives gears in a speed-reducing gearbox 9 which, in turn, transmits movement to the shaft 10.
  • the shaft 10 acts through a spur gear 11 to drive the worm screw 5 by means of power transmitted through a pinion gear 12 connected with spur gear 13. Movement is then transferred to conical gears 14 and ultimately to the screw 5.
  • Spur gear 11 also drives the large central spur gear 15 which is attached by means of a series of circumferentially positioned columns or rods 16 to the rotating platform 1.
  • the gear 16 is mounted on a central shaft 17 which supports the central part of the apparatus.
  • the central shaft 17 includes threads 18 which cooperate with the interior hub or sleeve 19 of the gear 15 to thereby permit extension or reduction in the height of the shaft 17 and connected parts of the apparatus in respect to the platform 1.
  • a tank 20 into which the liquid, for example, wine, liquor or the like, is stored prior to loading into containers.
  • a flange retention ring 21 Positioned on the bottom of the tank 20 is a flange retention ring 21 which being fixed to the tank 20 rotates with the tank 20 and the central shaft 17.
  • a mounting member 22 which connects with a vertically extending arcuate member 23 positioned between the platform l and the tank 20 adjacent the star wheels 3 and 4.
  • the top surface of the member 23 defines a cam 24 which operates the filling heads as will be described below.
  • the member 23 is locked into position by means of a rod 25 which is retained between the star wheels 3 and 4 as illustrated in FIGS. 1, 2 and 3.
  • the arcuate member 23 and cam 24 remains in a fixed position in relation to the shaft 17.
  • a vacuumtank 26 located on top of the tank 20.
  • Tank 26 is in communication with the tank 20 through the tube 27 extending from the bottom of tank 26.
  • the tube 27 provides a means for return of excess liquid from containers which have been filled. Note that tube 27 passes below the liquid level in tank 20 to maintain proper vacuum operation.
  • conduit 28 Extending from the top part of the tank 26 is a conduit 28 which connects with a vacuum device 29.
  • the conduit 28 connects with the tank 26 by means of a connector at the top of the tank 26 which permits rotation of the tank 26 while the conduit 28 remains stationary.
  • Arcuate member 23 which is positioned on the inside of the platform 1 and held in that position by means'of the rod 25 adjacent the star wheels 3 and 4 operates to define the path of travel of the filling heads.
  • the cam 24 begins with a bevel 30 for intersection with the lower end of the filling heads, then has a run 31 at a substantially uniform level in relation to the platform 1, and then continues in an ascending step or run 32 until the top of the cam 24 is reached, the top of the cam 24 also being substantially horizontal and defining the maximum elevation position of the filling heads or devices. From the top of the cam 24 there is a descending step or run 33 until the filling head devices are no longer intercepted by the cam 24.
  • each head a includes an arm'37 extending substantially at right angles to the sliding runner 35.
  • the arm 37 provides support for a tube 38 which is parallel to the runner 35.
  • the tube 38 is connected by means of a flexible conduit 39 with the vacuum tank 26. Resting on the arm 37 and connected with the top part of the runner 35 is a counterweight 40.
  • a vertical slot 41 adapted to receive a short rod 42 extending from crossmember 43 slidably positioned against runner 35.
  • the member 43 thus slides in relation to runner 35 and constitutes the base of the lower head generally indicated at b.
  • a liquid loading conduit 45 passes from the filling tank 20 to the interior of the member 43 by passing through the slot 41.
  • the head b includes a body section 45 which receives the tube 38 therethrough.
  • an adjustable disc 38' fixed to the tube 38 provides an upper seal against the ring seal 45 fixed in the body 45.
  • the body 45 includes an interior chamber which connects with the conduit 44 and also with a centering funnel or tulip 46 which is adapted to fit over the mouth of a container.
  • the frustoconical walls of the tulip 46 seal in an airtight relation with the opening of the container. This airtight seal is facilitated by means of the seal 45" attached to the lower side of the body 45.
  • the extreme lower end of the tube 38 includes an external peripheral flange or spreader 38 which prevents dripping of liquid during operation of the device.
  • the operation of the entire apparatus is automatic to provide quick filling and effective operation.
  • the operation is described as follows. Empty containers such as one-fifth gallon liquor bottles enter the apparatus through the entry wheel 3 and move onto the platform 1 of the apparatus.
  • the roller 36 on the lower end of the runner 35 passes along the top of the cam 24 causing the filling device and its upper head a and its centering means or lower head b to be positioned above the mouth of a container.
  • the roller 36 begins descent along the cam run 33 and at the same time the upper head a and the lower head I) also descend with the counterweight 40 acting to insure the descending movement of all parts.
  • the lower or centering head b and in particular the interior of the tulip 46 seats against the mouth of the container. Up until this point in the operation the centering head b is in its lower position in the groove or slot 41 of the runner 35 with the guiding rod 42 at the bottom of the slot 41.
  • the lower end of the tube 38 is thus placed in the interior of the tulip 46 over the top of the mouth of the container as shown in FIG. 4.
  • the centering head b When the tulip 46 is resting on the top of the container, however, the centering head b is positioned over the mouth of the container as shown in FIG. 5 as the roller 36 continues to descend.
  • the upper head a of the filling device continues to be displaced downward carrying the counterweight 40 while the centering head b does not descend any further since it already rests on the mouth of the container.
  • the displacement of the upper head a in respect to the centering and filling head b is made possible because of the vertical slot 41 which permits displacement of the upper portion or head a in respect to the lower head b to the extent that the rod 42 may travel in the slot 41 or until the sealing disc 38' reaches the closing position against the seal 45 as shown in FIG. 6. When in this position the container begins to be filled.
  • a direct vacuum channel that does not include valves but which is fashioned by the tube 44, hollow body 45, the interior of the container being filled, the tube 38, flexible conduit 39 leading from the tube 38 and the vacuum tank 26.
  • the liquid from the loading tank 20 passes through the tube 44 and enters the body 45 before entering the container through the annular channel defined between the inner walls of the container and the tube 38.
  • the filled container as shown in FIG. 7 then reaches the position in which the roller 36 meets with the bevel 30 and begins a short ascending step. While sliding upward runner 35 elevates the sealing disc 38 out of sealing engagement with the body 45 thus leaving the interior of the body 45 open to the atmosphere and in this manner permits the entrance of air into the container through the annular mouth as shown in FIG. 8. This establishes a pressure equilibrium with the atmosphere while the roller 36 passes through the horizontal run 31. At this same time the tube 38 is maintained in position as shown in FIG. 8.
  • the roller'36 then engages the ascending run 32 lifting the runner 35 and arm 37 to extract the tube 38 from the interior of the container as shown in FIG. 9.
  • the lower end of the groove 41 engages the rod 42 to cause the centering head b to separate from the mouth of the container to thereby position the device in its original position on top of the cam 24.
  • the filled container is then removed from the platform 1 to the conveyor 2 by means of the star wheel 4.
  • an automatic liquid filling apparatus of the type utilizing means for producing a vacuum in the container to be filled to provide for the filling of liquid into the container, the improvement of a filling head comprising, in combination:
  • a lower head piece adapted to communicate with the container to be filled and also to communicate directly with a reservoir of liquid to be filled into the container;
  • a top head piece carrying a tube for producing vacuum within the container, said tube being in communication with a means for providing said vacuum
  • each of said head pieces being mounted to slide independently of each other and also operative to move vertically in response to a cam, both head pieces adapted to join together in a sealed relationship when in operative position to provide filling of the container in an annular space existing between the inner diameter of the throat of the container and the outer diameter of the tube producing the vacuum
  • the top head piece of said apparatus being directly responsive to said cam so that said cam produces movement to elevate said top piece and separate said top piece from said lower piece in order to establish atmospheric pressure within said filled container without removing said lower head piece from said container and to simultaneously remove the excess of liquid from said container through said tube as said top piece and connected tube are removed from said lower head piece
  • said top piece being subsequently further vertically removed from said container by action of said cam to cause said top head piece to engage said lower piece and raise said lower head piece completely from said container to allow the discharge of said container from said apparatus and the acceptance of an incoming empty container.
  • An apparatus as set forth in claim 1 including a reservoir tank for said liquid, said reservoir tank having at least one filler head mounted thereon, said top piece including a runner operative to respond to said cam, said runner being slidably retained by runner retainer members on said tank.
  • The-apparatus of claim 2 including a vertical guide slot in said runner, said runner rigidly fixed to top head piece, said lower piece including an arm having a pin mounted thereon passing through said slot, said arm responsive to movement by reaction of said rod with the ends of said slot to raise and lower said lower head piece in response to movement of said runner.
  • An improved container filling apparatus comprising, in combination:
  • said vacuum tank including means for creating at least a partial vacuum
  • each of said heads including a separate top head piece having a vertical center tube connected with said vacuum tank and a lower head piece with a vertical passage therethrough, said tube being substantially centered in said passage, said passage of said lower head piece also connected by a fill line tube with fluid in said reservoir;
  • said apparatus also including means for moving containers beneath of said filling heads;
  • cam track means for separately raising and lowering said top and lower head pieces in sequence by first lowering said lower head piece into sealing contact with the fill opening of said container, said passage of said lower head piece being connected to said container fill opening and subsequently lowering said top head piece to sealingly engage with said lower head piece and seal said vertical passage at its upper end, said center tube extending into said container, next filling said container through said fill line tube and finally removing said top head piece from sealing engagement with said lower head piece and then removing said lower head piece from said container opening.
  • top head piece includes an attached counterweight adapted to drive said top head piece downwardly into sealing engagement with said lower head piece whenever said cam track means permits said top head piece to engage said lower head piece.
  • said lower head piece includes a body having an interior chamber, said chamber comprising a part of said vertical passage, said chamber being connected to said fill line tube, said body also including a centering funnel adapted to fit over the mouth ofa container, the sides of said funnel adapted to sealingly engage the mouth of said container to said passage, and said body including an upper surface to sealingly engage said top head piece.
  • top head piece is comprised of a rigid center tube adapted to pass through said lower head piece, said center tube connected by means of a flexible tube to said vacuum tank, the outside of said center tube also made to sealingly engage said lower head piece at approximately the upper end of said center tube.
  • An improved container filling head for use with a vacuum type filling machine comprising, in combination:
  • said top head piece including a vertical center tube connected with a source of vacuum
  • said lower head piece including a body having a vertical passage therethrough of greater diameter than said center tube and also for receiving said center tube, said body including sealing means at each end of said passage, the upper sealing means adapted to engage and seal with said top head piece and the lower sealing means adapted to engage the neck of a container and seal thereto, said passage being directly connected by a fluid filling tube with a liquid reservoir such that liquid passes through said fluid filling tube into said central passage of said lower body piece and thence into a container upon which said filling head is sealed, said center tube providing a vacuum within said container to initiate passage of fluid through said filling tube whenever said top head piece is sealed to said lower head piece, said lower head piece and said upper head piece providing a complete operable filling head whenever said head pieces are positioned in sealing engagement with each other and
  • the filling head of claim 8 including means for driving said head pieces separately in a vertical direction to seal together said head pieces when a container is being filled and to separate said head pieces when said container is not being filled.

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  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Abstract

A vacuum operated bottle filling device which includes a rotating platform and rotating reservoir tank. Container filling heads are positioned on the circumferential surface of the tank and include upper and lower head pieces adapted to cooperate to fill each container to a desired level without the operation of internal or external valves thus increasing the efficiency and simplifying the construction in relation to prior art apparatus of this type.

Description

United States Patent n 13,ss0,299
[ 72] Inventors Jorge Alkalay;
Oton Alkaly, Ramon Lista 5376, Buenos Aires, Argentina [21] Appl. No. 777,819 [22] Filed Nov. 21,1968 [45] Patented May 25, 1971 [54] CONTAINER FILLING DEVICE 9 Claims, 9 Drawing Figs.
[52] US. Cl 141/59, 141/116, 141/147 [51] Int. Cl B65b 31/00 [50] Field of Search 141/44, 45, 59, l52,147,115,116,145
[56] References Cited UNITED STATES PATENTS 5/1953 Risser 141/59 3,037,536 6/1962 Fechheimer 141/116 3,056,436 10/1962 Fechheimer... 141/116 3,093,165 6/1963 Risser l4l/147 3,386,480 6/1968 Riesenberg l4l/l47 Primary Examiner-Meyer Perlin Attorney-Molinare, Allegretti, Newitt & Witcofi' ABSTRACT: A vacuum operated bottle filling device which includes a rotating platform and rotating reservoir tank. Container filling heads are positioned on the circumferential surface of the tank and include upper and lower head pieces adapted to cooperate to fill each container to a desired level without the operation of internal or external valves thus increasing the efficiency and simplifying the construction in relation to prior an apparatus of this type.
Patented May 25, 1971 6 Sheets-Sheet l WYV AA M A KK LL A E GN m 0 J0 Patented May 25, 1971 3,580,299
6 Sheets-Sheet 5 ITOPGE ALKALAY OTON ALI (A LAY ATTORNFY Patented May 25, 1971 3,580,299
'6 Sheets-Sheet 6 INVENTOR JORGE ALKALAY N ALKALAY ATTORNFY CONTAINER FILLING DEVICE BACKGROUND OF THE INVENTION The present invention relates to an automatic container or bottle filling machine in which the filling is done in a rapid and efficient manner to obtain and insure a continuous and constant level of operation.
There are presently available various systems which may be employed for filling containers, especially narrow-necked containers such as liquor bottles or the like. For example, the direct loading system is accomplished by a device having a. tank of liquid above the container to be filled. The operation of this system depends upon the force of gravity on the-liquid. Disadvantages of this system result because valves are required which may cause damage due to dripping of the liquoror liquid onto the containers. Such a direct loading or gravity-type system is also mechanically very complex. In addition such systems will fill broken containers thereby resulting in a loss of liquid. Such systems also have a relatively low rate of production.
A second system is known as the siphon filling system. This system calls for a tube or conduit provided from a tank of liquid, the tank being in communication with the atmosphere, to a container or bottle being filled. The level of liquid in the container is brought up to the level of the liquid within the tank. The system operates on the principle of the siphon which calls for placing a tube from the tank of liquid into the container. The tube is elevated, however, above the container and must be filled with liquid in order to discharge liquid into the container from the tank. The liquid discharge thus depends upon the operation of a valve which is opened when the container is to be filled. The valve is normally onthe insideof the tube and opens when the tube entersthe container at a lower level than that of the liquid in the tank. The container is then filled so that the level of the liquid in the container equals the level of liquid in the tank. An inconvenient feature of this system results because a single siphon must be provided for each of the containers which is to be filled. In addition the system also attempts to fill broken containers. Moreover, the system has a very low. rate of production and also drips on filled containers.
A third system is the vacuum filling system-r Filling devices operating according to the principlesof this system employ a vacuum in order to force the liquid intothe container. The vacuum is produced by a vacuum pump or by a fan. Nearly all these filling devices operate by positioning a tube into the container which tube leads to the liquid reservoir tank, The connection between the tube and the container is sealed. In most systems of this type it isdesirable to provide a tube having the largest possible diameter. The liquid then passes throughthe tube into the container. A second tube which produces a vacuum within the container is also provided. The secondtube thus provides a vacuum in the containerwhile liquid flows from the first tube into the-container to replace the vacuum.
These systems are very efficient and productive, butare inconvenient since they require theuse of valves which in some cases are operated by contact with the container which is being filled. In other cases the valvesare operated separately. by some mechanical means. The valve operate to return the excess liquid to the tank through. the tube producing the vacuum, The necessity of using. valves is a complication in these devices as such valves require constant servicing for the proper operation of the device.
SUMMARY OF THE INVENTION In the embodiments. of automatic filling machines of the present invention, atube having a very. small diameter is introduced into the container which is to be filled. The function of the tube is to produce a vacuumin the container 'and aI O remove by means of suction excess liquidwhen the container is full. The liquid for the container. isprovidedthrough an annular section between the small. diameter tube pulling the vacuum and the free interior diameter of the neck of the container which is being filled. In other words the neck of the container is used as the filling tube.
It is thus an object of the present invention to provide a larger fluid flow filling area for fillinga container by means of a vacuum filling system and consequently increasing the filling capacity of the device while maintaining substantially the same rate of fluid flow as with prior art devices. Also with the apparatus of the present invention the vacuum tube which enters the container has a small diameter so that there is no possibility that this small diameter tube will engage with the neck of a defective container, for example. Thus, breakage can be avoidedwith such a construction.
Another object of the present invention is to provide for the passage of liquid from thetank of the filling machine to the container in a direct manner without passing through any valves. This provides increased efficiency of operation since there is no problem of valve service.
In prior art devices in order that a filling device might operate correctly, it was necessary that each container which was being filled also be positioned centrally so that the filling tube would penetrate into the container. This was most often provided for by elevating the container to meet the filling tube of the filling device. In order to accomplish this, it is most often necessary to provide the filling machine with as many elevating bottle carriers as there are filling device.
Alternately as provided for by this invention, there are filling machines in which the containers being filled are always kept at the same level and the filling tubes are then lowered to avoid the necessity of bottle carriers and elevators. .In the present invention the filling. heads descend onto the containers by means of an action of a counterweight included with the head thereby avoiding the use of springs in the device.
As a further object of the present invention, the mechanism of the device is exceptionally simple. Its operation depends upon a single cam operative to move the filling heads which control the position of the filling tubes that in turn connect to the vacuum system. The filler head carries the centering tube and the liquid discharge tube. Also provided for the filling head are means-for moving the head in correspondence with the movement of the containers being filled.
As-another object and feature of the present invention, the height between the mounting for the filling head on the machine and: the rotating container platform which carries the containers. that are going to be filled, can be easily adjusted so as to adapt the machine to fill different sizes of containers.
These and other objects, advantages and features of the invention will be set forth in greaterdetail below.
BRIEF DESCRIPTION OF THE DRAWINGS The objects and advantages of the present invention can be more fully appreciated through the following description of a invention taken substantially along the line II-II of FIG. 1;
FIG. 3 is a perspective view illustrating the apparatus of the invention positioned to receive empty containers and discharge filled containers onto 'a continuous conveyor line;
FIG. 4 is a detailed view in elevation of a singlefiller head in position to descend on the neck of a-container;
FIG. 5 is a detailed view of the filler head of the apparatus of the invention in position on a container;
FIG. 6 is a view similar to FIG. 5 illustrating the final position ofthe filling head on a container during the liquid filling operation;
FIG. 7 is similar to the view shown in FIG. 6 with the container beingfilled with fluid above the level of the centrally disposed-vacuum tube in the container;
FIG. 8 is yet another similar view of the filling head wherein the centrally disposed vacuum tube is slightly raised to withdraw excess liquid from the container; and
FIG. 9 is a view of the filler head completely withdrawn from the container which has been filled allowing the container to be removed from the apparatus of the invention.
DESCRIPTION OF THE PREFERRED EMBODIMENTS In the FIGS. like reference numbers and letters represent corresponding parts in each of the FIGS. Now referring to the drawings, the apparatus of the invention comprises an annular platform 1 which is adapted to rotate and which is positioned to cooperate with a conveyor belt 2 which carries containers that are to be filled. Mounted also to cooperate with the apparatus of the invention is an entrance star wheel 3 and an exit star wheel 4 which are coordinated with the movement of the platform 1.
Parallel to the incoming run of the conveyor 2 there is mounted a worm screw 5 on the side of the conveyor 2 opposite the apparatus of the invention. Mounted to cooperate with the worm screw 5 and also disposed in parallel relation to the conveyor 2 is a plate or band of elastic material having disposed on its front face a strip or covering 7 also parallel to the incoming run of the conveyor 2 and containers thereon. The covering 7 may be displaced against the elastic material 6 thereby deforming it elastically. The elastic material 6 and covering 7 do not engage the containers when the material 6 and covering or strip 7 are in an inoperative position. When the are, however, in an operative position they provide a means for differing the coefficient of friction against the containers on the conveyor 2 and act with the worm screw 5 to correct the position of containers on the conveyor 2 since the containers which engage the covering or strip 7 and the material 6 receive a braking effect which causes them to be properly engaged by the threads of the worm screw 5 and properly spaced for entry into the star wheel 3.
The apparatus of the invention includes a motor 8 which drives gears in a speed-reducing gearbox 9 which, in turn, transmits movement to the shaft 10. The shaft 10 acts through a spur gear 11 to drive the worm screw 5 by means of power transmitted through a pinion gear 12 connected with spur gear 13. Movement is then transferred to conical gears 14 and ultimately to the screw 5. Spur gear 11 also drives the large central spur gear 15 which is attached by means of a series of circumferentially positioned columns or rods 16 to the rotating platform 1. The gear 16 is mounted on a central shaft 17 which supports the central part of the apparatus.
The central shaft 17 includes threads 18 which cooperate with the interior hub or sleeve 19 of the gear 15 to thereby permit extension or reduction in the height of the shaft 17 and connected parts of the apparatus in respect to the platform 1.
Attached to the central shaft or column 17 is a tank 20 into which the liquid, for example, wine, liquor or the like, is stored prior to loading into containers. Positioned on the bottom of the tank 20 is a flange retention ring 21 which being fixed to the tank 20 rotates with the tank 20 and the central shaft 17. Riding on the flange or retention ring 21 is a mounting member 22 which connects with a vertically extending arcuate member 23 positioned between the platform l and the tank 20 adjacent the star wheels 3 and 4. The top surface of the member 23 defines a cam 24 which operates the filling heads as will be described below. The member 23 is locked into position by means of a rod 25 which is retained between the star wheels 3 and 4 as illustrated in FIGS. 1, 2 and 3. Thus, while the tank 20, platform 1 and associated parts of the apparatus rotate, the arcuate member 23 and cam 24 remains in a fixed position in relation to the shaft 17.
Rigidly connected to the tank 20 and rotating with the tank 20 is a vacuumtank 26 located on top of the tank 20. Tank 26 is in communication with the tank 20 through the tube 27 extending from the bottom of tank 26. The tube 27 provides a means for return of excess liquid from containers which have been filled. Note that tube 27 passes below the liquid level in tank 20 to maintain proper vacuum operation.
Extending from the top part of the tank 26 is a conduit 28 which connects with a vacuum device 29. The conduit 28 connects with the tank 26 by means of a connector at the top of the tank 26 which permits rotation of the tank 26 while the conduit 28 remains stationary.
Arcuate member 23 which is positioned on the inside of the platform 1 and held in that position by means'of the rod 25 adjacent the star wheels 3 and 4 operates to define the path of travel of the filling heads. The cam 24 begins with a bevel 30 for intersection with the lower end of the filling heads, then has a run 31 at a substantially uniform level in relation to the platform 1, and then continues in an ascending step or run 32 until the top of the cam 24 is reached, the top of the cam 24 also being substantially horizontal and defining the maximum elevation position of the filling heads or devices. From the top of the cam 24 there is a descending step or run 33 until the filling head devices are no longer intercepted by the cam 24.
Arranged around the circumference of the tank 20 is a regular and evenly aligned array are the filler or filling heads or filling devices comprised of an upperhead generally indicated at a and a lower head generally indicated at b. To hold and guide the head pieces a, links or guide members 34 are evenly stationed around the periphery of the tank 20 so that sliding runners 35 of the upper heads a may be vertically displaced between the links 34. The lower ends of the runners 35 are provided with rollers 36 adapted to engage the cam 24 of the arcuate member 23. As shown in FIGS. 4 et seq each head a includes an arm'37 extending substantially at right angles to the sliding runner 35. The arm 37 provides support for a tube 38 which is parallel to the runner 35. The tube 38 is connected by means of a flexible conduit 39 with the vacuum tank 26. Resting on the arm 37 and connected with the top part of the runner 35 is a counterweight 40.
Positioned below the supporting arm 37 in the top part of the runner 35 is a vertical slot 41 adapted to receive a short rod 42 extending from crossmember 43 slidably positioned against runner 35. The member 43 thus slides in relation to runner 35 and constitutes the base of the lower head generally indicated at b. A liquid loading conduit 45 passes from the filling tank 20 to the interior of the member 43 by passing through the slot 41.
The head b includes a body section 45 which receives the tube 38 therethrough. When the tube 38 is in filling position as illustrated in FIG. 6, an adjustable disc 38' fixed to the tube 38 provides an upper seal against the ring seal 45 fixed in the body 45. I
The body 45 includes an interior chamber which connects with the conduit 44 and also with a centering funnel or tulip 46 which is adapted to fit over the mouth of a container. The frustoconical walls of the tulip 46 seal in an airtight relation with the opening of the container. This airtight seal is facilitated by means of the seal 45" attached to the lower side of the body 45.
The extreme lower end of the tube 38 includes an external peripheral flange or spreader 38 which prevents dripping of liquid during operation of the device.
The operation of the entire apparatus is automatic to provide quick filling and effective operation. The operation is described as follows. Empty containers such as one-fifth gallon liquor bottles enter the apparatus through the entry wheel 3 and move onto the platform 1 of the apparatus. The roller 36 on the lower end of the runner 35 passes along the top of the cam 24 causing the filling device and its upper head a and its centering means or lower head b to be positioned above the mouth of a container.
The roller 36 begins descent along the cam run 33 and at the same time the upper head a and the lower head I) also descend with the counterweight 40 acting to insure the descending movement of all parts. The lower or centering head b and in particular the interior of the tulip 46 seats against the mouth of the container. Up until this point in the operation the centering head b is in its lower position in the groove or slot 41 of the runner 35 with the guiding rod 42 at the bottom of the slot 41. The lower end of the tube 38 is thus placed in the interior of the tulip 46 over the top of the mouth of the container as shown in FIG. 4.
When the tulip 46 is resting on the top of the container, however, the centering head b is positioned over the mouth of the container as shown in FIG. 5 as the roller 36 continues to descend. The upper head a of the filling device continues to be displaced downward carrying the counterweight 40 while the centering head b does not descend any further since it already rests on the mouth of the container. The displacement of the upper head a in respect to the centering and filling head b is made possible because of the vertical slot 41 which permits displacement of the upper portion or head a in respect to the lower head b to the extent that the rod 42 may travel in the slot 41 or until the sealing disc 38' reaches the closing position against the seal 45 as shown in FIG. 6. When in this position the container begins to be filled.
In the position shown in FIG. 6 there is provided between the tank and the vacuum tank 26 a direct vacuum channel that does not include valves but which is fashioned by the tube 44, hollow body 45, the interior of the container being filled, the tube 38, flexible conduit 39 leading from the tube 38 and the vacuum tank 26. Thus, the liquid from the loading tank 20 passes through the tube 44 and enters the body 45 before entering the container through the annular channel defined between the inner walls of the container and the tube 38.
When the liquid inside the container reaches the lower end of the tube 38, the removal of air from the interior of the container ceases and liquid from the loading channel or conduit 44 and body 45 enters the container to cause the fluid to rise above the lower end of the tube in the container as shown in FIG. 7. As all of this is happening the platform 1 is rotating as are the corresponding parts to the platform and successive containers are entering through the star wheel 3 and exiting from the star wheel 4 onto the conveyor 2.
The filled container as shown in FIG. 7 then reaches the position in which the roller 36 meets with the bevel 30 and begins a short ascending step. While sliding upward runner 35 elevates the sealing disc 38 out of sealing engagement with the body 45 thus leaving the interior of the body 45 open to the atmosphere and in this manner permits the entrance of air into the container through the annular mouth as shown in FIG. 8. This establishes a pressure equilibrium with the atmosphere while the roller 36 passes through the horizontal run 31. At this same time the tube 38 is maintained in position as shown in FIG. 8.
Since the vacuum is continuous, the entrance of air into the container through the top annular opening of the body 45 causes the liquid which exists above the lower end of the tube 38 to be drawn up through the tube 38 to be discharged through the conduit 39 into the tank 26, and to pass through tube 27 into tank 20. Liquid is withdrawn until the level in the container reaches the lower end of the tube 38. To regulate the height of liquid level in the container, one need only to unscrew or loosen the sealing disc 38, then move the tube 38 up to the desired height in the container and again tighten the disc 38 onto the tube 38.
The roller'36 then engages the ascending run 32 lifting the runner 35 and arm 37 to extract the tube 38 from the interior of the container as shown in FIG. 9. The lower end of the groove 41 engages the rod 42 to cause the centering head b to separate from the mouth of the container to thereby position the device in its original position on top of the cam 24. The filled container is then removed from the platform 1 to the conveyor 2 by means of the star wheel 4.
We claim:
1. In an automatic liquid filling apparatus of the type utilizing means for producing a vacuum in the container to be filled to provide for the filling of liquid into the container, the improvement of a filling head comprising, in combination:
a lower head piece adapted to communicate with the container to be filled and also to communicate directly with a reservoir of liquid to be filled into the container; and
a top head piece carrying a tube for producing vacuum within the container, said tube being in communication with a means for providing said vacuum, each of said head pieces being mounted to slide independently of each other and also operative to move vertically in response to a cam, both head pieces adapted to join together in a sealed relationship when in operative position to provide filling of the container in an annular space existing between the inner diameter of the throat of the container and the outer diameter of the tube producing the vacuum, the top head piece of said apparatus being directly responsive to said cam so that said cam produces movement to elevate said top piece and separate said top piece from said lower piece in order to establish atmospheric pressure within said filled container without removing said lower head piece from said container and to simultaneously remove the excess of liquid from said container through said tube as said top piece and connected tube are removed from said lower head piece, said top piece being subsequently further vertically removed from said container by action of said cam to cause said top head piece to engage said lower piece and raise said lower head piece completely from said container to allow the discharge of said container from said apparatus and the acceptance of an incoming empty container.
2. An apparatus as set forth in claim 1 including a reservoir tank for said liquid, said reservoir tank having at least one filler head mounted thereon, said top piece including a runner operative to respond to said cam, said runner being slidably retained by runner retainer members on said tank.
3. The-apparatus of claim 2 including a vertical guide slot in said runner, said runner rigidly fixed to top head piece, said lower piece including an arm having a pin mounted thereon passing through said slot, said arm responsive to movement by reaction of said rod with the ends of said slot to raise and lower said lower head piece in response to movement of said runner.
4. An improved container filling apparatus comprising, in combination:
a reservoir tank;
a vacuum tank above said reservoir tank, said vacuum tank including means for creating at least a partial vacuum;
a fluid line connecting the bottom of said vacuum tank with said reservoir tank to a level beneath the fluid level in said reservoir tank;
a plurality of container filling heads intermediate said vacuum tank and said reservoir tank, said filling heads movable on a track about said reservoir tank, each of said heads including a separate top head piece having a vertical center tube connected with said vacuum tank and a lower head piece with a vertical passage therethrough, said tube being substantially centered in said passage, said passage of said lower head piece also connected by a fill line tube with fluid in said reservoir;
said apparatus also including means for moving containers beneath of said filling heads; and
cam track means for separately raising and lowering said top and lower head pieces in sequence by first lowering said lower head piece into sealing contact with the fill opening of said container, said passage of said lower head piece being connected to said container fill opening and subsequently lowering said top head piece to sealingly engage with said lower head piece and seal said vertical passage at its upper end, said center tube extending into said container, next filling said container through said fill line tube and finally removing said top head piece from sealing engagement with said lower head piece and then removing said lower head piece from said container opening.
5. The apparatus of claim 4 wherein said top head piece includes an attached counterweight adapted to drive said top head piece downwardly into sealing engagement with said lower head piece whenever said cam track means permits said top head piece to engage said lower head piece.
6. The improved apparatus of claim 4 wherein said lower head piece includes a body having an interior chamber, said chamber comprising a part of said vertical passage, said chamber being connected to said fill line tube, said body also including a centering funnel adapted to fit over the mouth ofa container, the sides of said funnel adapted to sealingly engage the mouth of said container to said passage, and said body including an upper surface to sealingly engage said top head piece.
7. The apparatus of claim 4 wherein said top head piece is comprised of a rigid center tube adapted to pass through said lower head piece, said center tube connected by means of a flexible tube to said vacuum tank, the outside of said center tube also made to sealingly engage said lower head piece at approximately the upper end of said center tube.
8. An improved container filling head for use with a vacuum type filling machine comprising, in combination:
a separate top head piece and a separate lower head piece cooperable with each other to provide a single filling head whenever said container is being filled with fluid and to otherwise provide two separate head pieces, said top head piece including a vertical center tube connected with a source of vacuum, said lower head piece including a body having a vertical passage therethrough of greater diameter than said center tube and also for receiving said center tube, said body including sealing means at each end of said passage, the upper sealing means adapted to engage and seal with said top head piece and the lower sealing means adapted to engage the neck of a container and seal thereto, said passage being directly connected by a fluid filling tube with a liquid reservoir such that liquid passes through said fluid filling tube into said central passage of said lower body piece and thence into a container upon which said filling head is sealed, said center tube providing a vacuum within said container to initiate passage of fluid through said filling tube whenever said top head piece is sealed to said lower head piece, said lower head piece and said upper head piece providing a complete operable filling head whenever said head pieces are positioned in sealing engagement with each other and said lower head piece is placed in sealing engagement with said container.
9. The filling head of claim 8 including means for driving said head pieces separately in a vertical direction to seal together said head pieces when a container is being filled and to separate said head pieces when said container is not being filled.

Claims (9)

1. In an automatic liquid filling apparatus of the type utilizing means for producing a vacuum in the container to be filled to provide for the filling of liquid into the container, the improvement of a filling head comprising, in combination: a lower head piece adapted to communicate with the container to be filled and also to communicate directly with a reservoir of liquid to be filled into the container; and a top head piece carrying a tube for producing vacuum within the container, said tube being in communication with a means for providing said vacuum, each of said head pieces being mounted to slide independently of each other and also operative to move vertically in response to a cam, both head pieces adapted to join together in a sealed relationship when in operative position to provide filling of the container in an annular space existing between the inner diameter of the throat of the container and the outer diameter of the tube producing the vacuum, the top head piece of said apparatus being directly responsive to said cam so that said cam produces movement to elevate said top piece and separate said top piece from said lower piece in order to establish atmospheric pressure within said filled container without removing said lower head piece from said container and to simultaneously remove the excess of liquid from said container through said tube as said top piece and connected tube are removed from said lower head piece, said top piece being subsequently further vertically removed from said container by action of said cam to cause said top head piece to engage said lower piece and raise said lower head piece completely from said container to allow the discharge of said container from said apparatus and the acceptance of an incoming empty container.
2. An apparatus as set forth in claim 1 including a reservoir tank for said liquid, said reservoir tank having at least one filler head mounted thereon, said top piece including a runner operative to respond to said cam, said runner being slidably retained by runner retainer members on said tank.
3. The apparatus of claim 2 including a vertical guide slot in said runner, said runner rigidly fixed to Top head piece, said lower piece including an arm having a pin mounted thereon passing through said slot, said arm responsive to movement by reaction of said rod with the ends of said slot to raise and lower said lower head piece in response to movement of said runner.
4. An improved container filling apparatus comprising, in combination: a reservoir tank; a vacuum tank above said reservoir tank, said vacuum tank including means for creating at least a partial vacuum; a fluid line connecting the bottom of said vacuum tank with said reservoir tank to a level beneath the fluid level in said reservoir tank; a plurality of container filling heads intermediate said vacuum tank and said reservoir tank, said filling heads movable on a track about said reservoir tank, each of said heads including a separate top head piece having a vertical center tube connected with said vacuum tank and a lower head piece with a vertical passage therethrough, said tube being substantially centered in said passage, said passage of said lower head piece also connected by a fill line tube with fluid in said reservoir; said apparatus also including means for moving containers beneath of said filling heads; and cam track means for separately raising and lowering said top and lower head pieces in sequence by first lowering said lower head piece into sealing contact with the fill opening of said container, said passage of said lower head piece being connected to said container fill opening and subsequently lowering said top head piece to sealingly engage with said lower head piece and seal said vertical passage at its upper end, said center tube extending into said container, next filling said container through said fill line tube and finally removing said top head piece from sealing engagement with said lower head piece and then removing said lower head piece from said container opening.
5. The apparatus of claim 4 wherein said top head piece includes an attached counterweight adapted to drive said top head piece downwardly into sealing engagement with said lower head piece whenever said cam track means permits said top head piece to engage said lower head piece.
6. The improved apparatus of claim 4 wherein said lower head piece includes a body having an interior chamber, said chamber comprising a part of said vertical passage, said chamber being connected to said fill line tube, said body also including a centering funnel adapted to fit over the mouth of a container, the sides of said funnel adapted to sealingly engage the mouth of said container to said passage, and said body including an upper surface to sealingly engage said top head piece.
7. The apparatus of claim 4 wherein said top head piece is comprised of a rigid center tube adapted to pass through said lower head piece, said center tube connected by means of a flexible tube to said vacuum tank, the outside of said center tube also made to sealingly engage said lower head piece at approximately the upper end of said center tube.
8. An improved container filling head for use with a vacuum type filling machine comprising, in combination: a separate top head piece and a separate lower head piece cooperable with each other to provide a single filling head whenever said container is being filled with fluid and to otherwise provide two separate head pieces, said top head piece including a vertical center tube connected with a source of vacuum, said lower head piece including a body having a vertical passage therethrough of greater diameter than said center tube and also for receiving said center tube, said body including sealing means at each end of said passage, the upper sealing means adapted to engage and seal with said top head piece and the lower sealing means adapted to engage the neck of a container and seal thereto, said passage being directly connected by a fluid filling tube with a liquid reservoir such that liquid passes through said fluid filling tube into said central passage of saiD lower body piece and thence into a container upon which said filling head is sealed, said center tube providing a vacuum within said container to initiate passage of fluid through said filling tube whenever said top head piece is sealed to said lower head piece, said lower head piece and said upper head piece providing a complete operable filling head whenever said head pieces are positioned in sealing engagement with each other and said lower head piece is placed in sealing engagement with said container.
9. The filling head of claim 8 including means for driving said head pieces separately in a vertical direction to seal together said head pieces when a container is being filled and to separate said head pieces when said container is not being filled.
US777819A 1968-11-21 1968-11-21 Container filling device Expired - Lifetime US3580299A (en)

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US3811484A (en) * 1971-06-14 1974-05-21 E Engelbrecht Method and apparatus for delivering a predetermined volume of a liquid
US3995586A (en) * 1976-01-21 1976-12-07 W. R. Grace & Co. Coating apparatus
US5115843A (en) * 1990-11-08 1992-05-26 Fmc Corporation Common base for a plurality of modular fillers
EP0737644A1 (en) * 1995-04-13 1996-10-16 PWA Geräte- und Apparatebau GmbH Bottling device for liquids
US20110277875A1 (en) * 2010-05-11 2011-11-17 Paccar Inc Coolant vacuum fill apparatus and method
CN105174169A (en) * 2015-10-12 2015-12-23 长沙汇一制药机械有限公司 Filling machine
US20170225933A1 (en) * 2014-08-29 2017-08-10 Dr Tech S.R.L Method for filling bottles with wine
US10377516B2 (en) * 2014-05-16 2019-08-13 Sluis Cigar Machinery B.V. Filling device
US11427453B2 (en) * 2016-06-13 2022-08-30 Dr Tech S.R.L. Device and method for filling containers with a liquid, in particular for bottling

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US3037536A (en) * 1959-03-06 1962-06-05 Karl Kiefer Machine Company Pressure filling apparatus with vacuum level control
US3056436A (en) * 1959-06-24 1962-10-02 Cherry Burrell Corp Filling head for filling machines
US3093165A (en) * 1957-08-20 1963-06-11 U S Bottlers Machinery Company Rotary filling machine and filling tubes therefor
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US2639077A (en) * 1949-12-08 1953-05-19 U S Bottlers Machinery Company Vacuum filling stem
US3093165A (en) * 1957-08-20 1963-06-11 U S Bottlers Machinery Company Rotary filling machine and filling tubes therefor
US3037536A (en) * 1959-03-06 1962-06-05 Karl Kiefer Machine Company Pressure filling apparatus with vacuum level control
US3056436A (en) * 1959-06-24 1962-10-02 Cherry Burrell Corp Filling head for filling machines
US3386480A (en) * 1965-11-12 1968-06-04 Cons Packaging Machinery Corp Filling machine with adjustable fill height control

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3811484A (en) * 1971-06-14 1974-05-21 E Engelbrecht Method and apparatus for delivering a predetermined volume of a liquid
US3995586A (en) * 1976-01-21 1976-12-07 W. R. Grace & Co. Coating apparatus
US4025660A (en) * 1976-01-21 1977-05-24 W. R. Grace & Co. Method of masking, venting and coating the inside of a receptacle
US5115843A (en) * 1990-11-08 1992-05-26 Fmc Corporation Common base for a plurality of modular fillers
EP0737644A1 (en) * 1995-04-13 1996-10-16 PWA Geräte- und Apparatebau GmbH Bottling device for liquids
US20110277875A1 (en) * 2010-05-11 2011-11-17 Paccar Inc Coolant vacuum fill apparatus and method
US8631836B2 (en) * 2010-05-11 2014-01-21 Paccar Inc Coolant vacuum fill apparatus and method
US10377516B2 (en) * 2014-05-16 2019-08-13 Sluis Cigar Machinery B.V. Filling device
US20170225933A1 (en) * 2014-08-29 2017-08-10 Dr Tech S.R.L Method for filling bottles with wine
CN105174169A (en) * 2015-10-12 2015-12-23 长沙汇一制药机械有限公司 Filling machine
US11427453B2 (en) * 2016-06-13 2022-08-30 Dr Tech S.R.L. Device and method for filling containers with a liquid, in particular for bottling

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