EP0248739A1 - Dosier- und Distributionseinrichtung zum Konditionieren von Flüssigkeiten - Google Patents

Dosier- und Distributionseinrichtung zum Konditionieren von Flüssigkeiten Download PDF

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Publication number
EP0248739A1
EP0248739A1 EP87401269A EP87401269A EP0248739A1 EP 0248739 A1 EP0248739 A1 EP 0248739A1 EP 87401269 A EP87401269 A EP 87401269A EP 87401269 A EP87401269 A EP 87401269A EP 0248739 A1 EP0248739 A1 EP 0248739A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
chamber
piston
metering
reservoir
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87401269A
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English (en)
French (fr)
Other versions
EP0248739B1 (de
Inventor
Roland Torterotot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jagenberg AG
Original Assignee
Torterotot Roland
Erca Holding SARL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Torterotot Roland, Erca Holding SARL filed Critical Torterotot Roland
Publication of EP0248739A1 publication Critical patent/EP0248739A1/de
Application granted granted Critical
Publication of EP0248739B1 publication Critical patent/EP0248739B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • B65B3/30—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement
    • B65B3/32—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement by pistons co-operating with measuring chambers

Definitions

  • the invention relates to a metering and dispensing device for packaging liquid products, in particular food products, in pots or similar containers, comprising a movable piston metering device in a cylindrical metering chamber connected through a valve. shutter at a source of product, a distributor with tubular nozzle directed downwards, provided with an inlet orifice and an ejection orifice, movable longitudinally, and comprising a communicating distribution chamber, of a on the one hand, with the metering chamber and, on the other hand, with the exterior through the tubular nozzle and a shutter member cooperating with said nozzle, and actuation mechanisms of the piston and of the nozzle, one of which acts on the piston and the other on said nozzle so as to lower the latter before filling each container with liquid which it introduces therein under the action of displacement of the piston.
  • the tubular nozzle forms part of a vertically movable dispensing head so as to introduce the nozzle into a container as far as the bottom thereof and out of it. of said container.
  • a sterile enclosure such as a tunnel
  • the movable dispensing head sterilizing the elements of the dispenser which are in contact with the liquid product to be packaged is difficult, in particular that of the container filling nozzle, which is fixed below the movable dispensing head partly in the open air and partly in the tunnel and animated by a vertical movement back and forth.
  • the object of the present invention is to provide a solution to these problems and to propose a dosing device the quantities of which dosed remain substantially constant and which lends itself to easy sterilization.
  • the device according to the invention is first of all characterized by the fact that the metering chamber and the distribution chamber are combined in the same enclosure, that the passage channel of the tubular nozzle is permanently closed at least at the lower end of the nozzle by a transverse cover, that at least one lower orifice for ejection of the nozzle opens on the lateral face of the latter just above the transverse cover, than the wall joining in the same enclosure the metering chamber and the distribution chamber comprises at the bottom a guide tube adjusted to the tubular nozzle which is mounted there in a sealed manner and able to slide there between, on the one hand, a high position in which the orifice ejection is housed inside the guide tube and is isolated from the outside, and the inlet port of said nozzle is located at the top of the distribution chamber which then receives all the nozzle at the exception of the lower end e thereof, and, on the other hand, a low position in which the major part of the nozzle protrudes downwards from the guide tube with the exception of its upper end part whose inlet or
  • the enclosure of the metering device can be mounted outside the tunnel so that only one end piece of the guide tube passes tightly through the upper wall of the tunnel and enters it.
  • perfect and complete sterilization of the dispenser and in particular of the nozzle is possible; it suffices to introduce into the chamber, the nozzle being retracted in the high position, superheated water or steam at a suitable temperature. Thanks to this design, the tubular nozzle is able to descend through the tunnel to the bottom of a container and fill it in a sterile environment with a foaming product.
  • the nozzle is provided with an annular seal. which is applied against the guide tube when the nozzle reaches its high position, so that the outward flow path, effert by the liquid nozzle, is then interrupted.
  • the lower end of the nozzle acts as a valve in association with the guide tube and is capable of ensuring the closure of the distribution chamber and of the metering chamber during a new phase of filling the latter.
  • the arrangement according to the invention makes it possible to eliminate in a simple and elegant manner the gases originating from the liquid which formerly tended to accumulate in the metering chamber.
  • the gas bubbles generally form during the upward stroke of the nozzle and of the piston and go up in the distribution chamber preferably along the tubular nozzle and are stopped in their ascent and gathered under the bubble trap to be finally evacuated with the liquid during the fill the next container. As a result, it is ensured that the containers all receive exactly the desired dose of liquid product.
  • the metering and distribution device as shown in the drawing comprises a metering pump constituted by a cylindrical metering chamber 1 of circular section and vertical axis 20 in which a piston 2 alternately moves, this chamber being connected to a reservoir 21 containing a liquid food product P to be packaged in pots or containers such as the pot 3, by a pipe 4 via an inlet valve, for example with a slide valve 5.
  • the piston 2 is connected by a rod of control 6 to an actuating means 23 which causes it to move over a well-defined stroke between a high position (FIGS. 1, 4 and 5) located at the top of the metering chamber 1 and a low position (dotted lines, 6 and 7) located at the bottom of said chamber 1, at the level of the outlet of the pipe 4.
  • the metering and distribution device also comprises a distribution chamber 24 which, according to a first embodiment, is located next to the metering chamber 1 in the same enclosure 25 as the metering chamber 1 and communicates with said metering chamber 1 through a passage opening 26 formed in the lower part of a partition 27 provided between the two chambers 1 and 24.
  • the two metering chambers 1 and distribution 24 are in this case juxtaposed and their axes 20 and 28 are parallel.
  • the reservoir 21 containing the liquid product to be conditioned P is provided directly above the metering chamber 1 and the distribution chamber 24 so that the bottom of the reservoir 21 simultaneously constitutes the upper wall of the distribution chamber 24 , and communicates directly with the upper face of the piston 2 and the part of the metering chamber 1, located above the piston 2. Therefore, the piston rod 6 passes through the reservoir 21 and the inner face of the wall side of the metering chamber 1 is always well wetted, that is to say lubricated by the liquid product P contained in the reservoir 21.
  • the distribution chamber 24 comprises a tubular nozzle 7 of vertical axis which coincides with that (28) of said chamber 24.
  • the bottom of the distribution chamber 24 is provided with a guide tube 9 adjusted to the tubular nozzle 7 which , at its upper end, is connected to a coaxial solid rod 8 sealingly passing through the bottom wall 21a of the reservoir 21 which, according to FIG. 1, constitutes at the same time the upper wall of the distribution chamber 24.
  • the tubular nozzle 7 has at its upper end, an inlet orifice 11 and, at its lower part, at least one ejection orifice, preferably two lateral ejection orifices 12 diametrically opposite and drilled in the side wall of the tubular nozzle 7 , above an annular seal 10 mounted on the lower end of said nozzle where its passage channel 13 is axially permanently closed by a transverse cover 15.
  • the upper end of the tubular nozzle 7 is connected to its coaxial control rod 8 using a cup or inverted bowl or a rigid cap 14 whose top is integral with said rod 8 and whose concave face surrounds and remotely covers the inlet orifice 11 and is fixed to the upper end of the nozzle 7 using several radial spacing fingers 16.
  • this inverted bowl 14 must act as a trap with bubbles and has a maximum lower periphery which is substantially less than the internal periphery of the distribution chamber 24 to avoid any significant pumping effect when the nozzle 7 moves.
  • the nozzle 7 moves in the distribution chamber 24 between, on the one hand, a high position ( Figures 1, 3, 4 and 7) where it is fully or almost fully retracted in the chamber 24 and where it does not allow the flow of liquid out of it, its lower end being closed by the transverse cover 15 and its lateral ejection orifice 12 then being located inside the guide tube 9 against the lower end of which carries the seal 10 provided on the nozzle 7 below the ejection orifice 12, and on the other hand, a low position ( Figures 5, 6) where it emerges from the distribution chamber 24, its orifice upper inlet 11 then being located slightly above the bottom of the chamber 24 provided with the guide tube 9. This upper orifice 11 is, on the other hand, just above the piston 2 when the latter is in the low position (figure 1, broken lines) and the nozzle 7 in the low position (figure, broken lines).
  • the intake valve 5 provided between the reservoir 21 and the metering and distribution device, and more precisely said, between the distribution chamber 24 and the reservoir 21, is constituted by a slide valve comprising a cylindrical body of circular section 29 resting without play on a cradle of suitable shape, in particular semi-cylindrical 30 also of circular section.
  • the superimposed bottoms of the cradle 30 and the reservoir 21 are pierced with an outlet orifice 31 connected to the upper end of the connecting pipe 4 between the reservoir 1 and the metering and distribution device.
  • the cylindrical body 29 has an axial length which is at least equal to three times the diameter of the outlet orifice 31 and in its middle part a cylindrical annular notch 32 whose axial width is at most equal to the diameter of the orifice of outlet 31.
  • One end of the cylindrical body 29 is provided with a coaxial control rod 33 which passes in leaktight manner through the side wall 22 of the reservoir 21.
  • the inlet valve 5 operates in the same manner as 'A drawer distributor which is open when its annular notch 32 covers the outlet orifice 31 and closed when this orifice 31 is closed by a neighboring part of the cylindrical body 29 ( Figure 2).
  • the lower face 2a of the piston 2 is slightly inclined from the bottom up so that in the low position, that is to say the delivery of the piston 2, the the highest lateral part of the inclined lower face 2a is located approximately halfway up the passage opening 26 and the lowest part of said surface 2a is near the bottom of the metering chamber 1.
  • the metering chamber 1 and the distribution chamber 24 are superimposed in the same enclosure 25 which is here cylindrical in shape with vertical axis 20 and circular section.
  • the lower part of the metering chamber is located directly above the upper part of the dispensing chamber 24 and there is no partition between the two chambers 1 and 24.
  • the pipe for connection 4 between the reservoir 21 and the metering and distribution device opens at its lower end in the upper part of the distribution chamber 24 or in the junction zone between the metering 1 and distribution chambers 24.
  • the upper end of the tubular nozzle 7 can be connected directly to the lower end of the control rod 8 which is solid or closed at its lower end.
  • the bubble trap 14 is here constituted by an inverted bowl or a sort of frustoconical cap which surrounds the lateral inlet orifice (s) 11 in the passage channel 13 of the nozzle and is fixed, by its upper end, to the lower end of the rod 8.
  • the cylindrical enclosure 25 has an axial height which is at least equal to the sum of the maximum strokes of the piston 2 and of the tubular nozzle 7, the piston 2 is of annular shape and pierced with a central opening adjusted so that said piston 2 surrounds and slides in leaktight manner on the control rod 8, and the control rod 6 of the piston 2 is of tubular shape which surrounds a part of the control rod 8, and can slide in leaktight manner on the latter.
  • the nozzle 7 is provided, at its upper part, namely immediately at and above its inlet orifice 11, with an inverted bowl 14 of frustoconical shape combined with that of the cavity 34.
  • the bowl 14, which looks like a small umbrella, is narrower than rooms 1 and 24 so as not to play the role of a piston and be easily bypassed by the liquid when the piston 2 and / or itself moves.
  • the metering and distribution device ends at its lower end, by the guide tube 9 by means of which it can be fixed on a tunnel 17 and which can penetrate inside said tunnel 17 for example sterile which makes part of a packaging installation of the type which thermoforms, fills, closes and cuts the receptacles 3 and in which the bottom of the tunnel 17 supplied with a sterile gas at low overpressure is closed in leaktight manner by a thermoplastic strip 18 in which the pots 3 are shaped with their inner face facing the tunnel 17 rendered sterile for the packaging operations, the sterile gas escaping between the lower edges of the tunnel and the strip 18.
  • the strip 18 progresses step by step under the gripper action 19 of a side drive chain.
  • the reservoir 21 disposed above the metering chamber 1 contains a sterile product P, it is necessary to provide means so that the parts of the rods 6 and 8 passing through the reservoir 1 or penetrating into it remain sterile.
  • the reservoir 21 is closed and partially filled with a sterile liquid product P from a suitable source and through a valve 35 whose opening is controlled by a first level probe 36 indicating the minimum level of the product. liquid P in the reservoir 21 and the closing of which is controlled by a second level probe 37 which indicates the maximum level of the product P.
  • the upper free space 38 of the reservoir 21 above the product P is constantly filled and supplied with sterile air at slight overpressure through an orifice 39.
  • the upper ends of the tubular piston rod 6 and the control rod 8 move in the upper free space 38 and are connected separately to two actuation rods 40, 41 whose lower ends move vertically along stroke lengths corresponding respectively to the strokes of the piston 2 and of the nozzle tubular 7.
  • actuating rods 40, 41 with vertical parallel axes also pass through a sterile airlock chamber 42 provided above the reservoir 21, while being tightly guided in the horizontal partition wall 43 between the airlock chamber 42 and the reservoir 21 and in the horizontal upper wall 44 of said chamber 42 supplied continuously with sterilized air at slight overpressure which enters this chamber 42 through an upper orifice 45 and leaves it through a lower orifice 46.
  • the height of the airlock chamber 42 is at least equal to the maximum stroke of the piston 2 or of the tubular nozzle 7, and the pressure of sterile air in this airlock chamber 42 is lower than the pressure of the sterile air in the tank 21.
  • the operation of the metering and distribution device is as follows:
  • the valve 5 is closed, the piston 2 is in the high position and the nozzle 7 descends from its high position in which the bubble trap 14 is located slightly above the mouth of the pipe 4, to take its low position where its lateral ejection orifice 12 is located near the bottom of the pot 3 to be filled ( Figure 5).
  • the pot or container 3 is filled by lowering the piston 2 forcing the liquid to enter the nozzle 7 through its upper inlet orifice 11 to exit therefrom, via its internal passage duct 13, through its ejection orifice lower 12, which is preferably maintained constantly above the bottom of the pot 3.
EP87401269A 1986-06-05 1987-06-05 Dosier- und Distributionseinrichtung zum Konditionieren von Flüssigkeiten Expired - Lifetime EP0248739B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8608138 1986-06-05
FR8608138A FR2599711B1 (fr) 1986-06-05 1986-06-05 Dispositif de dosage et de distribution pour le conditionnement de produits liquides

Publications (2)

Publication Number Publication Date
EP0248739A1 true EP0248739A1 (de) 1987-12-09
EP0248739B1 EP0248739B1 (de) 1990-10-17

Family

ID=9336045

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87401269A Expired - Lifetime EP0248739B1 (de) 1986-06-05 1987-06-05 Dosier- und Distributionseinrichtung zum Konditionieren von Flüssigkeiten

Country Status (8)

Country Link
US (1) US4798235A (de)
EP (1) EP0248739B1 (de)
JP (1) JPH0794998B2 (de)
AU (1) AU596188B2 (de)
CA (1) CA1287334C (de)
DE (1) DE3765580D1 (de)
ES (1) ES2019952B3 (de)
FR (1) FR2599711B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821927A (en) * 1984-04-04 1989-04-18 Spraying Systems Co. Liquid dispensing gun
DE3837097A1 (de) * 1988-11-01 1990-05-03 Profor Ab Verfahren zum entlueften einer befuellungsanlage und vorrichtung zur durchfuehrung eines solchen verfahrens
FR2639321B1 (fr) * 1988-11-18 1991-02-22 Torterotot Roland Procede et dispositif de sterilisation d'une installation de conditionnement de produits alimentaires ou pharmaceutiques
US20050127103A1 (en) * 2002-02-20 2005-06-16 Vallid Limited Dispensing machine
DE202006019136U1 (de) * 2006-12-18 2008-02-14 Krones Ag Vorrichtung zum Behandeln von offenen Gefäßen
ITTV20090218A1 (it) * 2009-11-11 2011-05-12 Galdino Candiotto Sistema di dosatura volumetrico a pistoni asettico
US11014696B2 (en) * 2017-07-12 2021-05-25 Vanrx Pharmasystems Inc. Purgeable pharmaceutical fill needle
DE102013109969A1 (de) * 2013-09-11 2015-03-12 Krones Ag Vorrichtung zum Dosieren eines Füllprodukts in einen zu befüllenden Behälter
US11718427B1 (en) * 2022-05-01 2023-08-08 Vital Manufacturing Inc. Volumetric isobaric filling system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2179188A1 (de) * 1972-04-05 1973-11-16 Mather & Platt Ltd
US3841363A (en) * 1971-12-30 1974-10-15 Rostgo Int Corp Container filling machine
DE2711208A1 (de) * 1977-03-15 1978-09-21 Siegfried Ammann Verfahren und vorrichtung zum dosieren und abfuellen insbesondere hochviskoser medien
DE3024489A1 (de) * 1980-06-28 1982-01-21 Josef 4422 Ahaus Finnah Vorrichtung zum portionsweisen abfuellen von fluessigen oder pastoesem fuellgut in behaeltnisse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097672A (en) * 1960-06-30 1963-07-16 Chemetron Corp Magnetic valve control mechanism for receptacle filling machines
US3168225A (en) * 1961-03-06 1965-02-02 Chemetron Corp Valve arrangement for receptacle filling machines
BE758731A (fr) * 1969-11-24 1971-04-16 Intercan Sa Dispositif doseur et distributeur pour produits liquides et pateux
US3850345A (en) * 1973-11-28 1974-11-26 Fmc Corp Filling valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3841363A (en) * 1971-12-30 1974-10-15 Rostgo Int Corp Container filling machine
FR2179188A1 (de) * 1972-04-05 1973-11-16 Mather & Platt Ltd
DE2711208A1 (de) * 1977-03-15 1978-09-21 Siegfried Ammann Verfahren und vorrichtung zum dosieren und abfuellen insbesondere hochviskoser medien
DE3024489A1 (de) * 1980-06-28 1982-01-21 Josef 4422 Ahaus Finnah Vorrichtung zum portionsweisen abfuellen von fluessigen oder pastoesem fuellgut in behaeltnisse

Also Published As

Publication number Publication date
FR2599711A1 (fr) 1987-12-11
AU596188B2 (en) 1990-04-26
CA1287334C (en) 1991-08-06
AU7400887A (en) 1987-12-10
DE3765580D1 (de) 1990-11-22
JPS6388405A (ja) 1988-04-19
EP0248739B1 (de) 1990-10-17
JPH0794998B2 (ja) 1995-10-11
US4798235A (en) 1989-01-17
ES2019952B3 (es) 1991-07-16
FR2599711B1 (fr) 1988-09-23

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