EP3326961A1 - Verfahren und füllvorrichtung zum kontaktfüllen eines artikels mit einem schüttfähigen produkt - Google Patents

Verfahren und füllvorrichtung zum kontaktfüllen eines artikels mit einem schüttfähigen produkt Download PDF

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Publication number
EP3326961A1
EP3326961A1 EP16306551.9A EP16306551A EP3326961A1 EP 3326961 A1 EP3326961 A1 EP 3326961A1 EP 16306551 A EP16306551 A EP 16306551A EP 3326961 A1 EP3326961 A1 EP 3326961A1
Authority
EP
European Patent Office
Prior art keywords
article
pressure
chamber
filling
pourable product
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.)
Withdrawn
Application number
EP16306551.9A
Other languages
English (en)
French (fr)
Inventor
Stefano d'Errico
Stefano PINI
Filippo Bandini
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.)
Sidel Participations SAS
Original Assignee
Sidel Participations SAS
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 Sidel Participations SAS filed Critical Sidel Participations SAS
Priority to EP16306551.9A priority Critical patent/EP3326961A1/de
Priority to PCT/EP2017/078282 priority patent/WO2018095714A1/en
Publication of EP3326961A1 publication Critical patent/EP3326961A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves
    • B67C3/287—Flow-control devices, e.g. using valves related to flow control using predetermined or real-time calculated parameters
    • B67C3/288—Flow-control devices, e.g. using valves related to flow control using predetermined or real-time calculated parameters using master-slave controls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
    • B67C3/22—Details
    • B67C3/28—Flow-control devices, e.g. using valves
    • B67C3/287—Flow-control devices, e.g. using valves related to flow control using predetermined or real-time calculated parameters

Definitions

  • the present invention relates to a method and filling device for contact filling of an article with pourable product, in particular a carbonated pourable food product such as beer or mineral water.
  • Filling machines comprising a filling station, which is fed at the input with empty articles, and supplies at the output articles filled with the pourable product.
  • the filling station substantially comprises a carousel conveyor rotating about an axis of rotation; a tank containing the pourable product; and a number of filling devices fluidly connected to the tank and fitted to the conveyor, radially outwards of the axis of rotation of the conveyor.
  • the conveyor comprises a number of supports for positioning the mouths of the relative articles beneath the respective valves, and for moving the relative articles along an arc-shaped path about the axis of rotation and integrally with the respective valves.
  • Each support is also movable parallel to a respective second axis, which is parallel to and spaced from the axis of rotation of the carousel, between a lowered rest position and a raised operative position.
  • Each filling device substantially comprises a fastening body for attachment to the conveyor and defining a filling chamber connected fluidly to the tank; and a filling head fitted to the relative fastening body.
  • Each filling head comprises a first fluidic line which extends from the tank to the mouth article, and a shutter movable inside the chamber between a closed position cutting off flow of the pourable product along the first fluidic line, and an open position connecting the chamber fluidly to the mouth to allow flow of the pourable product along the first fluidic line.
  • each filling head comprises a second fluidic line, which extends between the tank or a collector filled with a gas and the inner volume of the article and is configured to allow the pressurization of the article before the filling thereof and the return of the gas contained inside the article, during the filling thereof.
  • Each support receives the article to be filled at an inlet station of the arc-shaped path and discharges the filled articles at an outlet station of the arc-shaped path. Furthermore, each article is filled by relative filling head with the pourable product, as it is advanced by relative support along the arc-shaped path.
  • each support is arranged in the respective lowered rest position at the inlet station and the outlet station of the arc-shaped path.
  • relative mouth is spaced along respective second axis from the body of the relative filling device.
  • Each support is arranged in the relative raised operative position along the arc-shaped path. Due to the fact that each article is contact filled by relative filling device, it is arranged in tight-fluid contact with the body of relative filling device along the arc-shaped path.
  • the filling device comprises a flow-meter for measuring the flow of the pourable product which fills the article and the shutter is moved back into the closed position when the flow-meter has detected that a desired volume of pourable product has filled the article.
  • the filling device with a probe, e.g. an inductive probe, for determining the level of the pourable product, and which projects inside the relative article once the article is positioned beneath the relative filling valve.
  • a probe e.g. an inductive probe
  • the shutter is moved in the closed position.
  • a first drawback of the filling devices of the type described above is that, given the position of the probes projecting inside the relative articles, the explosion of or damage to the articles during the filling process may easily result in damage to the probe, thus resulting in stoppage of the filling machine.
  • the glass of damaged articles can break the isolation of the probes and/or can remain between the corresponding probes and the corresponding filling bodies.
  • a second drawback of the filling devices of the type described above is that they require a considerable stroke of the supports between the relative lowered rest position and the relative raised operative position.
  • each probe protrudes downwardly into the relative article for a given height, associated to the desired level to be attained.
  • the supports are required to move below the probe, when they are in the relative lowered rest position.
  • a third drawback of the filling devices of the type described above is that they require a longer cleaning device, commonly known as "dummy bottle” for sterilizing the probe with a sterilizing agent, with respect to the filling devices normally used for contact filling pourable product inside plastic articles. This is due to the fact that each cleaning device must be shaped to accommodate also the relative probe, which protrudes from the relative filling head.
  • a fourth drawback of the filling devices of the type described above is that they require the whole replacement of the probe in order to vary the desired filling level to be attained.
  • a fifth drawback of the filling devices of the type described above is that they are quite different with respect to the filling devices normally used for contact filling pourable product inside plastic articles, mainly for comprising the probe.
  • EP-B-2949618 in the name of the same Applicant discloses a filling device which comprises a control unit programmed for measuring the empty volume of the article, i.e. the volume not-filled with pourable product, during the filling of the article.
  • the filling device comprises:
  • the additional valves cyclically increases and reduces the pressure along the second fluidic line and the empty volume.
  • the first valve is controllable to interrupt the flow of the gas for a time interval necessary to obtain a given increase of pressure inside the empty volume.
  • the control unit is programmed for measuring the empty volume on the basis of this time interval, the given increase in pressure and the flow detected by the flow-meter.
  • the present invention also relates to a filling for contact filling an article with a pourable product, as claimed in claim 13.
  • number 1 indicates a filling device for contact filling an article, hereinafter referred to as container 2, with a pourable product, especially a carbonated food pourable product, beer in the embodiment shown.
  • Container 2 comprises, in a known manner,:
  • Filling device 1 substantially comprises:
  • Tank 13 is filled, in the embodiment shown, with the pourable product and with an aeriform, a gas formed by carbon dioxide in the embodiment shown.
  • Support 20 is movable parallel to axis A between:
  • container 2 When support 20 is in the raised operative position, container 2 preferably undergoes the following operations according the so-called contact filling modality:
  • Filling device 1 further comprises:
  • fluidic line 19 extends between opening 14 and a collector distinct from tank 13 and filled with the pressurizing gas.
  • valve 22 can be selectively set either in:
  • valve 22 is set in the respective open position, during the pressurization step of container 2 ( Figure 4 ) and the filling step of container 2, while it is set in the respective closed positions when the vacuum-generation step and during the de-pressurization step.
  • Body 10 further comprises:
  • Valve 42 is set in the open position, during the de-pressurization step of container 2, while is set in the closed position while the other operations are carried out on container 2.
  • body 10 comprises:
  • Valve 52 is set in the open position during the vacuum generation step of container 2; and is set in the closed position during the other operations on container 2.
  • Filling device 1 further comprises a flow-meter 45, which is arranged along fluidic line 11 and upstream of shutter 15, with reference to the advancing direction of the pourable product from tank 13 to container 2.
  • Flow-meter 45 is adapted to measure the flow - and, therefore, the quantity - of pourable product filled inside container 2, when shutter 15 is in the open position.
  • Filling device 1 also comprises a control unit 60 (only schematically shown in Figures 1 to 5 ), which is programmed for comparing the measure of the flow delivered by flow-meter 45 with a set-point value Q and to displace shutter 15 in the closed position when the flow measured by flow-meter 45 equals a set-point value Q.
  • a control unit 60 (only schematically shown in Figures 1 to 5 ), which is programmed for comparing the measure of the flow delivered by flow-meter 45 with a set-point value Q and to displace shutter 15 in the closed position when the flow measured by flow-meter 45 equals a set-point value Q.
  • the set-point value Q is determined on the basis of the format of container 2 to be filled and defines, therefore, an objective filling amount for flow-meter 45.
  • control unit 60 is programmed for calculating actual volume V2 of container 2 and for correcting given set-point value Q on the basis of actual volume V2 of container 2.
  • set-point value Q equals 1 litre and is corrected, for example, to 1.01 litre on the basis of actual volume V2.
  • filling device 1 comprises:
  • valve 71 When it is set in the open position, valve 71 establishes a fluidic connection between chamber 70 and filling opening 14 and, therefore, between chamber 70 and container 2.
  • valve 71 When it is in the closed position, valve 71 prevents the fluidic connection between chamber 70 and filling opening 14 and, therefore between chamber 70 and container 2.
  • valve 71 is interposed between filling opening 14 and chamber 70 along fluidic line 11.
  • Chamber 70 is interposed between valves 22, 71 along fluidic line 11.
  • volume V1 of chamber 70 is smaller than volume V2 of container 2.
  • valve 22 When valve 22 is set by control unit 60 in the open position ( Figures 2, 4 and 5 ), chamber 70 is fluidly connected with tank 13.
  • valve 22 When valve 22 is set by control unit 60 in the closed position ( Figures 1 and 3 ), chamber 70 is fluidly isolated from tank 13.
  • Filling device 1 also comprises a sensor 73 which is adapted to measure the pressure inside chamber 70.
  • sensor 73 is arranged at chamber 70 and has a sensible element arranged inside chamber 70.
  • control unit 60 is programmed, when shutter 15 is in the closed position and before the filling of container 2, to:
  • control unit 60 is programmed to estimate actual volume V2 on the basis of volume V1 of chamber 70; pressures p2, p1 existing in chamber 70 and container 2 respectively when they are fluidly isolated from one another; and equalizing pressure pT existing in both chamber 70 and container 2 when they are fluidly connected with one another.
  • pressures p1, p2 and pT sensed by sensor 73 in each of the step shown in Figures 1 to 5 is indicated in the schematic representation of control unit 60 in Figures 1 to 5 .
  • pressure p2 is the pressure existing in both chamber 70 and container 2 due to the previous not-shown operations
  • pressure p1 is the pressure existing inside tank 13.
  • Pressure p1 is higher than pressure p2 and equalizing pressure pT is lower than pressure p1 and higher than pressure p2.
  • control unit 60 is programmed to subsequently:
  • Formula (3) can be derived by the fact that container 2 remains at pressure p2 when valve 22 is set in the closed position by control unit 60 ( Figure 1 ).
  • Formula (4) can be derived by the fact chamber 70 is pressurized at pressure p1 when valve 22 is set in the open position by control unit 60 ( Figure 2 ).
  • Control unit 60 is also programmed to subsequently:
  • Filling device 1 is preferably incorporated in a filling station 100, which substantially comprises:
  • Filling devices 1 are spaced from and extend along respective axes parallel to the axis of rotation of carousel.
  • Supports 20 are driven in rotation by carousel, receive relative empty containers 2 at an inlet station (not-shown), convey relative containers 2 along an arc-shaped trajectory, and output filled containers 2 at an outlet station (not-shown).
  • each support 20 is arranged in the relative rest position at inlet station and at the outlet station, and moves from the relative rest position to the lowered position and vice-versa along the arc-shaped trajectory.
  • Filling station 100 further defines a single tank 13, a single flow-meter 45 and single collectors 41, 51 for all filling devices 1.
  • filling device 1 Very briefly, the operation of filling device 1 can be summarized in this way:
  • control unit 60 sets shutter 15, 22, 42, 52 in the closed position and valve 71 in the open position.
  • the pressure inside chamber 70 is pressure p2, which corresponds to the pressure from the previous operations of filling device.
  • valve 71 is set in the open position, pressure p2 is generated also in container 2 and sensed by sensor 73.
  • control unit 60 sets valve 22 in the open position and valve 71 in the closed position.
  • chamber 70 is fluidly connected to tank 13 and pressurized at pressure p1 while container 2 is fluidly isolated from chamber 70 and remains at pressure p2.
  • sensor 73 senses pressure p1 inside chamber 70.
  • control unit 60 sets valve 22 in the closed position and valve 71 in the open position.
  • chamber 70 is fluidly connected to container 2.
  • Chamber 70 and container 2 reach an equalization pressure pT which is sensed by sensor 73.
  • Control unit 60 estimates volume V2 of article 2 on the basis of volume V1 of chamber 70, pressures p1, p2 and equalizing pressure pT.
  • control unit 60 sets also valve 22 in the open position.
  • the gas contained in tank 13 flows along fluidic line 21 and pressurizes container 2.
  • control unit 60 sets also shutter 15 in the open position ( Figure 5 ).
  • the pourable product contained in tank 13 flows along fluidic line 11 inside article 2, up to when flow-meter 45 detects that the corrected amount of pourable product has filled container 2.
  • control unit 60 sets shutter 15 in the closed position and the filling of container 2 is completed.
  • 1' indicates, as a whole, a filling device according to a second embodiment of the present invention.
  • the filling device 1' is similar to filling device 1 and will be described hereinafter only as far as it differs therefrom; corresponding or equivalent parts of filling devices 1 and 1' will be indicated where possible by the same reference numbers.
  • filling device 1' differs from filling device 1 in that sensor 73 is configured to detect the pressure at filling opening 14 and, therefore, inside container 2.
  • sensor 73 is arranged on body 10 has a sensible element fluidly connected to filling opening 14.
  • filling device 1' differs from the operation of filling device 1 in that pressure p1 is sensed by sensor 73 during the pressurization step ( Figure 9 ) and, therefore, volume V2 is estimated by control unit 60 during pressurization step ( Figure 9 ) and after chamber 70 and container 2 have reached equalization pressure pT.
  • chamber 70 is at the same pressure p1:
  • chamber 70 is, in both the cases, fluidly connected to tank 13 by means of valve 22.
  • 1" indicates, as a whole, a filling device according to a second embodiment of the present invention.
  • the filling device 1" is similar to filling device 1 and will be described hereinafter only as far as it differs therefrom; corresponding or equivalent parts of filling devices 1" and 1 will be indicated where possible by the same reference numbers.
  • Filling device 1" differs from filling device 1 in that sensor 73 is configured to detect the pressure at filling opening 14 and, therefore, inside container 2.
  • sensor 73 is arranged on body 10 has a sensible element fluidly connected to filling opening 14.
  • filling device 1" differs from filling device 1 in that chamber 70" is arranged along fluidic line 40 between opening 14 and valve 42, for comprising a valve 80" interposed between opening 14 and chamber 70", and for not comprising valve 71.
  • Filling device 1" also differs from filling device 1 in that control unit 60" is configured to:
  • Control unit 60 is also programmed to subsequently:
  • filling device 1" differs from that of filling device 1 for the steps carried out by control unit 60 to estimate volume V2 of container 2.
  • control unit 60 sets valves 22, 42 and shutter 15 in the closed position and sets valve 80" in the open position.
  • pressure inside container 2 and chamber 70 is pressure p2, which corresponds to the pressure from the previous operations of filling device.
  • control unit 60 sets valve 22 in the open position and valve 80" in the closed position ( Figure 12 ).
  • container 2 is fluidly connected to tank 13.
  • control unit 60 sets valve 22 in the closed position and valve 80" in the open position.
  • equalizing pressure pT is generated in both container 2 and chamber 70.
  • control unit 60 sets valve 22 in the open position, so as to pressurize container 2 at the pressure of pourable product contained inside tank 3.
  • control unit 60 sets valve 22 in the closed position and shutter 15 in the open position, so as to fill container 2 with the pourable product.
  • control unit 60, 60" is programmed for calculating volume V1 of container 2 and for correcting amount Q, which corresponds to the quantity of pourable product to be detected by flow-meter 45 for displacing shutter 15 in the closed position.
  • filling device 1, 1', 1" reaches this technical effect without requiring to substantially redesign the known filling device. It is therefore only required to add a chamber 70, 70" to known filling device and to selectively fluidly connect/isolate it with/from the inner volume of container 2, so as to generated pressure p1, p2 and equalizing pressure pT.
  • Filling device 1, 1', 1" advantageously makes use of the aeriform in tank 13 to generate pressure p1 inside chamber 70 or container 2. Thus, there is no need for an additional hydraulic circuits to generate pressure p2 inside chamber 70 or container 2.
  • Chamber 70" of filling device 1" is fed with aeriform escaping from container 2, when valve 80" is set in the open position to generate equalizing pressure pT in container 2 and chamber 70".

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  • Basic Packing Technique (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
EP16306551.9A 2016-11-24 2016-11-24 Verfahren und füllvorrichtung zum kontaktfüllen eines artikels mit einem schüttfähigen produkt Withdrawn EP3326961A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16306551.9A EP3326961A1 (de) 2016-11-24 2016-11-24 Verfahren und füllvorrichtung zum kontaktfüllen eines artikels mit einem schüttfähigen produkt
PCT/EP2017/078282 WO2018095714A1 (en) 2016-11-24 2017-11-06 Method and filling device for contact filling an article with pourable product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16306551.9A EP3326961A1 (de) 2016-11-24 2016-11-24 Verfahren und füllvorrichtung zum kontaktfüllen eines artikels mit einem schüttfähigen produkt

Publications (1)

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EP3326961A1 true EP3326961A1 (de) 2018-05-30

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EP16306551.9A Withdrawn EP3326961A1 (de) 2016-11-24 2016-11-24 Verfahren und füllvorrichtung zum kontaktfüllen eines artikels mit einem schüttfähigen produkt

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EP (1) EP3326961A1 (de)
WO (1) WO2018095714A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5273082A (en) * 1991-05-27 1993-12-28 Seitz Enzinger Noll Maschinenbau Aktiengesellschaft Method and apparatus for filling containers
GB2288168A (en) * 1994-04-05 1995-10-11 Bwi Dawson Master - slave filling valve system for bottling machine
US20120255644A1 (en) * 2010-01-27 2012-10-11 Khs Gmbh Method and filling system for pressure-filling containers
EP2949618B1 (de) 2014-05-30 2016-08-31 Sidel S.p.a. Con Socio Unico Verfahren und Vorrichtung zum Kontaktfüllen eines Artikels mit einem fliessfähigen Produkt

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5273082A (en) * 1991-05-27 1993-12-28 Seitz Enzinger Noll Maschinenbau Aktiengesellschaft Method and apparatus for filling containers
GB2288168A (en) * 1994-04-05 1995-10-11 Bwi Dawson Master - slave filling valve system for bottling machine
US20120255644A1 (en) * 2010-01-27 2012-10-11 Khs Gmbh Method and filling system for pressure-filling containers
EP2949618B1 (de) 2014-05-30 2016-08-31 Sidel S.p.a. Con Socio Unico Verfahren und Vorrichtung zum Kontaktfüllen eines Artikels mit einem fliessfähigen Produkt

Also Published As

Publication number Publication date
WO2018095714A1 (en) 2018-05-31

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