EP1125844A1 - Verpackungsmaschine zum Herstellen von gesiegelten Verpackungen für flüssige Nahrungsmittel gekennzeichnet durch ein verbessertes Füllrohr - Google Patents
Verpackungsmaschine zum Herstellen von gesiegelten Verpackungen für flüssige Nahrungsmittel gekennzeichnet durch ein verbessertes Füllrohr Download PDFInfo
- Publication number
- EP1125844A1 EP1125844A1 EP00830114A EP00830114A EP1125844A1 EP 1125844 A1 EP1125844 A1 EP 1125844A1 EP 00830114 A EP00830114 A EP 00830114A EP 00830114 A EP00830114 A EP 00830114A EP 1125844 A1 EP1125844 A1 EP 1125844A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube
- food product
- fill conduit
- pressure
- packaging material
- 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
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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
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
Definitions
- the present invention relates to a packaging machine for continuously producing sealed packages of pourable food products.
- Machines for packaging pourable food products such as fruit juice, wine, tomato sauce, pasteurized or long-storage (UHT) milk, etc.
- pourable food products such as fruit juice, wine, tomato sauce, pasteurized or long-storage (UHT) milk, etc.
- UHT long-storage
- the packaging material has a multilayer structure comprising a layer of paper material covered on both sides with layers of heat-seal plastic material, e.g. polyethylene, and, in the case of aseptic packages for long-storage products, such as UHT milk, also comprises a layer of barrier material defined, for example, by an aluminium film, which is superimposed on a layer of heat-seal plastic material and is in turn covered with another layer of heat-seal plastic material eventually defining the inner face of the package contacting the food product.
- heat-seal plastic material e.g. polyethylene
- barrier material defined, for example, by an aluminium film
- the strip of packaging material is unwound off a reel and fed through a sterilizing unit in which it is sterilized, for example, by immersion in a chamber containing a liquid sterilizing agent, normally a concentrated hydrogen peroxide and water solution.
- a liquid sterilizing agent normally a concentrated hydrogen peroxide and water solution.
- the sterilizing agent is removed, e.g. vaporized by heating, from the surfaces of the packaging material; and the strip of packaging material so sterilized is maintained in a closed sterile environment, and is folded and sealed longitudinally to form a tube.
- the tube is filled with the sterilized or sterile-processed food product, and is gripped, sealed and cut at equally spaced cross sections to form pillow packs, which are then folded mechanically to form the finished, e.g. substantially parallelepiped-shaped, packages.
- the food product is fed into the tube of packaging material by means of a fill circuit having a fill conduit in turn having an open-bottomed vertical portion extending coaxially inside the tube.
- known packaging machines normally also comprise control devices for controlling food product flow along the fill conduit.
- control devices comprise a float mounted to slide axially along a bottom end portion of the vertical portion of the fill conduit, and connected by a lever connecting mechanism to a throttle valve for regulating flow along the fill conduit. More specifically, each time the tube of packaging material is gripped and sealed transversely, the level of the product fed into the tube rises, thus raising the float, which, over and above a predetermined level, closes the throttle valve by means of the lever connecting mechanism, thus cutting off food product flow into the tube of packaging material.
- control devices substantially comprise a flow-regulating solenoid valve fitted to a portion of the fill conduit upstream from the vertical portion; a level sensor for detecting the food product level inside the tube of packaging material; and a control unit for controlling the solenoid valve on the basis of a signal from the level sensor.
- Known level sensors may be located either outside the tube of packaging material to determine the position of a float indicating the food product level inside the tube, or on the fill conduit to directly determine by contact a predetermined level of the food product inside the tube of packaging material.
- known fill conduits normally comprise, on the outside, close to the bottom end of the vertical downstream portion, a pressure flange for counteracting upsurge of the food product along the tube of packaging material when the tube is gripped transversely.
- the pressure flange is substantially annular, extends radially from the vertical portion of the fill conduit towards the inner surface of the tube of packaging material, and is normally located beneath the float or level sensor of the device controlling food product flow along the fill conduit.
- Pressure flanges of the above type have the drawback of producing severe counterpressure peaks during formation of the package, and especially when the tube of packaging material is gripped transversely.
- a packaging machine for producing sealed packages of a pourable food product from a tube of packaging material, which is sealed longitudinally, is fed along a vertical downward path, is filled continuously with said food product by means of a fill conduit, and is gripped under pressure and sealed along equally spaced cross sections; said fill conduit having an open-bottomed end portion extending inside said tube of packaging material and having, externally, a pressure flange for counteracting upsurge of the food product along said tube when the tube is gripped transversely; characterized in that said pressure flange comprises at least one break region defining at least two adjacent tab portions, which are flexible by the pressure inside said tube to define, for the food product, a respective passage increasing gradually in section alongside an increase in said pressure.
- Number 1 in Figure 1 indicates as a whole a packaging machine for producing sealed packages 2 of a pourable food product, such as pasteurized or UHT milk, fruit juice, wine, etc., from a tube 3 of packaging material sealed longitudinally and having an axis A.
- a pourable food product such as pasteurized or UHT milk, fruit juice, wine, etc.
- the packaging material has a multilayer structure (not shown), and comprises a layer of fibrous material, normally paper, covered on both sides with respective layers of heat-seal plastic material, e.g. polyethylene.
- the packaging material also comprises a layer of barrier material, defined for example by an aluminium film, which is superimposed on a layer of heat-seal plastic material and is in turn covered with another layer of heat-seal plastic material eventually contacting the food product.
- Tube 3 is formed in known manner - therefore not described in detail - by longitudinally folding and sealing a strip 4 of heat-seal sheet material, is filled with the sterilized or sterile-processed food product by means of a fill conduit 5 extending partly inside tube 3 and forming part of a known fill circuit (not shown), and is fed by known devices along a vertical downward path, coincident with axis A, to a forming station 6, where it is gripped and sealed at equally spaced cross sections by respective pairs of jaws 7.
- tube 3 is cut along said cross sections to form a number of sealed pillow packs 8, which are later subjected to mechanical folding operations (not shown by not forming part of the present invention) to form the finished packages 2.
- fill conduit 5 is upside-down-L-shaped and comprises a flow-regulating valve 9. More specifically, fill conduit 5 comprises a substantially horizontal upstream portion 10 fitted with valve 9; and a vertical downstream portion 11 extending coaxially inside tube 3 of packaging material and having an open bottom end 12.
- Packaging machine 1 also comprises a device 15 for controlling the pourable food product level inside tube 3 and of the type comprising, for example, a float 16 fitted to slide axially on downstream portion 11 of fill conduit 5 and supporting a number of magnetic elements (not shown), and a Hall-effect sensor 17 located outside tube 3 and which interacts with float 16 to generate a level signal by which to regulate inflow of the pourable food product into tube 3. More specifically, sensor 17 is located upstream from forming station 6 and supported by an arm not shown.
- the pourable food product level inside tube 3 may be controlled and regulated by control devices other than device 15, e.g. by those described in the introduction to the present description.
- fill conduit 5 is provided, on the outside, close to bottom end 12, with a pressure flange 20 for counteracting upsurge of the food product along tube 3 of packaging material, when tube 3 is gripped transversely between pairs of jaws 7.
- Flange 20 is substantially defined by a thin disk of flexible material, having a central hole and fitted, e.g. welded, to downstream portion 11 of fill conduit 5, has a circular, radially outer, peripheral edge 21, and is housed with a certain amount of radial clearance inside tube 3 of packaging material.
- flange 20 comprises a number of - in the example shown, three - transverse slits 22 extending towards fill conduit 5 from outer peripheral edge 21, and dividing flange 20 into a number of tab portions 23, which are flexible in a direction substantially parallel to axis A by the pressure of the food product inside tube 3, so as to define, for the food product, respective passages increasing gradually in section alongside an increase in pressure.
- slits 22 are equally spaced angularly about axis A, are substantially upside-down-L-shaped, and each comprise a straight, radial first portion 24 extending from peripheral edge 21, and a straight second portion 25, which extends perpendicularly from one end of portion 24 substantially along an intermediate circumferential strip of flange 20, is separated radially from fill conduit 5, and terminates in a through hole 26 having an axis parallel to axis A and of a diameter larger than the width of slit 22.
- Portions 25 extend from one side of respective portions 24, and are all oriented in the same direction - anticlockwise in Figure 3 - about axis A.
- Each tab portion 23 comprises a radially inner, annular portion fixed to fill conduit 5 and extending between fill conduit 5 and portions 25 of slits 22; and a flexible, radially outer, annular portion defined laterally by portions 24 of respective slits 22.
- the thrust exerted by the food product on flange 20 flexes tab portions 23 in a direction parallel to axis A, and gradually increases the passage sections defined by slits 22, thus increasing food product flow through flange 20.
- holes 26 and portions 25 of slits 22 provide for preventing fatigue failure of flange 20, which would occur at the inner ends of straight radial slits.
- tab portions 23 may overlap slightly laterally, and be separated by respective variously shaped regions defining breaks in the material of flange 20.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00830114A EP1125844B1 (de) | 2000-02-18 | 2000-02-18 | Verpackungsmaschine zum Herstellen von gesiegelten Verpackungen für flüssige Nahrungsmittel mit einem verbesserten Füllrohr |
DE60014314T DE60014314D1 (de) | 2000-02-18 | 2000-02-18 | Verpackungsmaschine zum Herstellen von gesiegelten Verpackungen für flüssige Nahrungsmittel mit einem verbesserten Füllrohr |
AT00830114T ATE277815T1 (de) | 2000-02-18 | 2000-02-18 | Verpackungsmaschine zum herstellen von gesiegelten verpackungen für flüssige nahrungsmittel mit einem verbesserten füllrohr |
JP2001008777A JP2001233307A (ja) | 2000-02-18 | 2001-01-17 | 流動食品の密封パッケージを製造するための改良された充填導管を特徴とする包装機械 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00830114A EP1125844B1 (de) | 2000-02-18 | 2000-02-18 | Verpackungsmaschine zum Herstellen von gesiegelten Verpackungen für flüssige Nahrungsmittel mit einem verbesserten Füllrohr |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1125844A1 true EP1125844A1 (de) | 2001-08-22 |
EP1125844B1 EP1125844B1 (de) | 2004-09-29 |
Family
ID=8175187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00830114A Expired - Lifetime EP1125844B1 (de) | 2000-02-18 | 2000-02-18 | Verpackungsmaschine zum Herstellen von gesiegelten Verpackungen für flüssige Nahrungsmittel mit einem verbesserten Füllrohr |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1125844B1 (de) |
JP (1) | JP2001233307A (de) |
AT (1) | ATE277815T1 (de) |
DE (1) | DE60014314D1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2189375A1 (de) * | 2008-11-24 | 2010-05-26 | Tetra Laval Holdings & Finance SA | Verpackungseinheit zur Herstellung versiegelter Verpackungen eines Lebensmittels, das in eine Hülse aus Verpackungsmaterial gegossen werden kann |
EP2277781A1 (de) * | 2008-05-11 | 2011-01-26 | Tetra Laval Holdings & Finance SA | Packungsfüllgerät |
CN1948088B (zh) * | 2005-10-14 | 2011-03-02 | 利乐拉瓦尔集团及财务有限公司 | 控制管道平滑度的方法和装置 |
EP3623301A1 (de) * | 2018-09-11 | 2020-03-18 | Tetra Laval Holdings & Finance S.A. | Verpackungsvorrichtung zur formung versiegelter packungen |
US11548238B2 (en) | 2018-09-10 | 2023-01-10 | Tetra Laval Holdings & Finance S.A. | Method for forming a tube and a method and a packaging machine for forming a package |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008008961A1 (de) | 2008-02-13 | 2009-08-20 | Interstuhl Büromöbel GmbH & Co. KG | Kopf- und/oder Nackenstütze |
US8938938B2 (en) | 2008-05-11 | 2015-01-27 | Tetra Laval Holdings & Finance S.A. | Packaging and filling machine |
JP2010143627A (ja) * | 2008-12-21 | 2010-07-01 | Nihon Tetra Pak Kk | 包装充填装置 |
JP2010274971A (ja) * | 2009-05-29 | 2010-12-09 | Nihon Tetra Pak Kk | 包装充填装置 |
JP6322449B2 (ja) * | 2014-03-13 | 2018-05-09 | 四国化工機株式会社 | 充填包装機のプレッシャフランジ |
JP6272095B2 (ja) * | 2014-03-13 | 2018-01-31 | 四国化工機株式会社 | 充填包装機のプレッシャフランジ |
JP6763519B2 (ja) * | 2016-03-31 | 2020-09-30 | 三菱パワー株式会社 | 燃焼器およびガスタービン |
EP3409447B1 (de) | 2017-05-30 | 2021-04-21 | Tetra Laval Holdings & Finance S.A. | Vorrichtung zur abdichtung des oberen endes einer verpackung für ein lebensmittelprodukt und system zur formung und befüllung einer lebensmittelverpackung |
EP4400434A1 (de) * | 2023-01-13 | 2024-07-17 | Becton Dickinson Rowa Germany GmbH | Füllrohr-einführeinrichtungs-system, verfahren zum befestigen eines füllrohrs sowie verwendung einer einführeinrichtung |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0273507A2 (de) * | 1986-12-29 | 1988-07-06 | AB Tetra Pak | Vorrichtung zur Kontrolle des Inhaltsflusses in einer Verpackungsmaschine |
-
2000
- 2000-02-18 AT AT00830114T patent/ATE277815T1/de not_active IP Right Cessation
- 2000-02-18 DE DE60014314T patent/DE60014314D1/de not_active Expired - Lifetime
- 2000-02-18 EP EP00830114A patent/EP1125844B1/de not_active Expired - Lifetime
-
2001
- 2001-01-17 JP JP2001008777A patent/JP2001233307A/ja not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0273507A2 (de) * | 1986-12-29 | 1988-07-06 | AB Tetra Pak | Vorrichtung zur Kontrolle des Inhaltsflusses in einer Verpackungsmaschine |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1948088B (zh) * | 2005-10-14 | 2011-03-02 | 利乐拉瓦尔集团及财务有限公司 | 控制管道平滑度的方法和装置 |
EP2277781A1 (de) * | 2008-05-11 | 2011-01-26 | Tetra Laval Holdings & Finance SA | Packungsfüllgerät |
EP2277781A4 (de) * | 2008-05-11 | 2011-06-29 | Tetra Laval Holdings & Finance | Packungsfüllgerät |
EP2388198A1 (de) * | 2008-05-11 | 2011-11-23 | Tetra Laval Holdings & Finance SA | Verpackungs- und Abfüllmaschine |
EP2189375A1 (de) * | 2008-11-24 | 2010-05-26 | Tetra Laval Holdings & Finance SA | Verpackungseinheit zur Herstellung versiegelter Verpackungen eines Lebensmittels, das in eine Hülse aus Verpackungsmaterial gegossen werden kann |
CN101734383B (zh) * | 2008-11-24 | 2014-03-05 | 利乐拉瓦尔集团及财务有限公司 | 用于生产食品密封包装的包装设备 |
US11548238B2 (en) | 2018-09-10 | 2023-01-10 | Tetra Laval Holdings & Finance S.A. | Method for forming a tube and a method and a packaging machine for forming a package |
EP3623301A1 (de) * | 2018-09-11 | 2020-03-18 | Tetra Laval Holdings & Finance S.A. | Verpackungsvorrichtung zur formung versiegelter packungen |
WO2020053050A1 (en) * | 2018-09-11 | 2020-03-19 | Tetra Laval Holdings & Finance S.A. | Packaging apparatus for forming sealed packages |
CN112638777A (zh) * | 2018-09-11 | 2021-04-09 | 利乐拉瓦尔集团及财务有限公司 | 用于形成密封包装的包装设备 |
US11820540B2 (en) | 2018-09-11 | 2023-11-21 | Tetra Laval Holdings & Finance S.A. | Packaging apparatus for forming sealed packages |
Also Published As
Publication number | Publication date |
---|---|
ATE277815T1 (de) | 2004-10-15 |
EP1125844B1 (de) | 2004-09-29 |
JP2001233307A (ja) | 2001-08-28 |
DE60014314D1 (de) | 2004-11-04 |
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