EP0395933B1 - Verfahren und Vorrichtung zum Sterilisieren und Reinigen einer Anlage für aseptische Abfüllung - Google Patents

Verfahren und Vorrichtung zum Sterilisieren und Reinigen einer Anlage für aseptische Abfüllung Download PDF

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Publication number
EP0395933B1
EP0395933B1 EP90107216A EP90107216A EP0395933B1 EP 0395933 B1 EP0395933 B1 EP 0395933B1 EP 90107216 A EP90107216 A EP 90107216A EP 90107216 A EP90107216 A EP 90107216A EP 0395933 B1 EP0395933 B1 EP 0395933B1
Authority
EP
European Patent Office
Prior art keywords
steam
valve
filling
head
axis
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.)
Expired - Lifetime
Application number
EP90107216A
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English (en)
French (fr)
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EP0395933A1 (de
Inventor
Willi Loeliger
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.)
Societe des Produits Nestle SA
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Clintec Nutrition Co
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Filing date
Publication date
Application filed by Clintec Nutrition Co filed Critical Clintec Nutrition Co
Publication of EP0395933A1 publication Critical patent/EP0395933A1/de
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Publication of EP0395933B1 publication Critical patent/EP0395933B1/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
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/022—Sterilising, e.g. of complete packages of flexible containers having a filling and dispensing spout, e.g. containers of the "bag-in-box"-type

Definitions

  • the invention relates to a method for sterilizing and cleaning the head space on an aseptic filling system of a package provided with a tip with a tear-off outer membrane according to the preamble of claim 1 (EP-A-0280871 ).
  • the invention further relates to the device for implementing this method according to the preamble of claim 3.
  • Aseptic filling systems are already known, in which a sterilization and cleaning device at the end of filling is provided on the bottom of the filling head.
  • Patent application EP-A-271 242 relates for example to such a device.
  • a pre-sterilized packaging is filled cold and at the end of filling the body and the walls of the head space are cooled due to the presence of the cold product. After fitting a new packaging, the head space and the surface of the packaging pressing on said space must be re-sterilized.
  • sterilization takes place with saturated steam at a temperature between 140 and 150 ° C. If at this temperature, we really wanted to eliminate all germs, it would be necessary to provide a sterilization period of the order of 3 to 10 minutes.
  • Patent EP-A-280871 also relates to a process and a device for aseptically filling a package. However, in this device, no mention is made of the speed of arrival of vapor for sterilization and cleaning of the device.
  • the object of the present invention is to develop a method for sterilizing and cleaning the head space, in which an ongoing sterilization of said space is ensured within an acceptable time and at an acceptable temperature and a cleaning the inside of the nozzle at the end of filling, making it possible to eliminate all the product remains. This elimination is important, because if there were traces of product in the nozzle in contact with a non-sterile environment, reinfection and multiplication of germs would be possible. When opening and using the packaging, these germs would then be entrained with the product flowing through said nozzle.
  • the invention relates to a method for sterilizing and cleaning the head space on an aseptic filling system of a sterile packaging provided with a tip with a tear-off outer membrane, in which the head space is sterilized at a temperature between 120 and 150 ° C with steam for 1 to 10 seconds, the outer membrane is torn to fill the packaging, the packaging is closed and the headspace is cleaned with steam at a temperature included between 110 and 150 ° C for 1 to 5 seconds.
  • the steam arrives at a speed between 50 and 450 m / s in a steam inlet valve making an angle between 70 and 110 ° with the steam outlet valve , these two valves opening at the head space.
  • the arrival of steam at the aforementioned speed is achieved by a pressure relief of the order of 2 to 3 atmospheres.
  • the quantity of steam introduced depends on the diameters of the inlet pipes. It is normally between 3 and 10 g / sec.
  • the invention also relates to the device for implementing this method comprising a fluid inlet and outlet duct, a filling head comprising a valve for adjusting the fluid inlet flow rate, a packaging support arranged under the filling head and provided for sealing the packaging at the end of filling, a steam inlet valve and a valve with a steam outlet and drain pipe for cleaning at the end of filling.
  • the steam inlet valve and the steam outlet and drain valve are both on the bottom of the filling head, the axes of said valves form an angle between 70 and 110 ° and these valves include means allowing the arrival of steam at a speed between 50 and 450 m / s.
  • packaging plastic packaging as well as cardboard packaging or any other type of packaging in the food or medical field.
  • fluid is meant both aqueous solutions, milk, fruit or vegetable juices or more viscous products, such as jam, marmalade and others, with or without pieces.
  • the packaging material is consisting of jaws for holding the packaging in place and a sealing head.
  • the axis of the steam inlet valve and the axis of the valve with a steam outlet and drain pipe make an angle between 85 and 95 °.
  • This sterilization and cleaning system can be used on any type of aseptic filling head, for example those described in patent applications CH-A-4584 / 87-5 and EP-A-280 871, operating with a packaging with end cap comprising a tear-off outer membrane.
  • the axis of the valve for adjusting the fluid inlet flow rate and the axis of the steam inlet valve form an angle between 70 and 110 °.
  • the bottom of the fluid flow control valve also includes cutting means. These cutting means are normally radial and vertical knives, for example two knives arranged perpendicularly.
  • the plug of the steam inlet valve and that of the steam outlet and drain valve are flush with the head space and have different diameters.
  • the first factor thus makes it possible to avoid any dead zone in the head space which could give microbial development and the difference in diameters makes it possible to avoid any vapor braking during sterilization and / or cleaning.
  • the diameter of the steam inlet channel must be smaller than that of the steam outlet.
  • a removable plate with concentric grooves is provided on the bottom of the filling head to keep the packaging in good position. This plate can thus be exchanged when it is worn.
  • a whole aseptic filling line can be constructed, in which at least two devices described above are available in series. Between two and eight filling devices are preferably provided.
  • the filling head designated by (1) comprises a fluid inlet (2) and outlet (3) duct, a valve (4) for adjusting the fluid inlet flow rate, a steam inlet valve ( 62) and a valve (63) for steam outlet and residual fluid draining.
  • the plugs of the valves (62) and (63) can be moved using pneumatic or similar systems (not shown).
  • a package (7) comprising a tip (8) with a tear-off membrane (9) and a closure membrane (10) partially sealed against the tip (8) to allow filling.
  • the packaging is held in place by jaws (11), under which is disposed the sealing head (31) which ensures the closure of the packaging at the end of filling.
  • the sealing head includes a sealing ring (12).
  • the filling head comprises a flexible membrane (13) pinched between the two parts (14, 15) held integral by the clamping ring (16).
  • This flexible membrane is either polytetrafluoroethylene, or rubber, or a flexible material of good mechanical and thermal resistance.
  • the valve plug (4) can be moved vertically by means of pneumatic or similar systems (not shown) between bearings (17).
  • the membrane (13) is pierced at its center and traversed by the valve plug (4).
  • This pin is composed of three parts: the upper part (18) into which is screwed with the bolt (21) the part (19) also ensuring a pinching of the flexible membrane (13).
  • the locking screw (22) provides good support and therefore good sealing of the membrane (13).
  • the pin finally has a lower part (20) screwed into the element (19) thanks to the bolt (23).
  • This part (20) comprising a cone (51) ensures the opening / closing for filling the packaging. It comprises a seal (24) and two radial knives (25) arranged perpendicularly. These knives form a central point (26) which further improves the cutting of the membrane (9).
  • a removable plate (60) held in place by screws (61) and having concentric grooves.
  • the opening (28) for the passage of the fluid is of frustoconical shape. This opening also constitutes the seat for the cone (51).
  • the operation of the device is as follows: The valve (4) being closed (Fig. 1), the packaging (7) being in place, sterilization of the head space (52) and of the membrane (9) is carried out. ) by opening the steam inlet valve (62). Steam arrives through the line (68). It comes out through the pipe (69) of the valve (63). At the end of sterilization, the two valves (62) and (63) are closed and the valve (4) is opened (Fig. 2). The element (20) descends and the knives (25) open the tearable membrane (9). At the same time the fluid is released and enters the packaging (7) through the opening (28). It is understood that during filling, the sealing head (31) is in the low position.
  • the sealing head rises, the valves (62) and (63) are opened so that the vapor drives out the residual product which flows through the conduit (69).
  • the sealing ring (12) is heated, thus closing the packaging (7).
  • the jaws (11) can then release said packaging.
  • the steam inlet valve (62) is supported on a seat (64) and has a steam inlet channel (66) of smaller diameter than the outlet channel (67) of the steam outlet valve (63). This valve rests on a seat (65).
  • the two valves (62) and (63) make an angle of 90 ° allowing good sterilization and good cleaning of the head space.
  • the two valves (62) and (63) finally have seals (70) and (71) respectively.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Claims (8)

  1. Verfahren zur Sterilisierung und Reinigung des Füllraums (52) an einem System zur aseptischen Füllung einer sterilen Verpackung (7), die mit einem Aufsatz (8) mit einer durchtrennbaren Außenmembran (9) versehen ist, bei welchem der Kopfraum (52) bei einer Temperatur von 120 bis 150°C mit Dampf 1 bis 10 Sekunden lang sterilisiert wird, die Außenmembran (9) durchtrennt wird, um die Füllung der Verpackung (7) vorzunehmen, die Verpackung geschlossen wird und der Kopfraum (52) mit Dampf mit einer Temperatur von 110 bis 150°C 1 bis 5 Sekunden lang gereinigt wird, dadurch gekennzeichnet, daß der Dampf bei der Sterilisierung und Reinigung mit einer Geschwindigkeit von 50 bis 450 m/s in einem Dampfeintrittsventil eintritt, das mit dem Dampfaustrittsventil einen Winkel von 70 bis 110° bildet, wobei diese beiden Ventile in Höhe des Kopfraums ausmünden.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Sterilisierung und Reinigung des Kopfraums (52) bei einer Temperatur von 120 bis 130°C mit Dampf durchgeführt wird, der mit einer Geschwindigkeit von 50 bis 150 m/s eintritt.
  3. Vorrichtung zur Durchführung des Verfahrens nach den Ansprüchen 1 und 2 an einem System zum aseptischen Füllen mit einem Fluideintrittskanal (2) und einem Fluidaustrittskanal (3), einem Füllkopf (1) mit einem Ventil (4) zur Regelung des Fluideintrittsdurchsatzes, einem Verpackungshalter (11, 31), der unter dem Füllkopf angeordnet ist und zum Versiegeln der Verpackung (7) nach dem Füllen dient, und einem Dampfeintrittsventil (62) und einem Ventil (63) mit einer Dampfaustritts- und Entleerungsleitung für die Reinigung nach dem Füllen, wobei diese Vorrichtung dadurch gekennzeichnet ist, daß das Dampfeintrittsventil (62) und das Dampfaustritts- und Entleerungsventil (63) beide im unteren Teil des Füllkopfs angeordnet sind, wobei die Achsen dieser Ventile miteinander einen Winkel von 70 bis 110° bilden und diese Ventile Einrichtungen besitzen, die den Dampfeintritt mit einer Geschwindigkeit von 50 bis 450 m/s gestatten.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Achse des Dampfeintrittsventils (62) und die Achse des Ventils (63) mit einer Dampfaustritts- und Entleerungsleitung einen Winkel von 85 bis 95° bilden.
  5. Vorrichtung nach einem der Ansprüche 3 und 4, dadurch gekennzeichnet, daß die Achse des Ventils (4) zur Regelung des Ventileintrittsdurchsatzes und die Achse des Dampfeintrittsventils 62 bzw. die Achse des Dampfaustritts- und Entleerungsventils (63) einen Winkel von 40 bis 80° bilden.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Achse des Ventils (4) zur Regelung des Fluideintrittsdurchsatzes und die Achse des Dampfeintrittsventils (62) einen Winkel von 60 bis 70° bilden.
  7. Vorrichtung nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, daß der Stift des Dampfeintrittsventils (62) und der des Dampfaustritts- und Entleerungsventils (63) in den Kopfraum bündig eintreten und verschiedene Durchmesser besitzen.
  8. Vorrichtung nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet, daß der Füllkopf (1) über dem Verpackungshalter eine abnehmbare Platte (60) mit konzentrischen Rillen zum Halten der Verpackung (7) in der richtigen Stellung besitzt.
EP90107216A 1989-05-02 1990-04-14 Verfahren und Vorrichtung zum Sterilisieren und Reinigen einer Anlage für aseptische Abfüllung Expired - Lifetime EP0395933B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1667/89A CH679768A5 (de) 1989-05-02 1989-05-02
CH1667/89 1989-05-02

Publications (2)

Publication Number Publication Date
EP0395933A1 EP0395933A1 (de) 1990-11-07
EP0395933B1 true EP0395933B1 (de) 1993-12-08

Family

ID=4215804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90107216A Expired - Lifetime EP0395933B1 (de) 1989-05-02 1990-04-14 Verfahren und Vorrichtung zum Sterilisieren und Reinigen einer Anlage für aseptische Abfüllung

Country Status (12)

Country Link
US (1) US5099895A (de)
EP (1) EP0395933B1 (de)
JP (1) JPH02302257A (de)
AT (1) ATE98182T1 (de)
AU (1) AU641387B2 (de)
CA (1) CA2015357A1 (de)
CH (1) CH679768A5 (de)
DE (1) DE69005018T2 (de)
DK (1) DK0395933T3 (de)
ES (1) ES2048353T3 (de)
IE (1) IE66164B1 (de)
PT (1) PT93928A (de)

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JPH0537094U (ja) * 1991-10-23 1993-05-21 四国化工機株式会社 具入り粘性食品の充填装置
US5353795A (en) * 1992-12-10 1994-10-11 General Electric Company Tracking system to monitor the position of a device using multiplexed magnetic resonance detection
GB9304052D0 (en) * 1993-03-01 1993-04-14 Coloreed Liquid Packaging A Di Dispensing method and apparatus
US5979514A (en) * 1998-01-28 1999-11-09 Tetra Laval Holdings & Finance, Sa Hygienic fill system for a packaging machine
AUPP243598A0 (en) * 1998-03-18 1998-04-09 Rapak Asia Pacific Limited Improvements relating to tote bins
US6070622A (en) * 1998-05-07 2000-06-06 Packaging Systems, L.L.C. High speed aseptic filling machine
AUPP757398A0 (en) * 1998-12-07 1999-01-07 Astrapak Pty Ltd Aseptic liquid packaging fitment
GB9916215D0 (en) 1999-07-09 1999-09-15 Smith David S Packaging Apparatus and method for filling
GB0000455D0 (en) * 2000-01-10 2000-03-01 Smith David S Packaging Apparatus for filing
ES2199009B1 (es) * 2001-02-05 2005-02-01 Danone, S.A. Procedimiento y dispositivo para la esterilizacion de aparatos dosificadores de substancias alimenticias y otras.
EP1954565B1 (de) * 2005-11-28 2012-10-24 PDC Facilities, Inc. Füllvorrichtung
FR2899220B1 (fr) * 2006-03-31 2008-05-30 Sidel Participations Dispositif de nettoyage pour machine de remplissage
FR2911595B1 (fr) * 2007-01-22 2011-04-08 Sidel Participations Machine de remplissage equipee d'un dispositif de nettoyage
FR2911594B1 (fr) * 2007-01-22 2009-04-03 Sidel Participations Machine de remplissage equipee d'un dispositif de nettoyage avec membrane deformable
NZ556731A (en) * 2007-07-25 2010-01-29 Rapak Asia Pacific Ltd Aseptic packs
WO2010060142A1 (en) * 2008-11-26 2010-06-03 Gary Yewdall A water discharge device
US20110017343A1 (en) * 2009-07-24 2011-01-27 Murray R Charles Method and apparatus for filling a container having a tube spout fitment
US10059476B2 (en) * 2013-05-21 2018-08-28 John Bean Technologies S.P.A. Aseptic filler for flowable products
DE102013106927A1 (de) * 2013-07-02 2015-01-08 Khs Gmbh Füllelement sowie Füllmaschine

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Also Published As

Publication number Publication date
EP0395933A1 (de) 1990-11-07
AU5379690A (en) 1990-11-08
AU641387B2 (en) 1993-09-23
US5099895A (en) 1992-03-31
IE901412L (en) 1990-11-02
DK0395933T3 (da) 1994-03-21
IE66164B1 (en) 1995-12-13
ES2048353T3 (es) 1994-03-16
JPH02302257A (ja) 1990-12-14
CH679768A5 (de) 1992-04-15
DE69005018D1 (de) 1994-01-20
PT93928A (pt) 1991-01-08
DE69005018T2 (de) 1994-03-31
ATE98182T1 (de) 1993-12-15
CA2015357A1 (en) 1990-11-02

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