EP0236107B1 - Aseptische Abfüllanlage - Google Patents

Aseptische Abfüllanlage Download PDF

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Publication number
EP0236107B1
EP0236107B1 EP87301791A EP87301791A EP0236107B1 EP 0236107 B1 EP0236107 B1 EP 0236107B1 EP 87301791 A EP87301791 A EP 87301791A EP 87301791 A EP87301791 A EP 87301791A EP 0236107 B1 EP0236107 B1 EP 0236107B1
Authority
EP
European Patent Office
Prior art keywords
inlet
container
conduit
filling
valve member
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
EP87301791A
Other languages
English (en)
French (fr)
Other versions
EP0236107A1 (de
Inventor
Ian Mcarthur Anderson
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.)
LEFTRIGHT AUSTRALIA LIMITED
Visy Films and Laminates Pty Ltd
Wrightcel Ltd
Astrapak Ltd
Liqui Box Asia Pacific Ltd
Original Assignee
Courtaulds Packaging Australia Ltd
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 Courtaulds Packaging Australia Ltd filed Critical Courtaulds Packaging Australia Ltd
Priority to AT87301791T priority Critical patent/ATE53553T1/de
Priority claimed from AU69617/87A external-priority patent/AU583712B2/en
Publication of EP0236107A1 publication Critical patent/EP0236107A1/de
Application granted granted Critical
Publication of EP0236107B1 publication Critical patent/EP0236107B1/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

  • This invention relates to a system of aseptic filling particularly for flexible containers made of synthetic plastic films.
  • Synthetic plastic flexible containers are useful for storing and dispensing wine, fruit juice and other liquid foodstuffs. Aseptic filling is a desirable mode of operation to ensure that the possibility of contamination or deterioration of the liquid product does not occur.
  • aseptic filling is carried out by sterilising the flexible containers intemally and externally and maintaining the rilling equipment in a sterile room. It is very difficult to ensure that the equipment and containers are maintained in aseptic conditions and the time and expense involved is high.
  • US-A Patent 2 761 603 discloses a method of aseptically filling rigid containers in which rigid containers are pre-sterilised and sealed with a rupturable seal or membrane.
  • the Fairchild filling machine incorporated a filling tube and a sterilising head within the filling tube which pierces the rupturable seal and provides sterilising fluid axially of the filling tube to sterilise the internal surfaces of the filling head and the rupturable seal prior to its rupture.
  • US-A Patent 3 926 229 discloses an aseptic filling head in which the valve member for the product outlet incorporates an axial sterilising fluid conduit In similar manner to the Fairchild specification, the sterilising fluid is flushed into the product outlet of the filling head and the containers inlet after the filling operation.
  • European Patent Application EP-A 0 072 699 discloses an aseptic filling arrangement in which a valve member reciprocates in a fluid conduit to isolate an inlet opening from an outlet
  • the valve member is also formed with a rupturing projection designed to puncture a sealed inlet to a container to be filled.
  • the region of the conduit adjacent the junction with the container can be flushed with sterilising fluid through inlet and outlet passages. The fluid is injected into the region and subsequently removed.
  • a known sterilisable fluid product conduit defining an opening for allowing ingress and egress of degradable liquid contents includes a sterilisable product conduit defining two openings for allowing ingress or egress of degradable liquid contents, a portion of the conduit surrounding one of the openings being adapted to abut a container inlet, a valve member adapted for reciprocal movement within the conduit for isolating one opening from the other, the valve member carrying means for rupturing a sealing membrane located over the container inlet, resilient sealing means providing a seal between the conduit and the valve member between the two openings, at least one sterilising fluid inlet and at least one sterilising fluid outlet opening onto the conduit adjacent the said portion of the conduit which abuts the container inlet, the inlet and outlet being disposed laterally of the prduct flow.
  • the present invention is characterised in that the inlet(s) extends substantially tangentially with respect to the adjacent wall of the conduit.
  • a method of aseptically filling containers comprising sterilising a sealed container which has a resealable inlet, maintaining the internal surfaces of a filling dispenser in a sterile state, bringing the closed inlet of the container into abutment with an outlet nozzle of the filling dispenser by means of a movable container support, introducing sterilising fluid into the space between the nozzle and the closed inlet in the direction laterally of product flow from the outlet nozzle into the container inlet and withdrawing it laterally, opening the inlet and filling the container, and resealing the inlet, is characterised by the sterilising fluid being introduced in a direction which is substantially tangential to the adjacent wall of the dispenser.
  • the present invention in a preferred embodiment is concerned with aseptically filling containers in which the container inlet has a heat sealable flap on one side of the inlet and is covered on the other side of the inlet by a rupturable closure which is ruptured to allow filling of the container and the container is finally sealed by heat sealing said flap.
  • This invention also provides in its preferred embodiment a system for aseptically filling and storing degradable liquid contents which comprises a flexible container having a sealed inlet, the inlet being capable of being opened and resealed, a fluid dispenser which incorporates a sterilisable product conduit having two openings for allowing ingress or egress of degradable liquid contents, a portion of the conduit, defining one of the openings, being adapted to abut a container inlet, a valve member adapted for reciprocal movement within the conduit for isolating one of the openings from the other, the valve member carrying means for rupturing a sealing membrane located over the container inlet, resilient sealing means providing a seal between the conduit and the valve member between the two openings, at least one sterilising fluid inlet and at least one sterilising fluid outlet opening into the conduit adjacent the opening which abuts the container inlet, the inlet(s) and outlet(s) being disposed laterally of product flow, means for sterilising the containers while the inlet
  • valve member reciprocating within a conduit to serve the dual functions of closing the product outlet and puncturing a membrane on the container inlet simplifies the valve and filling head as proposed in European specifications 056 701 and 072 699 wherein the seal is a valve seal which restricts movement of the valve member.
  • the sterilisable product conduit of this invention preferably includes as the resilient sealing means a pair of annular edge seals projecting from the conduit wall and including between the pair of seals a sterilising fluid inlet which maintains the annular sealing space bounded by the valve member, conduit and seals in a sterile state.
  • the filling head of this invention can be used as such or if connected to an extraction pump can be used to extract product from sealed containers under aseptic conditions by bringing a filled and sealed container into abutment with the head, sterilising the recess and the container seal, rupturing the seal extracting product and closing the conduit.
  • Either heat, a permeating gas, or radiation such as electron beam, u.v. or preferably Gamma radiation is used to sterilise the sealed containers prior to filling.
  • Hydrogen peroxide or steam is used to sterilise the surfaces and space between the outlet nozzle and the container closure.
  • the bag - generally designated as 1 - comprises a wall 2 heat sealed at the periphery 3 to the lower wall 4.
  • the flap 5 extends across an opening 7 in the flexible container wall 2 into which fits a collar 8.
  • the flange 9 of collar 8 is heat sealed to the periphery 10 of the opening and the flap 5 is partly sealed to the flange of collar 8.
  • the collar 8 can easily be secured to wall 2 by suitable machinery.
  • the surface of flap 5 which faces the internal surface of wall 4 is non heat sealable therewith but the surface of flap 5 which faces flange 9 is heat sealable with that flange.
  • flap 5 is a laminate of a heat sealable and non heat sealable material.
  • a rupturable membrane 41 which is either integrally formed during the moulding of collar 8 or is heat sealed thereto during the operation of attaching the collar 8 to the container wall 2. Apart from the membrane 41 the container and collar is as described in US-A patent no. 4 257 535.
  • the filling apparatus is a modified version of that described in EP-A 56 701.
  • the filling head comprises a general body section 20 which includes a liquid inlet channel 21 closed by the valve member 22.
  • This valve member 22 extends within the body section 20 and serves the dual function of valve member and piercing tool.
  • the valve member 22 seals the product outlet when in contact with the double elastomeric seals 49 and 50.
  • a positive steam pressure is maintained in the annular space 53 through steam from inlet 51. Steam is removed from space 53 through outlet 52.
  • a piercing tool 25 is attached to the lower portion of the valve head 22.
  • valve member 22 When the valve member 22 is in its closed position the liquid inlet channel 21 is sealed and the seals 29, 30, 49 and 50 ensure that no liquid can escape once the valve member 22 is closed.
  • the sterilising fluid inlet 44 and outlet 45 are connected to the nozzle recess 46 below the seals 49 and 50.
  • the number of inlets 44 and outlets 45 can be varied. By positioning several inlets tangentially about the periphery of recess 46 an efficient cleaning action can be achieved.
  • One large exhaust port 45 is usually sufficient
  • Fig. 3 the complete flexible container is illustrated being held against the body section 20 by clamps 33. These clamps 33 grip the collar 8 and a trapdoor 36 supports the flexible container but provides a sufficient gap to enable liquid to flow through collar 8 past flap 5 and into the body of the flexible container 1. The support of trapdoor 36 is required to ensure that the pressure of the liquid during the filling does not rupture the container, or heat sealable flap.
  • a flexible container 1 is taken by clamps 33 and lifted into alignment with the filling head such that collar 8 and membrane 41 abut tightly against the seal 31 on the body section 20.
  • sterilising fluid either gas or liquid such as steam
  • inlet 44 sterilises the inner surfaces of the recess and valve member 22, piercing member 25 and the surface of membrane 41.
  • the sterilising fluid is withdrawn through outlet 45.
  • valve member 22 After completion of the sterilisation step valve member 22 rises to open the product inlet 21 to enable filling of the flexible container to occur. A positive steam pressure is maintained in steam inlet 51 to outlet 52 to keep them clear of the product.
  • the membrane 41 is ruptured during filling by the pressure of the liquid and is subsequently not needed since flap 5 will provide the permanent seal for the filled container. Alternatively the membrane 41 may be ruptured by piercing member 25 prior to the opening of liquid inlet 21 by lowering valve member 22.
  • valve member 22 Upon the completion of filling the valve member 22 closes inlet 21 at the seals 49 and 50.
  • the filled flexible container is withdrawn from the filling head and if desired the tap can be inserted into collar 8.
  • Conventional pneumatics can be used to operate the movements of the valve member 22 and the clamps 33, the trapdoor 36 and sealing member 35.
  • the timing and control of these components is simi- lady capable of being carried out by conventional control circuitry.
  • the filling machine head as contained in body 20 may also be utilised for the extraction of product from the sealed containers.
  • an extraction pump connected to the product inlet 21 and the seal 5 can be broken by the piercing member 25 and product removed by evacuation through recess 46 and conduct 21. A sterilising step can take place prior to breaking the seal 5.
  • this invention provides a simple means of ensuring aseptic filling of liquids.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Claims (8)

1. Sterilisierbare Produktleitung mit zwei Öffnungen für den Einlaß und Auslaß von abbaubaren flüssigen Inhalten, wobei ein Teil der Leitung, der eine der Öffnungen umgibt, derart beschaffen ist, daß er an eine Einlaßöffnung (7) des Behälters angefügt werden kann, wobei ein Ventilteil (22) derart beschaffen ist, daß er durch Hin- und Herbewegung innerhalb der Leitung eine Öffnung von der anderen isoliert, wobei der Ventilteil (22) ein Element (25) umfaßt, das eine Dichtungsmembran (41) durchstößt, die über der Einlaßöffnung (7) des Behälters angebracht ist, wobei elastische Dichtungen (49, 50) vorgesehen sind, die eine Abdichtung zwischen der Leitung und dem Ventifteil (22) zwischen den beiden Öffnungen schaffen, wobei zumindest eine Ein-IaBÖffnung (44) für die Sterilisierflüssigkeit und zumindest eine Auslaßöffnung (45) für die Sterilisierflüssigkeit vorgesehen sind, die sich zu der Leitung hin an jener Stelle öffnen, die an jenen Teil der Leitung angrenzt, der an die Einlaßöffnung des Behälters angefügt ist und wobei die oder jede Einlaßöffnung (44) und Auslaßöffnung (45) seitlich vom Produktfluß angebracht ist, dadurch gekennzeichnet, daß die oder jede Einlaßöffnung im wesentlichen tangential in bezug auf die benachbarte Wand der Leitung liegt.
2. Produktleitung nach Anspruch 1, wobei die elastische Dichtung ein Paar ringförmiger Randdichtungen (49, 50) umfaßt, die von der Kanalwand hervorragen, und wobei zwischen den beiden Dichtungen (49, 50) eine weitere Einlaßöffnung (51) für die Sterilisierflüssigkeit vorhanden ist, die den ringförmigen Dichtungsraum, der von dem Ventilteil, der Leitung und den Dichtungen begrenzt wird, in einem sterilen Zustand hält.
3. Verfahren zur sterilen Füllung von Behältern, das die Sterilisation eines dicht verschlossenen Behälters (1) umfaßt, der eine wiederverschließbare Einlaßöffnung (7) besitzt, und mit Hilfe derer die inneren Oberflächen eines Füllungsspenders in einem sterilen Zustand gehalten werden, wobei die geschlossene Einlaßöffnung (7) des Behälters (1) mit einer Auslaßdüse des Füllungsspenders durch eine bewegliche Haltevorrichtung (33) für den Behälter in Verbindung gebracht wird, eine Sterilisierflüssigkeit in den Zwischenraum zwischen der Düse und der geschlossenen Einlaßöffnung (7) des Behälters eingelassen, die Einlaßöffnung (7) geöffnet und der Behälter (1) gefüllt und die Einlaßöffnung (7) wieder verschlossen wird, wobei die Sterilisierflüssigkeit in bezug auf den Produktfluß seitlich von der Auslaßdüse in die EinlaBöffnung (7) des Behälters eingebracht und seitlich abgesaugt wird, dadurch gekennzeichnet, daß zumindest die Einlaßöffnung für die Sterilisierflüssigkeit derart ausgerichtet ist, daß sie im wesentlichen tangential zu der benachbarten Wand des Spenders liegt.
4. Verfahren nach Anspruch 3, bei dem an einer Seite der Einlaßöffnung (7) eine heißsiegelfähige Klappe angebracht ist, die nach Füllung des Behälters (1) an die Innenseite der Einlaßöffnung heißgesiegeft wird.
5. Verfahren nach Anspruch 3 oder 4, bei dem die Einlaßöffnung, (7) von einem zerstörbaren Verschluß (41) bedeckt ist, der zur Füllung des Behälters (1) aufgebrochen wird.
6. Verfahren nach einem der Ansprüche 3 bis 5, wobei das Einbringen einer Sterilisierflüssigkeit in den Zwischenraum (46) zwischen der Düse und der geschlossenen Einlaßöffnung (7), das Absaugen der Sterilisierflüssigkeit und die Entfernung des Behälters (1) von dem Spender umfaßt wird.
7. Verfahren zur sterilen Verfüllung und Lagerung von abbaubaren flüssigen Inhalten, mit einem Faltbehälter (1) mit einer dicht verschlossenen Einlaßöffnung (7), wobei die Einlaßöffnung (7) geöffnet und wieder dicht verschlossen werden kann, einem Flüssigkeitsspender, der eine sterilisierbare Produktleitung mit zwei Öffnungen für den Einlaß oder Auslaß von abbaubaren flüssigen Inhalten beinhaltet, wobei ein Teil der Leitung, der eine der Öffnungen umgibt, derart beschaffen ist, daß er an eine Einlaßöffnung (7) des Behälters angefügt werden kann, mit einem Ventilteil (22), das derart beschaffen ist, daß es durch Hin- und Herbewegung innerhalb der Leitung eine Öffnung von der anderen isoliert, wobei der Ventilteil (22) ein Element (25) umfaßt, das eine Dichtungsmembran (41) durchstößt, die über der Einlaßöffnung (7) des Behälters angebracht ist, mit elastischen Dichtungen, die eine Abdichtung zwischen der Leitung und dem Ventilteil (22) zwischen den beiden Öffnungen schaffen, mit zumindest einer Einlaßöffnung (44) für die Sterilisierflüssigkeit und zumindest einer Auslaßöffnung (45) für die Sterilisierflüssigkeit, die sich zu der Leitung hin an jener. Stelle öffnen, die an jene Öffnung angrenzt, die an die Einlaßöffnung des Behälters angefügt ist, mit Mitteln zur Sterilisierung der Behälter bei dicht verschlossener Einlaßöffnung, mit einer Haltevorrichtung (33) für den Behälter, um die Einlaßöffnung (7) des Behälters mit einem Füllkopfteil der Leitung in kommunizierende Verbindung zu bringen, wobei die eine Öffnung derart bemessen ist, daß die eine Öffnung durch die Einlaßöffnung des Behälters verschlossen wird, mit einem Element zur Einspritzung der Sterilisierflüssigkeit in einen Hohlraum in dem oben erwähnten Teil der Leitung, mit einem Element zur Betätigung des Ventilteils (22), um Flüssigkeit durch den Hohlraum zur Füllung in den Behälter fließen zu lassen, sowie mit einem Element, das außerhalb des fest angebrachten Füllkopfes angeordnet ist, um die Einlaßöffnung (7) wieder dicht zu verschließen, wobei die EinIaBöff- nung(en) (44) und die AuslaBöffnung(en) (45) seitlich des Produktflusses angebracht sind, dadurch gekennzeichnet, daß zumindest die Einlaßöffnung der Sterilisierflüssigkeit im wesentlichen tangential in bezug auf die benachbarte Wand des Spenders angebracht ist
8. System nach Anspruch 7, bei dem die Sterilisierflüssigkeit in den Hohlraum eingebracht wird, während die Einlaßöffnung (7) durch eine Membran (41) geschlossen ist.
EP87301791A 1986-03-03 1987-03-02 Aseptische Abfüllanlage Expired - Lifetime EP0236107B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87301791T ATE53553T1 (de) 1986-03-03 1987-03-02 Aseptische abfuellanlage.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPH485486 1986-03-03
AU4854/86 1986-03-03
AU69617/87A AU583712B2 (en) 1986-03-03 1987-03-02 Aseptic filling station

Publications (2)

Publication Number Publication Date
EP0236107A1 EP0236107A1 (de) 1987-09-09
EP0236107B1 true EP0236107B1 (de) 1990-06-13

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EP87301791A Expired - Lifetime EP0236107B1 (de) 1986-03-03 1987-03-02 Aseptische Abfüllanlage

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EP (1) EP0236107B1 (de)
ES (1) ES2016839B3 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH673819A5 (de) * 1987-03-02 1990-04-12 Nestle Sa
DE8711114U1 (de) * 1987-08-15 1988-07-14 Paul Kunz GmbH, 5419 Döttesfeld Reinigungsvorrichtung für automatische Füllmaschinen zum Befüllen von Beuteln aus flexiblem Kunststoffmaterial
CH674637A5 (de) * 1987-11-25 1990-06-29 Nestle Sa
CH679768A5 (de) * 1989-05-02 1992-04-15 Nestle Sa
ES2145891T3 (es) * 1995-05-02 2000-07-16 Goglio Spa Luigi Milano Recipiente con boca de llenado, particularmente para sistemas de envasado aseptico y procedimiento de fabricacion correspondiente.
DE19736615A1 (de) * 1997-08-22 1999-02-25 Hoerauf Michael Maschf Behälter mit einer Füllöffnung
US7264771B2 (en) * 1999-04-20 2007-09-04 Baxter International Inc. Method and apparatus for manipulating pre-sterilized components in an active sterile field
PL194828B1 (pl) * 2001-02-07 2007-07-31 Zentis Polska Sp Z Oo Głowica do aseptycznego wprowadzania substancji płynnych i/lub półpłynnych, i/lub sypkich do ośrodków w przepływie
EP1597189A1 (de) 2003-02-19 2005-11-23 The Coca-Cola Company System und verfahren zum aseptischen füllen von verpackungen mit flüssigen produkten
US20080264969A1 (en) * 2005-06-03 2008-10-30 Ian Anderson Sealable Container, and Method for Sealing a Container
AU2006254733B2 (en) * 2005-06-03 2008-06-05 Liqui-Box Asia Pacific Limited A sealable container, and method for sealing a container
CN102050233B (zh) * 2009-10-30 2012-10-03 烟台北方安德利果汁股份有限公司 一种无菌贮存的浓缩苹果清汁直接灌装无菌液袋的方法及专用设备
EP2819708B1 (de) 2012-02-28 2017-08-02 Life Technologies Corporation Systeme und behälter zum sterilisieren einer flüssigkeit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0072699B1 (de) * 1981-08-18 1986-07-23 Wrightcel Ltd. Verfahren und Vorrichtung zum keimfreien Anfüllen von Behältern mit Flüssigkeit

Also Published As

Publication number Publication date
EP0236107A1 (de) 1987-09-09
ES2016839B3 (es) 1990-12-01

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