EP0236107A1 - Aseptische Abfüllanlage - Google Patents
Aseptische Abfüllanlage Download PDFInfo
- Publication number
- EP0236107A1 EP0236107A1 EP87301791A EP87301791A EP0236107A1 EP 0236107 A1 EP0236107 A1 EP 0236107A1 EP 87301791 A EP87301791 A EP 87301791A EP 87301791 A EP87301791 A EP 87301791A EP 0236107 A1 EP0236107 A1 EP 0236107A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inlet
- container
- filling
- conduit
- openings
- 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
- 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 sterilizing the flexible containers internally and externally and maintaining the filling 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.
- USA Patent 2761,603 (Fairchild) disclosed a method of aseptically filling rigid containers in which rigid containers are pre sterilized and sealed with a rupturable seal or membrane.
- the Fairchild filling machine incorporates a filling tube and a sterilizing head within the filling tube which pierces the rupturable seal and provides sterilizing fluid axially of the filling tube to sterilize the internal surfaces of the filling head and the rupturable seal prior to its rupture.
- USA patent 3926,229 discloses an aseptic filling head in which the valve member for the product outlet incorporates an axial sterilizing fluid conduct. 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.
- the present invention provides a system for aseptically filling and storing degradable liquid contents which comprises: a) a flexible container having a sealed inlet, said inlet being capable of being opened and resealed; b) a fluid dispenser which incorporates a sterilizable product conduit comprising (i) two openings for allowing ingress or egress of degradable liquid contents (ii) one of said openings being adapted to abut a container inlet (iii) a valve member adapted for reciprocal movement within said conduit for closing the other of said openings (iv) said valve member carrying means for rupturing a sealing membrane located over said container inlet (v) resilient sealing means providing a seal between the conduit and said valve members between said two openings (vi) at least one sterilizing fluid inlet and at least one sterilizing fluid outlet opening onto said conduit adjacent the opening which abuts the container inlet, said inlets and outlets being disposed laterally of produced flow; c) means for sterilizing the containers while said inlet is closed;
- a method of aseptically filling containers characterized in the steps of: a) sterilizing sealed containers which have a resealable inlet; b) maintaining the internal surfaces of the filling dispenser in a sterile state; c) bringing the closed inlet of the container into abutment with the outlet nozzle of the filling dispenser by means of a movable container support; d) introducing sterilizing fluid into the space between said nozzle and said closed inlet in a direction laterally of product flow from said outlet nozzle into said container inlet and withdrawing it laterally.
- 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 said inlet and is covered on the other side of said 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) a flexible container having an inlet, said inlet being capable of being sealed by heat sealing a heat sealable flap onto one side of the inlet opening and incorporating over its other inlet opening a rupturable closure; b) a fluid dispenser which incorporates a sterlizable product conduit comprising (i) two opening for allowing ingress or egress of degradable liquid contents (ii) one of said openings being adapted to abut a container inlet (iii) a valve member adapted for reciprocal movement within said conduit for closing the other of said openings (iv) said valve member carrying means for rupturing a sealing membrane located over said container inlet (v) resilient sealing means providing a seal between the conduit and said valve members between said two openings (vi) at least one sterilizing fluid inlet and at least one sterilizing fluid outlet opening onto said conduit adjacent the opening which abuts the container inlet, said inlets and
- 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 056701 and 072699 wherein the seal is a valve seat which restricts movement of the valve member.
- the sterilizable 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 sterilizing 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, sterilizing the recess and the container seal, rupturing the seal extracting product and closing the conduit.
- An important aspect of this invention is the provision of sterilizing fluid inlets disposed laterally of product flow through the recess.
- the inlets are tangential to the circular recess wall to provide a swirling motion of the sterilizing fluid within the recess.
- This provides a much better cleaning action on the surface of the recess, the surface of the valve head and piercing tool and the surface of the rupturable membrane than can be provided by axial flow of the sterilizing fluid as taught in US patents 2761,603 (Fairchild) and 3926,229 (Scholle).
- lateral extraction of sterilizing fluid is also more efficient than the reverse axial extraction as taught in the prior art by Scholle and Fairchild.
- Either heat, a permeable gas, or radiation such as electron beam, u.v. or preferablyGamma radiation is used to sterilize the sealed containers prior to filling.
- Hydrogen peroxide or steam is used to sterilize the surfaces and space between the outlet nozzle and the container closure.
- figure 1 is a schematic view of the container and collar
- figure 2 is a sectional view of the filling nozzle
- figure 3 is a cross-section through the head during the filling cycle
- figure 4 is a cross-section showing the sealing operation while the container is still in position at the filling head
- figure 5 is a plan view of the filling head taken along the line 5-5 of figure 2.
- 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 a 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.
- the container and collar is as described in USA patent no. 4257535.
- the filling apparatus is a modified version of that described in European patent application 82 300 1 458.
- 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.
- the sterilizing 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.
- 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.
- the sequence of operations is that initially 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. After contact is made between body section 20 and membrane 41 sterilizing fluid (either gas or liquid such as steam) is passed in to the recess 46 via inlet 44 and sterilizes the inner surfaces of the recess the valve member 22, piercing member 25 and the surface of membrane 41. Subsequently the sterilizing fluid is withdrawn through outlet 45.
- sterilizing fluid either gas or liquid such as steam
- 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.
- 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 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 similarly 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 sterilizing step can take place prior to breaking the seal 5.
- this invention provides a simple means of ensuring aseptic filling of liquids.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
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 true EP0236107A1 (de) | 1987-09-09 |
EP0236107B1 EP0236107B1 (de) | 1990-06-13 |
Family
ID=25635992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87301791A Expired - Lifetime EP0236107B1 (de) | 1986-03-03 | 1987-03-02 | Aseptische Abfüllanlage |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0236107B1 (de) |
ES (1) | ES2016839B3 (de) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8711114U1 (de) * | 1987-08-15 | 1988-07-14 | Paul Kunz GmbH, 5419 Döttesfeld | Reinigungsvorrichtung für automatische Füllmaschinen zum Befüllen von Beuteln aus flexiblem Kunststoffmaterial |
EP0317908A1 (de) * | 1987-11-25 | 1989-05-31 | Societe Des Produits Nestle S.A. | Verfahren und Vorrichtung zum aseptischen Füllen einer Verpackung mit einer Flüssigkeit |
US4893659A (en) * | 1987-03-02 | 1990-01-16 | Nestec S. A. | Filling head apparatus for aseptically filling a pack |
EP0395933A1 (de) * | 1989-05-02 | 1990-11-07 | Clintec Nutrition Company | Verfahren und Vorrichtung zum Sterilisieren und Reinigen einer Anlage für aseptische Abfüllung |
EP0741087A1 (de) * | 1995-05-02 | 1996-11-06 | Goglio Luigi Milano S.P.A. | Behälter mit Abfüllstutzen, insbesondere für aseptische Verpackungssysteme und Herstellungsverfahren dafür |
GB2328426A (en) * | 1997-08-22 | 1999-02-24 | Hoerauf Michael Maschf | A container having a filling opening |
WO2000062820A3 (en) * | 1999-04-20 | 2001-03-08 | Baxter Int | Method and apparatus for manipulating pre-sterilized components in an active sterile field |
WO2002062666A1 (en) * | 2001-02-07 | 2002-08-15 | ZENTIS Polska Sp. z o.o. | Connector for the aseptic insertion of liquid and/or semi-liquid and/or powdered materials to the medium in flow |
WO2004074162A1 (en) | 2003-02-19 | 2004-09-02 | The Coca-Cola Company | System and method for aseptic filling of packages with liquid products |
WO2006128246A1 (en) * | 2005-06-03 | 2006-12-07 | Rapak Asia Pacific Limited | A 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 |
US9289522B2 (en) | 2012-02-28 | 2016-03-22 | Life Technologies Corporation | Systems and containers for sterilizing a fluid |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0072699A1 (de) * | 1981-08-18 | 1983-02-23 | Wrightcel Ltd. | Verfahren und Vorrichtung zum keimfreien Anfüllen von Behältern mit Flüssigkeit |
-
1987
- 1987-03-02 ES ES87301791T patent/ES2016839B3/es not_active Expired - Lifetime
- 1987-03-02 EP EP87301791A patent/EP0236107B1/de not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0072699A1 (de) * | 1981-08-18 | 1983-02-23 | Wrightcel Ltd. | Verfahren und Vorrichtung zum keimfreien Anfüllen von Behältern mit Flüssigkeit |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4893659A (en) * | 1987-03-02 | 1990-01-16 | Nestec S. A. | Filling head apparatus for aseptically filling a pack |
DE8711114U1 (de) * | 1987-08-15 | 1988-07-14 | Paul Kunz GmbH, 5419 Döttesfeld | Reinigungsvorrichtung für automatische Füllmaschinen zum Befüllen von Beuteln aus flexiblem Kunststoffmaterial |
EP0317908A1 (de) * | 1987-11-25 | 1989-05-31 | Societe Des Produits Nestle S.A. | Verfahren und Vorrichtung zum aseptischen Füllen einer Verpackung mit einer Flüssigkeit |
CH674637A5 (de) * | 1987-11-25 | 1990-06-29 | Nestle Sa | |
EP0395933A1 (de) * | 1989-05-02 | 1990-11-07 | Clintec Nutrition Company | Verfahren und Vorrichtung zum Sterilisieren und Reinigen einer Anlage für aseptische Abfüllung |
US5099895A (en) * | 1989-05-02 | 1992-03-31 | Clintec Nutrition Co. | Filling head for aseptically filling a pack |
CH679768A5 (de) * | 1989-05-02 | 1992-04-15 | Nestle Sa | |
CN1071690C (zh) * | 1995-05-02 | 2001-09-26 | 戈格里奥·卢格米兰公司 | 无菌包装***的带充填嘴的容器及其制造方法 |
EP0741087A1 (de) * | 1995-05-02 | 1996-11-06 | Goglio Luigi Milano S.P.A. | Behälter mit Abfüllstutzen, insbesondere für aseptische Verpackungssysteme und Herstellungsverfahren dafür |
GB2328426A (en) * | 1997-08-22 | 1999-02-24 | Hoerauf Michael Maschf | A container having a filling opening |
AU760376B2 (en) * | 1999-04-20 | 2003-05-15 | Baxter International Inc. | Method and apparatus for manipulating pre-sterilized components in an active sterile field |
US7655198B2 (en) | 1999-04-20 | 2010-02-02 | Baxter International Inc. | Method and apparatus for manipulating pre-sterilized components in an active sterile field |
WO2000062820A3 (en) * | 1999-04-20 | 2001-03-08 | Baxter Int | Method and apparatus for manipulating pre-sterilized components in an active sterile field |
US7264771B2 (en) | 1999-04-20 | 2007-09-04 | Baxter International Inc. | Method and apparatus for manipulating pre-sterilized components in an active sterile field |
WO2002062666A1 (en) * | 2001-02-07 | 2002-08-15 | ZENTIS Polska Sp. z o.o. | Connector for the aseptic insertion of liquid and/or semi-liquid and/or powdered materials to the medium in flow |
WO2004074162A1 (en) | 2003-02-19 | 2004-09-02 | The Coca-Cola Company | System and method for aseptic filling of packages with liquid products |
WO2006128246A1 (en) * | 2005-06-03 | 2006-12-07 | Rapak Asia Pacific Limited | A 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 |
CN101233056B (zh) * | 2005-06-03 | 2010-05-19 | 雷帕克亚洲太平洋有限公司 | 一种可密封容器,密封管,以及密封容器的方法 |
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 |
US9289522B2 (en) | 2012-02-28 | 2016-03-22 | Life Technologies Corporation | Systems and containers for sterilizing a fluid |
US9737624B2 (en) | 2012-02-28 | 2017-08-22 | Life Technologies Corporation | Systems and containers for sterilzing a fluid |
US10166306B2 (en) | 2012-02-28 | 2019-01-01 | Life Technologies Corporation | Containers and systems for processing a fluid |
US10821197B2 (en) | 2012-02-28 | 2020-11-03 | Life Technologies Corporation | Containers and systems for processing a fluid |
US11833259B2 (en) | 2012-02-28 | 2023-12-05 | Life Technologies Corporation | Containers and systems for processing a fluid |
Also Published As
Publication number | Publication date |
---|---|
ES2016839B3 (es) | 1990-12-01 |
EP0236107B1 (de) | 1990-06-13 |
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