EP0236107B1 - Station de remplissage aseptique - Google Patents
Station de remplissage aseptique Download PDFInfo
- 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
Links
- 238000012371 Aseptic Filling Methods 0.000 title description 8
- 238000011049 filling Methods 0.000 claims description 44
- 230000001954 sterilising effect Effects 0.000 claims description 41
- 239000012530 fluid Substances 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 20
- 239000012528 membrane Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 8
- 239000000047 product Substances 0.000 description 18
- 238000000605 extraction Methods 0.000 description 5
- 241000269907 Pleuronectes platessa Species 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Claims (8)
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 (fr) | 1987-09-09 |
EP0236107B1 true EP0236107B1 (fr) | 1990-06-13 |
Family
ID=25635992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87301791A Expired - Lifetime EP0236107B1 (fr) | 1986-03-03 | 1987-03-02 | Station de remplissage aseptique |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0236107B1 (fr) |
ES (1) | ES2016839B3 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH673819A5 (fr) * | 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 (fr) * | 1987-11-25 | 1990-06-29 | Nestle Sa | |
CH679768A5 (fr) * | 1989-05-02 | 1992-04-15 | Nestle Sa | |
PT741087E (pt) * | 1995-05-02 | 2000-09-29 | Goglio Spa Luigi Milano | Recipiente com bocal de enchimento particularmente para sistemas assepticos de embalagem e respectivo metodo de fabrico |
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 |
WO2004074162A1 (fr) | 2003-02-19 | 2004-09-02 | The Coca-Cola Company | Systeme et procede de remplissage aseptique d'emballages avec des produits liquides |
AU2006254733B2 (en) * | 2005-06-03 | 2008-06-05 | Liqui-Box Asia Pacific Limited | A sealable container, and method for sealing a container |
US20080264969A1 (en) * | 2005-06-03 | 2008-10-30 | Ian Anderson | 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 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0072699B1 (fr) * | 1981-08-18 | 1986-07-23 | Wrightcel Ltd. | Méthode et système pour remplissage stérile de réceptacles avec un fluide |
-
1987
- 1987-03-02 EP EP87301791A patent/EP0236107B1/fr not_active Expired - Lifetime
- 1987-03-02 ES ES87301791T patent/ES2016839B3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0236107A1 (fr) | 1987-09-09 |
ES2016839B3 (es) | 1990-12-01 |
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