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EP0731037B1 - Système pour maintenir des conditions de stérilité à l'embout de remplissage d'un récipient dans des installations de conditionnement aseptique - Google Patents

Système pour maintenir des conditions de stérilité à l'embout de remplissage d'un récipient dans des installations de conditionnement aseptique Download PDF

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Publication number
EP0731037B1
EP0731037B1 EP96103301A EP96103301A EP0731037B1 EP 0731037 B1 EP0731037 B1 EP 0731037B1 EP 96103301 A EP96103301 A EP 96103301A EP 96103301 A EP96103301 A EP 96103301A EP 0731037 B1 EP0731037 B1 EP 0731037B1
Authority
EP
European Patent Office
Prior art keywords
container
spout
cap
filling
stopper
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
EP96103301A
Other languages
German (de)
English (en)
Other versions
EP0731037A1 (fr
Inventor
Franco Goglio
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.)
Goglio Luigi Milano SpA
Original Assignee
Goglio Luigi Milano SpA
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 Goglio Luigi Milano SpA filed Critical Goglio Luigi Milano SpA
Publication of EP0731037A1 publication Critical patent/EP0731037A1/fr
Application granted granted Critical
Publication of EP0731037B1 publication Critical patent/EP0731037B1/fr
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
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/62—Secondary protective cap-like outer covers for closure members

Definitions

  • the present invention relates to a system for preserving sterile conditions in the filling spout area of containers, in plants for packaging in aseptic conditions.
  • containers consisting of large bags of plastic and/or metallized materials, laminated and/or in several layers, which are placed in special drums, or other suitable containers, for packaging products based on chopped tomatoes or tomato puree.
  • the wall of the bag generally comprises a barrier assembly with several outer layers and at least one inner polyethylene layer.
  • a spout that serves for subsequent filling of the bag
  • said spout protruding externally form the wall and being closed with a stopper, which can be a press-on stopper or a soft stopper or otherwise.
  • This stopper normally has a hollow in the external bottom wall, both for manufacturing reasons and to give it the elastic properties necessary to enable perfectly tight closure of the spout.
  • the bag thus prepared is normally subjected to gamma ray sterilisation to obtain complete sterilisation both of its inner surface and of its outer surface, including the spout and relative stopper.
  • the bags thus processed are then ready for use and are sent to the food packaging industries or food industries in general, who fill them with the relative product.
  • the product is subjected to particular heat treatments, to eliminate the bacterial content present in it and then sent to the filling plant, where a sterilised chamber is provided which is positioned so as to enclose the filling spout, first delivering a jet of steam to the outside of the spout , which should restore it to the sterile conditions which were obviously lost during the stages prior to filling, for example during introduction of the bags into the special drums or containers.
  • Appropriate means subsequently remove the stopper from the spout, keeping it inside the sterile filling chamber, from which a tube is lowered and inserted into the spout to carry out filling of the bag with the product to be preserved.
  • spores or other micro-organisms may collect around the spout and pollute the filling chamber and consequently the product, damaging its quality.
  • a container of said type is known for instance from GB-A-2.112.735.
  • US-A-4.616.760 discloses a container for sterile solutions for infusion into a patient, comprising a port hermetically sealed by a closure, aimed at maintaining the sterility of the port before the use of the product contained in the container.
  • the closure is applied after the filling of the container.
  • the aim of the invention is to overcome the above drawbacks by providing an extremely simple and economical system for preserving and ensuring sterile conditions in the filling spout area of containers of the above type.
  • the aim is achieved, according to the invention as claimed, by providing an external cap to cover the spout and the relative stopper.
  • This cap is advantageously fitted before gamma ray sterilisation of the container, so that it itself is sterilised and preserves the sterility of the spout beneath it during storage and transportation of the container and in the stages immediately prior to filling.
  • This cap is removed immediately prior to filling of the container, thus ensuring the sterile condition of the spout at the moment of filling.
  • the cap can be made by thermoforming flexible or rigid plastic material, advantageously with an inner layer of polyethylene or polyester, and has for example an annular flange at its base, which is heat-sealed or glued to the area of the bag surrounding the spout.
  • the number 1 schematically indicates a portion of a container for aseptic packaging systems, consisting of a bag made of plastic material, with one or several layers, at least one of which may be metallized.
  • this wall of the container 1 is shown as a single laminate, comprising for example an intermediate metallized layer enclosed between polyethylene-based layers. It is clear, however, that other layered arrangements of materials are possible and that instead of a single laminate a plurality of films coupled together can be provided, for example a metallized outer film consisting of polyethylene, metallized polyester, polyethylene, and an inner film, possibly double, consisting of polyethylene.
  • the filling spout 2 is applied during production of the container 1, from the inside of the relative wall, in which a hole is made for it to pass, so that an annular base flange 3 of the spout remains inside the container and is welded to it by heat applied from the outside, for example by induction.
  • the spout 2 has a substantially tubular body, inside which a closing stopper 4 is inserted by pressure, said stopper normally having an inner hollow or recess 5.
  • the container 1, complete with the spout 2 and the closing stopper 4, as stated previously, is normally sterilised by gamma rays and them sent to aseptic packaging plant.
  • the invention provides for a protective hood or cap 6 to be applied to cover the spout 2 and the stopper 4, said cap having a base flange 7 and possibly a pull-tab 8.
  • the cap 6 is advantageously obtained by thermoforming of plastic material, comprising an inner layer of polyethylene, preferably of the so-called easy-open type.
  • plastic material comprising an inner layer of polyethylene, preferably of the so-called easy-open type.
  • the flange 7 can be heat-sealed to the outer surface of the relative wall of the container 1 and at the moment of filling the container the cap can easily be peeled away, an operation that is facilitated by the provision of the pull-tab 8.
  • the flange 7 can be fixed to the container 1 by different methods, for example by gluing.
  • the cap 6, as stated, is advantageously obtained by thermoforming of flexible or rigid plastic material, but it could also be made by moulding, although this method is more costly.
  • FIG 3 shows a different embodiment of the cap 6 which will now be described using the same reference numbers introduced in relation to Figures 1 and 2.
  • the stopper 4 in Figure 3 is made of relatively soft material and closes the upper outer edge of the spout 2 with a tight seal.
  • the cap 6 illustrated in Figure 3 is made of relatively rigid material and is shaped like a glass turned upside down, having an inner projection 9 which couples mechanically to an annular projection 10 provided around the spout 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Bag Frames (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Basic Packing Technique (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Packages (AREA)

Claims (11)

  1. Système de maintien des conditions stériles dans la zone de remplissage de récipients (1) pour des systèmes de conditionnement aseptique, lesdits récipients (1) ayant un bec de remplissage (2) fermé par un bouchon amovible (4), caractérisé en ce qu'il est pourvu d'un couvercle (6) appliqué avec un joint hermétique de façon amovible sur ledit bec (2) avec un bouchon (4) ou sur le récipient fermé de sorte qu'il entoure et ferme hermétiquement au moins la partie finale d'une portion de bec sortant hors du récipient et dudit bouchon (4), ledit couvercle (6) étant appliqué avant la stérilisation du récipient (1) et étant retiré avec ledit bouchon (4) immédiatement avant le remplissage du récipient (1) à travers ledit bec (2).
  2. Système selon la revendication 1, caractérisé en ce que ledit couvercle (6) possède un rebord formant une base (7), qui est fixé de façon amovible sur la paroi extérieure dudit récipient (1).
  3. Système selon la revendication 2, caractérisé en ce que ledit rebord (7) possède une couche interne réalisée dans un matériau "facile à ouvrir" et est appliqué hermétiquement par la chaleur sur le récipient (1), le retrait étant effectué par arrachage.
  4. Système selon la revendication 2, caractérisé en ce que ledit rebord (7) est fixé au récipient (1) par encollage.
  5. Système selon une quelconque des revendications 2 à 4, caractérisé en ce que ledit rebord (7) possède une languette à tirer de déchirage (8).
  6. Système selon la revendication 1, caractérisé en ce que ledit couvercle (6) a la forme d'un verre retourné et est mécaniquement appliqué à un bouton à pression sur le bec (2) à travers l'engagement d'un bord ou d'une projection (9) interne sur le couvercle avec une projection annulaire correspondante (10) réalisée sur le bec.
  7. Système selon une quelconque des revendications précédentes caractérisé en ce que ledit couvercle (6) est obtenu par formage thermique d'une matière plastique rigide ou flexible.
  8. Système selon une quelconque des revendications 1 à 6, caractérisé en ce que ledit couvercle (6) est obtenu par moulage.
  9. Système selon une quelconque des revendications 1 à 10, caractérisé en ce que ledit récipient (1) se compose de plastique stratifié, comprenant au moins une couche métallisée et des couches extérieures de polyéthylène.
  10. Système selon une quelconque des revendications 1 à 8, caractérisé en ce que ledit récipient (1) est formé d'un accouplement de plusieurs couches, avec au moins une couche interne de polyéthylène et une couche extérieure métallisée, avec une couche extérieure de polyéthylène.
  11. Système selon une quelconque des revendications 1 à 8, caractérisé en ce que ledit récipient (1) est formé d'un accouplement de plusieurs couches, avec au moins une couche interne de polyéthylène et une couche extérieure composée d'un assemblage barrière multicouche.
EP96103301A 1995-03-08 1996-03-04 Système pour maintenir des conditions de stérilité à l'embout de remplissage d'un récipient dans des installations de conditionnement aseptique Expired - Lifetime EP0731037B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI950447 1995-03-08
IT95MI000447A IT1275875B1 (it) 1995-03-08 1995-03-08 Sistema per il mantenimento delle condizioni di sterilita' nella zona del bocchello di riempimento di contenitori per impianti di

Publications (2)

Publication Number Publication Date
EP0731037A1 EP0731037A1 (fr) 1996-09-11
EP0731037B1 true EP0731037B1 (fr) 2002-12-04

Family

ID=11370817

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96103301A Expired - Lifetime EP0731037B1 (fr) 1995-03-08 1996-03-04 Système pour maintenir des conditions de stérilité à l'embout de remplissage d'un récipient dans des installations de conditionnement aseptique

Country Status (5)

Country Link
EP (1) EP0731037B1 (fr)
ES (1) ES2187586T3 (fr)
IT (1) IT1275875B1 (fr)
PT (1) PT731037E (fr)
TR (1) TR199600187A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0741087B1 (fr) 1995-05-02 2000-03-22 Goglio Luigi Milano S.P.A. Récipient avec embout de remplissage, en particulier pour des systèmes d'emballages aseptiques et méthode de fabrication
WO2000066436A1 (fr) * 1999-05-04 2000-11-09 Astepo Srl Procede d'emballage sterile de produits, en particulier de produits alimentaires ou de boissons dans des sachets d'emballage, et sachets d'emballage y relatifs
EP1247749B2 (fr) 1999-05-04 2007-04-25 Astepo SRL Sachet d'emballage pour remplissage aseptique de produits coulants
WO2002030779A1 (fr) * 2000-10-09 2002-04-18 Calero Armas Jose Reyes Protection sanitaire de produits emballes (prosapen)
DE20100938U1 (de) 2001-01-18 2001-03-22 Georg Menshen GmbH & Co KG, 57413 Finnentrop Ausgiessformteil zur Verbindung mit einem Behälterteil
BR8200811U (pt) * 2002-04-19 2002-09-24 Genor Filho Peraza Proteção asséptica para embalagens alimentìcias, de bebidas e congêneres
WO2007019868A1 (fr) * 2005-08-16 2007-02-22 Abou El-Seoud Sherine Hassan M Couverture (feuille de l’epaisseur d’une membrane) pour des emballages sains
ES2549694B9 (es) 2014-10-23 2017-01-04 Grifols, S.A. Procedimiento de llenado aséptico de una bolsa

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108732A (en) * 1962-09-13 1963-10-29 Corrugated Container Company Disposable type pouring container package combination
US4530202A (en) * 1982-01-18 1985-07-23 Aci Australia Limited Container filling machine and method
US4616760A (en) * 1985-01-30 1986-10-14 Baxter Travenol Laboratories, Inc. Port and closure assembly for a container
US4687114A (en) * 1986-01-21 1987-08-18 Northern Engineering And Plastics Corp. Tamper indicating closure for containers
US5097949A (en) * 1991-03-15 1992-03-24 Westvaco Corporation Static shielding bag

Also Published As

Publication number Publication date
ITMI950447A1 (it) 1996-09-08
EP0731037A1 (fr) 1996-09-11
ES2187586T3 (es) 2003-06-16
PT731037E (pt) 2003-04-30
TR199600187A2 (tr) 1996-10-21
ITMI950447A0 (it) 1995-03-08
IT1275875B1 (it) 1997-10-24

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