EP1485294B1 - Zur heissversiegelung verschiedener behälter verwendete maschine - Google Patents

Zur heissversiegelung verschiedener behälter verwendete maschine Download PDF

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Publication number
EP1485294B1
EP1485294B1 EP03739520A EP03739520A EP1485294B1 EP 1485294 B1 EP1485294 B1 EP 1485294B1 EP 03739520 A EP03739520 A EP 03739520A EP 03739520 A EP03739520 A EP 03739520A EP 1485294 B1 EP1485294 B1 EP 1485294B1
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EP
European Patent Office
Prior art keywords
frame
base
coil
magnetic field
closure
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
EP03739520A
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English (en)
French (fr)
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EP1485294A1 (de
Inventor
Noel Beche
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Individual
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Individual
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Publication date
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Publication of EP1485294A1 publication Critical patent/EP1485294A1/de
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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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/148—Hand-operated members
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
    • B65B7/164—Securing by heat-sealing

Definitions

  • the object of the present invention relates to the technical field of packaging of various products and, more particularly, of food products in the context of manufacturing public, artisanal or semi-industrial.
  • the object of the invention is more specifically the packaging of products using container-type containers, of different shapes and sizes that should be closed after filling, in order to preserve the entirety of their contents.
  • the present invention more specifically relates to a machine for sealing, sealing or generally closing a tray by heat sealing a closure member such as a film, a lid, a lid or the like.
  • a machine having a base arranged to delimit a receiving housing of a container.
  • This machine also comprises a mobile frame connected to the base by means of a connection system for ensuring the passage of the frame between a release position of the receiving housing and a waiting position for closing the container.
  • a frame is equipped with a means for fixing a closure member on the container placed in the housing.
  • a fixing means can be achieved by heating means.
  • This machine is also provided with an additional mechanism of indirect force ensuring a displacement of the movable frame between a waiting position of closure and a closed position in which the heating means are pressed against the shutter member in order to secure it to the container.
  • the mobile chassis must be maneuvered firstly, over a relatively large distance between the clearance and closing waiting positions to allow easy access to the receiving housing of the container and secondly, on a limited stroke with application to the closure member of a relatively large sealing pressure for a fixed period.
  • the intensity of the sealing pressure and the heating time are important parameters for the quality of the filling, a bad closure may cause degradation of the packaged product in the container.
  • the object of the invention is therefore to overcome the disadvantages of known prior solutions by providing a machine designed to ensure the movement of the mobile frame respecting the sealing parameters while allowing to achieve a simple machine implementing a minimum of parts and optimizing the energy efficiency between the installed power and the sealing pressure obtained.
  • Another object of the invention is to provide a reliable machine, easy maintenance, low cost and limited space.
  • Another object of the invention is to propose a machine for closing by heat-sealing containers, also designed to create an air vacuum and possibly inject a neutral gas.
  • the machine according to the invention comprises a frame and / or a base provided with sealing means sealing in sealing position the receiving housing defined by a tank, such receiving housing communicating with a suction device and / or injection of a different fluid.
  • the machine according to the invention and generally designated by the reference 1 comprises a base 2 defining a housing 3 for receiving a container 4 to be closed by a shutter member not shown, by a heat sealing operation.
  • the container 4 is in the form of a substantially parallelepiped shaped tray provided with a wing or a peripheral pad 5 for sealing the closure member such as a film, a lid or a lid for example.
  • the housing 3 arranged on the base 2 is defined in a cradle 6 on the edge of which comes to rest the peripheral beach 5 of the container.
  • the peripheral cradle 6 is supported on both sides by legs 8 connected at their ends to form a base 9 equipped with support feet 10 on a support.
  • the cradle 6 thus extends to a given height of the support to allow positioning inside the housing 3 of containers 4 of various heights.
  • the base 9 constitutes a stacking surface of the sealing members to be heat-sealed on the containers 4.
  • the machine 1 also comprises a mobile frame 12 equipped with a fastening means 13 for the shutter members of the container.
  • the fastening means 13 is designed for the heat-sealing of a thermoplastic closure member on the container 4.
  • the fastening means 13 is formed by a pressure plate 14 equipped with an element heater 15 such as, for example, an electrical resistor.
  • This pressure plate 14 has a closed contour of dimensions adapted to the peripheral area 5 of the container 4.
  • the heating element 15 is connected to a not shown control unit which is connected to a temperature sensor mounted in connection with the pressure plate 14.
  • the pressure plate 14 is intended to come into contact with the closure member in line with the peripheral zone 5 of the container, which in the example illustrated rests on a mounted rubber bead 7 6.
  • the peripheral portion 5 of the container 4 rests on a metal seal imprint forming part of the cradle 6 or attached to the cradle 6.
  • Figs. 4 and 5 more particularly illustrate a machine 1 ensuring the sealing as shutter member, a film F wound in the form of a coil mounted on an axis 16 supported at its ends by the legs 8 of the base 2 .
  • the base 2 is provided on its rear part a roller 16 1 passage for the film F for holding the film against the cradle 6 on the base.
  • the machine 1 is equipped with a system 17 for cutting the film F to the length of the container 4.
  • the cutting system 17 is mounted on the mobile frame 12 upstream of the housing 3 with respect to the direction of stretching of the film.
  • the cutting system 17 comprises a knife 17 1 mounted transversely on the mobile frame 12, and on either side of which extends a film clamp 17 2 mounted vertically movable.
  • the film clamp 17 2 is biased to protrude from the mobile frame 12 by means of springs 17 3 to press the film against the cradle, on either side of a clearance groove 17 4 for the knife 17 1 , arranged on the base 2.
  • the frame 12 is movable relative to the base 2 between a position of disengagement of the housing 3 shown in phantom in FIG. 1 and a closing waiting position shown in full lines in FIG. 1.
  • the frame 12 and the base 2 are interconnected by means of a connection system 18 allowing the passage of the mobile frame 12 from one position to another.
  • the connecting system 18 is constituted by two rods 19 fixedly mounted on either side of the mobile frame 12.
  • the other end of each of the rods 19 is equipped with a hinge pin 21 allowing pivoting of the mobile frame 12 about this hinge axis 21.
  • each hinge pin 21 is mounted with a possibility of vertical movement allowing the connection between the frame 12 and the base 2 in a substantially vertical direction.
  • the hinge pin 21 is mounted inside a slide 23 guided in vertical displacement inside a groove 24 arranged in a lug 26 extending at the rear and towards the down from the cradle 6.
  • Each slide 23 is biased resiliently by means of a spring 27, in the up position, that is to say in spacing from the mobile frame 12 relative to the base 2.
  • the mobile frame 12 is therefore able to occupy the release position in which it occupies a position substantially perpendicular to the plane of extension of the housing 3 for receiving the container 4.
  • This release position is defined by opening stops 29 carried by the tabs 26 on which the rods 19 abut. In this open position, it should be noted that the housing 3 is made easily accessible for the operations of setting up and removing the container 4 and the filling the container 4.
  • the mobile frame 12 can be moved manually by pivoting about its hinge axes 21 so as to bring it to a closing waiting position in which the mobile frame 12 determines with the base 2, an air gap E.
  • a closing waiting position in which the mobile frame 12 determines with the base 2, an air gap E.
  • the fastening means 13 and the cradle 6 extend in planes substantially parallel to each other and distant from the gap E whose function will appear more precisely in the following description.
  • the waiting position for closing the mobile frame 12 is defined by a closing abutment 31 carried by the cradle 6 and on which abuts a connecting beam 32 carried by the rods 19.
  • the machine 1 comprises a mechanism 40 ensuring the displacement of the movable frame 12 between the closing waiting position and a closing position in which the fastening means 13 ensures the fastening of the shutter member on the container 4.
  • the displacement mechanism 40 comprises at least one coil 41 for producing a magnetic field, mounted in the example shown on the base 2 so that in the waiting position of closure of the mobile frame 12, the magnetic field created by the coil can be closed on a closing circuit 43 arranged in the example shown on the mobile frame 12.
  • the field production coil 41 is associated with a magnetic circuit 44 said magnetic field pipe. In the standby position of closure, the magnetic channeling circuit 44 extends in close relation and in relation to the closing circuit 43.
  • the total magnetic circuit for the circulation of the magnetic field created by the coil 41 has a fixed portion (channel circuit 44 in the example shown) and a movable portion (closing circuit 43 in the example shown).
  • the coil 41, the channeling circuit 44 and the closing circuit 43 of the magnetic field are adapted so that during the excitation of the coil, the magnetic field created by the coil can close again in order to create a direct force of attraction ensuring the displacement of the mobile frame 12 from its position of waiting to close to its position of closure of the container.
  • this displacement in translation of the mobile frame 12 in a direction perpendicular to the plane of extension of the housing 3 is possible insofar as the mobile frame 12 is mounted with a possibility of vertical sliding by means of the hinge pins 21 guided in vertical translation.
  • the gap E delimited between the mobile frame 12 and the base 2 is adapted to allow, for a given excitation of the coil, the closing of the magnetic field by the closing circuit 43 placed on the mobile frame 12.
  • the magnetic field production coil 41 extends over the entire periphery of the housing 3.
  • the closing circuit 43 extends around the periphery of the housing 3 when the mobile frame 12 is in its waiting position closure.
  • the cradle 6 is provided with a groove 45 extending in a closed contour surrounding the housing 3, and designed to receive the excitation coil 41 and the magnetic channel circuit 44.
  • the channeling circuit 44 which is made in one non-magnetic material, for example mild steel, has a transverse cross-section in "U" whose branches are turned towards the closing circuit 43 made of non-magnetic material.
  • this channel circuit 44 which has a toroidal shape, ie closed on itself, is wound a dielectrically insulated electrical conductor wire to form the coil 41 which is housed inside the channel circuit 44.
  • a dielectrically insulated electrical conductor wire to form the coil 41 which is housed inside the channel circuit 44.
  • the electrical installation of the coil 41 may be completed or ensured by a coating such as silicone filling the "U" circuit.
  • each excitation coil 41 and its associated magnetic circuit 43, 44 has a similar embodiment but with reduced dimensions.
  • each channeling magnetic circuit 44 which is constituted in the form of a transverse cross-section torus in "U" allows the winding of a wire to obtain the coil 41 of production of the magnetic field.
  • the mobile frame 12 is equipped with a closing circuit 43.
  • a container 4 can be placed inside the housing 3 and be filled with products for example food.
  • a closure member such as a lid, film or cap is placed on the container 4.
  • the movable frame 12 is then manually moved so as to pivot and come to occupy its position of closing waiting determined by the bearing of the movable frame 12 on the stop stop 31. In this position of waiting for closure, the mobile frame 12 extends substantially parallel to the cradle 6 with a spacing corresponding to the gap E.
  • the excitation coil 41 is then electrically powered to create a magnetic field which closes by the closing circuit 43.
  • the attraction force thus created is applied to the mobile frame 12, which approaches the base in a sliding movement.
  • the attraction force is such that the pressure plate 14 bears on the cradle 6 and more precisely on the closure member which is superimposed on the peripheral portion 5 of the container resting on the rubber cord 7 . It should be noted that in the variant embodiment of the machine illustrated in FIGS. 4 and 5, the bearing of the pressure plate 14 leads to the cutting of the film by the knife 17 1 .
  • the application time of the pressure plate 14 which corresponds to the power supply time of the excitation coil 41 on the one hand, and the intensity of the attraction force which depends on the value of the excitation of the coil on the other hand, are determined so as to obtain an effective heat sealing of the closure member on the container 4.
  • the mobile frame 12 which returns under the action of the springs 27 in its position of waiting to close, can be raised to remove the filled and closed container to allow to start another cycle of operation.
  • the machine 1 according to the invention which is of simple design and limited space requires a low electric power to the extent that the attraction force acts directly, without additional mechanical system, on the mobile frame at the periphery of the housing 3 .
  • FIGs 8 and 9 illustrate another alternative embodiment of a machine according to the invention adapted to create a vacuum inside the container 4 and, optionally ensure the injection of a neutral gas inside the container.
  • This machine designated by the reference 1 has all the features already described in relation to Figures 1 to 3 which are not repeated in the following description.
  • this machine 1 further comprises a sealed tank 50 arranged on the base 2 and adapted to define the receiving housing 3.
  • the base 2 is provided with sealing means 51 adapted to seal in a position of waiting for closure, the receiving housing 3.
  • These sealing means 51 are constituted by a peripheral seal 52 extending outside the receiving border of the peripheral range 5 of the container 4.
  • the mobile frame 12 also has a seal, at least for its part delimited inside the seal 52 to obtain a receiving housing 3 sealed .
  • the machine 1 also comprises, as illustrated in FIG. 10, bearing stops 53 that are elastically deformable under the action of bringing the mobile frame 12 closer to the base 2, thus making it possible to delimit an intermediate waiting position of closing the frame 12 in which the housing 3 is made completely sealed.
  • the bearing abutments 53 for example four of which are distributed around the periphery of the housing 3 and carried by the mobile frame 12, consist of a sleeve 54 movable inside. which is mounted a spring 55.
  • the excitation of the coil 41 for creating a magnetic field is controlled by a control unit making it possible to drive the coil in a so-called low excitation mode to ensure the limited displacement of the mobile frame 12 to bring it into an intermediate position waiting to close so as to seal by the sealing means 51, the tank 50 defining the receiving housing 3.
  • the sealed mobile frame 12 is close to the base 2 so that the seal 52 is deformed while leaving the closure member free on the container 4.
  • it can be provided to ensure the control of a pump, not shown suction the air contained inside the tank 50 that is to say the housing 3 and therefore the container 4.
  • the suction pump can be mounted on the base by communicating with the interior of the tank 50 by the intermediate of a pipe equipped with a controlled shutter.
  • it may be provided to inject inside the housing 3, a fluid such as a neutral gas.
  • the coil for creating a magnetic field can then be controlled in its so-called normal excitation mode, to ensure the consecutive displacement of the mobile frame 12 of in order to ensure the heat sealing operation of the container as described above.
  • the machine comprises a means 59 for detecting the movable frame 12, in its waiting position closing.
  • This detection means 59 is connected to the coil control unit 41 for controlling the excitation when the movable frame 12 occupies its closed standby position.
  • this detection means 59 can equip the machine illustrated in Figures 1 to 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Package Closures (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Air Bags (AREA)
  • Vacuum Packaging (AREA)

Claims (11)

  1. Gerät zum Verschließen verschiedener Behälter umfassend:
    - einen Sockel (2), der dafür eingerichtet ist, einen Sitz (3) zur Aufnahme eines Behälters (4) zu begrenzen,
    - ein zwischen einer Freisetzungsstellung und einer Schließbereitschaftsstellung bewegbares Gestell (12), das mit einem Mittel (13) zur Befestigung eines Verschließorgans auf einem Behälter (4) versehen ist, der in dem Sitz (3) angeordnet ist,
    - ein System (18) zur Verbindung zwischen dem Gestell (12) und dem Sockel (2), das den Übergang des bewegbaren Gestells von einer Stellung zur anderen erlaubt,
    - und einen Mechanismus (40) zur Bewegung des Gestells (12), das zwischen der Schließbereitschaftsstellung und einer Schließstellung bewegbar ist, in der das Mittel zur Befestigung (13) die feste Verbindung des Verschließorgans auf dem Behälter sichert,
    dadurch gekennzeichnet,
    daß das bewegbare Gestell (12) auf dem Sockel (2) mit einer vertikalen Gleitmöglichkeit montiert ist, um seine Bewegung zwischen seiner Schließbereitschaftsstellung und seiner Schließstellung zu erlauben,
    daß der Bewegungsmechanismus (40) mindestens eine Spule (41) zur Erzeugung eines Magnetfeldes umfasst, die auf dem Sockel (2) oder auf dem Gestell (12) derart montiert ist, dass in Schließbereitschaftsstellung des Gestells das durch die Spule erzeugte Magnetfeld auf einen Kreis (43) zum Schließen des Magnetfeldes wirkt, der auf dem Gestell beziehungsweise auf dem Sockel im Umfang des Sitzes zur Aufnahme (3) angeordnet ist
    und daß das Gestell (12) und der Sockel (2) eingerichtet sind, um Mittel zur Positionierung des Gestells (12) in Schließbereitschaftsstellung derart zu umfassen, dass mit dem Sockel (2) ein Spalt (E) festgelegt wird, um bei Erregung der Spule das Schließen des Magnetfeldes (43) durch den Kreis zu erlauben, um eine Anziehungskraft zu schaffen, die die Bewegung des Gestells (12) bis zur Stellung zum Verschließen des Behälters sichert.
  2. Gerät nach Anspruch 1, dadurch gekennzeichnet, daß der Bewegungsmechanismus (40) mindestens eine Spule (41) zur Erzeugung eines Magnetfeldes umfaßt, die auf dem Sockel (2) montiert ist, wobei sie mindestens teilweise den Sitz zur Aufnahme (3) und einen Kreis zum Schließen des Magnetfeldes (43), der auf dem bewegbaren Gestell (12) eingerichtet ist, umschließt.
  3. Gerät nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Bewegungsmechanismus (40) mindestens eine Spule zur Erzeugung eines Magnetfeldes (41) umfaßt, die die Gesamtheit des Umfangs des Sitzes (3) umschließt.
  4. Gerät nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Spule zur Erzeugung eines Magnetfeldes (41) mit einem Kreis zur Kanalisierung des Magnetfeldes (44) verknüpft ist, der sich in Schließbereitschaftsstellung in der Nähe des Kreises zum Schließen erstreckt.
  5. Gerät nach Anspruch 1, dadurch gekennzeichnet, daß die Mittel zur Positionierung des Gestells in Schließbereitschaftsstellung aus mindestens einem Anschlag (31) zum Beschränken der Annäherungsbewegung des Gestells (12) in Bezug auf den Sockel (2) bestehen.
  6. Gerät nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das bewegbare Gestell (12) und/oder der Sockel (2) Dichtungsmittel (52) umfassen, die den Sitz zur Aufnahme (3) in einer Schließbereitschaftsstellung abdichten.
  7. Gerät nach Anspruch 6, dadurch gekennzeichnet, daß es eine Vorrichtung zum Absaugen und gegebenenfalls zum Einspritzen eines mit dem Sitz zur Aufnahme (3) kommunizierenden Fluids umfaßt.
  8. Gerät nach den Ansprüchen 6 und 7, dadurch gekennzeichnet, daß es umfaßt:
    - Stützanschläge (53), die unter der Wirkung der Annäherung des bewegbaren Gestells (12) in Bezug auf den Sockel (2) elastisch verformbar sind, wobei sie es ermöglichen, eine Zwischenstellung zur Schließbereitschaft des Gestells einzugrenzen,
    - und eine Einheit zur Erregung der Spule zum Erzeugen eines Magnetfeldes (41), umfassend einerseits einen Modus zur schwachen Erregung der Spule, um die beschränkte Bewegung des bewegbaren Gestells zu sichern, um es in eine Zwischenstellung derart zu bringen, daß der Sitz zur Aufnahme (3) durch die Dichtungsmittel (52) abgedichtet wird, und anderseits einen normalen Erregungsmodus der Spule, um die nachfolgende Bewegung des Gestells (12) derart zu sichern, daß das Verschließen des Behälters (4) durch das Schließorgan sicher gestellt wird.
  9. Gerät nach Anspruch 1, dadurch gekennzeichnet, daß das System (18) zur Verbindung zwischen dem Gestell (12) und dem Sockel (2) aus Schwingarmen (19) besteht, wobei jeder auf einer Gelenkachse (21) befestigt ist, die mit der Möglichkeit einer vertikalen Bewegung montiert ist, die die Annäherung zwischen dem Gestell und dem Sockel erlaubt.
  10. Gerät nach Anspruch 9, dadurch gekennzeichnet, daß die Gelenkachsen (21) der Schwingarme (19) in vertikaler Verschiebung auf dem Sockel (2) geführt sind.
  11. Gerät nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß sie mindestens ein Mittel (59) zur Detektierung des bewegbaren Gestells (12) in Schließbereitschaftsstellung umfaßt, welches es ermöglicht, den Betrieb der Spule (41) zur Erzeugung eines Magnetfeldes zu steuern.
EP03739520A 2002-02-12 2003-02-11 Zur heissversiegelung verschiedener behälter verwendete maschine Expired - Lifetime EP1485294B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0201678 2002-02-12
FR0201678A FR2835806B1 (fr) 2002-02-12 2002-02-12 Machine pour la fermeture par thermoscellage de contenants divers
PCT/FR2003/000424 WO2003068601A1 (fr) 2002-02-12 2003-02-11 Machine pour la fermeture par thermoscellage de contenants divers

Publications (2)

Publication Number Publication Date
EP1485294A1 EP1485294A1 (de) 2004-12-15
EP1485294B1 true EP1485294B1 (de) 2006-08-02

Family

ID=27620104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03739520A Expired - Lifetime EP1485294B1 (de) 2002-02-12 2003-02-11 Zur heissversiegelung verschiedener behälter verwendete maschine

Country Status (7)

Country Link
EP (1) EP1485294B1 (de)
AT (1) ATE334879T1 (de)
AU (1) AU2003226873A1 (de)
DE (1) DE60307238T2 (de)
ES (1) ES2270056T3 (de)
FR (1) FR2835806B1 (de)
WO (1) WO2003068601A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT500725B1 (de) * 2004-03-05 2007-08-15 Kuchler Fritz Schweisseinrichtung
EP3584179B1 (de) * 2018-06-20 2020-07-22 A.L.X.-Metall, Verpackungstechnik, Dipl.-Ing. Alexander Josek GmbH Vorrichtung zum verschliessen eines behältnisses mittels einer bedeckelungsfolie

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1027587B (de) * 1956-06-05 1958-04-03 Fritz W Post Vorrichtung zum Verschliessen von thermoplastischen Kunststoffbeuteln od. dgl.
CH512360A (de) * 1970-02-26 1971-09-15 Heberlein & Co Ag Vorrichtung zum Verformen von Folien, insbesondere zum Verschliessen von mit Gegenständen gefüllten Behältern mittels Kunststoff-Folien
DE3210566A1 (de) * 1982-03-23 1983-10-06 Aldo Artusi Verfahren zum bewegen eines an einem traeger festgelegten koerpers
US4650535A (en) * 1985-08-13 1987-03-17 Creative Packaging Machinery, Inc. Apparatus for heat-sealing thermoplastic sheeting
GB2360733A (en) * 2000-03-03 2001-10-03 Stelram Engineering Ltd Container sealing method and apparatus

Also Published As

Publication number Publication date
ES2270056T3 (es) 2007-04-01
EP1485294A1 (de) 2004-12-15
AU2003226873A1 (en) 2003-09-04
DE60307238T2 (de) 2007-07-26
DE60307238D1 (de) 2006-09-14
ATE334879T1 (de) 2006-08-15
WO2003068601A1 (fr) 2003-08-21
FR2835806B1 (fr) 2004-11-19
FR2835806A1 (fr) 2003-08-15

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