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EP4108578B1 - Vorrichtung zur extraktion von gas aus dem oberen teil eines sackes, der ein pulverförmiges material enthält, maschine und entsprechendes verfahren - Google Patents

Vorrichtung zur extraktion von gas aus dem oberen teil eines sackes, der ein pulverförmiges material enthält, maschine und entsprechendes verfahren Download PDF

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Publication number
EP4108578B1
EP4108578B1 EP20720495.9A EP20720495A EP4108578B1 EP 4108578 B1 EP4108578 B1 EP 4108578B1 EP 20720495 A EP20720495 A EP 20720495A EP 4108578 B1 EP4108578 B1 EP 4108578B1
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EP
European Patent Office
Prior art keywords
clamps
bag
cannulas
opening
gas
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EP20720495.9A
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English (en)
French (fr)
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EP4108578A1 (de
EP4108578C0 (de
Inventor
Xavier Arderiu Cabau
Aleix BERGA ESTEVE
Juan José González Toledano
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Tecnicas Mecanicas Ilerdenses SL
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Tecnicas Mecanicas Ilerdenses SL
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Publication of EP4108578C0 publication Critical patent/EP4108578C0/de
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    • 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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/20—Reducing volume of filled material
    • B65B1/26—Reducing volume of filled material by pneumatic means, e.g. suction
    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/041—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles acting from above on containers or wrappers open at their top
    • B65B31/042—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles acting from above on containers or wrappers open at their top the nozzles being arranged for insertion into, and withdrawal from, the container or wrapper
    • 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
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
    • B65B31/046—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles co-operating, or being combined, with a device for opening or closing the container or wrapper
    • B65B31/048—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles co-operating, or being combined, with a device for opening or closing the container or wrapper specially adapted for wrappers or bags
    • 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
    • B65B55/24—Cleaning of, or removing dust from, containers, wrappers, or packaging ; Preventing of fouling

Definitions

  • the invention relates to a device for extracting gas from the upper part of a bag containing a powdered material.
  • the invention relates to a device a device comprising cannulas comprising gas driving means, said cannulas having a distal end and a proximal end, said gas driving means being provided at least at said distal end, said cannulas being movable along a first direction for being inserted into the opening of a bag, and along a second direction, perpendicular to said first direction between: a close cannula position, wherein said cannulas are close to one another, such that said cannulas can be introduced in the opening of said bag along said first direction, and a spaced cannula position, wherein said cannulas are spaced apart from one another such a distance that said bag can be held by said opening through said cannulas, and first clamps movable between: an open position of the first clamps, wherein said first clamps are spaced apart from one another, such that said opening of said bag is arranged between said first clamps, in the open state, and a closed
  • the invention relates to a machine for filling bags, and to a method for extracting gas from the upper area of a bag containing a powdered material.
  • DE19541975A1 discloses a method using clamping jaws to tension the upper edge of the excess of the bag walls. This excess projects above the filling level so that these walls can slide or collapse. The rolls of the clamping jaws, having been brought together, are lowered towards the filling level so that they roll up while not being driven. When they are driven, the circumferential velocity is greater than the lowering velocity, thus tensioning the bag walls.
  • US4221101A discloses an apparatus for heat-sealing the mouth of a bag supported on a conveyor includes a nozzle assembly for both spreading the mouth of the bag and evacuating the bag and a press assembly having confronting die units and resilient strip assemblies mounted to scissorable arms.
  • KR20120053385 discloses a nozzle moving apparatus for a nozzle-type vacuum packing device is provided to prevent generation of air traps at a thermal sealing surface of a vacuum packing bag by tightly pulling the opened lower part of the vacuum packing bag in packing, thereby maximizing a vacuum packing work.
  • the object of the invention is to provide a device of the type indicated above, having a more robust configuration and better operation for the purpose of extracting the air from bags.
  • the cannulas are two cannulas with a substantially rectangular or elongated cross-section, said cannulas being oriented such that the longest sides of said cannulas are arranged parallel to the longest sides of the bag.
  • the invention further includes a number of preferred features that are object of the dependent claims and the utility of which will be highlighted hereinafter in the detailed description of an embodiment of the invention.
  • said first clamps have a length greater than the separation between said cannulas when they are in said spaced cannula position. This allows extracting the air from the bag in a more uniform and controlled manner.
  • said device further comprises second clamps arranged between said proximal end of said cannulas and said first clamps, said second clamps being movable between: [i] an open position of the second clamps, wherein said second clamps are spaced apart from one another, such that said opening of said bag is arranged between said second clamps, in the open state, and [ii] a closed position of the second clamps, wherein said second clamps are close to one another, such that said opening of said bag is held between said second clamps.
  • the second clamps improve the hold on the opening of the bag.
  • said gas driving means of said cannulas further comprise gas blowing means, arranged for insufflating gas into said bag in the area of said opening when said first clamps are in said closed position of the first clamps.
  • gas blowing means arranged for insufflating gas into said bag in the area of said opening when said first clamps are in said closed position of the first clamps.
  • said gas driving means comprise gas suction means.
  • the gas suction means can be used to complement the gas extraction performed by the first clamps, thereby assuring that the most amount of gas possible is extracted.
  • said first direction of said cannulas is a vertical direction defined by the longitudinal axis of said cannulas, such that the step of extracting gas is more easily performed because the direction is parallel to the direction of gravity.
  • said device comprises at least one motor for operating said first clamps and further comprises torque sensing means functionally associated to said first clamps for detecting the end of travel of said first clamps, corresponding to said final extraction position.
  • the sensing means prevent the device from working under overload conditions, since when the first clamps exceed the setpoint value, the sensing means send instructions to the motor to stop the air extraction movement of the first clamps.
  • the invention also relates to a machine for filling bags which has the device according to the invention.
  • said machine is a form, fill, and seal machine.
  • the invention also relates to a method for extracting gas from the upper area of a bag containing a powdered material with a device according to the invention.
  • the method is characterized in that it comprises the following steps:
  • This method allows extracting most of the gas from said bag in a more efficient and robust manner while at the same time, it also compacts the suspended powdered material.
  • said cannulas are introduced in said opening of said bag without contacting the powdered material contained in said bag, thereby facilitating the first clamps extracting the air from the bag.
  • the method further comprises a step of moving second clamps, which are in said open position of the second clamps, to said closed position of the second clamps, such that said opening of said bag is held between said second clamps, and after extracting the gas from said bag, said second clamps return to their open position of the second clamps.
  • the use of the second clamps reinforces the hold on the opening of the bag.
  • the method comprises the step of insufflating a gas over the opening of said bag through said cannulas to thereby cleaning the opening of the bag before performing welding.
  • said gas that is insufflated over said opening of said bag is air. This provides for eliminating any powdered material residue from the opening of the bag for it to be clean, thereby facilitating the welding of the opening of the bag.
  • the invention also comprises other detail features illustrated in the detailed description of an embodiment of the invention and in the attached figures.
  • Figures 1 to 5 show an embodiment according to the invention of a device 1 for extracting gas, which is usually residual air, from the upper part of a bag 100 containing a powdered material.
  • the device 1 comprises cannulas 2 having a distal end 6 and a proximal end 8. At the distal end 6, the cannulas 2 have gas driving means 4 in turn comprising gas blowing means and gas suction means.
  • the gas driving means are indicated as gas outlet ports of the cannulas 2.
  • the operating and blowing means can be, for example, a reversible pneumatic cylinder, or the like.
  • the gas blowing means can be used for cleaning the opening 102 of the bag
  • the gas suction means can be used for suctioning air from the bag 100. It is important to point out that the gas driving means 4 described in the figures do not refer to devices that move the cannulas, but rather to the means which move the gas for the purpose of cleaning the opening 102 of the bag.
  • the cannulas 2 can be moved along a first vertical direction A, defined by the longitudinal axis C of the cannulas 2, and along a second direction B, perpendicular to the first direction A.
  • a range of devices such as an asynchronous motor, a servomotor, or a pneumatic cylinder are provided.
  • the cannulas 2 can be placed in a close cannula position and in a spaced cannula position.
  • the close cannula position the cannulas 2 are close to one another. Therefore, as depicted in Figure 1 , the cannulas can be introduced, at the distal end 6 and along the first direction A, in the opening 102 of the bag 100.
  • the cannulas 2 are spaced apart from one another such a distance that it allows the bag 100 to be held by the opening 102 through the cannulas 2. To that end, the cannulas grip the bag 100 on the inside and retain it by pulling it tight between the outer sides 14 of the cannulas 2.
  • the device 1 furthermore has first clamps 10 suitable for extracting the air from the bag 100 which, in fact, are the part extracting most of the air. As can be seen in Figure 1 , these first clamps 10 have a length greater than the separation existing between the cannulas 2 when the latter are in the spaced cannula position.
  • the first clamps 10 can be moved between an open position and a closed position.
  • the opening 102 of the bag 100 is arranged between the first clamps 10, in the open state.
  • the closed position the opening 102 of the bag 100 is pressed by the first clamps 10 in a non-tight manner. Therefore, despite the fact that the first clamps 10 press the bag 100, the air in the bag 100 can get out thereof. This is important because for extracting the air from the bag 100, the first clamps 10 can be moved along the first direction A, in the direction going from the proximal end 8 toward the distal end 6.
  • the first clamps 10 can be placed between an initial air extraction position, wherein the first clamps 10 are placed below the distal end 6 of the cannulas 2 and spaced from the powdered material of the bag, and a final air extraction position, wherein the first clamps 10 are close to the powdered material of the bag. For this reason, if the first clamps 10 tightly pressed the entire opening 102 of the bag 100, the air in the bag 100 could not be extracted therefrom.
  • the device 1 also has torque sensing means linked to a motor 18 operating the first clamps 10. Therefore, when the torque sensing means detect the end of travel of the first clamps 10, corresponding to the final extraction position, they send a signal to the motor 18 to stop moving the first clamps 10.
  • the device 1 comprises second clamps 12, which are arranged between the proximal end 8 of the cannulas 2 and the first clamps 10.
  • the second clamps 12 can be moved between an open position, wherein the opening 102 of the bag 100 is arranged between the second clamps 12, in the open state, and a closed position, wherein the opening 102 of the bag is held by the second clamps 12, such that they can exert can pressure on the bag 100 to thereby hold it.
  • the second clamps 12 allow holding the bag 100 while at the same time they allow air in the bag 100 to get out.
  • Figure 6 shows the steps of the method in a side view, while the right side shows the corresponding front view of this same step.
  • the first clamps 10 and the second clamps 12 are in their open position, and the cannulas 2 are spaced from the bag 100, such that a bag 100 can be placed in the station.
  • the method starts by placing the cannulas 2 in their close cannula position and introducing them in the opening 102 of the bag 100 at their distal end 6.
  • the cannulas 2 are moved to their spaced cannula position to hold the bag 100, and the second clamps 12, which also help to hold the opening 102 of the bag, are closed.
  • the first clamps 10 are closed, pressing the bag 100, and are moved, as shown in Figure 6D , in the direction defined by the longitudinal axis C of the cannulas 2, in the direction going from the proximal end 8 of the cannulas 2 toward the distal end 6 of the cannulas 2, thereby successfully extracting the air from the bag 100.
  • the first clamps 10 press the bag 100 such that the air in the bag 100 can get out through the opening 102 thereof.
  • the gas driving means 4 can suction the air from the bag 100 before, during, or after the first clamps 100 have extracted the air from the bag 100.
  • the first clamps 10 are opened. Then the cannulas 2 are moved toward the proximal end 8, i.e., upwards, and the first clamps 10 are closed below the cannulas 2. Once the first clamps 10 have been closed, the gas blowing means insufflate a gas over the opening 102 of the bag, thereby eliminating any powdered material residues there may be.
  • the gas used is preferably dry air, but inert gases with a low percentage of moisture and having protective properties with respect to the product in the bag can be used.
  • first clamps 10, the cannulas 2, and the second clamps 12 return to their initial state to begin the process again.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Vacuum Packaging (AREA)
  • Basic Packing Technique (AREA)

Claims (15)

  1. Eine Vorrichtung (1) zum Extrahieren von Gas aus dem oberen Teil eines Sacks (100), welcher ein pulverförmiges Material enthält, wobei die Vorrichtung aufweist:
    [a] Kanülen (2), welche Gasantriebsmittel (4) aufweisen, wobei die Kanülen (2) ein distales Ende (6) und ein proximales Ende (8) aufweisen, wobei die Gasantriebsmittel (4) zumindest an dem distalen Ende (6) vorgesehen sind, wobei die Kanülen (2) entlang einer ersten Richtung (A) beweglich sind, um in die Öffnung (102) eines Sacks (100) eingeführt zu werden, sowie entlang einer zweiten Richtung (B), welche rechtwinklig zu der ersten Richtung (A) ist, und zwar zwischen:
    [i] einer nahen Kanülenposition, in welcher die Kanülen (2) nahe beieinander sind, so dass die Kanülen (2) entlang der ersten Richtung (A) in die Öffnung (102) des Sacks (100) eingeführt werden können, und
    [ii] einer beabstandeten Kanülenposition, in welcher die Kanülen (2) um eine solche Distanz voneinander beabstandet sind, dass der Sack (100) durch die Kanülen (2) an der Öffnung (102) gehalten werden kann, und
    [b] erste Klammern (10), welche beweglich sind zwischen:
    [i] einer offenen Position der ersten Klammern (10), wobei die ersten Klammern (10) voneinander beabstandet sind, so dass die Öffnung des Sacks im geöffneten Zustand zwischen den ersten Klammern (10) angeordnet ist, und
    [ii] einer geschlossenen Position der ersten Klammern (10), wobei die ersten Klammern (10) nahe beieinander sind, so dass die Öffnung (102) des Sacks zwischen die ersten Klammern (10) gepresst wird,
    dadurch gekennzeichnet, dass die Kanülen (2) in der beabstandeten Kanülenposition sind und die ersten Klammern (10) in der geschlossenen Position der ersten Klammern sind, wobei die ersten Klammern (10) entlang der ersten Richtung (A) beweglich sind und zwar von dem proximalen Endes (8) in Richtung des distalen Endes (6), wobei sich die Klammern von dem proximalen Ende (8) wegbewegen und zwar zwischen:
    [i] einer anfänglichen Extrahierungsposition,
    [ii] einer finalen Extrahierungsposition zum Extrahieren von Gas aus dem Sack (100).
  2. Die Vorrichtung (1) gemäss Anspruch 1, dadurch gekennzeichnet, dass die ersten Klammern (10) eine Länge aufweisen, welche grösser ist als die Beabstandung der Kanülen (2) wenn sie in der beabstandeten Kanülenposition sind.
  3. Die Vorrichtung (1) gemäss einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass sie weiterhin zweite Klammern (12) aufweist, welche zwischen dem proximalen Ende (8) der Kanülen (2) und den ersten Klammern (10) angeordnet sind, wobei die zweiten Klammern (12) beweglich sind zwischen:
    [i] einer offenen Position der zweiten Klammern, wobei die zweiten Klammern (12) voneinander beabstandet sind, so dass die Öffnung (102) des Sacks im geöffneten Zustand zwischen den zweiten Klammern (12) angeordnet ist, und
    [ii] einer geschlossenen Position der zweiten Klammern, wobei die zweiten Klammern (12) nahe beieinander sind, so dass die Öffnung (102) des Sacks zwischen den zweiten Klammern (12) gehalten wird.
  4. Die Vorrichtung (1) gemäss einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Gasantriebsmittel (4) der Kanülen (2) weiterhin Gaseinblasemittel aufweisen, welche zum Insufflieren von Gas in den Sack (100) im Bereich der Öffnung (102) ausgestaltet sind, wenn sich die ersten Klammern (10) in der geschlossenen Position der ersten Klammern befinden.
  5. Vorrichtung (1) gemäss einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Gasantriebsmittel (4) Gasabsaugungsmittel aufweisen.
  6. Vorrichtung (1) gemäss einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die erste Richtung (A) der Kanülen (2) eine vertikale Richtung ist, welche von der Längsachse (C) der Kanülen (2) definiert wird.
  7. Vorrichtung (1) gemäss einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass diese zumindest einen Motor (18) zum Betätigen der ersten Klammern (10) aufweist und weiterhin Drehmomenterfassungsmittel aufweist, welche funktionell mit den ersten Klammern (10) zusammengehören, um das Ende des Arbeitswegs der ersten Klammern (10) zu detektieren, welches der finalen Extrahierungsposition entspricht.
  8. Eine Maschine zum Befüllen von Säcken, dadurch gekennzeichnet, dass diese eine Vorrichtung (1) gemäss einem der Ansprüche 1 bis 7 aufweist.
  9. Die Maschine gemäss Anspruch 8, dadurch gekennzeichnet, dass diese eine Form-, Füll- und Siegelmaschine ist.
  10. Ein Verfahren zum Extrahieren von Gas aus einem oberen Bereich eines Sacks (100), welcher ein pulverförmiges Material enthält, mit einer Vorrichtung (1) gemäss einem der vorhergehenden Ansprüche dadurch gekennzeichnet, dass es die folgenden Schritte umfasst:
    [a] Platzieren der Kanülen (2) welche Gasantriebsmittel (4) aufweisen in der nahen Kanülenposition, wobei die Kanülen (2) nahe beieinander sind,
    [b] Einführen der Kanülen (2) in die Öffnung (102) des Sacks, und dann
    [c] Bewegen der Kanülen (2) in die beabstandete Kanülenposition, wobei die Kanülen (2) um eine Distanz voneinander beabstandet sind die es dem Sack (100) ermöglicht durch die Kanülen (2) an der Öffnung (102) gehalten zu werden,
    [d] Bewegen der ersten Klammern (10), welche in der offenen Position der ersten Klammern sind, in die geschlossene Position der ersten Klammern, so dass die Öffnung (102) des Sacks entlang der gesamten Breite der Öffnung (102) zwischen die ersten Klammern (10) gepresst wird,
    [e] Bewegen der ersten Klammern (10) in der Längsrichtung der Kanülen (2) und zwar vom proximalen Ende (8) in Richtung des distalen Endes (6), wobei sich die Klammern von dem distalen Ende (6) wegbewegen und zwar zwischen
    [i] einer anfänglichen Extrahierungsposition,
    [ii] der finalen Extrahierungsposition zum Extrahieren von Gas aus dem Sack (100),
    [f] Bewegen der Kanülen (2) in die nahe Kanülenposition und
    [g] Herausziehen der Kanülen (2) aus der Öffnung (102) des Sacks.
  11. Das Verfahren gemäss Anspruch 10, dadurch gekennzeichnet, dass die Kanülen (2) in die Öffnung (102) des Beutels (100) eingeführt werden, ohne das in dem Beutel (100) enthaltene pulverförmige Material zu berühren.
  12. Das Verfahren gemäss Anspruch 10 oder 11, dadurch gekennzeichnet, dass wenn das Drehmomenterfassungsmittel ein Drehmoment detektiert welches grösser ist als der Sollwert, die ersten Klammern (10) die finale Extrahierungsposition erreicht haben.
  13. Das Verfahren gemäss einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass nach dem Schritt des Bewegens der Kanülen (2) in die beabstandete Kanülenposition, das Verfahren eine weiteren Schritt des Bewegens der zweiten Klammern (12), welche in der offenen Position der zweiten Klammern sind, in die geschlossene Position der zweiten Klammern aufweist, so dass die Öffnung (102) des Sacks zwischen den zweiten Klammern (12) gehalten wird, und dadurch, dass nach dem Extrahieren des Gases aus dem Sack (100) die zweiten Klammern (12) in die offene Position der zweiten Klammern zurückkehren.
  14. Das Verfahren gemäss einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass nach dem Schritt des Extrahierens von Gas und während die ersten Klammern (10) in der finalen Extrahierungsposition sind, das Verfahren den Schritt des Insufflierens von Gas über die Öffnung (102) des Sacks (100) durch die Kanülen (2) aufweist.
  15. Das Verfahren gemäss Anspruch 14, dadurch gekennzeichnet, dass das Gas, welches über die Öffnung (102) des Sacks (100) insuffliert wird, Luft ist.
EP20720495.9A 2020-02-17 2020-02-17 Vorrichtung zur extraktion von gas aus dem oberen teil eines sackes, der ein pulverförmiges material enthält, maschine und entsprechendes verfahren Active EP4108578B1 (de)

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PCT/ES2020/070108 WO2021165550A1 (es) 2020-02-17 2020-02-17 Dispositivo para extraer gas de la parte superior de un saco que contiene un material pulverulento, máquina y procedimiento correspondiente

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EP4108578A1 EP4108578A1 (de) 2022-12-28
EP4108578C0 EP4108578C0 (de) 2024-05-22
EP4108578B1 true EP4108578B1 (de) 2024-05-22

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2103520B1 (de) * 2008-03-17 2011-08-17 Haver & Boecker oHG Behandlungseinrichtung und Verfahren zum Behandeln eines mit einem Schüttgut gefüllten offenen Sacks

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221101A (en) * 1979-02-12 1980-09-09 Fmc Corporation Apparatus for evacuating and sealing bags
DE19541975A1 (de) * 1995-11-10 1997-05-15 Haver & Boecker Verfahren und Vorrichtung zum Formen und Entlüften von offenen Säcken nach dem Füllvorgang
KR101283395B1 (ko) * 2010-06-09 2013-07-08 대상 주식회사 장류 포장용기의 진공 포장장치 및 포장방법
KR20120053385A (ko) * 2010-11-17 2012-05-25 정윤택 노즐식 진공포장기의 노즐 좌우 이동장치

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2103520B1 (de) * 2008-03-17 2011-08-17 Haver & Boecker oHG Behandlungseinrichtung und Verfahren zum Behandeln eines mit einem Schüttgut gefüllten offenen Sacks

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Publication number Publication date
EP4108578A1 (de) 2022-12-28
EP4108578C0 (de) 2024-05-22
ES2988277T3 (es) 2024-11-19
WO2021165550A1 (es) 2021-08-26

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