EP3795518B1 - Device for receiving and holding a film roll, especially a deep-drawing film roll and packaging machine for packing packaging goods in film packages - Google Patents

Device for receiving and holding a film roll, especially a deep-drawing film roll and packaging machine for packing packaging goods in film packages Download PDF

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Publication number
EP3795518B1
EP3795518B1 EP19199034.0A EP19199034A EP3795518B1 EP 3795518 B1 EP3795518 B1 EP 3795518B1 EP 19199034 A EP19199034 A EP 19199034A EP 3795518 B1 EP3795518 B1 EP 3795518B1
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EP
European Patent Office
Prior art keywords
packaging machine
roll
sheet element
film
pivot
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.)
Active
Application number
EP19199034.0A
Other languages
German (de)
French (fr)
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EP3795518A1 (en
Inventor
Jörg von Seggern
Klaus von Seggern
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.)
Joerg von Seggern Maschinenbau GmbH
Original Assignee
Joerg von Seggern Maschinenbau GmbH
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
Priority to DK19199034.0T priority Critical patent/DK3795518T3/en
Priority to ES19199034T priority patent/ES2942652T3/en
Priority to EP19199034.0A priority patent/EP3795518B1/en
Priority to PT191990340T priority patent/PT3795518T/en
Priority to PL19199034.0T priority patent/PL3795518T3/en
Application filed by Joerg von Seggern Maschinenbau GmbH filed Critical Joerg von Seggern Maschinenbau GmbH
Priority to US17/029,660 priority patent/US11560281B2/en
Priority to JP2020158773A priority patent/JP7551422B2/en
Publication of EP3795518A1 publication Critical patent/EP3795518A1/en
Application granted granted Critical
Publication of EP3795518B1 publication Critical patent/EP3795518B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/123—Lifting, transporting, or inserting the web roll; Removing empty core with cantilever supporting arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/02—Supporting web roll
    • B65H16/04—Supporting web roll cantilever type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/325—Orientation of handled material of roll of material
    • B65H2301/3251—Orientation of handled material of roll of material vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/36—Positioning; Changing position
    • B65H2301/364—Positioning; Changing position of material in roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4132—Cantilever arrangement
    • B65H2301/41322—Cantilever arrangement pivoting movement of roll support
    • B65H2301/413226—Cantilever arrangement pivoting movement of roll support around an axis perpendicular to roll axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/81—Packaging machines

Definitions

  • the invention relates to a device for receiving and holding ready a roll of planar elements, in particular a roll of thermoforming film, for processing it in a packaging machine by unrolling the planar element and inserting the planar element into the packaging machine, comprising a device to be introduced into the roll of planar elements on its axis of rotational symmetry.
  • a device for receiving and holding ready a roll of planar elements in particular a roll of thermoforming film, for processing it in a packaging machine by unrolling the planar element and inserting the planar element into the packaging machine, comprising a device to be introduced into the roll of planar elements on its axis of rotational symmetry.
  • Foodstuffs or also inorganic products are regularly offered to consumers in small-scale packaging. These small-scale packages are often made up of planar elements, and there may be a base film on which food or other packaged goods are placed. A further surface element is then applied to the base film, for example a film is sealed on, in order to form a liquid-tight and gas-tight packaging.
  • Surface elements used can be foils or paper webs, for example.
  • the surface elements used for the packaging are processed in packaging machines.
  • the surface elements are supplied in the form of surface element rolls.
  • a roll of a surface element for a base film, for example, can have a greater thickness, and a correspondingly rolled-up surface element has a corresponding volume.
  • Such surface element rolls are already referred to as jumbo rolls.
  • a base film for packaging that is produced with a packaging machine is usually a thermoforming film.
  • This film is deep-drawn in the packaging machine so that individual indentations form Train the intake of food or other objects. This film must therefore be introduced into the packaging machine at the start of processing.
  • Packaging machines regularly have an elongated design, which can certainly have an extension of 10 or more meters. In some packaging machines, the feeding of a thermoforming film and the feeding of the packaging goods to be filled into the packaging take place via one and the same input side of a packaging machine. The supply of the deep-drawing film is thus impeded, and it is particularly difficult to introduce a new roll of surface elements.
  • the unrolling of a film and the introduction of the film into the packaging machine then often takes place with the film in a horizontal orientation.
  • the film is exposed to contamination from the air in the room. If the packaged goods are fed in above the film, the surface element may be soiled by the product.
  • contamination of the film can occur as a result of cleaning processes and the cleaning agents used. This leads to contamination of the packaging to be produced, and it can also make it difficult to seal another film onto the thermoforming film, for example. Leaky packaging can be the result.
  • the surface element roll in particular the thermoforming film roll
  • the surface element roll is arranged in a horizontal orientation next to the packaging machine
  • the planar element is then reinserted into the packaging machine in a horizontal direction with a few deflections.
  • the horizontal arrangement of the surface element means that the surface element must again be guided in a horizontal direction. Contamination from the room air is also disadvantageous.
  • the width of the horizontal extension of the surface element means that it is introduced into the packaging machine from the outside and the packaging machine has to be extended by the width of the surface element. This results in a larger space requirement.
  • the invention is based on the object of demonstrating a device of the type mentioned at the outset, with which a more compact design of the packaging machine is made possible and with which a surface element can be introduced into the packaging machine with less contamination. Furthermore, a new packaging machine will also be shown.
  • This object is achieved according to the invention with regard to the device for receiving and holding a roll of planar elements in that the axis for the roll of planar elements is accommodated in a swivel mount and is held in an approximately vertical orientation for the rolling of the planar element with the swivel mount.
  • the device according to the invention also has an axis for receiving the surface element roll. It is introduced into the rotational symmetry axis of the surface element roll to be supplied, so that the surface element roll can be unrolled with the aid of the axis.
  • the axis is introduced while the axis is accommodated in a swivel mount. So the axis is not free and can be handled manually, it is accommodated in the swivel mount and the roll of surface elements is to this extent brought up to the axis. If the surface element roll is mounted on the axle, then this axle can be held in a vertical alignment with the surface element according to the invention. The surface element is unrolled from the surface element roller in a vertical orientation.
  • the surface element Due to this vertical orientation of the surface element, it offers falling contamination and dirt only a small contact surface.
  • the surface element can then be deflected; for this purpose, the device can have deflection units with rollers running at a 45° angle.
  • the supply of the surface element is compact, since it does not have to be converted into a horizontal orientation at any point in its supply.
  • the device according to the invention which can be assigned to a packaging machine, compact feeding of a planar element, in particular a thermoforming film, into a packaging machine is possible.
  • the axis with the pivoting device can be converted into an approximately horizontal alignment of the axis.
  • the swivel mount thus enables the axis for the surface element roller to be swiveled from the vertical orientation of the axis to a horizontal orientation of the axis and vice versa.
  • a suitable swivel drive is assigned to the swivel mount.
  • the roll of sheet may be removed from the axle in the horizontal direction and a new roll of sheet may be fitted to the axle in the horizontal orientation thereof.
  • a further development of the invention provides that the swivel mount holds a arbor that is to be inserted into the surface element roll Axis forms.
  • the axis for the roll of surface elements is formed by a plug-on mandrel onto which the roll of surface elements can be plugged. If the arbor with the swivel mount is then pivoted into a vertical orientation of the arbor, the surface element roll rests with a vertical axis on the swivel mount and loads the arbor and the swivel mount with its mass. This results in a positionally secure arrangement of the surface element roll.
  • a rotary drive is preferably assigned to the arbor, which supports the unrolling of the surface element from the surface element roll.
  • the swivel mount is accommodated in a support frame so that it can be adjusted in height.
  • the height of the pivoting receptacle can therefore be adjusted so that it is brought into a lowered state, for example, for receiving a new roll of surface element.
  • a new surface element roll is approached to the swivel mount, for example with a forklift or a pallet truck, and placed on the arbor, which is then aligned horizontally.
  • the swivel mount can be swiveled, the surface element roll that is taken up is also swiveled.
  • the surface element roller can then be optimally adjusted in height, so that the surface element to be unrolled is fed in the correct position.
  • Changing the height can also ensure that the planar element is inserted in the correct position over the entire film feed. If the planar element noticeably deviates from the intended path, a correction can be made by lowering or raising the arrangement of the planar element roller in the swivel mount.
  • the swivel mount has a base plate in which the arbor is embedded and which is articulated via brackets arranged at opposite ends in swivel joints.
  • the pivoting forces required can be introduced into the pivoting receptacle via the pivoting joints.
  • the swivel mount can also be assigned fixing points for defined swivel positions of the swivel mount, for example for vertical adjustment of the arbor for unrolling the surface element or for horizontal alignment of the arbor for changing the surface element roll to be processed.
  • the device according to the invention can be retrofitted for existing packaging machines. On the other hand, it is possible to immediately equip a packaging machine with such a device.
  • a packaging machine of the aforementioned type for which independent protection is claimed, it can therefore be provided that it is equipped with at least one device for receiving and holding a roll of planar element of the type described above.
  • This equipment advantageously allows the device for picking up and keeping ready the roll of planar elements to be integrated into the packaging machine. This results in a further gain in space.
  • Suitable drive means of the packaging machine can be used for pivoting the planar element roll, in particular electric, hydraulic or pneumatic drive means.
  • the packaging machine has a Thermoforming packaging machine is and that a thermoformable surface element is provided with the device described above.
  • the packaging machine 1 shown is elongated and has processing stations that differ from one another.
  • a deep-drawing station 2 for forming deep-drawings is provided, as well as a feed device for objects to be packaged, which is arranged at approximately the same place.
  • the basis for the packaging to be produced is a surface element 5, a thermoformable film 5.
  • Indentations 6 are introduced into this by thermoforming.
  • the recesses 6 form accommodation spaces for food, inorganic products or other packaging items.
  • planar element 5 is removed from a planar element roller 7 , the planar element 5 being unrolled from the planar element roller 7 , as shown by the arrow 8 .
  • the planar element 5 is then fed via deflection units along the arrows 8' and 8'' into the packaging machine 1.
  • the device 9 for receiving and Keeping the surface element roll 7 ready is shown in the figures below.
  • FIG 2 shows that the device 9 has a support frame 20 which is attached to the packaging machine 1 and stands up on feet 10 on the floor.
  • a swivel mount 11 is arranged in the support frame 20 .
  • This swivel mount 11 carries a spigot 12.
  • the swivel mount 11 has a base plate 13 which is pivotally received in swivel joints 15 via two tabs 14. dem in figure 2
  • a hand lever 16 for pivoting the pivot mount 11 is assigned to the right pivot joint.
  • the surface element roll 7 is still arranged on a pallet 19 . It is spent along arrow 8 ′′′ in the direction of the device 9 and fitted with its cavity 17 on the arbor 12.
  • FIG. 3 This plugged-in state is in figure 3 shown.
  • the swivel mount 11 is accommodated in the support frame 20 so that it can be adjusted in height, so that after the planar element roll 7 has been attached, the swivel mount 11 is guided upwards, as illustrated by arrow 18 .
  • the pallet 19 can now be removed, arrow 18'.
  • figure 5 finally shows the situation in which the surface element 5 is unrolled from the surface element roller 7, as in FIG figure 1 shown.
  • dem in figure 5 A rotary drive can be assigned to the arbor 12, which cannot be seen, to support the rotation of the surface element roller 7 along arrow 8, especially with thin surface elements 5.
  • figure 5 shows once again the indentations 6 made in the deep-drawing device 2 in the deep-drawable surface element 5.

Landscapes

  • Basic Packing Technique (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Replacement Of Web Rolls (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Aufnehmen und Bereithalten einer Flächenelementsrolle, insbesondere einer Tiefziehfolienrolle, für deren Verarbeitung in einer Verpackungsmaschine durch Abrollen des Flächenelementes und Einführen des Flächenelementes in die Verpackungsmaschine, umfassend eine in die Flächenelementsrolle auf deren Rotationssymmetrieachse einzubringende Derartige Vorrichtungen sind z. B. aus den Dokumenten EP 1 256 538 A1 , EP 2 982 628 A1 und GB 2 405 137 A bekannt Die Erfindung betrifft des Weiteren eine Verpackungsmaschine für das Verpacken von Verpackungsgütern in Flächenelementsverpackungen.The invention relates to a device for receiving and holding ready a roll of planar elements, in particular a roll of thermoforming film, for processing it in a packaging machine by unrolling the planar element and inserting the planar element into the packaging machine, comprising a device to be introduced into the roll of planar elements on its axis of rotational symmetry. B. from the documents EP 1 256 538 A1 , EP 2 982 628 A1 and GB 2 405 137A known The invention also relates to a packaging machine for packaging goods to be packaged in planar element packaging.

Lebensmittel oder auch anorganische Produkte werden regelmäßig in kleinteiligen Verpackungen den Konsumenten angeboten. Diese kleinteiligen Verpackungen sind häufig aus Flächenelemente ausgebildet, dabei kann eine Basisfolie vorhanden sein, auf die Lebensmittel oder andere Verpackungsgüter aufgelegt werden. Auf die Basisfolie wird anschließend ein weiteres Flächenelement aufgebracht, beispielsweise eine Folie aufgesiegelt, um insoweit eine flüssigkeits- und gasdichte Verpackung auszubilden. Verwendete Flächenelemente können beispielsweise Folien oder Papierbahnen sein.Foodstuffs or also inorganic products are regularly offered to consumers in small-scale packaging. These small-scale packages are often made up of planar elements, and there may be a base film on which food or other packaged goods are placed. A further surface element is then applied to the base film, for example a film is sealed on, in order to form a liquid-tight and gas-tight packaging. Surface elements used can be foils or paper webs, for example.

Die für die Verpackungen verwendeten Flächenelemente werden in Verpackungsmaschinen verarbeitet. Die Flächenelemente werden dazu in der Form von Flächenelementsrollen zugeführt. Gerade eine Flächenelementsrolle für eine zum Beispiel Basisfolie kann dabei eine größere Stärke aufweisen, ein entsprechend aufgerolltes Flächenelement hat ein entsprechendes Volumen. Derartige Flächenelementsrollen werden schon als Jumborollen bezeichnet.The surface elements used for the packaging are processed in packaging machines. For this purpose, the surface elements are supplied in the form of surface element rolls. A roll of a surface element for a base film, for example, can have a greater thickness, and a correspondingly rolled-up surface element has a corresponding volume. Such surface element rolls are already referred to as jumbo rolls.

Eine Basisfolie für Verpackungen, die mit einer Verpackungsmaschine hergestellt wird, ist in der Regel eine Tiefziehfolie. Diese Folie wird in der Verpackungsmaschine tiefgezogen, so dass sich einzelne Vertiefungen zur Aufnahme von Lebensmitteln oder anderen Gegenständen ausbilden. Diese Folie ist also am Beginn der Verarbeitung in die Verpackungsmaschine einzuführen. Verpackungsmaschinen haben regelmäßig eine längserstreckte Bauform, die durchaus eine Ausdehnung von 10 oder mehr Metern aufweisen können. Dabei findet bei einigen Verpackungsmaschinen das Zuführen einer Tiefziehfolie sowie das Zuführen der in die Verpackungen einzufüllenden Verpackungsgüter über ein und dieselbe Eingangsseite einer Verpackungsmaschine statt. Die Zuführung der Tiefziehfolie ist dadurch behindert, insbesondere das Heranführen einer neuen Flächenelementsrolle ist schwierig. Bei diesem Heranführen der neuen Flächenelementsrolle wird im Stand der Technik zum Teil noch manuell vorgegangen, in dem eine leere Flächenelementsrolle aus der Verpackungsmaschine herausgenommen wird und eine neue Flächenelementsrolle hinzugeführt wird. In die Flächenelementsrolle ist dazu eine Achse einzubringen. Dieses Einführen der Achse ist aufgrund eines hohen Gewichtes der Achse schwierig.A base film for packaging that is produced with a packaging machine is usually a thermoforming film. This film is deep-drawn in the packaging machine so that individual indentations form Train the intake of food or other objects. This film must therefore be introduced into the packaging machine at the start of processing. Packaging machines regularly have an elongated design, which can certainly have an extension of 10 or more meters. In some packaging machines, the feeding of a thermoforming film and the feeding of the packaging goods to be filled into the packaging take place via one and the same input side of a packaging machine. The supply of the deep-drawing film is thus impeded, and it is particularly difficult to introduce a new roll of surface elements. In the prior art, this approach of the new roll of planar element is still partly carried out manually, in that an empty roll of planar element is removed from the packaging machine and a new roll of planar element is fed in. For this purpose, an axis must be introduced into the surface element roll. This insertion of the axle is difficult due to the high weight of the axle.

Das Abrollen einer Folie und Einführen der Folie in die Verpackungsmaschine erfolgt dann häufig in horizontaler Ausrichtung der Folie. Die Folie ist Kontaminationen der Raumluft ausgesetzt, wird oberhalb der Folie noch das Verpackungsgut zugeführt, kann es unter Umständen zu Verschmutzungen des Flächenelementes durch das Produkt kommen. Zudem kann auch eine Verschmutzung der Folie durch Reinigungsprozesse und dabei eingesetzte Reinigungsmittel eintreten. Das führt zu Verunreinigungen bei herzustellenden Verpackungen, sie können auch das Aufsiegeln einer weiteren Folie auf die zum Beispiel Tiefziehfolie erschweren. Undichte Verpackungen können die Folge sein.The unrolling of a film and the introduction of the film into the packaging machine then often takes place with the film in a horizontal orientation. The film is exposed to contamination from the air in the room. If the packaged goods are fed in above the film, the surface element may be soiled by the product. In addition, contamination of the film can occur as a result of cleaning processes and the cleaning agents used. This leads to contamination of the packaging to be produced, and it can also make it difficult to seal another film onto the thermoforming film, for example. Leaky packaging can be the result.

Daher ist bereits vorgeschlagen worden, die Flächenelementsrolle, insbesondere die Tiefziehfolienrolle aus der Flucht der Verpackungsmaschine herauszunehmen und neben der Verpackungsmaschine anzuordnen. Bei diesen bekannten Vorrichtungen wird die Flächenelementsrolle in horizontaler Ausrichtung neben der Verpackungsmaschine angeordnet, das Flächenelement wird dann wieder in horizontaler Erstreckung unter einigen Umlenkungen in die Verpackungsmaschine eingeführt.Therefore, it has already been proposed to remove the surface element roll, in particular the thermoforming film roll, from the alignment of the packaging machine and to arrange it next to the packaging machine. In these known devices, the surface element roll is arranged in a horizontal orientation next to the packaging machine The planar element is then reinserted into the packaging machine in a horizontal direction with a few deflections.

Zwar ist das Flächenelement, insbesondere die Tiefziehfolie, hier aus dem Einführungsbereich der zu verpackenden Gegenstände herausgeführt worden, allerdings ist aufgrund der horizontalen Anordnung des Flächenelementes wieder eine Führung des Flächenelementes in horizontaler Erstreckung erforderlich. Eine Kontamination aus der Raumluft ist weiter nachteilig gegeben. Hinzu kommt, dass durch die horizontale Erstreckung des Flächenelementes in seiner Breite von außen in die Verpackungsmaschine eingeführt wird und die Verpackungsmaschine insofern um die Breite des Flächenelementes zu verlängern ist. Dadurch ergibt sich also ein größerer Raumbedarf.Although the surface element, in particular the thermoforming film, has been guided out of the insertion area of the objects to be packaged, the horizontal arrangement of the surface element means that the surface element must again be guided in a horizontal direction. Contamination from the room air is also disadvantageous. In addition, the width of the horizontal extension of the surface element means that it is introduced into the packaging machine from the outside and the packaging machine has to be extended by the width of the surface element. This results in a larger space requirement.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangsgenannten Gattung aufzuzeigen, mit der eine kompaktere Bauform der Verpackungsmaschine ermöglicht ist und mit der ein Flächenelement kontaminiationsärmer in die Verpackungsmaschine einzuführen ist. Weiterhin soll auch eine neue Verpackungsmaschine aufgezeigt werden.The invention is based on the object of demonstrating a device of the type mentioned at the outset, with which a more compact design of the packaging machine is made possible and with which a surface element can be introduced into the packaging machine with less contamination. Furthermore, a new packaging machine will also be shown.

Diese Aufgabe ist hinsichtlich der Vorrichtung zum Aufnehmen und Bereithalten einer Flächenelementsrolle dadurch erfindungsgemäß gelöst, dass die Achse für die Flächenelementsrolle in einer Schwenkaufnahme aufgenommen ist und für das Abrollen des Flächenelementes mit der Schwenkaufnahme in einer etwa vertikalen Ausrichtung gehalten ist.This object is achieved according to the invention with regard to the device for receiving and holding a roll of planar elements in that the axis for the roll of planar elements is accommodated in a swivel mount and is held in an approximately vertical orientation for the rolling of the planar element with the swivel mount.

Auch die erfindungsgemäße Vorrichtung hat eine Achse zum Aufnehmen der Flächenelementsrolle. Sie wird in die Rotationssymmetrieachse der zuzuführenden Flächenelementsrolle eingebracht, damit die Flächenelementsrolle mit Hilfe der Achse abgerollt werden kann. Das Einbringen der Achse erfolgt bei der erfindungsgemäßen Vorrichtung während die Achse in einer Schwenkaufnahme aufgenommen ist. Die Achse ist also nicht frei und händisch handhabbar, sie ist in der Schwenkaufnahme aufgenommen und die Flächenelementsrolle ist insoweit an die Achse heranzuführen. Wenn die Flächenelementsrolle auf der Achse aufgebracht ist, dann kann diese Achse mit dem Flächenelement erfindungsgemäß in einer vertikalen Ausrichtung gehalten sein. Das Flächenelement wird von der Flächenelementsrolle in vertikaler Ausrichtung abgerollt, aufgrund dieser vertikalen Ausrichtung des Flächenelementes bietet es herabfallenden Kontaminationen und Verschmutzungen nur eine kleine Auflagefläche an. Das Flächenelement kann anschließend umgelenkt werden, dazu kann die Vorrichtung Umlenkeinheiten mit im 45°-Winkel verlaufenden Rollen aufweisen. Das Zuführen des Flächenelementes erfolgt kompakt, da es zu keinem Zeitpunkt seiner Zuführung in eine horizontale Ausrichtung zu überführen ist.The device according to the invention also has an axis for receiving the surface element roll. It is introduced into the rotational symmetry axis of the surface element roll to be supplied, so that the surface element roll can be unrolled with the aid of the axis. In the device according to the invention, the axis is introduced while the axis is accommodated in a swivel mount. So the axis is not free and can be handled manually, it is accommodated in the swivel mount and the roll of surface elements is to this extent brought up to the axis. If the surface element roll is mounted on the axle, then this axle can be held in a vertical alignment with the surface element according to the invention. The surface element is unrolled from the surface element roller in a vertical orientation. Due to this vertical orientation of the surface element, it offers falling contamination and dirt only a small contact surface. The surface element can then be deflected; for this purpose, the device can have deflection units with rollers running at a 45° angle. The supply of the surface element is compact, since it does not have to be converted into a horizontal orientation at any point in its supply.

Mit der erfindungsgemäßen Vorrichtung, die einer Verpackungsmaschine zugeordnet werden kann, ist somit eine kompakte Zuführung eines Flächenelementes, insbesondere einer Tiefziehfolie, in eine Verpackungsmaschine möglich.With the device according to the invention, which can be assigned to a packaging machine, compact feeding of a planar element, in particular a thermoforming film, into a packaging machine is possible.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass die Achse mit der Schwenkeinrichtung in eine etwa horizontale Ausrichtung der Achse überführbar ist. Die Schwenkaufnahme ermöglicht also ein Verschwenken der Achse für die Flächenelementsrolle von der vertikalen Ausrichtung der Achse in eine horizontale Ausrichtung der Achse und umgekehrt. Der Schwenkaufnahme ist dazu ein geeigneter Schwenkantrieb zugeordnet. In der horizontalen Ausrichtung der Achse kann insbesondere ein erleichterter Wechsel von Flächenelementsrollen vorgenommen werden. Die Flächenelementsrolle kann in horizontaler Richtung von der Achse abgenommen werden und eine neue Flächenelementsrolle kann in horizontaler Ausrichtung der Achse auf diese aufgebracht werden.According to a further development of the invention, it is provided that the axis with the pivoting device can be converted into an approximately horizontal alignment of the axis. The swivel mount thus enables the axis for the surface element roller to be swiveled from the vertical orientation of the axis to a horizontal orientation of the axis and vice versa. For this purpose, a suitable swivel drive is assigned to the swivel mount. In the horizontal alignment of the axis, in particular, it is easier to change surface element rolls. The roll of sheet may be removed from the axle in the horizontal direction and a new roll of sheet may be fitted to the axle in the horizontal orientation thereof.

Eine Weiterbildung der Erfindung sieht dafür vor, dass die Schwenkaufnahme einen Aufsteckdorn hält, der die in die Flächenelementsrolle einzubringende Achse ausbildet. Die Achse für die Flächenelementsrolle wird nach dieser Weiterbildung durch einen Aufsteckdorn ausgebildet, auf den die Flächenelementsrolle aufgesteckt werden kann. Wird der Aufsteckdorn mit der Schwenkaufnahme anschließend in eine vertikale Ausrichtung des Aufsteckdorns verschwenkt, dann liegt die Flächenelementsrolle mit vertikaler Achse auf der Schwenkaufnahme auf und belastet mit ihrer Masse den Aufsteckdorn und die Schwenkaufnahme. Dadurch ergibt sich eine lagesichere Anordnung der Flächenelementsrolle.A further development of the invention provides that the swivel mount holds a arbor that is to be inserted into the surface element roll Axis forms. According to this development, the axis for the roll of surface elements is formed by a plug-on mandrel onto which the roll of surface elements can be plugged. If the arbor with the swivel mount is then pivoted into a vertical orientation of the arbor, the surface element roll rests with a vertical axis on the swivel mount and loads the arbor and the swivel mount with its mass. This results in a positionally secure arrangement of the surface element roll.

Dem Aufsteckdorn ist vorzugsweise ein Drehantrieb zugeordnet, der das Abrollen des Flächenelementes von der Flächenelementsrolle unterstützt.A rotary drive is preferably assigned to the arbor, which supports the unrolling of the surface element from the surface element roll.

Gemäß Erfindung ist die Schwenkaufnahme in einem Tragegestell höhenveränderbar aufgenommen.According to the invention, the swivel mount is accommodated in a support frame so that it can be adjusted in height.

Die Schwenkaufnahme kann also in ihrer Höhe eingestellt werden, so dass sie zum Beispiel für das Aufnehmen einer neuen Flächenelementsrolle in einen abgesenkten Zustand gebracht wird. In diesem Zustand wird eine neue Flächenelementsrolle beispielsweise mit einem Gabelstapler oder mit einem Hubwagen an die Schwenkaufnahme angenähert und auf den dann horizontal ausgerichteten Aufsteckdorn aufgesteckt. Anschließend kann die Schwenkaufnahme verschwenkt werden, die aufgenommene Flächenelementsrolle wird mitgeschwenkt. Mit der Höhenveränderbarkeit der Schwenkaufnahme kann die Flächenelementsrolle dann optimal in der Höhe eingestellt werden, so dass eine lagerichtige Zuführung des abzurollenden Flächenelementes eintritt. Durch Höhenänderungen kann das lagerichtige Einführen des Flächenelementes auch über die gesamte Folienzuführung gewährleistet sein. Läuft das Flächenelement erkennbar aus der vorgesehenen Bahn heraus, kann durch eine Absenkung oder Erhöhung der Anordnung der Flächenelementsrolle in der Schwenkaufnahme eine Korrektur vorgenommen werden.The height of the pivoting receptacle can therefore be adjusted so that it is brought into a lowered state, for example, for receiving a new roll of surface element. In this state, a new surface element roll is approached to the swivel mount, for example with a forklift or a pallet truck, and placed on the arbor, which is then aligned horizontally. Then the swivel mount can be swiveled, the surface element roll that is taken up is also swiveled. With the ability to change the height of the swivel mount, the surface element roller can then be optimally adjusted in height, so that the surface element to be unrolled is fed in the correct position. Changing the height can also ensure that the planar element is inserted in the correct position over the entire film feed. If the planar element noticeably deviates from the intended path, a correction can be made by lowering or raising the arrangement of the planar element roller in the swivel mount.

Konstruktiv ist vorgesehen, dass die Schwenkaufnahme eine Bodenplatte hat, in die der Aufsteckdorn eingelassen ist und die über an ihren einander gegenüberliegenden Enden angeordnete Laschen in Schwenkgelenken angelenkt ist. Beispielsweise über die Schwenkgelenke können die erforderlichen Schwenkkräfte in die Schwenkaufnahme eingeleitet werden.Structurally, it is provided that the swivel mount has a base plate in which the arbor is embedded and which is articulated via brackets arranged at opposite ends in swivel joints. For example, the pivoting forces required can be introduced into the pivoting receptacle via the pivoting joints.

Der Schwenkaufnahme können dabei noch Festlegepunkte für definierte Schwenkstellungen der Schwenkaufnahme zugeordnet sein, beispielsweise zur vertikalen Anstellung des Aufsteckdorns für das Abrollen des Flächenelementes bzw. zur horizontalen Ausrichtung des Aufsteckdorns zum Wechsel der zu verarbeitenden Flächenelementsrolle.The swivel mount can also be assigned fixing points for defined swivel positions of the swivel mount, for example for vertical adjustment of the arbor for unrolling the surface element or for horizontal alignment of the arbor for changing the surface element roll to be processed.

Die erfindungsgemäße Vorrichtung kann für vorhandene Verpackungsmaschinen nachgerüstet werden. Andererseits ist es möglich, eine Verpackungsmaschine sogleich mit einer derartigen Vorrichtung auszurüsten. Für eine derartige Verpackungsmaschine der eingangsgenannten Gattung, für die selbständiger Schutz beansprucht wird, kann also vorgesehen sein, dass sie mit zumindest einer Vorrichtung zum Aufnehmen und Bereithalten einer Flächenelementsrolle der vorbeschriebenen Art ausgerüstet ist. Dieses Ausrüsten ermöglicht vorteilhaft ein Integrieren der Vorrichtung zum Aufnehmen und Bereithalten der Flächenelementsrolle in die Verpackungsmaschine. Dadurch ergibt sich ein weiterer Raumgewinn. Für die Schwenkaufnahme der Flächenelementsrolle können geeignete Antriebsmittel der Verpackungsmaschine genutzt werden, insbesondere elektrische, hydraulische oder pneumatische Antriebsmittel.The device according to the invention can be retrofitted for existing packaging machines. On the other hand, it is possible to immediately equip a packaging machine with such a device. For such a packaging machine of the aforementioned type, for which independent protection is claimed, it can therefore be provided that it is equipped with at least one device for receiving and holding a roll of planar element of the type described above. This equipment advantageously allows the device for picking up and keeping ready the roll of planar elements to be integrated into the packaging machine. This results in a further gain in space. Suitable drive means of the packaging machine can be used for pivoting the planar element roll, in particular electric, hydraulic or pneumatic drive means.

Bei einer derartigen Verpackungsmaschine ist dann vorzugsweise vorgesehen, dass die vorbeschriebene Vorrichtung zum Aufnehmen und Bereithalten der Flächenelementsrolle seitlich in Bezug auf die Längserstreckung der Verpackungsmaschine angeordnet ist. Schließlich kann noch vorgesehen sein, dass die Verpackungsmaschine eine Tiefziehverpackungsmaschine ist und dass mit der vorbeschriebenen Vorrichtung ein tiefziehbares Flächenelement bereitgestellt ist.In such a packaging machine, it is then preferably provided that the above-described device for receiving and holding the roll of planar element is arranged laterally in relation to the longitudinal extension of the packaging machine. Finally, it can also be provided that the packaging machine has a Thermoforming packaging machine is and that a thermoformable surface element is provided with the device described above.

Ausführungsbeispiele der erfindungsgemäßen Verpackungsmaschine sowie der erfindungsgemäßen Vorrichtung zum Aufnehmen und Bereithalten einer Flächenelementsrolle sind in den Zeichnungen dargestellt. Es zeigen:

Figur 1:
eine schematische Draufsicht einer erfindungsgemäßen Verpackungsmaschine; und
Figuren 2 bis 5:
perspektivische Ansichten einer erfindungsgemäßen Vorrichtung zum Aufnehmen und Bereithalten einer Flächenelementsrolle in voneinander verschiedenen Handlungssituationen der Flächenelementsrolle.
Exemplary embodiments of the packaging machine according to the invention and the device according to the invention for picking up and holding a roll of planar elements are shown in the drawings. Show it:
Figure 1:
a schematic plan view of a packaging machine according to the invention; and
Figures 2 to 5:
perspective views of a device according to the invention for picking up and holding a roll of surface elements in different handling situations of the roll of surface elements.

Die in Figur 1 dargestellte Verpackungsmaschine 1 ist längserstreckt und hat voneinander verschiedene Bearbeitungsstationen. So ist eine Tiefziehstation 2 zum Ausbilden von Tiefziehungen vorgesehen sowie eine etwa an gleicher Stelle angeordnete Zufuhreinrichtung für zu verpackende Gegenstände. Weiterhin gibt es eine Schweißstation 3 für eine Deckelfolie sowie eine Trennstation 4 für das Auftrennen der einzelnen Verpackungen voneinander. Basis für die herzustellenden Verpackungen ist ein Flächenelement 5, eine tiefziehbare Folie 5. In diese werden durch das Tiefziehen Vertiefungen 6 eingebracht. Die Vertiefungen 6 bilden Aufnahmeräume für Lebensmittel, anorganische Produkte oder andere Verpackungsgegenstände.In the figure 1 The packaging machine 1 shown is elongated and has processing stations that differ from one another. Thus, a deep-drawing station 2 for forming deep-drawings is provided, as well as a feed device for objects to be packaged, which is arranged at approximately the same place. There is also a welding station 3 for a cover film and a separating station 4 for separating the individual packages from one another. The basis for the packaging to be produced is a surface element 5, a thermoformable film 5. Indentations 6 are introduced into this by thermoforming. The recesses 6 form accommodation spaces for food, inorganic products or other packaging items.

Das Flächenelement 5 wird von einer Flächenelementsrolle 7 abgenommen, das Flächenelement 5 wird dabei von der Flächenelementsrolle 7 abgerollt, wie mit dem Pfeil 8 dargestellt. Über Umlenkeinheiten erfolgt dann ein Zuführen des Flächenelementes 5 entlang der Pfeile 8' und 8" in die Verpackungsmaschine 1 hinein. Die Vorrichtung 9 zum Aufnehmen und Bereithalten der Flächenelementsrolle 7 ist in den nachstehenden Figuren dargestellt.The planar element 5 is removed from a planar element roller 7 , the planar element 5 being unrolled from the planar element roller 7 , as shown by the arrow 8 . The planar element 5 is then fed via deflection units along the arrows 8' and 8'' into the packaging machine 1. The device 9 for receiving and Keeping the surface element roll 7 ready is shown in the figures below.

Figur 2 zeigt, dass die Vorrichtung 9 über ein Tragegestell 20 verfügt, das an die Verpackungsmaschine 1 angesetzt ist und über Füße 10 auf dem Boden aufsteht. In dem Tragegestell 20 ist eine Schwenkaufnahme 11 angeordnet. Diese Schwenkaufnahme 11 trägt einen Aufsteckdorn 12. Weiter hat die Schwenkaufnahme 11 eine Bodenplatte 13, die über zwei Laschen 14 in Schwenkgelenken 15 schwenkbar aufgenommen ist. Dem in Figur 2 rechten Schwenkgelenk ist ein Handhebel 16 zum Verschwenken der Schwenkaufnahme 11 zugeordnet. figure 2 shows that the device 9 has a support frame 20 which is attached to the packaging machine 1 and stands up on feet 10 on the floor. A swivel mount 11 is arranged in the support frame 20 . This swivel mount 11 carries a spigot 12. Furthermore, the swivel mount 11 has a base plate 13 which is pivotally received in swivel joints 15 via two tabs 14. dem in figure 2 A hand lever 16 for pivoting the pivot mount 11 is assigned to the right pivot joint.

Die Flächenelementsrolle 7 ist noch auf einer Palette 19 angeordnet. Sie wird entlang Pfeil 8‴ in Richtung der Vorrichtung 9 verbracht und mit ihrem Hohlraum 17 auf den Aufsteckdorn 12 aufgesteckt.The surface element roll 7 is still arranged on a pallet 19 . It is spent along arrow 8 ‴ in the direction of the device 9 and fitted with its cavity 17 on the arbor 12.

Dieser aufgesteckte Zustand ist in Figur 3 gezeigt. Die Schwenkaufnahme 11 ist in dem Tragegestell 20 höhenveränderbar aufgenommen, so dass nach Aufstecken der Flächenelementsrolle 7 die Schwenkaufnahme 11 nach oben geführt wird, wie mit Pfeil 18 verdeutlicht. Die Palette 19 kann nunmehr entfernt werden, Pfeil 18'.This plugged-in state is in figure 3 shown. The swivel mount 11 is accommodated in the support frame 20 so that it can be adjusted in height, so that after the planar element roll 7 has been attached, the swivel mount 11 is guided upwards, as illustrated by arrow 18 . The pallet 19 can now be removed, arrow 18'.

In Figur 4 ist die Lage der Flächenelementsrolle 7 verändert. Ihre Achse ist aus der horizontalen Lage in eine vertikale Ausrichtung verbracht worden, dazu wurde die Schwenkeinrichtung 11 mit dem Handhebel 16 verschwenkt, nachdem ein Sicherungsstift 20' nach außen gezogen wurde, Pfeil 18". Die Schwenkbewegung ist mit dem gebogenen Pfeil 18‴ verdeutlicht.In figure 4 the position of the surface element roller 7 is changed. Its axis has been moved from the horizontal position to a vertical alignment, for this purpose the pivoting device 11 was pivoted with the hand lever 16 after a locking pin 20' was pulled outwards, arrow 18". The pivoting movement is illustrated by the curved arrow 18‴.

Figur 5 zeigt schließlich wieder die Situation, in der das Flächenelement 5 von der Flächenelementsrolle 7 abgerollt wird, wie in Figur 1 gezeigt. Dem in Figur 5 nicht zu erkennenden Aufsteckdorn 12 kann zur Unterstützung der Drehung der Flächenelementsrolle 7 entlang Pfeil 8 ein Drehantrieb zugeordnet sein, insbesondere bei dünnen Flächenelementen 5. Figur 5 zeigt noch einmal die in der Tiefzieheinrichtung 2 eingebrachten Vertiefungen 6 in das tiefziehbare Flächenelement 5. figure 5 finally shows the situation in which the surface element 5 is unrolled from the surface element roller 7, as in FIG figure 1 shown. dem in figure 5 A rotary drive can be assigned to the arbor 12, which cannot be seen, to support the rotation of the surface element roller 7 along arrow 8, especially with thin surface elements 5. figure 5 shows once again the indentations 6 made in the deep-drawing device 2 in the deep-drawable surface element 5.

Claims (10)

  1. A device for receiving and holding a sheet element roll (7) for the processing thereof in a packaging machine (1) by unrolling the sheet element (5) and introducing the sheet element (5) into the packaging machine (1), comprising a shaft which is to be introduced into the sheet element roll (7) on the axis of rotational symmetry thereof, the shaft being accommodated in a pivot receptacle (11), and the shaft being held in an approximately vertical orientation with the pivot receptacle (11) for the unrolling of the sheet element (5),
    characterised in that
    the pivot receptacle (11) is accommodated in a height-adjustable manner in a supporting frame (20).
  2. The device according to Claim 1, characterised in that it has deflection units for the sheet element (5) for introducing the sheet element (5) into the packaging machine (1).
  3. The device according to Claim 1 or 2, characterised in that the shaft can be transferred with the pivot means into an approximately horizontal orientation of the shaft.
  4. The device according to any one of the preceding claims, characterised in that the pivot receptacle (11) holds a slide-on bolt (12) which forms the shaft to be introduced into the sheet element roll (7).
  5. The device according to Claim 4, characterised in that a rotary drive is assigned to the slide-on bolt (12).
  6. The device according to any one of the preceding claims, characterised in that the pivot receptacle (11) has a baseplate (13) into which the slide-on bolt (12) is let and which is hinged in pivot joints (15) via lugs (14) arranged at its mutually opposing ends.
  7. The device according to any one of the preceding claims, characterised in that the pivot receptacle (11) is assigned fixing points for defined pivot positions of the pivot receptacle (11).
  8. A packaging machine (1) for package goods in film packages,
    characterised in that
    it is equipped with at least one device (9) according to any one of Claims 1 to 7.
  9. The packaging machine (1) according to Claim 8, characterised in that the device (9) according to any one of Claims 1 to 8 is arranged laterally relative to its longitudinal extent.
  10. The packaging machine (1) according to Claim 8 or 9, characterised in that it is a thermoforming packaging machine and that a thermoformable sheet element (5) is provided using the device (9) according to any one of Claims 1 to 8.
EP19199034.0A 2019-09-23 2019-09-23 Device for receiving and holding a film roll, especially a deep-drawing film roll and packaging machine for packing packaging goods in film packages Active EP3795518B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES19199034T ES2942652T3 (en) 2019-09-23 2019-09-23 Device for receiving and keeping available a roll of foil, in particular a roll of deep-drawn foil, and packaging machine for packaging products to be packaged in foil packs
EP19199034.0A EP3795518B1 (en) 2019-09-23 2019-09-23 Device for receiving and holding a film roll, especially a deep-drawing film roll and packaging machine for packing packaging goods in film packages
PT191990340T PT3795518T (en) 2019-09-23 2019-09-23 Device for receiving and holding a film roll, especially a deep-drawing film roll and packaging machine for packing packaging goods in film packages
PL19199034.0T PL3795518T3 (en) 2019-09-23 2019-09-23 Device for receiving and holding a film roll, especially a deep-drawing film roll and packaging machine for packing packaging goods in film packages
DK19199034.0T DK3795518T3 (en) 2019-09-23 2019-09-23 APPARATUS FOR TAKING UP AND HOLDING READY A ROLL OF FILM, IN PARTICULAR A ROLL OF THERMOFORMING FILM, AND WRAPPING MACHINE FOR WRAPPING PACKAGING GOODS IN PACKAGING OF FILM
US17/029,660 US11560281B2 (en) 2019-09-23 2020-09-23 Device for receiving and holding a surface element roll, in particular a deep-drawing film roll and packaging machine for packing packaging goods in surface element packages
JP2020158773A JP7551422B2 (en) 2019-09-23 2020-09-23 DEVICE FOR ACCEPTING AND HOLDING SURFACE ELEMENT ROLL, IN PARTICULARLY DEEP-DRAWN FILM ROLL, AND PACKAGING MACHINE FOR PACKAGING PACKAGED GOODS IN SURFACE ELEMENT PACKAGES - Patent application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19199034.0A EP3795518B1 (en) 2019-09-23 2019-09-23 Device for receiving and holding a film roll, especially a deep-drawing film roll and packaging machine for packing packaging goods in film packages

Publications (2)

Publication Number Publication Date
EP3795518A1 EP3795518A1 (en) 2021-03-24
EP3795518B1 true EP3795518B1 (en) 2023-01-18

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EP19199034.0A Active EP3795518B1 (en) 2019-09-23 2019-09-23 Device for receiving and holding a film roll, especially a deep-drawing film roll and packaging machine for packing packaging goods in film packages

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Country Link
US (1) US11560281B2 (en)
EP (1) EP3795518B1 (en)
JP (1) JP7551422B2 (en)
DK (1) DK3795518T3 (en)
ES (1) ES2942652T3 (en)
PL (1) PL3795518T3 (en)
PT (1) PT3795518T (en)

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US554934A (en) * 1896-02-18 Fabric or goods holder
US3291415A (en) * 1965-02-17 1966-12-13 Lee Wilson Engineering S A Strip coiling apparatus
US3690583A (en) * 1971-03-23 1972-09-12 Canada Steel Co Method and apparatus for scrap coil transfer in continuous strip processing lines
DE3137990C2 (en) * 1981-09-24 1985-02-07 Maschinenfabrik Niehoff Kg, 8540 Schwabach Method and device for continuous bobbin changing on single or multi-turn, continuously operating, stationary winding stations for strand-like material
US4863112A (en) * 1986-04-18 1989-09-05 Bruderer Ag Method for storing coils of wound band-like blank material and for charging a processing machine, and an installation for this purpose
IT1299847B1 (en) * 1998-02-17 2000-04-04 Gd Spa METHOD AND DEVICE FOR FEEDING REELS.
US6195961B1 (en) 1998-12-10 2001-03-06 Illinois Tool Works, Inc. Stretch film roll mounting frame
US6767318B2 (en) * 2001-05-11 2004-07-27 G. D Societa' Per Azioni Method and unit for feeding packaging material to an operating unit
JP2002337817A (en) 2001-05-21 2002-11-27 Ishida Co Ltd Bag making and packaging machine
JP2002362806A (en) 2001-06-11 2002-12-18 Ishida Co Ltd Film tension detector, film tension control device, and bag-making/packaging machine
US7028940B2 (en) * 2002-10-25 2006-04-18 The Procter & Gamble Company Apparatus for unwinding rolls of web material
GB2405137A (en) * 2003-08-21 2005-02-23 Bae Systems Plc Roll holder with foldable spindle
JP4485220B2 (en) 2004-02-13 2010-06-16 大森機械工業株式会社 Automatic film feeder for deep drawing packaging machine
US20110233318A1 (en) * 2010-03-24 2011-09-29 M.I.C Industries, Inc. Vertical sheet metal decoiling system
EP2982628A1 (en) * 2014-08-08 2016-02-10 Sidel S.p.a. Con Socio Unico An automated web reel loading apparatus
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JP6795847B2 (en) 2017-09-30 2020-12-02 大森機械工業株式会社 Film supply equipment and packaging system using it

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JP2021050044A (en) 2021-04-01
PT3795518T (en) 2023-04-21
PL3795518T4 (en) 2023-07-24
JP7551422B2 (en) 2024-09-17
US11560281B2 (en) 2023-01-24
EP3795518A1 (en) 2021-03-24
ES2942652T3 (en) 2023-06-05
US20210087008A1 (en) 2021-03-25
DK3795518T3 (en) 2023-04-24
PL3795518T3 (en) 2023-07-24

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