EP3868692B1 - Verbesserte abfüllmaschine und verfahren zu deren betrieb - Google Patents

Verbesserte abfüllmaschine und verfahren zu deren betrieb Download PDF

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Publication number
EP3868692B1
EP3868692B1 EP20207422.5A EP20207422A EP3868692B1 EP 3868692 B1 EP3868692 B1 EP 3868692B1 EP 20207422 A EP20207422 A EP 20207422A EP 3868692 B1 EP3868692 B1 EP 3868692B1
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EP
European Patent Office
Prior art keywords
unwinding
coil
bagging
film
replacement unit
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
EP20207422.5A
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English (en)
French (fr)
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EP3868692A1 (de
Inventor
Cesare Petrolati
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.)
Teknomac Srl
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Teknomac Srl
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Publication date
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Publication of EP3868692A1 publication Critical patent/EP3868692A1/de
Application granted granted Critical
Publication of EP3868692B1 publication Critical patent/EP3868692B1/de
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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
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • 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
    • B65B51/24—Applying or generating heat or pressure or combinations thereof to produce bead seals
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/026—Enclosing successive articles, or quantities of material between opposed webs the webs forming a curtain
    • 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
    • B65H16/028—Supporting web roll on its outer circumference
    • 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
    • B65H2301/4137—Supporting web roll on its outer circumference
    • B65H2301/4138—Supporting web roll on its outer circumference belt arrangement
    • B65H2301/41384—Supporting web roll on its outer circumference belt arrangement arranged in non-stationary manner, i.e. changing according to actual roll diameter
    • 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
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/418—Changing web roll
    • B65H2301/4185—Core or mandrel discharge or removal, also organisation of core removal
    • B65H2301/41859—Core or mandrel discharge or removal, also organisation of core removal by continuously operated device, e.g. conveyor
    • 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 present invention relates to an improved bagging machine and operating method thereof.
  • the invention relates to a bagging machine, for example for mattresses and the like, designed and manufactured in particular to allow the automatic replacement of the finished film coil or film for wrapping, so as to allow a drastic reduction in machine downtime.
  • Machines of this type generally comprise a moving plane, usually a roller surface, possibly motorized, on which the mattress is moved along a feeding direction, and a pair of film coils for enveloping the mattress, generally arranged respectively above and below the mattress moving plane.
  • the two ends of the film of the two upper and lower coils are suitably coupled along a line.
  • the mattress passes through, it is covered at the top with a layer of film coming from the first coil, and at the bottom with a layer of film coming from the second coil.
  • Said layers are welded, as mentioned, on one side and, when the mattress is covered by the films above and below, the other three sides are also welded, so as to complete the bagging of the same.
  • the machine therefore, also includes a cutting and sealing member, which allows cutting the ends of the film and welding the ends at the same time.
  • a technical problem of bagging machines according to the prior art is that once the film of one or both of the two coils ends, they must be replaced manually.
  • the bagging machines according to the prior art also provide sensors, which detect when the residual film wound in the coil is no longer enough to bagging an entirely new mattress. In this case, the machine warns the operator that one or both coils have to be replaced.
  • the operator must extract the residual film still inserted between the return rollers of the machine, remove the exhausted coil, or, more precisely, the tubular cardboard on which the film is wound, and, subsequently, re-insert the end of the film between the return rollers, so as to seal the end of the film of the new coil in replacement with that of the other coil (upper, if the lower coil is replaced, or lower, in the case of replacing the upper coil).
  • Another object of the invention is to propose an operating method of the bagging machine capable of automatically eliminating and replacing the coils for wrapping and at the same time coupling the ends of the film thereof.
  • a bagging machine for bagging an item, such as a mattress and the like, by means of the film of at least one coil winded on a tubular cardboard
  • said bagging machine comprises at least one unwinding and replacement unit of a respective coil housed in said at least one unwinding and replacement unit, having at least one first unwinding member, characterized in that said at least one first unwinding member is capable of assuming a first position, in which it is configured for unwinding the coil for bagging said item to be bagged, and a second position, in which, when the film of said coil is finished or no longer sufficient for bagging an item, it ejects the tubular cardboard of said finished coil.
  • said first unwinding member may be a first unwinding belt comprising a belt and a couple of rollers for moving said belt, wherein one of said rollers may be pivoted for allowing the rotation of said unwinding belt, so as to move from said first position to said second position
  • said unwinding and replacement unit may comprise a second unwinding belt, arranged so as to form, with said first unwinding member, a "V" arrangement, so as to house said coil to be unwound between them.
  • said unwinding and replacement unit may comprise a storage for containing replacement coils, arranged so as to allow the release of a coil after said unwinding member assumes said first position subsequent to said second position, in which the tubular cardboard of a finished coil is ejected.
  • said storage may comprise an inclined plane, on which the replacement coils are arranged, oriented towards the concavity formed by the two unwinding members.
  • said unwinding and replacement unit may comprise an ejection guide in which the tubular cardboard around which the coil film is rolled, is carried away when said at least one unwinding member assumes said second position.
  • said machine may comprise a first unwinding and replacement unit and a second unwinding and replacement unit.
  • said machine may comprise a conveyor plan, having a first conveyor half-plan and a second conveyor half-plan, arranged in a consecutive manner to said first conveyor half-plan, said first unwinding and replacement unit may be arranged above said first conveyor half-plan, and said second unwinding and replacement unit may be arranged below said first conveyor half-plan.
  • said machine may comprise a cutting and welding unit, for cutting the exceeding film and for welding it to close or complete the bagging of an item to be bagged, comprising a contrast base, a cutting blade, installed on said contrast base, for cutting the exceeding film, a front welding bar and a rear welding bar, arranged in correspondence of said contrast base, wherein said front welding bar and said rear welding bar are configured for welding the film edges from two coils, respectively for closing the bagging of an item and for coupling again two film edges for carrying out a new bagging.
  • said machine may comprise a pair of pliers, for moving the film edges, each from a respective coil, housed in said first unwinding and replacement unit and in said second unwinding and replacement unit.
  • said unwinding and replacement unit may comprise a storage for containing replacement coils, and may comprise the step of allowing the release of a replacement coil after said unwinding member returns from said second position to said first position.
  • said at least one unwinding member rewind the residual film on the tubular cardboard before said at least one unwinding member moves from said first position to said second position.
  • the solution according to the invention provides for, among other things, the provision of said bagging machine with a film unwinding unit for bagging capable of housing the coil to be unwound, expelling the tubular cardboard on which the film is wound to bagging when the coil is finished, and to house and load a new coil coming from a suitable storage.
  • a bagging machine 1 can be seen for bagging a mattress M according to the present invention.
  • the bagging machine 1 essentially comprises a conveyor plane 2, for moving a mattress M or an element to be bagged in general, a first unwinding and replacement unit 3, for feeding the film for bagging and replacing a film coil when it is finished, a second unwinding and replacement unit 4, for always feeding the film to bag the mattress M, and replacing a film coil, when it is finished, a cutting and sealing unit 5, for cutting the excess film and sealing it to close or complete the bag of a mattress M or element to be bag in general, and a pair of pliers 71 and 72, for handling the edges of film 61 and 62, coming respectively from the coil 8 housed in the first upper unwinding and replacement assembly 3, and from the coil 9 housed in the second lower unwinding and replacement unit 4.
  • the conveyor plane 2 comprises a first conveyor half-plane 21 and a second conveyor half-plane 22, arranged consecutively to said first conveyor half-plane 21.
  • the conveyor half-planes 21 and 22 are planes with motorized rollers or with a belt. Said half-planes of conveyors 21 and 22 are able to move the mattress M to be packed along an advancement direction indicated by the arrow A.
  • Each unwinding belt 311 or 312 comprises a pair of rollers, respectively 311', 311" and 312', 312", between which a belt is movable, indicated respectively with the reference numbers 311′′′ and 312′′′.
  • the first unwinding belt 311 is hinged with respect to the roller 311", which is the one arranged below, near the vertex of the "V" formed with the other unwinding belt 312, and is movable so as to assume a first position, in which it forms with the second pair of rollers 312 the aforementioned "V" shape, so as to allow the housing of the coil 8 to be unwound, and a second position, in which the unwinding belt 311 is rotated by an appropriate angle, such as to allow the ejection of the tubular cardboard 82 of the coil 8 once finished, as better explained below.
  • the first unwinding and replacement unit 3 comprises a coil storage 32, which has an inclined plane 321, oriented towards the concavity formed by the two unwinding belts 311 and 312, on which a plurality of reserve or replacement coils 81 are arranged.
  • an inclined ejection guide 33 is provided, in which the tubular cardboard 82, around which the film of the coil is rolled, rolls away when said first pair of rollers 311 assumes said second position, as better explained in the following.
  • the second unwinding and replacement group 4 is arranged below said first half-plane 21, and it is structurally and functionally completely similar to the first unwinding and replacement group 3, thus also comprising an unwinding unit for the film 41, the first 411 and the second unwinding belt 412, the coil storage 42 and the relative inclined plane 421, as well as the ejection guide 43, also inclined.
  • the second unwinding and replacement assembly 4 can be arranged differently, i.e., not under the conveyor plane 2 of the mattress M to be wrapped, possibly providing suitable return rollers for positioning the edge 62 of the film of the coil 9 therein housed in the cutting and welding unit 5.
  • the replacement coils 91 are arranged in the coil storage 42.
  • the ejection guide 43 also allows for the second unwinding and replacement unit 4 to eject the tubular cardboard 92 of the finished coil.
  • the cutting and sealing unit 5 comprises a contrast base 51, on which a cutting blade 52 is installed, for cutting the excess film coming from the edges 61 and 62 from the coils 8 and 9, arranged respectively in the unwinding unit units 31 and 41, and a front sealing bar 53, for welding the edged 61 and 62, respectively coming from the upper coil 8 and from the lower coil 9, for closing the rear side of the bagged mattress M, and a rear sealing bar 54, configured to seal the edges 61 and 62, so as to join them together and allow a subsequent mattress M to be bagged.
  • the bagging machine 1 also comprises a pair of pliers 71 and 72, adapted to grip respectively the edges 61 and 62 of the bagging film, coming respectively from the coils 8 and 9, arranged respectively in the unwinding units 31 and 41.
  • Each of said grippers 71 and 72 is capable of moving vertically, to grip the respective edge 61 and 62, unrolled from one of the two coils 8 and 9. Furthermore, each of said pliers 71 and 72 is also capable of rotating at least by 90°, so as to arrange the gripped edges 61 and 62 parallel to each other and in correspondence with the contrast base 51, to allow them to be cut with the cutting blade 52, and to be welded with the front 53 and rear 54 sealing bars, as better described in the following.
  • edges 61 and 62 of film coming respectively from the coils 8 and 9 arranged in the unwinding units 31 and 41 are welded together along a transverse sealing line, so as to couple said two edges 61 and 62.
  • the mattress M is arranged on the first conveyor half-plane 21 and is moved along the advancement direction A.
  • the mattress M comes into contact with the two edges of film 61 and 62, welded together and, at the same time, the unwinding belts 311 and 312 of said unwinding unit 31 arranged above and the unwinding belts 411 and 412 of said unwinding unit 41 arranged at the bottom, rotate so as to unwind the respective coils 8 and 9, feeding the film for bagging the mattress M.
  • the mattress M now wrapped, or covered with the film, passes completely on said second conveyor half-plane 22, to be transported out of the bagging machine 1, while the edges 61 and 62 coming from the reels B are simultaneously welded along a transversal welding line, for bagging the subsequent mattress M, which arrives from said first conveyor half-plane 21.
  • the first 311 and the second 312 unwinding belt would reverse their rotation direction, so as to wind back the residual film around the tubular cardboard 82 of the coil 8, and, subsequently, the first unwinding belt 311 would pass from said first operating position to said second position, thus letting the tubular cardboard 82 of the ended coil 8 fall by gravity onto the inclined ejection guide 33.
  • said first unwinding belt 311 would return to said first operating position and from said storage 32 the first coil 81 of available replacement film would be rolled so as to be positioned between said first 311 and said second 312 unwinding belts.
  • both the two unwinding belts 311 and 312 would rotate, so as to unroll a portion of the film wound on the coil 8, which has just been replaced.
  • the plier 71 corresponding to the unwinding and replacement unit 3 would be arranged in the raised position, as shown in dashed lines in figure 1 , to grip the edge 61 of the film of the replaced coil 8, bringing it back down and rotating by 90°, in order to arrange it again in correspondence with said contrast base 51, to allow its cutting and sealing, especially with the edge 62 of the coil 9 arranged in the second unwinding and replacement unit 4, arranged below, and resuming the normal bagging processing cycle of the mattress M.
  • the coil storages 32 and 42 can comprise a movable bulkhead (not shown in the figures), which opens when it is necessary to load a coil 81 or 91 to replace the finished one.
  • different types of storages 32 or 42 can be provided, for containing replacement coils 81 or 91 and releasing them when necessary.
  • An advantage of the present invention is that of allowing the automatic replacement and ejection of the coils when they run out of bagging film.
  • a further advantage of the present invention is that of allowing the continuous operation of the bagging machine.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Threshing Machine Elements (AREA)

Claims (12)

  1. Verpackungsmaschine (1) zum Verpacken eines Artikels, wie z.B. einer Matratze (M) und dergleichen, mittels der Folie (61, 62) von mindestens einer Spule (8, 9), die auf einen rohrförmigen Karton (82, 92) gewickelt ist, wobei die Verpackungsmaschine (1) Folgendes umfasst mindestens eine Abwicklungs-und Austauscheinheit (3, 4) einer jeweiligen Spule (8, 9), die in der mindestens einen Abwicklungs- und Austauscheinheit (3, 4) untergebracht ist, die mindestens ein erstes Abwicklungselement (311) aufweist, dadurch gekennzeichnet, dass das mindestens eine erste Abwicklungselement (311, 411) in der Lage ist, eine erste Position einzunehmen, in der es zum Abwickeln der Spule (8, 9) zum Verpacken des zu verpackenden Artikels (M) konfiguriert ist, und eine zweite Position, in der es, wenn die Folie der Spule (8, 9) zu Ende ist oder nicht mehr zum Verpacken eines Artikels (M) ausreicht, den rohrförmigen Karton (82, 92) der leeren Spule (8, 9) auswirft.
  2. Verpackungsmaschine (1) nach dem vorherigen Anspruch, dadurch gekennzeichnet, dass das erste Abwicklungselement ein erstes Abwicklungsband (311, 411) ist, umfassend ein Band (311"', 411"') und ein Paar von Rollen (311', 311"; 411', 411") zum Bewegen des Bands (311‴, 411‴), wobei eine der Rollen (311", 411") drehbar gelagert ist, um eine Drehung des Abwickelbands (311, 411) zu ermöglichen, um es von der ersten Position in die zweite Position zu bewegen, und dass die Abwicklungs-und Austauscheinheit (3) ein zweites Abwickelband (312, 412) umfasst, das angeordnet ist, um mit dem ersten Abwicklungselement (311, 411) eine "V"-Anordnung zu bilden, um die abzuwickelnde Spule (B) dazwischen aufzunehmen.
  3. Verpackungsmaschine (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Abwicklungs-und Austauscheinheit (3, 4) einen Speicher (32, 42) zum Aufnehmen von Austauschspulen (81, 91) umfasst, der angeordnet ist, um die Freigabe einer Spule zu ermöglichen, nachdem das Abwicklungselement (311, 411) nach der zweiten Position die erste Position einnimmt, in der der rohrförmige Karton (82, 92) einer leeren Spule (8, 9) ausgeworfen wird.
  4. Verpackungsmaschine (1) nach dem vorherigen Anspruch, wenn abhängig von Anspruch 2, dadurch gekennzeichnet, dass das Lager (32, 42) eine schräge Ebene (321; 421) umfasst, auf der die Austauschspulen (81) angeordnet sind, die zu der Konkavität ausgerichtet sind, die durch die zwei Abwicklungselemente (311, 312; 411, 412) gebildet wird.
  5. Verpackungsmaschine (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Abwicklungs-und Austauscheinheit (3, 4) eine Auswurfführung (33, 43) umfasst, in der der rohrförmige Karton (82, 92), um den die Spulenfolie gewickelt ist, weggeführt wird, wenn das mindestens eine Abwicklungselement (311, 411) die zweite Position einnimmt.
  6. Verpackungsmaschine (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass sie Folgendes umfasst
    eine erste Abwicklungs- und Austauscheinheit (3) und eine zweite Abwicklungs- und Austauscheinheit (4).
  7. Verpackungsmaschine (1) nach dem vorherigen Anspruch, dadurch gekennzeichnet dass sie eine Fördererebene (2) umfasst, die eine erste Förderer-Halbebene (21) und eine zweite Förderer-Halbebene (22) aufweist, die aufeinanderfolgend zu der ersten Förderer-Halbebene (21) angeordnet ist, dass die erste Abwicklungs- und Austauscheinheit (3) oberhalb der ersten Förderer-Halbebene (21) angeordnet ist, und dass die zweite Abwicklungs- und Austauscheinheit (4) unterhalb der ersten Förderer-Halbebene (21) angeordnet ist.
  8. Verpackungsmaschine (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass sie eine Schneid- und Schweißeinheit (5) zum Schneiden der überstehenden Folie und zum Verschweißen derselben zum Verschließen oder Vervollständigen der Verpackung eines zu verpackenden Artikels (M) umfasst, umfassend eine Kontrastbasis (51), eine Schneideklinge (52), die an der Kontrastbasis (51) installiert ist, um die überstehende Folie (61, 62) zu schneiden, eine vordere Schweißleiste (53) und eine hintere Schweißbalken (54), die in Übereinstimmung mit der Kontrastbasis (51) angeordnet sind, wobei der vordere Schweißleiste (53) und die hintere Schweißleiste (54) konfiguriert sind, um die Folienränder (61, 62) von zwei Spulen (8, 9) zu verschweißen, um die Verpackung eines Artikels (M) zu schließen und um zwei Folienränder (61, 62) wieder zu verbinden, um eine neue Verpackung durchzuführen.
  9. Verpackungsmaschine (1) nach einem der vorherigen Ansprüche, wenn abhängig von Anspruch 6, dadurch gekennzeichnet, dass sie ein Paar Zangen (71, 72) zum Bewegen der Folienränder (61, 62) umfasst, die jeweils von einer entsprechenden Spule (8, 9) kommen, die in der ersten Abwicklungs- und Austauscheinheit (3) und in der zweiten Abwicklungs- und Austauscheinheit (4) untergebracht sind.
  10. Betriebsverfahren einer Verpackungsmaschine (1) nach einem der vorherigen Ansprüche, wobei wenn die Folie der Spule (8, 9) zu Ende ist oder nicht mehr für die Verpackung eines Artikels (M) ausreicht, das mindestens eine Abwicklungselement (311, 411) sich von der ersten Position, in der es zum Abwickeln der Spule (8, 9) zum Verpacken des zu verpackenden Artikels (M) konfiguriert ist, in die zweite Position bewegt, um den rohrförmigen Karton (82, 92) der leeren Spule (8, 9) auszuwerfen.
  11. Verfahren nach dem vorherigen Anspruch, wobei die Abwicklungs- und Austauscheinheit (3, 4) einen Speicher (32, 42) zum Aufnehmen von Austauschspulen (81, 91) umfasst, dadurch gekennzeichnet, dass es den Schritt umfasst, die Freigabe einer austauschspule (81) zu ermöglichen, nachdem das Abwicklungselement (311, 411) von der zweiten Position in die erste Position zurückgekehrt ist.
  12. Verfahren nach einem der Ansprüche 10 bis 11, dadurch gekennzeichnet, dass das mindestens eine Abwicklungselement (311, 411) die Restfolie auf dem rohrförmigen Karton (82, 92) aufwickelt, bevor sich das mindestens eine Abwicklungselement (311, 411) von der ersten Position in die zweite Position bewegt.
EP20207422.5A 2019-12-04 2020-11-13 Verbesserte abfüllmaschine und verfahren zu deren betrieb Active EP3868692B1 (de)

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EP3868692B1 true EP3868692B1 (de) 2023-07-26

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Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1931430A1 (de) * 1969-06-20 1971-01-07 Metallwerk Karl Leibfried Gmbh Schnellwechselvorrichtung zum Austausch von Schrumpffolienvorratsrollen in einer Maschine zur Schrumpffolienumkleidung von Stueckgut
IT1394473B1 (it) * 2008-12-22 2012-07-05 Resta Srl Imballaggio per materassi e apparecchiatura per la realizzazione di tale imballaggio

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PL3868692T3 (pl) 2023-12-04
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