EP2042435B1 - Vorrichtung zum Aufstecken von Säcken auf einen Füllstutzen einer Packmaschine - Google Patents

Vorrichtung zum Aufstecken von Säcken auf einen Füllstutzen einer Packmaschine Download PDF

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Publication number
EP2042435B1
EP2042435B1 EP08016942A EP08016942A EP2042435B1 EP 2042435 B1 EP2042435 B1 EP 2042435B1 EP 08016942 A EP08016942 A EP 08016942A EP 08016942 A EP08016942 A EP 08016942A EP 2042435 B1 EP2042435 B1 EP 2042435B1
Authority
EP
European Patent Office
Prior art keywords
bags
bag
bundle
transfer
empty bag
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
EP08016942A
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German (de)
English (en)
French (fr)
Other versions
EP2042435A1 (de
Inventor
Willi Vollenkemper
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.)
Haver and Boecker OHG
Original Assignee
Haver and Boecker OHG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haver and Boecker OHG filed Critical Haver and Boecker OHG
Publication of EP2042435A1 publication Critical patent/EP2042435A1/de
Application granted granted Critical
Publication of EP2042435B1 publication Critical patent/EP2042435B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • 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
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/30—Arranging and feeding articles in groups
    • B65B35/44—Arranging and feeding articles in groups by endless belts or chains
    • 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
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/18—Methods of, or means for, filling the material into the containers or receptacles for filling valve-bags

Definitions

  • the invention relates to a device for attaching bags and in particular a device for attaching valve bags to a filler neck of a packaging machine.
  • bags are stored on the slip-on device to ensure a continuous and trouble-free operation of the packing machine.
  • a valve bag is separated from the stack. Then the valve is opened, the bag accelerated and the bag is attached to the filler neck.
  • the equipment used for such a purpose has a task for empty bags or bag bundles, which is regularly supplied manually by an operator with new bags.
  • the task area is arranged at an ergonomically comfortable height for the operator to facilitate the refilling of the bags.
  • the bag must be singulated from the bag bundle, i. the bag valve must be opened and the bag accelerated so that it reaches the filler neck at the appropriate time.
  • the bag valve must be opened and the bag accelerated so that it reaches the filler neck at the appropriate time.
  • high demands are placed on the components involved.
  • the cost side in the construction must be considered.
  • lifting cylinders have prevailed in the prior art since they can respond with high acceleration values without any appreciable delay, so that a fast translational reaction is generated when a lifting cylinder is activated.
  • a bag bundle is spent by a bag magazine to the beginning of a tray table of a slip-on, whereupon the bag bundle is transferred by means of a lifting cylinder drive on the storage table.
  • the bag bundle is moved translationally to a lifting element, with which it is then in turn lifted to the intended height. Once there, a sack must be grasped, lifted and the sack valve opened at the speed of the power stroke before the sack is slipped onto the filler neck.
  • the lifting element When changing a bag bundle, the lifting element must first be lowered and then a blank bag bundle with the Hubzylinderantrieb be moved translationally on the lifting element, whereupon the lifting element is raised with its associated lifting cylinder again. This and the subsequent attachment of the first bag of the new bag bundle must be done within a regular working cycle. Subsequently, the sacks are seized individually and put on until the next bag bundle has to be fetched.
  • the inventive device for attaching bags is provided in particular for attaching valve bags to a filler neck of a packing machine.
  • the device according to the invention comprises a delivery table and a transport device for transferring a bag bundle in a transfer region and for transporting it to a receiving position on the delivery table, in which a bag can be grasped individually in order to pick up the bag and then place it on.
  • the transport device has a drive device for transporting the bag bundles, with which both a translatory distance and a predetermined height difference can be bridged, the transport device having a belt drive.
  • the belt drive in the transfer area in a top view is fork-shaped with outwardly projecting fork ends and intermediate spaces.
  • the belt drive has at least two parallel provided on the delivery table belt.
  • a significant advantage of the invention is that both a horizontal distance and a vertical distance can be bridged with a common drive device, so that both a horizontal and a vertical distance can be overcome by activating a single transport device.
  • the drive is activated and automatically a horizontal and a vertical distance is overcome. Due to the fork-shaped shape, a flexible and easy transfer of a bag bundle is possible. Subsequently, the sack bundle is transported further by means of the belt drive.
  • Another great advantage of the present invention is that instead of a plurality of lifting cylinders only one common Drive is used, so that a considerable financial effort can be saved. Since the drive is used to transport bag bundles and since not several successive translational movements have to be coordinated with each other, the reaction speed of a belt drive is completely sufficient and even surpasses the technology used hitherto.
  • the belt of the belt drive at least one outwardly projecting driver to take a bag bundle on the storage table.
  • a sack can be transported by the carrier standing in particular radially outward, but a sack bundle or a sack stack can be transported further, which comprises a large number of sacks.
  • a sack bundle may include 10, 15, 20, 30, or even 40 sacks. The exact number depends on the respective conditions of use and the bag material used.
  • valve bags in the region of the valve regularly have a greater thickness, so that the bags are not only slightly thicker in the bottom and top area than in the central area of the bags, but that the bags in the valve area are also slightly thicker. This leads to a large number of stacked bags leads to a skew storage, so that have proven in preferred applications sack numbers of about 10 to 30 per bag bundle.
  • a blank bag magazine which comprises a task area, on which bag bundles can be fed in a predetermined task height.
  • the empty bag magazine is suitable and intended to transport bag bundles from the task area to the transfer position.
  • the task height is a comfortable task height for the operator, because during the course of a day In the case of the plants, which are typically operated all day long, very considerable sack numbers have to be added, so that a loading position which is comfortable and ergonomic for the operator is important.
  • the empty bag magazine is designed as an empty bag cell belt, which has in each case a cell for receiving a bag bundle between radially outwardly projecting tines.
  • the empty bag cell band has in this way a plurality of successively arranged cells, which are each separated by a plurality of parallel radially outwardly extending prongs.
  • the empty bag cell belt is suitable for this purpose and intended to transfer in particular clocked mode of operation in each case one bag bundle per cycle to the transport device in the transfer position. This means that at each cycle of the empty bag cell band, a bag bundle is deposited at the transfer position.
  • the storage table has a flat receiving surface at the receiving position and an inclined transfer region at the transfer position. At the inclined transfer area, the sacks or the bag bundle are taken from the empty bag magazine.
  • a particularly flat waiting area is provided between the transfer area and the receiving area, ie in front of the receiving area, to which a bag bundle is transportable with the transport device, while on the receiving surface in the receiving position arranged bag bundle is processed.
  • the waiting area is particularly preferably provided in parallel and directly adjacent to the receiving surface, wherein between the receiving surface and the waiting area and a small distance of, for example, a half or a bag length can be provided.
  • the receiving position for receiving a bag from the storage table is arranged at a predetermined receiving height, wherein the receiving height regularly is significantly higher than the task height of the task area is provided because the receiving height that is dependent on the height of the filler neck, on which the valve bag is to be plugged. Therefore, the receiving height is taken into account in the structural design of the machine, since this is practically a plant constant. Regularly, the height difference between the receiving height and the task height at the empty bag cell band is at least 20 or even 80 cm. Also 10 cm and other values are possible.
  • the delivery table has slots through which the drivers protrude over the surface upwards when the carriers are arranged in corresponding areas of the delivery table. This means that a bag bundle rests on the tray table, while it is taken along with the drivers projecting through the slots in the transport direction.
  • the belts are each stored separately and individually.
  • the bearings of the individual belts are not connected to each other with a common shaft, so that the belt drive is fork-shaped in the transfer area in a plan view, wherein the individual belts protrude as tines of the fork shape of the tray table towards the empty bag magazine.
  • the free ends of the tines of the empty bag magazine can dive between the individual belts of the belt drive and mesh with it, so that in this area a beneficial Overlap of the tray table with the empty bag cell band is present.
  • the prongs of the empty bag cell belt mesh with interspaces of the delivery table provided between the individual belts.
  • each belt of the belt drive is individually clamped separately via its own tensioning roller.
  • a tensioning device could be provided for all belts, but since the individual belts used can have different length tolerances, such a common Clamping device not necessarily to the desired reliability.
  • a plug-on head which serves for opening the valve and for attaching the bag.
  • the plug-on head in particular a gripper system for receiving a bag and an acceleration system for accelerating the opened bag to réellestecken the bag on a filler neck of a filling or réellesch manen.
  • the embodiments described so far relate in particular to a linear design, in which the empty bag magazine and the plug-on machine are set up in line, which means that the empty bag magazine is aligned with the transport direction of the belt drive. Depending on the available space, it may also be necessary to arrange the empty bag magazine at an angle to the transport device of the belt drive.
  • a turntable is provided, which is pivotably arranged between a first and a second pivot position and which transfers a bag bundle into the transfer position during the pivoting of the turntable.
  • the turntable in a first rotational or pivotal position is adapted to take over a bag bundle of the empty bag magazine, while in the second rotational or pivotal position is suitable to transfer the bag bundle in the transfer position.
  • the turntable on spaces or slots, which mesh in the first rotational or pivotal position with the tines of the empty bag magazine. This is a small distance of the turntable to Empty bag magazine and a simple transfer of the bags allows.
  • a pivoting element is further provided, which has in the first rotational position with the interstices or slots of the turntable meshing driver to transfer a bag bundle of the empty bag magazine on the turntable.
  • the slots of the turntable in the second rotational position are aligned with the drive belts so that the drivers can pass through the slots of the turntable from below to transport a sack bundle.
  • This embodiment is particularly advantageous because the slots are aligned in one rotational position with the tine of the empty bag magazine and in the other rotational position with the belts of the belt drive.
  • the belt may be provided in the region of the turntable pivot down so that the transport device in the region of the turntable has a pivotable about a horizontal axis transport unit, which from an upper pivot position for transporting the bag bundle in a lower Pivoting position for pivoting the turntable is pivotable.
  • the belt run in the region of the turntable below the surface of the turntable so that rotation of the turntable is possible if the drivers are not in the slots.
  • FIG. 13 a system is shown, which has a packing machine 1 for filling products in bags 2, a slip-on 10 and a discharge belt 70 for transporting the filled valve bags 2.
  • the packing machine 1 is designed here as a rotary filling system with a plurality of filling nozzles 34, onto which the valve sacks 2 to be filled are plugged with the slip-on machine 10.
  • the packing machine 1 rotates in the direction of rotation 46, while the plugged valve bags 2 are filled.
  • the ready-packed valve bags 2 are deposited on the discharge belt 70 and thus transported away.
  • FIG. 1 is a perspective view of a device according to the invention and as a plug-in machine 10 is shown, which here has a designed as empty bag cell magazine empty bag magazine 30.
  • a plug-on head 20 is provided to individually grasp the sacks 2 of a sack bundle 3, lift them, open the respective valve and push the sacks onto a filler neck of a packing machine.
  • Typical packaging machines for filling powdery materials into valve bags achieve high filling capacities of up to a few 100 sacks per filling nozzle and hour. This means that a rotating plant with several filling nozzles can pack some 1000 bags per hour. This number represents a considerable challenge for a bagging machine, since in particular for a rotating packing machine a single bag-peg must fit all bags, resulting in a Sacêtsteckrate, which results from the number of filler neck multiplied by the filling rate per filler, if you do not have one want to use second slip-on, which naturally leads to correspondingly increased costs.
  • the inventive device 10 has for temporary storage of the bag bundle 3, the empty bag cell magazine 30 with the individual compartments 31, which are separated by arranged on the conveyor belt of the empty bag magazine tines 33. Since a plurality of cells 31 is provided in such a way, in each of which a bag bundle of, for example, 10 to 30 bags is set, there is a good possibility of temporarily storing the bags even in view of the possible high filling rate.
  • the operator fills the sacks or bag bundles 3 in the feed area 18.
  • the task area on a height or task height 32 which does not overexert the operator even with constant refilling.
  • the empty bag cell magazine 30 is operated in a clocked manner, so that when the system is put into operation a first bag bundle 3 is deposited on the transfer area 35 at the transfer position 5. From there it is transported on the belt drive 13 in the receiving position 8 on.
  • a belt drive 13 with a plurality of belts 14 is used, on each of which a driver 17 protrudes radially outwards in order to simultaneously transport an entire bag bundle 3 via the driver 17.
  • FIG. 2 the transfer region 35 and the receiving surface 6 at the receiving position 8 is shown enlarged.
  • a first bag bundle 3 in the transfer position 5 while the cell 31 associated tines 33 of the empty bag cell belt are immersed in spaces 19 in the feed table, while extending over the entire width bag bundle 3 of the Belt 14 is retained and thus stored on the transfer area 35 of the tray table 7.
  • the transfer region 35 is inclined with respect to the horizontal, in order to transport the bags via a translatory Distance 11 to overcome a height difference 12 from the task height 32 at the empty bag magazine to the receiving height 24 at the receiving surface 6.
  • the transport device 4 comprises the in FIG. 2 half-hidden and in FIG. 3 clearly recognizable driver 17, so when driving the belt drive 13, the in FIG. 2 shown bag bundle 3 is moved in the direction of the receiving position 8.
  • the drivers 17 protrude radially outward from the belt.
  • exactly one driver 17 is provided per belt, which projects respectively through the slots 38 of the delivery table 7 over the surface 37 and can be driven in the forward direction and in the reverse direction.
  • each belt 14 of the belt drive 13 is tensioned separately, for example, to compensate for manufacturing tolerances.
  • the tray table 7 is mounted pivotally about the pivot point 39, but is of a here in FIG. 2 non-visible biasing device 40 is biased into the operating position 41, in which the receiving surface 6 is aligned substantially horizontally. If a force exceeding the force of the preloading device 40 is exerted from above onto the transfer region 35 of the delivery table 7, the transfer region 35 of the delivery table 7 pivots about the horizontal axis 39 and a position sensor 42, also not shown here, triggers an alarm which regularly leads to a Stop the plant leads.
  • the drive shaft 15 of the belt drive 14 is shown in the illustration FIG. 2 arranged at the right end of the storage table 7.
  • the plug-on head 20 comprises a gripper system 44 and an acceleration system 45, as well as a bag opening device 21 to to open the bag valves of the recorded bags 2.
  • the accelerator system 45 includes a roller bar 25 and a belt drive 26 to accelerate the bags to the filler neck.
  • the bag opening device 21 comprises angled plates 22 and 23 which can swing apart to introduce a bag, and to open the bag valve during pivoting back.
  • FIG. 3 is the device after FIG. 1 wherein a bag bundle 3 is arranged in the receiving position 8 on the receiving surface 6 of the support table 7 and another bag bundle 3 in the waiting position on the waiting area 36, to which the belt drive 13 transports the bag bundle 3 by means of the carriers 17 arranged on the belt 14 has, after the currently processed bag bundle 3 was brought to the receiving position 8.
  • This method offers the considerable advantage that, when the bag bundle is used up in the receiving position 8, the bag bundle 3 located on the waiting area 36 can be transferred into the receiving position 8 by a short movement of the belt drive 13, for which only a short time is required due to the short distance , which does not interfere with the continuous operation of the plant and still reserves for larger Aufsteck yorken.
  • FIG. 4 is a plan view of the tray table 7, wherein the plug-on head 20 has been omitted in order to increase the clarity.
  • the slots 38 in the storage table 7, which are again significantly widened in the transfer area 35 and form spaces 19 so that the prongs 33 can pass through the spaces 19 when they pass a new bag bundle 3 to the delivery table 7.
  • the four belts 14 of the belt drive 13 can be seen. At the left edge is still a part of the empty bag magazine 30 recognizable.
  • FIG. 4 shown situation is shown in perspective in FIG. 5 shown enlarged, in which case the arranged on the belt 14 tines 17 of the belt drive 13 are in the rear position, in which they are suitable to transport a stored on the transfer area 35 bag bundle on.
  • the device 10 is used to attach bags 2 to a filler neck of a packing machine, not shown, and here comprises in the exemplary embodiment a storage table 7 and a plug-20, which receives the arranged on the tray table 7 in the receiving position 8 bags of a bag bundle 3 one after the other and the bag valve opens and attaches the bag on the filler neck of the packing machine.
  • the empty bag cell magazine 30 As an intermediate storage for the bags 2 is the empty bag cell magazine 30, which is arranged here in the embodiment at a different angle to the transport direction of the plug-on head 20 or the belt drive 13 of the device 10, for. meet certain space requirements or given space. This means that the conveying direction of the empty bag cell magazine 30 differs from the further transport device in the device 10, so that an angular conversion must take place. This is done here in the embodiment by means of a turntable 50 which is disposed between the tray table 7 and the empty bag cell magazine 30 and adjacent to both.
  • FIG. 7 shows in an enlarged side view schematically a portion of the empty bag cell magazine 30 and the tray table 7, and the turntable 50, the vertical pivot axis is not shown here.
  • FIG. 7 is shown in side view, as a bag bundle 3 at the transfer point of the empty bag magazine to the turntable is provided while in FIG. 9 this situation is shown in the supervision.
  • FIG. 8 is in a side view and in FIG. 10 in a plan view of the situation after the bag bundle 3 has been transferred from the cell 31 of the empty bag magazine 30 to the turntable 50 located in the transfer position 51.
  • the bag bundle 3 is here by means of a pivot member 52 which is pivotable about a horizontal axis, transferred from a first pivot position 53 in a second pivot position 54, wherein the radially outer part of the pivot member 52 includes driver elements 58 which grip the bag bundle 3 and from the empty bag magazine 30 pushes on the table, so that in FIG. 10 illustrated state, wherein the turntable 50 is aligned in a first rotational position 55, in which the teeth of the pivot members 52 can mesh with the slots 57.
  • the pivotable transport unit 60 of the belt drive 13 in the lower pivot position 62 to bring the driver 17 outside the pivoting range of the turntable 50, so that a safe Veschwenkung the turntable 50 about the rotation axis 59 from the first rotational position 55 in the second Turn position 56 and can follow back.
  • the pivotable transport unit 60 is provided with an adjustment unit 63 in order to pivot the transport unit 60 from the pivoting position 61 into the pivoting position 62 and back.
  • a slotted tray 47 is provided, which supports the bag bundle 3 from below when transferring a bag bundle 3 from the empty bag cell magazine 30 to the turntable 50.
  • the tray 47 is biased by a biasing device 40 in a normal operating position 41.
  • the preload device 40 releases in the event of an overload and activates the position sensor 42, which periodically provides for switching off the device 10 or at least its drive system.
  • the horizontal axis 39 serves as the pivot axis of the pivotable transport unit 60.
  • FIG. 11 the operating state is shown when the turntable has been pivoted to the second rotational position 56 and the bag bundle 3 can now be moved to the receiving position 8 on the tray table 7.
  • the pivotable transport unit 60 is moved after pivoting of the turntable 50 in the second rotational position 56 in the upper pivot position 61, in which the slots 57 are aligned in the turntable 50 with the belt 14 of the belt drive 13, so that the driver 17 on the belt 14th to mesh with the slots 57 in the turntable 50 and project through it, so that a bag bundle 3 located on the turntable can be transferred from the drivers 17 into the receiving position 8.
EP08016942A 2007-09-29 2008-09-26 Vorrichtung zum Aufstecken von Säcken auf einen Füllstutzen einer Packmaschine Active EP2042435B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007046777A DE102007046777A1 (de) 2007-09-29 2007-09-29 Vorrichtung zum Aufstecken von Säcken auf einen Füllstutzen einer Packmaschine

Publications (2)

Publication Number Publication Date
EP2042435A1 EP2042435A1 (de) 2009-04-01
EP2042435B1 true EP2042435B1 (de) 2012-03-14

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EP08016942A Active EP2042435B1 (de) 2007-09-29 2008-09-26 Vorrichtung zum Aufstecken von Säcken auf einen Füllstutzen einer Packmaschine

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EP (1) EP2042435B1 (es)
AT (1) ATE549253T1 (es)
DE (1) DE102007046777A1 (es)
ES (1) ES2383836T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303509B (zh) * 2013-07-04 2015-02-04 安徽远鸿机械自动化有限公司 一种具有理袋功能的套膜装箱机
DE102013111477A1 (de) * 2013-10-17 2015-04-23 Krones Aktiengesellschaft Verpackungsmaschine und verfahren zum beschicken einer verpackungsmaschine mit zuschnittsstapeln
CN109941511B (zh) * 2019-04-01 2024-04-26 唐山冀东装备工程股份有限公司 一种水泥包装插袋全自动上袋系统
CN110053954A (zh) * 2019-05-17 2019-07-26 无锡荣科达科技有限公司 一种多片状物件定时分批传递运输机及其方法

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GB804209A (en) * 1955-09-26 1958-11-12 Winkler Richard Improvements in or relating to apparatus for counting and bundling envelopes or the like
GB1479781A (en) * 1974-10-28 1977-07-13 Smidth & Co As F L Sack magazine
DE2526432C3 (de) * 1975-06-13 1984-03-08 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum Speichern und Zuführen von Ventilsäcken zu Füllmaschinen
US4411296A (en) * 1980-06-03 1983-10-25 W. G. Durant Corporation Valve bag placer
US4986731A (en) * 1985-06-24 1991-01-22 Hokkai Can Co., Ltd. Sheet handling apparatus
DK452385A (da) * 1985-10-04 1987-04-05 Dac Emballage Amba Fremgangsmaade og apparat til paasaetning af plastventilsaekke med fyldeventilen placeret paa saekkens ene side paa en fyldemaskines fyldestuds
DE3920582A1 (de) * 1989-06-23 1991-01-10 Haver & Boecker Vorrichtung zum aufstecken von zu fuellenden ventilsaecken auf die fuellrohre einer packmaschine
US5127209A (en) * 1990-11-15 1992-07-07 Kimberly-Clark Corporation Multi-purpose stacker with overlapping material handling devices
DE4116311C2 (de) * 1991-01-26 1996-05-23 Buehler Ag Vorrichtung zum automatischen Anhängen von Schüttgutsäcken
JP4204683B2 (ja) * 1998-12-25 2009-01-07 トタニ技研工業株式会社 シート状製品整列コンベヤ
IT1309470B1 (it) * 1999-01-29 2002-01-23 Ventomatic As Perfezionamenti alle macchine infilasacchi.
US20040112717A1 (en) * 2001-01-03 2004-06-17 Melville Richard Archer Loading fork and sweep conveyor

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DE102007046777A1 (de) 2009-04-02
ATE549253T1 (de) 2012-03-15
ES2383836T3 (es) 2012-06-26
EP2042435A1 (de) 2009-04-01

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