EP3787980A1 - Dispositif et procédé destinés à emballer des produits en vrac dans des sacs ouverts - Google Patents

Dispositif et procédé destinés à emballer des produits en vrac dans des sacs ouverts

Info

Publication number
EP3787980A1
EP3787980A1 EP19726314.8A EP19726314A EP3787980A1 EP 3787980 A1 EP3787980 A1 EP 3787980A1 EP 19726314 A EP19726314 A EP 19726314A EP 3787980 A1 EP3787980 A1 EP 3787980A1
Authority
EP
European Patent Office
Prior art keywords
open
filling
bag
conveyor
sack
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.)
Pending
Application number
EP19726314.8A
Other languages
German (de)
English (en)
Inventor
Christian ROLF
Dominik BLESS
Heinz-Peter Felling
Christian HINSE
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 EP3787980A1 publication Critical patent/EP3787980A1/fr
Pending legal-status Critical Current

Links

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
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • 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
    • B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/20—Reducing volume of filled material
    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/06—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers adapted to support containers or wrappers
    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/14—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable with a moving container or wrapper during filling or depositing
    • 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
    • B65B41/02—Feeding sheets or wrapper blanks
    • B65B41/10—Feeding sheets or wrapper blanks by rollers
    • 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
    • B65B43/04—Forming flat bags from webs

Definitions

  • the present invention relates to an apparatus and a method for filling bulk materials into open sacks.
  • a device can be designed, for example, as a form-fill-seal system (FFS).
  • FFS plant provides the for the
  • the device and the method are used in particular for filling bulk materials, in which a certain amount of air with enters the open sack, which during or after the filling at least partially back out of the
  • DE 199 33 486 02 discloses a device for filling and closing unilaterally open and preferably with gussets
  • sacks Here is a filling station with a
  • Filler provided for filling the bags and a force acting on the bottom of the Offensack vibrator.
  • Various grippers are used for transporting the empty open sacks, for holding the open sacks in the filling station and for transporting the filled open sacks.
  • Below the filling station begins a conveyor belt for supporting and transporting the filled open sacks.
  • Conveyor belt has one around two pulleys and over two
  • an open bag is attached to the filler neck.
  • the length of the open sack is dimensioned such that the bottom end of the open sack on the swung part of the
  • the conveyor belt does not begin below the filler neck, but is arranged downstream of the filler neck.
  • a Bodenrüttler is provided below the filling , which is designed to be raised and lowered overall. This can be lowered before starting the filling in this known device, the Bodenrüttler.
  • the bottom end of the offensive bag to be filled then also hangs freely above the bottom vibrator at the beginning of the filling. As a result, the product push first entering the open sack opens the bottom end of the product
  • the inventive method is used for filling of
  • Bulk goods in open sacks and comprises the following steps in this or another suitable order: a) an open sack is moved by an at least partially upward movement from below to a filler neck of a
  • the filler neck with the attached open sack is placed on a base and lowered in particular on a conveyor (as a support).
  • a conveyor as a support
  • the bottom end of the offensive bag is supported during at least one (substantial) part of the filling process from below, in particular by the underlay or the conveying device.
  • the bottom end of the offensive bag is supported in particular while product still enters the open sack.
  • the method according to the invention has many advantages.
  • Positioning conveyor which removes the filled open bag after filling.
  • the open sack is introduced with a pivoting movement from below, so that in step a) the filler neck dips into the open sack. It is likewise preferred that the filler neck then completely opens the open sack in method step a).
  • Method step a) it is preferred that the opening bag is gripped at the top of the open bag by a set of feed grippers and transported to the filler neck.
  • open sack is understood to mean a specific type of sack and not the condition of the sack, so that a (still open) open sack is regularly closed after filling by a top seam in the
  • the invention is particularly intended for use in the high and high performance range, with more than 1800 bags per hour and in particular more than 2400 bags per hour and more preferably more than 2500 or 2600 or 2700 bags or more per hour (produced and) filled ,
  • the filling of the bulk material at such speeds takes only about 0.4 to about 0.8 seconds, since the remaining cycle time for attaching the empty offensive bag and for removing the filled offensive bag is needed.
  • At such fast cycle times are high acceleration forces during transport of the filled
  • a driven conveyor below the filler neck, on which the filled open bag with its bottom of the bag gets up, allows a considerably simpler acceleration than the use of pusher flaps, which pull off a filled open bag from a bottom vibrator.
  • a "bag” in the sense of the present application is always understood as an "open bag”.
  • step c) the filler neck with the attached open bag is lowered onto a base and in particular a conveyor, where the
  • Loading bulk material is lowered into the open bag. It is possible that the lowering process is started before the flow of bulk material is started. Essential in the sense of
  • the bulk material reaches the bottom end of the bag before the bottom end of the bag
  • the bulk material is compressed in the stationary on the conveyor opener bag during the filling process, in particular at least from below. This can be done in the
  • Conveyor at least one compression device to be integrated or incorporated therein, which already acts during the filling process from below on the base of the conveyor, for example, vibrating to the bulk material in the
  • the holding grippers are
  • the holding grippers ensure that the top end of the open sack and the area of the side gussets maintain their defined shape and the filled open sack can then be further defined. This is important so that as little bag material as possible is needed.
  • the holding gripper give the
  • the open sack is transported further after the filling end by means of the conveyor.
  • the drive for such a transport can be easily realized.
  • the open-sack is formed from a tubular film before being attached. It is preferred that the tubular film is unwound here from a film roll. Preferably, a bottom seam is first introduced into the tubular film and the tubular film is then further by a cycle length and in particular a bag length
  • the tubular film is cut off at the head end to form an open sack.
  • a separate bottom seam cooling can be provided so that high speeds are possible.
  • Attach to the filler neck pre-opened or opened This can be done for example via lateral suckers that pre-open the open bag defined at the head.
  • Opening station (Vorötechnischsstation) is the open bag
  • open holders having a profile preferably corresponding to the filler neck keep the open sacks open. If the open bag is only pre-opened, preferably a complete opening is made at the filler neck or through the
  • the filler neck is designed as a valve neck and in an at least
  • the filler neck can also be used as a fixed (or not aufklappbarer
  • Filler neck) formed and z. B. be executed as a hexagonal socket.
  • a device according to the invention is used for filling (and preferably also for producing and closing) open cheeks which are preferably provided with gussets.
  • the device according to the invention is provided in particular for carrying out the method or a method described above.
  • the device according to the invention comprises a control device and a filling station having a filling nozzle for filling the open sacks with bulk goods.
  • a plurality of grippers are provided, wherein the (plurality of) grippers are feed grippers for holding the empty open sacks when being transported to the filling station, holding grippers for holding the open sacks in the filling station and discharge grippers for holding the filled sacks at
  • the device according to the invention further comprises a conveying device extending below the filling station for supporting the open sacks and for transporting and, in particular, removing the filled articles
  • the filler neck is received together with the holding grippers on a height-adjustable carrying device.
  • the filling station is suitable, the
  • the filling station is further adapted to lower the carrying device with an offensive bag attached thereto during the filling process, so that the
  • the filling station is suitable
  • the device according to the invention has many advantages.
  • a significant advantage of the device according to the invention is that a bag to be filled first to a
  • the filling station is suitable, the
  • the filling station is adapted to the support
  • the attachment of an offensive bag to be filled takes place in an at least partially raised position.
  • the attachment can also be done while the filler neck is already moving down.
  • the filling station is suitable, the
  • control device and the filling station are designed and set up to
  • the conveyor preferably has a run around (at least two) pulleys. Such a dream is
  • a strand can also be designed as a conveyor chain, slat belt or conveyor belt or the like.
  • At least one compression device is included.
  • the compression device is arranged on the conveyor or received therein.
  • the compression device is arranged below a support surface of the conveyor.
  • the compression device is in particular designed to act on the (or a part of) the support surface of the conveyor (and thus on a raised bottom of a bag Sackensacks).
  • the compacting device acts in particular directly on the run of the conveyor. But it is also possible that the compression device acts indirectly on the strand and thus the support surface of the conveyor, or acts through the strand directly on the bag bottom. This can z. B. in linear or strip-shaped funding such as belts or z. B. chains can be realized.
  • Compression device then preferably acts in the free spaces between the conveying means, in particular directly on the bottom end. In this case can be applied to the conveyor driver at predetermined intervals.
  • the filling station preferably comprises a drive for raising and lowering the carrying device. About the drive of the filler neck and the holding grippers are raised or lowered. In all embodiments, it is preferred that the feed grippers and the removal grippers (and preferably further grippers) are fastened to a support frame of a transport device.
  • Transport device can be designed as a linear transport.
  • the transport device comprises pendulum arms and a pendulum drive. This will be a Vorschwenken and a
  • the support frame is in the vorwenkten and the
  • the open bag is attached to the filler neck via a pendulum movement of a pendulum unit.
  • Pendulum movement of the open bag is pivoted from a lower position to the filler neck upwards. In this case, a movement takes place with a horizontal and a vertical component.
  • the pendulum unit may be attached to the support frame of the transport device, but may in particular also be attached separately therefrom.
  • the Vorö Stammsstation or Sackvorötechnischsstation is particularly associated with the pendulum unit for attaching the Offensacks.
  • the Sackvorötechnische is in the
  • a processing station can be designed as a bag formation station and a further processing station can be designed as a bag opening station or bag opening station. Regularly is one
  • Filling station provided. At the filling station can be a
  • Filler neck formed as a valve neck and is particularly suitable to immerse in a (pre-opened) open bag. In all embodiments, it is preferred that the
  • Height adjustable conveyor is to be adapted to different bag dimensions. It is not necessary to adjust the height of the conveyor for each individual open bag to be filled. It is also not possible to
  • Receiving at least one tubular film roll comprises.
  • a bottom seam station for producing a bottom seam and / or a top seam station for closing the offensive bag are included.
  • At least one cooling station may be included for cooling a closing seam.
  • a closure seam may be a bottom seam or even a top seam and, in particular, be designed as a welded seam.
  • welding jaws are present.
  • Figure 1 shows the device according to the invention in a schematic
  • FIG. 2 shows the device according to FIG. 1 in a second position after the attachment of an open sack
  • FIG. 3 shows the device from FIG. 1 in a third position
  • Figure 4 is a highly schematic horizontal cross section through the filling station;
  • Figure 5 is a side view of another filling station;
  • FIG. 6 shows the device according to FIG. 1 in a fourth position
  • Figure 7 is a schematic view of a pendulum unit with a
  • FIGS. 1 to 4 each show the same device in a schematic lateral cross section in different positions or states. In this case, components and parts of the real device have been omitted in all figures in order to facilitate the overview. Although Figures 1, 2, 3, 6 and 7 show the same
  • the device 1 shown in FIGS. 1, 2, 3 and 6 serves for filling bulk materials into open sacks 2.
  • the open sacks 2 are preferably produced in a sack formation station 27 of the device 1.
  • the device 1 comprises a roller receptacle 24 for a tubular film roll 25. Die
  • Roller receptacle 24 may be mounted on the device 1 or placed separately in front of it.
  • the device 1 comprises a frame 40 on which the
  • a bottom seam station 29th At the bag forming station 27 is a bottom seam station 29th
  • the sack is cut at the head end with the cutting blade 33 (see FIG cut so that a separate to be filled Offensack 2 is available.
  • the open bag 2 is held by gripper 10 (empty bag gripper). Meanwhile, the bottom seam of the offset bag 2 can be cooled at the cooling station 28, so that the bottom seam the required stability for the amount of
  • the bag forming station 27 close different
  • Processing stations including in particular the
  • the transport device 20 comprises a
  • the support frame 21 is held by two pendulum arms 22 between two pivotal positions pendulum.
  • a pendulum drive 23 in the form of an electric motor, via an eccentric 19 the
  • the filling station 5 comprises a drive 18 for raising and lowering the carrying device 8.
  • a separate pendulum unit 44 may be connected upstream, to which the pre-opening station 39 and feed gripper 11 are attached.
  • the pre-opening station 39 opens the open sacks and hangs by a pivoting movement the pre-opened open sacks
  • the drawn open sack 2 can be attached following the filler neck 6, which is embodied here as a flap nozzle 26.
  • Zuschgreifer 11 is previously in the pre-pivoted position shown in FIG. 1, the drawn open sack 2 can be attached following the filler neck 6, which is embodied here as a flap nozzle 26.
  • the head end 30 of the Offensacks 2 by means of z. B. suction pads (pre-) is opened.
  • the feed gripper 11 and the pre-opening station 39 can be used in all configurations (as shown in FIG.
  • Embodiment be identical.
  • first feed grippers 11 first bring the empty bag into a further cooling station 28 and the pre-opening station 39 takes over (as further or with further feed grippers 11) with the
  • the bottom end 9 of the offset bag 2 hangs above the base 45 (see Fig. 3) and here the conveyor 7.
  • the filler neck 6 is located in those shown in Figures 1 and 2
  • the conveyor 7 is arranged to adjust and adjust different bag lengths via a height adjustment 38 height adjustable on the frame 40.
  • the conveyor device 7 is not moved at each filling in height, which allows a much simpler drive and a much simpler version of the height adjustment.
  • the conveyor 7 can also be arranged separately on the floor.
  • the conveyor 7 comprises a strand 15, which is designed in particular as a conveyor belt.
  • the surface of the strand 15 forms here a support surface 17 for example, filled open sacks. 2
  • the strand 15 is deflected by pulleys 14. To drive an electric motor 37 are used.
  • the conveyor 7 extends below the
  • the compression device 16 is in such a case on the
  • Conveyor 7 acts. This makes it possible that (after lowering the filler neck) on the
  • Compressor 16 is processed. As a result, the bulk material in the open sack 2 can already be during the
  • the open bag 2 is attached to the flap nozzle 26, as Figure 2 shows.
  • the tips of the valve body already dive into the pre-opened
  • the flap pipe 26 is further opened, so that the filling process can start.
  • the flap pipe is located together with the support means 8 and the holding grippers 12 in the raised position 34.
  • the support means 8 is still in the raised position 34.
  • the bottom end 9 of the offset bag 2 is suspended.
  • a lowering of the carrying device 8 can be initiated subsequently or beforehand, so that the bottom end 9 of the offensive sack 2 is supported by the conveying device 7 as quickly as possible after the bottom end 9 of the offensive sack 2 unfolds.
  • Figure 4 shows a horizontal cross section through the
  • the holding grippers 12 are shown here in the closed state and grip the gussets 3 of the offset bag 2 to the open bag 2 in the filling process
  • Holding gripper 12 are pivoted so far outward that a to be filled open bag between the holding grippers 12 removed (and transported) can be.
  • FIG. 5 shows another variant in which the holding grippers 12 are not vertical but horizontal axes 36
  • the holding grippers 12 are pivotable.
  • the holding grippers 12 are within the
  • Carrying device 8 pivotally and serve in turn for
  • FIG. 6 shows a schematic lateral cross section of the device from FIG. 1, wherein a filled open sack 2 is drawn in a schematic manner.
  • Supporting means including filler neck 6 and holding grippers 12 is taken shortly after the start of filling, so that the bottom end 9 of the open bag 2 to be filled can already be processed by the compacting device 16 during a substantial part of the filling process, in order to effect an effective compression of the bulk material to be filled.
  • the filled open bag is closed and transported away by the conveyor 7.
  • Filler 6 is moved up to the raised position 34, so when attaching the following to be filled
  • FIG. 7 shows a highly schematic side view of the pendulum unit 44 with the pendulum unit 44 attached thereto
  • Pre-opening station 39 has been pre-opened. With a pivoting or pendulum movement, the pre-opened open bag 2 is here pivoted to the right and up, so that the pre-opened open bag 2 is slipped over the filler neck 6 from below. Relatively speaking, the filler neck 6 dives from above into the pre-opened open sack 2. By opening the valve body is the
  • the device according to the invention and the method according to the invention offer great advantages, since in a simple manner by a single and per cycle "simple
  • the conveyor can and should be placed below the filler neck so that there arranged
  • Compressing device acts on the bottom end of the opening bag already during the filling. It is not necessary for that
  • Execute conveyor belt hinged as is the prior art. It is sufficient to lift the filler neck with the attached open bag again and start the filling process. During the filling process, the opening bag is lowered back onto the conveyor and the compacting device contained therein. It has even been found that the drive for lifting the filler neck including the holding gripper does not need to be made stronger than the drive for lifting the filler neck, the has been used until now, although now the support means 8 holds not only the filler neck 6 and the empty open bag 2 during the filling process, but also a considerable amount of bulk material before the partially filled open bag is turned off on 2 of the conveyor 7.
  • pusher flaps are no longer needed to pull off the open bag 2 from a separate vibrator.
  • the drive for the transport device is no longer so heavily loaded.
  • the drive for the conveyor 7 does not have to be designed stronger, as previously a filled bag had to be accelerated.
  • Another advantage is that a separate drive for lifting and lowering a compacting device is no longer necessary. It is not necessary for the compacting device to operate
  • the compression device can be integrated in the conveyor or in the Sackaustrageband and can be positioned there directly under the upper strand.
  • a significant advantage is that the conveyor is designed to be static overall and there is no fold-down share.
  • control device 26 flap nozzle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Basic Packing Technique (AREA)

Abstract

L'invention concerne un dispositif et un procédé destinés à emballer des produits en vrac dans des sacs ouverts (2), dont les étapes consistent : a) en ce qu'un sac ouvert (2) est suspendu par le bas à un support de remplissage (6) d'une station de remplissage par un mouvement dirigé au moins partiellement vers le haut de sorte que l'extrémité de fond (9) du sac ouvert (2) pende librement ; b) en ce que le processus de remplissage est démarré et que le produit en vrac est introduit dans le sac ouvert (2) de sorte que l'extrémité de fond (9) pendant librement du sac ouvert (2) se déplie ; c) en ce que le support de remplissage (6) est abaissé de sorte que l'extrémité de fond (9) dépliée du sac ouvert (2) repose en bas.
EP19726314.8A 2018-05-03 2019-05-02 Dispositif et procédé destinés à emballer des produits en vrac dans des sacs ouverts Pending EP3787980A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018110637.8A DE102018110637A1 (de) 2018-05-03 2018-05-03 Vorrichtung und Verfahren zum Abfüllen von Schüttgütern in Offensäcke
PCT/EP2019/061292 WO2019211398A1 (fr) 2018-05-03 2019-05-02 Dispositif et procédé destinés à emballer des produits en vrac dans des sacs ouverts

Publications (1)

Publication Number Publication Date
EP3787980A1 true EP3787980A1 (fr) 2021-03-10

Family

ID=66647358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19726314.8A Pending EP3787980A1 (fr) 2018-05-03 2019-05-02 Dispositif et procédé destinés à emballer des produits en vrac dans des sacs ouverts

Country Status (5)

Country Link
US (1) US20210188469A1 (fr)
EP (1) EP3787980A1 (fr)
CN (1) CN112334392B (fr)
DE (1) DE102018110637A1 (fr)
WO (1) WO2019211398A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN114044205B (zh) * 2021-11-29 2023-01-06 宁波泰科威橡胶科技有限公司 一种包装机
CN114455343B (zh) * 2022-03-24 2024-04-12 杭州市仁和粮食储备有限公司 一种包装粮卸包系统

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DE102018110637A1 (de) 2019-11-07
CN112334392A (zh) 2021-02-05
US20210188469A1 (en) 2021-06-24
CN112334392B (zh) 2023-10-27
WO2019211398A1 (fr) 2019-11-07

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