EP2276628B1 - Dispositif et procédé pour produire des sacs - Google Patents

Dispositif et procédé pour produire des sacs Download PDF

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Publication number
EP2276628B1
EP2276628B1 EP09727151.4A EP09727151A EP2276628B1 EP 2276628 B1 EP2276628 B1 EP 2276628B1 EP 09727151 A EP09727151 A EP 09727151A EP 2276628 B1 EP2276628 B1 EP 2276628B1
Authority
EP
European Patent Office
Prior art keywords
station
way
bottom opening
operating side
drive side
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
EP09727151.4A
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German (de)
English (en)
Other versions
EP2276628A1 (fr
Inventor
Christian HÄGER
Carsten Tausch
Uwe Köhn
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP2276628A1 publication Critical patent/EP2276628A1/fr
Application granted granted Critical
Publication of EP2276628B1 publication Critical patent/EP2276628B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/005—Making flexible containers, e.g. envelopes or bags involving a particular layout of the machinery or relative arrangement of its subunits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
    • B31B2150/0014—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom having their openings facing transversally to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/003—Flexible containers made from sheets or blanks, e.g. from flattened tubes made from tubular sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents

Definitions

  • the invention relates to an apparatus and a method for the production of sacks, which comprise fabrics of stretched plastic tapes, according to the preambles of claims 1 and 9.
  • the individual processing steps of the above-mentioned processing stations are usually performed at both ends of the tube piece. These stations are the same structure in the existing machines on the operator and drive side with respect to the processing stations.
  • a valve is placed on the open bottom on a bottom opening in the valve dispensing station.
  • the bag is later filled with a suitable filling member.
  • Zulegestation the bottom opening of the bag is folded, so that subsequently in the ground cover sheet station by welding the bottom opening thereof with a bottom cover sheet of the bag is completed.
  • the EP 1 253 005 A2 shows a modular machine for the production of bags. Due to this modular design, alternating or successive processing steps are carried out at the two ends of pieces of hose.
  • the WO 2004/058492 discloses a gluing station in a floor sorters for crossfloor bags wherein the gluing rollers on the operator side are at least partially offset from the gluing rollers on the drive side. These devices are therefore no longer mirror images of the operator and drive side.
  • the transport device is distributive, at least a first transport device, with which the hose pieces are conveyed in the transport direction, on the operator side and a second transport device, not or only partially overlapping with the first transport device to provide on the drive side.
  • the transport device is advantageously a double-belt conveyor comprising, for example, magnets.
  • the conveyor belts would overlap with these very small bag formats, if they were on both sides, over the entire Machine expansion in the x direction, would run.
  • the first transport device conveys the piece of hose along the processing stations of the first side (operator side or drive side). Subsequently, the bag is taken over by the second transport device and guided along the processing stations of the second (other) machine side.
  • the Fig. 1 schematically shows individual steps for processing a fabric tube to bags, as done in bag making device 1.
  • the fabric tube 2 is fed to the sack manufacturing device 1. This advantageously takes place by unwinding the fabric tube forming a lap 3 in a development device 4. Subsequently, the tube 2 undergoes the so-called opening in the opening station 5.
  • the fabric tube is guided around an inner tool around which separates the two layers, so that the layers, if they were glued together in one of the manufacturing steps of the tube, separate , Only with separate layers can it be ensured that the following production steps can be carried out properly. Afterwards, the separate material layers of the hose are put back on top of each other.
  • the fabric tube is now fed to the cross-cutting device 6, which separates the fabric tube into individual pieces of hose.
  • both ends of each tube piece are opened and the so-called bottom squares are laid.
  • valve station 9 a valve is placed and secured on one of the two open ends.
  • the open bottoms are now closed in the bottom closing station 10, wherein two tabs are placed on each other and each other permanently, for example by welding, are connected.
  • the conclusion of the actual Sackherstellreaes forms the application of a ground cover sheet on the floors in the cover sheet station 11.
  • the cover sheets can also be welded.
  • the finished bags are then placed on the bag stack 12 and transported away from there on unspecified manner.
  • the Fig. 2 shows details of an opening station 5 in a device according to the invention.
  • the tube pieces 13 are by means of a transport device not shown in the direction x on the surface of a support 14, for example, on the surface of a table, lying flat, so horizontally transported.
  • this end is first brought from the horizontal position to a vertical position.
  • the hose piece must be counteracted.
  • the hose piece 13 is threaded under a folding belt 16.
  • This folding tape can be relative to the hose pieces in peace and thus relative to the support in motion.
  • the hose pieces can also move relative to the folding belt 16. This is the case, for example, when the seam is at rest.
  • the rebate belt may consist of a flexible, but highly prestressed material. Preferably, however, these consist of steel sheets, which are connected in a manner not shown with the support 14 or with the machine frame. Steel sheets have the advantage over other components of a smaller thickness with the same load capacity. If the hose piece 13 is threaded, it is then guided past a guide element 17, for example a baffle.
  • the opening of the second end 15 'of the tube piece 13 takes place in the same way, but offset from the opening of the first end 15.
  • the first end is already opened in the bottom opening device 18, while the second end 15' is guided under the folding band 16 '.
  • the open bottom 19 ' is generated in the manner described above.
  • the piece of tubing with open bottoms 19, 19 ' is present, wherein all components of the opened bottoms are located substantially in the plane of the support 14.
  • each bottom opening device 18, 18 ' is supplied with torque by its own drive. This is illustrated by the motor 22 on the bottom opening device 18. The corresponding motor on the bottom opening device 18 'is not visible in the illustrated view.
  • the motor of a bottom opening device 18, 18 ' primarily supplies the suction bars with a drive torque, so that they can move the material layers away from one another. Also, the spreading elements are powered by this engine with torque.
  • FIG. 3 shows the view III-III in FIG. 2 , In this FIG. 3 Details of the floor opening station 8 can be seen.
  • suction strips are provided, of which the suction strip 20 facing the viewer can be seen.
  • suction pad 20 sucker are arranged, the viewer facing side of the end 15 of the hose piece 13 to capture.
  • the folded ends 15 of the hose pieces 13 have different heights H.
  • they should engage as close as possible to the upper end of the end 15.
  • the suction pads 20, 20 'on vertical guides 21, 21' releasably secured, so that the suction pads in the direction of the double arrow y along the folded ends 15 can be moved and adjusted according to their heights H.
  • the guides can be made in various ways. These can be round or rectangular profiles that are solid or hollow.
  • the Fig. 4 shows the view IV - IV from the FIG. 3 , In addition to the front suction bar 20 and the front guide 21, the suction bar 20 'and the guide 21' can now be seen.
  • FIG. 5 shows the view V - V of FIG. 2 ,
  • the pressure roller 23 is mounted in a lever arm 25 or in a Hebelarmcru.
  • the lever arm 25 itself is pivotally mounted in the machine frame or in attachments 26 of the machine frame.
  • the lever arm 25 about an axis 27 which is fixedly connected to attachments, pivotable and fixable on this axis.
  • a suitable, but not shown clamping device may be provided.
  • lever arm is freely rotatably mounted on the axle 27.
  • lever arm 25 is fixedly connected to a shaft which is rotatably mounted in the attachments.
  • the pressure roller 23 can now act on the opened trays with a predetermined force, for example its own weight.
  • the support 14 which in the FIG. 2 shown serve.
  • a counter-pressure roller 24 with which the pressure roller 23 forms a nip in which the open trays 19 are compressible.
  • the counter-pressure roller can be rotatable, but arranged fixed to the frame.
  • FIG. 6 shows an inventive embodiment of a sack making machine.
  • the individual processing stations are shown here only schematically.
  • the tube section 13 is guided transversely to its longitudinal axis, which runs in the z-direction, in the x-direction initially along a bottom opening station 8 on the operating side BS.
  • the associated pressure roller 23 smoothes the newly formed blind opening. While the tube piece is still being transported in the x-direction, a bottom opening 19 'is formed at its second end 15' by a bottom opening station 8 'on the drive side AS. This 8 'is arranged in the x-direction offset to the bottom opening station 8 of the operator side.
  • the associated pressure roller 23 ' also smoothes the currently open bottom 19'.
  • the piece of hose is guided to a valve dispensing station 9, which applies a valve to the bottom opening 19, through which later, with the aid of a suitable filling member, the filling material can be introduced into the bag.
  • Deviating from the FIG. 6 can also be the valve dispensing station 9, which is arranged only on one side, preferably the operating side, opposite one of the bottom opening stations 8, 8 'may be arranged.
  • the valve pad station 9 so opposite or at least partially overlapping the bottom opening station 8 '. In this configuration it is possible to produce bags with very small center spacings. In addition, the device comes out with the smallest possible length.
  • the bottom openings 19, 19' then folded before in the bottom cover sheet station 11, 11 'the cover sheets with selbigen 19, 19' welded or glued with a suitable adhesive (extrudate, cold glue, etc.).
  • the two Zulegestation 10, 10 ' are arranged opposite each other in the present embodiment. The same applies to the two bottom cover sheet stations 11, 11 '.
  • FIG. 7 shows a further embodiment of the invention a sack manufacturing machine 1.
  • the tube pieces 13 are first transversely to its longitudinal axis in the x-direction, using a first transport device 30, one after the other to the processing stations 8, 9, 10, 11, which 30 on the operator side BS of Machine 1 is located.
  • a closed bag bottom is formed with valve on the hose piece 13 - at its end 15.
  • the semi-finished bag is transferred to a second transport device 31, which is located on the drive side AS of the machine 1.
  • the processing stations 8 ', 10', 11 ' the other end 15' of the tube piece 13 or the half-finished bag is formed into a finished bag bottom.
  • This embodiment enables the production of very small bag formats. In these small formats, the conveyor belts of the transport devices 30 and 31 would overlap if they were to run on both sides over the entire machine extension in the x direction.
  • a machine according to the embodiment in FIG. 7 is flexible for even the smallest bag formats. Due to the staggered construction of the processing stations, it is possible to move the operating and drive side of the machine towards each other, so that very small bag sizes can be made.
  • FIG. 8 shows a further embodiment according to the invention of a device 1 for the production of sacks.
  • the similar processing stations 8, 8 ', 10, 10', 11,11 ' are arranged alternately offset on the operator and drive side.
  • This zipper-shaped arrangement of the processing stations 8, 8 ', 10, 10', 11,11 ' is only interrupted by the valve station 9, which is arranged between the bottom opening and feed station 10 on the operator side BS.
  • all processing steps for bag production on the tube piece 13 are performed alternately first on the operator side BS and then on the drive side AS. By this arrangement, all processing stations are easily accessible for maintenance purposes.

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  • Making Paper Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Claims (9)

  1. Dispositif (1) destiné à la fabrication de sacs à partir de pièces de flexibles (2) lesquelles (2) comprennent un textile en bandelettes de matière plastique étirées et qui sont constituées de deux bandes de matière superposées, au moins les installations suivantes étant prévues :
    - un dispositif de transport, à l'aide duquel les pièces de flexible (2) peuvent être convoyées en position horizontale dans une direction de transport (x), qui s'étend à la transversale de leur direction d'extension (z),
    - un poste d'ouverture (3) des fonds, à l'aide duquel (3), sur au moins une extrémité (5) d'une pièce de flexible (2), des carrés de fond (5) ouverts peuvent être créés,
    - un poste de remmoulage (7), à l'aide duquel (7) les fonds (4) ouverts au poste d'ouverture (3) des fonds peuvent être repliés,
    - un poste (8) de feuilles de couverture des fonds, à l'aide duquel (8) une feuille de couverture des fonds peut être appliquée pour fermer le fond des sacs
    caractérisé en ce que
    - le poste d'ouverture (3) des fonds, avec lequel le carré de fond ouvert peut être créé sur une extrémité de la pièce de flexible (2), est placé sur le côté d'entraînement (AS) en étant au moins partiellement décalé sur le côté opérateur (BS) par rapport au poste d'ouverture (3') des fonds, à l'aide duquel le carré de fond ouvert peut être créé sur la deuxième extrémité de la pièce de flexible (2), le poste d'ouverture (3) des fonds étant placé en amont sur le côté opérateur (BS), dans à direction de transport (x) du poste d'ouverture (3') des fonds, et
    en ce qu'il est prévu un poste (9) de manchettes de valve, placé sur un seul côté, celui-ci étant placé sur le côté opérateur.
  2. Dispositif (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    seuls les postes d'ouverture (8, 8') des fonds sont placés sur le côté opérateur (BS) et sur le côté d'entraînement (AS) en étant décalés au moins partiellement les uns par rapport aux autres.
  3. Dispositif (1) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le poste (9) de manchettes de valve est placé sur le côté opérateur (BS), à l'opposé du poste d'ouverture (8') des fonds, sur le côté d'entraînement (AS).
  4. Dispositif (1) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les postes d'usinage (3, 6, 7, 8) sur le côté opérateur (BS) et les postes d'usinage (3', 6', 7', 8') du même type du côté d'entraînement (AS) sont placés en étant totalement décalés les uns par rapport aux autres (en forme de fermeture éclair).
  5. Dispositif (1) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    d'abord les postes d'usinage (3, 6, 7, 8) sont placés successivement sur le côté opérateur (BS) et les postes d'usinage (3', 6', 7', 8') de même type sont placés en étant totalement décalés sur le côté d'entraînement (AS).
  6. Dispositif (1) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    d'abord les postes d'usinage (3', 6', 7', 8') sont placés successivement sur le côté d'entraînement (AS) et les postes d'usinage (3, 6, 7, 8) de même type sont placés en étant totalement décalés sur le côté opérateur (BS).
  7. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'au moins un premier dispositif de transport, à l'aide duquel les pièces de flexible (2) peuvent être convoyées dans la direction de transport (x), est prévu sur le côté opérateur(BS) et un deuxième dispositif de transport est prévu sur le côté d'entraînement (AS), en ne chevauchant que partiellement le dispositif de transport.
  8. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'au moins un premier dispositif de transport, à l'aide duquel les pièces de flexible (2) peuvent être convoyées dans la direction de transport (x) est prévu sur le côté opérateur (BS) et un deuxième dispositif de transport est prévu sur le côté d'entraînement (AS), en ne chevauchant pas le premier dispositif de transport.
  9. Procédé destiné à la fabrication de sacs à partir de pièces de flexibles (2) lesquelles (2) comprennent un textile en bandelettes de matière plastique étirées et qui sont constituées de deux bandes de matière superposées, les installations suivantes étant prévues :
    - au moins un dispositif de transport, à l'aide duquel les pièces de flexible (2) peuvent être convoyées en position horizontale dans une direction de transport (x) qui s'étend à la transversale de leur direction d'extension (z),
    - au moins un poste d'ouverture (3) des fonds, à l'aide duquel (3) sur au moins une extrémité (5) d'une pièce de flexible (2) des carrés de fond (5) ouverts peuvent être créés,
    - au moins un poste (6) de manchettes à valve, à l'aide duquel (6) une manchette à valve est apposée sur le carré de fond,
    - au moins un poste de remmoulage (7), à l'aide duquel (7) les fonds (4) ouverts au poste d'ouverture (3) de fonds peuvent être repliés,
    - au moins un poste (8) de feuilles de couverture des fonds, à l'aide duquel (8) une feuille de couverture d'un fond peut être appliquée pour fermer le fond d'un sac caractérisé en ce que
    - le poste d'ouverture (3) des fonds, avec lequel le carré de fond (19) ouvert peut être créé sur une extrémité de la pièce de flexible (2), est placé sur le côté d'entraînement (AS) en étant au moins partiellement décalé sur le côté opérateur (BS) par rapport à un poste d'usinage (3', 6', 7', 8') de même type, à l'aide duquel le carré de fond (19') ouvert est créé sur la deuxième extrémité de la pièce de flexible (2), avec le poste d'ouverture (3) des fonds sur le côté opérateur (BS) étant d'abord formé le carré de fond (19) et ensuite à l'aide du poste d'ouverture (3') des fonds, sur le côté d'entraînement, étant créé le carré de fond (19') ouvert sur la deuxième extrémité de la pièce de flexible et
    - en ce qu'avec un poste (9) de manchettes de valve placé uniquement sur le côté opérateur, avec lequel une valve est apposée sur le carré de fond (19) ouvert.
EP09727151.4A 2008-04-03 2009-03-30 Dispositif et procédé pour produire des sacs Active EP2276628B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008017446A DE102008017446A1 (de) 2008-04-03 2008-04-03 Vorrichtung und Verfahren zur Herstellung von Säcken
PCT/EP2009/053740 WO2009121836A1 (fr) 2008-04-03 2009-03-30 Dispositif et procédé pour produire des sacs

Publications (2)

Publication Number Publication Date
EP2276628A1 EP2276628A1 (fr) 2011-01-26
EP2276628B1 true EP2276628B1 (fr) 2016-09-28

Family

ID=40600534

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09727151.4A Active EP2276628B1 (fr) 2008-04-03 2009-03-30 Dispositif et procédé pour produire des sacs

Country Status (8)

Country Link
US (1) US8597167B2 (fr)
EP (1) EP2276628B1 (fr)
JP (1) JP5671447B2 (fr)
CN (1) CN101983125B (fr)
AT (1) AT10628U3 (fr)
BR (1) BRPI0910899B1 (fr)
DE (1) DE102008017446A1 (fr)
WO (1) WO2009121836A1 (fr)

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US9205957B2 (en) * 2010-08-25 2015-12-08 Windmoeller & Hoelscher Kg Sack and method and device for producing sacks
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AT512806B1 (de) 2012-04-23 2014-01-15 Bsw Machinery Handels Gmbh Gewebe für die Herstellung von Säcken
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IN2014DE01417A (fr) * 2014-05-29 2015-06-26 Ashok Chaturvedi
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DE102016207567A1 (de) * 2016-05-03 2017-11-09 Windmöller & Hölscher Kg Transporteinrichtung und Verfahren zum Transport von Säcken oder Beuteln sowie Vorrichtung zur Herstellung von Säcken oder Beuteln
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CN107150460A (zh) * 2017-06-22 2017-09-12 江苏万乐复合材料有限公司 一种双层包装袋双工位自动多功能一体机
CN107498924A (zh) * 2017-08-09 2017-12-22 蔡任文 一种自封口塑料袋及其制作方法
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DE102019107467A1 (de) * 2018-07-06 2020-01-09 Windmöller & Hölscher Kg System und Verfahren zur Bearbeitung von Schlauchstücken
CN108909032A (zh) * 2018-08-21 2018-11-30 安庆市天润纸塑包装有限责任公司 一种医用灭菌袋生产加工用定长截断装置
CN109159483B (zh) * 2018-08-30 2024-04-12 浙江正威机械有限公司 塑料立体袋片料的底部打开装置
CN109572050B (zh) * 2018-11-06 2023-10-03 遵义商百惠印刷有限公司 一种自动纸袋成型机
CN110466198A (zh) * 2019-08-01 2019-11-19 中山市鸿之远工业机器人有限公司 一种包装袋烫底设备
CN110667183B (zh) * 2019-10-18 2021-11-30 温州国强机械有限公司 一种阀口袋全自动生产线的折叠装置
CN115697686A (zh) * 2020-05-11 2023-02-03 洛希亚有限公司 用于打开管状织物件的端部以制作方底袋的设备和方法

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JP2011516304A (ja) 2011-05-26
AT10628U3 (de) 2010-01-15
BRPI0910899A2 (pt) 2015-09-29
US8597167B2 (en) 2013-12-03
EP2276628A1 (fr) 2011-01-26
WO2009121836A1 (fr) 2009-10-08
CN101983125A (zh) 2011-03-02
DE102008017446A1 (de) 2009-10-15
CN101983125B (zh) 2014-12-31
AT10628U2 (de) 2009-07-15
JP5671447B2 (ja) 2015-02-18
US20110053747A1 (en) 2011-03-03
BRPI0910899B1 (pt) 2020-04-28

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