EP1597059A1 - Procede pour produire des sachets - Google Patents

Procede pour produire des sachets

Info

Publication number
EP1597059A1
EP1597059A1 EP04710870A EP04710870A EP1597059A1 EP 1597059 A1 EP1597059 A1 EP 1597059A1 EP 04710870 A EP04710870 A EP 04710870A EP 04710870 A EP04710870 A EP 04710870A EP 1597059 A1 EP1597059 A1 EP 1597059A1
Authority
EP
European Patent Office
Prior art keywords
tube
film
sack
bag
formation
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.)
Withdrawn
Application number
EP04710870A
Other languages
German (de)
English (en)
Inventor
Uwe Köhn
Konrad Tetenborg
Jan Thorsten Weber
Siegfried Maneke
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 EP1597059A1 publication Critical patent/EP1597059A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides
    • 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
    • B31B2150/002—Flexible containers made from sheets or blanks, e.g. from flattened tubes by joining superimposed sheets, e.g. with separate bottom 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
    • B31B2155/00—Flexible containers made from webs
    • 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
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/003—Flexible containers made from webs starting from tubular webs
    • 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
    • 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
    • B31B2170/00—Construction of flexible containers
    • B31B2170/10—Construction of flexible containers interconnected
    • 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
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
    • B31B70/266—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement involving gusset-forming
    • 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
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
    • 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
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/644—Making seals parallel to the direction of movement, i.e. longitudinal sealing
    • 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
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/94—Delivering singly or in succession
    • B31B70/946—Delivering singly or in succession the bags being interconnected
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1303—Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
    • Y10T428/1307—Bag or tubular film [e.g., pouch, flexible food casing, envelope, etc.]

Definitions

  • the invention relates to a method for producing sacks. Protection for the film tube wrap is also sought.
  • FFS machines form, fill and seal machines
  • film tubes are formed for processing on the FFS machines by blown film extrusion, the format (here the scope) of which corresponds to that of the sack formed.
  • this procedure means that expensive format changes have to be carried out relatively often in the extrusion systems in order to be able to implement different sack formats.
  • they are used for bag formation required formats relatively small and can be generated relatively uneconomical. Blown film lines of larger format produce the same film at a lower cost per unit area.
  • tube pieces for the production of high-quality sacks are also produced.
  • gusseted bags or sacks from tubular pieces which are formed from a plurality of film sections.
  • the edges of the respective film sections are welded together for this purpose. This process is carried out between welding jaws, which lock the material to be welded during the welding process.
  • tubular pieces are already produced in this way, the length of which corresponds to that of the later bags.
  • the pieces of tubing formed are brought to the later bag length immediately after they have been produced and are supplied in individual forms to bag-forming and filling devices.
  • This way of forming high quality sacks is well known in the pet food sector, for example.
  • both the transport of individual pieces of hose and the introduction of the same into a sack formation and filling process are complex. It usually takes place with rotary feeders or other suction devices, which grip the tube pieces individually and feed them to the bag forming device. Such devices are expensive and prone to failure.
  • the object of the present invention is to propose a method for producing bags according to the preamble of claim 1, in which the feeding of the tube material is easier.
  • This object is achieved in that the material necessary for bag formation in the form of a film tube (25, 40), which is wound on a roll, is fed to the unwinding device of a bottom-forming device, which separates the unwound tube into tube pieces and closes at least one end of the bag ,
  • the publications DE 199 33 446, DE 199 20478 and DE 199 36 660 already mentioned at the beginning show a type of suitable device which, in addition to closing one end of the bag, can also fill the bag and close the other end of the bag.
  • the hose necessary for forming the sack is unwound from a wrap.
  • the one on this Properties-related scope of the disclosure of this document therefore belongs to the content of the present document.
  • Fig. 1 The side view of a device according to the invention
  • FIG. 2 The view of the device according to the invention from Figure 1 from above
  • Fig. 5 shows a section through a hose according to the invention
  • Fig. 6 shows a section through another hose according to the invention
  • the figures show a device 1, the function of which is described below primarily by means of the path of the film web E through the device 1.
  • the device has a unwinding device 2 from which the film web E is unwound.
  • the film web E is first transported in the direction of the arrow in the direction of the later hose axis z and fed via the deflection rollers 3 and 4 to the cutting station 5, which is only symbolized by the line II-II.
  • the cutting station has cutting tools, not shown, with which the web E is cut into the webs A, B, C and D.
  • the film web A is deflected twice on the turning bars 6 and 7, so that it reverses its direction and is finally fed to the joint 8 against the direction z. It is also worth mentioning in this connection that the turning bar 6 can be displaced in the z direction, so that the longitudinal register of the film web A can be adjusted here. This fact is indicated by arrow 45. Longitudinal register of film web A can be set here. This fact is indicated by arrow 45.
  • the film web B is guided over the rollers 9 and 10, the turning bar 11 and the roller 12. Here it moves temporarily in the x direction. Above the joining station 8, the film web still runs over the roller 13, via which it is guided in the direction of the nip 50 between the squeeze rollers 14 and 15 ' . Between the roll 13 and the roll nip 50, the web runs over a triangle 51 shown in FIG. In this way, the previously flat web B is folded, so that, at the latest after being squeezed by the rollers 14 and 15, a clearly defined fold edge is formed in the roller gap 50, which forms a side fold 26 in the finished tube 25. In FIG. 4, no further machine components have been shown.
  • the register correction on the web B can be carried out by moving the roller 12 in the x direction (arrow 46).
  • the film web C is first passed over the rollers 9, 16, 17 and 19, the arrow 20 indicating the adjustability of the roller 18 in the y direction, which in turn enables a longitudinal register correction of the web C.
  • the web C runs over the turning bar 21, whereupon the web C runs in the x direction towards the roller 22 and is deflected downwards by this towards the roller gap 50 defined by the rollers 14 and 15 .
  • the formation of a side fold by folding the web C proceeds analogously to the processing of the web B shown above: after the deflection of the web C by the roller 22, the web runs over a triangle, not shown, of profile tubes, the tip of which points to the nip 50. In this way, the web C arrives folded in the nip 50.
  • the flat film web D runs over the rollers 9, 23, 30 into the roller gap 50 defined by the rollers 14 and 15.
  • the adjustability of the roller 23 in the y direction indicated by the arrow 24 enables a register correction on the course D.
  • all of the webs A to D required for forming the tube are thus joined in the joint 8 or more precisely in the nip 50 defined by the rollers 14 and 15.
  • extrudate is provided by the two extrusion devices 31.
  • the extrudate in the extruder 32 generated in the extruder screw a high pressures, provided on the extruder and arms 33 a, b transported through the nip 50 of the joint.
  • the extrudate is extruded through the nozzles 34 a, b, 35 a, b provided for this purpose onto the edges of the webs A to D, which are connected to one another in the nip 50 immediately after this process.
  • the extrudate is applied in a heated state, so that the cooling of the extrudate leads to a firm connection of the film webs.
  • Polyolefins can be used as extrudate.
  • the film tube 25 is already formed. It is initially promoted in the direction of gravity. This orientation of the hose is advantageous for the strengthening of the joints 27 or the distribution of the extrudate.
  • the hose 25 runs over the rollers 38 and 35 to the winding 36, which is also shown symbolically. In connection with the described FIGS.
  • the motor 60 which transmits torque to the extruder via a belt (not shown), the fan 61 and the machine frame 37 are also worth mentioning.
  • the illustration of other holding elements of further device components such as rollers or deflecting rods has been dispensed with, since the storage and holding of such components are familiar to the person skilled in the art.
  • FIG. 5 shows the cross section of a sack 25 represented by the device shown.
  • the figure shows the webs AD, the joining points 27 connecting them and the side folds 26.
  • Another cross section of a sack according to the invention is shown in FIG.
  • the hose 40 according to the invention shown in FIG. 6 has four joining seams 27 which connect four webs M, N, O, P to one another.
  • the hose 40 has no side folds 26.
  • FIGS. 5 and 6 show a hose in which the seams 27 connect entire layers of film or material (AD) to one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Bag Frames (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

L'invention concerne un procédé pour produire un sachet (25, 40) à partir d'un matériau film polymérique et/ou métallique. A cet effet, le sachet (25, 40) est fermé à son extrémité inférieure et présente quatre parois extérieures (A-D) reliées par quatre coutures (27). La nouveauté de l'invention consiste en ce que le matériau (A-E) nécessaire pour former les sachets est amené sous forme d'un film tubulaire (25, 40) enroulé sur un rouleau au dispositif de déroulement d'un dispositif de façonnage du fond qui sépare le film tubulaire déroulé en morceaux de film tubulaire et ferme au moins une extrémité du sachet.
EP04710870A 2003-02-14 2004-02-13 Procede pour produire des sachets Withdrawn EP1597059A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10306615 2003-02-14
DE10306615A DE10306615B4 (de) 2003-02-14 2003-02-14 Verfahren zur Herstellung von Säcken
PCT/EP2004/002083 WO2004071752A1 (fr) 2003-02-14 2004-02-13 Procede pour produire des sachets

Publications (1)

Publication Number Publication Date
EP1597059A1 true EP1597059A1 (fr) 2005-11-23

Family

ID=32797470

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04710870A Withdrawn EP1597059A1 (fr) 2003-02-14 2004-02-13 Procede pour produire des sachets

Country Status (5)

Country Link
US (1) US7837606B2 (fr)
EP (1) EP1597059A1 (fr)
JP (1) JP4778414B2 (fr)
DE (1) DE10306615B4 (fr)
WO (1) WO2004071752A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN113290943A (zh) * 2021-05-12 2021-08-24 邢蕊 一种可降解塑料自封袋塑封条粘贴设备及粘贴工艺

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BR112018002777B1 (pt) 2015-08-21 2023-02-23 Graphic Packaging International, Llc Embalagem reforçada, caixa de papelão, combinação de uma folha de caixa de papelão e um saco preso na folha de caixa de papelão e método de formação de uma embalagem reforçada
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EP3917848A4 (fr) 2019-01-28 2022-11-02 Graphic Packaging International, LLC Emballage renforcé
CN110065672A (zh) * 2019-05-14 2019-07-30 济南浩新实业有限公司 一种无纺布筒状成型中封机构
CN112027197B (zh) * 2020-08-24 2022-02-22 盐城工学院 一种用于环保滤袋的打包设备
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113290943A (zh) * 2021-05-12 2021-08-24 邢蕊 一种可降解塑料自封袋塑封条粘贴设备及粘贴工艺
CN113290943B (zh) * 2021-05-12 2022-12-16 珠海市鼎胜胶粘塑料环保科技有限公司 一种可降解塑料自封袋塑封条粘贴设备及粘贴工艺

Also Published As

Publication number Publication date
US7837606B2 (en) 2010-11-23
US20060088676A1 (en) 2006-04-27
JP2006517481A (ja) 2006-07-27
WO2004071752A8 (fr) 2004-11-11
WO2004071752A1 (fr) 2004-08-26
DE10306615B4 (de) 2008-06-12
DE10306615A1 (de) 2004-09-02
JP4778414B2 (ja) 2011-09-21

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