EP0962308B1 - Verfahren und Vorrichtung zur Herstellung von Folienbeuteln - Google Patents

Verfahren und Vorrichtung zur Herstellung von Folienbeuteln Download PDF

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Publication number
EP0962308B1
EP0962308B1 EP99108245A EP99108245A EP0962308B1 EP 0962308 B1 EP0962308 B1 EP 0962308B1 EP 99108245 A EP99108245 A EP 99108245A EP 99108245 A EP99108245 A EP 99108245A EP 0962308 B1 EP0962308 B1 EP 0962308B1
Authority
EP
European Patent Office
Prior art keywords
foil
foils
holes
bottom foil
sic
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.)
Expired - Lifetime
Application number
EP99108245A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0962308A2 (de
EP0962308A3 (de
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.)
INDAG Gesellschaft fuer Industriebedarf mbH and Co Betriebs KG
Original Assignee
INDAG Gesellschaft fuer Industriebedarf mbH and Co Betriebs 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 INDAG Gesellschaft fuer Industriebedarf mbH and Co Betriebs KG filed Critical INDAG Gesellschaft fuer Industriebedarf mbH and Co Betriebs KG
Priority to SI9930638T priority Critical patent/SI0962308T1/xx
Publication of EP0962308A2 publication Critical patent/EP0962308A2/de
Publication of EP0962308A3 publication Critical patent/EP0962308A3/de
Application granted granted Critical
Publication of EP0962308B1 publication Critical patent/EP0962308B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • 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
    • B31B70/006—Controlling; Regulating; Measuring; Safety measures
    • 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
    • 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
    • B31B2155/002—Flexible containers made from webs by joining superimposed webs, e.g. with separate bottom 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
    • B31B2160/10—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 a method for the production of foil bags, in which two Films for forming the sidewalls of the film bags and a bottom film for forming fed to the bottom of the film bag and connected to each other, and a Apparatus for carrying out the method.
  • Foil bags are used to receive a filling, e.g. Drinks, used.
  • Derarbge Foil bags consist e.g. from two side foils, which are on two opposite Edges are welded together. Between the respective third edges is a Bottom film shrink wrapped, the unfolded state a floor represents and makes room for the contents between the side foils. After the filling the fourth side edges are welded together.
  • the punching process before the folding process the bottom sheet are carried out. So can the presence of punched holes for all punched holes, which are arranged side by side perpendicular to the running direction of the bottom foil are performed individually and accurately. However, it is also possible that the folding process is performed before the punching operation. In this way, the Punching process and the hole measuring process effectively and with a minimum number of Punching or measuring devices performed.
  • the foils can be glued together along the future edges. But very easy and reliable are welded edges.
  • the measurement of whether the punch holes have been made and whether bottom sheet is present may be e.g. with appropriate Touch sensors are performed.
  • an optical Measurement provided. An optical measurement ensures a non-contact Measuring process with high reliability.
  • Another advantageous embodiment provides proximity switch, the metal-containing Foils can be used and less prone to contamination and Moisture is.
  • the punched holes are around the center line of the bottom foil on which the bottom foil is folded is symmetrically arranged. This can be a single punch hole in the direction be provided perpendicular to the direction of the bottom sheet, the folding of the bottom sheet is folded with. An increase in the reliability of the production process and the stability of the film bag is achieved, however, if two punched holes are provided in the direction perpendicular to the direction of the bottom sheet, which be placed on each other by the folding process.
  • the method according to the invention also a Measurement to determine whether ever bottom sheet is fed made.
  • a Malfunctioning of the feeding mechanism of the bottom sheet can be easy in this way can be determined, and it can be prevented that side foils connected to each other be without bottom sheet between them. Also a foil break or the end of the film can be detected in this way.
  • the senor can also be used to detect when between Sensor and a downstream processing station malfunction, e.g. a film break occurs. This is recognized by the fact that the signal state of Sensor does not change.
  • this measurement is again optical, which is a non-contact detection enabled, or performed using a proximity switch.
  • the hole measurement for determining whether punch holes are present and the film measurement to determine whether bottom film is supplied performed by means of a common measuring device
  • the inventive method can be carried out when the two fed side sheets each have a width that of the extension of several Foil bag corresponds and a corresponding number of bottom films is supplied.
  • several foil bags can be produced side by side and individual Components, such as the cutting or cutting device for cutting in individual floor films, must be provided only once.
  • An advantageous embodiment comprises a light barrier as a measuring point.
  • the signal A photoelectric barrier is easy to read out and can directly generate a warning signal or used to shut down the device.
  • Another advantageous embodiment comprises a proximity switch as a measuring point.
  • a proximity switch is less susceptible to contamination and Moisture and can be used in particular in metal-containing films.
  • FIG. 4 shows a finished foil bag 2.
  • 10 designates weld seams which are attached to the Side edges connect the side foils (hatched area).
  • 16 denotes the area in which the bottom foil is welded to the side foils (by crosses ) Shown.
  • punched holes 20 are provided in the bottom foil, through which the side foils are welded directly to each other in the floor area. This results in direct side sheet / side sheet welds 18 in the floor area.
  • FIG. 5 shows a still unfilled and unlocked foil bag 2 in FIG Side view shown. The width is designated by x.
  • the material of the films may e.g. Be aluminum laminate film. If in the present description of welds welding or welding, are thus direct welds of the respective Includes films, adhesives or H exertverklebache with.
  • Figures 6a and 6b show the same foil bags after filling and sealing.
  • the sections correspond approximately to the lines I and II, in Figure 5 for the unfilled foil bag are drawn.
  • the bottom foil 8 is unfolded far and between the Side foils 6 and 4 is space for the contents. Closer to the side edge of the foil bag the bottom foil 8 is folded further and the space between the side foils 6 and 4 decreases with decreasing distance from the side edge of the film bag from.
  • Directly on the side edge are the side foils 4 and 6 along the weld 10 and the sofolien- / Stepfolien-Sch professionung 18 directly connected to each other, such as it is shown in Figures 4 and 5.
  • Through the side foil / side foil welding 18 in the bottom area is the stability of the foil bag and a safer Stand ensured.
  • FIG. 1 shows a device according to the invention in a schematic representation.
  • side foils 4 and 6 are deducted from not further interested stock rolls and with the help of pulleys 46 and feed rollers 40 of a welder 36th supplied with a upwardly and downwardly movable welding head 42.
  • the feeding direction is designated 50.
  • bottom sheet 8 is subtracted and also moved by the feed rollers 40 in the feed direction 52.
  • 30 denotes a punching device and 32 an optical measuring device, e.g. Light barriers, in their position perpendicular to the feed direction 52 of the punching device 30 correspond.
  • 34 denotes a folding device which serves to longitudinally sheet the bottom sheet the direction of movement 52 to fold, the exact operation here insignificant is.
  • the folding device 34 upstream of the Punching device 30 may be provided so that the punching device by the already Punched bottom foil stamps.
  • 38 denotes a cutting device with a knife 44, which extends over the entire width of the film material.
  • 62 denotes signal lines, the supply roll 48 for the bottom sheet, the punching device 30 and the Connect photocell 32 to a controller 60.
  • 64 is the transport device called the merged foils.
  • Figure 2 shows the supplied bottom sheet 8 after passing through the punching device 30.
  • the distance x which corresponds to the width of an unfilled foil bag, are punched holes 20 is provided, whose distance from the center line 22 is y in each case.
  • the dimensions y or x be a few millimeters or centimeters, depending on the dimensions of the finished foil bag 2.
  • Figure 3 shows a series of film bags after passing through the welder 36 and before passing through the cutter 38 according to the arrangement the figure 1.
  • the height of the foil bag perpendicular to the conveying direction 50 is z designated.
  • 24 indicates the lines along which the row of foil pouches the knife 44 of the cutting device 38 should be cut.
  • 22 denotes the Center line of the bottom foil 8 (see Figure 2), which in this state after welding represents a fold edge.
  • the inventive method is described with the described embodiment follows.
  • the feeders 40 e.g. designed as rotating rollers
  • Both the side foils 4, 6 and the bottom foil 8 promote the bottom foil 8 is unwound from the supply roll 48 (see Figure 1).
  • Downstream of Supply roll 48 are using the punch 30 punch holes 20 in the bottom sheet introduced, which are arranged symmetrically to the center line.
  • the bottom sheet will then passed through photocells 32, which are arranged according to the position of the punch holes are. If a punched hole 20 passes through a light barrier 32, then a corresponding generates electrical signal via the signal line 62 of the controller 60th is supplied.
  • the controller 60 also receives a signal about the speed of the supply roll 48 and the punching frequency of the punch 30. From the speed of the bottom foil and the punching frequency calculates the control device 60, at which distance the Punch holes 20 are expected at the light barrier 32 and compares this calculated Value with the signal of the photocells 32.
  • the Photoelectric sensors 32 constantly generate a signal, as well as if no punch holes 20th are present and the photocells 32 accordingly no signals give off, there is no match of the calculated and the measurement signal of the light barrier 32, and the controller 60 generates a warning signal, e.g. to stop the entire device can be used.
  • the photocells 32 no signals when downstream of the punching and folding device malfunction occurs, e.g. a foil break. Then no foil is requested and the signal state does not change.
  • the welding device 36 ver welded in a conventional manner, the side foils along the welds 10, such as they are shown in FIG.
  • the side foils 4, 6 in the bottom area 16 not directly welded together, except for the areas 18 in which the Punching holes of the bottom sheet 8 are.
  • the so folded and welded Side foils 4, 6 and the bottom foil 8 are conveyed in the direction 64 and then cut along the lines 24.
  • the cut edges 24 lie in such a way that the Welds 10 are divided between two adjacent foil bags and go through the punch holes 20 of the bottom sheet 8. This ensures that that the side sheets also in the bottom region of the film bag 2 directly through the punch holes 20 are welded together.
  • the inventive method ensures that actually punch holes 20 in the Floor film are present. In this way, a further check is unnecessary the side sheets 4, 6 are welded together in the bottom area. Such time-consuming inspection would make the manufacturing process of the foil bag in unwanted Extend way. In the embodiment shown is also ensured that ever bottom sheet 8 between the side sheets 4, 6 is introduced and that no film break is present, which further increases the reliability.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Bag Frames (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Laminated Bodies (AREA)
EP99108245A 1998-06-04 1999-04-27 Verfahren und Vorrichtung zur Herstellung von Folienbeuteln Expired - Lifetime EP0962308B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9930638T SI0962308T1 (en) 1998-06-04 1999-04-27 Procedure and device for the production of plastic bags

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19825080A DE19825080B4 (de) 1998-06-04 1998-06-04 Verfahren und Vorrichtung zur Herstellung von Folienbeuteln
DE19825080 1998-06-04

Publications (3)

Publication Number Publication Date
EP0962308A2 EP0962308A2 (de) 1999-12-08
EP0962308A3 EP0962308A3 (de) 2001-12-12
EP0962308B1 true EP0962308B1 (de) 2004-08-11

Family

ID=7869958

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99108245A Expired - Lifetime EP0962308B1 (de) 1998-06-04 1999-04-27 Verfahren und Vorrichtung zur Herstellung von Folienbeuteln

Country Status (28)

Country Link
US (1) US6340343B1 (xx)
EP (1) EP0962308B1 (xx)
JP (1) JP3109069B2 (xx)
KR (1) KR100322046B1 (xx)
CN (1) CN1123489C (xx)
AT (1) ATE273121T1 (xx)
BG (1) BG63994B1 (xx)
BR (1) BR9902929A (xx)
CA (1) CA2273417C (xx)
CZ (1) CZ297062B6 (xx)
DE (2) DE19825080B4 (xx)
DK (1) DK0962308T3 (xx)
ES (1) ES2226225T3 (xx)
HK (1) HK1024453A1 (xx)
HR (1) HRP990166A2 (xx)
HU (1) HUP9901844A3 (xx)
ID (1) ID22736A (xx)
PL (1) PL190042B1 (xx)
PT (1) PT962308E (xx)
RU (1) RU2167766C2 (xx)
SA (1) SA99200497B1 (xx)
SI (1) SI0962308T1 (xx)
SK (1) SK73599A3 (xx)
TR (1) TR199901247A3 (xx)
TW (1) TW558497B (xx)
UA (1) UA57603C2 (xx)
YU (1) YU24099A (xx)
ZA (1) ZA993717B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20006372U1 (de) * 2000-04-06 2000-09-07 Deutsche SiSi-Werke GmbH & Co Betriebs KG, 69214 Eppelheim Formfolienbeutel
DE10227502B4 (de) * 2002-06-19 2005-10-13 Mars Incorporated Verfahren zur Herstellung von dünnwandigen Behältern aus Folienbahnen und Fertigungseinrichtung zur Durchführung des Verfahrens
DE10340103B4 (de) * 2003-08-30 2005-07-21 Bischof + Klein Gmbh & Co. Kg Verfahren zur Herstellung von Behältern aus flexiblem Material
IT1397208B1 (it) * 2009-12-23 2013-01-04 Maklaus S R L Dispositivo di rilevazione dell'avvenuta perforazione, particolarmente di pellicole in plastica, carta, accoppiati e simili.
TWM448450U (zh) * 2012-05-30 2013-03-11 yao-zhang Lin 可作淋膜編織袋貼合包底之全自動製袋機

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Also Published As

Publication number Publication date
SK73599A3 (en) 1999-12-10
TR199901247A2 (xx) 2000-01-21
UA57603C2 (uk) 2003-06-16
PL333483A1 (en) 1999-12-06
CZ297062B6 (cs) 2006-08-16
ID22736A (id) 1999-12-09
HU9901844D0 (en) 1999-08-30
CN1123489C (zh) 2003-10-08
DE19825080A1 (de) 1999-12-09
CN1243085A (zh) 2000-02-02
BR9902929A (pt) 2000-03-21
DK0962308T3 (da) 2004-10-04
JP3109069B2 (ja) 2000-11-13
BG63994B1 (bg) 2003-09-30
HUP9901844A3 (en) 2001-01-29
SA99200497B1 (ar) 2006-08-20
PT962308E (pt) 2004-10-29
SI0962308T1 (en) 2004-10-31
ES2226225T3 (es) 2005-03-16
CZ194099A3 (cs) 1999-12-15
TW558497B (en) 2003-10-21
ATE273121T1 (de) 2004-08-15
HUP9901844A2 (hu) 2000-06-28
DE19825080B4 (de) 2004-03-11
CA2273417C (en) 2002-04-23
ZA993717B (en) 1999-12-02
US6340343B1 (en) 2002-01-22
HRP990166A2 (en) 2000-04-30
JP2000025126A (ja) 2000-01-25
HK1024453A1 (en) 2000-10-13
CA2273417A1 (en) 1999-12-04
EP0962308A2 (de) 1999-12-08
TR199901247A3 (tr) 2000-01-21
RU2167766C2 (ru) 2001-05-27
YU24099A (sh) 2000-03-21
DE59910173D1 (de) 2004-09-16
KR20000005848A (ko) 2000-01-25
KR100322046B1 (ko) 2002-02-06
PL190042B1 (pl) 2005-10-31
EP0962308A3 (de) 2001-12-12
BG103448A (en) 1999-12-30

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