EP2499048B1 - Verfahren zur herstellung von dreieckigen verpackungsbeuteln und anordnung dazu - Google Patents

Verfahren zur herstellung von dreieckigen verpackungsbeuteln und anordnung dazu Download PDF

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Publication number
EP2499048B1
EP2499048B1 EP10779252.5A EP10779252A EP2499048B1 EP 2499048 B1 EP2499048 B1 EP 2499048B1 EP 10779252 A EP10779252 A EP 10779252A EP 2499048 B1 EP2499048 B1 EP 2499048B1
Authority
EP
European Patent Office
Prior art keywords
film
seam
spiral
section
sealed
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.)
Not-in-force
Application number
EP10779252.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2499048A1 (de
Inventor
Klaus Hamm
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.)
Nestec SA
Harro Hofliger Verpackungsmaschinen GmbH
Original Assignee
Nestec SA
Harro Hofliger Verpackungsmaschinen GmbH
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 Nestec SA, Harro Hofliger Verpackungsmaschinen GmbH filed Critical Nestec SA
Publication of EP2499048A1 publication Critical patent/EP2499048A1/de
Application granted granted Critical
Publication of EP2499048B1 publication Critical patent/EP2499048B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/213—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web having intermittent motion
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2056—Machines for packages of special type or form
    • B65B9/2063—The webs being spirally wound around the filling nozzle
    • 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
    • B31B2160/30—Shape of flexible containers pointed or tapered

Definitions

  • the invention relates to a method for the production of triangular packaging bags from a film strip and an arrangement for producing such packaging bag according to this method.
  • tubular bag packaging in which a film strip is formed into a tube.
  • This hose is sealed at cross seams, so that a closed packaging space for receiving the packaged goods arises.
  • film tube can be severed at the stitching optional for the formation of individual tubular bag packaging.
  • a perforation may be applied instead of a separating cut. This results in a so-called chain pack, from which the individual packaging bags can be demolished as needed.
  • sealing seams are applied transversely to the longitudinal direction of the film tube, rectangular packaging bags are created in the plan view.
  • triangular packaging bags may also be desired in the ground plan.
  • the sealing seams are arranged in a zigzag shape at a certain angle to the longitudinal axis of the film tube.
  • a film strip is first formed into a tube, wherein the longitudinal edges of the film strip are sealed together to form a longitudinal seam. Subsequently, the attachment of a diagonal seam, which intersects the longitudinal seam, the filling of the packaging bag and finally the sealing of the same by a further, also diagonal, but oppositely inclined sealing seam takes place alternately.
  • the film tube during the packaging process is perpendicular, ie parallel to the direction of gravity force guided.
  • the diagonal sealing seams of the triangular packaging bag extend obliquely to the direction of the weight force, which makes complete filling of the packaging bag difficult or impossible.
  • the packaged goods get to the sealing portion of the diagonal transverse sealing seams, whereby a dense sealing of the filled packaging is made difficult or impossible.
  • the plan triangular tubular bag packaging must therefore have an excess, resulting in an excessive use of film material. This fact is further complicated by the fact that further film material is consumed for the production of the longitudinal sealing seam.
  • Another problem is that in an individual case an incomplete or even total lack of filling is observed. Such individual, not or improperly filled packaging bags must be discarded. This is particularly important when chain packages are to be produced in which each individual packaging bag must be filled. In this case, then the entire chain pack is weed out, which can significantly increase the associated scrap costs.
  • the invention has for its object to provide a method by means of which in the floor plan triangular packaging bags are simple and reliable to produce and fillable.
  • the invention is further based on the object of specifying an arrangement for carrying out the method according to the invention, by means of which triangular packaging bags can be reliably manufactured and filled in the ground plan.
  • the invention it is proposed to wind a film strip to form a foil coil around a forming mandrel such that its longitudinal edges adjoin one another.
  • the foil coil is pulled off the forming mandrel so far that a first seam section formed by the longitudinal edges and extending in the circumferential direction through 180 ° about the foil coil and a first foil section opposite the first seam section are exposed.
  • the foil coil is compressed in the region of the first seam section, wherein the first seam section is sealed against the first film section to form a first sealed seam.
  • the film coil is further removed from the mandrel so far that a formed by the longitudinal edge, in the circumferential direction by 180 ° around the foil coil extending, adjacent to the first seam section second seam portion and the second seam portion opposite second film portion exposed.
  • the foil coil is compressed in the region of the second seam section, the second seam section being sealed against the second film section to form a second sealed seam crossing the first sealed seam.
  • the associated arrangement comprises an in particular held stationary feeding device for a film strip, a rotatable about its longitudinal axis and axially displaceable in the direction of the longitudinal axis form dome, a control device for forming a foil coil during winding of the film strip on the forming mandrel and in the region of an output side end of the mandrel arranged sealing device for sealing the foil coil to form the packaging bag.
  • the foil coil drawn off from the forming mandrel is forcibly kept open by the forming mandrel in the region of the second sealed seam after the formation of the first sealed seam, so that a secure filling of the packaging bag without rejects is possible.
  • the triangular packaging bags can be manufactured and filled with high efficiency and reliability.
  • the foil coil is rotated by 180 ° with respect to its longitudinal axis between the sealing of the first seam section and the sealing of the second seam section.
  • the packaging bag to be produced has an average length, wherein in particular the forming mandrel together with the foil spiral are axially displaced in the mentioned 180 ° rotation starting from an initial position about said average length of the packaging bag, wherein the foil coil in this twisted and in particular axially displaced state is held, and wherein then the mandrel and the foil coil are axially displaced against each other such that the foil coil is withdrawn axially from said mandrel about said mean length.
  • the foil coil has a helical pitch
  • the control device is designed such that the feed device and the forming mandrel are axially displaced against each other together with the foil helix with a rotation of 180 ° starting from an initial position by half the helix pitch.
  • the forming mandrel is arranged inclined relative to the horizontal by an inclination angle such that the first or second seam section lies horizontally when being sealed.
  • the foil coil has a pitch angle, wherein the inclination angle of the mandrel is equal to the pitch angle of the foil coil.
  • the sealing device is arranged horizontally. All in all, this ensures that the seal seam to be sealed off is horizontal.
  • the triangular packaging bag can therefore be filled almost to the brim without the packaged goods falling out of the interior of the still open, not yet sealed packaging bag. In addition, even with a high degree of filling, no packaged goods reach the area of the sealed seam. Despite the high filling level, the triangular packaging bag can be reliably and tightly closed or sealed. For a certain amount of the packaged goods, the packaging bag can be made comparatively small, which further reduces the consumption of film material.
  • the forming mandrel is designed as a forming tube, wherein the filling of the packaging bag takes place through the forming tube before closing the second sealed seam.
  • a filling line for filling the packaging bag is arranged through the forming tube within the forming tube.
  • the forming mandrel is designed as a radially expandable, in particular from radially displaceable segments formed molding tube.
  • the effective diameter of the forming tube is readjusted during the winding of the foil coil to achieve a desired winding pattern or readjusted. This is particularly advantageous if a certain printing pattern of the film strip must be brought in a certain relative position to the packaging bag.
  • By controlled or regulated adjustment of the effective winding diameter a reduced or increased length of the film strip is wound with each revolution, whereby a printed pattern applied to the film strip can be brought to the desired position or its position can be corrected.
  • the longitudinal edges of the foil strip are expediently stapled together to form the foil coil on the mandrel and in particular sealed together overlapping.
  • a sealing device for fixing the film strip in the form of the film spiral is advantageously arranged radially on the outside of the forming mandrel. This ensures that the foil coil retains its shape not only on the mandrel or on the forming tube, but also after removing it until the formation of the sealing seams, which contributes to process safety.
  • a supporting device for the sealed film strip in particular in the form of a guide tube, is arranged on the side of the sealing device facing away from the output side end of the forming mandrel.
  • the sealed and filled foil strip thus receives a weight force support, so that its own weight does not act on the not yet sealed foil coil.
  • the sealing process can be carried out undisturbed.
  • a retaining device for the sealed film strip is advantageously arranged on the side of the sealing device facing away from the output end of the forming mandrel.
  • the mandrel is preferably stirred out as a radially expandable, in particular formed from radially displaceable segments form tube.
  • the foil coil is wound onto the radially expanded forming tube.
  • the segments are displaced radially inwards so that the effective diameter of the forming tube is reduced. This facilitates the retraction of the forming tube, without taking the foil coil.
  • a spreading device for the foil coil is arranged in the region of the output-side end of the forming mandrel. This facilitates a wrinkle-free sealing of the sealed seams.
  • a perforation for forming a chain pack comprising a plurality of packaging bags can be arranged, or a separating cut can be carried out to form individualized packaging bags, between the adjacent sealing seams.
  • the invention is therefore very versatile.
  • Fig. 1 shows in a schematic plan view of several triangular in plan view packaging bag 1, 1 ', which according to the invention from a in Fig. 3 illustrated film strips 2 are made.
  • the packaging bags 1, 1 ' are filled in the exemplary embodiment shown with coffee powder. But you can also contain another, powdery, granular, lumpy or liquid contents.
  • the packaging bags 1, 1 ' are made in one piece.
  • the film material of the film strip 2 ( Fig. 3 ) folded seamlessly at a folded edge 29 and at two adjoining seam edges 27, 28 with a first sealed seam 9, 9 'and a second, the first seal 9, 9' intersecting sealed seam 12, 12 'tightly sealed or sealed together. Due to the folded edge 29 and the sealing seams 9, 9 ', 12, 12' arise in the packaging bags 1, 1 'hermetically closed interior spaces in which the contents is stored.
  • the outline of the packaging bags 1, 1 ' is given by the edges 27, 27', 28, 28 ', 29, 29', which are arranged in the shape of an isosceles triangle.
  • the two seam edges 27, 28 of the packaging bag 1 include a corner angle ⁇ , which in the embodiment shown is 90 °, but may also have a different amount.
  • the folded edge 29 includes with the seam edges 27, 28 each have an acute angle ⁇ , which is in the illustrated embodiment, 45 °, but may also have a different amount. The same applies analogously to the packaging bag 1 'with its seam edges 27', 28 'and their folded edges 29'.
  • Fig. 2 shows in a schematic plan view of a chain pack 26, by interconnected packaging bag 1, 1 'to Fig. 1 is formed.
  • the packaging bags 1, 1 ' are arranged in a row such that the first sealed seam 9 of the packaging bag 1 adjoins the second sealed seam 12' of the adjacent packaging bag 1 ', while the second sealed seam 12' of the packaging bag 1 'adjoins the first sealed seam 9 adjacent the adjacent packaging bag 1.
  • a first seam section 7 is formed
  • the first Sealing seam 9 'of the packaging bag 1' adjacent to the second sealed seam 12 of the packaging bag 1 a second seam portion 10 is formed.
  • a separation cut along a cutting line 14 can be carried out in each case, as with a solid line also in FIG Fig. 2 is shown. Due to the separating cut along the cutting lines 14, the packaging bags 1, 1 'as shown Fig. 1 sporadically.
  • Fig. 3 shows a side view of an embodiment of an inventive arrangement for producing and filling the packaging bag 1, 1 'according to the Fig. 1, 2 ,
  • the arrangement comprises a packaging machine 30 and a film strip 2.
  • the packaging machine 30 has a frame 34 on which a forming mandrel about its longitudinal axis 15 is rotatably mounted and axially displaceable in the direction of the longitudinal axis 15.
  • the mandrel may be made solid and is executed in the illustrated embodiment as described below in more detail form tube 6.
  • the longitudinal axis 15 of the forming tube 6 is inclined relative to the horizontal by an inclination angle ⁇ , which is 45 ° in the embodiment shown.
  • the forming tube 6 is a film strip 2 held horizontally in the direction of an arrow 31 by means of a fixedly held on the frame 34 feeding device 37 while rotating and simultaneous axial displacement of the forming tube 6 according to arrows 33, 32 on the outer peripheral surface wound helically, whereby there forms a foil coil 5.
  • a film strip 2 'corresponding to an arrow 31' vertically or from another direction can be supplied to the forming tube 6.
  • an arrangement may be expedient in which the forming tube 6 is held stationary on the frame 34, and in which the feeder 37 is guided around the forming tube 6 to form the foil coil 5.
  • a control device 16 ensures that the feeder 37 on the one hand and the Formdrohr 6 together with the film coil 5 on the other hand with a rotation of 180 °, starting from an initial position by half a helical pitch a axially against each other or relative to each other.
  • the film strip 2 is bounded by two laterally opposite, the width of the film strip 2 predetermining longitudinal edges 3, 4.
  • the width of the foil strip 2, the diameter of the forming tube 6 and the feeding angle of the foil strip 2 to the forming tube 6 are coordinated such that the film strip 2 is wound around the forming tube 6 to form the foil coil 5 such that the longitudinal edge 4 of a film winding to the Longitudinal edge 3 of the adjacent Folienwindung adjacent.
  • the longitudinal edge 4 overlaps within the foil coil 5, the adjacent and dashed longitudinal edge 3 by a certain predetermined amount.
  • a sealing device 25 for mutual fixation of the overlapping longitudinal edges 3, 4 are arranged.
  • the overlapping longitudinal edges 3, 4 of the film strip 2 are stitched together to form the film coil 5 on the forming tube 6 by a sealing process.
  • a sealing process with hot or cold seal glue another suitable form of stitching may also be expedient, even if the overlapping of the longitudinal edges 3, 4 is dispensed with.
  • the wound on the forming tube 6 foil coil 5 is located with the longitudinal edges 3, 4 relative to the longitudinal axis 15 of the forming tube 6 in a pitch angle ⁇ . From this and from the circumference of the forming tube 6 also results in a measured in the direction of the longitudinal axis 15 helical pitch a as a distance between two adjacent film turns.
  • the pitch angle ⁇ is identical to the in Fig. 1 shown tip angle ⁇ of the packaging bag 1, 1 'before, is therefore chosen here at 45 °. Of course, by geometric adjustment and a different angle ⁇ can be adjusted.
  • the packaging bags 1, 1 'after Fig. 1 a measured parallel to the folded edge 29 average length 1.
  • the spiral pitch a ( Fig. 3 ) is twice the said average length 1.
  • the packaging machine 30 is provided with a control device 16 for forming the film coil 5 when winding the film strip 2 onto the forming tube 6.
  • the control device 16 brings about that the forming tube 6 is evenly displaced axially in the direction of an arrow 32 in a rotation corresponding to the arrow 33.
  • the rotational movement in the direction of the arrow 33 and the axial displacement movement in the direction of the arrow 32 are coupled to one another such that the film strip can be kept unchanged without tracking in its spatial position, is only deducted in the direction of arrow 31 of the feeder 37 and it winds to the uniform foil coil 5 on the forming tube 6.
  • the control device 16 can be electronically controlled and, for example, driven by stepper motors in both degrees of freedom of movement.
  • the control device 16 is formed by a helical spiral surface 19 and a voltage applied to the spiral surface 19 guide pin 20.
  • the helical surface 19 is fixedly connected to the frame 34, while the guide pin 20 is fixedly connected to the forming tube 6. But it can also be an inverse embodiment appropriate.
  • the helical surface 19 passes through 180 ° about the longitudinal axis 15 and extends in the axial direction over half the helical pitch a.
  • the voltage applied to the helical surface 19 guide pin 20 leads to a rotation of the forming tube. 6 180 ° to the fact that said rotational movement is converted according to the arrow 33 in an axial stroke corresponding to the arrow 32, wherein said axial stroke is half of the helical pitch a.
  • Fig. 3 The representation after Fig. 3 is in synopsis with Fig. 4 it can be seen that the forming tube 6 in the same area in which the foil coil 5 is formed by winding the foil strip 2, is cylindrical. But it can also be useful another cross-sectional shape.
  • the forming tube 6 In the region of its lower, output-side end 17, the forming tube 6 can optionally be tapered with respect to its cross-section.
  • a spreader 38 for the film coil 5 is still arranged in the region of the output-side end 17, which is formed in the illustrated embodiment by a pair of spreading fingers.
  • the initially cylindrical foil coil 5 is spread on the input side of the sealing device 18 to a flat, double-layered web and fed to the sealing device 18 in this spread-apart state.
  • Fig. 5 shows in a schematic and enlarged detail view of the arrangement according to Fig. 3 in the region of the lower end 17 of the forming tube 6 with the lower end of the filling line 23.
  • the foil coil 5 is deducted so far from the mandrel 6 beyond its end 17, that by the longitudinal edges 3, 4 ( Fig. 3 ) formed and in the circumferential direction by 180 ° around the film coil 5 extending first seam section 7 is exposed, so is no longer supported by the forming tube 6.
  • the first seam section 7 lies here on the side facing away from the viewer of the film coil 5 and is therefore shown in dashed lines.
  • the first seam section 7 is a continuous, undisturbed first film section 8 opposite.
  • the first film section 8 lies on the viewer facing side of the film coil 5 and, like the first seam section 7 is not supported by the forming tube 6, so is free.
  • the angle of inclination ⁇ of the forming tube 6 is chosen to be equal to the angle of inclination ⁇ of the foil coil 5, that is to say the first seam section 7 (FIG. Fig. 5 ) is horizontal in this state.
  • Sealing device 18 shown extends horizontally and thereby spans the first seam section 7 (FIG. Fig. 5 ).
  • the sealing device 18 ( Fig. 3 ) comprises two sealing jaws, not shown, between which by means of the spreader 38 ( Fig. 3 ) spread and flat folded foil coil 5 is passed.
  • the packaging bag 1 is thereby tightly sealed at its first sealed seam 9.
  • the film strip 2 ( Fig. 3 ) provided on its inside with a sealing layer, which may be configured as a cold or heat-sealing film. Other sealing aids may be appropriate.
  • a second seam section 10 which follows in the position Fig. 5 extends vertically over the end 17 of the forming tube 6, that is still supported by the forming tube 6.
  • FIG. Fig. 6 the arrangement shown there is rotated about the longitudinal axis 15 by an angle of 180 °, as in Fig. 6 is shown.
  • the control device 16 (FIG. Fig. 3 ) causes concomitantly that the forming tube 6 together with the foil coil 5 and the filling line 23 in the direction of the longitudinal axis 15, starting from the starting position to Fig. 5 performs an axial stroke h, the same the half spiral pitch a ( Fig. 3 ) and thus equal to the mean length 1 ( Fig. 1 ).
  • the first seam section 7 is vertical, while the adjoining second seam section 10 of the packaging bag 1 extends horizontally.
  • the packaging bag 1 Since the second seam section 10 also extends beyond the end 17 of the forming tube 6, the packaging bag 1 is widened in the region of the second seam section 10, so that a filling opening of the packaging bag 1 is formed. In addition, the end of the filling line 23 protrudes into the interior of the still unopened packaging bag 1 inside.
  • the packaging bag 1 is in the state after Fig. 6 filled through the filling line 23 therethrough. As a result of the horizontal position of the second seam section 10, this filling can take place almost completely without the filling material emerging from the open second seam section 10 or contaminating the second seam section 10.
  • a retaining device for the sealed film strip 2 is indicated, which is designed in the illustrated embodiment in the form of a pair of clamping jaws 22.
  • the film strip 2 ( Fig. 3 ) or the chain pack 26 formed therefrom by means of the clamping jaws 22.
  • the forming tube 6, together with the filling line 23, starting from the position to Fig. 6 retracted axially by the stroke h, as in Fig. 7 is shown.
  • the foil coil 5 is in turn drawn off from the mold tube 6 by means of a retainer movable by the stroke h.
  • there is an axial relative displacement between the film coil 5 and the forming tube 6 such that as a result the film coil 5 is subtracted from the forming tube 6 by the stroke h or the mean length 1.
  • the forming mandrel is embodied as a radially expandable shaping tube 6 formed here from radially displaceable segments 24.
  • a schematic cross-sectional view of this embodiment of the forming tube 6 is shown in FIG Fig. 4 shown.
  • the forming tube 6 is composed in its cross section from here by way of example eight segments 24, which are mounted radially movable according to double arrows 35.
  • the segments 24 are surrounded by an elastic, cylindrical shell 36, which may be formed, for example, from elastic silicone plastic or the like.
  • the foil coil 5 (FIG. Fig. 3 ) wound on the outer surface of the elastic jacket 36.
  • the segments 24 ( Fig. 4 ) is displaced radially inwardly, whereby the outer diameter of the elastic jacket 36 is reduced.
  • the foil coil 5 (FIG. Fig. 3 ) rests directly on the outer surfaces of the segments 24.
  • the radially inwardly directed movement of the segments 24 causes the cross-section of the forming tube 6 to be reduced, as a result of which there is no appreciable stiction between the foil coil 5 and the outer surface of the forming tube 6 when the foil coil 5 is withdrawn.
  • the forming tube 6 can axially with a small amount of effort to the stroke h according to the illustration Fig. 7 be withdrawn without the fixed by the jaws 22 foil coil 5 ( Fig. 3 ) with withdraw.
  • Fig. 7 a in which the film coil 5 is deducted from the forming tube 6 so far to the stroke h, that now also formed by the longitudinal edges 3, 4, in the circumferential direction by 180 ° to the foil coil 5 extending, adjacent to the first seam section 7 second Seam section 10 is exposed.
  • the second seam portion 10 faces a continuous, also exposed film portion 11, wherein for the second seam portion 10 and the second film portion 11, the same as that for the first seam portion 7 and the first film portion 8 in connection with Fig. 5 The above applies.
  • the second seam section 10 intersects the first seam section 7.
  • the second seam section 10 follows as shown Fig. 7 also horizontally and by the sealing device 18 ( Fig. 3 ).
  • the Foil coil 5 is now compressed in the region of the second seam section 10, wherein the second seam section 10 is sealed against the second film section 11 to form the second seal seam 12 crossing the first sealed seam 9.
  • This is the after Fig. 5 prepared by means of the first seal 9 and after Fig. 6 filled packaging bags 1 closed and completely sealed.
  • the first sealing seam 9 'of the following packaging bag 1' is simultaneously formed by the last-mentioned sealing process in the second seam section 10.
  • the cycle after the Fig. 5 to 9 can be repeated as often as desired, until an arbitrarily long chain pack 26 ( Fig. 2 ) or any number of individual packaging bags 1, 1 '( Fig. 1 ) is made.
  • a support means for the sealed film strip 2 and for the filled chain pack 26 formed therefrom is arranged on the side facing away from the output side end 17 of the forming tube 6 of the sealing device 18 between this and the clamping packing 22 .
  • this support device is stirred in the form of a guide tube 21, through which the sealed film strip 2 passes.
  • the guide tube 21 is rotated synchronously with the forming tube 6 and supports the weight of the foil strip 3 processed and filled into triangular packaging bags 1, 1 ', so that the foil coil 5 is relieved, in particular in the area of the sealing device 18.
  • the separating cut at the cutting line 14 and the perforation 13 on the output side of the jaws 22 or directly to the jaws 22 can be performed.
  • the jaws 22 are provided with a cutting knife, not shown.
  • the perforation 13 can also be made by appropriate knives on the sealing device 18.
  • the film strip 2 is provided at regular intervals with here indicated print marks 39.
  • this printing pattern in a certain recurring position on the packaging bags 1, 1 '( Fig. 1, 2) to come to rest, which is ensured with the print marks 39 and, for example, a non-illustrated opto-electronic pressure mark detection shall be.
  • the print marks 39 always lie in the same circumferential position on the forming tube 6 in the area of the foil coil 5. This leads to the fact that also the aforementioned printing pattern always in the desired position on the packaging bags 1, 1 '( Fig. 1, 2) to come to rest. But there may be deviations of the position of the print marks 39 from their desired position on the forming tube 6, which are detected by the aforementioned print mark detection.
  • the taken from the feeder 37 and wound length of the film strip 2 depends functionally directly from the effective or effective scope of the forming tube 6 from.
  • the effective diameter or circumference of the adjustable cross-section mold tube 6 after Fig. 4 be tracked on the basis of the print mark detection that with each revolution of the forming tube 6, an enlarged or reduced length of the film strip 2 is wound up.
  • This length adjustment can be made such that the aforementioned deviations are compensated and the print marks 39 are at their intended target position. This is an exact positioning of the print pattern on the packaging bags 1, 1 '( Fig. 1, 2) ensured.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Making Paper Articles (AREA)
EP10779252.5A 2009-11-14 2010-11-10 Verfahren zur herstellung von dreieckigen verpackungsbeuteln und anordnung dazu Not-in-force EP2499048B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009053405A DE102009053405A1 (de) 2009-11-14 2009-11-14 Verfahren zur Herstellung von dreieckigen Verpackungsbeuteln und Anordnung dazu
PCT/EP2010/006847 WO2011057776A1 (de) 2009-11-14 2010-11-10 Verfahren zur herstellung von dreieckigen verpackungsbeuteln und anordnung dazu

Publications (2)

Publication Number Publication Date
EP2499048A1 EP2499048A1 (de) 2012-09-19
EP2499048B1 true EP2499048B1 (de) 2013-08-28

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EP10779252.5A Not-in-force EP2499048B1 (de) 2009-11-14 2010-11-10 Verfahren zur herstellung von dreieckigen verpackungsbeuteln und anordnung dazu

Country Status (14)

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US (1) US20130172165A1 (enrdf_load_stackoverflow)
EP (1) EP2499048B1 (enrdf_load_stackoverflow)
JP (1) JP5643833B2 (enrdf_load_stackoverflow)
KR (1) KR20120098778A (enrdf_load_stackoverflow)
CN (1) CN102741124B (enrdf_load_stackoverflow)
AU (1) AU2010318304B2 (enrdf_load_stackoverflow)
CL (1) CL2012001261A1 (enrdf_load_stackoverflow)
DE (1) DE102009053405A1 (enrdf_load_stackoverflow)
IN (1) IN2012DN05022A (enrdf_load_stackoverflow)
MX (1) MX2012005557A (enrdf_load_stackoverflow)
MY (1) MY161276A (enrdf_load_stackoverflow)
RU (1) RU2544625C2 (enrdf_load_stackoverflow)
UA (1) UA105815C2 (enrdf_load_stackoverflow)
WO (1) WO2011057776A1 (enrdf_load_stackoverflow)

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RU2012124409A (ru) 2013-12-20
RU2544625C2 (ru) 2015-03-20
EP2499048A1 (de) 2012-09-19
MY161276A (en) 2017-04-14
KR20120098778A (ko) 2012-09-05
CN102741124A (zh) 2012-10-17
MX2012005557A (es) 2012-11-06
AU2010318304B2 (en) 2014-08-14
JP2013510774A (ja) 2013-03-28
AU2010318304A1 (en) 2012-06-21
WO2011057776A1 (de) 2011-05-19
UA105815C2 (uk) 2014-06-25
CL2012001261A1 (es) 2012-11-16
US20130172165A1 (en) 2013-07-04
CN102741124B (zh) 2014-06-04
JP5643833B2 (ja) 2014-12-17
IN2012DN05022A (enrdf_load_stackoverflow) 2015-08-07

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