EP1510461A1 - Tubular bagging machine - Google Patents

Tubular bagging machine Download PDF

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Publication number
EP1510461A1
EP1510461A1 EP03021014A EP03021014A EP1510461A1 EP 1510461 A1 EP1510461 A1 EP 1510461A1 EP 03021014 A EP03021014 A EP 03021014A EP 03021014 A EP03021014 A EP 03021014A EP 1510461 A1 EP1510461 A1 EP 1510461A1
Authority
EP
European Patent Office
Prior art keywords
welding means
foil
bagging machine
foil tube
separating devices
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Withdrawn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
EP03021014A
Other languages
German (de)
French (fr)
Inventor
Peter Joseph Hendriks
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.)
GEA Food Solutions Weert BV
Original Assignee
CFS Weert BV
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 CFS Weert BV filed Critical CFS Weert BV
Priority to EP03021014A priority Critical patent/EP1510461A1/en
Publication of EP1510461A1 publication Critical patent/EP1510461A1/en
Withdrawn legal-status Critical Current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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • 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
    • 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
    • B65B9/2042—Means for altering the cross-section of the tube filling opening prior to transversal sealing, e.g. tube spreading devices
    • 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

Definitions

  • the present invention relates to a bagging machine to produce packaging items.
  • the machine comprises a forming shoulder to form a flat foil web into a foil tube, a transportation means to transport the foil tube, a fill pipe to maintain the foil tube and fill the packaging item, a longitudinal welding device to seal the web longitudinally, welding means to create cross seams and a separating device to separate the packaging items.
  • the invention further relates to a process to produce a bag that does not have a tabular shape.
  • the a. m. packaging machines are known to produce tabular bags.
  • a bagging machine is disclosed that allows to produce a tabular bag with four welded edges.
  • these bagging machines are not suitable to produce e. g. bags with at least one trapezoid cross section.
  • a bagging machine to produce packaging items, comprising a forming shoulder to form a flat foil web into a foil tube, a foil transportation means to transport the foil tube, a fill pipe to maintain the foil tube and fill the packaging item, a longitudinal welding device to seal the web longitudinally, welding means to create cross seams and a separating device to separate the packaging items, whereas the welding means and/or the separating devices are, at least partially, not perpendicular to the transportation direction of the foil tube.
  • the a. m. packaging machine allows to produce bags with a large variety of cross sections.
  • the inventive bagging machine is produced by and operated easily and costs efficiently.
  • the welding means and/or the separating devices are, at least partially, not perpendicular to the transportation direction of the foil tube.
  • the welding means or separating means have at least partially e.g. a curved shape and/or are tilted with respect of the transportation direction of the foil tube. More preferably the welding means and/or the separating devices are over the entire length, not perpendicular to the transport direction of the foil tube.
  • the welding means and/or the separating devices are rotatable around a vertical axis.
  • This embodiment of the present invention allows to produce, e. g. a bag with a trapezoid cross section.
  • the welding means and/or the separating devices are shiftable around a horizontal axis.
  • This embodiment of the present invention allows to produce e. g. bags with a trapezoid cross section, too.
  • the rotation or the shifting around the vertical or horizontal axis takes place after every welding of a cross seam.
  • the bagging machine further comprises side fold producers which are also, at least partially, not perpendicular to the transportation direction of the foil tube.
  • Another subject matter of the present invention is a process to produce a bag, whereas a flat foil web is formed into a foil tube, a longitudinal seal is applied with a longitudinal welding device and a first and a second cross seam is created with welding means and the bags are separated with a separating device, whereas the position of the welding means and/or of the separating devices is altered between the creation of the first and the second seam.
  • the welding means and/or the separating devices are rotated, preferably a horizontal or vertical axis.
  • first and second side folds are created by side fold producers and the position of the side fold producers is altered between the creation of the first and the second side fold.
  • Figure 1 shows a front view of the principle of the inventive bagging machine 1.
  • a flat foil web is unwound from a storage roler 3 and fed over a guiding roler to a forming shoulder 5.
  • the forming shoulder 5 has a asymmetrical form.
  • the flat foil web 2 is formed into a tabular form.
  • a foil removing means 6 is used to further transport the foil tube 8 and thus, the foil web in a transportation direction as indicated by an arrow 19.
  • the longitudinal welding device 16 allows to produce the longitudinal seal 15 as shown in figure 2.
  • the fill pipe 7 receives the foil web 2 which has been formed into a foil tube 8.
  • the jaws 9 of the transverse welding means 10 can be moved towards one another into and out of the plane of the drawing of figure 1 and are used to produce cross seams 11 (compare figure 2) on the foil tube 8.
  • a separating device 12 is housed in one of the jaws 9 in order to cut the foil tube 8 at each cross seam 11.
  • Two pair of side fold producers 14, 14' are provided on the transverse welding device 10.
  • the side fold producers 14, 14' are moved against one another (towards one another) and into the foil tube 8, which is between them in order to create side folds in the bag 13.
  • One pair of side folds is provided in foil transportation direction in front of the transverse welding device 10 and one pair is provided after the transverse welding device.
  • the transverse welding device 10 seals together the tips of the side fold, respectively.
  • the transverse welding device, the separating device as well as the side fold producers are not perpendicular to the direction of flow, but tilted by an angle ⁇ , which depends on the desired shape of the bag.
  • a bag with a rhomboid cross section i.e. a cross section shaped like a parallelogram
  • the a. m. means are rotatable around a horizontal axis (20) or around a vertical axis (17) by 180° a bag with a trapezoid cross section can be manufactured.
  • Figure 2 shows a bag with a trapezoid cross section.
  • the bag has one longitudinal seal (15) and two cross seams (11) each sealing together two foldings (not depicted).
  • Figure 3 shows a frequence of two produced bags 13 with a trapezoid cross section. It can be seen that, in order not to waste any packaging material, the bags are produced mirror symmectrically.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Abstract

The present invention relates to a tabular bagging machine (1) to produce tabular packaging items (13) comprising a forming shoulder (5) to form a flat foil web (2) into a foil tube (8), a transportation means (6) to transport the foil tube, a fill pipe (7) to maintain the foil tube, a longitudinal welding device (16) to seal the web longitudinally, welding means (10) to create cross seams (11) and a separating device (12) to separate the packaging items.

Description

The present invention relates to a bagging machine to produce packaging items. The machine comprises a forming shoulder to form a flat foil web into a foil tube, a transportation means to transport the foil tube, a fill pipe to maintain the foil tube and fill the packaging item, a longitudinal welding device to seal the web longitudinally, welding means to create cross seams and a separating device to separate the packaging items. The invention further relates to a process to produce a bag that does not have a tabular shape.
The a. m. packaging machines are known to produce tabular bags. In US 2001/0005979 A1, e. g. a bagging machine is disclosed that allows to produce a tabular bag with four welded edges. However, these bagging machines are not suitable to produce e. g. bags with at least one trapezoid cross section.
It was therefore the problem of the present invention to provide a bagging machine that overcomes the above mentioned disadvantages.
The problem is solved with a bagging machine to produce packaging items, comprising a forming shoulder to form a flat foil web into a foil tube, a foil transportation means to transport the foil tube, a fill pipe to maintain the foil tube and fill the packaging item, a longitudinal welding device to seal the web longitudinally, welding means to create cross seams and a separating device to separate the packaging items, whereas the welding means and/or the separating devices are, at least partially, not perpendicular to the transportation direction of the foil tube.
It was totally surprising and could not have been expected by a person skilled in the art that the a. m. packaging machine allows to produce bags with a large variety of cross sections. The inventive bagging machine is produced by and operated easily and costs efficiently.
According to the present invention, the welding means and/or the separating devices are, at least partially, not perpendicular to the transportation direction of the foil tube. This means that the welding means or separating means have at least partially e.g. a curved shape and/or are tilted with respect of the transportation direction of the foil tube. More preferably the welding means and/or the separating devices are over the entire length, not perpendicular to the transport direction of the foil tube.
In a preferred embodiment of the present invention, the welding means and/or the separating devices are rotatable around a vertical axis. This embodiment of the present invention allows to produce, e. g. a bag with a trapezoid cross section.
In another preferred embodiment of the present invention, the welding means and/or the separating devices are shiftable around a horizontal axis. This embodiment of the present invention allows to produce e. g. bags with a trapezoid cross section, too.
Preferably, the rotation or the shifting around the vertical or horizontal axis takes place after every welding of a cross seam.
In another preferred embodiment of the present invention, the bagging machine further comprises side fold producers which are also, at least partially, not perpendicular to the transportation direction of the foil tube.
Another subject matter of the present invention is a process to produce a bag, whereas a flat foil web is formed into a foil tube, a longitudinal seal is applied with a longitudinal welding device and a first and a second cross seam is created with welding means and the bags are separated with a separating device, whereas the position of the welding means and/or of the separating devices is altered between the creation of the first and the second seam.
Preferably, the welding means and/or the separating devices are rotated, preferably a horizontal or vertical axis.
In another preferred embodiment of the inventive process, first and second side folds are created by side fold producers and the position of the side fold producers is altered between the creation of the first and the second side fold.
The created bags and the bagging machine of the invention will be described in greater detail hereinafter in connection with the drawings which illustrate exemplary embodiments and in which:
  • Figure 1 is a front view of the principle of the bagging machine.
  • Figure 2 is a cross-sectional view of the created bags and
  • Figure 3 is a sequence of two created bags.
    • Figure 1 shows a front view of the principle of the inventive bagging machine 1. A flat foil web is unwound from a storage roler 3 and fed over a guiding roler to a forming shoulder 5. In the present case, the forming shoulder 5 has a asymmetrical form. On the forming shoulder 5, the flat foil web 2 is formed into a tabular form. A foil removing means 6 is used to further transport the foil tube 8 and thus, the foil web in a transportation direction as indicated by an arrow 19. The longitudinal welding device 16 allows to produce the longitudinal seal 15 as shown in figure 2. The fill pipe 7 receives the foil web 2 which has been formed into a foil tube 8. The jaws 9 of the transverse welding means 10 can be moved towards one another into and out of the plane of the drawing of figure 1 and are used to produce cross seams 11 (compare figure 2) on the foil tube 8. A separating device 12 is housed in one of the jaws 9 in order to cut the foil tube 8 at each cross seam 11. Two pair of side fold producers 14, 14' are provided on the transverse welding device 10. The side fold producers 14, 14' are moved against one another (towards one another) and into the foil tube 8, which is between them in order to create side folds in the bag 13. One pair of side folds is provided in foil transportation direction in front of the transverse welding device 10 and one pair is provided after the transverse welding device. The transverse welding device 10 seals together the tips of the side fold, respectively.
    According to the present invention, the transverse welding device, the separating device as well as the side fold producers are not perpendicular to the direction of flow, but tilted by an angle α, which depends on the desired shape of the bag. If the welding means 10, the separation device 12 and the side fold producers are stationary, a bag with a rhomboid cross section (i.e. a cross section shaped like a parallelogram) can be produced. If the a. m. means are rotatable around a horizontal axis (20) or around a vertical axis (17) by 180° a bag with a trapezoid cross section can be manufactured.
    Figure 2 shows a bag with a trapezoid cross section. The bag has one longitudinal seal (15) and two cross seams (11) each sealing together two foldings (not depicted).
    Figure 3 shows a frequence of two produced bags 13 with a trapezoid cross section. It can be seen that, in order not to waste any packaging material, the bags are produced mirror symmectrically.
    Reference numbers:
    1
    bagging machine
    2
    foil web
    3
    storage roller
    4
    guide roller
    5
    forming shoulder
    6
    transportation means
    7
    fill pipe
    8
    foil tube
    9
    jaws
    10
    welding means
    11
    cross seams
    12
    separating device
    13
    produced bag
    14
    side folds producers
    15
    longitudinal seal
    16
    longitudinal welding device
    17
    centerline
    18
    length
    19
    transportation direction
    20
    horizontal axis

    Claims (10)

    1. A bagging machine (1) to produce packaging items (13), comprising a forming shoulder (5) to form a flat foil web (2) into a foil tube (8), a foil transportation means (6) to transport the foil tube (8), a fill pipe (7) to maintain the foil tube (8), a longitudinal welding device (16) to seal the web longitudinally, welding means (10) to create cross seams (11) and a separating device (12) to separate the packaging items, characterized in, that the welding means (10) and/or the separating devices (12) are at least partially not perpendicular to the transportation direction (19) of the foil tube (8).
    2. Bagging Machine according to claim 1, characterized in, that the welding means (10) and/or the separating devices (12) are over their entire length not perpendicular to the transportation direction of the foil tube (8).
    3. Bagging machine according to one of the preceding claims, characterized in, that the welding means (10) and/or the separating devices (12) are rotatable, around a vertical axis (17).
    4. Bagging machine according to claim 1 or 2, characterized in, that the welding means (10) and/or the separating devices (12) are shiftable, around a horizontal axis (20).
    5. Bagging machine according to one of the preceding claims, characterized in, that the welding means (10) and/or the separating devices (12) are curved.
    6. Bagging machine, according to one of the preceding claims, characterized in, that it comprises side folds producers (14), which are at least partially not perpendicular to the transportation direction (19) of the foil tube (8).
    7. Process to produce a bag, whereas a flat foil web is formed into a foil tube, a longitudinal seal is applied with a longitudinal welding device (16) and a first and a second cross seam (11) is created with welding means (10) and the bags are separated with a separating device (12), characterized in, that the position of the welding means (10) and/or of the separating devices (12) is altered between the creation of the first and the second seam.
    8. Process according to claim 7, characterized in, that the welding means (10) and/or of the separating devices (12) are rotated, preferably around a horizontal axis (20).
    9. Process according to claim 7, characterized in, that the welding means (10) and/or of the separating devices (12) are ratated, preferably around a vertical axis (17).
    10. Process according to anyone of the preceding claims, characterized in, that a first and a second side fold is crated by side folds producers (4) and that the position of the side folds producers (4) is altered between the creation of the first and the second side fold.
    EP03021014A 2003-08-25 2003-09-17 Tubular bagging machine Withdrawn EP1510461A1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    EP03021014A EP1510461A1 (en) 2003-08-25 2003-09-17 Tubular bagging machine

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    EP03019168 2003-08-25
    EP03019168 2003-08-25
    EP03021014A EP1510461A1 (en) 2003-08-25 2003-09-17 Tubular bagging machine

    Publications (1)

    Publication Number Publication Date
    EP1510461A1 true EP1510461A1 (en) 2005-03-02

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    EP03021014A Withdrawn EP1510461A1 (en) 2003-08-25 2003-09-17 Tubular bagging machine

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    Cited By (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE102005003769A1 (en) * 2005-01-27 2006-08-10 Rovema - Verpackungsmaschinen Gmbh Vertical bag forming, filling and sealing machine has adjusting unit on transverse sealing station to adjust angle between welding jaws and horizontal and stretches above horizontal on tube side opposite side fold producer
    US20160059973A1 (en) * 2013-03-28 2016-03-03 Tetra Laval Holdings & Finance S.A. Method of manufacturing a package, a web of packaging material, a package and a filling machine
    WO2016120273A1 (en) * 2015-01-27 2016-08-04 Nestec S.A. Packaging and process for making it
    EP4335624A1 (en) 2022-09-06 2024-03-13 Syntegon Packaging Solutions B.V. Packaging material sealing device, packaging machine and method for operating a packaging material sealing device

    Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2102442A5 (en) * 1970-08-04 1972-04-07 Prepac Sarl
    GB2271753A (en) * 1992-10-21 1994-04-27 Harrison Simpkin Form, fill and seal packaging with inclined transverse seals
    US20010005979A1 (en) * 1999-12-01 2001-07-05 Gerhard Kuss Tubular bagging machine
    EP1291290A1 (en) * 2001-09-07 2003-03-12 Tetra Laval Holdings & Finance S.A. Stand-up pouch for packaging food products
    US6539692B1 (en) * 1998-12-18 2003-04-01 Siptop Packaging, Inc. Form, fill and seal container forming apparatus

    Patent Citations (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    FR2102442A5 (en) * 1970-08-04 1972-04-07 Prepac Sarl
    GB2271753A (en) * 1992-10-21 1994-04-27 Harrison Simpkin Form, fill and seal packaging with inclined transverse seals
    US6539692B1 (en) * 1998-12-18 2003-04-01 Siptop Packaging, Inc. Form, fill and seal container forming apparatus
    US20010005979A1 (en) * 1999-12-01 2001-07-05 Gerhard Kuss Tubular bagging machine
    EP1291290A1 (en) * 2001-09-07 2003-03-12 Tetra Laval Holdings & Finance S.A. Stand-up pouch for packaging food products

    Cited By (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE102005003769A1 (en) * 2005-01-27 2006-08-10 Rovema - Verpackungsmaschinen Gmbh Vertical bag forming, filling and sealing machine has adjusting unit on transverse sealing station to adjust angle between welding jaws and horizontal and stretches above horizontal on tube side opposite side fold producer
    US20160059973A1 (en) * 2013-03-28 2016-03-03 Tetra Laval Holdings & Finance S.A. Method of manufacturing a package, a web of packaging material, a package and a filling machine
    US10315790B2 (en) * 2013-03-28 2019-06-11 Tetra Laval Holdings & Finance S.A. Method and apparatus for manufacturing a tetrahedral package
    WO2016120273A1 (en) * 2015-01-27 2016-08-04 Nestec S.A. Packaging and process for making it
    EP4335624A1 (en) 2022-09-06 2024-03-13 Syntegon Packaging Solutions B.V. Packaging material sealing device, packaging machine and method for operating a packaging material sealing device

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