EP1145956A1 - Machine verticale de formation, de remplissage et de soudage - Google Patents

Machine verticale de formation, de remplissage et de soudage Download PDF

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Publication number
EP1145956A1
EP1145956A1 EP01201309A EP01201309A EP1145956A1 EP 1145956 A1 EP1145956 A1 EP 1145956A1 EP 01201309 A EP01201309 A EP 01201309A EP 01201309 A EP01201309 A EP 01201309A EP 1145956 A1 EP1145956 A1 EP 1145956A1
Authority
EP
European Patent Office
Prior art keywords
foil
filling tube
joining means
container
transport
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Withdrawn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
EP01201309A
Other languages
German (de)
English (en)
Inventor
Ivo Richard Elias Geukes
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.)
GKS Packaging
Original Assignee
GKS Packaging
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 GKS Packaging filed Critical GKS Packaging
Publication of EP1145956A1 publication Critical patent/EP1145956A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • B65B9/2014—Tube advancing means
    • B65B9/2028—Rollers or belts
    • 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
    • B65B51/303—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes reciprocating along only one axis
    • 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
    • B65B9/2014—Tube advancing means
    • B65B9/2021—Tube advancing means combined with longitudinal welding 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
    • B65B9/213—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

Definitions

  • the invention relates to a device for packaging products in foil material, comprising transport means for supplying a band of foil material from a roll, a vertically disposed filling tube, which is provided with a feed funnel on its inlet side, a guide element mounted around the filling tube near the inlet side, which is provided with shoulder-like parts, over which the foil material can be passed in order to create an elongated container of foil material round the filling tube, first joining means for joining the free longitudinal sides of the foil container, as well as second joining means disposed near the outlet side of the filling tube for forming a joint in a direction transversely to the longitudinal direction of the foil container.
  • a packaging machine as referred to in the introduction makes it possible to package large numbers of products in a quick, efficient and hygienically sound and controlled manner in a substantially automated process.
  • the longitudinal joint is formed in the foil material in one operation by the first joining means.
  • the length of said joint is determined by the constructional dimensions of the first joining means.
  • Such compound joints exhibit a number of drawbacks, since a) the foil material is weakened to a significant degree by the first joining means at the transition between two successive joints, or b) the successive joints do not properly join each other at said transition, resulting in a joint which does not seal the package completely.
  • each foil package is equal to that of one joint or to a multiple thereof: if it is desired to obtain foil packages having a different length with the prior art packaging machines, a setup change of the machines is necessary.
  • the object of the invention is to overcome the aforesaid drawbacks and to provide a packaging machine of the above kind by means of which foil packages of any length can be produced without setup changes or additional operations being required.
  • the packaging machine is according to the invention characterized in that said first joining means form part of said transport means, which are partly in the form of a rotary drum
  • the longitudinal joint can be formed simultaneously with the passing of the foil container. This makes it possible to create a foil package of (in theory) infinite length without successive process steps being required.
  • the longitudinal joint is formed in the foil container in one operation by means of the device according to the invention, said joint does not exhibit the aforesaid drawbacks of a compound joint, viz. a weakened or not completely sealed transition between the successive joints.
  • said first joining means are mounted on or in the surface of the transport drum in the longitudinal direction of the filling tube.
  • the transport drum is positioned near the inlet side of the filling tube.
  • Said transport drum can be mounted on a rotary shaft which lies in the horizontal plane.
  • said device is characterized in that it comprises a sensor which in use detects the presence or absence of the products in the foil container.
  • said sensor is a photocell, which is disposed near the outlet side of the filling tube.
  • said second joining means are mounted on two carriers lying in the same horizontal plane on either side of the outlet side of the filling tube.
  • the second joining means can be moved towards each other for forming the transverse joints that are needed to obtain a foil package of any length.
  • a very compact device having a small 1 overall 1 dimension is obtained in particular in that said transport means and said carriers are jointly accommodated in one part of the housing of the device.
  • the device may furthermore comprise a compressor for driving the transport means and moving the second joining means relative to each other by means of a pressure medium.
  • One embodiment of the device is according to the invention characterized in that said first and/or said second joining means form the joints in the foil material by using heat or friction.
  • FIG. 1 a prior art packaging machine is shown.
  • Said packaging machine comprises a vertically disposed filling tube 1, on the inlet side of which a feed funnel 2 is present.
  • a guide element 3 is fitted round the filling tube, which guide element includes shoulder-like parts 3a and 3b.
  • a band of foil material 4 from a roll is passed over said shoulder-like parts 3a and 3b and subsequently led between filling tube 1 and guide element 3, so that an elongated container of foil material 4a is created around the filling tube.
  • Said passing of the foil material 4 over guide element 3 takes place by transport means (6a, 6b), which are disposed on either side of the vertically disposed filling tube 1.
  • Said transport means 6a, 6b can be placed in abutment with the filling tube 1 by well-known means, and they pass the foil material 4 that is present between the filling tube 1 and the transport means through the device.
  • Guide rollers 5a and 5b serve to guide the foil material 4 in a smooth manner, and furthermore they create a desired pre-tension in the foil material.
  • First joining means 7 are disposed at the longitudinal free sides of the foil container 4a that has been created round the filing tube 1. Said first joining means 7 can likewise be placed in abutment with the filling tube 1 by well-known means, after which the free sides 4c and 4d of the foil material 4 that are present between the filling tube 1 and the joining means 7 are joined by means of friction or heat. In this manner a closed foil container 4a having a longitudinal joint 8 is created.
  • the prior art packaging machine furthermore comprises second joining means 9a and 9b, which are disposed on either side of the outlet side of filling tube 1. Said second joining means 9a and 9b can be moved towards and away from each other by suitable means. By moving second joining means 9a and 9b towards each other, the foil container 4a is pressed together between the two joining means, after which a transverse joint 10a can be formed in the pressed-together foil material by means of heat or friction.
  • the foil container 4a is closed from below, after which it can be filled with all kinds of products, for example cookies and candies, via feed funnel 2.
  • foil container 4a is moved the required distance by transport means 6a and 6b.
  • the second joining means 9a and 9b form a second transverse joint 10b in the foil material just above the products that are present in foil container 4a, so that a foil package 4b is obtained.
  • a transverse joint 10a or 10b is so dimensioned that it can function as the lower joint for the next foil package 4b' at the same time. It is also possible for the second joining means 9a, 9b to form two parallel, closely spaced-apart transverse joints in the foil container 4a in one process step. Furthermore, the second joining means usually comprise cutting or perforating means (not shown), which cut the foil material through or perforate it after having formed the (single or double) joint 10b.
  • foil package 4b can be separated from the foil container 4a and be carried out of the packaging machine for further processing.
  • the length of the transverse joint 8 depends on the constructional dimensions of the first joining means 7.
  • the present first joining means 7 must be exchanged for another type, whose constructional dimensions correspond to the desired length of the joint 8. Not only does this setup change take time, during which the packaging machine is inoperative, but in addition it is necessary to keep a stock of several first joining means 7, each having a different length.
  • the device must carry out additional operations, which slow down the process, viz. pass the foil container 4a through the transport means 6a, 6b over a distance which equals the standard length of the joint 8 (corresponding to the constructional dimensions of the first joining means 7), and subsequently form a next joint 8 by means of said first joining means 7.
  • FIG. 2 shows an embodiment of a packaging machine according to the invention. Parts that correspond to parts of Figure 1 are indicated by the same numerals.
  • the packaging machine according to the invention likewise comprises a vertically disposed filling tube, which is provided with a feed funnel 2. Like the embodiment that is shown in Figure 1, the packaging machine according to the invention comprises a guide element 3 including shoulder-like parts 3a and 3b. A band of foil material 4 from a roll is passed over said shoulder-like parts 3a and 3b via a guide roller 5a so as to create a foil container 4a around filling tube 1, and that in such a manner that the longitudinal free sides 4c and 4d of the foil material 4 overlap.
  • the packaging machine also comprises transport means 6a, 6b, which are disposed on either side of the filling tube 1 and which pass the foil material 4 through the device and along the filling tube 1 in a similar manner as described in Figure 1.
  • Said transport means are in the form of rotary transport drums 6a and 6b, which are mounted on rotary shafts 11a and 11b, respectively.
  • Shaft 11a is movable in the horizontal plane, so that transport drum 6a can be moved towards and away from filling tube 1.
  • transport 6a abuts against filling tube 1, where the long sides 4c and 4c of the foil container 4a being formed overlap.
  • said first joining means 7 form part of the transport drum 6a.
  • said first joining means 7 are mounted on or in the surface of the transport drum 6a, and that in such a manner that they join the overlapping long sides 4c and 4d of the foil material by means of heat or friction upon rotation of transport drum 6a.
  • the joining means 7 are oriented in the longitudinal direction of the filling tube 1 or foil container 4a, therefore.
  • the packaging machine according to the invention is capable of forming a foil container 4a having a longitudinal joint 8 of infinite (in theory) length. Said joint 8 is formed while the foil material 4 is being passed through the machine, and it is not made up of successive joints, as is the case in Figure 1.
  • the packaging machine according to the invention is capable of forming a homogeneous joint whilst avoiding the drawbacks of a compound joint 8 as described above.
  • First joining means 7 can be activated independently of the transport means 6a, 6b, so that it is also possible to pass the foil container through the device without forming a joint 8.
  • the packaging machine according to the invention also comprises second joining means 9a and 9b for forming transverse joints 10a and 10b in foil container 4a.
  • Said second joining means 10a and 10b are mounted on carriers 12a and 12b, respectively, which lie in the same horizontal plane on either side of the outlet side of the filling tube 1.
  • Said carriers and said second joining means can be moved towards and away from each other in order to press the foil container 4a together and form a transverse joint 10a or 10b by means of heat or friction.
  • the shorter filling tube 1 furthermore enables a reduction of the height of fall of the products to be packaged, which is highly desirable in the case of fragile products, such as cookies.
  • the drive shafts 11a and 11b of the transport drums 6a and 6b, respectively, as well as the carriers 12a and 12b of the second joining means 9a and 9b are jointly accommodated in a part 13 of housing 18 of the packaging machine. Since the above parts and the parts to be driven are accommodated on one side of the housing 18, a considerable gain as regards the overall dimension is obtained in horizontal direction as well. As a result of this construction, the device is readily accessible from one side, which makes it easy to carry out maintenance work.
  • the packaging machine furthermore comprises a compressor 15 (not shown) for driving the shafts 11a, 11b and the respective carriers 12a and 12b that are accommodated in housing part 13 by means of a pressure medium, for example compressed air.
  • a pressure medium for example compressed air. Since the packaging machine according to the invention can be connected to a 220 V power source, the packaging machine is easy to transport and to install, owing to its small horizontal and vertical overall dimensions, whilst the user is not required to provide any specific power sources, such as high-voltage current or a system of compressed air lines.
  • Joining means 7 and 9a, 9b are energized by the control means via suitable connection leads.
  • control of the packaging machine for example PLC control
  • the control of the packaging machine can be programmed or adjusted in a simple manner by means of a suitable input panel 14. It is possible to adjust a desired length of the foil package 4b via said input panel 14, or, depending on the type of foil material 4, to set the operating temperature of the various joining means 7, 9a and 9b.
  • the transport means 6a, 6b pass the foil material 4 through the device at a constant speed, the length of the foil material 4 being passed through can be easily determined on the basis of the time that has passed, and subsequently be compared with the desired length that has been set via the input panel. On the basis of this comparison, the second joining means 9a and 9b will be excited at the right moment by the control means so as to form transverse joint 10b.
  • a more flexible use of the packaging machine wherein the packaging machine is not driven on the basis of a pre-set package length, can be obtained by using a sensor or photocell 17 disposed near the outlet side of filling tube 1, which detects the presence of the products that are present in the foil package 4b.
  • the transport means 6a, 6b will be driven by the sensor, via the control means, to move the foil container 4a a specific distance yet (whilst the longitudinal joint 8 is formed by the first joining means 7 simultaneously therewith), after which the second joining means 9a, 9b will be activated.
  • the length of the foil package 4b is directly determined by the quantity of products to be packaged, and premature sealing of the foil package 4b is prevented.
  • the filling tube 1 may be provided with two diverging spreader pins 1a and 1b at its outlet side. Said pins keep the closed foil container 4a open, so that said container is easier to fill with the products to be packaged, which products are being supplied via the feed funnel 2.
  • an outlet element 1c can be used, which can be fitted round the free end of filling tube 1.
  • the drive shafts 11a and 1b can likewise be moved towards and away from each other, in order to make it easier to introduce a new band of foil material 4 by hand, for example.
  • the two transport drums 6a and 6b come into contact with the filing tube 1 repeatedly, therefore.
  • the feed funnel 2 is provided with a stiffening 2 in order to be capable of absorbing the forces that are thus set up in filling tube 1.
  • the packaging machine according to the invention is very suitable for creating so-called cushion-like foil packages B of any bag length.
  • the packaging machine may be fitted with pins 19 to be driven by the control means, which can be moved towards each other the moment a transverse joint 10a or 10b is being formed by second joining means 9a and 9b.
  • the foil material 4 is folded at the joint 10a (10b), so that a so-called block bag rather than a cushion-like bag is formed.
  • packaging machine can be operated by means of a foot switch 16 by operating staff.
EP01201309A 2000-04-10 2001-04-09 Machine verticale de formation, de remplissage et de soudage Withdrawn EP1145956A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1014892A NL1014892C2 (nl) 2000-04-10 2000-04-10 Verpakkingsmachine.
NL1014892 2000-04-10

Publications (1)

Publication Number Publication Date
EP1145956A1 true EP1145956A1 (fr) 2001-10-17

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ID=19771173

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EP01201309A Withdrawn EP1145956A1 (fr) 2000-04-10 2001-04-09 Machine verticale de formation, de remplissage et de soudage

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EP (1) EP1145956A1 (fr)
NL (1) NL1014892C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014141301A (ja) * 2012-12-26 2014-08-07 Kureha Corp 筒状体製造装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB994941A (en) * 1962-03-21 1965-06-10 Packaging Frontiers S A Packaging
FR86749E (fr) * 1964-07-24 1966-04-01 Parisienne Des Usines Holweg S Machine pour emballer des objets avec une matière foliiforme
DE2145638A1 (de) * 1971-09-13 1973-03-22 Franco Toss Schlauchbeutelmaschine
DE2932236A1 (de) * 1979-08-09 1981-02-26 Hassia Verpackung Gmbh Vorrichtung zum herstellen von dreiseiten-siegelrandbeuteln
GB2127769A (en) * 1982-09-30 1984-04-18 Pneumatic Scale Corp A bag forming and filling machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB994941A (en) * 1962-03-21 1965-06-10 Packaging Frontiers S A Packaging
FR86749E (fr) * 1964-07-24 1966-04-01 Parisienne Des Usines Holweg S Machine pour emballer des objets avec une matière foliiforme
DE2145638A1 (de) * 1971-09-13 1973-03-22 Franco Toss Schlauchbeutelmaschine
DE2932236A1 (de) * 1979-08-09 1981-02-26 Hassia Verpackung Gmbh Vorrichtung zum herstellen von dreiseiten-siegelrandbeuteln
GB2127769A (en) * 1982-09-30 1984-04-18 Pneumatic Scale Corp A bag forming and filling machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014141301A (ja) * 2012-12-26 2014-08-07 Kureha Corp 筒状体製造装置

Also Published As

Publication number Publication date
NL1014892C2 (nl) 2001-10-11

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