US20110162327A1 - Method and plant for packaging liquid products in a flexible bag - Google Patents

Method and plant for packaging liquid products in a flexible bag Download PDF

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Publication number
US20110162327A1
US20110162327A1 US11/815,253 US81525306A US2011162327A1 US 20110162327 A1 US20110162327 A1 US 20110162327A1 US 81525306 A US81525306 A US 81525306A US 2011162327 A1 US2011162327 A1 US 2011162327A1
Authority
US
United States
Prior art keywords
filling
flexible bags
flexible
strip
plug
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.)
Abandoned
Application number
US11/815,253
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English (en)
Inventor
Thierry MINAUD
Franck Trotignon
Michel Capelle
Didier Pontcharraud
Cendrine LALLEMENT
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.)
Smurfit Kappa Bag in Box SA
Original Assignee
Smurfit Kappa Bag in Box SA
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 Smurfit Kappa Bag in Box SA filed Critical Smurfit Kappa Bag in Box SA
Priority claimed from PCT/FR2006/050114 external-priority patent/WO2006085031A1/fr
Publication of US20110162327A1 publication Critical patent/US20110162327A1/en
Abandoned 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/186—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying or incorporating rigid fittings, e.g. discharge spouts
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/123—Feeding flat bags connected to form a series or chain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/813—Applying closures
    • B31B70/8131—Making bags having interengaging closure elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B31B70/844—Applying rigid valves, spouts, or filling tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/98—Delivering in stacks or bundles
    • B31B70/982—Delivering in stacks or bundles involving folding of the 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/045—Methods of, or means for, filling the material into the containers or receptacles for filling flexible containers having a filling and dispensing spout, e.g. containers of the "bag-in-box"-type

Definitions

  • the invention relates to a method for packaging, in a flexible bag, liquid or non-liquid, foodstuff or non-foodstuff, sterile or non-sterile products.
  • U.S. Pat. No. 3,868,891 which describes a device for the continuous manufacturing of flexible bags equipped with a plug, packed in strips in a box.
  • the manufacturing process permits continuous production of a strip of flexible bags from two plastic films, or more films in the case of multilayer bags.
  • the bags are joined edge to edge so as to constitute a single tube, welded and punched at regular intervals, so as to incorporate, in particular, a plug designed for receiving a stopper.
  • a first operation consists of removing the tap from the plug through which the product is injected into the wine skin
  • the tap is re-inserted into the plug for a complete snapping-in.
  • the filling operation can pollute the area of the second transversal welding, by splashing or the like, making this welding, also in this case, not very reliable.
  • the wine skins are made by simultaneous unrolling two multilayer complex films, a hole being punched in one of these films, at regular intervals, the hole for receiving and welding a plug on which a tap is pre-fitted.
  • the two films are welded one over the other so as to form the wine skins that are separated from each other through successive transversal cuts in a cutting unit specifically designed for this purpose.
  • the wine skin because of its filling weight, usually falls by gravity, directly or through a guiding funnel into a preformed cardboard box and remains open in its upper portion.
  • the opening in the lower portion of the funnel should be of a smaller section than that of the cardboard box in order to ensure the insertion of the bag alone without any tear through the opening preserved at the level of this cardboard box.
  • the risk of their blocking in the funnel increases, since their weight is not sufficient to force their passing through the latter whose outlet opening has a reduced cross-section.
  • the friction of the wine skin against the walls of the funnel can also result into wear that can cause a leak, and even rupture, of the wine skin.
  • This invention pretends, finally, to cope with the disadvantages of the state of the art mentioned above.
  • this invention regards, in particular, a method for packaging, in a flexible bag, liquid or non-liquid, foodstuff or non-foodstuff, sterile or non-sterile products, characterized in that:
  • the method according to the invention consists of the following steps:
  • a tightness check operation can be performed, in particular by prior compression and weighing.
  • the flexible bags during the production of the flexible bags, there is made, by superimposing at least two films made of a suitable synthetic material, a strip including two or more rows of juxtaposed bags, and this strip of multiple rows of flexible bags is packed in a sealed transportation box.
  • said multiple-row strip is inserted into a longitudinal and transversal cutting unit in order to separate the flexible bags. Thanks to an appropriate streamlining, this cutting unit ensures the protection of the flexible bags against any foreign body.
  • the advantages derived from this invention consist, first of all, of avoiding the pre-fitting of the stopper, such as a distribution tap, onto the filling plug.
  • the stopper such as a distribution tap
  • the plug and the body of the stopper in particular the tap, were to be designed capable of permitting a pre-fitting with a view to a subsequent removal of the stopper, these features are no longer necessary in the solution according to the invention.
  • the height of the plug and the length of the body of the tap can be smaller in order to permit just a final fitting of one into the other. This results into an obvious saving of material. This also significantly reduces the quantity of trapped oxygen, thus contributing to a better preservation of the packaged products sensitive to oxidation. Furthermore, the bulk is decreased for the packaging.
  • the packaging of such a strip, directly at the end of the production line, in a large-size sealed transportation box is made easier.
  • the smaller protuberances that the filling plugs define are alternately arranged.
  • Another advantage of the invention resides in reducing the waste during the manufacturing of the layers. As a matter of fact, manufacturing several rows permits reduction of the excess widths, compared with traditional manufacturing machines producing only in single rows.
  • the separation of the flexible bags, starting from a multiple-row strip, at the filling place is an operation that is conducted not only very easily, but it avoids making pre-cutting lines as was required in the past.
  • FIG. 1 is a schematic view of a production line showing the method for making a strip having several rows of flexible bags equipped with a filling plug without distribution tap.
  • FIG. 2 shows a schematic view of the step of packaging said plug in a suitable package box.
  • FIG. 3 shows a schematic view showing the plant for filling the flexible bags arriving from a multiple-row strip.
  • FIG. 4 shows a schematic view of the steps of packaging of a filled flexible bag in a cardboard box formed around a tubular shaping core crowned by a funnel for inserting a flexible bag.
  • FIG. 5 shows a top schematic view of the synchronized transfer of the distribution taps toward the rotary filling machine via a transfer star.
  • FIG. 6 shows another top schematic view of the rotary filling machine having two stations for feeding flexible bags.
  • FIG. 7 shows a sectional view of a tap during its final fitting on a plug, after filling the flexible bags, since said tap and said plug according to the invention do not permit pre-capping.
  • FIG. 8 is a sectional view similar to FIG. 7 showing, during their fitting, a plug and a tap, called standard, permitting pre-capping.
  • this invention refers to a method for packaging, in a flexible bag, liquid or non-liquid, foodstuff or non-foodstuff, sterile or non-sterile products.
  • this method consists of making a strip 1 of at least two rows 1 A, 1 B, 1 C, 1 D of flexible bags 2 by superimposing and welding at least two films 3 , 4 made of an appropriate material.
  • the structure of the upper film 3 and the structure of the lower film 4 that are superimposed for welding, can actually be in the form of a multilayer complex based on several films 3 A, 3 B, 4 A, 4 B simultaneously unwound from reels 5 arranged in the upstream portion of the line 7 for manufacturing this strip 1 of flexible bags 2 .
  • the upper one 3 is subjected to a punching operation at regular intervals so as to create at least two rows of openings for introducing and welding a plug 6 on which can be finally fitted, subsequently on the line for filling the flexible bags 2 , a stopper 12 , such as a distribution tap.
  • the width of the longitudinal and transversal welding lines is determined so as to guarantee the tightness of the different flexible bags once they have been separated, like between two successive rows or two flexible bags following each other, a spaced double welding line can be made.
  • the strip 1 of flexible bags 2 including only one plug 6 is packed in a suitable sealed transportation box 8 , as shown in FIG. 2 .
  • the width 9 of this strip 1 can be substantially adjusted to that 10 of said box 8 , which permits the orderly folding of said strip 1 in the latter, without any risk of entanglement during transportation.
  • this strip 1 can be folded in an automated manner in zigzag in the box 8 .
  • FIGS. 3 and 6 show the unit for filling 11 the flexible bags 2 at the place of manufacturing of the product that the latter should contain.
  • the bags 2 are separated from each other starting from the multiple-row strip 1 , in order to position successively the plug 6 of each of said flexible bags 2 under a filling station.
  • a stopper in particular a distribution tap 12 , is finally fitted on its plug 6 .
  • the flexible bags 2 can be subjected to a tightness check operation, in particular by prior compression, then weighing, so that in the case of leaking, the risk of contamination is as low as possible. Said tightness check can also be carried out in a different way, in particular by putting the flexible bags in a vacuum chamber.
  • a preliminary putting under vacuum can be carried out by the latter or an auxiliary head, in order to suck the air content in a flexible bag 2 before injecting therein the product to be packaged.
  • the presence of air results into frothing the product, hampering the filling operation.
  • the air, in particular oxygen, still contained in the flexible bag 2 can be neutralized by injecting an appropriate gas, such as nitrogen or the like.
  • FIGS. 7 and 8 respectively show a plug 6 A and a tap 12 A not allowing pre-fitting or pre-capping (a solution that can be implemented through this invention) and a plug 6 B to which is adapted a tap 12 B allowing pre-capping necessary in the operating modes of the state of the art.
  • both the plug 6 B and the body 25 B of the tap 12 B are of a more considerable height with respect to the plug 6 A and the body 25 A of the tap 12 A shown in FIG. 7 .
  • the stopper 12 can also be subjected to a decontamination and in particular of sterilization operation in the case of sterile applications, immediately before its final fitting on a plug 6 of a flexible bag 2 after filling the latter.
  • the filling unit 11 is preferably of the type with multiple stations mounted on a rotary table 14 permitting to subject a flexible bag to a series of operations in masked time in order to optimize the production rhythms.
  • the transfer of the distribution tap 12 to this filling unit 11 in the form of a rotary table 14 advantageously occurs in a synchronized way by means of a transfer star 24 as shown in FIGS. 5 and 6 .
  • FIG. 5 also shows that between the transfer star 24 and the filling unit 11 , an identical profile allows perfect synchronization and that, therefore, the transfer star 24 permits supply of the distribution tap 12 at the maximum speed of the filling machine.
  • said filling machine and more specifically the means of which it is comprised, are controlled by fixed or movable cams distributed around the axis of rotation of the rotary table 14 .
  • the stopper 12 and the plug 6 define per se cams for controlling the opening of jaws designed to seize, as the case may be, said stopper 12 or said plug 6 .
  • the flexible bags 2 are evacuated toward a packaging station 13 .
  • this packaging unit 13 can be linear, according to a particular design of the invention, it is in the form of a rotary table 15 having multiple stations for depositing the flexible bags 2 in cardboard box packages or the like.
  • the package cardboard boxes 16 arrive preformed at the level of a station for feeding cardboard boxes in order to be transferred, afterwards, to the level of a loading station, under a funnel 18 for inserting a flexible bag 2 .
  • a flexible bag 2 is poured by gravity, passing through the funnel 18 , into said cardboard box 16 maintained open in its upper portion.
  • Said cardboard box 16 is then brought toward the following station 22 where it can be directly evacuated, considering that said station can also ensure a certain finish, for example ensuring the closing of the upper portion of said cardboard box, while equipping it, should the case arise, with a gripping handle.
  • the funnel 18 for the insertion of a flexible bag 2 is extended in its lower portion by an insertion tube 17 designed capable of plunging into a package cardboard box 16 , substantially along the full height of the latter.
  • the cardboard box 16 while passing from the cardboard-box feeding station to the loading station is subjected to an upward movement in order to be put on said insertion tube 17 , considering that it can also be contemplated to rather move the latter and the funnel 18 associated thereto in order to achieve the desired result.
  • the advantage of extending the funnel 18 by such an insertion tube 17 resides in that during the fall of the flexible bag 2 the latter does not rub along the walls of the cardboard box 16 and does not risk to be damaged by the latter, in particular at the junction with the flaps of said cardboard box 16 .
  • this rotary packaging unit 13 such a package cardboard box 16 is preformed around said insertion tube 17 substantially constituting a shaping core.
  • this packaging unit 13 are conveyed the flexible bags 2 proceeding from the filling unit 11 . It is also fed with cardboard box cut-outs 19 .
  • one of said cut-outs 19 is first of all folded around the shaping core 17 so as to pre-shape the package cardboard box 16 , that is furthermore closed in its lower portion.
  • said package cardboard box 16 in which the shaping core 17 is inserted, is placed under a station for loading filled flexible bags 2 .
  • Such flexible bag 2 falls by gravity into said package cardboard box 16 , guided by the insertion funnel 18 and said insertion tube 17 .
  • this package cardboard box 16 is removed from the shaping core 17 with a view to its closing in the upper portion.
  • the packaging unit 13 is designed in a rotary shape including several stations, each comprising a funnel 18 that extends an insertion tube 17 , as well as a certain number of means as those necessary for picking up a pre-shaped cardboard box 16 or a cardboard box cut-out 19 , and even finishing means.
  • this packaging unit 13 in particular the means of each station, is controlled by cams.
  • the rotary table 15 As to the rotary table 15 itself, it is driven by appropriate controlling means.
  • this cardboard box 16 At the level of the finishing station 22 , by closing this cardboard box 16 subsequently, it can be equipped with a transportation handle. Also, it can receive all necessary advertising or regulatory labeling. Referring back to the filling unit 11 , the latter is fed with flexible bags 2 through a unit for cutting and separating 23 said flexible bags from a multiple-row strip 1 . In particular, this unit is streamlined in order to guarantee the protection of the flexible bags 2 against any foreign body.
  • Said cutting unit 23 can be equipped with cutting tools, both transversal and longitudinal.
  • the plugs 6 of the flexible bags 2 are used as marks, which necessarily keep between them a predefined distance both in the longitudinal and in the transversal direction at the level of the strip 1 .
  • said cutting unit includes 23 .
  • this cutting operation is performed on a reduced strip length, and therefore subjected to small deformation tensions. Therefore, through such locating means formed, as the case maybe, by the plugs or the marks on the strip, it is possible to achieve very high precision at the level of the cutting. In particular, such a cutting can be made at the level of a welding line, which permits optimization of the strip widths. It will be reminded, in this connection, that within the scope of the state of the art, the cutting was usually performed between two parallel welding lines, causing increased film consumption for an identical number of flexible bags produced.
  • the packaging unit 13 and the elements it is comprised of, as well as the eventual stations for pre-shaping the cardboard boxes upstream, or for finishing the filled cardboard boxes downstream, are designed to be controlled by fixed or movable cams. This solution is particularly economic, and of easy maintenance.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Making Paper Articles (AREA)
  • Packages (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
US11/815,253 2005-02-11 2006-02-09 Method and plant for packaging liquid products in a flexible bag Abandoned US20110162327A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR0550408 2005-02-11
FR0550408A FR2882027A1 (fr) 2005-02-11 2005-02-11 Procede de conditionnement en poches souples de produit liquide ou semi liquide, alimentaire ou autre, aseptique ou non
FR0550643 2005-03-11
FR0550643A FR2882028B1 (fr) 2005-02-11 2005-03-11 Procede de conditionnement en poche souple de produit liquide ou semi-liquide, alimentaire ou autre, aseptique ou non
PCT/FR2006/050114 WO2006085031A1 (fr) 2005-02-11 2006-02-09 Procede et installation de conditionnement en poche souple de produits liquides

Publications (1)

Publication Number Publication Date
US20110162327A1 true US20110162327A1 (en) 2011-07-07

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US11/815,253 Abandoned US20110162327A1 (en) 2005-02-11 2006-02-09 Method and plant for packaging liquid products in a flexible bag
US11/816,088 Abandoned US20090223176A1 (en) 2005-02-11 2006-02-10 Method and plant for packaging of flexible bags

Family Applications After (1)

Application Number Title Priority Date Filing Date
US11/816,088 Abandoned US20090223176A1 (en) 2005-02-11 2006-02-10 Method and plant for packaging of flexible bags

Country Status (6)

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US (2) US20110162327A1 (fr)
AT (1) ATE471277T1 (fr)
DE (1) DE602006014938D1 (fr)
ES (1) ES2347462T3 (fr)
FR (2) FR2882027A1 (fr)
RU (2) RU2007129525A (fr)

Cited By (1)

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US20180068515A1 (en) * 2013-04-01 2018-03-08 Drop Water Corporation Automated electromechanical system for dispensing liquid in a sealed container

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US7469522B2 (en) * 2006-04-08 2008-12-30 Scholle Corporation Flexible container forming and filling apparatus
FR2910878B1 (fr) * 2006-12-28 2009-04-10 Smurfit Kappa Bag In Box Sa Procede et installation de conditionnement en poche souple de produit liquide ou semi-liquide, alimentaire ou autre, aseptique ou non

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US2514867A (en) * 1947-04-09 1950-07-11 Pneumatic Scale Corp Method and apparatus for producing a package
US3306001A (en) * 1964-02-05 1967-02-28 Diamond Int Corp Method for producing a hermetically sealed package
US3389643A (en) * 1966-07-22 1968-06-25 Parish Mfg & Distributing Corp Bag making apparatus and method
US3868891A (en) * 1970-10-05 1975-03-04 Pressure Chemical Corp Machines and methods for the manufacture of containers and the product therefrom
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Publication number Priority date Publication date Assignee Title
US20180068515A1 (en) * 2013-04-01 2018-03-08 Drop Water Corporation Automated electromechanical system for dispensing liquid in a sealed container
US10540840B2 (en) * 2013-04-01 2020-01-21 Drop Water Corporation Automated liquid dispensing device and associated method

Also Published As

Publication number Publication date
FR2882027A1 (fr) 2006-08-18
FR2882028A1 (fr) 2006-08-18
US20090223176A1 (en) 2009-09-10
ATE471277T1 (de) 2010-07-15
RU2007129525A (ru) 2009-03-27
FR2882028B1 (fr) 2008-12-26
DE602006014938D1 (de) 2010-07-29
RU2007129524A (ru) 2009-03-20
ES2347462T3 (es) 2010-10-29

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