EP2776342B1 - Procede de fabrication d'un conteneur souple de grande capacite, conteneur souple obtenu, emballage correspondant - Google Patents
Procede de fabrication d'un conteneur souple de grande capacite, conteneur souple obtenu, emballage correspondant Download PDFInfo
- Publication number
- EP2776342B1 EP2776342B1 EP12794434.6A EP12794434A EP2776342B1 EP 2776342 B1 EP2776342 B1 EP 2776342B1 EP 12794434 A EP12794434 A EP 12794434A EP 2776342 B1 EP2776342 B1 EP 2776342B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- panels
- container
- cover
- main
- spout
- 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.)
- Active
Links
- 230000009975 flexible effect Effects 0.000 title claims description 45
- 238000000034 method Methods 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000004806 packaging method and process Methods 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims description 27
- 238000005520 cutting process Methods 0.000 claims description 19
- 238000011049 filling Methods 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 11
- 210000002105 tongue Anatomy 0.000 claims description 10
- 238000002604 ultrasonography Methods 0.000 claims description 4
- 238000004826 seaming Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 description 10
- 238000009958 sewing Methods 0.000 description 8
- 239000000945 filler Substances 0.000 description 7
- -1 polypropylene Polymers 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000004224 protection Effects 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 241000287107 Passer Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009459 flexible packaging Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/12—Supports
- B65D90/20—Frames or nets, e.g. for flexible containers
- B65D90/205—Frames or nets, e.g. for flexible containers for flexible containers, i.e. the flexible container being permanently connected to the frame
-
- 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
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened 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
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
- B31B2150/002—Flexible containers made from sheets or blanks, e.g. from flattened tubes by joining superimposed sheets, e.g. with separate bottom sheets
-
- 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 of manufacturing a flexible container of large capacity, the flexible container obtained by the process and a corresponding packaging. It has applications in the field of packaging.
- plastics for example woven polymer such as polypropylene, or possibly of composite material, for example laminate or sandwich of plastic sheets, and have capacities ranging from 100 L to more than 600 L and can withstand load ranging from a few tens of kilograms to more than 500 kg.
- the packaging thus produced and consisting of the container and its internal protective envelope, is disposable after use, which ensures its perfect cleanliness since it is used only once. This feature avoids the risk of contamination, unlike rigid reusable containers that should be washed, sanitized, identified.
- the flexibility of the package it is possible to store it folded when empty, which reduces the bulk. As a result, the unit cost of use is much lower in the end and eliminates the risk of mixing between successive contents.
- the different parts of the container are obtained by cutting a sheet of material and these different parts are then assembled together. This assembly can be performed by sewing but it is also possible to implement, combined or not with the seam, welding and / or bonding to obtain an improved seal.
- the internal protective envelope commonly known as “liner”
- liner provides sealing and must be one hundred percent waterproof.
- its function is to protect the contents of the flexible container from its environment (moisture, odor, light, gas).
- the internal protective envelope is made of a polymer material, such as polyethylene, for example. It can also be made from more noble materials such as laminated complexes based on aluminum, polyamide or technical plastics giving it more specific properties.
- the materials used and the methods of manufacturing the internal protection casings must meet the standards of the pharmaceutical industry, and in particular the constraints concerning cleanliness, the absence of pollution and the absence of germs.
- the known high-capacity flexible packages have a parallelepipedal shape with a square or rectangular section and they are intended to be inserted into a metal frame and supported by it.
- the demand FR10 / 51406 ( FR2 956 834 ) Explains a method of manufacturing a flexible package of large capacity of rectangular section.
- Flexible packaging is also presented in the document US2008 / 283524A1 .
- the present invention provides a method of making a flexible container that is simplified and provides a flexible container of a particular shape.
- the invention firstly relates to a method of manufacturing a flexible container of large capacity according to claim 1 comprising a body with, downwards, a bottom having a discharge chute and, upwards, a hat, the hat having a filler neck.
- the invention also relates to a flexible container of large capacity according to claim 8, said flexible container having a body with a bottom, a bottom and, upwardly, a cap, the cap having a filler neck having an upper opening of chute which is substantially square, the container comprising pass-type fixing means corresponding to folds formed and fixed in the walls of the body of said flexible container,
- the invention also relates to a package according to claim 9 which is constituted externally of a flexible container of large capacity as described and, internally, a sealed internal protective envelope having an opening in relation to the filler neck of the cap.
- the package is disposed in a metal frame and is held extended in said metal frame by passers made in main panels forming the body of the flexible container and a belt forming a continuous ring around the container and which is passed through the passersby.
- the flexible container of large capacity of the invention is intended to be inserted into a metal frame which serves as a supporting structure, the flexible container being held there deployed by means of its fastening means / holding types of loops.
- FIG. 1 four main panels 1 and four hat panels 2 were cut individually in a sheet of flexible material. These panels are arranged so as to give an exploded view of the flexible container of the invention.
- Each main panel 1 has a portion 3 of square or rectangular shape with four sides, two lateral sides 7, one side of the top 8 and one side of the virtual bottom because the bottom side is extended by a substantially trapezoidal extension 4 whose vertex is extended by a tab 5, the extension and the tab being intended to form the bottom of the container.
- Part 3 of square or rectangular shape is intended to form a side face of the container.
- a closed bottom or, preferably, a bottom with a chute dump depending on how the tabs are secured together, one can obtain a closed bottom or, preferably, a bottom with a chute dump.
- the upper end of the portion 3 of the main panel has been cut 16 and folded on itself to form folds 6, sewn to hold them, corresponding to loops in which a belt (not shown Figure 1 ) has passed.
- Each cap panel 2 has a portion 9 of substantially trapezoidal bottom-base shape and the top apex is extended by a tongue 10, the tongue being intended to form an upwardly extended filler neck.
- each cap panel 2 is intended to be secured, preferably by stitching, to the upper side 8 of the main panel 1.
- the adjacent sides in correspondence of the main panels, on the one hand, and panels hat, on the other hand, are intended to be secured together, preferably by stitching.
- the hat panel 2 is obtained by cutting a sheet of a flexible material in the form indicated, leaving falls of material.
- main panel 1 as shown Figure 4 , on which cutouts 16 are made to form openings between passers-by as will be seen later.
- the sheet of the material used is in the form of a roll which is unwound. It is understood that it is possible to implement cutting optimization means to reduce the surface of the falls, in particular by using large sheets on which the panels are judiciously arranged, including staggered, to reduce falls. However, if the material of the sheet is oriented, for example if there is a direction for which the tensile strength is maximum, it will be taken into account in the distribution of the elements to be cut. In addition, certain ancillary operations may be provided in the case of certain materials such as, for example, the possible fusion / hot cautery of the edge of each cut piece in the case of a woven material.
- the cutting of the sheet of material can be achieved by using ultrasound, including mobile ultrasonic knives, to avoid a release of fumes and the use of extractor hoods.
- the cutting can be performed by a hot blade technique (350 ° C).
- Other known cutting techniques such as water jet, laser or mechanical, can also be used. Note that in the case of cutting by hot blade or ultrasound, the fusion / cauterization of the edge is performed during cutting which also allows to remove pollution by detachment of fibers in the case where the sheet of material is a woven .
- the sheet of material is a coated polypropylene fabric delivered in a coil and this fabric is cut on special machines.
- the basis weight of the hat panel is between 65 and 75 g / m 2 and the basis weight of the main panel is between 90 and 120 g / m 2 , which value can be adapted to the expected load. Indeed, the mechanical stresses on the different panels are different.
- the main panels support the main load and ensure attachment to the support frame, the hat panels are a simple protection of the contents including the inner envelope and they allow the closure of the package after filling.
- the grammage is the same for both types of panels, which makes it possible to use only one type of sheet of material and to optimize the cutting, in particular by producing mixed hat + body + bottom panels.
- the preparation corresponds to cutouts 16 and a folding of the main panel to its top edge 8 and immobilization of the fold obtained by sewing to form the loops 6.
- the fastening corresponds to the connection of the top edge 8 of the main panel 1 with the base, or bottom edge, of the hat panel 2 and their seam. An element corresponding to one of the four faces / sides of the flexible container is thus obtained.
- a composite panel is produced comprising the main panel and the hat panel, ie the two panels in question of the sheet are not separated along the top edge (main panel) and the base (hat panel) when cutting the sheet.
- a bellows assembly is made as shown in perspective on the Figure 8a and in section on the Figure 8b .
- the side edges in correspondence of the panels of the elements are sewn in pairs.
- the seams are all along the side edges of the panels.
- a belt 13 is passed through the loops 6 as visible on the Figure 9 .
- This belt is preferably made by sewing one or more segments of straps together to form a belt which is a continuous ring. It may be noted that with the method of the invention, it is not necessary to add by welding or gluing the fastening tabs on the flexible container because the fastening means in the form of loops are simply obtained by folding and fixing / immobilization of a portion of the material of the flexible container.
- the joining of the panels together is preferably done by sewing but other techniques are possible such as welding or gluing that can possibly combine.
- the welds, in the case where they are made, are made by thermo-welding.
- one can associate the seam and welding to improve the seal preferably a strip of material covering at least one side of the seam being welded on the latter so that at least one of the faces of the seam is isolated from the environment.
- the strip of material is preferably an edge fold of one of the sewn panels, the seam having been made at a distance from this edge. It can be expected that the two stitched panels each have such a strip folded, which allows sealing on both sides of the seam. Alternatively, a band of a specific material attached is welded to the seam.
- the exemplary embodiment of the invention which has just been described has used during manufacture four identical individual main panels and four identical individual cap panels which have been joined together. It is understood that it is also possible to make a flexible container using panels that are one piece forming for example two main panels or three main panels. For this purpose, instead of cutting individual panels in the sheet of a flexible material, is left contiguous two or three main panels. It is understood that this technique is essentially useful for the main panels which have relatively long correspondence sides.
- This internal protection envelope is obtained by extrusion blow molding of polyethylene whose final shape is given by cutting and hot welding.
- This inner protection envelope which includes bibs integrates with the container during the final assembly phase of the panels so that the bibs are sandwiched in the seams of the lateral sides of the panels, essentially main panels.
- the packaging can be folded flat along its natural edges.
- the volume occupied by this empty packaging is then relatively small compared to other types of known packaging.
- the present invention is not limited to the particular embodiments which have just been described, but extends to all variants and equivalents in accordance with its spirit.
- the method of making the container can be used for the manufacture of the internal protective envelope which is installed in the container, except that in this case it is not necessary to make the folds of the containers.
- main panels and in this case of manufacture of the internal protective envelope it is preferably implemented a welding of the panels together in order to obtain a seal.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Bag Frames (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1160103A FR2982252B1 (fr) | 2011-11-07 | 2011-11-07 | Procede de fabrication d'un conteneur souple de grande capacite, conteneur souple obtenu, emballage correspondant |
PCT/FR2012/052548 WO2013068680A1 (fr) | 2011-11-07 | 2012-11-05 | Procede de fabrication d'un conteneur souple de grande capacite, conteneur souple obtenu, emballage correspondant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2776342A1 EP2776342A1 (fr) | 2014-09-17 |
EP2776342B1 true EP2776342B1 (fr) | 2015-10-14 |
Family
ID=47263468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12794434.6A Active EP2776342B1 (fr) | 2011-11-07 | 2012-11-05 | Procede de fabrication d'un conteneur souple de grande capacite, conteneur souple obtenu, emballage correspondant |
Country Status (9)
Country | Link |
---|---|
US (1) | US9694952B2 (es) |
EP (1) | EP2776342B1 (es) |
CN (1) | CN103987634A (es) |
BR (1) | BR112014010903B1 (es) |
CA (1) | CA2854881C (es) |
ES (1) | ES2558334T3 (es) |
FR (1) | FR2982252B1 (es) |
HU (1) | HUE026563T2 (es) |
WO (1) | WO2013068680A1 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2982252B1 (fr) * | 2011-11-07 | 2014-11-07 | Tisza Textil Packaging | Procede de fabrication d'un conteneur souple de grande capacite, conteneur souple obtenu, emballage correspondant |
US11767158B2 (en) * | 2019-08-16 | 2023-09-26 | Lincoln Global, Inc. | Bulk flux bag hybrid liner bag |
US20220388766A1 (en) * | 2019-11-12 | 2022-12-08 | Christopher Thomas | Packaging System for Storing Agricultural Biomass |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1051406A (fr) | 1951-11-07 | 1954-01-15 | Production intensive et amélioration des cultures par assu?ation de la chlorophylleau moyen du permanganate de potasse à forte dose | |
US3105617A (en) * | 1961-04-05 | 1963-10-01 | Lund S A | Transportable containers for the handling of light-weight bulk materials |
US4596040A (en) * | 1982-09-30 | 1986-06-17 | Custom Packaging Systems | Large bulk bag |
US4781472A (en) * | 1987-11-06 | 1988-11-01 | Custom Packaging Systems, Inc. | Large bag with liner |
US4874258A (en) * | 1988-06-23 | 1989-10-17 | Marino Technologies, Inc. | Bulk cargo container with inner liner |
US5358335A (en) * | 1993-06-01 | 1994-10-25 | Custom Packaging Systems, Inc. | Bulk bag with conical top |
US5618254A (en) * | 1995-04-27 | 1997-04-08 | Super Sack Mfg. Corp. | Gusseted bulk bag liner and method of manufacture |
US5607237A (en) * | 1996-04-09 | 1997-03-04 | Custom Packaging Systems, Inc. | Bulk bag with lift straps |
US6139482A (en) * | 1999-02-12 | 2000-10-31 | Custom Packaging Systems, Inc. | Bulk bag or liner and method of making it |
US6371646B1 (en) * | 2000-07-26 | 2002-04-16 | Scholle Custom Packaging, Inc. | Bulk bag with multiple ply walls and a method of forming it from tubular blanks |
US7125168B2 (en) * | 2002-12-18 | 2006-10-24 | Scholle Corporation | Large container having an outer bag and inner linear method of manufacturing same |
US20080283524A1 (en) * | 2007-05-17 | 2008-11-20 | Mark Michael Kosich | Article of manufacture for a flexible silo |
FR2956834B1 (fr) | 2010-02-26 | 2013-08-16 | Tisza Textil Packaging | Procede de fabrication d'un conteneur souple de grande capacite et enveloppe de protection interne obtenue au cours de ce procede |
CN201761825U (zh) * | 2010-08-05 | 2011-03-16 | 常州商隆产业用纺织品有限公司 | 一种多功能集装袋 |
FR2982252B1 (fr) * | 2011-11-07 | 2014-11-07 | Tisza Textil Packaging | Procede de fabrication d'un conteneur souple de grande capacite, conteneur souple obtenu, emballage correspondant |
-
2011
- 2011-11-07 FR FR1160103A patent/FR2982252B1/fr not_active Expired - Fee Related
-
2012
- 2012-11-05 ES ES12794434.6T patent/ES2558334T3/es active Active
- 2012-11-05 CN CN201280054208.0A patent/CN103987634A/zh active Pending
- 2012-11-05 BR BR112014010903-6A patent/BR112014010903B1/pt active IP Right Grant
- 2012-11-05 US US14/356,239 patent/US9694952B2/en active Active
- 2012-11-05 CA CA2854881A patent/CA2854881C/fr active Active
- 2012-11-05 EP EP12794434.6A patent/EP2776342B1/fr active Active
- 2012-11-05 WO PCT/FR2012/052548 patent/WO2013068680A1/fr active Application Filing
- 2012-11-05 HU HUE12794434A patent/HUE026563T2/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN103987634A (zh) | 2014-08-13 |
CA2854881A1 (fr) | 2013-05-16 |
US20140376831A1 (en) | 2014-12-25 |
WO2013068680A1 (fr) | 2013-05-16 |
ES2558334T3 (es) | 2016-02-03 |
FR2982252B1 (fr) | 2014-11-07 |
CA2854881C (fr) | 2019-05-21 |
HUE026563T2 (en) | 2016-06-28 |
US9694952B2 (en) | 2017-07-04 |
BR112014010903B1 (pt) | 2021-01-12 |
FR2982252A1 (fr) | 2013-05-10 |
BR112014010903A2 (pt) | 2017-04-18 |
EP2776342A1 (fr) | 2014-09-17 |
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