WO1997005032A1 - Tube with a folded end closure - Google Patents

Tube with a folded end closure Download PDF

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Publication number
WO1997005032A1
WO1997005032A1 PCT/BE1995/000071 BE9500071W WO9705032A1 WO 1997005032 A1 WO1997005032 A1 WO 1997005032A1 BE 9500071 W BE9500071 W BE 9500071W WO 9705032 A1 WO9705032 A1 WO 9705032A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
packaging
label
folds
flattened
Prior art date
Application number
PCT/BE1995/000071
Other languages
French (fr)
Inventor
Miroslav Rojnik
Original Assignee
Candyplast Societe Anonyme
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 Candyplast Societe Anonyme filed Critical Candyplast Societe Anonyme
Priority to PCT/BE1995/000071 priority Critical patent/WO1997005032A1/en
Priority to BR9510623A priority patent/BR9510623A/en
Priority to KR1019980700298A priority patent/KR19990028996A/en
Priority to CA002227962A priority patent/CA2227962A1/en
Priority to JP09507024A priority patent/JP2000501680A/en
Priority to AU31590/95A priority patent/AU3159095A/en
Priority to DK96870085T priority patent/DK0743258T3/en
Priority to AT96870085T priority patent/ATE160991T1/en
Priority to ES96870085T priority patent/ES2112079T3/en
Priority to EP96870085A priority patent/EP0743258B1/en
Priority to DE69600116T priority patent/DE69600116T2/en
Priority to IL11895496A priority patent/IL118954A0/en
Priority to ZA9606341A priority patent/ZA966341B/en
Publication of WO1997005032A1 publication Critical patent/WO1997005032A1/en
Priority to NO980342A priority patent/NO980342L/en
Priority to GR980400496T priority patent/GR3026311T3/en

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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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction

Definitions

  • the present invention relates to tubes, preferably transparent or translucent, intended in particular for packaging bulk products.
  • bulk products include confectionery such as candy, spices, hardware, etc.
  • the present invention extends to an installation and a process allowing the shaping of such tubes in a largely automated manner, and possibly the online packaging of bulk products so as to obtain packaged products ready for sale.
  • the packaging for the sale of different products implies a certain number of specific requirements resulting in particular from modern sales techniques involving the use of display type displays.
  • the packaging In addition to the need for rapid and largely automated packaging techniques, a careful presentation of the packaging must be obtained, preferably so that the product it contains is visible by transparency. To meet the requirements of distributors, it is also necessary that the object packaged can be easily disposed at points of sale and be easily accessible to buyers. For reasons of safety, hygiene and conservation, it is also advisable that the packaging is hermetic and sealed, for example by a tear-off security strip, and that it is sufficiently resistant.
  • transparent semi-rigid tubes made of PET or PVC which are closed at their two ends by plugs generally in the form of cup-shaped elements.
  • Machines for automatically producing the tube, sealing and, if necessary, packaging the products to be packaged are complicated.
  • tubes produced in this way are not suitable for presentation for sale in suspended form in display type displays. Aims of the present invention.
  • the invention essentially aims to meet the requirements described in the technological background mentioned above and to avoid the drawbacks of the aforementioned state of the art.
  • the aim is in particular to provide a packaging which is easy to produce, to fill with the product, in particular for the bulk product, to be packaged and to be closed, which is in a form which can be easily hung.
  • the packaging tube according to the invention is preferably transparent or translucent and made of a rigid or semi-rigid plastic material.
  • This tube is characterized in that at least one end of the tube is closed by at least two consecutive permanent folds of opposite direction, applied to this previously flattened end.
  • the tube is preferably closed in a conventional manner at the other end by a bottom element, which preferably has the shape of a cup and which is glued, crimped or "fixed in another way in or on the tube.
  • the two ends are each closed in the characteristic manner of the invention by two consecutive permanent plies in opposite directions, applied to the two ends also previously flattened.
  • a label is advantageously applied to one or two end (s), preferably on both sides of the end, after having crushed and compressed the two folds.
  • One of the flattened ends is preferably provided with a cutout providing a light allowing the tube to be suspended, for example in a sales display type display. This cutting is preferably carried out after application of the sealing label.
  • the label can be provided with perforations facilitating its tearing at the level of the underlying folds of the flattened end of the tube.
  • FIG. 1 represents a perspective view of a tube, one end of which is closed in a conventional manner by a glued or crimped bottom and for which the other end was produced according to the invention;
  • Figure 2 shows a front view corresponding to Figure 1;
  • 3 shows a side view of the tube of Figures 1 and 2;
  • FIG. 4 represents an enlarged view of the end of the tube before it is bent
  • Figure 5 shows the same end of the tube as Figure 4 in the flattened state after folding and provided with a sealing label affixed after crushing said folds;
  • FIG. 6 represents the diagram of an installation suitable for the shaping of the tubes according to the invention, the packaging of the bulk products to be packaged and the final shaping operations including labeling and the cutting of the light.
  • Identical reference marks are used in the different figures for identical or similar elements.
  • the transparent packaging tube 1 is constituted by a body of generally cylindrical shape 3, closed at its lower end by a circular bottom 5 which can for example be glued and / or crimped in or on the circular body 3.
  • the tube 1 is filled to the appropriate level with a loose product such as candy (not shown), however leaving a free upper space allowing the end, as will be described below, to be closed. opposite to that with the bottom 5.
  • the tube 1 is flattened by crushing it.
  • the end 11 which undergoes this crushing, as it appears in FIG. 2, is, in the front view, of width greater than the diameter of the rest of the body 3 because of the deformation undergone.
  • thermoforming that is to say application of a pressure combined with the application of heat, so as to form a so-called permanent fold, that is to say a fold which, without making stick between them the opposite faces of the flattened end of the tube, is such that the user can open the packaging by forcing with his fingers on the end opposite the end of the bottom in the direction of the arrows 4 (FIG. 2) to restore its original tubular shape to this end.
  • the plastic that is to say a synthetic resin
  • the plastic is therefore rigid or semi-rigid but also thermoplastic and deforms when hot and under pressure, keeping after cooling, in the absence of the constraint opening, the shape in which it was thermoformed.
  • PET and PVC constitute basic materials for the production of the tube according to the present invention. These materials are used in suitable form with usual additives and adjuvants (plasticizers, stabilizers, etc.) and are formed into tubes according to well known conventional techniques with appropriate wall dimensions and thicknesses.
  • the term rigid or semi-rigid must be understood to mean that the material resumes the form in which it has been thermoformed and therefore does not apply to a flexible or plasticized sheet which would not have this property.
  • thermoforming it is also possible to carry out the filling after thermoforming, by opening the flattened end and provided with at least two plies, but that this technique is better suited for manual filling of prepared tubes than for integration into a continuous installation of online packaging.
  • an adhesive label 19 is applied to the flattened end 11 and provided with folds 13 and 14, preferably covering the two faces of the flattened end of the tube with a continuous strip and keeping the folds crushed.
  • a perforation 20 can be provided to allow the tube 1 to be hung in a display.
  • the strip covering said end is advantageously provided with perforations 23 on the front face (shown in dotted lines) and 24 on the rear face (shown in center line) at the height of the folds. 13 and 14 that this label covers to allow easy tearing of the strip.
  • the tubes are filled with a bottom at their base and open at the top with the products to be packaged, leaving sufficient upper space for the operations which will follow.
  • forming is carried out (the tube being shown from the front and in profile) by flattening the upper end of the tube and making the two zigzag folds.
  • the "flap" produced by the two permanent pleats is labeled by affixing a label preferably perforated in concordance, that is to say overlapping the perforation areas with the permanent pleats.
  • This label advantageously includes a barcode.
  • Step 59 consists of an optical verification of the readability of the barcode with evacuation, if necessary, of non-conforming products.
  • a light is cut through the upper part of the tube and the label so as to allow the product to be suspended on a rod of a display stand.
  • the station 63 makes it possible to carry out a control of the possible presence of a metal, and in the event of positive response, involves the evacuation of the product of the line.
  • Item 65 allows the various products to be grouped together and overpacked or placed in trays or cartons.
  • the stations 53, 55 and 57 can in particular be modified, to obtain, for example, a pre-folding using a folding tool which already presses the product hot to give it the shape of a staircase, this station being followed by a transfer to the next station during which the folding is refined using polished stainless steel guides until the next station obtains an almost definitive double zigzag fold, after which, by a final crushing of these folds, a flat product is obtained by keeping the folds crushed, which is ready to be labeled.
  • the removal of the label can in particular be carried out as follows: the label is taken up by the vacuum at the output of the printer. It is then brought between two brushes, then brought into contact with the bent tube. Then, the two brushes move back to form a "U” with the label, then fold it back on the back of the product. The label is pressed again to perfect its aesthetics.
  • a double punching tool can be used, allowing an elliptical cutting of the top of the tube as well as that of the "Euro-hole” for placing on the shelf.
  • Sorting stations for products by improper printing of the "barcode" are also possible at different levels from those indicated.
  • the detection of metal particles using an ultra-sensitive metal detector of the tunnel type placed on the belt conveyor is also suitable.
  • the product reception station it is also possible, for the product reception station, to provide for the presence of an operator, who receives the products at the end of the conveyor and then puts them in trays, boxes or directly on a display stand.
  • the device can for example be provided for PVC tubes varying from 34 to 70 mm in diameter by changing the tooling, these tools being adapted to receive tubes with a length of 210 to 410 mm open, which corresponds approximately to 180 at 380 mm closed. All products not liable to damage the tube used can be treated in this way.
  • the technique is however particularly recommendable for food products (sweets, spices, etc.) because of the tightness of the closure of the invention.
  • preferred embodiments of the invention have been described, it should be understood that numerous operating variants, both in terms of the production of the tube and of the shaping and packaging equipment described, are feasible. in the context of the invention.
  • the two ends of the tube can be provided with the closure according to the technique of the invention (permanent zigzag folds).
  • the invention is in particular not limited to particular dimensions or precise embodiments of the apparatus described.

Abstract

A preferably transparent or translucent, rigid or semi-rigid plastic packaging tube (1), of which at least one end (11) is sealed with at least two opposite consecutive permanent folds (13, 14) in the previously flattened end (11), is disclosed. An apparatus for the integrated shaping of packaging tubes, and a shaping method therefor, are also disclosed.

Description

TUBE AVEC UNE FERMETURE D'EXTREMITE PLIEE TUBE WITH A FOLDED END CLOSURE
Obiet de l'invention. La présente invention concerne des tubes, de préférence transparents ou translucides, destinés en particulier au conditionnement de produits en vrac. A titre d'exemples de produits en vrac, on peut citer des articles de confiserie tels que des bonbons, des épices, des articles de quincaillerie, etc.Object of the invention. The present invention relates to tubes, preferably transparent or translucent, intended in particular for packaging bulk products. Examples of bulk products include confectionery such as candy, spices, hardware, etc.
La présente invention s'étend à une installation et à un procédé permettant le façonnage de tels tubes de manière largement automatisée, et éventuellement le conditionnement en ligne des produits en vrac de manière à obtenir des produits emballés prêts pour la vente.The present invention extends to an installation and a process allowing the shaping of such tubes in a largely automated manner, and possibly the online packaging of bulk products so as to obtain packaged products ready for sale.
Arrière-plan technologique à la base de l'invention.Technological background underlying the invention.
Le conditionnement en vue de la vente de différents produits implique un certain nombre d'exigences spécifiques résultant notamment des techniques modernes de vente impliquant l'utilisation de présentoirs du type "display".The packaging for the sale of different products implies a certain number of specific requirements resulting in particular from modern sales techniques involving the use of display type displays.
En plus de la nécessité de disposer de techniques de conditionnement rapides et largement automatisées, il faut obtenir une présentation soignée du conditionnement, de préférence de manière que le produit qu'il contient soit visible par transparence. Pour satisfaire aux exigences des distributeurs, il est également nécessaire que l'objet emballé puisse être facilement disposé dans les points de vente et être aisément accessible aux acheteurs. Pour des raisons de sécurité, d'hygiène et de conservation, il est aussi recommandable que l'emballage soit hermétique et scellé, par exemple par une bande de sécurité déchirable, et qu'il soit suffisamment résistant.In addition to the need for rapid and largely automated packaging techniques, a careful presentation of the packaging must be obtained, preferably so that the product it contains is visible by transparency. To meet the requirements of distributors, it is also necessary that the object packaged can be easily disposed at points of sale and be easily accessible to buyers. For reasons of safety, hygiene and conservation, it is also advisable that the packaging is hermetic and sealed, for example by a tear-off security strip, and that it is sufficiently resistant.
D'autres contraintes classiques telles que le prix de production, le respect des réglementations en matière de conditionnement, en particulier le conditionnement de produits alimentaires et tout particulièrement le conditionnement de produits destinés aux enfants, etc., s'ajoutent aux exigences qu'il y a lieu de respecter. Etat de la technique à la base de la présente invention.Other conventional constraints such as the production price, compliance with packaging regulations, in particular the packaging of food products and in particular the packaging of products intended for children, etc., are added to the requirements it must be respected. State of the art on which the present invention is based.
On a bien entendu déjà proposé de nombreux types de conditionnement, notamment en matière plastique rigide ou semi-rigide.Many types of packaging have of course already been proposed, in particular in rigid or semi-rigid plastic.
On connaît notamment des tubes semi-rigides transparents en PET ou en PVC, qui sont obturés à leurs deux extrémités par des bouchons se présentant généralement sous forme d'éléments en forme de godets. Des machines pour réaliser automatiquement la production du tube, l'obturation et, le cas échéant, le conditionnement des produits à emballer, sont compliquées.In particular, transparent semi-rigid tubes made of PET or PVC are known, which are closed at their two ends by plugs generally in the form of cup-shaped elements. Machines for automatically producing the tube, sealing and, if necessary, packaging the products to be packaged are complicated.
De plus, les tubes produits de cette manière ne se prêtent pas à une présentation à la vente sous forme suspendue dans des présentoirs du type "display". Buts de la présente invention.In addition, tubes produced in this way are not suitable for presentation for sale in suspended form in display type displays. Aims of the present invention.
L'invention vise essentiellement à répondre aux exigences décrites de l'arrière-plan technologique mentionnées ci-dessus et à éviter les inconvénients de l'état de la technique précité.The invention essentially aims to meet the requirements described in the technological background mentioned above and to avoid the drawbacks of the aforementioned state of the art.
On vise en particulier à fournir un conditionnement facile à produire, à remplir du produit, en particulier du produit en vrac, à emballer, et à obturer, qui se présente sous une forme pouvant être aisément suspendue. On vise également à réaliser une installation permettant de façonner aisément ce type de conditionnement et rendant possible dans l'installation, l'intégration du remplissage du produit à emballer.The aim is in particular to provide a packaging which is easy to produce, to fill with the product, in particular for the bulk product, to be packaged and to be closed, which is in a form which can be easily hung. We also aim to make an installation for shaping easily this type of packaging and making it possible in the installation, the integration of the filling of the product to be packaged.
Eléments caractéristiques de la présente invention, Le tube de conditionnement selon l'invention est de préférence transparent ou translucide et réalisé en une matière plastique rigide ou semi-rigide.Characteristic elements of the present invention, The packaging tube according to the invention is preferably transparent or translucent and made of a rigid or semi-rigid plastic material.
Ce tube est caractérisé en ce qu'au moins une extrémité du tube est obturée par au moins deux plis permanents consécutifs de sens opposé, appliqués sur cette extrémité préalablement aplatie.This tube is characterized in that at least one end of the tube is closed by at least two consecutive permanent folds of opposite direction, applied to this previously flattened end.
Le tube est de préférence obturé de manière classique à l'autre extrémité par un élément de fond, qui a de préférence la forme d'un godet et qui est collé, serti ou "fixé d'une autre manière dans ou sur le tube.The tube is preferably closed in a conventional manner at the other end by a bottom element, which preferably has the shape of a cup and which is glued, crimped or "fixed in another way in or on the tube.
Il est également possible, si on le souhaite, que les deux extrémités soient obturées chacune de la façon caractéristique de l'invention par deux plis permanents consécutifs de sens opposé, appliqués sur les deux extrémités également préalablement aplaties.It is also possible, if desired, that the two ends are each closed in the characteristic manner of the invention by two consecutive permanent plies in opposite directions, applied to the two ends also previously flattened.
Afin de rendre hermétique et scellée la ou les extrémité (s) obturée (s) par au moins deux plis permanents, une étiquette est avantageusement appliquée sur une ou deux extrémité(s) , de préférence sur les deux faces de l'extrémité, après avoir écrasé et comprimé les deux plis.In order to seal and seal the end (s) closed off by at least two permanent pleats, a label is advantageously applied to one or two end (s), preferably on both sides of the end, after having crushed and compressed the two folds.
Une des extrémités aplaties est de préférence pourvue d'une découpe réalisant une lumière permettant de suspendre le tube, par exemple dans un présentoir de vente du type display. Cette découpe est de préférence réalisée après application de l'étiquette de scellement.One of the flattened ends is preferably provided with a cutout providing a light allowing the tube to be suspended, for example in a sales display type display. This cutting is preferably carried out after application of the sealing label.
Afin de faciliter l'ouverture du tube par l'acheteur, l'étiquette peut être pourvue de perforations facilitant sa déchirure à hauteur des plis sous-jacents de l'extrémité aplatie du tube. D'autres éléments caractéristiques et avantages de l' invention tant pour ce qui concerne le tube de conditionnement proprement dit que pour ce qui concerne l'installation et le procédé pour son façonnage, apparaîtront à la lecture de la description qui suit, des dessins annexés à la présente demande et en particulier dans les revendications.In order to facilitate the opening of the tube by the purchaser, the label can be provided with perforations facilitating its tearing at the level of the underlying folds of the flattened end of the tube. Other characteristic elements and advantages of the invention both with regard to the tube packaging proper as regards the installation and the method for its shaping, will appear on reading the description which follows, of the drawings appended to the present application and in particular in the claims.
Brève description des dessins.Brief description of the drawings.
La figure 1 représente selon une vue en perspective un tube dont une extrémité est obturée de façon classique par un fond collé ou serti et pour lequel l'autre extrémité a été réalisée selon l'invention; La figure 2 représente une vue de face correspondant à la figure 1; La figure 3 représente une vue de profil du tube des figures 1 et 2;FIG. 1 represents a perspective view of a tube, one end of which is closed in a conventional manner by a glued or crimped bottom and for which the other end was produced according to the invention; Figure 2 shows a front view corresponding to Figure 1; 3 shows a side view of the tube of Figures 1 and 2;
La figure 4 représente une vue agrandie de l'extrémité du tube avant son pliage; La figure 5 représente la même extrémité du tube que la figure 4 à l'état aplati après pliage et pourvue d'une étiquette de scellement apposée après écrasement desdits plis;FIG. 4 represents an enlarged view of the end of the tube before it is bent; Figure 5 shows the same end of the tube as Figure 4 in the flattened state after folding and provided with a sealing label affixed after crushing said folds;
La figure 6 représente le schéma d'une installation convenant pour le façonnage des tubes selon l'invention, le conditionnement des produits en vrac à emballer et les opérations de façonnage finales incluant d'étiquetage et la découpe de la lumière. Des repères de référence identiques sont utilisés dans les différentes figures pour des éléments identiques ou similaires.FIG. 6 represents the diagram of an installation suitable for the shaping of the tubes according to the invention, the packaging of the bulk products to be packaged and the final shaping operations including labeling and the cutting of the light. Identical reference marks are used in the different figures for identical or similar elements.
L'invention sera décrite plus en détails en référence aux dessins annexés à titre d'illustration sans caractère limitatif d'une forme d'exécution préférée de l'invention pour un tube, et pour une installation de façonnage du tube et de conditionnement d'un produit. Description de formes d'exécution préférées de l'invention. Le tube de conditionnement 1 transparent est constitué par un corps de forme générale cylindrique 3, obturé à son extrémité inférieure par un fond circulaire 5 qui peut être par exemple collé et/ou serti dans ou sur le corps circulaire 3.The invention will be described in more detail with reference to the accompanying drawings by way of illustration without limiting the nature of a preferred embodiment of the invention for a tube, and for a tube shaping and packaging installation. a product. Description of preferred embodiments of the invention. The transparent packaging tube 1 is constituted by a body of generally cylindrical shape 3, closed at its lower end by a circular bottom 5 which can for example be glued and / or crimped in or on the circular body 3.
Le tube 1 est rempli jusqu'au niveau adéquat d'un produit en vrac tel que des bonbons (non représentés) , en laissant cependant un espace supérieur libre permettant d'obturer, ainsi qu'il sera décrit ci-après, l'extrémité opposée à celle pourvue du fond 5.The tube 1 is filled to the appropriate level with a loose product such as candy (not shown), however leaving a free upper space allowing the end, as will be described below, to be closed. opposite to that with the bottom 5.
Cette obturation est réalisée comme suit : Le tube 1 est aplati en l'écrasant. L'extrémité 11 qui subit cet écrasement, ainsi qu'il apparaît à la figure 2, est, dans la vue de face, de largeur supérieure au diamètre du reste du corps 3 à cause de la déformation subie. Sur cette extrémité aplatie 11, on réalise deux plis permanents consécutifs de sens opposé 13 et 14, c'est-à- dire en zigzag. Ce pliage est réalisé par thermoformage, c'est-à- dire application d'une pression combinée avec l'application de chaleur, de manière à former un pli dit permanent, c'est- à-dire un pli qui, sans faire coller entre elles les faces opposées de l'extrémité aplatie du tube, est tel que l'utilisateur puisse ouvrir l'emballage en forçant avec les doigts sur l'extrémité opposée à l'extrémité du fond dans le sens des flèches 4 (figure 2) pour restituer à cette extrémité sa forme initiale tubulaire.This obturation is carried out as follows: The tube 1 is flattened by crushing it. The end 11 which undergoes this crushing, as it appears in FIG. 2, is, in the front view, of width greater than the diameter of the rest of the body 3 because of the deformation undergone. On this flattened end 11, two consecutive permanent folds of opposite direction 13 and 14 are produced, that is to say in a zigzag. This folding is carried out by thermoforming, that is to say application of a pressure combined with the application of heat, so as to form a so-called permanent fold, that is to say a fold which, without making stick between them the opposite faces of the flattened end of the tube, is such that the user can open the packaging by forcing with his fingers on the end opposite the end of the bottom in the direction of the arrows 4 (FIG. 2) to restore its original tubular shape to this end.
Lorsque l'on relâche cependant cette contrainte, à cause du caractère rigide ou semi-rigide de la matière plastique utilisée, les plis reprennent leur position en zigzag et assurent la fermeture de l'emballage.When this constraint is released, however, because of the rigid or semi-rigid nature of the plastic material used, the folds resume their zigzag position and ensure the closure of the packaging.
La matière plastique (c'est-à-dire une résine synthétique) est donc rigide ou semi-rigide mais aussi thermoplastique et se déforme à chaud et sous pression en gardant après refroidissement, en l'absence de la contrainte d'ouverture précitée, la forme dans laquelle elle a été thermoformée. Le PET et le PVC constituent des matières de base pour la réalisation du tube selon la présente invention. Ces matières sont mises en oeuvre sous forme adéquate avec des additifs et adjuvants habituels (plastifiants, stabilisants, etc.) et sont formés en tubes selon des techniques classiques bien connues aux dimensions et épaisseurs de paroi appropriées. Le terme rigide ou semi- rigide doit s'entendre comme signifiant que la matière reprend la forme dans laquelle elle a été thermoformée et ne s'applique donc pas à une feuille souple ou plastifiée qui n'aurait pas cette propriété.The plastic (that is to say a synthetic resin) is therefore rigid or semi-rigid but also thermoplastic and deforms when hot and under pressure, keeping after cooling, in the absence of the constraint opening, the shape in which it was thermoformed. PET and PVC constitute basic materials for the production of the tube according to the present invention. These materials are used in suitable form with usual additives and adjuvants (plasticizers, stabilizers, etc.) and are formed into tubes according to well known conventional techniques with appropriate wall dimensions and thicknesses. The term rigid or semi-rigid must be understood to mean that the material resumes the form in which it has been thermoformed and therefore does not apply to a flexible or plasticized sheet which would not have this property.
Il convient de note qu'il est également possible de procéder au remplissage après thermoformage, en ouvrant l'extrémité aplatie et pourvue de deux plis au moins, mais que cette technique convient mieux pour un remplissage manuel de tubes préparés que pour une intégration dans une installation continue de conditionnement en ligne.It should be noted that it is also possible to carry out the filling after thermoforming, by opening the flattened end and provided with at least two plies, but that this technique is better suited for manual filling of prepared tubes than for integration into a continuous installation of online packaging.
Ce type de tube est déjà suffisant pour assurer une bonne étanchéité et des essais ont été réalisés qui indiquent qu'ils restent étanches jusqu'à des pressions de 3,2 bars.This type of tube is already sufficient to ensure good sealing and tests have been carried out which indicate that they remain watertight up to pressures of 3.2 bars.
Selon une forme d'exécution préférée de l'invention cependant, une étiquette adhésive 19 est appliquée sur l'extrémité aplatie 11 et pourvue des plis 13 et 14, en recouvrant de préférence les deux faces de l'extrémité aplatie du tube d'une bande continue et en maintenant les plis écrasés. Une perforation 20 peut être prévue pour permettre d'accrocher le tube 1 dans un présentoir.According to a preferred embodiment of the invention, however, an adhesive label 19 is applied to the flattened end 11 and provided with folds 13 and 14, preferably covering the two faces of the flattened end of the tube with a continuous strip and keeping the folds crushed. A perforation 20 can be provided to allow the tube 1 to be hung in a display.
Afin de faciliter l'ouverture par traction du tube, la bande recouvrant ladite extrémité est pourvue avantageusement de perforations 23 sur la face avant (représentées en pointillés) et 24 sur la face arrière (représentées en trait d'axe) à la hauteur des plis 13 et 14 que cette étiquette recouvre pour permettre une déchirure aisée de la bande. Une installation adéquate de conditionnement et le procédé mis en oeuvre seront décrits en se référant à la figure 6.In order to facilitate opening by pulling the tube, the strip covering said end is advantageously provided with perforations 23 on the front face (shown in dotted lines) and 24 on the rear face (shown in center line) at the height of the folds. 13 and 14 that this label covers to allow easy tearing of the strip. An adequate packaging installation and the process used will be described with reference to FIG. 6.
Dans un premier poste 51, on procède au remplissage de tubes pourvus d'un fond à leur base et ouverts à la partie supérieure par les produits à emballer en laissant un espace supérieur suffisant pour les opérations qui vont suivre.In a first station 51, the tubes are filled with a bottom at their base and open at the top with the products to be packaged, leaving sufficient upper space for the operations which will follow.
Au poste 53, on procède à un formage (le tube étant représenté de face et de profil) en aplatissant l'extrémité supérieure du tube et en réalisant les deux plis en zigzag.At station 53, forming is carried out (the tube being shown from the front and in profile) by flattening the upper end of the tube and making the two zigzag folds.
Afin de rendre cette déformation permanente, on procède au poste 55 à un écrasement à chaud.In order to make this deformation permanent, one proceeds to station 55 with a hot crushing.
Au poste 57, on procède à l'étiquetage du "rabat" réalisé par les deux plis permanents en apposant une étiquette de préférence perforée en concordance, c'est-à-dire en recouvrement des zones de perforation avec les plis permanents. Cette étiquette comporte avantageusement un code- barres.At station 57, the "flap" produced by the two permanent pleats is labeled by affixing a label preferably perforated in concordance, that is to say overlapping the perforation areas with the permanent pleats. This label advantageously includes a barcode.
L'étape 59 consiste en une vérification optique de la lisibilité du code-barres avec évacuation, le cas échéant, des produits non conformes.Step 59 consists of an optical verification of the readability of the barcode with evacuation, if necessary, of non-conforming products.
Au poste 61, on réalise le découpage d'une lumière à travers la partie supérieure du tube et l'étiquette de manière à permettre de suspendre le produit conditionné sur une tige d'un présentoir.At station 61, a light is cut through the upper part of the tube and the label so as to allow the product to be suspended on a rod of a display stand.
Le poste 63 permet de procéder à un contrôle de la présence éventuelle d'un métal, et en cas de réponse positive, entraîne l'évacuation du produit de la ligne.The station 63 makes it possible to carry out a control of the possible presence of a metal, and in the event of positive response, involves the evacuation of the product of the line.
Le poste 65 permet de regrouper les différents produits et de réaliser le sur-emballage ou la mise en barquettes ou en cartons.Item 65 allows the various products to be grouped together and overpacked or placed in trays or cartons.
Il doit être bien entendu que ceci constitue un schéma d'une réalisation selon l'invention, et que d'autres variantes sont possibles, et en particulier l'insertion dans la chaîne d'autres postes permettant par exemple d'autres opérations techniques telles que l'apposition d'une étiquette supplémentaire portant la marque et la désignation du produit emballé.It should be understood that this constitutes a diagram of an embodiment according to the invention, and that other variants are possible, and in particular the insertion into the chain of other stations allowing for example other technical operations such that affixing a label additional bearing the mark and designation of the packaged product.
Les postes 53, 55 et 57 peuvent en particulier être modifiés, pour obtenir par exemple un pré-pliage à l'aide d'un outil de pliage qui presse déjà à chaud le produit pour lui donner une forme d'escalier, ce poste étant suivi d'un transfert vers le poste suivant au cours duquel le pliage s'affine à l'aide de guides en acier inoxydable poli jusqu'à obtenir au poste suivant un pli double en zigzag quasi définitif, après quoi, par un écrasement final de ces plis, on obtient un produit plat en maintenant les plis écrasés, qui est prêt à être étiqueté.The stations 53, 55 and 57 can in particular be modified, to obtain, for example, a pre-folding using a folding tool which already presses the product hot to give it the shape of a staircase, this station being followed by a transfer to the next station during which the folding is refined using polished stainless steel guides until the next station obtains an almost definitive double zigzag fold, after which, by a final crushing of these folds, a flat product is obtained by keeping the folds crushed, which is ready to be labeled.
Pour ce qui concerne l'opération d'étiquetage, différentes techniques opératoires peuvent être envisagées. La dépose de l'étiquette peut notamment s'effectuer de la manière suivante : l'étiquette est prise par le vide au niveau de la sortie de l'imprimante. Elle est ensuite amenée entre deux balais, puis mise en contact avec le tube plié. Ensuite, les deux balais reculent pour former un "U" avec l'étiquette, puis la rabattent à l'arrière du produit. L'étiquette est à nouveau pressée pour parfaire son esthétique.With regard to the labeling operation, different operating techniques can be envisaged. The removal of the label can in particular be carried out as follows: the label is taken up by the vacuum at the output of the printer. It is then brought between two brushes, then brought into contact with the bent tube. Then, the two brushes move back to form a "U" with the label, then fold it back on the back of the product. The label is pressed again to perfect its aesthetics.
Pour ce qui concerne la découpe de la lumière prévue au poste 61, on peut recourir à un outil double de poinçonnage, permettant une découpe elliptique du haut du tube ainsi que celle de "1'Euro-trou" 20 de mise en rayon.As regards the cutting of the light provided at station 61, a double punching tool can be used, allowing an elliptical cutting of the top of the tube as well as that of the "Euro-hole" for placing on the shelf.
Diverses techniques peuvent être envisagées pour l'évacuation du produit fini; on peut notamment procéder à un soufflage par le fond du produit de manière à éjecter celui-ci directement dans un carton d'expédition. Il est également possible de prévoir à ce niveau des postes supplémentaires, tels qu'un convoyeur à bande en sortie de machine, pour réceptionner les produits évacués.Various techniques can be envisaged for the evacuation of the finished product; it is possible in particular to blow through the bottom of the product so as to eject it directly into a shipping carton. It is also possible to provide additional positions at this level, such as a conveyor belt at the machine outlet, to receive the discharged products.
Des postes de tri des produits par mauvaise impression du "code-barres" sont également envisageables à des niveaux différents de ceux indiqués. La détection de particules métalliques à l'aide d'un détecteur de métaux ultrasensible du type tunnel placé sur le convoyeur à bande est également adaptée.Sorting stations for products by improper printing of the "barcode" are also possible at different levels from those indicated. The detection of metal particles using an ultra-sensitive metal detector of the tunnel type placed on the belt conveyor is also suitable.
Il est également possible, pour le poste de réception des produits, de prévoir la présence d'un opérateur, qui réceptionne les produits en bout du convoyeur puis les met en barquettes, en cartons ou directement sur présentoir.It is also possible, for the product reception station, to provide for the presence of an operator, who receives the products at the end of the conveyor and then puts them in trays, boxes or directly on a display stand.
On a recours bien entendu aux techniques dfindexage classiques de poste en poste pour assurer une production automatisée et une intégration en ligne du façonnage du tube et du remplissage de celui-ci.Of course the techniques f classic post indexing are used in post to ensure automated production and integration Online shaping tube and filling it.
Des cadence de production de 720 produits à l'heure peuvent être facilement atteintes. Le dispositif peut être par exemple prévu pour des tubes PVC variant de 34 à 70 mm de diamètre par changement d'outillage, ces outillages étant adaptés pour recevoir des tubes d'une longueur de 210 à 410 mm ouverts, ce qui correspond approximativement à 180 à 380 mm fermés. Tous les produits non susceptibles de détériorer le tube utilisé peuvent être traités de cette manière. La technique est cependant particulièrement recommandable pour des produits alimentaires (bonbons, épices, etc.) à cause de l'étanchéité de l'obturation de l'invention. Bien que l'on ait décrit des formes d'exécution préférées de l'invention, il doit être bien entendu que de nombreuses variantes opératoires tant au niveau de la production du tube que de l'équipement de façonnage, de conditionnement décrits, sont réalisables dans le cadre de l'invention. Ainsi que mentionné précédemment, les deux extrémités du tube peuvent être pourvues de l'obturation selon la technique de l'invention (plis permanents en zigzag) .Production rates of 720 products per hour can be easily reached. The device can for example be provided for PVC tubes varying from 34 to 70 mm in diameter by changing the tooling, these tools being adapted to receive tubes with a length of 210 to 410 mm open, which corresponds approximately to 180 at 380 mm closed. All products not liable to damage the tube used can be treated in this way. The technique is however particularly recommendable for food products (sweets, spices, etc.) because of the tightness of the closure of the invention. Although preferred embodiments of the invention have been described, it should be understood that numerous operating variants, both in terms of the production of the tube and of the shaping and packaging equipment described, are feasible. in the context of the invention. As mentioned previously, the two ends of the tube can be provided with the closure according to the technique of the invention (permanent zigzag folds).
L'invention n'est notamment pas limitée à des dimensions particulières ou des formes d'exécution précises de l'appareillage décrit. The invention is in particular not limited to particular dimensions or precise embodiments of the apparatus described.

Claims

REVENDICATIONS. CLAIMS.
1. Tube de conditionnement rigide ou semi-rigide, de préférence transparent ou translucide et réalisé en une matière plastique, caractérisé en ce qu'au moins une extrémité (11) dudit tube (1) est obturée par au moins deux plis permanents consécutifs (13, 14) de sens opposé, appliqués sur cette extrémité (11) préalablement aplatie.1. Rigid or semi-rigid packaging tube, preferably transparent or translucent and made of a plastic material, characterized in that at least one end (11) of said tube (1) is closed by at least two consecutive permanent folds ( 13, 14) in opposite directions, applied to this end (11) previously flattened.
2. Tube de conditionnement selon la revendication 1, caractérisé en ce que l'autre extrémité (10) dudit tube (1) est obturée par un élément de fond (5), qui a de préférence la forme d'un godet et qui est collé, serti ou fixé d'une autre manière dans ou sur le tube.2. Packaging tube according to claim 1, characterized in that the other end (10) of said tube (1) is closed by a bottom element (5), which preferably has the shape of a cup and which is glued, crimped or otherwise secured in or on the tube.
3. Tube de conditionnement selon la revendication 1, caractérisé en ce que les deux extrémités (10, 11) dudit tube (1) sont obturées chacune par au moins deux plis permanents consécutifs (13, 14) de sens opposé, appliqués sur l'extrémité (10, 11) préalablement aplatie.3. Packaging tube according to claim 1, characterized in that the two ends (10, 11) of said tube (1) are each closed by at least two consecutive permanent folds (13, 14) of opposite direction, applied to the end (10, 11) previously flattened.
4. Tube de conditionnement selon l'une quelconque des revendications précédentes, caractérisé en ce que l'extrémité aplatie (11) obturée par au moins deux plis permanents est pourvue d'une étiquette (2) appliquée sur cette extrémité (11) de préférence sur les deux faces de l'extrémité (11), après avoir comprimé les deux plis (13, 14) . 4. Packaging tube according to any one of the preceding claims, characterized in that the flattened end (11) closed by at least two permanent plies is provided with a label (2) applied to this end (11) preferably on both sides of the end (11), after having compressed the two folds (13, 14).
5. Tube de conditionnement selon l'une quelconque des revendications précédentes, caractérisé en ce que l'extrémité aplatie (11) est pourvue d'une découpe (20) réalisant une lumière permettant de suspendre le tube.5. Packaging tube according to any one of the preceding claims, characterized in that the flattened end (11) is provided with a cutout (20) providing a lumen for suspending the tube.
6. Tube de conditionnement selon la revendication 4 ou 5, caractérisé en ce que l'étiquette est pourvue de perforations (23, 24) facilitant sa déchirure à hauteur des plis (13, 14) sous-jacents de l'extrémité (11) aplatie du tube (1) .6. Packaging tube according to claim 4 or 5, characterized in that the label is provided with perforations (23, 24) facilitating its tearing at the level of the folds (13, 14) underlying the end (11) flattened tube (1).
7. Installation pour le façonnage intégré de tubes de conditionnement selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comporte un poste (53) de formage où l'on réalise un aplatissement d'une extrémité d'un tube (1) en réalisant au moins deux plis (13, 14) en zigzag et un poste (55) où cette déformation est rendue permanente par un écrasement à chaud. 7. Installation for the integrated shaping of packaging tubes according to any one of the preceding claims, characterized in that it comprises a station ( 53 ) forming where a flattening of one end of a tube (1) is carried out by making at least two zigzag folds (13, 14) and a station (55) where this deformation is made permanent by a hot crushing.
8. Installation selon la revendication 7, caractérisée en ce qu'elle comporte un poste (57) dans lequel on procède à l'étiquetage en apposant une étiquette (2) de préférence perforée en concordance, c'est-à-dire en recouvrement, des zones de perforation (23, 24) avec les plis permanents (13, 14) .8. Installation according to claim 7, characterized in that it comprises a station (57) in which one proceeds to the labeling by affixing a label (2) preferably perforated in concordance, that is to say in overlap , perforation zones (23, 24) with the permanent pleats (13, 14).
9. Installation selon la revendication 7 ou 8, caractérisée en ce qu'elle comporte un poste (61), dans lequel on réalise le découpage d'une lumière à travers la partie aplatie du tube et éventuellement l'étiquette, de manière à permettre de suspendre le produit conditionné sur une tige d'un présentoir.9. Installation according to claim 7 or 8, characterized in that it comprises a station (61), in which one carries out the cutting of a light through the flattened part of the tube and possibly the label, so as to allow to hang the packaged product on a rod of a display stand.
10. Installation selon l'une quelconque des revendications 7 à 9, caractérisée en ce qu'elle comporte un poste (51) de remplissage du tube avant son façonnage. 10. Installation according to any one of claims 7 to 9, characterized in that it comprises a station (51) for filling the tube before its shaping.
11. Installation selon l'une quelconque des revendications 7 à 10, caractérisée en ce qu'elle comporte un ou plusieurs postes de contrôle (59, 63) .11. Installation according to any one of claims 7 to 10, characterized in that it comprises one or more control stations (59, 63).
12. Procédé de façonnage intégré de tubes de conditionnement selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'on réalise un aplatissement d'une extrémité d'un tube (1) en réalisant au moins deux plis (13, 14) en zigzag et que l'on rend cette déformation permanente par un écrasement à chaud.12. A method of integrated shaping of packaging tubes according to any one of claims 1 to 6, characterized in that a flattening of one end of a tube (1) is carried out by producing at least two folds (13 , 14) in a zigzag pattern and that this deformation is made permanent by hot crushing.
13. Procédé selon la revendication 12, caractérisé en ce qu'après ledit écrasement à chaud, on procède à un remplissage par le produit à conditionne et à un étiquetage en apposant une étiquette (19) de préférence perforée en concordance, c'est-à-dire en recouvrement, des zones de perforation (23, 24) avec les plis permanents (13, 14) . 13. Method according to claim 12, characterized in that after said hot crushing, one proceeds to a filling with the conditioned product and to labeling by affixing a label (19) preferably perforated in accordance, that is that is to say in overlap, perforation zones (23, 24) with the permanent pleats (13, 14).
14. Procédé selon la revendication 12 ou 13, caractérisé en ce que l'on réalise un découpage d'une lumière (20) à travers la partie aplatie du tube et éventuellement l'étiquette, de manière à permettre de suspendre le produit conditionné sur une tige d'un présentoir. 14. Method according to claim 12 or 13, characterized in that one carries out a cutting of a light (20) through the flattened part of the tube and possibly the label, so as to allow the packaged product to be suspended on a rod of a display.
PCT/BE1995/000071 1995-07-27 1995-07-27 Tube with a folded end closure WO1997005032A1 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
PCT/BE1995/000071 WO1997005032A1 (en) 1995-07-27 1995-07-27 Tube with a folded end closure
BR9510623A BR9510623A (en) 1995-07-27 1995-07-27 Packaging tube installation for the integrated manufacture of packaging tubes and the integrated manufacturing process for packaging tubes
KR1019980700298A KR19990028996A (en) 1995-07-27 1995-07-27 Tube with Overlaid End Closure
CA002227962A CA2227962A1 (en) 1995-07-27 1995-07-27 Tube with a folded end closure
JP09507024A JP2000501680A (en) 1995-07-27 1995-07-27 Tube with folded and sealed end
AU31590/95A AU3159095A (en) 1995-07-27 1995-07-27 Tube with a folded end closure
AT96870085T ATE160991T1 (en) 1995-07-27 1996-06-27 TUBE FOR PACKAGING BULK GOODS, DEVICE AND METHOD FOR PRODUCING SUCH TUBES
DK96870085T DK0743258T3 (en) 1995-07-27 1996-06-27 Pipes for packaging of bulk goods, plant and method for forming such pipes.
ES96870085T ES2112079T3 (en) 1995-07-27 1996-06-27 PIPE FOR THE DISTRIBUTION OF A PASTA
EP96870085A EP0743258B1 (en) 1995-07-27 1996-06-27 Bulk product packaging tube, installation and process for forming such tubes
DE69600116T DE69600116T2 (en) 1995-07-27 1996-06-27 Tube for packaging bulk goods, device and method for producing such tubes
IL11895496A IL118954A0 (en) 1995-07-27 1996-07-25 Bulk products packaging tube installation and process for forming such tubes
ZA9606341A ZA966341B (en) 1995-07-27 1996-07-25 Bulk products packaging tube, installation and process for forming such tubes.
NO980342A NO980342L (en) 1995-07-27 1998-01-26 Stir with a folded end closure
GR980400496T GR3026311T3 (en) 1995-07-27 1998-03-10 Tube for the distribution of a paste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BE1995/000071 WO1997005032A1 (en) 1995-07-27 1995-07-27 Tube with a folded end closure

Publications (1)

Publication Number Publication Date
WO1997005032A1 true WO1997005032A1 (en) 1997-02-13

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PCT/BE1995/000071 WO1997005032A1 (en) 1995-07-27 1995-07-27 Tube with a folded end closure

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EP (1) EP0743258B1 (en)
JP (1) JP2000501680A (en)
KR (1) KR19990028996A (en)
AT (1) ATE160991T1 (en)
AU (1) AU3159095A (en)
CA (1) CA2227962A1 (en)
DE (1) DE69600116T2 (en)
DK (1) DK0743258T3 (en)
ES (1) ES2112079T3 (en)
GR (1) GR3026311T3 (en)
IL (1) IL118954A0 (en)
WO (1) WO1997005032A1 (en)
ZA (1) ZA966341B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8753012B2 (en) * 2006-06-29 2014-06-17 Graphic Flexible Packaging, Llc High strength packages and packaging materials
US8826959B2 (en) 2006-06-29 2014-09-09 Graphic Packaging International, Inc. Heat sealing systems and methods, and related articles and materials

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR980345A (en) * 1943-02-04 1951-05-10 Packaging for pasty products, such as toothpaste, for example, and their manufacturing process
US2584095A (en) * 1946-06-13 1952-01-29 Extruded Plastics Inc Tubular container
US3026016A (en) * 1959-08-05 1962-03-20 Scher Nathan Display bag
US3065898A (en) * 1960-10-03 1962-11-27 John M Daugherty Collapsible tube

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR980345A (en) * 1943-02-04 1951-05-10 Packaging for pasty products, such as toothpaste, for example, and their manufacturing process
US2584095A (en) * 1946-06-13 1952-01-29 Extruded Plastics Inc Tubular container
US3026016A (en) * 1959-08-05 1962-03-20 Scher Nathan Display bag
US3065898A (en) * 1960-10-03 1962-11-27 John M Daugherty Collapsible tube

Also Published As

Publication number Publication date
ATE160991T1 (en) 1997-12-15
EP0743258A3 (en) 1996-12-04
DK0743258T3 (en) 1998-08-10
GR3026311T3 (en) 1998-06-30
EP0743258A2 (en) 1996-11-20
IL118954A0 (en) 1996-10-31
ZA966341B (en) 1997-02-11
EP0743258B1 (en) 1997-12-10
CA2227962A1 (en) 1997-02-13
ES2112079T3 (en) 1998-03-16
JP2000501680A (en) 2000-02-15
KR19990028996A (en) 1999-04-15
AU3159095A (en) 1997-02-26
DE69600116T2 (en) 1998-06-18
DE69600116D1 (en) 1998-01-22

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