EP1125842B1 - Machine et procédé pour emballer un produit dans un matériau en film - Google Patents

Machine et procédé pour emballer un produit dans un matériau en film Download PDF

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Publication number
EP1125842B1
EP1125842B1 EP01200584A EP01200584A EP1125842B1 EP 1125842 B1 EP1125842 B1 EP 1125842B1 EP 01200584 A EP01200584 A EP 01200584A EP 01200584 A EP01200584 A EP 01200584A EP 1125842 B1 EP1125842 B1 EP 1125842B1
Authority
EP
European Patent Office
Prior art keywords
film material
piece
product
strip
sealing
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.)
Expired - Lifetime
Application number
EP01200584A
Other languages
German (de)
English (en)
Other versions
EP1125842A1 (fr
Inventor
Max Van Den Berg
Arjan Jacob Van Den Broek
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.)
Coppens Verpakkings-systemen BV
Original Assignee
Coppens Verpakkings-systemen BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Coppens Verpakkings-systemen BV filed Critical Coppens Verpakkings-systemen BV
Publication of EP1125842A1 publication Critical patent/EP1125842A1/fr
Application granted granted Critical
Publication of EP1125842B1 publication Critical patent/EP1125842B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/08—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products between layers or strips of sheet or web material, e.g. in webs folded to zig-zag form
    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/48—Enclosing articles, or quantities of material, by folding a wrapper, e.g. a pocketed wrapper, and securing its opposed free margins to enclose contents

Definitions

  • the invention is related to an installation for packing a product, such as one or more slices of a cheese product or a meat product, in film material, as defined in the preamble of claim 1.
  • a product such as one or more slices of a cheese product or a meat product, in film material, as defined in the preamble of claim 1.
  • Such an installation is disclosed in US-A-3.016.673.
  • Said known type of film packing machines makes use of one roll of film.
  • the packing principle is based on the movement of closing a book: the film is folded around the product. The product is first manually placed on the film. The machine then closes by one flap moving upwards and folding the film around the product. As soon as the flap has been completely closed, the pack is sealed on three sides by two fixed V-shaped elements, one of which is heated, pressing onto one another. The fourth side is closed by the fold. At the same point in time the film is also cut and transferred to the clamping device. The flap then opens again and the product can be removed.
  • a disadvantage of this form is that this type of machines cannot be incorporated in a production line. In addition it is a disadvantage that it is more difficult to make such a system suitable for various sizes of pack. Packing machines that can be used in a packing line have the characteristic that the product is fed into the machine via a conveyor belt. It is not possible in this way to pack foodstuffs in film only, without using a product carrier such as, for example, a plastic dish.
  • the film is then cut off the roll. Sealing on four sides has the consequence that at least 2 cm more film is required than when folding round the product.
  • the aim of the present invention is to provide an installation and a method for packing products in film which is not dependent on the way in which the product to be packed is fed (with or without product carrier) and is also able to process single item packs without additional film waste being generated as a result. Furthermore, the thickness of the material to be packed must not act as an impediment to the packaging itself.
  • the film is used as transport medium and is transported such that the film is first pulled through and then pulled back over the product, so that the machine repeatedly returns to the starting position.
  • This is in contrast to the method that is employed according to the state of the art of conventional flow packers. Compared with film packing machines which seal on 4 sides, this method will save at least 2 cm film per pack because one sealed seam (5 - 8 mm sealed seam plus 5 mm margin) is dispensed with because the seal at the front of the product is provided by a fold.
  • the gripper means are fixed to a carriage which is movably accommodated on an auxiliary frame having a guide for the carriage, which auxiliary frame is attached to the base frame such that it can pivot about a horizontal pivot axis, which pivot axis is located at that end of the conveyor remote from the preparation surface, which auxiliary frame can be moved between a position in which the guide is parallel to the conveyor and a position in which the guide runs obliquely upwards.
  • the lower sealing bar of the sealing installation is fixed with respect to the base frame and the upper sealing bar is accommodated on a tilting arm, the tilt shaft of which is located close to or coincident with the pivot axis of the auxiliary frame.
  • the carrier element For the purpose of forming the quantity of film material required for one pack, with two pieces which can be sealed together, there is a carrier element between the preparation surface and the conveyor, which carrier element enables movement of the strip of film material transversely to the preparation surface, such that when a strip of film material is gripped in the gripper device this film material can be pulled into the form of a loop.
  • the carrier element comprises a guide positioned transversely to the preparation surface, as well as a carriage that can be moved along said guide and which carries a horizontal roller positioned transversely to the conveyor.
  • a first piece of film material can be drawn aside which subsequently can be positioned on top of the adjoining second piece of film material with the product thereon.
  • the invention also relates to a method for operating the installation described above, comprising the following steps:
  • the known folding method mentioned in the preamble has the disadvantage that it is not possible to place a new product ready when the pack is being sealed.
  • the installation is suitable for placing the film ready and transporting it while the pack is being sealed closed.
  • This transport can also be used to move the product in small steps in the case of a combination with an automatic slicing machine, so that the cut slices can be put down stepwise.
  • the layout of the film path has been so chosen that the machine can be positioned next to a fully automatic slicing machine in such a way that the film surface can be used as ejection surface.
  • Figure 1 shows the following components in a packing machine such as is constructed in an arbitrary embodiment:
  • Figure 2 shows the situation after manually inserting the film. Manual insertion of the film is facilitated in that the film can be guided through the feed opening (3) from the sides. After the film has been fed through the opening (3) it is guided around the rollers (4, 5, 7) to the supporting surface (6).
  • FIG 3 shows the situation immediately after starting the initialisation cycle.
  • the operating flap of the sealing mechanism (13) has been pivoted downwards until it is just in contact with the bar transport system (9).
  • FIG 4 shows the situation where the film is clamped between the top and bottom sections.
  • the operating flap of the sealing mechanism (13) has been pivoted downwards until the sealing U (12) is in contact with the bottom U (12a).
  • the bar transport system (9) is carried along by the movement of this flap (13).
  • a movement by the cutting mechanism (16) ensures that the film is cut off and is clamped in the film transport bar (10).
  • the machine has been initialised and the machine will continue with the operations in a normal cycle.
  • Figure 5 shows the situation where the film has been brought to the correct length by the film reversing system (8), so that the product to be packed can be placed on the table with the supporting surface (6).
  • Figure 6 shows that the operating flap of the sealing mechanism (13) with the sealing U (12) has been moved upwards, whilst the bar transport system (9) has remained in the lowest position. In this position, the packed product will be removed via the height-adjustable conveyor belt (11).
  • Figure 7 shows how the film is pulled through by the film transport bar (10) whilst, at the same time, the film reversing system (8) moves back so that the film on the supporting surface (6) does not move.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Packages (AREA)

Claims (6)

  1. Machine pour emballer un produit, comme une ou plusieurs tranches de fromage ou de produit carné, dans un matériau en film, comprenant un châssis de base avec :
    une station pour un rouleau (1) de matériau en film,
    une station de préparation (6) pour placer un produit sur une bande de matériau en film,
    des moyens de saisie pour saisir la bande de matériau en film et la plier autour du produit,
    une station de scellement (12, 13) pour sceller l'un à l'autre les deux morceaux de matériau en film positionnés l'un sur l'autre, laquelle station de scellement a des barres des scellement supérieure (12) et inférieure (12a),
    lesquelles barres de scellement supérieure (12) et inférieure (12a) de la station de scellement (12 - 13) peuvent être déplacées l'une vers l'autre afin de sceller les morceaux de matériau en film l'un à l'autre aux trois coins autres que le coin où se situe la ligne de pliage, en formant un paquet,
    lesquelles barres de scellement (12, 12a) peuvent être éloignées l'une de l'autre,
    des moyens de guidage (4, 5, 7) pour guider la bande de matériau en film depuis le rouleau
    (1) vers la station de préparation (6),
    des moyens (16) pour détacher le paquet de la bande de matériau en film,
    caractérisée par
    un convoyeur (11) adjacent à la surface de préparation (6) pour transporter le paquet fini depuis la surface de préparation (6) et sur lequel la bande de matériau en film peut être transportée entre les barres de scellement (12, 12a),
    les moyens de saisie (10) étant fixés sur un chariot qui est installé de manière mobile sur un châssis auxiliaire (9) comportant un guide pour le chariot, lequel châssis auxiliaire (9) est fixé au châssis de base de manière à pouvoir pivoter autour d'un axe de pivot horizontal (15), lequel axe de pivot (15) est placé à cette extrémité du convoyeur (11) loin de la surface de préparation (6), lequel châssis auxiliaire (9) peut être déplacé entre une position dans laquelle le guide est parallèle au convoyeur et une position dans laquelle le guide est orienté à l'oblique vers le haut,
    de sorte que les moyens de saisie (10) peuvent être déplacés le long d'une première voie pour faire passer une longueur de la bande égale à la somme des longueurs des deux morceaux à travers la station de scellement, un premier morceau de film étant déplacé au delà de ladite station de scellement (12 - 13) et le second morceau de matériau en film venant s'étendre entre les barres de scellement (12, 12a) dans la station de scellement (12 - 13),
    de sorte que les moyens de saisie (10) peuvent être déplacés le long d'une seconde voie située au dessus de la première voie et dans une direction opposée à celle de la première voie, pour faire repasser le premier morceau de matériau en film au dessus du second morceau de matériau en film,
    et de sorte que les moyens de saisie (10) peuvent être déplacés vers le bas pour amener le premier morceau de matériau en film sur le second morceau de matériau en film, formant ainsi une ligne de pliage entre ces morceaux de matériau en film,
    un élément porteur (8) entre la surface de préparation (6) et le convoyeur (11), lequel élément porteur (8) permet le mouvement de la bande de matériau en film transversalement par rapport à et en dessous du niveau de la surface de préparation (6), de sorte que, lorsqu'une bande de matériau en film est saisie dans le dispositif de saisie (10), ce matériau en film peut être tiré pour former une boucle, la longueur du matériau en film dans la boucle étant égale au premier morceau de matériau en film.
  2. Machine selon la revendication 1, dans laquelle la barre de scellement inférieure (12a) de la machine de scellement (12 - 13) est fixe par rapport au châssis de base et la barre de scellement supérieure (12) est installée sur un bras oscillant (13), dont l'arbre d'oscillation (15) est placé à proximité ou en coïncidence avec l'axe de pivotement du châssis auxiliaire (9).
  3. Machine selon l'une quelconque des revendications précédentes, caractérisée en ce que le convoyeur (11) est une courroie.
  4. Machine selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément porteur (8) comprend un guide positionné transversalement par rapport à la surface de préparation, ainsi qu'un chariot qui peut être déplacé le long du dit guide et qui transporte un rouleau horizontal positionné transversalement par rapport au convoyeur.
  5. Procédé d'utilisation d'une machine selon la revendication 1, comprenant les étapes suivantes :
    saisie d'une bande de matériau en film au moyen des moyens de saisie (10),
    déplacement de la bande de matériau en film transversalement par rapport à la surface de préparation au moyen de l'élément porteur (8), en formant une boucle, de sorte que la longueur du matériau en film dans la boucle est égale à un premier morceau de matériau en film,
    placement d'un produit sur le deuxième morceau de matériau en film se trouvant sur la surface de préparation (6),
    déplacement des moyens de saisie (10) tout en ramenant l'élément porteur (8) et ensuite déplacement du second morceau de matériau en film avec le produit se trouvant sur la surface de préparation (6) vers la station de scellement (12 - 13),
    pivotement vers le haut du châssis auxiliaire (9),
    déplacement des moyens de saisie (10) dans une direction opposée à la direction de mouvement précédente et acheminement du premier morceau de matériau en film au dessus du second morceau de matériau en film, avec le produit,
    déplacement des moyens de saisie (10) vers le bas, formant ainsi une ligne de pliage entre le premier et le second morceau de matériau en film,
    déplacement des barres de scellement (12, 12a) l'un vers l'autre et formation d'un cordon de scellement le long des trois paires de coins des morceaux de matériau en film étendus l'un sur l'autre afin d'obtenir un paquet,
    détachement du paquet de la bande de matériau en film.
  6. Procédé selon la revendication 5, comprenant le mouvement par étapes de la bande de matériau en film transversalement par rapport à la surface de préparation (6) et le dépôt, dans chaque cas, d'une tranche de produit sur le second morceau de matériau en film se trouvant sur la surface de préparation et/ou sur une tranche déposée auparavant, après chaque étape de mouvement du matériau en film, avec la formation d'une quantité de tranches empilées par étapes.
EP01200584A 2000-02-18 2001-02-19 Machine et procédé pour emballer un produit dans un matériau en film Expired - Lifetime EP1125842B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1014415A NL1014415C2 (nl) 2000-02-18 2000-02-18 Inrichting en werkwijze voor het in folie verpakken van materialen.
NL1014415 2000-02-18

Publications (2)

Publication Number Publication Date
EP1125842A1 EP1125842A1 (fr) 2001-08-22
EP1125842B1 true EP1125842B1 (fr) 2004-03-03

Family

ID=19770840

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01200584A Expired - Lifetime EP1125842B1 (fr) 2000-02-18 2001-02-19 Machine et procédé pour emballer un produit dans un matériau en film

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Country Link
EP (1) EP1125842B1 (fr)
AT (1) ATE260807T1 (fr)
DE (1) DE60102170T2 (fr)
NL (1) NL1014415C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2249381T3 (es) * 2001-08-02 2006-04-01 Coppens Verpakkings-Systemen B.V. Metodo y dispositivo para envasar un producto, tal como una o mas lonchas de un producto de queso o carnico, en material en pelicula.
NL1019053C2 (nl) * 2001-09-28 2003-04-02 Best Quality B V Inrichting voor het verpakken van een product in foliemateriaal.
DE102009016332A1 (de) * 2009-03-18 2010-09-23 CFS Bühl GmbH Greifer zur Anordnung an einem Roboterarm mit einer Produktzentrierung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3016673A (en) * 1960-08-01 1962-01-16 John M Parker Wrapping and sealing machine
DE8612555U1 (de) * 1986-05-07 1986-07-24 Josek, Alexander, Dipl.-Ing.(FH), 6422 Herbstein Vorrichtung zum Verpacken von Gegenständen in einer heißsiegelbaren Verpackungsbahn

Also Published As

Publication number Publication date
NL1014415C2 (nl) 2001-08-22
DE60102170D1 (de) 2004-04-08
EP1125842A1 (fr) 2001-08-22
DE60102170T2 (de) 2004-10-14
ATE260807T1 (de) 2004-03-15

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