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EP3009355B1 - Procédé de fabrication d'un emballage - Google Patents

Procédé de fabrication d'un emballage Download PDF

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Publication number
EP3009355B1
EP3009355B1 EP14189024.4A EP14189024A EP3009355B1 EP 3009355 B1 EP3009355 B1 EP 3009355B1 EP 14189024 A EP14189024 A EP 14189024A EP 3009355 B1 EP3009355 B1 EP 3009355B1
Authority
EP
European Patent Office
Prior art keywords
temperature
packaging machine
paper
thermoforming packaging
composite film
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
Application number
EP14189024.4A
Other languages
German (de)
English (en)
Other versions
EP3009355A1 (fr
Inventor
Urs Wiler
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.)
Multivac Sepp Haggenmueller GmbH and Co KG
Original Assignee
Multivac Sepp Haggenmueller GmbH and Co KG
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 Multivac Sepp Haggenmueller GmbH and Co KG filed Critical Multivac Sepp Haggenmueller GmbH and Co KG
Priority to EP14189024.4A priority Critical patent/EP3009355B1/fr
Priority to ES14189024.4T priority patent/ES2627343T3/es
Publication of EP3009355A1 publication Critical patent/EP3009355A1/fr
Application granted granted Critical
Publication of EP3009355B1 publication Critical patent/EP3009355B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/02—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved with means for heating the material prior to forming
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/08—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of fluid pressure
    • 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
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/08—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of fluid pressure
    • B65B47/10—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of fluid pressure by vacuum
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices

Definitions

  • the invention relates to a method for producing a packaging comprising a paper-plastic composite film, having the features of claim 1 and to a thermoforming packaging machine having the features of claim 6.
  • thermoforming packaging machine in which both a mold top and a mold bottom have a heater.
  • thermoforming packaging machines are known under the brand name PaperLite ®, which can have a paper content of over 80%.
  • the film is heated by means of a heater before or in the forming station, for example, 60 ° C to 90 ° C and then formed under vacuum and / or compressed air into a mold lower part.
  • thermoforming packaging machines are usually in rooms with a room temperature of 2 ° C to 10 ° C. The thermoforming process is problematic.
  • the object of the present invention is to provide a method and a thermoforming packaging machine for producing a package from a film which has at least 80% paper, which ensure trouble-free processing.
  • room temperature room temperature
  • control of the thermoforming packaging machine evaluates a first sensor to detect the temperature of the mold bottom.
  • the temperature of the mold lower part can be regulated, for example by means of a tempering device.
  • the temperature difference during the molding process can be influenced.
  • the controller of the thermoforming packaging machine evaluates at least one second sensor to detect the temperature of the water provided for the flow.
  • the tempering device may include a hot water pump and a heater to heat the mold bottom by means of flow of heated water to the desired temperature.
  • both the flow rate and the temperature increase can be used by the temperature control as a control variable for the control.
  • the tempering device can also be realized by means of a present in the thermoforming packaging cooling circuit of forming and / or sealing tool tops, wherein the heated at the end of the cooling circuit water has a temperature sufficient to the mold base by means of flow of the heated water to a desired temperature heat.
  • the manipulated variable is above all the flow rate.
  • the paper-plastic composite film has a thickness of at least 200 ⁇ m, preferably of at least 300 ⁇ m, in order to be able to produce attractive and dimensionally stable packages.
  • the paper-plastic composite film has a weight fraction of at least 80%, preferably at least 90%, of renewable raw materials, preferably paper, to provide improved reusable or compostable packaging.
  • thermoforming packaging machine with a forming station comprising a mold lower part, wherein the forming station, in particular the mold lower part, is associated with a tempering device in terms of function or connection, is characterized in that the mold lower part by means of the tempering to a temperature of 30 ° to 50 ° C. is heated to prevent water residue formation, for example by condensation of moisture contained in the paper portion of the film.
  • thermoforming packaging machine is configured to control the temperature of the mold base by means of the tempering device.
  • the mold lower part preferably has a temperature sensor in order to provide the controller with the current temperature of the mold lower part for the control.
  • the tempering device has at least one fluid pump, in particular a water pump, and a heater for heating the fluid to the temperature of 30 ° to 50 ° C. desired for tempering the mold lower part.
  • the single FIGURE shows a schematic view of a thermoforming packaging machine 1 according to the invention.
  • the thermoforming packaging machine 1 has a forming station 2, a sealing station 3, a cross-cutting device 4 and a longitudinal cutting device 5, which are arranged in a production direction R on a machine frame 6 in this order.
  • On the input side is located on the machine frame 6, a feed roller 7, from which a film web 8 is withdrawn.
  • a material reservoir 9 is provided, from which a cover film 10 is drawn off.
  • a discharge device 13 in the form of a conveyor belt is provided on the thermoforming packaging machine, with which finished, individualized packages 21 are removed.
  • the thermoforming packaging machine 1 has a feed device (not shown) which grips the film web 8 and transports it further per main working cycle in the production direction R.
  • the feed device can be designed, for example, by clamp chains arranged on both sides.
  • the forming station 2 is formed as a thermoforming station, are formed in the film web 8 by deep drawing troughs 14.
  • the forming station 2 can be designed such that in the direction perpendicular to the production direction R several troughs are formed side by side.
  • the forming station 2 has a lifting device 30 in order to position a mold lower part 31 upwards against a mold upper part 32 into a working position for the molding process.
  • an insertion path 15 is provided, in which the troughs 14 formed in the film web 8 are filled with products 16.
  • the sealing station 3 also has a lifting device 30 and a closable chamber 17, in which the atmosphere in the wells 14 before sealing, for example by Evacuation and / or gassing can be replaced with a replacement gas or with a gas mixture.
  • the cross-cutting device 4 also comprises a lifting device 30 and is designed as a punch which cuts through the film web 8 and the cover film 10 in a direction transverse to the production direction R between adjacent depressions 14.
  • the cross-cutting device 4 operates such that the film web 8 is not separated over the entire width, but at least in an edge region is not severed. This allows a controlled onward transport by the feed device, preferably two staple chains arranged on both sides of the film web.
  • the longitudinal cutting device 5 is formed in the illustrated embodiment as a knife assembly with a plurality of rotating circular blades, with which the film web 8 and the lid film 10 between adjacent wells 14 and the lateral edge of the film web 8 are severed, so that behind the longitudinal cutting device 5 isolated packaging.
  • the thermoforming packaging machine 1 also has a controller 18. It has the task to control the processes running in the thermoforming packaging machine 1 processes and monitor. Among other things, it regulates the temperature of the mold bottom part 31.
  • a display device 19 with operating elements 20 serves to visualize or influence the process sequences in the packaging machine 1 for or by an operator.
  • the film web 8 namely a thermoformable paper-plastic composite film
  • the film web 8 is withdrawn from the feed roller 7 and transported by the feed device in the forming station 2.
  • troughs 14 are formed in the film web 8 by deep drawing.
  • the film web 8 is molded by means of vacuum in the lower mold part 31 and / or by compressed air through the upper mold part 32 into the lower mold part 31 after the film web 8 previously on a not shown heating plate H of the forming station 2 or an upstream preheating V to a temperature of at least 60 ° C was heated.
  • the troughs 14 are transported along with the surrounding area of the film web 8 in a main working cycle to the insertion path 15 in which they are filled with products 16.
  • the filled wells 14 are transported along with the surrounding area of the film web 8 in the main working cycle by the feed device in the sealing station 3.
  • the cover film 10 is transported on to the film web 8 with a feed operation of the film web 8 after a sealing operation.
  • the lidding film 10 is withdrawn from the material storage 9.
  • the sealing of the cover film 10 on the depressions 14 or the film web 8 produces sealed packages 21 which are separated in the following cuts 4 and 5 and transported out of the thermoforming packaging machine 1 by means of the removal device 13.
  • Fig. 1 also shows a tempering device 33, which is connected to the mold 31 to control by means of water, which is passed through the mold lower part 31, the temperature of the mold lower part 31, which is entered via the display device 19.
  • the control by means of the controller 18 utilizes a temperature of the mold lower part 31 measured via a first sensor 34.
  • a water pump 36 of the temperature control device 33 pumps the water in the form of a closed water cycle through the mold lower part 31.
  • a second sensor 35 detects a temperature of a heater 37 of the tempering device 33, wherein the temperature of the water is measured in or directly after the heater 37 and the controller 18 is provided for the control.
  • the tempering device 33 is supplied and optionally further supplied by means of the water pump 36 to the lower mold part 31.
  • the heated water is either supplied to a cooling device or only derived.
  • a control valve not shown in detail could regulate the flow rate and thereby influence the temperature of the mold lower part 31.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (9)

  1. Procédé de fabrication d'un emballage (21), qui comporte une feuille composite de papier et de matière plastique (8), dont la part de papier dans le poids de la feuille composite (8) est d'au moins 80%, au moyen d'une machine d'emballage par emboutissage par thermoformage (1) comprenant un poste de formage (2) dans lequel la feuille composite de papier et de matière plastique (8) est emboutie au moyen de vide et/ou d'air comprimé, le poste de formage (2) comportant une partie inférieure d'outillage de formage (31),
    caractérisé en ce que la température environnante au niveau du poste de formage (2) vaut de 2°C à 10°C, la feuille composite de papier et de matière plastique (8) est échauffée à une température de 60°C à 90°C dans le poste de formage (2) avant l'opération de formage, et la partie inférieure d'outillage de formage (31) est échauffée de manière active à une valeur 30°C à 50°C.
  2. Procédé selon la revendication 1, caractérisé en ce qu'une commande (19) de la machine d'emballage par emboutissage par thermoformage (1) assure l'exploitation d'un premier capteur (34) en vue de relever la température de la partie inférieure d'outillage de formage (31).
  3. Procédé selon l'une des revendications précédentes, caractérisé en ce que la commande (18) de la machine d'emballage par emboutissage par thermoformage (1) assure l'exploitation d'au moins un deuxième capteur (35), en vue de relever la température de l'eau qui est prévue pour l'écoulement de passage.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que la feuille composite de papier et de matière plastique (8) présente une épaisseur d'au moins 200µm.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que la feuille composite de papier et de matière plastique (8) présente une part en poids d'au moins 80% de matières renouvelables, de préférence du papier.
  6. Machine d'emballage par emboutissage par thermoformage (1) configurée pour exécuter le procédé selon l'une des revendications précédentes, comprenant un poste de formage (2) qui comporte une partie inférieure d'outillage de formage (31), un dispositif de mise en température (33) étant associé au poste de formage (2), caractérisée en ce que la partie inférieure d'outillage de formage (31) peut être échauffée à une température de 30° à 50°C, au moyen du dispositif de mise en température (33).
  7. Machine d'emballage par emboutissage par thermoformage selon la revendication 6, caractérisée en ce qu'une commande (18) de la machine d'emballage par emboutissage par thermoformage (1) est configurée pour réguler la température de la partie inférieure d'outillage de formage (31), au moyen du dispositif de mise en température (33).
  8. Machine d'emballage par emboutissage par thermoformage selon l'une des revendications 6 à 7, caractérisée en ce que la partie inférieure d'outillage de formage (31) comporte un capteur de température (34).
  9. Machine d'emballage par emboutissage par thermoformage selon l'une des revendications 6 à 7, caractérisée en ce que le dispositif de mise en température (33) comporte une pompe à eau (36) et un chauffage (37).
EP14189024.4A 2014-10-15 2014-10-15 Procédé de fabrication d'un emballage Active EP3009355B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14189024.4A EP3009355B1 (fr) 2014-10-15 2014-10-15 Procédé de fabrication d'un emballage
ES14189024.4T ES2627343T3 (es) 2014-10-15 2014-10-15 Procedimiento para fabricar un envase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14189024.4A EP3009355B1 (fr) 2014-10-15 2014-10-15 Procédé de fabrication d'un emballage

Publications (2)

Publication Number Publication Date
EP3009355A1 EP3009355A1 (fr) 2016-04-20
EP3009355B1 true EP3009355B1 (fr) 2017-04-26

Family

ID=51730388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14189024.4A Active EP3009355B1 (fr) 2014-10-15 2014-10-15 Procédé de fabrication d'un emballage

Country Status (2)

Country Link
EP (1) EP3009355B1 (fr)
ES (1) ES2627343T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2557619A (en) * 2016-12-12 2018-06-27 Rapid Action Packaging Ltd A method of making a pack for food and the associated pack
DE102017121438A1 (de) 2017-09-15 2019-03-21 Multivac Sepp Haggenmüller Se & Co. Kg Tiefziehverpackungsmaschine und Verfahren zum Formen einer Folienbahn in Kartonelemente
PL3875246T3 (pl) * 2020-03-06 2023-02-20 Harro Höfliger Verpackungsmaschinen GmbH Urządzenie do tłoczenia wgłębnego, maszyna pakująca z urządzeniem do tłoczenia wgłębnego i sposób działania urządzenia do tłoczenia wgłębnego

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10038163A1 (de) * 2000-08-04 2002-02-14 Infineon Technologies Ag Vorrichtung und Verfahren zur Bestückung von Transportgurten
EP2024236B1 (fr) * 2006-05-05 2012-05-16 Multivac Sepp Haggenmüller GmbH & Co. KG Machine à emballer
EP2036817A1 (fr) * 2007-09-12 2009-03-18 CFS Kempten GmbH Empaquetage d'aliment pour animaux
DE102007059812A1 (de) * 2007-12-11 2009-06-18 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit Induktionsheizung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2627343T3 (es) 2017-07-27
EP3009355A1 (fr) 2016-04-20

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