EP3450339B1 - Container for the storage of sensitive products, method and tool for manufacturing a container - Google Patents

Container for the storage of sensitive products, method and tool for manufacturing a container Download PDF

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Publication number
EP3450339B1
EP3450339B1 EP17188370.5A EP17188370A EP3450339B1 EP 3450339 B1 EP3450339 B1 EP 3450339B1 EP 17188370 A EP17188370 A EP 17188370A EP 3450339 B1 EP3450339 B1 EP 3450339B1
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EP
European Patent Office
Prior art keywords
container
indentation
venting opening
rim
opening
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.)
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Application number
EP17188370.5A
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German (de)
French (fr)
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EP3450339A1 (en
Inventor
Dirk Kretzschmar
Markus Günther
Peter BARZEN
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.)
Huhtamaki Oyj
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Huhtamaki Oyj
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Publication date
Application filed by Huhtamaki Oyj filed Critical Huhtamaki Oyj
Priority to EP17188370.5A priority Critical patent/EP3450339B1/en
Priority to ES17188370T priority patent/ES2813597T3/en
Publication of EP3450339A1 publication Critical patent/EP3450339A1/en
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Publication of EP3450339B1 publication Critical patent/EP3450339B1/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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/34—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for fruit, e.g. apples, oranges or tomatoes
    • 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
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
    • B65D1/26—Thin-walled containers, e.g. formed by deep-drawing operations
    • 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
    • B65D2205/00—Venting means
    • B65D2205/02—Venting holes

Definitions

  • the present invention relates to a container which is deep-drawn from a film web, with a side wall and a bottom, which together define a filling volume, which receives a product to be packaged and which has a closable filling / removal opening and additionally at least one ventilation opening. Furthermore, the present invention relates to a method for producing a container and a tool.
  • the generic containers are from the prior art, for example EP 1 092 343 A2 or off WO 86/07 036 A1 , are known and are used, for example, for the sale of sensitive foods, in particular fruits or vegetables, the shape and / or surface of which is slightly damaged.
  • containers of this type are used for packaging cocktail tomatoes.
  • the ventilation openings are drilled or punched out, but this is complex and / or unsanitary.
  • Tools for making such containers are from the EP 0 718 077 A1 and the DE 203 17 973 U1 known.
  • the present invention relates to a container which is formed from a plastic film, in particular deep-drawn.
  • the film preferably has a temperature of> 20 ° C.
  • the film has a temperature in the region of the plasticizing temperature and / or glass transition temperature of the plastic from which the film is made, or a somewhat lower temperature.
  • the container has a side wall which is, for example, cylindrical or conical in shape and at one end of which the bottom of the container connects, in particular in one piece. At its other end, the side wall has a filling / removal opening through which the container is filled or can be emptied.
  • the side wall and the bottom define the filling volume of the container.
  • the container can be closed, in particular reversibly, with a cover film and / or a cover, which is attached to, for example, the side wall in the region of the filling / removal opening of the container.
  • the container has at least one, preferably a plurality of ventilation openings through which air can escape or flow in from the filling volume.
  • These ventilation openings are preferably provided in the area of the bottom of the container.
  • Preferably 2-8 openings are provided, which have a preferred diameter of 2-12 mm.
  • these openings now have a rim, in particular a revolving rim.
  • This rim which is also referred to as a bead, is produced during the manufacture of the container if the opening is not punched or drilled but is inserted into the film with a tool, for example a needle, as long as it is still heated, i.e. has a temperature which is above, in particular clearly above, the temperature at which the container is later used.
  • a tool for example a needle
  • the film When the ventilation opening is introduced, the film preferably has a temperature which corresponds to its temperature during molding to the container or which is preferably 1-30 ° C., particularly preferably 1.5-25 ° C. below the temperature during molding.
  • the still warm film is pierced by the tip of the tool and then the tool is moved a further distance, preferably 0.5-10 mm, in the direction of the filling volume of the container. This creates the rim / bead.
  • the rim / bead extends in the direction of the filling volume of the container and is preferably provided at an angle, in particular an acute angle, to the cross-sectional area of the recess.
  • the rim / bead preferably extends around the entire circumference of the ventilation opening.
  • the container according to the invention is very hygienic because it has no separated plastic parts, chips and / or drilling chips.
  • the container according to the invention is simple to produce because the ventilation openings can be shaped and introduced in one tool.
  • the ventilation opening is provided in an indentation, in particular in the bottom of the container.
  • This indentation can be, for example, a groove-shaped circular ring be provided, which is open in the direction of the filling volume.
  • This width of this opening is preferably dimensioned such that the air flow in the filling volume is sufficiently large.
  • the width is preferably also provided such that the product to be packaged cannot fall into the indentation or can only penetrate into the indentation to a limited extent.
  • a distance is provided between the top edge of the shelf and the top edge of the indentation. This distance is preferably so large that, with a certain width of the opening of the indentation, contact between the upper edge of the rim / bead and the product to be packaged is excluded, so that the product cannot be injured by the rim / bead.
  • the container has at least one foot with which it stands on a footprint, for example a sales area.
  • the foot is dimensioned such that a ventilation opening provided in the bottom of the container is spaced from a contact surface of the container, so that an air flow can take place through the ventilation openings.
  • the container preferably has at least 3 feet.
  • the container preferably has a plurality of feet which are spaced apart from one another, so that the air can be exchanged between the filling volume of the container and the surroundings between the feet.
  • the feet are preferably arranged equidistantly on the bottom of the container.
  • the container is formed into a flat film, which is still warm and / or heated, and has been heated up, for example by means of pressure and / or negative pressure and / or by means of a stamp, into a die.
  • at least one, preferably a plurality of ventilation openings is pierced with a tool into the shaped, still heated film web or the shaped but still warm container, with a puncture during piercing Bord / a bead arises.
  • This The rim / bulge partially resiliently forms, so it remains even after the tool has been removed from the container / film. The bead is still present when the container has cooled to its operating temperature.
  • the film is preferably shaped into the container by means of negative and / or positive pressure. This pressure is preferably maintained at least temporarily when the respective hole is pierced.
  • a time delay is preferably provided between the completion of the forming of the container and the start of the piercing. This time delay is preferably less than one second, preferably 1-9 tenths of a second.
  • the tool therefore has several uses.
  • a plurality of piercing tools are preferably driven simultaneously by a common drive. These are preferably not only the tools that are required for the production of the ventilation openings for a container, but particularly preferably also for all piercing tools with multiple uses. In the case of a multiplicity of uses, one drive drives the piercing tools of several uses but not the piercing tools of all the uses.
  • the drive is preferably a pneumatic drive that moves the respective piercing tool in two opposite directions.
  • the piercing of the opening in the film takes place independently of the shaping of the film into the container.
  • the pressure with which the film is formed in the die is controlled independently of the control of the drive of the tool with which the ventilation opening is pierced in the film or the shaped container. Both are preferably controlled by computer means.
  • the object is also achieved with a tool for producing a container with the features of claim 10.
  • the tool preferably has a plurality of uses, all needles of all uses being driven together by one, preferably a plurality of drives.
  • the needles are preferably driven by a movable plate.
  • This plate is connected on the one hand to the needles and on the other hand to a drive, in particular a plurality of pneumatic drives, which moves the plate in two opposite directions and thereby drives the needles through the film and pulls it out again.
  • the path of the needles in one direction is preferably 1-10 millimeters.
  • the needles are preferably made of a steel, in particular 1.4301 (X5CrNi18-10).
  • Figures 1, - 3 and 4th show the container 1 according to the invention, which in the present case is a packaging for cocktail tomatoes.
  • This container 1 has a side wall, in the present case a conical side wall 2, to which a bottom 3 is connected.
  • the side wall 2 and the bottom 3 define a filling volume 4, which can be filled with the packaging material 8, for example the cocktail tomatoes.
  • the container according to the invention is deep-drawn from a flat plastic film, which has a temperature in the vicinity of the so-called glass temperature.
  • a stamp, overpressure and / or underpressure can be used to form the container in order to pull / press the film into a die which has the negative shape of the desired shape.
  • the shaping is preferably carried out inline with the production process of the film, so that in the present case the film preferably still has a sufficient temperature for a deep-drawing process.
  • the film can also be heated prior to deep-drawing.
  • the container at the upper end of the side wall 2 has a filling or removal opening 18 through which the packaged goods can be filled or removed.
  • This opening is preferably provided so that it can be closed by a cover and / or a cover film.
  • the floor has the ventilation openings 7 provided according to the invention, which are used to ventilate the filling volume.
  • the ventilation openings 7 are provided, which in the present case are arranged in an annular and equidistant manner.
  • the openings are produced by inserting and piercing a tool, preferably a needle, into the still warm film, preferably during the shaping of the container and / or after the shaping has been completed and / or after a certain time window has elapsed after the shaping has ended.
  • the openings 7 are arranged in an indentation 6, which in the present case is designed as a bead or groove.
  • the indentation 6 is provided such that it extends away from the filling volume 4 of the container. Details on the arrangement of the openings in the indentation and / or on the shape of the rim / bulge will be discussed again later using the Figures 13 and 14 explained.
  • the indentation 6 is provided in the shape of a circular ring.
  • 1 feet 5 are preferably arranged on the bottom of the container, here six feet 5, between which a distance is provided.
  • the feet are dimensioned so that the container stands on them and there is a distance between the openings and the contact surface of the container, for example a shelf, so that it is always ensured that an air exchange takes place between the environment and the filling volume.
  • a distance is arranged between two feet, which is also required for the air flow.
  • the distance between two feet 5 and each ventilation opening 7 are preferably arranged in radial alignment with one another.
  • the opening 7 has a rim 9 or a bead 9, which is created by inserting the needle into the still warm film. This rim / bead is retained even after the tool has been removed from the film and after the container 1 has reached its operating temperature.
  • the bead 9 extends, preferably in a ring shape, around the entire circumference of the recess 7 and preferably has a pointed cross-sectional area of the opening Angle on.
  • Can also Figure 14 can be seen that the opening 9 is provided in an indentation 6, the height and / or width of which is preferably dimensioned such that a packaged product 8, which in the present case is shown spherically, does not come into contact with the upper edge of the / the shelf / Bead arrives or there is always a distance 10 between the upper edge of the bead and the lower edge of the packaged goods 8. This ensures that the rim / bulge does not damage the surface of the packaged goods, for example a cocktail tomato.
  • the Figures 2 and 5 - 12 Details of the method according to the invention and the tool according to the invention can be found.
  • the tool 15, here a die is designed such that it represents a negative of the container to be produced.
  • the mold 11 has recesses 12 and 13 for the bottom of the container, into which the film for forming the feet or the annular groove-shaped indentation is pressed or pulled.
  • the molding tool 15 has a plurality of tools 16, here needles, with which the openings 7 are pierced into the container, here the container bottom. These needles are preferably driven together so that they move upwards and then back again to pierce or pierce the film.
  • the tool 15 preferably has a plurality of uses, so that a plurality of containers can be produced simultaneously.
  • the tools / needles 16 of the respective grooves are preferably at least partially driven together.
  • the molding tool for the bottom of the container 11 has a plurality of recesses 14 for receiving the tools / needles.
  • the movement of the tools / needles 16 is preferably independent of the shaping of the container, so that the movement of the tools / needles can take place independently of the progress of the shaping.
  • the tools / needles 16 are preferably driven such that they only move upwards when the shaping of the container has already been completed. Particularly preferably, a, preferably definable, time delay is provided between the completion of the shaping and the start of the movement of the tools.
  • the tool 11 is preferably provided interchangeably in the tool 15, so that a container with different bottoms can be formed.
  • the needles are also interchangeably provided on the drives, so that the tool 15 can be easily serviced or replaced.
  • the tools / needles 16 are preferably connected to a plate which moves them up and down together. This plate can extend over one or more uses of the tool 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Packages (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Description

Die vorliegende Erfindung betrifft einen Behälter, der aus einer Folienbahn tiefgezogen ist, mit einer Seitenwand und einem Boden, die gemeinsam ein Füllvolumen definieren, das ein Verpackungsgut aufnimmt und der eine verschließbare Einfüll-/Entnahmeöffnung und zusätzlich mindestens eine Lüftungsöffnung aufweist. Des Weiteren betrifft die vorliegende Erfindung ein Verfahren zur Herstellung eines Behälters sowie ein Werkzeug.The present invention relates to a container which is deep-drawn from a film web, with a side wall and a bottom, which together define a filling volume, which receives a product to be packaged and which has a closable filling / removal opening and additionally at least one ventilation opening. Furthermore, the present invention relates to a method for producing a container and a tool.

Die gattungsgemäßen Behälter sind aus dem Stand der Technik, beispielsweise aus EP 1 092 343 A2 oder aus WO 86/07 036 A1 , bekannt und werden beispielweise zum Verkauf von sensiblen Lebensmitteln, insbesondere Obst oder Gemüse eingesetzt, der Form und/oder Oberfläche leicht verletzt wird. Beispielsweise werden derartige Behälter zum Verpacken von Cocktail-Tomaten eingesetzt. Gemäß dem Stand der Technik werden die Lüftungsöffnungen gebohrt oder ausgestanzt, was jedoch aufwendig und/oder unhygienisch ist. Werkzeuge zum Herstellen derartiger Behälter sind aus der EP 0 718 077 A1 und der DE 203 17 973 U1 bekannt.The generic containers are from the prior art, for example EP 1 092 343 A2 or off WO 86/07 036 A1 , are known and are used, for example, for the sale of sensitive foods, in particular fruits or vegetables, the shape and / or surface of which is slightly damaged. For example, containers of this type are used for packaging cocktail tomatoes. According to the prior art, the ventilation openings are drilled or punched out, but this is complex and / or unsanitary. Tools for making such containers are from the EP 0 718 077 A1 and the DE 203 17 973 U1 known.

Es besteht deshalb die Aufgabe diese Verpackungen ständig zu verbessern und/oder ein Verfahren und/oder ein Werkzeug zur Verfügung zu stellen, das die Nachteile des Standes der Technik nicht aufweist.It is therefore the task of constantly improving these packages and / or to provide a method and / or a tool which does not have the disadvantages of the prior art.

Gelöst wird die Aufgabe mit einem Behälter, der die Merkmale des Patentanspruchs 1 aufweist.The object is achieved with a container which has the features of patent claim 1.

Die vorliegende Erfindung betrifft einen Behälter, der aus einer Kunststofffolie geformt, insbesondere tiefgezogen ist. Dafür weist die Folie vorzugsweise eine Temperatur von > 20° C auf. Insbesondere weist die Folie eine Temperatur im Bereich der Plastifizierungstemperatur und/oder Glastemperatur des Kunststoffs, aus dem die Folie gefertigt ist, oder eine etwas geringere Temperatur auf. Der Behälter weist eine Seitenwand auf, die beispielsweise zylindrisch oder konisch geformt ist und an deren einem Ende sich der Boden des Behälters, insbesondere einstückig, anschließt. An ihrem anderen Ende weist die Seitenwand eine Einfüll-/Entnahmeöffnung auf, durch die der Behälter befüllt bzw. entleert werden kann. Die Seitenwand und der Boden definieren das Füllvolumen des Behälters. Der Behälter kann mit einer Deckelfolie und/oder einem Deckel, der an die/der beispielsweise an der Seitenwand im Bereich der Einfüll-/Entnahmeöffnung des Behälters befestigt wird, insbesondere reversibel, verschlossen werden.The present invention relates to a container which is formed from a plastic film, in particular deep-drawn. For this purpose, the film preferably has a temperature of> 20 ° C. In particular, the film has a temperature in the region of the plasticizing temperature and / or glass transition temperature of the plastic from which the film is made, or a somewhat lower temperature. The container has a side wall which is, for example, cylindrical or conical in shape and at one end of which the bottom of the container connects, in particular in one piece. At its other end, the side wall has a filling / removal opening through which the container is filled or can be emptied. The side wall and the bottom define the filling volume of the container. The container can be closed, in particular reversibly, with a cover film and / or a cover, which is attached to, for example, the side wall in the region of the filling / removal opening of the container.

Des Weiteren weist der Behälter mindestens eine, vorzugsweise mehrere Belüftungsöffnungen auf, durch die Luft aus dem Füllvolumen entweichen bzw. einströmen kann. Diese Belüftungsöffnungen sind vorzugsweise im Bereich des Bodens des Behälters vorgesehen. Vorzugsweise werden 2 - 8 Öffnungen vorgesehen, die einen bevorzugten Durchmesser von 2 - 12 mm aufweisen.Furthermore, the container has at least one, preferably a plurality of ventilation openings through which air can escape or flow in from the filling volume. These ventilation openings are preferably provided in the area of the bottom of the container. Preferably 2-8 openings are provided, which have a preferred diameter of 2-12 mm.

Erfindungsgemäß weisen diese Öffnungen nun ein Bord, insbesondere einen umlaufenden Bord auf. Dieser Bord, der auch als Wulst bezeichnet wird, entsteht bei der Herstellung des Behälters, wenn die Öffnung nicht gestanzt oder gebohrt sondern mit einem Werkzeug, beispielweise einer Nadel, in die Folie eingebracht wird, solang diese noch erwärmt ist, d.h. eine Temperatur aufweist, die oberhalb, insbesondere deutlich oberhalb, der Temperatur liegt, bei der der Behälter später eingesetzt wird. Dadurch wird kein oder fast kein Material von der Folie bzw. dem geformten Behälter bei der Herstellung der Öffnung abgetrennt, sondern das Material wird verformt und bleibt in dieser Form, wenn der Behälter abkühlt. Dieses Material ist dann bold-/wulst-förmig angeordnet. Vorzugsweise weist die Folie beim Einbringen der Lüftungsöffnung eine Temperatur auf, die deren Temperatur beim Formen zu dem Behälter entspricht oder die um vorzugsweise 1 - 30 °C, besonders bevorzugt 1,5 - 25 °C unterhalb der Temperatur beim Formen liegt. Die noch warme Folie wird von der Spitze des Werkzeugs durchstochen und danach wird das Werkzeug noch eine Wegstrecke, vorzugsweise 0,5 - 10 mm in Richtung des Füllvolumens des Behälters bewegt. Dabei entsteht der Bord/die Wulst. Der Bord/Wulst erstreckt sich in Richtung des Füllvolumens des Behälters und ist vorzugsweise in einem Winkel, insbesondere einem spitzen Winkel, zur Querschnittsfläche der Ausnehmung vorgesehen. Der Bord/Wulst erstreckt sich vorzugsweise um den gesamten Umfang der Lüftungsöffnung herum.According to the invention, these openings now have a rim, in particular a revolving rim. This rim, which is also referred to as a bead, is produced during the manufacture of the container if the opening is not punched or drilled but is inserted into the film with a tool, for example a needle, as long as it is still heated, i.e. has a temperature which is above, in particular clearly above, the temperature at which the container is later used. As a result, no or almost no material is separated from the film or the shaped container during the production of the opening, but the material is deformed and remains in this form when the container cools down. This material is then arranged in a bold / bead shape. When the ventilation opening is introduced, the film preferably has a temperature which corresponds to its temperature during molding to the container or which is preferably 1-30 ° C., particularly preferably 1.5-25 ° C. below the temperature during molding. The still warm film is pierced by the tip of the tool and then the tool is moved a further distance, preferably 0.5-10 mm, in the direction of the filling volume of the container. This creates the rim / bead. The rim / bead extends in the direction of the filling volume of the container and is preferably provided at an angle, in particular an acute angle, to the cross-sectional area of the recess. The rim / bead preferably extends around the entire circumference of the ventilation opening.

Der erfindungsgemäße Behälter ist sehr hygienisch, weil er keine abgetrennten Kunststoffteile, Späne und/oder Bohrschnitzel aufweist. Der erfindungsgemäße Behälter ist einfach herzustellen, weil das Formen und Einbringen der Lüftungsöffnungen in einem Werkzeug erfolgen kann.The container according to the invention is very hygienic because it has no separated plastic parts, chips and / or drilling chips. The container according to the invention is simple to produce because the ventilation openings can be shaped and introduced in one tool.

Erfindungsgemäß ist die Lüftungsöffnung in einer Einbuchtung, insbesondere im Boden des Behälters, vorgesehen. Diese Einbuchtung kann beispielsweise als nutförmiger Kreisring vorsehen sein, der in Richtung des Füllvolumens geöffnet ist. Diese Breite dieser Öffnung ist vorzugsweise so dimensioniert, dass die Luftströmung in dem Füllvolumen hinreichend groß ist. Vorzugsweise ist die Breite aber auch so vorgesehen, dass das zu verpackende Produkt nicht in die Einbuchtung fallen kann oder nur begrenzt in die Einbuchtung eindringen. Erfindungsgemäß ist zwischen der Oberkante des Bords und Oberkante der Einbuchtung ein Abstand vorgesehen. Vorzugsweise ist dieser Abstand so groß, dass bei einer bestimmten Breite der Öffnung der Einbuchtung ein Kontakt zwischen der Oberkannte des Bordes/Wulstes und dem zu verpackenden Produkt ausgeschlossen ist, so dass das Produkt von dem Bord/Wulst nicht verletzt werden kann.According to the invention, the ventilation opening is provided in an indentation, in particular in the bottom of the container. This indentation can be, for example, a groove-shaped circular ring be provided, which is open in the direction of the filling volume. This width of this opening is preferably dimensioned such that the air flow in the filling volume is sufficiently large. However, the width is preferably also provided such that the product to be packaged cannot fall into the indentation or can only penetrate into the indentation to a limited extent. According to the invention, a distance is provided between the top edge of the shelf and the top edge of the indentation. This distance is preferably so large that, with a certain width of the opening of the indentation, contact between the upper edge of the rim / bead and the product to be packaged is excluded, so that the product cannot be injured by the rim / bead.

Gemäß einer bevorzugten Ausführungsform weist der Behälter mindestens einen Fuß auf, mit der er auf einer Aufstandsfläche, beispielsweise einer Verkaufsfläche, steht. Der Fuß ist dabei so dimensioniert, dass eine im Boden des Behälters vorgesehene Lüftungsöffnung von einer Aufstandsfläche des Behälters beabstandet ist, so dass ein Luftstrom durch die Lüftungsöffnungen stattfinden kann. Vorzugsweise weist der Behälter mindestens 3 Füße auf.According to a preferred embodiment, the container has at least one foot with which it stands on a footprint, for example a sales area. The foot is dimensioned such that a ventilation opening provided in the bottom of the container is spaced from a contact surface of the container, so that an air flow can take place through the ventilation openings. The container preferably has at least 3 feet.

Vorzugsweise weist der Behälter mehrere voneinander beabstandete Füße auf, so dass der Luftaustausch zwischen dem Füllvolumen des Behälter und der Umgebung zwischen den Füssen stattfinden kann. Vorzugsweise sind die Füße äquidistant an dem Boden des Behälters angeordnet.The container preferably has a plurality of feet which are spaced apart from one another, so that the air can be exchanged between the filling volume of the container and the surroundings between the feet. The feet are preferably arranged equidistantly on the bottom of the container.

Gelöst wird die Aufgabe außerdem mit einem Verfahren mit den Merkmalen des Patentanspruchs 4.The object is also achieved with a method having the features of patent claim 4.

Bei dem erfindungsgemäßen Verfahren wird der Behälter in eine plane noch von deren Herstellung warme und/oder aufgeheizte, plane Folie beispielsweise mittels Druck und/oder Unterdruck und/oder mittels eines Stempels in eine Matrize geformt. Beim und/oder nach dem Formen des Behälters, vorzugsweise wenn das Formen des Behälters bereits abgeschlossen ist, wird mindestens eine, vorzugsweise mehrere Lüftungsöffnungen mit einem Werkzeug in die geformte noch erwärmte Folienbahn bzw. den geformten jedoch noch warmen Behälter gestochen, wobei beim Stechen ein Bord/eine Wulst entsteht. Dieser Bord/Wulst formt sich allenfalls teilweise elastisch zurück, bleibt also auch nachdem das Werkzeug wieder aus dem Behälter/ der Folie entfernt wird. Die Wulst ist auch noch vorhanden, wenn der Behälter auf seine Gebrauchstemperatur abgekühlt ist.In the method according to the invention, the container is formed into a flat film, which is still warm and / or heated, and has been heated up, for example by means of pressure and / or negative pressure and / or by means of a stamp, into a die. During and / or after the molding of the container, preferably when the molding of the container has already been completed, at least one, preferably a plurality of ventilation openings is pierced with a tool into the shaped, still heated film web or the shaped but still warm container, with a puncture during piercing Bord / a bead arises. This The rim / bulge partially resiliently forms, so it remains even after the tool has been removed from the container / film. The bead is still present when the container has cooled to its operating temperature.

Vorzugsweise erfolgt das Formen der Folie zu dem Behälter durch Unter- und/oder Überdruck. Dieser Druck bleibt vorzugsweise beim Stechen des jeweiligen Lochs zumindest zeitweise erhalten.The film is preferably shaped into the container by means of negative and / or positive pressure. This pressure is preferably maintained at least temporarily when the respective hole is pierced.

Vorzugsweise ist zwischen der Beendigung des Formens des Behälters und dem Beginn des Einstechens ein Zeitverzug vorgesehen. Dieser Zeitverzug beträgt vorzugsweise weniger als eine Sekunde, vorzugsweise 1 - 9 Zehntelsekunden.A time delay is preferably provided between the completion of the forming of the container and the start of the piercing. This time delay is preferably less than one second, preferably 1-9 tenths of a second.

Vorzugsweise werden mehrere Behälter gleichzeitig in einem Werkzeug hergestellt. Das Werkzeug weist also mehrere Nutzen auf.Preferably, several containers are manufactured simultaneously in one tool. The tool therefore has several uses.

Vorzugsweise werden mehrere Stechwerkzeuge von einem gemeinsamen Antrieb gleichzeitig angetrieben. Dabei handelt es sich vorzugsweise nicht nur um die Werkzeuge, die für die Herstellung der Lüftungsöffnungen für einen Behälter benötigt werden, sondern besonders bevorzugt für alle Stechwerkzeuge auch bei mehreren Nutzen. Bei einer Vielzahl von Nutzen treibt ein Antrieb die Stechwerkzeuge mehrerer Nutzen aber nicht die Stechwerkzeuge aller Nutzen an.A plurality of piercing tools are preferably driven simultaneously by a common drive. These are preferably not only the tools that are required for the production of the ventilation openings for a container, but particularly preferably also for all piercing tools with multiple uses. In the case of a multiplicity of uses, one drive drives the piercing tools of several uses but not the piercing tools of all the uses.

Der Antrieb ist vorzugsweise ein Pneumatikantrieb, der das jeweilige Stechwerkzeug in zwei entgegengesetzte Richtungen bewegt.The drive is preferably a pneumatic drive that moves the respective piercing tool in two opposite directions.

Gemäß einer bevorzugten Ausführungsform erfolgt das Stechen der Öffnung in die Folie unabhängig von dem Formen der Folie zu dem Behälter. Beispielsweise erfolgt die Steuerung des Drucks, mit dem die Folie in die Matrize geformt wird unabhängig von der Steuerung des Antriebs des Werkzeugs, mit dem die Lüftungsöffnung in die Folie bzw. den geformten Behälter gestochen wird. Beides wird vorzugsweise von einem Computermittel gesteuert.According to a preferred embodiment, the piercing of the opening in the film takes place independently of the shaping of the film into the container. For example, the pressure with which the film is formed in the die is controlled independently of the control of the drive of the tool with which the ventilation opening is pierced in the film or the shaped container. Both are preferably controlled by computer means.

Gelöst wird die Aufgabe auch mit einem Werkzeug zur Herstellung eines Behälters mit den Merkmalen des Patentanspruchs 10.The object is also achieved with a tool for producing a container with the features of claim 10.

Vorzugsweise weist das Werkzeug mehrere Nutzen auf, wobei alle Nadeln aller Nutzen gemeinsam von einem, vorzugsweise mehren Antrieben angetrieben sind.The tool preferably has a plurality of uses, all needles of all uses being driven together by one, preferably a plurality of drives.

Vorzugsweise werden die Nadeln durch eine bewegliche Platte angetrieben. Diese Platte ist einerseits mit den Nadeln und anderseits mit einem Antrieb, insbesondere mehreren pneumatischen Antrieben, verbunden, der die Platte in zwei entgegengesetzte Richtungen bewegt und dabei die Nadeln durch die Folie treibt und wieder aus dieser herauszieht.The needles are preferably driven by a movable plate. This plate is connected on the one hand to the needles and on the other hand to a drive, in particular a plurality of pneumatic drives, which moves the plate in two opposite directions and thereby drives the needles through the film and pulls it out again.

Vorzugsweise beträgt der Weg der Nadeln in eine Richtung 1 - 10 Millimeter.The path of the needles in one direction is preferably 1-10 millimeters.

Die Nadeln sind vorzugsweise aus einem Stahl, insbesondere 1.4301 (X5CrNi18-10) gefertigt.The needles are preferably made of a steel, in particular 1.4301 (X5CrNi18-10).

Im Folgenden werden die Erfindungen anhand der Figuren erläutert. Diese Erläuterung sind lediglich beispielhaft und schränken den allgemeinen Erfindungsgedanken nicht ein.

Figuren 1, 3 - 4, 13, 14
zeigen den erfindungsgemäßen Behälter.
Figuren 2, 5-12
zeigen das erfindungsgemäße Verfahren beziehungsweise das erfindungsgemäße Werkzeug.
The inventions are explained below with reference to the figures. These explanations are only examples and do not limit the general idea of the invention.
Figures 1, 3 - 4, 13, 14
show the container of the invention.
Figures 2, 5-12
show the method according to the invention or the tool according to the invention.

Figuren 1, - 3 und 4 zeigen den erfindungsgemäßen Behälter 1, der in dem vorliegenden Fall eine Verpackung für Cocktailtomaten ist. Dieser Behälter 1 weist eine Seitenwand, in dem vorliegenden Fall eine konische Seitenwand 2 auf, an die sich ein Boden 3 anschließt. Die Seitenwand 2 sowie der Boden 3 definieren ein Füllvolumen 4, das mit dem Verpackungsgut 8, beispielsweise den Cocktailtomaten, befüllt werden kann. Der erfindungsgemäße Behälter ist in dem vorliegenden Fall aus einer planen Kunststofffolie tiefgezogen, die dabei eine Temperatur in der Nähe der sogenannten Glastemperatur aufweist. Zur Formung des Behälters kann ein Stempel, Überdruck und/oder Unterdruck eingesetzt werden, um die Folie in eine Matrize zu ziehen/drücken, die das negativ der gewünschten Form aufweist. Das Verformen erfolgt vorzugsweise inline mit dem Herstellungsverfahren der Folie, so dass die Folie im vorliegenden Fall vorzugsweise noch eine hinreichende Temperatur für ein Tiefziehverfahren aufweist. Der Fachmann versteht jedoch, dass die Folie vor dem Tiefziehen auch angewärmt werden kann. Figures 1, - 3 and 4th show the container 1 according to the invention, which in the present case is a packaging for cocktail tomatoes. This container 1 has a side wall, in the present case a conical side wall 2, to which a bottom 3 is connected. The side wall 2 and the bottom 3 define a filling volume 4, which can be filled with the packaging material 8, for example the cocktail tomatoes. In the present case, the container according to the invention is deep-drawn from a flat plastic film, which has a temperature in the vicinity of the so-called glass temperature. A stamp, overpressure and / or underpressure can be used to form the container in order to pull / press the film into a die which has the negative shape of the desired shape. The shaping is preferably carried out inline with the production process of the film, so that in the present case the film preferably still has a sufficient temperature for a deep-drawing process. However, the person skilled in the art understands that the film can also be heated prior to deep-drawing.

Wie insbesondere Figur 3 entnommen werden kann, weist der Behälter am oberen Ende der Seitenwand 2 eine Einfüll- bzw. Entnahmeöffnung 18 auf, durch die das Verpackungsgut eingefüllt bzw. entnommen werden kann. Diese Öffnung ist vorzugsweise durch einen Deckel und/oder eine Deckelfolie verschließbar vorgesehen.How in particular Figure 3 can be removed, the container at the upper end of the side wall 2 has a filling or removal opening 18 through which the packaged goods can be filled or removed. This opening is preferably provided so that it can be closed by a cover and / or a cover film.

Details des Bodens des erfindungsgemäßen Behälters können den Figuren 1 und 4 entnommen werden. Der Boden weist in dem vorliegenden Fall die erfindungsgemäß vorgesehenen Lüftungsöffnungen 7 auf, die zum Belüften des Füllvolumens eingesetzt werden. In dem vorliegenden Fall sind sechs derartige Öffnungen 7 vorgesehen, die in dem vorliegenden Fall kreisringförmig sowie äquidistant angeordnet sind.Details of the bottom of the container according to the invention can Figures 1 and 4th be removed. In the present case, the floor has the ventilation openings 7 provided according to the invention, which are used to ventilate the filling volume. In the present case, six such openings 7 are provided, which in the present case are arranged in an annular and equidistant manner.

Die Öffnungen werden erfindungsgemäß durch Ein- und Durchstechen eines Werkzeugs, vorzugsweise einer Nadel, in die noch warme Folie erzeugt, vorzugsweise während der Formgebung des Behälters und/oder nachdem die Formgebung abgeschlossen und/oder nachdem ein gewisses Zeitfenster nach Abschluss der Verformung verstrichen ist. In dem vorliegenden Fall sind die Öffnungen 7 in einer Einbuchtung 6, die in dem vorliegenden Fall als Sicke oder Nut ausgebildet ist, angeordnet. Die Einbuchtung 6 ist so vorgesehen, dass sie sich von dem Füllvolumen 4 des Behälters weg erstreckt. Details zu der Anordnung der Öffnungen in der Einbuchtung und/oder zur Form des Bords/Wulst werden später noch einmal anhand der Figuren 13 und 14 erläutert. In dem vorliegenden Fall ist die Einbuchtung 6 Kreisring-förmig vorgesehen. Vorzugsweise sind des Weiteren am Boden des Behälters 1 Füße 5 angeordnet, hier sechs Füße 5, zwischen denen jeweils ein Abstand vorgesehen ist. Die Füße sind so dimensioniert, dass der Behälter auf ihnen aufsteht und ein Abstand zwischen den Öffnungen und der Aufstandfläche des Behälters, beispielsweise einem Regalbrett, vorgesehen ist, so dass immer sichergestellt ist, dass ein Luftaustausch zwischen der Umgebung und dem Füllvolumen stattfindet. Zwischen zwei Füßen ist jeweils ein Abstand angeordnet, der ebenfalls für den Luftstrom benötigt wird. Vorzugsweise sind der Abstand zwischen zwei Füßen 5 und jede Lüftungsöffnung 7 in einer radialen Flucht zueinander angeordnet.According to the invention, the openings are produced by inserting and piercing a tool, preferably a needle, into the still warm film, preferably during the shaping of the container and / or after the shaping has been completed and / or after a certain time window has elapsed after the shaping has ended. In the present case, the openings 7 are arranged in an indentation 6, which in the present case is designed as a bead or groove. The indentation 6 is provided such that it extends away from the filling volume 4 of the container. Details on the arrangement of the openings in the indentation and / or on the shape of the rim / bulge will be discussed again later using the Figures 13 and 14 explained. In the present case, the indentation 6 is provided in the shape of a circular ring. In addition, 1 feet 5 are preferably arranged on the bottom of the container, here six feet 5, between which a distance is provided. The feet are dimensioned so that the container stands on them and there is a distance between the openings and the contact surface of the container, for example a shelf, so that it is always ensured that an air exchange takes place between the environment and the filling volume. A distance is arranged between two feet, which is also required for the air flow. The distance between two feet 5 and each ventilation opening 7 are preferably arranged in radial alignment with one another.

In den Figuren 13 und 14 sind Details der Einbuchtung 6 bzw. der Öffnung 7 dargestellt. Insbesondere kann in Figur 14 erkannt werden, dass die Öffnung 7 einen Bord 9 bzw. eine Wulst 9 aufweist, die durch das Einstechen der Nadel in die noch warme Folie entsteht. Dieser Bord/Wulst bleibt auch erhalten, nachdem das Werkzeug wieder aus der Folie entfernt worden ist und nachdem der Behälter 1 seine Gebrauchstemperatur aufweist. Die Wulst 9 erstreckt sich, vorzugsweise kreisringförmig um den gesamten Umfang der Ausnehmung 7 und weist zu der Querschnittsfläche der Öffnung vorzugsweise einen spitzen Winkel auf. Ebenfalls kann Figur 14 entnommen werden, dass die Öffnung 9 in einer Einbuchtung 6 vorgesehen ist, deren Höhe und/oder Breite vorzugsweise so dimensioniert ist, dass ein Verpackungsgut 8, das in dem vorliegenden Fall kugelförmig dargestellt ist, nicht in Kontakt mit der Oberkannte der/des Bordes/Wulst gelangt bzw. immer ein Abstand 10 zwischen der Oberkannte der Wulst und der Unterkannte des Verpackungsgutes 8 vorhanden ist. Dadurch wird sichergestellt, dass der Bord/Wulst die Oberfläche des Verpackungsgutes, beispielsweise einer Cocktailtomate, nicht verletzt.In the Figures 13 and 14 details of the indentation 6 and the opening 7 are shown. In particular, in Figure 14 can be recognized that the opening 7 has a rim 9 or a bead 9, which is created by inserting the needle into the still warm film. This rim / bead is retained even after the tool has been removed from the film and after the container 1 has reached its operating temperature. The bead 9 extends, preferably in a ring shape, around the entire circumference of the recess 7 and preferably has a pointed cross-sectional area of the opening Angle on. Can also Figure 14 can be seen that the opening 9 is provided in an indentation 6, the height and / or width of which is preferably dimensioned such that a packaged product 8, which in the present case is shown spherically, does not come into contact with the upper edge of the / the shelf / Bead arrives or there is always a distance 10 between the upper edge of the bead and the lower edge of the packaged goods 8. This ensures that the rim / bulge does not damage the surface of the packaged goods, for example a cocktail tomato.

Den Figuren 2 und 5 - 12 können Details des erfindungsgemäßen Verfahrens bzw. des erfindungsgemäßen Werkzeuges entnommen werden. Das Werkzeug 15, hier eine Matrize, ist derart ausgestaltet, dass es ein Negativ des herzustellenden Behälters darstellt. Insbesondere Figur 2 kann entnommen werden, dass das Formwerkzeug 11 für den Boden des Behälters Ausnehmungen 12 und 13 aufweist, in die die Folie zur Formung der Füße bzw. der kreisringnutförmigen Einbuchtung hineingedrückt oder gezogen werden.The Figures 2 and 5 - 12 Details of the method according to the invention and the tool according to the invention can be found. The tool 15, here a die, is designed such that it represents a negative of the container to be produced. In particular Figure 2 it can be seen that the mold 11 has recesses 12 and 13 for the bottom of the container, into which the film for forming the feet or the annular groove-shaped indentation is pressed or pulled.

Erfindungsgemäß weist das Formwerkzeug 15 mehrere Werkzeuge 16, hier Nadeln, auf, mit denen die Öffnungen 7 in den Behälter, hier den Behälterboden, gestochen werden. Diese Nadeln werden vorzugsweise gemeinsam so angetrieben, dass sie sich zum Stechen bzw. Durchstechen der Folie nach oben und dann wieder zurückbewegen. Vorzugsweise weist das Werkzeug 15 mehrere Nutzen auf, so dass eine Mehrzahl von Behältern gleichzeitig produziert werden kann. Vorzugsweise werden die Werkzeuge/Nadeln 16 der jeweiligen Nuten zumindest teilweise gemeinsam angetrieben. Um die Bewegung der Werkzeuge/Nadeln in Richtung des Bodens des Behälters zu ermöglichen, weist das Formwerkzeug für den Boden des Behälters 11 mehrere Ausnehmungen 14 für die Aufnahme der Werkzeuge/Nadeln auf. Die Bewegung der Werkzeuge/Nadeln 16 ist vorzugsweise von dem Formen des Behälters unabhängig, so dass die Bewegung der Werkzeuge/Nadeln unabhängig von dem Fortschritt des Formens erfolgen kann. Vorzugsweise werden die Werkzeuge/Nadeln 16 so angetrieben, dass sie sich erst nach oben bewegen, wenn das Formen des Behälters bereits abgeschlossen ist. Besonders bevorzugt ist zwischen den Abschluss des Formens und dem Start der Bewegung der Werkzeuge ein, vorzugsweise festlegbarer, Zeitverzug vorgesehen. Vorzugsweise ist das Werkzeug 11 in dem Werkzeug 15 auswechselbar vorgesehen, so dass ein Behälter mit unterschiedlichen Böden geformt werden kann. Die Nadeln sind auf den Antrieben ebenfalls auswechselbar vorgesehen, sodass eine leichte Wartung bzw. eine leichte Erneuerung des Werkzeugs 15 gegeben ist.According to the invention, the molding tool 15 has a plurality of tools 16, here needles, with which the openings 7 are pierced into the container, here the container bottom. These needles are preferably driven together so that they move upwards and then back again to pierce or pierce the film. The tool 15 preferably has a plurality of uses, so that a plurality of containers can be produced simultaneously. The tools / needles 16 of the respective grooves are preferably at least partially driven together. In order to enable the movement of the tools / needles in the direction of the bottom of the container, the molding tool for the bottom of the container 11 has a plurality of recesses 14 for receiving the tools / needles. The movement of the tools / needles 16 is preferably independent of the shaping of the container, so that the movement of the tools / needles can take place independently of the progress of the shaping. The tools / needles 16 are preferably driven such that they only move upwards when the shaping of the container has already been completed. Particularly preferably, a, preferably definable, time delay is provided between the completion of the shaping and the start of the movement of the tools. The tool 11 is preferably provided interchangeably in the tool 15, so that a container with different bottoms can be formed. The needles are also interchangeably provided on the drives, so that the tool 15 can be easily serviced or replaced.

Insbesondere den Figuren 5 und 6 kann die Bewegung der Werkzeuge/Nadeln 16 entnommen werden. Während sich in der Abbildung gemäß Figur 5 die Werkzeuge/Nadeln 16 in einer zurückgezogenen Wartestellung befinden, sind sie in der Abbildung gemäß Figur 16 bereits soweit in Richtung des Behälters bewegt worden, dass die Folie des Behälters ein- und durchstochen worden ist.Especially the Figures 5 and 6 the movement of the tools / needles 16 can be seen. While according to the figure Figure 5 the tools / needles 16 are in a withdrawn waiting position, they have already been moved so far in the direction of the container in the illustration according to FIG. 16 that the film of the container has been pierced and punctured.

Die Werkzeuge/Nadeln 16 sind vorzugsweise mit einer Platte verbunden, die sie gemeinsam hoch und runter bewegt. Diese Platte kann sich über ein oder mehrere Nutzen des Werkzeugs 15 erstrecken.The tools / needles 16 are preferably connected to a plate which moves them up and down together. This plate can extend over one or more uses of the tool 15.

Bezugszeichenliste:Reference symbol list:

11
Behälter, VerpackungContainer, packaging
22nd
SeitenwandSide wall
33rd
Bodenground
44th
FüllvolumenFilling volume
55
Fußfoot
66
Einbuchtung, Sicke, umlaufende SickeIndentation, bead, all-round bead
77
Öffnung, LüftungsöffnungOpening, ventilation opening
88th
VerpackungsgutPackaged goods
99
Bord, WulstBoard, bead
1010th
Abstanddistance
1111
Formwerkzeug für den Boden des BehältersMold for the bottom of the container
1212
Einbuchtung für die Herstellung der AufstandsflächeIndentation for the production of the footprint
1313
Einbuchtung, Nut zum Formen der Einbuchtung 6Indentation, groove for forming the indentation 6
1414
Aufnahme für eine NadelHolder for a needle
1515
Werkzeug zum Formen des BehältersTool for forming the container
1616
Werkzeug, Nadel zum Einbringen der Öffnung 7Tool, needle for opening 7
1717th
Antrieb des Werkzeugs 16Tool drive 16
1818th
Einfüll-, EntnahmeöffnungFilling, removal opening

Claims (12)

  1. Container (1) which is thermoformed from a sheet-material web and has a side wall (2) and a base (3), which together define a filling volume which accommodates contents and which has a closable introduction/removal opening (18) and, in addition, at least one venting opening (7), wherein the venting opening (7) is provided in an indentation (6),
    characterized in that
    the venting opening (7) has a rim (9) which extends in the direction of the filling volume, wherein there is a spacing (10) provided between an upper edge of the rim (9) and an upper edge of the indentation (6).
  2. Container according to Claim 1, characterized in that it has at least one foot (5), by means of which a venting opening (7) provided in the base of the container is spaced apart from a standing surface of the container.
  3. Container according to Claim 2, characterized in that it has a plurality of spaced-apart feet.
  4. Method for producing a container according to one of the preceding claims, wherein a container (1) is formed in a planar, heated sheet material and, during and/or following the forming operation, at least one venting opening (7) is pierced in the sheet material by means of a tool (16), more than one venting opening being pierced in particular at the same time, wherein the piercing operation gives rise to a rim (9) which extends in the direction of the filling volume, wherein the venting opening (7) is provided in an indentation (6) and there is a spacing (10) provided between the upper edge of the rim (9) and upper edge of the indentation (6).
  5. Method according to Claim 4, characterized in that the forming operation takes place under negative pressure and/or excess pressure.
  6. Method according to either of Claims 4 and 5, characterized in that there is a time delay between completion of the moulding of the container and the piercing of the opening (7).
  7. Method according to one of Claims 4-6, characterized in that a plurality of containers (1) are produced at the same time in a single mould (15).
  8. Method according to Claim 7, characterized in that all the tools (15) are driven at the same time by a single drive.
  9. Method according to one of Claims 4-8, characterized in that the operation of the openings (7) being pierced in the sheet material takes place independently of the operation of moulding the sheet material to form the container (1).
  10. Mould (15) for producing a container according to one of Claims 1-3, or in particular for implementing the method according to one of Claims 4-9, from a planar sheet material, having a female die for shaping the side wall (2) and the base of the container, wherein the mould has at least one movable and driven needle (16), preferably more than one such needle, the latter piercing a venting opening (7) in the sheet-material web,
    characterized in that
    the venting opening (7) has a rim (9) which extends in the direction of the filling volume of the container (1), wherein, for the base of the container (1), the mould (15) has recesses (12, 13) into which the sheet material is pushed or drawn for the purpose of forming an indentation (6) in the form of an annular groove, wherein the venting opening (7) is provided in the indentation (6) and there is a spacing (10) provided between the upper edge of the rim (9) and the upper edge of the indentation (6).
  11. Mould (15) according to Claim 10, characterized in that it has a plurality of identical moulding compartments, and in that all the needles (16) of all the moulding compartments are driven together.
  12. Mould (15) according to Claim 11, characterized in that the needles (16) are driven by a movable plate.
EP17188370.5A 2017-08-29 2017-08-29 Container for the storage of sensitive products, method and tool for manufacturing a container Active EP3450339B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17188370.5A EP3450339B1 (en) 2017-08-29 2017-08-29 Container for the storage of sensitive products, method and tool for manufacturing a container
ES17188370T ES2813597T3 (en) 2017-08-29 2017-08-29 Container for the accommodation of sensitive products, method and tool for the manufacture of a container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17188370.5A EP3450339B1 (en) 2017-08-29 2017-08-29 Container for the storage of sensitive products, method and tool for manufacturing a container

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EP3450339A1 EP3450339A1 (en) 2019-03-06
EP3450339B1 true EP3450339B1 (en) 2020-05-27

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ID=59846316

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Application Number Title Priority Date Filing Date
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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704225A1 (en) * 1977-02-02 1978-08-03 Westfaelische Metall Industrie Perforated, blow-moulded thermoplastics, container mfr. - by piercing an inflated parison with needles which are retracted after cooling
GB2094273B (en) * 1981-02-16 1985-01-03 Sharp Anthony John Two-part moulded container
EP0222840A1 (en) * 1985-05-30 1987-05-27 Garwood Limited Packaging
JP3595571B2 (en) * 1993-05-07 2004-12-02 日精エー・エス・ビー機械株式会社 Double wall bottle and method and apparatus for molding the same
HU217883B (en) * 1994-12-23 2000-04-28 Depron B.V. Method and apparatus for perforation of open cellular plastic foam foil having plain surface with closed cells
DE29918043U1 (en) * 1999-10-12 2000-02-10 Poeppelmann Kunststoff Plant pot made of thermoformed plastic film
AT503327B1 (en) * 2003-10-24 2011-06-15 Rundpack Ag DEVICE FOR THERMOFORMS OF A MUG-CONTAINING CONTAINER

Non-Patent Citations (1)

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

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ES2813597T3 (en) 2021-03-24

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