DE102010009117A1 - Method for manufacturing beverage can with carbonic acid pressurized beverages such as beer, soft drink or mineral water, involves providing cylindrical multi-layer shell with liquid-tight barrier, and layer of cardboard or paper - Google Patents

Method for manufacturing beverage can with carbonic acid pressurized beverages such as beer, soft drink or mineral water, involves providing cylindrical multi-layer shell with liquid-tight barrier, and layer of cardboard or paper Download PDF

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Publication number
DE102010009117A1
DE102010009117A1 DE102010009117A DE102010009117A DE102010009117A1 DE 102010009117 A1 DE102010009117 A1 DE 102010009117A1 DE 102010009117 A DE102010009117 A DE 102010009117A DE 102010009117 A DE102010009117 A DE 102010009117A DE 102010009117 A1 DE102010009117 A1 DE 102010009117A1
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Prior art keywords
longitudinal edges
layer
hose
cylindrical
cardboard
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DE102010009117A
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German (de)
Inventor
Florian Dr. 40479 Tschech
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Nucleus 40233 GmbH
NUCLEUS GmbH
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Nucleus 40233 GmbH
NUCLEUS GmbH
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Priority to DE102010009117A priority Critical patent/DE102010009117A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/36—Bending and joining, e.g. for making hollow articles
    • B29C53/38—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
    • B29C53/48—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges for articles of indefinite length, i.e. bending a strip progressively
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
    • B29C65/087—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using both a rotary sonotrode and a rotary anvil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/49—Internally supporting the, e.g. tubular, article during joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/001—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs made from laminated webs, e.g. including laminating the webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
    • B31B2105/0022—Making boxes from tubular webs or blanks, e.g. with separate bottoms, including tube or bottom forming operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/20—Shape of rigid or semi-rigid containers having a curved cross section, e.g. circular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
    • B31B50/649—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding using tools mounted on a drum

Abstract

The method involves providing a cylindrical multi-layer shell with a liquid-tight barrier, and a layer of cardboard or paper and an inner and outer surface made of plastic. The cylindrical shell is made of a multi-layer continuous web (5), where a cylinder arm (1) is provided to form a cylindrical tube (6). An inner surface of a longitudinal edge overlaps on the outer surface of another longitudinal edge. The overlapping longitudinal edges of the cylindrical tube are welded.

Description

Die Erfindung betrifft ein Verfahren zum Herstellen einer Getränkedose für durch Kohlensäure unter Überdruck stehende Getränke wie Bier, Limonade oder Mineralwasser mit einem zylindrischen mehrlagigen Mantel mit einer flüssigkeitsdichten Sperrschicht, mindestens einer Schicht aus Karton oder Papier und einer Innen- und Außenfläche aus verschweißbarem Kunststoff, wobei nach Erstellen des zylindrischen Mantels ein Boden und ein Deckel an diesem befestigt werden.The invention relates to a method for producing a beverage can for carbonated overpressures beverages such as beer, lemonade or mineral water with a cylindrical multilayer jacket with a liquid-tight barrier layer, at least one layer of cardboard or paper and an inner and outer surface of weldable plastic, wherein After creating the cylindrical shell, a bottom and a lid are attached to this.

Es ist bekannt, Getränkedosen aus Metall herzustellen. Zum Befüllen dieser Dosen ist erforderlich, sie leer anzuliefern und nach dem Befüllen mit einem Deckel zu verschließen. Das Anliefern leerer Metalldosen führt zu einem erheblichen logistischen Aufwand.It is known to produce beverage cans made of metal. To fill these cans it is necessary to deliver them empty and close them after filling with a lid. The delivery of empty metal cans leads to a considerable logistical effort.

Es ist deshalb vorgeschlagen worden, die Dosen am Ort des Befüllers herzustellen und zu befüllen. Hierzu wurde auch vorgeschlagen, den zylindrischen Mantel aus Karton mehrlagig vor Ort herzustellen und die gebogene Zylinderwand durch eine Schweißnaht zu verschließen. Hierbei hat es sich gezeigt, dass aufgrund des hohen Kohlensäuredruckes die Naht leicht aufreißt.It has therefore been proposed to produce and fill the cans at the location of the filler. For this purpose, it has also been proposed to produce the cylindrical casing of cardboard multilayer on site and to close the curved cylinder wall by a weld. It has been shown that due to the high carbonic acid pressure, the seam tears easily.

Aufgabe der Erfindung ist es, ein Verfahren der eingangs genannten Art so zu verbessern, dass die Schweißnaht des zylindrischen Mantels hohen inneren Drücken sicher standhält. Darüber hinaus ist es Aufgabe der Erfindung, ein Verfahren zur Verfügung zu stellen, das bei hoher technischer Einfachheit die Herstellung einer großen Anzahl von Dosen in kurzer Zeit ermöglicht.The object of the invention is to improve a method of the type mentioned so that the weld of the cylindrical shell withstands high internal pressures safely. Moreover, it is an object of the invention to provide a method that allows for high technical simplicity, the production of a large number of doses in a short time.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst,

  • – dass zum Herstellen des zylindrischen Mantels eine mehrschichtige Endlosbahn mit einer Breite, die dem Zylinderumfang plus einer Überlappungsbreite entspricht, über einen Freiarm zu einem zylindrischen Schlauch gebogen und hierbei ständig weiter geschoben wird, wobei die beiden Längsränder der Endlosbahn einander derart überlappen, dass die Innenfläche eines Längsrandes auf der Außenfläche des anderen Längsrandes liegt, so dass ein Rohr mit einer Länge entsteht, die der vielfachen Höhe des Dosenzylinders entspricht,
  • – dass der innerhalb des Innenraums der gebogenen Endlosbahn liegende Freiarm in Höhe des Überlappungsbereichs der Längsränder eine Schweißfläche trägt, der auf der Schlauchaußenseite eine äußere Schweißfläche gegenüber liegt, um die beiden Längsränder unter Druck miteinander zu verschweißen, und
  • – dass nach dem Verschweißen der überlappenden Längsränder der Schlauch in einzelne Zylinder von der Höhe des Dosenmantels geschnitten wird.
This object is achieved according to the invention
  • - That for producing the cylindrical shell a multilayer endless web having a width corresponding to the cylinder circumference plus an overlap width, bent over a free arm to a cylindrical tube and thereby pushed further, the two longitudinal edges of the endless web overlap each other such that the inner surface a longitudinal edge lies on the outer surface of the other longitudinal edge, so that a tube is formed with a length which corresponds to the multiple height of the can cylinder,
  • - That within the interior of the curved endless track lying free arm at the level of the overlap region of the longitudinal edges carries a welding surface, which lies on the outside of the hose, an outer welding surface to weld the two longitudinal edges under pressure, and
  • - That after welding the overlapping longitudinal edges of the tube is cut into individual cylinders of the height of the can jacket.

Durch ein solches Verfahren wird eine Mantelnaht geschaffen, die hohen Innendrücken sicher standhält. Darüber hinaus wird die Herstellung hoher Stückzahlen kontinuierlich in schneller Folge und damit bei geringem Zeitaufwand ermöglicht.By such a method, a jacket seam is created, which withstands high internal pressures safely. In addition, the production of large quantities is continuously possible in rapid succession and thus with little expenditure of time.

Besonders vorteilhaft ist hierbei, wenn das Schweißen der beiden Längsränder aufeinander durch Ultraschall-Schweißung erfolgt. Auch ist von größtem Vorteil, wenn das Verbinden der beiden überlappenden Längsränder aufeinander durch kontinuierliches Ultraschall-Schweißen mit rotierender Sonotrode und darauf abrollendem Ambossrad erfolgt.It is particularly advantageous if the welding of the two longitudinal edges takes place on each other by ultrasonic welding. It is also of great advantage if the joining of the two overlapping longitudinal edges takes place by continuous ultrasonic welding with rotating sonotrode and anvil wheel rolling thereon.

Vorzugsweise wird vorgeschlagen, dass auf dem Freiarm innerhalb des Schlauches ein Ambossrad rotierend gelagert ist, das die innere Schweißfläche bildet, und außerhalb des Schlauches ein Sonotrodenrad rotierend gelagert ist, das die äußere Schweißfläche bildet.Preferably, it is proposed that an anvil wheel is rotatably mounted on the free arm within the tube, which forms the inner welding surface, and outside the tube a Sonotrodenrad is rotatably mounted, which forms the outer welding surface.

Ausführungsbeispiele der Erfindung werden im Folgenden näher beschrieben. Die Zeichnung zeigt in schematischer Darstellung inEmbodiments of the invention will be described in more detail below. The drawing shows in a schematic representation in

1 eine Ultraschall-Schweißvorrichtung mit einem ständig durchlaufenden zylindrischen Mantel vor dem Teilen in einzelne Behälterzylinder und 1 an ultrasonic welding device with a constantly continuous cylindrical shell before dividing into individual container cylinder and

2 einen vergrößerten Ausschnitt aus 1. 2 an enlarged section 1 ,

Das erfindungsgemäße Verfahren wird auf einer Ultraschall-Schweißmaschine durchgeführt, die einen Freiarm 1 aufweist. Der Freiarm 1 steht am Maschinengestell im Wesentlichen waagerecht vor, wobei am freien Ende des Freiarms oder in einem Abstand zum Freiarmende ein Ambossrad 2 drehbar gelagert ist.The method according to the invention is carried out on an ultrasonic welding machine which has a free arm 1 having. The free-arm 1 stands on the machine frame in front substantially horizontally, wherein at the free end of the free arm or at a distance to the Freiarmende an anvil 2 is rotatably mounted.

Damit bildet der Freiarm 1 zwischen seinem freien Ende 3 und der Stelle, an der der Freiarm am Maschinengestell befestigt ist, einen Armbereich 4, auf dem eine mehrschichtige Endlosbahn 5 geführt und zu einem Endlosschlauch 6 derart gebogen wird, dass die beiden Längsränder 6a, 6b des Schlauches aufeinander liegen. Hierbei liegt die Unterseite bzw. Innenfläche des oberen Längsrandes 6a auf der Oberseite bzw. Außenfläche des unteren Längsrandes 6b.This forms the free arm 1 between his free end 3 and the location where the free arm is attached to the machine frame, an arm area 4 on which a multilayer endless web 5 guided and to an endless tube 6 bent so that the two longitudinal edges 6a . 6b of the hose lie on each other. This is the bottom or inner surface of the upper longitudinal edge 6a on the upper side or outer surface of the lower longitudinal edge 6b ,

Das Überdecken beider Längsränder 6a, 6b erfolgt im oberen Bereich des Schlauches 6. An der Innenseite dieses Überlappungsbereichs liegt die Oberseite des Ambossrades 2 an, dessen Drehachse rechtwinklig und waagerecht zur Längsachse des Schlauches 6 angeordnet ist. Auf der Oberseite liegt ein Sonotrodenrad 7 mit seiner Unterseite an, dessen Drehachse parallel zur Ambossradachse liegt.The covering of both longitudinal edges 6a . 6b takes place in the upper area of the hose 6 , On the inside of this overlap area is the top of the anvil wheel 2 whose axis of rotation is perpendicular and horizontal to the longitudinal axis of the hose 6 is arranged. On the top is a sonotrode wheel 7 with its underside, whose axis of rotation is parallel to the Anvil wheel axis.

Damit werden im Überlappungsbereich die beiden Längsränder 6a, 6b aneinander gedrückt und während des Durchlaufens des Schlauches 6 durch Ultraschall miteinander verschweißt. Im Überlappungsbereich entsteht eine ununterbrochene Längs-Schweißnaht hoher Festigkeit.Thus, in the overlap area, the two longitudinal edges 6a . 6b pressed together and while passing through the hose 6 welded together by ultrasound. The overlap area creates an uninterrupted longitudinal weld of high strength.

Der hierdurch entstehende Endlosschlauch wird danach durch Querschnitte in einzelne Zylinder aufgeteilt, deren Länge der Höhe des Mantels der Getränkedose entspricht. An den einzelnen Zylindern bzw. Mänteln der Dosen wird dann jeweils ein Boden insbesondere aus Blech befestigt, das Innere mit der Getränkeflüssigkeit gefüllt und dann der Deckel insbesondere aus Blech aufgebracht.The resulting endless tube is then divided by cross sections into individual cylinders whose length corresponds to the height of the jacket of the beverage can. At the individual cylinders or mantles of the cans, in each case a bottom, in particular made of sheet metal, is then fastened, the interior filled with the beverage liquid, and then the lid, in particular, applied from sheet metal.

In der gezeichneten Ausführung ist der im Schlauch 6 einliegende Freiarmbereich 4 an der Unterseite eines oberhalb des Schlauches 6 angeordneten Tragarms 8 gehalten, wobei das Verbindungsstück zwischen dem Freiarmbereich 4 und dem Tragarm 8 durch den Schlitz zwischen den Längsrändern 6a und 6b an einer Stelle hindurchtritt, an der die Längsränder miteinander noch einen Abstand bilden.In the drawn design is the hose 6 enclosed free-arm area 4 at the bottom of one above the hose 6 arranged support arm 8th held, with the connector between the Freiarmbereich 4 and the support arm 8th through the slot between the longitudinal edges 6a and 6b passes at a point where the longitudinal edges still form a gap with each other.

Die Endlosbahn 5 und damit der Schlauch 6 bestehen aus einem mehrlagigen Material mit mindestens einer Schicht aus Karton und/oder Papier, mit mindestens einer flüssigkeitsdichten Sperrschicht und mit einer Innen- und Außenfläche aus verschweißbarem Kunststoff.The endless track 5 and with it the hose 6 consist of a multilayer material with at least one layer of cardboard and / or paper, with at least one liquid-tight barrier layer and with an inner and outer surface of weldable plastic.

Claims (4)

Verfahren zum Herstellen einer Getränkedose für durch Kohlensäure unter Überdruck stehende Getränke wie Bier, Limonade oder Mineralwasser mit einem zylindrischen mehrlagigen Mantel mit einer flüssigkeitsdichten Sperrschicht, mindestens einer Schicht aus Karton oder Papier und einer Innen- und Außenfläche aus verschweißbarem Kunststoff, wobei nach Erstellen des zylindrischen Mantels ein Boden und ein Deckel an diesem befestigtwerden, dadurch gekennzeichnet, – dass zum Herstellen des zylindrischen Mantels eine mehrschichtige Endlosbahn (5) mit einer Breite, die dem Zylinderumfang plus einer Überlappungsbreite entspricht, über einen Freiarm (1) zu einem zylindrischen Schlauch (6) gebogen und hierbei ständig weiter geschoben wird, wobei die beiden Längsränder (6a, 6b) der Endlosbahn einander derart überlappen, dass die Innenfläche eines Längsrandes (6a) auf der Außenfläche des anderen Längsrandes (6b) liegt, so dass ein Rohr mit einer Länge entsteht, die der vielfachen Höhe des Dosenzylinders entspricht, – dass der innerhalb des Innenraums der gebogenen Endlosbahn (5) liegende Freiarm (1) in Höhe des Überlappungsbereichs der Längsränder (6a, 6b) eine Schweißfläche trägt, der auf der Schlauchaußenseite eine äußere Schweißfläche gegenüber liegt, um die beiden Längsränder unter Druck miteinander zu verschweißen, und – dass nach dem Verschweißen der überlappenden Längsränder (6a, 6b) der Schlauch (6) in einzelne Zylinder von der Höhe des Dosenmantels geschnitten wird.A process for producing a beverage can for carbonated overpressures such as beer, lemonade or mineral water comprising a cylindrical multilayer jacket having a liquid-tight barrier, at least one layer of cardboard or paper and an inner and outer surface of weldable plastic, wherein after forming the cylindrical Mantels a bottom and a lid are attached to this, characterized in that - that for producing the cylindrical shell a multilayer endless web ( 5 ) with a width corresponding to the cylinder circumference plus an overlap width, via a free arm ( 1 ) to a cylindrical tube ( 6 ) is bent and thereby pushed further, the two longitudinal edges ( 6a . 6b ) of the continuous web overlap each other such that the inner surface of a longitudinal edge ( 6a ) on the outer surface of the other longitudinal edge ( 6b ), so that a tube is formed with a length which corresponds to the multiple height of the can-cylinder, that within the interior of the curved continuous web ( 5 ) lying free-arm ( 1 ) at the level of the overlapping area of the longitudinal edges ( 6a . 6b ) carries a welding surface which faces an outer welding surface on the outside of the hose in order to weld the two longitudinal edges together under pressure, and - after the overlapping longitudinal edges have been welded together ( 6a . 6b ) the hose ( 6 ) is cut into individual cylinders from the height of the can jacket. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Schweißen der beiden Längsränder (6a, 6b) aufeinander durch Ultraschall-Schweißen erfolgt.A method according to claim 1, characterized in that the welding of the two longitudinal edges ( 6a . 6b ) is performed on each other by ultrasonic welding. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass das Verbinden der beiden überlappenden Längsränder (6a, 6b) aufeinander durch kontinuierliches Ultraschall-Schweißen mit rotierender Sonotrode (7) und darauf abrollendem Ambossrad (2) erfolgt.A method according to claim 2, characterized in that the joining of the two overlapping longitudinal edges ( 6a . 6b ) on each other by continuous ultrasonic welding with rotating sonotrode ( 7 ) and anvil wheel rolling on it ( 2 ) he follows. Verfahren nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass auf dem Freiarm (1) innerhalb des Schlauches (6) ein Ambossrad (2) rotierend gelagert ist, das die innere Schweißfläche bildet, und außerhalb des Schlauches ein Sonotrodenrad (7) rotierend gelagert ist, das die äußere Schweißfläche bildet.Method according to claim 2 or 3, characterized in that on the free arm ( 1 ) inside the hose ( 6 ) an anvil wheel ( 2 ) is rotatably mounted, which forms the inner welding surface, and outside the hose a Sonotrodenrad ( 7 ) is rotatably mounted, which forms the outer welding surface.
DE102010009117A 2010-02-24 2010-02-24 Method for manufacturing beverage can with carbonic acid pressurized beverages such as beer, soft drink or mineral water, involves providing cylindrical multi-layer shell with liquid-tight barrier, and layer of cardboard or paper Withdrawn DE102010009117A1 (en)

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* Cited by examiner, † Cited by third party
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US3656513A (en) * 1966-10-31 1972-04-18 Continental Can Co Method of manufacturing container bodies from composite strip material; container body blanks and container bodies
DE2922834A1 (en) * 1979-06-06 1980-12-11 Niepmann Ag Walchwil Packing fluids, slurries, solids, in thermoplastic film hoses - using two ultrasonic welders forming vertical and horizontal seams
US4870804A (en) * 1988-11-22 1989-10-03 Milliken Research Corporation Method of forming a parallelepiped container made of machine-glazed paper to be filled with liquid
DE4491281T1 (en) * 1993-03-12 1995-05-11 Pack Ind Sa Process for the endless production of tubular bodies for housings, in particular from cardboard
DE19711799A1 (en) * 1997-03-21 1998-10-01 Knuppertz Heinz Werner Method and device for producing tubular hollow bodies
US20040011452A1 (en) * 2001-06-19 2004-01-22 Capodieci Roberto A. Method and system for ultrasonic sealing of food product packaging
US20040052987A1 (en) * 2002-09-12 2004-03-18 Shetty Shankara R. Paper based retortable can and method for making same
DE60214229T2 (en) * 2001-12-18 2007-07-12 Kimberly-Clark Worldwide, Inc., Neenah ROLLER DISTANCE SETTING FOR A RIGID ULTRASONIC WELDING DEVICE AND CORRESPONDING METHOD
US20070237914A1 (en) * 2006-04-05 2007-10-11 Sonoco Development, Inc. Cores for pressure-sensitive adhesive tape, and methods for making same
DE102007033974A1 (en) * 2007-07-19 2009-01-22 Keienburg Agentur für Verpackung GmbH Liquid container whose jacket consists largely of pulp-containing material

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656513A (en) * 1966-10-31 1972-04-18 Continental Can Co Method of manufacturing container bodies from composite strip material; container body blanks and container bodies
DE2922834A1 (en) * 1979-06-06 1980-12-11 Niepmann Ag Walchwil Packing fluids, slurries, solids, in thermoplastic film hoses - using two ultrasonic welders forming vertical and horizontal seams
US4870804A (en) * 1988-11-22 1989-10-03 Milliken Research Corporation Method of forming a parallelepiped container made of machine-glazed paper to be filled with liquid
DE4491281T1 (en) * 1993-03-12 1995-05-11 Pack Ind Sa Process for the endless production of tubular bodies for housings, in particular from cardboard
DE19711799A1 (en) * 1997-03-21 1998-10-01 Knuppertz Heinz Werner Method and device for producing tubular hollow bodies
US20040011452A1 (en) * 2001-06-19 2004-01-22 Capodieci Roberto A. Method and system for ultrasonic sealing of food product packaging
DE60214229T2 (en) * 2001-12-18 2007-07-12 Kimberly-Clark Worldwide, Inc., Neenah ROLLER DISTANCE SETTING FOR A RIGID ULTRASONIC WELDING DEVICE AND CORRESPONDING METHOD
US20040052987A1 (en) * 2002-09-12 2004-03-18 Shetty Shankara R. Paper based retortable can and method for making same
US20070237914A1 (en) * 2006-04-05 2007-10-11 Sonoco Development, Inc. Cores for pressure-sensitive adhesive tape, and methods for making same
DE102007033974A1 (en) * 2007-07-19 2009-01-22 Keienburg Agentur für Verpackung GmbH Liquid container whose jacket consists largely of pulp-containing material

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