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EP0549987A1 - Aluminium bottle - Google Patents

Aluminium bottle Download PDF

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Publication number
EP0549987A1
EP0549987A1 EP92121661A EP92121661A EP0549987A1 EP 0549987 A1 EP0549987 A1 EP 0549987A1 EP 92121661 A EP92121661 A EP 92121661A EP 92121661 A EP92121661 A EP 92121661A EP 0549987 A1 EP0549987 A1 EP 0549987A1
Authority
EP
European Patent Office
Prior art keywords
bottle
mouthpiece
bead
aluminum
bottle neck
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.)
Withdrawn
Application number
EP92121661A
Other languages
German (de)
French (fr)
Inventor
Felix Bürkle
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.)
Tubex GmbH
Original Assignee
Tubex GmbH
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 Tubex GmbH filed Critical Tubex GmbH
Publication of EP0549987A1 publication Critical patent/EP0549987A1/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D7/00Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/02Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape
    • B65D7/04Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape of curved cross-section, e.g. cans of circular or elliptical cross-section
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D1/00Containers 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
    • B65D1/02Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023Neck construction
    • B65D1/0246Closure retaining means, e.g. beads, screw-threads

Definitions

  • the innovation relates to an aluminum bottle for drinks or other liquids according to the preamble of claim 1.
  • aluminum bottles have the advantage of lower weight compared to glass bottles, which they e.g. as a beverage container to take away, e.g. when hiking, very popular.
  • Beverage cans have the advantage of being easy to produce and, above all, easy to fill due to their lid folded with the can body, but with the disadvantage that they are clumsy for drinking, are not resealable and tend to spill over due to their cylindrical shape.
  • Glass beverage bottles are available on the market with many different types of closures, e.g. with crown cork, screw cap, clip closure, etc. They are easy to open and some. resealable; Due to their bottle neck, they make drinking easier and prevent spills.
  • the disadvantage, however, is the bottle's high weight and fragility, which makes it particularly dangerous for children.
  • an "aluminum can" in bottle form with a clip closure has recently been developed (utility model no. 8715676).
  • This invention is based on the object, starting from the shape of the aluminum bottle already available on the market, to design it in such a way that it can be closed, if possible, with the usual closure method for bulk bottles (crown cap closure), if possible with the same filling systems as for glass bottles.
  • the bottle should be manufactured using an efficient manufacturing process for aluminum bottles and cans, e.g. be inexpensively producible in the cold extrusion process with subsequent cold forming steps.
  • the so-called mouthpiece In analogy to the glass bottle, it makes sense to design the bottle neck end of the bottle, the so-called mouthpiece, in such a way that a crown cap can be pressed on which engages around a bead in a bead.
  • the mouthpiece For the necessary stability of the mouthpiece, it must be reinforced either by thick-walled material, by appropriate shaping or by an additionally applied part.
  • the design of the aluminum bottle takes into account conditions for producibility in the cold extrusion process (with subsequent deformation steps) in an assembly line production.
  • the aluminum bottle according to Fig. 1 consists of a circular cylindrical bottle body (1) which through a bottom (4) is completed and merges at the top through a frustoconical shoulder (2) into a bottle neck (3), the transitions being rounded.
  • the shoulder can, as shown in FIG. 5, also be spherical segment-shaped and the bottle neck essentially cylindrical.
  • the end of the bottle neck has a mouthpiece (5) which consists of a bead (6) of larger diameter, a bead (7) of smaller diameter and a transition part (9) to the rest of the bottle neck and thus has a shape similar to that of a mouthpiece for glass bottles DIN 6094 accepts.
  • a crown cap (8) (DIN 6099) grips the bead (6) and closes the bottle with a positive fit.
  • FIG. 4 shows an embodiment with a reinforced wall and a corresponding shape.
  • Fig. 2 shows an embodiment in which the mouthpiece has essentially the same wall thickness as the entire bottle neck (3) and the bead (6) is formed by an outer flange which merges tangentially into the rest of the mouthpiece.
  • the remaining shape of the mouthpiece is formed by appropriate shaping of the bottle neck wall.
  • the geometric shape of the outer flange (11) brings about the necessary stability of the mouthpiece (5).
  • FIG 3 shows a corresponding embodiment with an inner flange, the inside radius of which is essentially equal to the inside radius of the bottle neck.
  • the bottle neck (3) which is now essentially cylindrical in its upper region, can advantageously be combined with two to combine the advantages of the crown cork closure (automatic closure when filling) and the bow closure (reclosability) diametrically lying depressions (12) are provided, in which a clip closure (13) is latched with its ends (25).
  • the depressions (12) for engaging the clip closure (13) can be produced particularly advantageously by pressing them into the bottle neck (3) so that they protrude into the interior of the bottle neck (3).
  • the mouthpiece (5) can in turn be reinforced by a thicker wall, the bead (6) and the bead (7) being crimped (Fig. 7) or being machined by cutting or milling (Fig. 8).
  • FIGS. 9 and 10 show two further embodiments, in which the reinforcement of the bead (6) is achieved by an inner or outer flange.
  • FIG. 11 shows an embodiment with a mouthpiece (5) made of an elongated outer flange (14) and beaded bead (6), in which the depressions (12) pressed into the outer flange do not protrude into the interior of the bottle neck (3) .
  • the depressions can also be drilled optionally.
  • the special shape of the mouthpiece can also be achieved by means of an additionally attached or pressed-on mouthpiece part (15), which can then be produced from plastic or metal in a separate manufacturing process. This allows a higher precision and stability of the mouthpiece to be achieved at approximately the same production costs, but additional joining processes are obtained.
  • the bottle neck has a thinner diameter in its upper section than in its lower section, but in which one or more grooves are pressed in in the longitudinal direction.
  • the attached mouthpiece part (15) also has two corresponding ones Sections of smaller and larger diameters as well as the corresponding number of ribs in its interior, so that it fits snugly on the bottle neck and through the stop (18) and the flange (17) against axial slipping and through the ribs (20) against twisting is secured.
  • Fig. 13 shows a corresponding embodiment according to subclaim 13 with a pressed-on mouthpiece part (15).
  • the bottle neck in turn has a section of smaller diameter with a longitudinal toothing. Twisting is avoided by the toothing (23), the axial sliding through the stop (18) and the undercut (24) of the toothing (23), behind which the mouthpiece part (15) engages.
  • Such aluminum bottles are usually manufactured in a cold extrusion process, the direction of flow of the metal as a rule being during the pressing from the bottom to the - not yet fully formed - bottle neck.
  • the final shape of the bottle neck is usually achieved by the following deformation steps (cutting, conifying, beading, milling, grooving, etc.).
  • the bottle neck can already be brought into its final shape during the extrusion process if the extrusion tool has the corresponding counter shape.
  • the bottle neck (3) is to have teeth or, as in FIG. 8, a bottle neck with a very thick wall.
  • the bottom cannot be pressed in one piece with the bottle.
  • a folding lid (21) with an inwardly curved shape tightly closes the aluminum bottle by means of a folded flange (22) and forms the bottom of the bottle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

An aluminium bottle for beverages has a circular-cylindrical hollow body 1 and a bottom 4 which is integral therewith and a truncated cone-shaped shoulder 2 on the side opposite the bottom 4, which shoulder merges into a substantially cylindrical bottle neck 3. In order to be able to close the bottle with a crown top 8, the end of the bottle neck 3 is moulded to form a mouthpiece 5 which has a bead 6 at its upper end, adjoining which bead towards the bottom is a lip 7 into which the edge of the crown top 8 engages, the bead 6 having a larger diameter than the lip 7. Between the lip 7 and the shoulder 2 there is a transition part 9 with an enlarging diameter. <IMAGE>

Description

Die Neuerung betrifft eine Aluminiumflasche für Getränke oder sonstige Flüssigkeiten nach dem Oberbegriff des Anspruches 1.The innovation relates to an aluminum bottle for drinks or other liquids according to the preamble of claim 1.

Aluminiumflaschen haben wie Getränkedosen aus Weißblech oder Aluminium gegenüber Glasflaschen den Vorteil des geringeren Gewichts, was sie z.B. als Getränkebehälter zum Mitnehmen, z.B. bei Wanderungen, sehr beliebt macht.Like beverage cans made of tinplate or aluminum, aluminum bottles have the advantage of lower weight compared to glass bottles, which they e.g. as a beverage container to take away, e.g. when hiking, very popular.

Getränkedosen haben den Vorteil, durch ihren mit dem Dosenkörper verfalzten Deckel einfach produzierbar und vor allem leicht abfüllbar zu sein, dem aber der Nachteil gegenübersteht, daß sie ungeschickt zum Trinken, nicht wiederverschließbar sind und aufgrund ihrer zylindrischen Form leicht zum überschwappen neigen.Beverage cans have the advantage of being easy to produce and, above all, easy to fill due to their lid folded with the can body, but with the disadvantage that they are clumsy for drinking, are not resealable and tend to spill over due to their cylindrical shape.

Getränkeflaschen aus Glas sind auf dem Markt mit vielen verschiedenartigen Verschlüssen erhältlich, z.B. mit Kronenkorken, Schraubverschluß, Bügelverschluß, etc. Sie sind leicht zu öffnen und z.T. wiederverschließbar; aufgrund ihres Flaschenhalses erleichtern sie das Trinken und verhindern überschwappen. Nachteilig dagegen ist das hohe Gewicht der Flasche und ihre Zerbrechlichkeit, was sie besonders gefährlich für Kinder macht.Glass beverage bottles are available on the market with many different types of closures, e.g. with crown cork, screw cap, clip closure, etc. They are easy to open and some. resealable; Due to their bottle neck, they make drinking easier and prevent spills. The disadvantage, however, is the bottle's high weight and fragility, which makes it particularly dangerous for children.

Um die Vorteile der Glasflasche (geschickte Handhabung, Wiederverschließbarkeit) mit denen der Aluminiumdose (Gewicht, Unzerbrechlichkeit) zu verbinden, wurde in jüngerer Zeit eine "Aluminiumdose" in Flaschenform mit Bügelverschluß entwickelt (Gebrauchsmuster Nr. 8715676).In order to combine the advantages of the glass bottle (skilful handling, resealability) with those of the aluminum can (weight, unbreakability), an "aluminum can" in bottle form with a clip closure has recently been developed (utility model no. 8715676).

Diese Flasche hat auf dem Markt durch ihre ungewöhnliche Material-Form-Kombination und ihren großen praktischen Nutzen einen sehr guten Anklang gefunden. Demgegenüber steht jedoch die Schwierigkeit von Getränkeabfüllern, daß ein solcher Bügelverschluß schwierig anzubringen und zu verschließen ist. In der Regel stehen hierfür keine automatischen Abfüll- und Verschlußautomaten zur Verfügung, d.h die Flaschen müssen manuell verschlossen werden, was eine Massenabfüllung in großen Stückzahlen verhindert.This bottle has been very well received on the market due to its unusual combination of material and shape and its great practical use. On the other hand, there is the difficulty of bottlers that such a clasp closure is difficult to attach and close. As a rule, there are no automatic filling and closing machines available, ie the bottles have to be closed manually what prevents bulk filling in large numbers.

Dieser Erfindung liegt die Aufgabe zugrunde, ausgehend von der Form der bereits am Markt erhältlichen Aluminiumflasche diese so auszubilden, daß sie möglichst mit der für Glasflaschen üblichen Verschlußmethode für die Massenabfüllung (Kronenkorkenverschluß) verschlossen werden kann, wenn möglich mit denselben Abfüllanlagen wie für Glasflaschen. Dabei soll einerseits die Flasche durch ein effizientes Herstellungsverfahren für Aluflaschen und -dosen, z.B. im Kaltfließpressverfahren mit anschließenden Kaltverformungsschritten kostengünstig produzierbar sein. Anderseits soll gewährleistet sein, daß der Flaschenhals und das Mundstück die nötige Formgenauigkeit und Steifigkeit besitzt, damit die Flasche dicht verschlossen werden kann, wodurch eine besondere, neuartige Formgebung des Flaschenhalses und des Mundstücks erforderlich ist.This invention is based on the object, starting from the shape of the aluminum bottle already available on the market, to design it in such a way that it can be closed, if possible, with the usual closure method for bulk bottles (crown cap closure), if possible with the same filling systems as for glass bottles. On the one hand, the bottle should be manufactured using an efficient manufacturing process for aluminum bottles and cans, e.g. be inexpensively producible in the cold extrusion process with subsequent cold forming steps. On the other hand, it should be ensured that the bottle neck and the mouthpiece have the necessary dimensional accuracy and rigidity so that the bottle can be tightly closed, which requires a special, novel shape of the bottle neck and the mouthpiece.

Dieses Problem wird mit den Merkmalen des Anspruches 1 gelöst. Weitere modifizierte Ausführungsformen mit zum Teil kombinierten Verschlußmöglichkeiten sind in den Unteransprüchen enthalten. Eine so ausgebildete Flasche kann leicht abgefüllt und später vom Käufer als Mehrwegflasche verwendet werden.This problem is solved with the features of claim 1. Further modified embodiments with partially combined locking options are contained in the subclaims. A bottle designed in this way can be easily filled and later used by the buyer as a returnable bottle.

In Analogie zur Glasflasche bietet es sich an, das Flaschenhalsende der Flasche, das sogenannte Mundstück, so zu gestalten, daß ein Kronenkorken aufgepreßt werden kann, der um einen Wulst herum in einer Sicke formschlüssig eingreift. Zur nötigen Stabilität des Mundstücks muß dieses entweder durch dickwandigeres Material, durch entsprechende Formgebung oder durch ein zusätzlich aufgebrachtes Teil verstärkt ausgebildet sein. Die Gestaltung der Aluflasche berücksichtigt dabei Bedingungen für die Produzierbarkeit im Kaltfließpressverfahren (mit anschließenden Verformungsschritten) in einer Fließbandfertigung.In analogy to the glass bottle, it makes sense to design the bottle neck end of the bottle, the so-called mouthpiece, in such a way that a crown cap can be pressed on which engages around a bead in a bead. For the necessary stability of the mouthpiece, it must be reinforced either by thick-walled material, by appropriate shaping or by an additionally applied part. The design of the aluminum bottle takes into account conditions for producibility in the cold extrusion process (with subsequent deformation steps) in an assembly line production.

Ausführungsbeispiele werden anhand der beigefügten Zeichnungen näher erläutert. Es zeigen:

Fig. 1
Seitenansicht und Schnitt einer Aluflasche mit verstärktem Mundstück und aufgepreßtem Kronenkorken;
Fig. 2
Teilseitenansicht einer Ausführungsform mit Außenbördel (ohne Darstellung des Kronenkorkens);
Fig. 3
Teilseitenansicht einer Ausführungsform mit Innenbördel (ohne Kronenkorken);
Fig. 4
Teilseitenansicht einer Ausführungsform mit vertärktem Mundstück, gesickt;
Fig.5
Teilansicht einer Flasche für kombinierte Verschlußmöglichkeit, der sowohl mit einem Bügelverschluß als auch mit einem Kronkorkenverschluß (vgl. Fig.6) verschlossen werden kann. In der Abbildung ist der Flaschenhals mit einem Bügelverschluß verschlossen;
Fig.6
Teilansicht einer Flasche für kombinierte Verschlußmöglichkeit (vgl. Fig. 5) mit eingezeichnetem Kronenkorkenverschluß;
Fig. 7
Kombinierte Ausführungsform mit verstärktem Mundstück, bei der die Vertiefungen eingedrückt und die Sicke gesickt ist;
Fig.8
Flaschenhals wie in Fig.7, bei der die Sicke eingestochen ist und das Innere des Flaschenhalses eine glatte Wandung besitzt;
Fig.9
Flaschenhals für kombinierte Verschlußmöglichkeit mit Innenbördel;
Fig.10
Flaschenhals für kombinierte Verschlußmöglichkeit mit Außenbördel;
Fig.11
Kombinierte Ausführungsform mit lang gebördeltem Flaschenhals und gesicktem Rand mit in den Außenbördel eingedrückten Vertiefungen für den Bügelverschluß;
Fig.12
Seitenansicht, Längs- und Querschnitt einer zweiteiligen Ausführungsform, mit einem aufgesteckten Mundstück.
Fig.13
Seitenansicht, Schnitt und Detailvergrößerung einer dreiteiligen Ausführungsform, mit einem durch einen gefalzten Bördel mit der Flasche verbundenen Boden und einem aufgepreßtem, verzahnten Mundstück.
Exemplary embodiments are explained in more detail with reference to the accompanying drawings. Show it:
Fig. 1
Side view and section of an aluminum bottle with a reinforced mouthpiece and a pressed crown cap;
Fig. 2
Partial side view of an embodiment with outer flange (without showing the crown cap);
Fig. 3
Partial side view of an embodiment with inner eyelet (without crown cap);
Fig. 4
Partial side view of an embodiment with a reinforced mouthpiece, corrugated;
Fig. 5
Partial view of a bottle for a combined closure option, which can be closed both with a clip closure and with a crown cap closure (see Fig. 6). In the illustration, the bottle neck is closed with a clip closure;
Fig. 6
Partial view of a bottle for a combined closure option (cf. FIG. 5) with a drawn crown cap closure;
Fig. 7
Combined embodiment with reinforced mouthpiece, in which the depressions are pressed in and the bead is crimped;
Fig. 8
Bottle neck as in Fig. 7, in which the bead is pierced and the inside of the bottle neck has a smooth wall;
Fig. 9
Bottle neck for combined closure option with inner flange;
Fig. 10
Bottle neck for combined closure option with outer flange;
Fig. 11
Combined embodiment with a long crimped bottle neck and a corrugated edge with depressions for the clip closure pressed into the outer crimp;
Fig. 12
Side view, longitudinal and cross section of a two-part embodiment, with an attached mouthpiece.
Fig. 13
Side view, section and enlarged detail of a three-part embodiment, with a bottom connected to the bottle by a folded flange and a pressed-on, toothed mouthpiece.

Die Aluminiumflasche nach Fig.1 besteht aus einem kreiszylindrischen Flaschenkörper(1), der unten durch einen Boden(4) abgeschlossen ist und oben durch eine kegelstumpfförmige Schulter(2) in einen Flaschenhals(3) übergeht, wobei die Übergänge verrundet sind. Die Schulter kann auch, wie in Fig. 5 gezeigt, kugelsegmentförmig und der Flaschenhals im wesentlichen zylinderförmig sein.The aluminum bottle according to Fig. 1 consists of a circular cylindrical bottle body (1) which through a bottom (4) is completed and merges at the top through a frustoconical shoulder (2) into a bottle neck (3), the transitions being rounded. The shoulder can, as shown in FIG. 5, also be spherical segment-shaped and the bottle neck essentially cylindrical.

Das Ende des Flaschenhalses weist ein Mundstück(5) auf, das aus einem Wulst(6) größeren Durchmessers, einer Sicke(7) kleineren Durchmessers und einem Übergangsteil(9) zum restlichen Flaschenhals besteht und somit eine entsprechende Form wie ein Mundstück für Glasflaschen nach DIN 6094 annimmt.The end of the bottle neck has a mouthpiece (5) which consists of a bead (6) of larger diameter, a bead (7) of smaller diameter and a transition part (9) to the rest of the bottle neck and thus has a shape similar to that of a mouthpiece for glass bottles DIN 6094 accepts.

Ein Kronenkorken(8) (DIN 6099) umgreift den Wulst(6) und verschließt die Flasche formschlüssig.A crown cap (8) (DIN 6099) grips the bead (6) and closes the bottle with a positive fit.

Fig.4 zeigt eine Ausführungsform mit verstärkter Wandung und entsprechender Formgebung.4 shows an embodiment with a reinforced wall and a corresponding shape.

Fig.2 zeigt eine Ausführungsform, bei der das Mundstück im wesentlichen die gleiche Wandstärke wie der gesamte Flaschenhals(3) besitzt und der Wulst(6) durch einen Außenbördel gebildet wird, der tangential in das restliche Mundstück übergeht. Die restliche Form des Mundstücks wird durch eine entsprechende Formgebung der Flaschenhalswandung gebildet. Die geometrische Form des Außenbördels(11) bewirkt die notwendige Stabilität des Mundstücks(5).Fig. 2 shows an embodiment in which the mouthpiece has essentially the same wall thickness as the entire bottle neck (3) and the bead (6) is formed by an outer flange which merges tangentially into the rest of the mouthpiece. The remaining shape of the mouthpiece is formed by appropriate shaping of the bottle neck wall. The geometric shape of the outer flange (11) brings about the necessary stability of the mouthpiece (5).

Fig.3 zeigt eine entsprechende Ausführungsform mit einem Innenbördel, dessen lichter Innenradius im wesentlichen gleich dem Innenradius des Flaschenhalses ist.3 shows a corresponding embodiment with an inner flange, the inside radius of which is essentially equal to the inside radius of the bottle neck.

Wie in den Figuren 5 und 6 dargestellt wird, kann zur Kombination der Vorteile des Kronenkorkenverschlusses (automatisches Verschließen beim Abfüllen) und des Bügelverschlusses (Wiederverschließbarkeit) der Flaschenhals(3), der nun in seinem oberen Bereich im wesentlichen zylindrisch ausgeführt ist, vorteilhaft mit zwei diametral liegenden Vertiefungen(12) versehen werden, in denen ein Bügelverschluß(13) mit seinen Enden(25) eingerastet wird.As shown in FIGS. 5 and 6, the bottle neck (3), which is now essentially cylindrical in its upper region, can advantageously be combined with two to combine the advantages of the crown cork closure (automatic closure when filling) and the bow closure (reclosability) diametrically lying depressions (12) are provided, in which a clip closure (13) is latched with its ends (25).

Ist die Flasche mit einem Bügelverschluß verschlossen (Fig. 5), so liegt der Dichtring(26) des Bügelverschlusses(13) gegen den inneren Rand des Mundstücks(5) an. Die gleiche Flasche kann aber auch, wie bereits oben beschrieben, mit einem Kronenkorkenverschluß(8) verschlossen werden (Fig. 8). Diese Ausführungsform bietet einem Getränkeunternehmen den wichtigen Vorteil, die Flaschen maschinell auf einer üblichen Abfüllanlage abzufüllen und mit Kronenkorken zu verschließen und die Flaschen zusammen mit einem - nicht oder nur teilweise montierten - Bügelverschluß zum Verkauf anbieten zu können, der vom Verbraucher wegen seiner Nützlichkeit besonders gerne gekauft wird. Dadurch sind beide oben erwähnten Vorteile miteinander verbunden. Im folgenden werden einige verschiedene technische Ausführungsformen näher beschrieben.If the bottle is closed with a clip (Fig. 5), the sealing ring (26) of the clip (13) lies against the inner edge of the mouthpiece (5). The same bottle can, however, as already described above, with a crown cap closure (8) be closed (Fig. 8). This embodiment offers a beverage company the important advantage of being able to fill the bottles mechanically on a conventional filling machine and to close them with crown caps and to be able to offer the bottles for sale together with a - not or only partially assembled - clip closure, which the consumer particularly likes because of its usefulness is bought. This combines the two advantages mentioned above. Several different technical embodiments are described in more detail below.

Die Vertiefungen(12) zum Einrasten des Bügelverschlusses(13) können besonders vorteilhaft durch Eindrücken in den Flaschenhals(3) hergestellt werden, sodaß sie in das Innere des Flaschenhalses(3) vorspringen. Das Mundstück(5) kann wiederum durch eine dickere Wandung verstärkt sein, wobei der Wulst(6) und die Sicke(7) gesickt sind (Fig.7) oder durch Einstechen bzw. Fräsen spanabhebend geformt werden (Fig.8).The depressions (12) for engaging the clip closure (13) can be produced particularly advantageously by pressing them into the bottle neck (3) so that they protrude into the interior of the bottle neck (3). The mouthpiece (5) can in turn be reinforced by a thicker wall, the bead (6) and the bead (7) being crimped (Fig. 7) or being machined by cutting or milling (Fig. 8).

Die Figuren 9 und 10 zeigen zwei weitere Ausführungsformen, bei denen die Verstärkung des Wulstes(6) durch einen Innen- bzw. Außenbördel erreicht wird. In Figur 11 ist schließlich eine Ausführungsmöglichkeit mit einem Mundstück(5) aus einem langgezogenen Außenbördel(14) und gesicktem Wulst(6) dargestellt, bei dem die eingedrückten in den Außenbördel eingedrückten Vertiefungen(12) nicht in das Innere des Flaschenhalses(3) vorspringen. Bei den Ausführungsformen nach Fig. 8 und 11 können die Vertiefungen auch wahlweise gebohrt werden.Figures 9 and 10 show two further embodiments, in which the reinforcement of the bead (6) is achieved by an inner or outer flange. Finally, FIG. 11 shows an embodiment with a mouthpiece (5) made of an elongated outer flange (14) and beaded bead (6), in which the depressions (12) pressed into the outer flange do not protrude into the interior of the bottle neck (3) . In the embodiments according to FIGS. 8 and 11, the depressions can also be drilled optionally.

Die besondere Form des Mundstücks kann auch durch ein zusätzlich aufgestecktes oder aufgepreßtes Mundstückteil(15) erreicht werden, das dann in einem separaten Herstellungsprozeß aus Kunstoff oder Metall hergestellt werden kann. Dadurch läßt sich eine höhere Präzision und Stabilität des Mundstücks bei ungefähr gleichen Produktionskosten erreichen , man erhält jedoch zusätzliche Fügeprozesse.The special shape of the mouthpiece can also be achieved by means of an additionally attached or pressed-on mouthpiece part (15), which can then be produced from plastic or metal in a separate manufacturing process. This allows a higher precision and stability of the mouthpiece to be achieved at approximately the same production costs, but additional joining processes are obtained.

In der Ausführungsform wie sie in Fig.12 gezeigt ist, weist der Flaschenhals in seinem oberen Abschnitt einen dünneren Durchmesser als in seinem unteren Abschnitt auf, in welchem aber eine oder mehrere Nuten in Längsrichtung eingedrückt sind. Das aufgesteckte Mundstückteil(15) weist ebenfalls zwei entsprechende Abschnitte kleineren und größeren Durchmessers sowie die entsprechende Anzahl von Rippen in seinem Inneren auf, sodaß es passend auf dem Flaschenhals zu liegen kommt und durch den Anschlag(18) und den Bördel(17) gegen axiales Verrutschen sowie durch die Rippen(20) gegen Verdrehen gesichert ist.In the embodiment as shown in FIG. 12, the bottle neck has a thinner diameter in its upper section than in its lower section, but in which one or more grooves are pressed in in the longitudinal direction. The attached mouthpiece part (15) also has two corresponding ones Sections of smaller and larger diameters as well as the corresponding number of ribs in its interior, so that it fits snugly on the bottle neck and through the stop (18) and the flange (17) against axial slipping and through the ribs (20) against twisting is secured.

Fig.13 zeigt eine entsprechende Ausführungsform nach Unteranspruch 13 mit aufgepreßtem Mundstückteil(15). Dabei weist der Flaschenhals wiederum einen Abschnitt geringeren Durchmessersr mit einer Längsverzahnung auf. Ein Verdrehen wird durch die Verzahnung(23), das axiale Verrutschen durch den Anschlag(18) und die Hinterschneidung(24) der Verzahnung(23) vermieden, hinter der das Mundstückteil(15) einrastet.Fig. 13 shows a corresponding embodiment according to subclaim 13 with a pressed-on mouthpiece part (15). The bottle neck in turn has a section of smaller diameter with a longitudinal toothing. Twisting is avoided by the toothing (23), the axial sliding through the stop (18) and the undercut (24) of the toothing (23), behind which the mouthpiece part (15) engages.

Solche Aluminiumflaschen werden gewöhnlich im Kaltfließpreßverfahren hergestellt, wobei in der Regel die Fließrichtung des Metalls beim Pressen vom Boden zum - noch nicht vollständig geformten - Flaschenhals ist. Die entgültige Form des Flaschenhalses wird in der Regel durch folgende Verformungsschritte (Abschneiden, Konifizieren, Sicken, Fräsen, Einstechen, etc.) erreicht.Such aluminum bottles are usually manufactured in a cold extrusion process, the direction of flow of the metal as a rule being during the pressing from the bottom to the - not yet fully formed - bottle neck. The final shape of the bottle neck is usually achieved by the following deformation steps (cutting, conifying, beading, milling, grooving, etc.).

Wird die Fließrichtung umgedreht, so kann der Flaschenhals bereits beim Fließpressvorgang in seine entgültige Form gebracht werden, wenn das Fließpresswerkzeug die entsprechende Gegenform aufweist. Dies ist insbesondere notwendig bzw. besonders vorteilhaft, wenn der Flaschenhals(3), wie in Fig.13 gezeigt, eine Verzahnung oder wie in Figur 8 einen Flaschenhalsmit sehr dicker Wandung aufweisen soll. Außerdem entfallen weitere folgende Umformungsschritte, wie z.B. das Konifizieren. Dabei kann jedoch der Boden nicht einstückig mit der Flasche gepreßt werden. Dieses Problem wird durch die Ausführung nach Unteranspruch 11 dadurch gelöst, daß ein Falzdeckel(21) mit nach innen gewölbter Form durch einen gefalzten Bördel(22) die Aluminiumflasche dicht verschließt und den Boden der Flasche bildet.If the flow direction is reversed, the bottle neck can already be brought into its final shape during the extrusion process if the extrusion tool has the corresponding counter shape. This is particularly necessary or particularly advantageous if, as shown in FIG. 13, the bottle neck (3) is to have teeth or, as in FIG. 8, a bottle neck with a very thick wall. In addition, there are no further forming steps, e.g. the butting. However, the bottom cannot be pressed in one piece with the bottle. This problem is solved by the embodiment according to subclaim 11 in that a folding lid (21) with an inwardly curved shape tightly closes the aluminum bottle by means of a folded flange (22) and forms the bottom of the bottle.

Claims (13)

Aluminiumflasche für Getränke oder sonstige Flüssigkeiten, bestehend aus einem kreiszylindrischen Hohlkörper(1), der einstückig mit einer kegelstumpf- oder kugelsegmentförmigen Schulter(2) verbunden ist, die sich zu einem kegelstumpfförmigen oder im wesentlichen zylindrischen Flaschenhals(3) verjüngt, und der auf der dem Flaschenhals(3) gegenüberliegenden Seite durch einen Flaschenboden(4) abgeschlossen ist,
dadurch gekennzeichnet, daß das Ende des Flaschenhalses(3) zu einem Mundstück(5) geformt ist, das an seinem oberen Ende einen Wulst(6) größeren Durchmessers aufweist, nach unten gefolgt von einer Sicke(7) geringeren Durchmessers, in welche ein Kronenkorken(8) formschlüssig eingreifen kann, und das durch ein unter der Sicke liegendes Übergangsteil(9) in den restlichen Flaschenhals(3) übergeht.
Aluminum bottle for drinks or other liquids, consisting of a circular cylindrical hollow body (1) which is integrally connected to a frustoconical or spherical segment-shaped shoulder (2) which tapers to a frustoconical or essentially cylindrical bottle neck (3), and which on the the bottle neck (3) opposite side is closed by a bottle bottom (4),
characterized in that the end of the bottle neck (3) is shaped into a mouthpiece (5) which has a bead (6) of larger diameter at its upper end, followed downwards by a bead (7) of smaller diameter into which a crown cap is inserted (8) can intervene in a form-fitting manner, and which passes through a transition part (9) located under the bead into the remaining bottle neck (3).
Aluminiumflasche nach Anspruch 1,
dadurch gekennzeichnet, daß das Mundstück(5) aus verstärktem, geformten Aluminiummaterial besteht und daß das der Sicke(7) folgende Übergangsteil(9) des Mundstücks(5) kegelstumpfförmig an den dünnwandigeren Flaschenhals anschließt.
Aluminum bottle according to claim 1,
characterized in that the mouthpiece (5) consists of reinforced, shaped aluminum material and that the transition part (9) of the mouthpiece (5) following the bead (7) adjoins the frustoconical neck of the bottle in the shape of a truncated cone.
Aluminiumflasche nach Anspruch 1,
dadurch gekennzeichnet, daß der das Mundstück(5) abschließende Wulst(6) größeren Durchmessers durch einen Innenbördel(10) gebildet wird, dessen innerer lichter Durchmesser im wesentlichen dem Innendurchmesser des Flaschenhalses entspricht.
Aluminum bottle according to claim 1,
characterized in that the bulge (6) of larger diameter closing the mouthpiece (5) is formed by an inner flange (10), the inside diameter of which essentially corresponds to the inside diameter of the bottle neck.
Aluminiumflasche nach Anspruch 1 oder 3,
dadurch gekennzeichnet, daß der das Mundstück(5) abschließende Wulst(6) und die Sicke(7) durch einen Außenbördel(11) gebildet wird, der im wesentlichen tangential in das Übergangsteil(9) übergeht.
Aluminum bottle according to claim 1 or 3,
characterized in that the bead (6) closing the mouthpiece (5) and the bead (7) is formed by an outer flange (11) which merges essentially tangentially into the transition part (9).
Aluminiumflasche nach Anspruch 1 bis 4,
dadurch gekennzeichnet, daß der Flaschenhals(3) zylinderförmig ausgebildet ist und dieser zusätzlich unterhalb des Mundstücks(5) zwei zueinander diametral liegende Vertiefungen(12) besitzt, in die ein Bügelverschluß(13) eingehängt oder nachträglich einhängbar ist, welcher zum nachträglichen Wiederverschließen der Aluminiumflasche dient.
Aluminum bottle according to claim 1 to 4,
characterized in that the bottle neck (3) is cylindrical in shape and additionally has two depressions (12) lying diametrically opposite one another below the mouthpiece (5), into which a clip closure (13) can be hung or retrofitted, which can be used to reclose the aluminum bottle serves.
Aluminiumflasche nach Anspruch 2 oder 5,
dadurch gekennzeichnet, daß das Mundstück(5) aus verstärktem Material besteht und die Sicke(7) durch Sicken und die Vertiefungen durch Eindrücken geformt sind.
Aluminum bottle according to claim 2 or 5,
characterized in that the mouthpiece (5) consists of reinforced material and the bead (7) is formed by beads and the depressions by pressing.
Aluminiumflasche nach Anspruch 2 oder 5 und 6,
dadurch gekennzeichnet, daß das Mundstück(5) aus verstärktem Material besteht und die Sicke(7) spanabhebend durch Einstechen oder Fräsen geformt ist.
Aluminum bottle according to claim 2 or 5 and 6,
characterized in that the mouthpiece (5) is made of reinforced material and the bead (7) is machined by plunging or milling.
Aluminiumflasche nach Anspruch 2 oder 5 bis 7,
dadurch gekennzeichnet, daß der Flaschenhals innen eine flache Wandung aufweist und dadurch direkt durch einen einzigen Kaltfließpressvorgang in seine Grundform gebracht werden kann.
Aluminum bottle according to claim 2 or 5 to 7,
characterized in that the bottle neck has a flat wall on the inside and can thus be brought directly into its basic shape by a single cold extrusion process.
Aluminiumflasche nach Anspruch 1 oder 5,
dadurch gekennzeichnet, daß das Mundstück(5) doppelwandig aus einem langezogenen Außenbördel(14) besteht, welcher durch Sicken die Sicke(7) und durch Eindrücken oder Bohren die beiden gegenüberliegenden Vertiefungen(12) aufweist.
Aluminum bottle according to claim 1 or 5,
characterized in that the mouthpiece (5) consists of a double-walled elongated outer flange (14) which has the bead (7) by beading and the two opposite depressions (12) by pressing or drilling.
Aluminiumflasche nach Anspruch 1 oder 5,
dadurch gekennzeichnet, daß das Mundstück(5) zusammen mit den Vertiefungen(12) aus einem zusätzlichen aufgepreßten Teil(15) aus Metall oder Kunststoff besteht.
Aluminum bottle according to claim 1 or 5,
characterized in that the mouthpiece (5) together with the depressions (12) consists of an additional pressed-on part (15) made of metal or plastic.
Aluminiumflasche nach Anspruch 10,
dadurch gekennzeichnet, daß der Flaschenhals(3) an seinem oberen Ende einen Abschnitt kleineren Durchmessers(16) besitzt, in dem das aufgepreßte Mundstück(15) zu liegen kommt und durch einen Bördel(17) und den Anschlag(18) axial, sowie durch mindestens eine Nut(19) mit einer darin eingreifenden Rippe(20) verdrehfest gehalten wird.
Aluminum bottle according to claim 10,
characterized in that the bottle neck (3) has at its upper end a portion of smaller diameter (16) in which the pressed-on mouthpiece (15) comes to rest and by a flange (17) and the stop (18) axially, as well as by at least one groove (19) with a rib (20) engaging therein is held against rotation.
Aluminiumflasche nach Anspruch 1 bis 10,
dadurch gekennzeichnet, daß der Boden(4) der Flasche aus einem runden, nach innen gewölbten Falzdeckel(21) besteht, der durch einen gefalzten Bördel(22) mit dem zylindrischen Flaschenkörper(1) fest verbunden ist.
Aluminum bottle according to claim 1 to 10,
characterized in that the bottom (4) of the bottle consists of a round, inwardly curved folding lid (21) which is firmly connected to the cylindrical bottle body (1) by a folded flange (22).
Aluminiumflasche nach Anspruch 5,10 und 12,
dadurch gekennzeichnet, daß der Flaschenhals(3) im oberen Abschnitt einen kleineren Durchmesser und eine Verzahnung(23) aufweist, auf die ein Mundstück aufgepreßt wird, welches durch die Verzahnung(23) gegen Verdrehen und durch den Anschlag(18) und die Hinterschneidung(24) der Verzahnung(23) gegen axiales Verrutschen gesichert ist.
Aluminum bottle according to claim 5, 10 and 12,
characterized in that the bottle neck (3) has a smaller diameter in the upper section and a toothing (23) onto which a mouthpiece is pressed, which is prevented from twisting by the toothing (23) and by the stop (18) and the undercut ( 24) the toothing (23) is secured against axial slipping.
EP92121661A 1992-01-03 1992-12-19 Aluminium bottle Withdrawn EP0549987A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9200027U DE9200027U1 (en) 1992-01-03 1992-01-03 Aluminium bottle
DE9200027U 1992-01-03

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DE (1) DE9200027U1 (en)
FI (1) FI925992A (en)
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PL (1) PL297242A1 (en)

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DE9200027U1 (en) 1993-06-17
FI925992A0 (en) 1992-12-31
HU9204164D0 (en) 1993-04-28
PL297242A1 (en) 1993-09-06
HUT67070A (en) 1995-01-30
FI925992A (en) 1993-07-04

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