EP0663347B1 - Closure for infusion bottles or the like - Google Patents

Closure for infusion bottles or the like Download PDF

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Publication number
EP0663347B1
EP0663347B1 EP94118827A EP94118827A EP0663347B1 EP 0663347 B1 EP0663347 B1 EP 0663347B1 EP 94118827 A EP94118827 A EP 94118827A EP 94118827 A EP94118827 A EP 94118827A EP 0663347 B1 EP0663347 B1 EP 0663347B1
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EP
European Patent Office
Prior art keywords
cap
deep
edge
closure
supplementary
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP94118827A
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German (de)
French (fr)
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EP0663347A3 (en
EP0663347A2 (en
Inventor
Klaus Derksen
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Carl Freudenberg KG
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Carl Freudenberg KG
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Publication of EP0663347A2 publication Critical patent/EP0663347A2/en
Publication of EP0663347A3 publication Critical patent/EP0663347A3/de
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Publication of EP0663347B1 publication Critical patent/EP0663347B1/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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/002—Closures to be pierced by an extracting-device for the contents and fixed on the container by separate retaining means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49789—Obtaining plural product pieces from unitary workpiece
    • Y10T29/49796—Coacting pieces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming

Definitions

  • the invention relates to a method of manufacture one produced by means of a deep-drawing tool, as a closure for infusion bottles or the like trained cover with a at the bottom of the Bottle neck crimped cap in its blanket has a hole to form a piercing area.
  • a closure of a conventional type is disclosed in U.S. Patent No. 4,205,754 known.
  • the essentially pot-shaped shape Cap is used to define the mouth of the Closing stopper bottle.
  • the latter is based via a peripheral ring flange on the end face from the mouth of the bottle neck.
  • the top of the cap has a hole in the center of the hole of the plug, whereas the one flanged radially inwards lower edge of the cap to the mouth area of the neck of the bottle fixed on the outside reaches under.
  • This closure is still an overcap assigned. This will contaminate the for example plug made of rubber avoided.
  • Such Overcap is made of plastic, the flocculent material the cap made of plastically deformable metal.
  • the Cap is in the edge area of the hole by rear grip anchored. It is used for the purpose of penetrating the Stopper, for example with an injection needle, deducted.
  • the manufacture of such a closure is relatively complex and results in compliance with responsible disposal three types of materials.
  • FR-PS 1 071 650 (Fig. 3) it is then known to form a cover as a double-walled cap.
  • Their cap walls are common in their edge area flanged around a collar of a bottle neck or folded. The cap walls are flush with the edge.
  • the Inner cap leaves an opening in its ceiling. In this is a sealing membrane. The latter is from the inner cap, which also leaves an opening overlapped.
  • the object of the invention is to provide a method for the technically favorable production of a such closure, taking this into account disposal issues.
  • the process of making a cover is characterized in that after punching one Two strips of thermoformed material in Cover position under a thermoformed stamp of the Thermoforming tool, which at a joint Thermoform both strips in a single operation in a cap-shaped structure with a perforated cap (1) and an unperforated Formed supplementary cap (17), one at least at the edge Adhesive connection between the two caps (1, 17) weird and with the supplementary cap (17) extending to the bottom Edge of the cap (1) extends.
  • the punched out product receives one compared to the usual mechanical Stresses, for example due to conveyor and alignment devices, best withstanding composite.
  • a there is a particularly economic process if that Deep-drawing tool with a punch in one Strip punches a hole before deep drawing. Such one Hole can even be used to center the position in the deep-drawing station can be used by adding a leading Dowel pin retracts.
  • There is also an advantageous method step characterized by an edge under Creation of a ridge formation adhesive connection of both
  • Her special too Attack assignment at the edge of the hole is discontinued, what previous measures for a mass article required too much effort. Still will for piercing an injection needle or the like provided the hole is closed properly. Is to a film section of a film available on the market is used. It is designed as a supplementary cap and actual, i.e. self-supporting, flangeable cap assigned. It is in adhesive connection with this cap. This unit can therefore be stored in a magazine. The nested, Cup-like caps cannot fall apart. When encapsulating is the supplementary cap included in the crimp as its edge also extends to the bottom of the cap, so included in the attachment measure mentioned becomes.
  • the adhesive bond in the area of the lower edge given is. It can be a clamp connection. It is even better if the adhesive bond is off a ridge formation when deep-drawing both caps in is achieved in a single operation. You can do this common tools are used. It is also proposed that the double-layered edge points outwards bent and flared in the opposite direction is foldable. This leads to high-strength anchoring the corresponding laminate structure.
  • the closure according to the invention forms a cover A.
  • a crimpable cap 1 is part of the same.
  • the neck 2 of a bottle 3 preferably an infusion bottle, a neck 2 collar 4 protruding from the outside in a rotationally symmetrical manner. Of the lies in the area of mouth 5 of bottle 3.
  • the latter is made of glass, for example.
  • the mouth 5 takes a pierceable closure body in the form of a stopper 6.
  • the one made of elastomer Material such as Butyl rubber plug 6 is hollowed out like a dome in its shaft area.
  • the cave bears the reference number 7. It points to the inside the bottle 3 and leads to a more penetrable Thickness reduction of the ceiling section of the hollow plug-like Closure body.
  • the cap 1 For piercing the cannula of a not shown Infusion sets, transfusion sets, an injection syringe etc. leaves the area forming a ceiling 8 the cap 1 has a corresponding piercing area, realized as hole 9. Its clear diameter is kept slightly smaller than that of the mouth 5 and corresponds approximately to the largest diameter of the cavity 7. The puncture is thereby in the thinned area of the Plug 6 steered. In this respect, there is also sufficient Material for the formation of the ceiling 8, which is over a substantially cylindrical cap wall 10 in one continues lower edge 11, the so-called Flanged edge 12 forms. It is radially inward angled and engages under the lower one, essentially horizontal flank 13 of the federal government 4. This makes a the stopper 6 peripherally formed ring flange 14 and sealing against the top face 15 of the bottle neck 2 pressed. The end face 15 runs over a convex transverse curvature in the mouth 5 of the bottle neck 2 a.
  • a supplementary cap 17 closed is.
  • This can also be made of aluminum.
  • An extremely small thickness, which is slightly different, is sufficient here the cannula is penetrable, whereas the crimpable Cap 1 has a thickness that the corresponding plastic deformation allows and the desired firm Clamping the ring flange, which acts like a sealing ring 14 allowed.
  • the supplementary cap 17 can be inserted into the cap 1 be.
  • Your essentially cylindrical cap wall 18th also extends to the lower edge 11 of the cap 1.
  • the lower edge of the supplementary cap 17 bears the reference symbol 19. The latter is included in the flanging.
  • Cap 1 and supplementary cap 17 are in their nesting position secured, by way of a bond. It can be a frictional bond act that the nested "bowls" holds together.
  • an embodiment is preferred in that the adhesive bond in the area of common lower margin 11/19 is realized, and as a result of a common deep drawing both caps so cap 1 and the supplementary cap 17. This is done in a single operation.
  • the Adhesive bond arises in the course of the shearing of the double-layered edge to the same length (cf. Figure 6). Here the double-layered edge Turned 11/19 pointing away. At least that's what happens regarding the material of the rim 19 of the supplementary cap 17, namely by reaching under the front edge 11.
  • a deep-drawing tool W is shown there, consisting of an upper deep-drawing stamp 21 and a deep-drawing die 22.
  • the deep-drawing die 21 moves clock-controlled in a vertical x-x and on.
  • Run over the work table of the deep-drawing die 22 two strips I, II of correspondingly thermoformable Material too.
  • the stripes I, II cross each other. It there is a rectangular inlet.
  • Under shutdown of the deep-drawing die 21 are both strips at the same time I, II in a cap-like structure in the same direction reshaped.
  • the desired adhesive connection Shortly before the thermoforming process is finished the desired adhesive connection by forming a ridge both caps 1.17 generated, in a separation interface 23 between the product and the waste material the strips I, II.
  • the ridge formation is made that apart from the separation there is a crushing of the Material between a wall section 24 of the deep-drawing die 22 and a concave step 25 of the deep-drawing stamp 21 results.
  • the materials penetrate in one irregularly corrugated F joint something into each other even leads to undercut-like situations. In any case the adhesive bond achieved in this way is sufficient. Special Fastening aids are therefore unnecessary.
  • the process is also extremely economical in that by the deep-drawing tool W with a punch 26 in one section of material, that is outer cap 1 forming strips I in one Punch hole 9 before deep drawing.
  • the result is an extremely simplified one Manufacturability.
  • the process begins with that intended for the manufacture of the crimpable, stronger cap 1 Strip material punched and then deep-drawn is, with this deep drawing the hole closing Foil section, i.e. the supplementary cap 17, cap-forming is inserted.
  • cover A In terms of disposal, cover A only falls two types of: cap 1, supplementary cap 17, both made Aluminum, and the plug 6 made of rubber.

Description

Die Erfindung bezieht sich auf ein Verfahren zur Herstellung einer mittels eines Tiefziehwerkzeuges erzeugten, als Verschluß für Infusionsflaschen oder dergleichen ausgebildeten Abdeckung mit einer am unteren Rand an den Flaschenhals anzubördelnden Kappe, die in ihrer Decke zur Bildung eines Durchstech-Bereiches ein Loch aufweist.The invention relates to a method of manufacture one produced by means of a deep-drawing tool, as a closure for infusion bottles or the like trained cover with a at the bottom of the Bottle neck crimped cap in its blanket has a hole to form a piercing area.

Ein Verschluß üblicher Art ist durch die US-PS 4 205 754 bekannt. Die im wesentlichen topfförmige Gestalt aufweisende Kappe dient zur Festlegung eines die Mündung der Flasche verschließenden Stopfens. Letzterer stützt sich über einen peripheren Ringflansch auf der Stirnfläche der Mündung des Flaschenhalses ab. Dabei überfängt die zentral ein Loch aufweisende Decke der Kappe die Oberseite des Stopfens, wohingegen der radial nach innen gebördelte untere Rand der Kappe einen dem Mündungsbereich des Flaschenhalses außen angeformten Bund fixierend untergreift. Diesem Verschluß ist noch eine Überkappe zugeordnet. Dadurch wird Kontamination des beispielsweise aus Gummi bestehenden Stopfens vermieden. Eine solche Überkappe besteht aus Kunststoff, das bördelfähige Material der Kappe aus plastisch verformbarem Metall. Die Kappe ist im Randbereich des Loches durch Hintergriff verankert. Sie wird zum Zwecke des Durchstoßens des Stopfens, beispielsweise mit einer Injektionsnadel, abgezogen. Die Herstellung eines solchen Verschlusses ist relativ aufwendig und ergibt bei Einhaltung einer verantwortlichen Entsorgung drei Materialsorten.A closure of a conventional type is disclosed in U.S. Patent No. 4,205,754 known. The essentially pot-shaped shape Cap is used to define the mouth of the Closing stopper bottle. The latter is based via a peripheral ring flange on the end face from the mouth of the bottle neck. Thereby, the the top of the cap has a hole in the center of the hole of the plug, whereas the one flanged radially inwards lower edge of the cap to the mouth area of the neck of the bottle fixed on the outside reaches under. This closure is still an overcap assigned. This will contaminate the for example plug made of rubber avoided. Such Overcap is made of plastic, the flocculent material the cap made of plastically deformable metal. The Cap is in the edge area of the hole by rear grip anchored. It is used for the purpose of penetrating the Stopper, for example with an injection needle, deducted. The manufacture of such a closure is relatively complex and results in compliance with responsible disposal three types of materials.

Durch die FR-PS 1 071 650 (Fig. 3) ist es sodann bekannt, eine Abdeckung als doppelwandige Kappe auszubilden. Deren Kappenwände sind in ihrem Randbereich gemeinsam um einen Bund eines Flaschenhalses gebördelt bzw. gefalzt. Die Kappenwände schließen randgleich ab. Die Innenkappe läßt in ihrer Decke eine Öffnung frei. In dieser befindet sich eine Dichtungsmembran. Letztere ist von der ebenfalls eine Öffnung freilassenden Innenkappe randübergriffen.From FR-PS 1 071 650 (Fig. 3) it is then known to form a cover as a double-walled cap. Their cap walls are common in their edge area flanged around a collar of a bottle neck or folded. The cap walls are flush with the edge. The Inner cap leaves an opening in its ceiling. In this is a sealing membrane. The latter is from the inner cap, which also leaves an opening overlapped.

Aufgabe der Erfindung ist es, ein Verfahren anzugeben zur herstellungstechnisch günstigen Fertigung eines solchen Verschlusses, dies auch unter Berücksichtigung entsorgungstechnischer Belange.The object of the invention is to provide a method for the technically favorable production of a such closure, taking this into account disposal issues.

Gelöst ist diese Aufgabe durch die im Anspruch 1 angegebenen Verfahrensschritte.This problem is solved by the specified in claim 1 Procedural steps.

Weitere Ansprüche (2 und 3) geben bevorzugte Weiterbildungen an.Further claims (2 and 3) indicate preferred further developments.

Das Verfahren zur Herstellung einer Abdeckung ist dadurch gekennzeichnet, daß nach Lochen eines Streifens zwei Streifen aus tiefziehfähigem Material in Überdeckungsstellung unter einem Tiefziehstempel des Tiefziehwerkzeuges einlaufen, der bei einem gemeinschaftlichen Tiefziehen beide Streifen in einem einzigen Arbeitsgang in eine kappenförmige Struktur mit einer gelochsen Kappe (1) und einer ungelochsen Ergänzungskappe (17) umformt, wobei eine zumindest ransdseitige Haftverbindung zwischen den beiden Kappen (1, 17) hergestellt weird und wobei die Ergänzungskappe (17) sich bis zum unteren Rand der Kappe (1) erstreckt. Das ausgestanzte Produkt erhält so einen gegenüber den üblichen mechanischen Beanspruchungen, beispielsweise durch Förder- und Ausrichteeinrichtungen, bestens standhaltenden Verbund. Ein besonders ökonomisches Verfahren liegt vor, wenn das Tiefziehwerkzeug mit einem Lochstempel in den einen Streifen vor dem Tiefziehen ein Loch stanzt. Ein solches Loch kann in der Tiefziehstation sogar zur Lagezentrierung herangezogen werden, indem dort ein vorlaufender Paßstift einfährt. Weiter ist ein vorteilhafter Verfahrensschritt gekennzeichnet durch eine randseitig unter Erzeugung einer Randgratbildung Haftverbindung beider Kappenteile erfolgendes Abschneiden.The process of making a cover is characterized in that after punching one Two strips of thermoformed material in Cover position under a thermoformed stamp of the Thermoforming tool, which at a joint Thermoform both strips in a single operation in a cap-shaped structure with a perforated cap (1) and an unperforated Formed supplementary cap (17), one at least at the edge Adhesive connection between the two caps (1, 17) weird and with the supplementary cap (17) extending to the bottom Edge of the cap (1) extends. The punched out product receives one compared to the usual mechanical Stresses, for example due to conveyor and alignment devices, best withstanding composite. A there is a particularly economic process if that Deep-drawing tool with a punch in one Strip punches a hole before deep drawing. Such one Hole can even be used to center the position in the deep-drawing station can be used by adding a leading Dowel pin retracts. There is also an advantageous method step characterized by an edge under Creation of a ridge formation adhesive connection of both Cut off cap parts.

Eine als Verschluß für Infusionsflaschen oder dergleichen ausgebildete Abdeckung gemäß Anspruch 4, insbesondere hergestellt nach dem Verfahren gemäß den Ansprüchen 1 bis 3, mit einer am unteren Rand an den Flaschenhals angebördelten Kappe, die in ihrer Decke zur Bildung eines Durchstech-Bereiches ein Loch aufweist, welches von einem Abschnitt einer Ergänzungskappe verschlossen ist, die infolge Erstreckung bis zum unteren Rand der Kappe mit letzterer einbördelbar ist, ist sodann dadurch gekennzeichnet, daß in die selbsttragende Kappe die Ergänzungskappe aus einer Folie von einer durchstechbaren Dicke mit einem Folienabschnitt das Loch verschließend eingesetzt ist und mit der Kappe in unverlierbarer zumindest randseitiger Haftverbindung steht. Zufolge solcher Ausgestaltung ist ein in seiner Fertigung wesentlich vereinfachter Verschluß realisiert. Die Überkappe als Formspritzteil entfällt. Auch ihre spezielle Hintergriff-Zuordnung am Rand des Loches kommt in Fortfall, welche bisherigen Maßnahmen für einen Massenartikel einen zu hohen Aufwand erforderten. Trotzdem wird das zum Durchstechen einer Injektionsnadel oder dergleichen vorgesehene Loch einwandfrei verschlossen. Dazu ist ein Folienabschnitt einer markterhältlichen Folie herangezogen. Sie ist als Ergänzungskappe gestaltet und der eigentlichen, d.h. selbsttragenden, bördelfähigen Kappe zugeordnet. Sie steht mit dieser Kappe in Haftverbindung. Diese Einheit ist damit magazinierbar. Die ineinandergeschachtelten, napfartigen Kappen können nicht auseinanderfallen. Beim Verkapseln ist die Ergänzungskappe in die Einbördelung mit einbezogen, da sich ihr Rand ebenfalls bis zum unteren Rand der Kappe erstreckt, also bei der angesprochenen Befestigungsmaßnahme mit erfaßt wird. Nicht nur der Durchstech-Bereich, sondern der ganze freistehende Teil des Stopfens wird schützend überfangen, also vor Kontamination und Keimbildung bewahrt. Hierbei erweist es sich weiter als vorteilhaft, daß die Haftverbindung im Bereich des unteren Randes gegeben ist. Es kann sich um eine Klemmverbindung handeln. Noch besser ist es, wenn die Haftverbindung aus einer Randgratbildung beim Tiefziehen beider Kappen in einem einzigen Arbeitsgang erzielt ist. Dazu können gängige Werkzeuge zum Einsatz kommen. Weiter wird vorgeschlagen, daß der doppellagige Rand auswärts weisend abgebogen und im Bördelvorgang in entgegengesetzter Richtung umfaltbar ist. Das führt zu einer hochfesten Verankerung der entsprechenden laminatartigen Struktur. One as a closure for infusion bottles or the like trained cover according to claim 4, in particular manufactured after the procedure according to claims 1 to 3, with one at the bottom Edge flanged to the bottle neck cap, which their blanket to form a piercing area Has hole, which from a portion of a supplementary cap is closed, which as a result of extension can be crimped to the lower edge of the cap with the latter is then characterized in that in the self-supporting cap the supplementary cap from a film of a pierceable thickness with a film section the hole is inserted and closed with the cap is in captive at least marginal adhesive connection. As a result of such an embodiment, one is in its manufacture much simpler closure realized. The overcap as a molded part is not necessary. Her special too Attack assignment at the edge of the hole is discontinued, what previous measures for a mass article required too much effort. Still will for piercing an injection needle or the like provided the hole is closed properly. Is to a film section of a film available on the market is used. It is designed as a supplementary cap and actual, i.e. self-supporting, flangeable cap assigned. It is in adhesive connection with this cap. This unit can therefore be stored in a magazine. The nested, Cup-like caps cannot fall apart. When encapsulating is the supplementary cap included in the crimp as its edge also extends to the bottom of the cap, so included in the attachment measure mentioned becomes. Not just the piercing area, but the whole detached part of the stopper becomes protective overcast, i.e. protected from contamination and nucleation. It also proves advantageous here that the adhesive bond in the area of the lower edge given is. It can be a clamp connection. It is even better if the adhesive bond is off a ridge formation when deep-drawing both caps in is achieved in a single operation. You can do this common tools are used. It is also proposed that the double-layered edge points outwards bent and flared in the opposite direction is foldable. This leads to high-strength anchoring the corresponding laminate structure.

Der Gegenstand der Erfindung ist nachstehend anhand eines zeichnerisch veranschaulichten Ausführungsbeispieles näher erläutert. Es zeigt:

Fig. 1
das zur Herstellung des erfindungsgemäßen Verschlusses dienende Tiefziehwerkzeug in perspektischer Darstellung, den Kreuzverlauf der Streifen wiedergebend, und zwar weitestgehend schematisiert,
Fig. 2
ebenfalls in schaubildlicher Darstellung den erzeugten Verschluß, bei umgewendeter Ausfallstellung,
Fig. 3
einen erheblich vergrößerten Vertikalschnitt durch den Verschluß,
Fig. 4
einen vergrößerten Mantelwandausschnitt, und zwar in Randnähe,
Fig. 5
den Schnitt gemäß Linie V-V in Figur 4,
Fig. 6
die Randpartie des Verschlusses am Ende des Tiefziehvorganges sowie bei abgeschlossener Randgratbildung, stark vergrößert sowie im Vertikalschnitt wiedergegeben, und
Fig. 7
einen solchen Schnitt durch eine mit dem erfindungsgemäßen Verschluß bestückte Infusionsflasche, und zwar nur den Flaschenhals wiedergebend.
The subject matter of the invention is explained in more detail below on the basis of an illustrative embodiment. It shows:
Fig. 1
the deep-drawing tool used to manufacture the closure according to the invention in a perspective representation, reproducing the cross course of the strips, to a large extent schematized,
Fig. 2
also in a graphic representation of the closure produced, with the inverted default position,
Fig. 3
a significantly enlarged vertical section through the closure,
Fig. 4
an enlarged wall section, near the edge,
Fig. 5
the section along line VV in Figure 4,
Fig. 6
the edge part of the closure at the end of the deep-drawing process and with completed formation of the edge ridge, greatly enlarged and reproduced in vertical section, and
Fig. 7
such a section through an infusion bottle equipped with the closure according to the invention, and only reproducing the bottle neck.

Der erfindungsgemäße Verschluß bildet eine Abdeckung A. Bestandteil derselben ist eine anbördelbare Kappe 1.The closure according to the invention forms a cover A. A crimpable cap 1 is part of the same.

Zur entsprechenden plastischen Verformung ist zweckmäßig auf Aluminium zurückgegriffen.Appropriate plastic deformation is advisable resorted to aluminum.

Zum Bördeluntergriff bildet der Hals 2 einer Flasche 3, vorzugsweise einer Infusionsflasche, einen den Hals 2 außen rotationssymmetrisch überkragenden Bund 4 aus. Der liegt im Bereich der Mündung 5 der Flasche 3. Letztere besteht beispielsweise aus Glas.The neck 2 of a bottle 3, preferably an infusion bottle, a neck 2 collar 4 protruding from the outside in a rotationally symmetrical manner. Of the lies in the area of mouth 5 of bottle 3. The latter is made of glass, for example.

Die Mündung 5 nimmt einen durchstechbaren Verschlußkörper in Form eines Stopfens 6 auf. Der aus elastomerem Werkstoff wie z.B. Butylkautschuk bestehende Stopfen 6 ist in seinem Schaftbereich domartig gehöhlt. Die Höhlung trägt das Bezugszeichen 7. Sie weist in das Innere der Flasche 3 und führt zu einer durchstechgünstigeren Dickenreduzierung des Deckenabschnitts des hohlstopfenartigen Verschlußkörpers.The mouth 5 takes a pierceable closure body in the form of a stopper 6. The one made of elastomer Material such as Butyl rubber plug 6 is hollowed out like a dome in its shaft area. The cave bears the reference number 7. It points to the inside the bottle 3 and leads to a more penetrable Thickness reduction of the ceiling section of the hollow plug-like Closure body.

Zum Durchstechen der Kanüle eines nicht näher dargestellten Infusionsbestecks, Transfusionsbestecks, einer Injektionsspritze etc. beläßt der eine Decke 8 bildende Bereich der Kappe 1 einen entsprechenden Durchstech-Bereich, realisiert als Loch 9. Dessen lichter Durchmesser ist etwas kleiner gehalten als der der Mündung 5 und entspricht etwa dem größten Durchmesser der Höhlung 7. Der Einstich wird dadurch in den verdünnten Bereich des Stopfens 6 gelenkt. Insoweit verbleibt zudem genügend Material für die Bildung der Decke 8, welche sich über eine im wesentlichen zylindrische Kappenwand 10 in einen unteren Rand 11 fortsetzt, der gemäß Figur 7 den sogenannten Bördelrand 12 bildet. Der ist radial einwärts gewinkelt und untergreift die untere, im wesentlichen horizontale Flanke 13 des Bundes 4. Hierdurch wird ein dem Stopfen 6 peripher angeformter Ringflansch 14 fest und dichtend gegen die obere Stirnfläche 15 des Flaschenhalses 2 gepreßt. Die Stirnfläche 15 läuft über eine konvexe Querkrümmung in die Mündung 5 des Flaschenhalses 2 ein.For piercing the cannula of a not shown Infusion sets, transfusion sets, an injection syringe etc. leaves the area forming a ceiling 8 the cap 1 has a corresponding piercing area, realized as hole 9. Its clear diameter is kept slightly smaller than that of the mouth 5 and corresponds approximately to the largest diameter of the cavity 7. The puncture is thereby in the thinned area of the Plug 6 steered. In this respect, there is also sufficient Material for the formation of the ceiling 8, which is over a substantially cylindrical cap wall 10 in one continues lower edge 11, the so-called Flanged edge 12 forms. It is radially inward angled and engages under the lower one, essentially horizontal flank 13 of the federal government 4. This makes a the stopper 6 peripherally formed ring flange 14 and sealing against the top face 15 of the bottle neck 2 pressed. The end face 15 runs over a convex transverse curvature in the mouth 5 of the bottle neck 2 a.

Um die lochbedingt partielle Freilage des freistehenden Abschnitts des Stopfens 6 zu vermeiden und somit auch jedwede Kontamination bzw. das Eindringen von Schmutz auszuschließen, sind Vorkehrungen in Richtung einer Stopfen-Abdeckung getroffen.The partial exposure of the freestanding Avoid section of the plug 6 and thus also any contamination or ingress of dirt precautions are to be taken towards one Plug cover hit.

Konkret sieht das so aus, daß das Loch 9 von einem Folienabschnitt 16 einer Ergänzungskappe 17 verschlossen ist. Diese kann ebenfalls aus Aluminium gefertigt sein. Hier genügt eine äußerst geringe Dicke, die leicht von der Kanüle durchdringbar ist, wohingegen die anbördelbare Kappe 1 eine Dicke aufweist, die die entsprechende plastische Verformung zuläßt und die erstrebte feste Einklemmung des wie ein Dichtring wirkenden Ringflansches 14 erlaubt.Specifically, it looks like the hole 9 from a film section 16 a supplementary cap 17 closed is. This can also be made of aluminum. An extremely small thickness, which is slightly different, is sufficient here the cannula is penetrable, whereas the crimpable Cap 1 has a thickness that the corresponding plastic deformation allows and the desired firm Clamping the ring flange, which acts like a sealing ring 14 allowed.

Die Ergänzungskappe 17 kann in die Kappe 1 eingesteckt sein. Ihre im wesentlichen zylindrische Kappenwand 18 reicht ebenfalls bis zum unteren Rand 11 der Kappe 1. Der untere Rand der Ergänzungskappe 17 trägt das Bezugszeichen 19. Letzterer wird beim Umbördeln miterfaßt.The supplementary cap 17 can be inserted into the cap 1 be. Your essentially cylindrical cap wall 18th also extends to the lower edge 11 of the cap 1. The lower edge of the supplementary cap 17 bears the reference symbol 19. The latter is included in the flanging.

Kappe 1 und Ergänzungskappe 17 sind in ihrer Ineinandersteckstellung gesichert, und zwar im Wege einer Haftverbindung. Es kann sich um eine reibschlüsse Haftverbindung handeln, die die ineinandergeschachtelten "Näpfe" zusammenhält. Bevorzugt ist dabei jedoch eine Ausgestaltung dahingehend, daß die Haftverbindung im Bereich des gemeinsamen unteren Randes 11/19 verwirklicht ist, und zwar resultierend aus einem gemeimschaftlichen Tiefziehen beider Kappen also der Kappe 1 und der Ergänzungskappe 17. Dies geschieht in einem einzigen Arbeitsgang. Die Haftverbindung ergibt sich dabei im Zuge des im Grunde längengleichen Abscherens des doppellagigen Randes (vergleiche Figur 6). Hierbei wird der doppellagige Rand 11/19 auswärtsweisend abgebogen. Dies geschieht zumindest bezüglich des Materiales des Randes 19 der Ergänzungskappe 17, und zwar durch ein Untergreifen des Stirnrandes 11. Durch die entsprechende Form hat man es in der Hand, über den als Untergriff 20 dargestellten Randbereich hinausgehend in eine Art Hutprofil weiter zu ziehen. Die Tendenz der Auswärtskrümmung liegt dabei oder auch sonst bezüglich des unteren Randes 11 der Kappe 1 vor. Zumindest spitzt der Rand 11 gebogen keilförmig zur Mantelwand der Gesamtkappe 1/17 hin aus. Cap 1 and supplementary cap 17 are in their nesting position secured, by way of a bond. It can be a frictional bond act that the nested "bowls" holds together. However, an embodiment is preferred in that the adhesive bond in the area of common lower margin 11/19 is realized, and as a result of a common deep drawing both caps so cap 1 and the supplementary cap 17. This is done in a single operation. The Adhesive bond arises in the course of the shearing of the double-layered edge to the same length (cf. Figure 6). Here the double-layered edge Turned 11/19 pointing away. At least that's what happens regarding the material of the rim 19 of the supplementary cap 17, namely by reaching under the front edge 11. With the appropriate shape you have it in of the hand, over the edge region shown as the lower grip 20 going further into a kind of hat profile pull. The tendency of the outward curvature lies there or else with respect to the lower edge 11 of the Cap 1 in front. At least the edge 11 is curved in a wedge shape towards the outer wall of the entire cap 1/17.

In die sogenannte Bördelstellung überführt, ergibt sich im Verlaufe des Vorganges dann eine entgegengesetzte, radial nach innen gerichtete Umfaltung (vergleiche Figur 7).Converts to the so-called flaring position then in the course of the process an opposite, radially inward folding (see figure 7).

Das entsprechende Doppelkappen-Herstellungsverfahren soll nachstehend insbesondere anhand der Figur 1 erläutert werden. Dort ist ein Tiefziehwerkzeug W dargestellt, bestehend aus einem oberen Tiefziehstempel 21 und einer Tiefziehmatrize 22. Der Tiefziehstempel 21 bewegt sich taktgesteuert in einer Vertikalen x-x ab und auf. Über dem Arbeitstisch der Tiefziehmatrize 22 laufen zwei Streifen I,II aus entsprechend tiefziehfähigem Material zu. Die Streifen I,II kreuzen einander. Es liegt ein rechtwinkliger Zulauf vor. Unter Niederfahren des Tiefziehstempels 21 werden gleichzeitig beide Streifen I,II in eine gleichsinnige kappenförmige Struktur umgeformt. Kurz vor Beenden des Tiefziehvorganges wird dabei über eine Randgratbildung die erstrebte Haftverbindung beider Kappen 1,17 erzeugt, und zwar in einer Trennschnittstelle 23 zwischen dem Produkt und dem Abfallmaterial der Streifen I,II. Die Randgratbildung ist so gestellt, daß sich außer dem Trennen eine Quetschung des Materials zwischen einer Wandpartie 24 der Tiefziehmatrize 22 und einer konkav gewölbten Stufe 25 des Tiefziehstempels 21 ergibt. Die Materialien dringen in einer unregelmäßig gewellten Fuge F etwas ineinander, was sogar zu hinterschnittartigen Situationen führt. Jedenfalls genügt die so erreichte Haftverbindung aus. Besondere Befestigungshilfen sind daher unnötig.The corresponding double-cap manufacturing process is to be explained below in particular with reference to FIG. 1 will. A deep-drawing tool W is shown there, consisting of an upper deep-drawing stamp 21 and a deep-drawing die 22. The deep-drawing die 21 moves clock-controlled in a vertical x-x and on. Run over the work table of the deep-drawing die 22 two strips I, II of correspondingly thermoformable Material too. The stripes I, II cross each other. It there is a rectangular inlet. Under shutdown of the deep-drawing die 21 are both strips at the same time I, II in a cap-like structure in the same direction reshaped. Shortly before the thermoforming process is finished the desired adhesive connection by forming a ridge both caps 1.17 generated, in a separation interface 23 between the product and the waste material the strips I, II. The ridge formation is made that apart from the separation there is a crushing of the Material between a wall section 24 of the deep-drawing die 22 and a concave step 25 of the deep-drawing stamp 21 results. The materials penetrate in one irregularly corrugated F joint something into each other even leads to undercut-like situations. In any case the adhesive bond achieved in this way is sufficient. Special Fastening aids are therefore unnecessary.

Das Verfahren ist überdies insoweit auch äußerst ökonomisch, indem das Tiefziehwerkzeug W mit einem Lochstempel 26 in den einen Materialabschnitt, also den die außenliegende Kappe 1 bildenden Streifen I in einer Station vor dem Tiefziehen das Loch 9 stanzt.The process is also extremely economical in that by the deep-drawing tool W with a punch 26 in one section of material, that is outer cap 1 forming strips I in one Punch hole 9 before deep drawing.

Zusammenfassend ergibt sich so eine äußerst vereinfachte Herstellbarkeit. Das Verfahren beginnt damit, daß das zur Herstellung der anbördelbaren, stärkeren Kappe 1 bestimmte Streifenmaterial gelocht und dann tiefgezogen wird, wobei bei diesem Tiefziehen der das Loch verschließende Folienabschnitt, also die Ergänzungskappe 17, kappenbildend mit eingefügt wird.In summary, the result is an extremely simplified one Manufacturability. The process begins with that intended for the manufacture of the crimpable, stronger cap 1 Strip material punched and then deep-drawn is, with this deep drawing the hole closing Foil section, i.e. the supplementary cap 17, cap-forming is inserted.

Entsorgungsmäßig fallen bezüglich der Abdeckung A nur zwei Sorten an: Kappe 1, Ergänzungskappe 17, beide aus Aluminium, und der Stopfen 6 aus Gummi.In terms of disposal, cover A only falls two types of: cap 1, supplementary cap 17, both made Aluminum, and the plug 6 made of rubber.

Claims (9)

  1. A process for producing a cover (A) which is made using a deep-drawing die (W) and is designed as a closure for infusion bottles (3) or the like, having a cap (1) which can be flanged onto the bottle neck (2) at the bottom edge (11) and, in its top (8), has a hole (9) for forming a piercing region, characterized in that, following perforation of a strip (I), two strips (I, II) of deep-drawable material run in, in an overlapping manner, beneath a male die part (21) of the deep-drawing die (W) and, in a joint deep-drawing operation, said male die part forms the two strips (I, II), in a single step, into a cap-like structure having a perforated cap (1) and a non-perforated, supplementary cap (17), a joint being produced between the two caps (1, 17) at least at the edges, and the supplementary cap (17) extending to the bottom edge of the cap (1).
  2. A process according to claim 1, characterized in that, using a punch (26), the deep-drawing die (W) punches a hole (9) into one strip (I) prior to the deep-drawing operation.
  3. A process according to either of the preceding claims, characterized by a cut-off operation which takes place at the edges, an edge-burr formation being produced as a joint between the two cap parts in the process.
  4. A cover (A) which is designed as a closure for infusion bottles (3) or the like, in particular a cover produced by the process according to any of claims 1 to 3, having a cap (1) which can be flanged onto the bottle neck (2) at the bottom edge (11) and, in its top (8), has a hole (9) for forming a piercing region, said hole being closed off by a section of the supplementary cap (17) which, as a result of extending to the bottom edge (11) of the cap (1), can be flanged in with the latter, characterized in that the supplementary cap (17), comprising a foil of pierceable thickness, is inserted into the self-supporting cap (1), with a foil section (16) closing off the hole (9), and is joined to the cap in captive fashion at least at the edges.
  5. A closure according to claim 4, characterized in that the joint is achieved as a result of the edge-burr formation during a joint deep-drawing operation of the two caps (1, 17) in a single step.
  6. A closure according to claim 5, characterized in that, during the edge-burr formation, the materials of the cap (1) and of the supplementary cap (17) interengage in an undulating join (F).
  7. A closure according to any of claims 4 to 6, characterized in that the joint is provided in the region of the bottom edge (11/19).
  8. A closure according to any of claims 4 to 7, characterized in that the double-layered edge (11, 19) is bent so as to be oriented outwards and, in the flanging operation, can be folded over in the opposite direction.
  9. A closure according to claim 8, characterized in that the edge (19) of the supplementary cap (17) tapers towards the outer wall of the cap (1).
EP94118827A 1993-12-23 1994-11-30 Closure for infusion bottles or the like Expired - Lifetime EP0663347B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4344134A DE4344134A1 (en) 1993-12-23 1993-12-23 Cover designed as a closure for infusion bottles or the like
DE4344134 1993-12-23

Publications (3)

Publication Number Publication Date
EP0663347A2 EP0663347A2 (en) 1995-07-19
EP0663347A3 EP0663347A3 (en) 1995-08-16
EP0663347B1 true EP0663347B1 (en) 1998-05-20

Family

ID=6505975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118827A Expired - Lifetime EP0663347B1 (en) 1993-12-23 1994-11-30 Closure for infusion bottles or the like

Country Status (6)

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US (2) US5588547A (en)
EP (1) EP0663347B1 (en)
JP (1) JPH07275325A (en)
DE (2) DE4344134A1 (en)
DK (1) DK0663347T3 (en)
ES (1) ES2117752T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5938038A (en) * 1996-08-02 1999-08-17 Dial Tool Industries, Inc. Parts carrier strip and apparatus for assembling parts in such a strip
DE19754625C2 (en) * 1997-12-09 2002-01-24 Helvoet Pharma Stopper for closing infusion bottles
EP1990092B1 (en) * 2001-03-09 2010-02-10 Gen-Probe Incorporated Penetrable cap
DE102010038031B4 (en) 2010-10-07 2017-01-26 Helvoet Pharma Belgium N.V. Method for producing a crimp cap, crimp cap and container
EP2766133B1 (en) 2011-10-11 2019-08-14 Datwyler Pharma Packaging Belgium NV Method for producing a crimp cap, crimp cap and container
DE102012102881A1 (en) 2012-04-03 2013-10-10 Datwyler Pharma Packaging International Nv Method for producing a crimp cap, crimp cap and container with crimp cap

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US2734649A (en) * 1956-02-14 Moistureproof vial closure
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Also Published As

Publication number Publication date
EP0663347A3 (en) 1995-08-16
ES2117752T3 (en) 1998-08-16
DE59406022D1 (en) 1998-06-25
US5682663A (en) 1997-11-04
EP0663347A2 (en) 1995-07-19
US5588547A (en) 1996-12-31
DE4344134A1 (en) 1995-06-29
DK0663347T3 (en) 1999-03-08
JPH07275325A (en) 1995-10-24

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