EP0730858B1 - Plastic bottle and process for the production thereof - Google Patents

Plastic bottle and process for the production thereof Download PDF

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Publication number
EP0730858B1
EP0730858B1 EP95119436A EP95119436A EP0730858B1 EP 0730858 B1 EP0730858 B1 EP 0730858B1 EP 95119436 A EP95119436 A EP 95119436A EP 95119436 A EP95119436 A EP 95119436A EP 0730858 B1 EP0730858 B1 EP 0730858B1
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EP
European Patent Office
Prior art keywords
bottle
neck
separation point
separation
bottle body
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
EP95119436A
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German (de)
French (fr)
Other versions
EP0730858A2 (en
EP0730858A3 (en
Inventor
Bernd Dipl.-Ing. Hansen
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Individual
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Individual
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Publication of EP0730858A2 publication Critical patent/EP0730858A2/en
Publication of EP0730858A3 publication Critical patent/EP0730858A3/en
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Publication of EP0730858B1 publication Critical patent/EP0730858B1/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
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023—Neck construction
    • B65D1/0238—Integral frangible closures
    • 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
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/003—Suspension means
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/0009—Bottles or similar containers with necks or like restricted apertures designed for pouring contents
    • B65D2501/0054—Lines of weakness

Definitions

  • the invention relates to a bottle made of plastic with the features of Preamble of claim 1 and a method for their production.
  • a bottle for medical liquids is from DE-A-30 33 821 known.
  • a neck is formed on a bottle body, on which again a head is molded. The head closes the bottle tightly. With a toggle on the head, the head can be turned off the neck, the separation point provided between the head and neck opens and releases a plug inserted in the neck. The plug can now be of one Syringe to remove the contents of the bottle. This Removal is not sufficient for all applications.
  • GB-A-2 124 992 is a generic plastic bottle with a Bottle body known, with one between two separation points extending neck area, with a head the one separation point and the neck covers the other separation point.
  • the neck tapers to a separation point the bottle and after removing the head is a dropwise delivery of the Container contents possible via this one separation point, with one also Syringe needle inserted at the point of separation for a withdrawal process can be.
  • the whole is Container contents of the bottle body accessible and the bottle can be used at once be emptied quickly.
  • the object of the invention based on the well-known related plastic bottles so on improve that the removal process via the needle of a syringe Infusion sets or the like is relieved that after a passing Removal process the remaining container remains sterile and closed that there is still at least one other removal option.
  • a method for producing the bottle according to the invention is the subject of claim 8.
  • the separation point is intended, the entire stopper including it surrounding part of the neck removed, so that all the liquid to the Bottle bodies can be removed directly, for example by tipping them out can.
  • the bottle according to the invention can also have more than two separation points exhibit.
  • the separation points are advantageously designed as predetermined breaking points with reduced Wall thickness executed. From DE-A-38 23 428 it can be seen that this certain profiles of the bottle wall in the area of the separation points are advantageous to get a clean hole edge by breaking.
  • the invention is not limited to the fact that the separation points act as breaking points are trained.
  • the separation points can also be used with a knife or the like. be opened.
  • the Bottle near the area of each separation point has means for the Separation required force to be able to apply by hand.
  • Such means can for example be a gag or recessed grips. Assigns the bottle to Area of a separation point on such a large inner diameter that the to Separation required force can no longer be applied directly by hand can, the bottle can have means to attach a tool can.
  • Such means could, for example, be a polygon or also one Be gag.
  • An advantageous method of manufacturing the bottle according to the invention is a Blow molding process that extrudes from a single piece Plastic tube shaped the bottle in several process sections and between these process steps, the liquid is filled in and if necessary the plug is inserted.
  • a suction molding process can also be used.
  • a plastic bottle designated as a whole by 1, has a bottle body 2 on which a neck 3 is formed. At this neck 3 is in turn a head 5 molded.
  • the entire bottle 1 is preferably made of two mirror-image identical longitudinal halves, one in the longitudinal direction Define the plane of symmetry of bottle 1.
  • the bottle 1 has a separation point 7 between the head 5 and the neck 3 on.
  • the separation point 7 lies in a separation plane perpendicular to the longitudinal direction bottle 1 and its plane of symmetry.
  • the wall has in this parting plane the bottle 1 has a circular course.
  • a further separation point 9 is provided between the neck 3 and the bottle body 2 .
  • This one too Separation point 9 lies in a separation plane perpendicular to the longitudinal direction of the bottle 1, that is parallel to the parting line of the parting point 7.
  • the wall of the bottle 1 also has a circular course.
  • the diameter of the bottle 1 at the separation point 7 is smaller Inner diameter than at the further separation point 9.
  • the bottle could also have separation points in Have parting planes that are not perpendicular to the longitudinal direction of the bottle.
  • the two separation points 7 and 9 are as predetermined breaking points with reduced Wall thickness executed and formed by the bottom of an annular groove, the one has a wedge-shaped cross-sectional profile.
  • the wall of bottle 1 therefore starts up each separation point from the neck 3 and head 5 or from the bottle body 2 and neck 3 conically tapering towards the respective separation point 7 or 9.
  • a tear along the Separation point causes. This applies to both the separation point 7 and the separation point 9.
  • the head 5 has a first gag 11 and the neck 3 a second gag 13.
  • FIG. 3 shows the bottle 1 with a broken separation point 7.
  • a tool can be slipped, with the help of which the neck 3 relative to the bottle body 2 can be rotated by breaking the separation point 9.
  • the bottle 1 with broken separation point 9 is shown in Fig. 4.
  • Bottle 1 can, however Area of the separation point 9 can also be designed so that the separation point 9 still can be opened by hand without tools, for example in the case of a smaller one Inner diameter at the separation point 9.
  • a plug 15 is inserted into the neck 3 and mechanically seals the neck 3 and at the same time the liquid inside the bottle body 2 is sterile holds.
  • the plug 15 is preferably made of an elastomer and can be pierced by the needle of a syringe or an infusion set.
  • the bottle body 2 At its end facing away from the neck 3, the bottle body 2 has one Floor 17 on. At the bottom 17, a tab 19 is formed on the Bottle 1 can be hung up during infusions. The bottom 17 of the bottle body 2 is designed so that after bending or breaking the tab 19 the bottle 1 is stable on the floor 17.
  • the bottle body 2 can have a series of calibration lines a scale for determining the volume of the liquid in the bottle 1 carry.
  • a scale for determining the volume of the liquid in the bottle 1 carry Preferably two scales are attached, depending on whether the bottle 1 standing on the floor 17 or hanging on the tab 19 in use is.
  • a blow molding or suction molding process is used to manufacture the bottle related.
  • An extruded plastic tube is initially used for the Bottle body 2 with bottom 17 and tab 19 and part of the neck 3 including the further separation point 9 shaped. Then the liquid gets in filled the bottle body 2. Now the plug 15 is inserted into the neck 3. Then the rest of the neck 3 and the head 5 under training the separation point 7 formed and thus the bottle 1 tightly closed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Description

Die Erfindung betrifft eine Flasche aus Kunststoff mit den Merkmalen des Oberbegriffes des Anspruches 1 sowie ein Verfahren zu ihrer Herstellung.The invention relates to a bottle made of plastic with the features of Preamble of claim 1 and a method for their production.

Eine Flasche für medizinische Flüssigkeiten ist aus der DE-A-30 33 821 bekannt. An einen Flaschenkörper ist ein Hals angeformt, an welchen wiederum ein Kopf angeformt ist. Der Kopf verschließt die Flasche dicht. Mittels eines Knebels am Kopf kann der Kopf vom Hals abgedreht werden, wobei sich die zwischen Kopf und Hals vorgesehene Trennstelle öffnet und einen im Hals eingelegten Stopfen freigibt. Der Stopfen kann nun von einer Spritze durchstochen werden, um den Inhalt der Flasche zu entnehmen. Diese Entnahmemöglichkeit ist aber nicht für alle Anwendungen ausreichend. A bottle for medical liquids is from DE-A-30 33 821 known. A neck is formed on a bottle body, on which again a head is molded. The head closes the bottle tightly. With a toggle on the head, the head can be turned off the neck, the separation point provided between the head and neck opens and releases a plug inserted in the neck. The plug can now be of one Syringe to remove the contents of the bottle. This Removal is not sufficient for all applications.

Aus der GB-A-2 124 992 ist eine gattungsgemäße Kunststoff-Flasche mit einem Flaschenkörper bekannt, mit einem sich zwischen zwei Trennstellen erstreckenden Halsbereich, wobei ein Kopf die eine Trennstelle und der Hals die weitere Trennstelle abdeckt. Zur einen Trennstelle zu verjüngt sich der Hals der Flasche und nach Entfernen des Kopfes ist eine tropfenweise Abgabe des Behälterinhaltes über diese eine Trennstelle möglich, wobei ebenso eine Spritzennadel für einen Entnahmevorgang an der Trennstelle eingestochen werden kann. Nach Öffnen der anderen Trennstelle ist der gesamte Behälterinhalt des Flaschenkörpers zugänglich und die Flasche kann auf einmal rasch entleert werden.GB-A-2 124 992 is a generic plastic bottle with a Bottle body known, with one between two separation points extending neck area, with a head the one separation point and the neck covers the other separation point. The neck tapers to a separation point the bottle and after removing the head is a dropwise delivery of the Container contents possible via this one separation point, with one also Syringe needle inserted at the point of separation for a withdrawal process can be. After opening the other separation point, the whole is Container contents of the bottle body accessible and the bottle can be used at once be emptied quickly.

Da die an der einen Trennstelle gebildete Tropferöffnung des bekannten Behälters nur einen geringen Durchmesser hat, um eine tropfenförmige Abgabe zu gewährleisten, muß die Spritzennadel von einer Bedienperson genau positioniert und in die Öffnung eingesteckt werden, was die Handhabung kompliziert macht. Verfehlt die Spritzennadel die Tropferöffnung, sticht sie in das zu der Tropferöffnung benachbarte Kunststoffmaterial, was zu ihrem Verstopfen und Unbrauchbarwerden führen kann. Auch ist nach Abtrennen des Kopfes über die eine Trennstelle das Innere des Flaschenkörpers offen und ein steriler Abschluß des Flaschenkörpers nicht mehr möglich, so daß ein vom Spritzenkörper nicht entnommenes Restvolumen zu entsorgen ist.Since the dropper opening formed at one separation point of the known Container has only a small diameter in order to deliver a drop-shaped To ensure the syringe needle has to be exactly by an operator positioned and inserted into the opening, which is handling complicates. If the syringe needle misses the dropper opening, it sticks the plastic material adjacent to the dropper opening, resulting in their Clogging and becoming unusable. Even after disconnecting the Head over the one separation point the inside of the bottle body open and on sterile closure of the bottle body is no longer possible, so that from Any residual volume not removed must be disposed of.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, die bekannten dahingehenden Kunststoff-Flaschen so weiter zu verbessern, daß der Entnahmevorgang über die Nadel einer Spritze eines Infusionssets od.dgl. erleichtert ist, daß nach einem dahingehenden Entnahmevorgang der verbleibende Behälterrest steril verschlossen bleibt und daß dennoch mindestens eine weitere Entnahmemöglichkeit besteht. Eine dahingehende Aufgabe löst eine Flasche aus Kunststoff mit den Merkmalen des Anspruches 1. Starting from this prior art, the object of the invention based on the well-known related plastic bottles so on improve that the removal process via the needle of a syringe Infusion sets or the like is relieved that after a passing Removal process the remaining container remains sterile and closed that there is still at least one other removal option. A a plastic bottle with the characteristics of Claim 1.

Vorteilhafte Ausgestaltungen sind Gegenstand der Ansprüche 1 bis 7.Advantageous embodiments are the subject of claims 1 to 7.

Ein Verfahren zur Herstellung der erfindungsgemäßen Flasche ist Gegenstand des Anspruches 8.A method for producing the bottle according to the invention is the subject of claim 8.

Dadurch, daß gemäß dem kennzeichnenden Teil des Anspruches 1 zwei Trennstellen vorgesehen sind, stehen mehrere Entnahmemöglichkeiten der vorzugsweise medizinischen Flüssigkeit aus der Flasche zur Verfügung. So ist neben der Entnahme über eine Nadel einer Spritze od.dgl. eine rasche Entnahme der Flüssigkeit aus der Flasche beispielsweise durch Auskippen nach Öffnen der weiteren Trennstelle möglich. Soweit die Flüssigkeit in der Flasche in einer Spritze aufgezogen werden soll, ist die Flasche während und nach dem Aufziehvorgang mechanisch und steril über den Stopfen dicht verschlossen und aufgrund der großen Oberfläche des über die eine Trennstelle freigelegten Stopfens ist eine große Auftreff-Fläche für die Spritze gegeben, was die Handhabung für die Bedienperson erleichtert und ein Danebenstechen in das Kunststoffmaterial ist praktisch ausgeschlossen. Ist ein lösen der weiteren Trennstelle beabsichtigt, wird der gesamte Stopfen mitsamt dem ihn umschließenden Teil des Halses entfernt, so daß die gesamte Flüssigkeit dem Flaschenkörper direkt, beispielsweise durch Auskippen, entnommen werden kann. Die erfindungsgemäße Flasche kann auch mehr als zwei Trennstellen aufweisen.Characterized in that according to the characterizing part of claim 1 two Separation points are provided, there are several removal options preferably medical liquid from the bottle available. So is in addition to removal via a needle of a syringe or the like. a quick one The liquid is removed from the bottle, for example by tipping it out Opening of the other separation point possible. So much for the liquid in the bottle in a syringe, the bottle is during and after Mechanical and sterile pulling tightly sealed over the stopper and due to the large surface of the exposed one separation point There is a large contact area for the syringe, which is what the Handling easier for the operator and a side stab in the Plastic material is practically excluded. Is a solution to the others If the separation point is intended, the entire stopper including it surrounding part of the neck removed, so that all the liquid to the Bottle bodies can be removed directly, for example by tipping them out can. The bottle according to the invention can also have more than two separation points exhibit.

Vorteilhafterweise sind die Trennstellen als Soll-Bruchstellen mit verminderter Wandstärke ausgeführt. Aus der DE-A-38 23 428 ist zu entnehmen, daß hierbei bestimmte Verläufe der Flaschenwand im Bereich der Trennstellen von Vorteil sind, um durch Brechen einen sauberen Lochrand zu erhalten. Die Erfindung ist nicht darauf beschränkt, daß die Trennstellen als Soll-Bruchstellen ausgebildet sind. Die Trennstellen können auch mit einem Messer od.dgl. geöffnet werden.The separation points are advantageously designed as predetermined breaking points with reduced Wall thickness executed. From DE-A-38 23 428 it can be seen that this certain profiles of the bottle wall in the area of the separation points are advantageous to get a clean hole edge by breaking. The invention is not limited to the fact that the separation points act as breaking points are trained. The separation points can also be used with a knife or the like. be opened.

Soll die Flasche von Hand geöffnet werden, so ist es von Vorteil, wenn die Flasche nahe dem Bereich jeder Trennstelle Mittel aufweist, um die für die Trennung erforderliche Kraft von Hand aufbringen zu können. Solche Mittel können beispielsweise ein Knebel oder Griffmulden sein. Weist die Flasche im Bereich einer Trennstelle einen so großen Innendurchmesser auf, daß die zum Trennen erforderliche Kraft nicht mehr direkt mit Hand aufgebracht werden kann, kann die Flasche Mittel aufweisen, um ein Werkzeug ansetzen zu können. Solche Mittel könnten beispielsweise ein Mehrkant oder ebenfalls ein Knebel sein.If the bottle is to be opened by hand, it is advantageous if the Bottle near the area of each separation point has means for the Separation required force to be able to apply by hand. Such means can for example be a gag or recessed grips. Assigns the bottle to Area of a separation point on such a large inner diameter that the to Separation required force can no longer be applied directly by hand can, the bottle can have means to attach a tool can. Such means could, for example, be a polygon or also one Be gag.

Ein vorteilhaftes Herstellungsverfahren der erfindungsgemäßen Flasche ist ein Blasformverfahren, mit dem aus einem einzigen Stück eines extrudierten Kunststoffschlauches die Flasche in mehreren Verfahrensabschnitten geformt und zwischen diesen Verfahrensschritten die Flüssigkeit eingefüllt und gegebenenfalls der Stopfen eingelegt wird. Anstelle eines Blasformverfahrens kann auch ein Saugformverfahren angewandt werden.An advantageous method of manufacturing the bottle according to the invention is a Blow molding process that extrudes from a single piece Plastic tube shaped the bottle in several process sections and between these process steps, the liquid is filled in and if necessary the plug is inserted. Instead of a blow molding process a suction molding process can also be used.

Im folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.In the following the invention with reference to one shown in the drawing Embodiment explained in more detail.

Es zeigen:

Fig. 1
einen Schnitt durch das Ausführungsbeispiel nach der Linie I-I in Fig. 2,
Fig. 2
eine Seitenansicht des Ausführungsbeispieles,
Fig. 3
einen Schnitt durch das Ausführungsbeispiel entsprechend Fig. 1 mit abgetrenntem Kopf,
Fig. 4
einen Schnitt durch das Ausführungsbeispiel entsprechend Fig. 1 mit abgetrenntem Hals.
Show it:
Fig. 1
3 shows a section through the exemplary embodiment along line II in FIG. 2,
Fig. 2
a side view of the embodiment,
Fig. 3
2 shows a section through the exemplary embodiment corresponding to FIG. 1 with the head removed,
Fig. 4
a section through the embodiment of FIG. 1 with the neck separated.

Eine als ganzes mit 1 bezeichnete Flasche aus Kunststoff weist einen Flaschenkörper 2 auf, an den ein Hals 3 angeformt ist. An diesen Hals 3 wiederum ist ein Kopf 5 angeformt. Durch die Anordnung des Halses 3 am Flaschenkörper 2 ist die Längsrichtung der Flasche 1 definiert. Die ganze Flasche 1 besteht vorzugsweise aus zwei spiegelbildlich gleichen Längshälften, die eine in Längsrichtung der Flasche 1 verlaufende Symmetrieebene definieren.A plastic bottle, designated as a whole by 1, has a bottle body 2 on which a neck 3 is formed. At this neck 3 is in turn a head 5 molded. By arranging the neck 3 on the bottle body 2 the longitudinal direction of the bottle 1 is defined. The entire bottle 1 is preferably made of two mirror-image identical longitudinal halves, one in the longitudinal direction Define the plane of symmetry of bottle 1.

Zwischen dem Kopf 5 und dem Hals 3 weist die Flasche 1 eine Trennstelle 7 auf. Die Trennstelle 7 liegt in einer Trennebene senkrecht zur Längsrichtung der Flasche 1 und deren Symmetrieebene. In dieser Trennebene hat die Wand der Flasche 1 einen kreisförmigen Verlauf. Zwischen dem Hals 3 und dem Flaschenkörper 2 ist eine weitere Trennstelle 9 vorgesehen. Auch diese weitere Trennstelle 9 liegt in einer Trennebene senkrecht zur Längsrichtung der Flasche 1, also parallel zur Trennebene der Trennstelle 7. In dieser weiteren Trennebene hat die Wand der Flasche 1 ebenfalls einen kreisförmigen Verlauf. Hinsichtlich der Durchmesser weist die Flasche 1 an der Trennstelle 7 einen geringeren Innendurchmesser auf als an der weiteren Trennstelle 9. Die erfindungsgemäße Flasche könnte auch in Abweichung vom Ausführungsbeispiel Trennstellen in Trennebenen aufweisen, die nicht senkrecht zur Längsrichtung der Flasche verlaufen.The bottle 1 has a separation point 7 between the head 5 and the neck 3 on. The separation point 7 lies in a separation plane perpendicular to the longitudinal direction bottle 1 and its plane of symmetry. The wall has in this parting plane the bottle 1 has a circular course. Between the neck 3 and the bottle body 2 a further separation point 9 is provided. This one too Separation point 9 lies in a separation plane perpendicular to the longitudinal direction of the bottle 1, that is parallel to the parting line of the parting point 7. In this further parting plane the wall of the bottle 1 also has a circular course. Regarding the diameter of the bottle 1 at the separation point 7 is smaller Inner diameter than at the further separation point 9. The invention In deviation from the exemplary embodiment, the bottle could also have separation points in Have parting planes that are not perpendicular to the longitudinal direction of the bottle.

Die beiden Trennstellen 7 und 9 sind als Sollbruchstellen mit verminderter Wandstärke ausgeführt und durch den Grund je einer Ringnut gebildet, die ein keilförmiges Querschnittsprofil hat. Die Wand der Flasche 1 läuft daher an jeder Trennstelle vom Hals 3 und Kopf 5 bzw. vom Flaschenkörper 2 und Hals 3 her konisch verjüngend auf die jeweilige Trennstelle 7 bzw. 9 zu. Durch Drehung der zu trennenden Teile relativ zueinander um eine Achse senkrecht zu den jeweiligen Trennebenen und/oder ein Kippen wird ein Abriß längs der Trennstelle bewirkt. Dies gilt sowohl für die Trennstelle 7 als auch die Trennstelle 9. Zum Brechen der Trennstelle 7 weist der Kopf 5 einen ersten Knebel 11 und der Hals 3 einen zweiten Knebel 13 auf. Das Brechen der Trennstelle 7 erfolgt dann durch manuelles Verdrehen und/oder Kippen der beiden Knebel 11 und 13 zueinander. Fig. 3 zeigt die Flasche 1 mit gebrochener Trennstelle 7. Zum Öffnen der Flasche 1 an der Trennstelle 9 ist über den zweiten Knebel 13 ein Werkzeug stülpbar, mit dessen Hilfe der Hals 3 gegenüber dem Flaschenkörper 2 verdrehbar ist unter Brechen der Trennstelle 9. Die Flasche 1 mit gebrochener Trennstelle 9 ist in Fig. 4 dargestellt. Die Flasche 1 kann aber im Bereich der Trennstelle 9 auch so ausgebildet sein, daß die Trennstelle 9 noch von Hand ohne Werkzeug zu öffnen ist, beispielsweise im Falle eines geringeren Innendurchmessers an der Trennstelle 9.The two separation points 7 and 9 are as predetermined breaking points with reduced Wall thickness executed and formed by the bottom of an annular groove, the one has a wedge-shaped cross-sectional profile. The wall of bottle 1 therefore starts up each separation point from the neck 3 and head 5 or from the bottle body 2 and neck 3 conically tapering towards the respective separation point 7 or 9. By Rotation of the parts to be separated relative to each other about an axis perpendicular to the respective parting planes and / or tilting is a tear along the Separation point causes. This applies to both the separation point 7 and the separation point 9. To break the separation point 7, the head 5 has a first gag 11 and the neck 3 a second gag 13. Breaking the separation point 7 is then carried out by manually turning and / or tilting the two knobs 11 and 13 to each other. Fig. 3 shows the bottle 1 with a broken separation point 7. To open the bottle 1 at the separation point 9 is over the second knob 13 a tool can be slipped, with the help of which the neck 3 relative to the bottle body 2 can be rotated by breaking the separation point 9. The bottle 1 with broken separation point 9 is shown in Fig. 4. Bottle 1 can, however Area of the separation point 9 can also be designed so that the separation point 9 still can be opened by hand without tools, for example in the case of a smaller one Inner diameter at the separation point 9.

In den Hals 3 ist ein Stopfen 15 eingelegt, der den Hals 3 mechanisch abdichtet und zugleich die Flüssigkeit im Inneren des Flaschenkörpers 2 steril hält. Der Stopfen 15 ist vorzugsweise aus einem Elastomer gefertigt und kann von der Nadel einer Spritze oder einem Infusionsset durchstochen werden.A plug 15 is inserted into the neck 3 and mechanically seals the neck 3 and at the same time the liquid inside the bottle body 2 is sterile holds. The plug 15 is preferably made of an elastomer and can be pierced by the needle of a syringe or an infusion set.

An seinem vom Hals 3 abgewandten Ende weist der Flaschenkörper 2 einen Boden 17 auf. An den Boden 17 ist eine Lasche 19 angeformt, an der die Flasche 1 bei Infusionen aufgehängt werden kann. Der Boden 17 des Flaschenkörpers 2 ist so ausgebildet, daß nach Umknicken oder Abbrechen der Lasche 19 die Flasche 1 stabil auf den Boden 17 stellbar ist.At its end facing away from the neck 3, the bottle body 2 has one Floor 17 on. At the bottom 17, a tab 19 is formed on the Bottle 1 can be hung up during infusions. The bottom 17 of the bottle body 2 is designed so that after bending or breaking the tab 19 the bottle 1 is stable on the floor 17.

Auf der Außenseite kann der Flaschenkörper 2 eine Reihe von Eichstrichen mit einer Skala zur Bestimmung des Volumens der Flüssigkeit in der Flasche 1 tragen. Vorzugsweise sind zwei Skalen angebracht, je nach dem, ob die Flasche 1 auf dem Boden 17 stehend oder an der Lasche 19 hängend in Gebrauch ist.On the outside, the bottle body 2 can have a series of calibration lines a scale for determining the volume of the liquid in the bottle 1 carry. Preferably two scales are attached, depending on whether the bottle 1 standing on the floor 17 or hanging on the tab 19 in use is.

Zur Herstellung der Flasche wird ein Blasformverfahren oder Saugformverfahren verwandt. Dabei wird aus einem extrudierten Kunststoffschlauch zunächst der Flaschenkörper 2 mit Boden 17 und Lasche 19 sowie einem Teil des Halses 3 einschließlich der weiteren Trennstelle 9 geformt. Dann wird die Flüssigkeit in den Flaschenkörper 2 eingefüllt. Nun wird der Stopfen 15 in den Hals 3 eingelegt. Anschließend wird der Rest des Halses 3 und der Kopf 5 unter Ausbildung der Trennstelle 7 angeformt und damit die Flasche 1 dicht verschlossen.A blow molding or suction molding process is used to manufacture the bottle related. An extruded plastic tube is initially used for the Bottle body 2 with bottom 17 and tab 19 and part of the neck 3 including the further separation point 9 shaped. Then the liquid gets in filled the bottle body 2. Now the plug 15 is inserted into the neck 3. Then the rest of the neck 3 and the head 5 under training the separation point 7 formed and thus the bottle 1 tightly closed.

Claims (7)

  1. Plastic bottle with a bottle body (2), a neck (3) integrally formed on the bottle body (2) and a head (5) integrally formed on the neck (3), which between the head (5) and the neck (3) comprises a separation point (7) and a further separation point (9) between the neck (3) and bottle body (2), characterised in that provided in the neck (3) is a stopper (15) sealing the neck (3), which stopper extends between the separation points (7, 9) so that on opening one separation point (7) or the other separation point (9) optionally the stopper (15) may be penetrated by a needle for a process for removing liquid from the bottle body (2) or the entire stopper (15) together with the part of the neck (3) surrounding it can be removed for a direct removal of the liquid from the bottle body (2).
  2. Bottle according to Claim 1, characterised in that at the separation points (7, 9), it has at least two different inner diameters.
  3. Bottle according to Claim 1 or 2, characterised in that the separation points (7, 9) are constructed as predetermined breaking points with a reduced wall thickness.
  4. Bottle according to Claim 3, characterised in that at least in the region of one separation point (7) it comprises means (11, 13) for breaking this separation point (7) manually.
  5. Bottle according to Claim 3 or 4, characterised in that in the region of one separation point (9) it comprises means (13) for applying a tool for breaking the separation point (9) with this tool.
  6. Bottle according to one of Claims 1 to 5, characterised in that the further separation point (9) is provided between the part of the neck (3) surrounding the stopper (15) and the bottle body (2).
  7. Blow moulding or suction moulding process for the production of a bottle according to one of Claims 1 to 6, characterised in that a further separation point is formed on the neck and/or between the neck and bottle body.
EP95119436A 1995-03-09 1995-12-09 Plastic bottle and process for the production thereof Expired - Lifetime EP0730858B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19508326 1995-03-09
DE19508326 1995-03-09

Publications (3)

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EP0730858A2 EP0730858A2 (en) 1996-09-11
EP0730858A3 EP0730858A3 (en) 1997-01-02
EP0730858B1 true EP0730858B1 (en) 1999-03-10

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EP95119436A Expired - Lifetime EP0730858B1 (en) 1995-03-09 1995-12-09 Plastic bottle and process for the production thereof

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US (1) US5878900A (en)
EP (1) EP0730858B1 (en)
JP (1) JP4060384B2 (en)
AU (1) AU692052B2 (en)
CA (1) CA2168060C (en)
DE (2) DE59505300D1 (en)
DK (1) DK0730858T3 (en)
ES (1) ES2129741T3 (en)
FI (1) FI120533B (en)
IN (1) IN185347B (en)
NO (1) NO318177B1 (en)

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Also Published As

Publication number Publication date
CA2168060C (en) 2005-04-26
JPH08253241A (en) 1996-10-01
NO318177B1 (en) 2005-02-14
DK0730858T3 (en) 1999-09-27
DE29601213U1 (en) 1996-03-21
FI961046A (en) 1996-09-10
AU4586196A (en) 1996-09-19
ES2129741T3 (en) 1999-06-16
NO960971L (en) 1996-09-10
JP4060384B2 (en) 2008-03-12
NO960971D0 (en) 1996-03-08
EP0730858A2 (en) 1996-09-11
AU692052B2 (en) 1998-05-28
US5878900A (en) 1999-03-09
CA2168060A1 (en) 1996-09-10
DE59505300D1 (en) 1999-04-15
FI961046A0 (en) 1996-03-06
EP0730858A3 (en) 1997-01-02
FI120533B (en) 2009-11-30
IN185347B (en) 2000-12-30

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