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EP0590293A1 - Cap for receptacles, esp. for dispenser bottles - Google Patents

Cap for receptacles, esp. for dispenser bottles Download PDF

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Publication number
EP0590293A1
EP0590293A1 EP93113308A EP93113308A EP0590293A1 EP 0590293 A1 EP0590293 A1 EP 0590293A1 EP 93113308 A EP93113308 A EP 93113308A EP 93113308 A EP93113308 A EP 93113308A EP 0590293 A1 EP0590293 A1 EP 0590293A1
Authority
EP
European Patent Office
Prior art keywords
dropper
section
neck
cap
cap according
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.)
Granted
Application number
EP93113308A
Other languages
German (de)
French (fr)
Other versions
EP0590293B1 (en
Inventor
Bernd Dipl.-Ing. Hansen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0590293A1 publication Critical patent/EP0590293A1/en
Application granted granted Critical
Publication of EP0590293B1 publication Critical patent/EP0590293B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/221—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening
    • B65D51/226—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening the piercing or cutting means being non integral with, or not fixedly attached to, the outer 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/122—Threaded caps
    • B65D47/123—Threaded caps with internal parts
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/18—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages for discharging drops; Droppers
    • 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
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/221—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening
    • B65D51/222—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being left inside the container after the opening the piercing or cutting means being integral with, or fixedly attached to, the outer 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
    • B65D2251/0006—Upper closure
    • B65D2251/0015—Upper closure of the 41-type
    • 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
    • B65D2251/0037—Intermediate closure(s)
    • B65D2251/0056—Intermediate closure(s) of the 47-type
    • 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
    • B65D2251/0093—Membrane
    • B65D2251/0096—Membrane integral with the container

Definitions

  • the invention relates to a cap for containers, in particular in the blow molding process made of plastic and filled and closed in the mold and closed bottles, with a neck on which the cap can be placed.
  • the thread pierced with the mandrel can occur Opening runs obliquely with respect to the longitudinal axis, or that after removal of a partial quantity and subsequent screwing on of the cap, a second opening is pierced, with the result that the liquid may escape at several points in a direction deviating from the longitudinal axis, which is annoying , it depends on the pressure exerted on the liquid whether the liquid is released in more or less large drops or in the form of a jet.
  • the size of the opening can change in the course of time if, after a portion of the bottle content has been removed, the neck is closed again with the cap and the mandrel is then reinserted into the opening. It is therefore difficult to dose the correct amount correctly.
  • the invention is therefore based on the object of enabling problem-free removal of the liquid content from bottles either in the form of individual drops of a defined size or in the form of a jet. This object is achieved by a cap having the features of claim 1.
  • the portion of the cap according to the invention designed as a dropper the dispensing of the liquid content of the bottle is not carried out by means of an opening formed by the bottle neck, but by means of the dropper of the cap.
  • This dropper can easily be designed such that it either forms drops of a reproducible size regardless of the prevailing pressure and then reliably precludes delivery in the form of a jet, or effects delivery in the form of a jet.
  • the cap according to the invention is used for bottles, for example ampoules, which have a closure part to be initially provided with a passage opening, an end face is provided at the transition of the cap from the section receiving the neck to the section designed as a dropper, against which a Bottle protruding mandrel is formed, in which the passage channel of the dropper begins.
  • the closure part can then be pierced by means of the mandrel as in the known caps with mandrel. Since the dropper is metered, it is irrelevant in this case whether the opening in the closure part is formed exactly centrally and coaxially and whether its size deviates from the setpoint.
  • the passage of the dropper has at least two end sections opening into the lateral surface of the mandrel. Which come to rest within the bottle neck when the cap is completely placed on the neck.
  • a very good reproducibility of the droplet size and a reliable prevention of a jet-like delivery of the bottle contents can be achieved with a passage channel of the dropper which, following a cylindrical section, has a section which widens conically in the outflow direction. These sections are preferably calibrated during manufacture by means of a calibration mandrel.
  • the cap it is also possible to design the cap so that it can be arranged on the neck with the formation of a sliding seat. As a rule, however, the portion of the cap receiving the neck will be provided with an internal thread which is designed to correspond to an external thread of the neck.
  • a closure part is provided so that it can be removed from the section designed as a dropper, so that the passage channel of the dropper is protected.
  • This closure part is preferably designed as a cup-shaped hood with an internal thread which corresponds to an external thread of the section designed as a dropper.
  • a spigot can be formed centrally on the inner surface of the bottom of this hood, which can be inserted in a sealing manner into the passage channel of the dropper.
  • the invention is based on one in the drawing illustrated embodiment explained in detail.
  • the only embodiment shows, on an enlarged scale and partially in longitudinal section, the embodiment in the state placed on the neck of a bottle before the closure part of the neck is pierced.
  • a cap made of plastic, designated as a whole by 1 has, as the figure shows, a first, hollow cylindrical section 2 which serves to accommodate the neck 3 of a bottle which, in the exemplary embodiment, was made of plastic in the blow molding process and was filled and closed in the blow mold is, the plate-shaped closure part 4 closing the neck 3 being formed in one piece with the neck 3.
  • the neck 3 of the bottle which can be an ampoule, is provided with an external thread 5. Between the bottle body 3 'and the end of the external thread 5 closer to it, the neck 3 has a cylindrical section 6, the external diameter of which is selected to be the same as that of the external thread 5. At the end of the cylindrical section 6 facing the bottle body 3 'there is an annular bead 7 projecting slightly beyond this section. The diameter of this annular bead 7 is slightly larger than the inner diameter of the zone forming the free end of section 2.
  • the section 2 is provided with an internal thread which corresponds to the external thread 5 of the neck 3, but does not extend into the zone forming the free end section.
  • the section 2 is adjoined on the side facing away from the bottle body 3 ', coaxially and in one piece, by a section designed as a dropper 8, which is provided with an external thread 9 and whose free end is rounded off in a hemispherical manner.
  • a conical mandrel 10 is formed in the center of the inner end face 8 'of the dropper 8 which is present at the transition from the section 2 to the dropper 8 and whose tip points into the interior of the section 2.
  • the design of the passage channel and in particular its two sections 12 and 13 can also be chosen differently, since it depends on the properties of the liquid, for example its viscosity and surface tension, as well as on the drop size and whether it is delivered in drop form or in the form of a Beam is desired.
  • a cup-shaped protective hood 14 is provided which, like the cap 1, is made of plastic.
  • the protective hood 14 is provided with an internal thread corresponding to the external thread of the dropper 8 and extends almost up to the outer shoulder of the cap 1 formed at the transition from section 2 to the dropper 8.
  • the protective hood 14 is in the center of the bottom the inside of which a pin 15 is integrally formed, which engages in the conical section 13 and closes it tightly when the protective hood 14 is screwed completely onto the dropper 8.
  • the cap 1 is screwed onto the neck 3 so far that the free end of the section 2 extends as far as the annular bead 7 of the neck 3, as the figure shows. This position can be easily recognized by the fact that when the cap 1 is screwed even further onto the neck 3, the section 2 comes into contact with the annular bead 7 and thus an increased torque is applied must become.
  • the cap 1 is screwed onto the neck 3 up to the annular bead 7, the mandrel 10 is in contact or almost in contact with the closure part 4.
  • the cap 1 is completely on the neck 3 screwed on.
  • the protective hood 14 needs to be unscrewed in order to remove the contents of the bottle in the form of individual drops of a defined, reproducible size or, if the through-channel for dispensing liquid in Shape of a beam of a defined size is formed, can be removed in the form of a beam.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

In a cap (1) for receptacles, especially for bottles produced by blow moulding from plastic material and filled and closed in the mould, having a neck (3) onto which the cap (1) can be fitted, the cap (1) has, adjoining the section (2) receiving the neck (3), a section which is constructed integrally with said former section and is constructed as a dispenser (8). <IMAGE>

Description

Die Erfindung betrifft eine Kappe für Behältnisse, insbesondere im Blasverfahren aus Kunststoff hergestellte und in der Form gefüllte sowie verschlossene Flaschen, mit einem Hals, auf den die Kappe aufsetzbar ist.The invention relates to a cap for containers, in particular in the blow molding process made of plastic and filled and closed in the mold and closed bottles, with a neck on which the cap can be placed.

Für Flaschen aus Kunststoff, deren mit einem Außengewinde versehener Hals an seinem freien Ende durch ein einstückig mit dem Hals ausgebildetes Verschlußteil verschlossen ist, ist es bekannt, eine auf den Hals aufgeschraubte Kappe innen mit einem zentral angeordneten Dorn zu versehen, mit dem das Verschlußteil durchstoßen werden kann. Wird nach dem Durchstoßen des Verschlußteils die Kappe abgenommen, dann kann durch die im Verschlußteil gebildete Öffnung die sich in der Flasche befindende Flüssigkeit abgegeben werden. Abgesehen davon, daß es bei einem nicht optimal ausgeformten Gewinde des Flaschenhalses und/oder der Kappe oder auch einem nicht optimal ausgeformten Dorn dazu kommen kann, daß die mit dem Dorn eingestochene Öffnung schräg bezüglich der Längsachse verläuft, oder daß nach einer Entnahme einer Teilmenge und einem anschließenden Aufschrauben der Kappe eine zweite Öffnung eingestochen wird, was zur Folge hat, daß die Flüssigkeit in einer von der Längsachse abweichenden Richtung gegebenenfalls an mehreren Stellen austritt, was störend ist, hängt es von dem auf die Flüssigkeit ausgeübten Druck ab, ob die Flüssigkeit in mehr oder weniger großen Tropfen oder in Form eines Strahles abgegeben wird. Ferner kann sich die Größe der Öffnung im Laufe der Zeit verändern, wenn nach Entnahme einer Teilmenge des Flascheninhaltes der Hals mit der Kappe wieder verschlossen und dabei der Dorn wieder in die Öffnung eingeführt wird. Es ist deshalb schwierig, die zu entnehmende Menge richtig zu dosieren.For plastic bottles, the neck of which is provided with an external thread and is closed at its free end by a closure part formed in one piece with the neck, it is known to provide a cap screwed onto the neck with a centrally arranged mandrel with which the closure part penetrates can be. If the cap is removed after the cap has been pierced, the liquid in the bottle can be dispensed through the opening formed in the cap. Apart from the fact that if the thread of the bottle neck and / or the cap is not optimally shaped, or even if the mandrel is not optimally shaped, the thread pierced with the mandrel can occur Opening runs obliquely with respect to the longitudinal axis, or that after removal of a partial quantity and subsequent screwing on of the cap, a second opening is pierced, with the result that the liquid may escape at several points in a direction deviating from the longitudinal axis, which is annoying , it depends on the pressure exerted on the liquid whether the liquid is released in more or less large drops or in the form of a jet. Furthermore, the size of the opening can change in the course of time if, after a portion of the bottle content has been removed, the neck is closed again with the cap and the mandrel is then reinserted into the opening. It is therefore difficult to dose the correct amount correctly.

Der Erfindung liegt deshalb die Aufgabe zugrunde, eine problemlose Entnahme des flüssigen Inhalts von Flaschen entweder in Form von einzelnen Tropfen definierter Größe oder in Form eines Strahles zu ermöglichen. Diese Aufgabe löst eine Kappe mit den Merkmalen des Anspruches 1.The invention is therefore based on the object of enabling problem-free removal of the liquid content from bottles either in the form of individual drops of a defined size or in the form of a jet. This object is achieved by a cap having the features of claim 1.

Dank des als Tropfer ausgebildeten Abschnittes der erfindungsgemäßen Kappe erfolgt die Dosierung bei der Abgabe des flüssigen Inhalts der Flasche nicht mittels einer vom Flaschenhals gebildeten Öffnung, sondern mittels des Tropfers der Kappe. Dieser Tropfer kann problemlos so ausgebildet werden, daß er unabhängig von dem herrschenden Druck entweder Tropfen reproduzierbarer Größe bildet und dann zuverlässig die Abgabe in Form eines Strahles ausschließt, oder eine Abgabe in Form eines Strahles bewirkt.Thanks to the portion of the cap according to the invention designed as a dropper, the dispensing of the liquid content of the bottle is not carried out by means of an opening formed by the bottle neck, but by means of the dropper of the cap. This dropper can easily be designed such that it either forms drops of a reproducible size regardless of the prevailing pressure and then reliably precludes delivery in the form of a jet, or effects delivery in the form of a jet.

Sofern die erfindungsgemäße Kappe für Flaschen, beispielsweise Ampullen, verwendet wird, welche ein zunächst mit einer Durchlaßöffnung zu versehendes Verschlußteil haben, ist am Übergang der Kappe von dem den Hals aufnehmenden Abschnitt zu dem als Tropfer ausgebildeten Abschnitt eine Stirnfläche vorgesehen, an die ein gegen die Flasche hin vorspringender Dorn angeformt ist, in dem der Durchlaßkanal des Tropfers beginnt. Das Verschlußteil kann dann wie bei den bekannten Kappen mit Dorn mittels des Dorns durchstoßen werden. Da die Dosierung der Tropfer ausführt, ist es in diesem Falle ohne Bedeutung, ob die Öffnung im Verschlußteil genau zentrisch und koaxial gebildet wird und ob ihre Größe vom Sollwert abweicht.If the cap according to the invention is used for bottles, for example ampoules, which have a closure part to be initially provided with a passage opening, an end face is provided at the transition of the cap from the section receiving the neck to the section designed as a dropper, against which a Bottle protruding mandrel is formed, in which the passage channel of the dropper begins. The closure part can then be pierced by means of the mandrel as in the known caps with mandrel. Since the dropper is metered, it is irrelevant in this case whether the opening in the closure part is formed exactly centrally and coaxially and whether its size deviates from the setpoint.

Damit der Dorn eine scharfe Spitze haben kann, weist bei einer bevorzugten Ausführungsform der Durchlaßkanal des Tropfers wenigstens zwei in der Mantelfläche des Dornes mündende Endabschnitte auf. Die innerhalb des Flaschenhalses zu liegen kommen, wenn die Kappe vollständig auf den Hals aufgesetzt ist.So that the mandrel can have a sharp tip, in a preferred embodiment the passage of the dropper has at least two end sections opening into the lateral surface of the mandrel. Which come to rest within the bottle neck when the cap is completely placed on the neck.

Eine sehr gute Reproduzierbarkeit der Tropfengröße und eine zuverlässige Verhinderung einer strahlförmigen Abgabe des Flascheninhaltes erreicht man mit einem Durchlaßkanal des Tropfers, der im Anschluß an einen zylindrischen Abschnitt einen sich in der Ausfließrichtung konisch erweiterten Abschnitt aufweist. Vorzugsweise werden diese Abschnitte bei der Herstellung mittels eines Kalibrierdornes kalibriert.A very good reproducibility of the droplet size and a reliable prevention of a jet-like delivery of the bottle contents can be achieved with a passage channel of the dropper which, following a cylindrical section, has a section which widens conically in the outflow direction. These sections are preferably calibrated during manufacture by means of a calibration mandrel.

Es ist zwar auch möglich, die Kappe so ausbilden, daß sie unter Bildung eines Schiebesitzes auf dem Hals angeordnet werden kann. In der Regel wird man jedoch den den Hals aufnehmenden Abschnitt der Kappe mit einem Innengewinde versehen, das korrespondierend zu einem Außengewinde des Halses ausgebildet ist.It is also possible to design the cap so that it can be arranged on the neck with the formation of a sliding seat. As a rule, however, the portion of the cap receiving the neck will be provided with an internal thread which is designed to correspond to an external thread of the neck.

Bei einer bevorzugten Ausführungsform ist ein auf den als Tropfer ausgebildeten Abschnitt abnehmbar aufgesetztes Verschlußteil vorgesehen, damit der Durchlaßkanal des Tropfers geschützt ist. Vorzugsweise ist dieses Verschlußteil als eine topfförmige Haube mit einem Innengewinde ausgebildet, das mit einem Außengewinde des als Tropfer ausgebildeten Abschnittes korrespondiert. An die Innenfläche des Bodens dieser Haube kann zentrisch ein Zapfen angeformt sein, der dichtend in den Durchlaßkanal des Tropfers einführbar ist.In a preferred embodiment, a closure part is provided so that it can be removed from the section designed as a dropper, so that the passage channel of the dropper is protected. This closure part is preferably designed as a cup-shaped hood with an internal thread which corresponds to an external thread of the section designed as a dropper. A spigot can be formed centrally on the inner surface of the bottom of this hood, which can be inserted in a sealing manner into the passage channel of the dropper.

Im folgenden ist die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels im einzelnen erläutert.The invention is based on one in the drawing illustrated embodiment explained in detail.

Die einzige Ausführungsform zeigt im vergrößerten Maßstab und teilweise im Längsschnitt das Ausführungsbeispiel in dem auf den Hals einer Flasche aufgesetzten Zustand vor dem Durchstoßen des Verschlußteiles des Halses.The only embodiment shows, on an enlarged scale and partially in longitudinal section, the embodiment in the state placed on the neck of a bottle before the closure part of the neck is pierced.

Eine als Ganzes mit 1 bezeichnete Kappe aus Kunststoff weist, wie die Figur zeigt, einen ersten, hohlzylindrischen Abschnitt 2 auf, welcher der Aufnahme des Halses 3 einer Flasche dient, die im Ausführungsbeispiel aus Kunststoff im Blasformverfahren hergestellt und in der Blasform gefüllt sowie verschlossen worden ist, wobei das den Hals 3 verschließende, plattenförmige Verschlußteil 4 einstückig mit dem Hals 3 ausgebildet ist. Der Hals 3 der Flasche, bei der es sich um eine Ampulle handeln kann, ist mit einem Außengewinde 5 versehen. Zwischen dem Flaschenkörper 3' und dem diesem näherliegenden Ende des Außengewindes 5 weist der Hals 3 einen zylindrischen Abschnitt 6 auf, dessen Außendurchmesser gleich demjenigen des Außengewindes 5 gewählt ist. An das dem Flaschenkörper 3' zugewandte Ende des zylindrischen Abschnittes 6 schließt sich ein geringfügig über diesen Abschnitt radial nach außen überstehender Ringwulst 7 an. Der Durchmesser dieses Ringwulstes 7 ist geringfügig größer als der Innendurchmesser der das freie Ende des Abschnittes 2 bildenden Zone.A cap made of plastic, designated as a whole by 1, has, as the figure shows, a first, hollow cylindrical section 2 which serves to accommodate the neck 3 of a bottle which, in the exemplary embodiment, was made of plastic in the blow molding process and was filled and closed in the blow mold is, the plate-shaped closure part 4 closing the neck 3 being formed in one piece with the neck 3. The neck 3 of the bottle, which can be an ampoule, is provided with an external thread 5. Between the bottle body 3 'and the end of the external thread 5 closer to it, the neck 3 has a cylindrical section 6, the external diameter of which is selected to be the same as that of the external thread 5. At the end of the cylindrical section 6 facing the bottle body 3 'there is an annular bead 7 projecting slightly beyond this section. The diameter of this annular bead 7 is slightly larger than the inner diameter of the zone forming the free end of section 2.

Der Abschnitt 2 ist mit einem Innengewinde versehen, das mit dem Außengewinde 5 des Halses 3 korrespondiert, sich aber nicht in die den freien Endabschnitt bildende Zone hinein erstreckt. An den Abschnitt 2 schließt sich auf der dem Flaschenkörper 3' abgewandten Seite gleichachsig und einstückig ein als Tropfer 8 ausgebildeter Abschnitt an, der mit einem Außengewinde 9 versehen ist und dessen freies Ende halbkugelförmig abgerundet ist. An die am Übergang vom Abschnitt 2 zum Tropfer 8 vorhandene, innenliegende Stirnfläche 8' des Tropfers 8 ist in deren Zentrum ein kegelförmger Dorn 10 angeformt, dessen Spitze in das Innere des Abschnittes 2 weist. In der Mantelfläche dieses Dornes 10 münden Endabschnitte 11 des im übrigen gleichachsig zum Dorn 10 den Tropfer 8 durchdringenden Durchlaßkanales, der im Anschluß an die Endabschnitte 11 einen zylindrischen Mittelabschnitt 12 und im Anschluß an diesen einen sich zum halbkugelförmigen Ende des Tropfers 8 erweiternden, konischen Abschnitt 13 aufweist. Sowohl der Mittelabschnitt 12 als auch der konische Abschnitt 13 werden bei der Herstellung mittels eines Kalibrierdornes kalibriert. Wie die Figur zeigt, ist der Durchmesser des Mittelabschnittes 12 wesentlich kleiner als seine axiale Länge, was auch für den konischen Abschnitt 13 gilt, der einen relativ kleinen Konuswinkel hat. Im Ausführungsbeispiel beträgt er etwa 8°. Die Ausgestaltung des Durchlaßkanales und insbesondere seiner beider Abschnitte 12 und 13 kann auch anders gewählt werden müssen, da sie von den Eigenschaften der Flüssigkeit, beispielsweise deren Viskosität und Oberflächenspannung, sowie von der Tropfengröße und davon abhängt, ob eine Abgabe in Tropfenform oder in Form eines Strahles gewünscht wird.The section 2 is provided with an internal thread which corresponds to the external thread 5 of the neck 3, but does not extend into the zone forming the free end section. The section 2 is adjoined on the side facing away from the bottle body 3 ', coaxially and in one piece, by a section designed as a dropper 8, which is provided with an external thread 9 and whose free end is rounded off in a hemispherical manner. A conical mandrel 10 is formed in the center of the inner end face 8 'of the dropper 8 which is present at the transition from the section 2 to the dropper 8 and whose tip points into the interior of the section 2. In the outer surface of this Mandrel 10 open end portions 11 of the passage channel which penetrates the dropper 8 coaxially with the mandrel 10 and which has a cylindrical middle portion 12 following the end portions 11 and a conical portion 13 widening to the hemispherical end of the dropper 8 following this. Both the central section 12 and the conical section 13 are calibrated during manufacture by means of a calibration mandrel. As the figure shows, the diameter of the central section 12 is significantly smaller than its axial length, which also applies to the conical section 13, which has a relatively small cone angle. In the exemplary embodiment, it is approximately 8 °. The design of the passage channel and in particular its two sections 12 and 13 can also be chosen differently, since it depends on the properties of the liquid, for example its viscosity and surface tension, as well as on the drop size and whether it is delivered in drop form or in the form of a Beam is desired.

Zur Abdeckung des Tropfers 8 ist eine topfförmige Schutzhaube 14 vorgesehen, die wie die Kappe 1 aus Kunststoff besteht. Die Schutzhaube 14 ist mit einem mit dem Außengewinde des Tropfers 8 korrespondierende Innengewinde versehen und erstreckt sich nahezu bis an die am Übergang vom Abschnitt 2 zum Tropfer 8 gebildete Außenschulter der Kappe 1. Wie die Figur zeigt, ist im Zentrum des Bodens der Schutzhaube 14 an dessen Innenseite ein Zapfen 15 einstückig angeformt, welcher in den konischen Abschnitt 13 eingreift und diesen dicht verschließt, wenn die Schutzhaube 14 vollständig auf den Tropfer 8 aufgeschraubt ist.To cover the dropper 8, a cup-shaped protective hood 14 is provided which, like the cap 1, is made of plastic. The protective hood 14 is provided with an internal thread corresponding to the external thread of the dropper 8 and extends almost up to the outer shoulder of the cap 1 formed at the transition from section 2 to the dropper 8. As the figure shows, the protective hood 14 is in the center of the bottom the inside of which a pin 15 is integrally formed, which engages in the conical section 13 and closes it tightly when the protective hood 14 is screwed completely onto the dropper 8.

Sofern die Flasche mit der Kappe 1 auf den Markt kommt, ist die Kappe 1 so weit auf den Hals 3 aufgeschraubt, daß sich das freie Ende des Abschnittes 2 bis zu dem Ringwulst 7 des Halses 3 erstreckt, wie dies die Figur zeigt. Diese Position ist daran leicht zu erkennen, daß dann, wenn die Kappe 1 noch weiter auf den Hals 3 aufgeschraubt wird, der Abschnitt 2 in Anlage an den Ringwulst 7 kommt und damit ein erhöhtes Drehmoment aufgebracht werden muß. Der Dorn 10 befindet sich, wenn die Kappe 1 bis zum Ringwulst 7 auf den Hals 3 aufgeschraubt ist, in Anlage oder nahezu in Anlage am Verschlußteil 4. Wenn nunmehr der Inhalt der Flasche entnommen werden soll, wird die Kappe 1 vollständig auf den Hals 3 aufgeschraubt. Da hierbei der Dorn 10 das Verschlußteil 4 durchstößt und außerdem der Ringwulst 7 überwunden werden muß, muß ein deutlich spürbar erhöhtes Drehmoment aufgebracht werden, was jedoch dank der Längsriffelung der Außenmantelfläche des Abschnittes 2 keine Schwierigkeiten bereitet. Wenn der Dorn 10 vollständig den Verschlußteil 4 durchstoßen hat, liegt dessen äußere Stirnfläche an der den Dorn 10 tragenden Stirnfläche 8' des Tropfers 8 an. Außerdem münden die Endabschnitte 11 des Durchlaßkanales des Tropfers in dem Innenraum des Halses 3. Nunmehr braucht nur noch die Schutzhaube 14 abgeschraubt zu werden, um den Inhalt der Flasche in Form von einzelnen Tropfen definierter, reproduzierbarer Größe oder, falls der Durchlaßkanal für eine Flüssigkeitsabgabe in Form eines Strahles definierter Größe ausgebildet ist, in Form eines Strahles entnehmen zu können.If the bottle with the cap 1 comes onto the market, the cap 1 is screwed onto the neck 3 so far that the free end of the section 2 extends as far as the annular bead 7 of the neck 3, as the figure shows. This position can be easily recognized by the fact that when the cap 1 is screwed even further onto the neck 3, the section 2 comes into contact with the annular bead 7 and thus an increased torque is applied must become. When the cap 1 is screwed onto the neck 3 up to the annular bead 7, the mandrel 10 is in contact or almost in contact with the closure part 4. When the contents of the bottle are now to be removed, the cap 1 is completely on the neck 3 screwed on. Since here the mandrel 10 pierces the closure part 4 and also the annular bead 7 has to be overcome, a clearly noticeably increased torque must be applied, which, however, does not cause any difficulties thanks to the longitudinal corrugation of the outer surface of section 2. When the mandrel 10 has completely penetrated the closure part 4, its outer end face rests on the end face 8 ′ of the dropper 8 that supports the mandrel 10. In addition, the end portions 11 of the through-channel of the dropper open into the interior of the neck 3. Now only the protective hood 14 needs to be unscrewed in order to remove the contents of the bottle in the form of individual drops of a defined, reproducible size or, if the through-channel for dispensing liquid in Shape of a beam of a defined size is formed, can be removed in the form of a beam.

Claims (9)

Kappe für Behältnisse, insbesondere im Blasverfahren aus Kunststoff hergestellte und in der Form gefüllte sowie verschlossene Flaschen, mit einem Hals, auf den die Kappe aufsetzbar ist, dadurch gekennzeichnet, daß sie im Anschluß an den den Hals (3) aufnehmenden Abschnitt (2) einen mit letzterem einstückig ausgebildeten Abschnitt aufweist, der als Tropfer (8) ausgebildet ist.Cap for containers, in particular in the blow molding process made of plastic and filled and sealed in the mold and closed bottles, with a neck on which the cap can be placed, characterized in that it has a section (2) receiving the neck (3) with the latter has a one-piece section which is designed as a dropper (8). Kappe nach Anspruch 1, dadurch gekennzeichnet, daß sie am Übergang von dem den Hals (3) aufnehmenden Abschnitt (2) zu dem als Tropfer (8) ausgebildeten Abschnitt eine Stirnfläche (8') aufweist, an die im Zentrum ein gegen die Flasche hin vorspringender Dorn (10) angeformt ist, in dem der Durchlaßkanal (11,12,13) des Tropfers (8) beginnt.Cap according to Claim 1, characterized in that it has an end face (8 ') at the transition from the section (2) receiving the neck (3) to the section designed as a dropper (8), towards which in the center an towards the bottle projecting mandrel (10) is formed, in which the passage channel (11,12,13) of the dropper (8) begins. Kappe nach Anspruch 2, dadurch gekennzeichnet, daß der Durchlaßkanal (11,12,13) des Tropfers (8) wenigstens zwei in der Mantelfläche des Dornes (10) mündende Endabschnitte (11) aufweist.Cap according to claim 2, characterized in that the passage channel (11, 12, 13) of the dropper (8) has at least two end sections (11) opening into the lateral surface of the mandrel (10). Kappe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Durchlaßkanal (11,12,13) des Tropfers (8) im Anschluß an einen zylindrischen Abschnitt (12) einen sich in der Auslaßrichtung konisch erweiternden Abschnitt (13) aufweist.Cap according to one of Claims 1 to 3, characterized in that the passage channel (11, 12, 13) of the dropper (8) has a section (13) which widens conically in the outlet direction following a cylindrical section (12). Kappe nach Anspruch 4, dadurch gekennzeichnet, daß der sich konisch erweiternde Abschnitt (13) im Zentrum des kugelförmig abgerundeten freien Endes des Tropfers (8) mündet.Cap according to claim 4, characterized in that the conically widening section (13) opens into the center of the spherically rounded free end of the dropper (8). Kappe nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der den Hals (3) aufnehmende Abschnitt (2) mit einem Innengewinde versehen ist, das korrespondierend zu dem Außengewinde (5) des Halses (3) ausgebildet ist.Cap according to one of Claims 1 to 5, characterized in that the section (2) receiving the neck (3) is provided with an internal thread which is designed to correspond to the external thread (5) of the neck (3). Kappe nach einem der Ansprüche 1 bis 6, gekennzeichnet durch ein auf den als Tropfer (8) ausgebildeten Abschnitt abnehmbar aufgesetztes Verschlußteil (14).Cap according to one of claims 1 to 6, characterized by a closure part (14) detachably fitted onto the section designed as a dropper (8). Kappe nach Anspruch 7, dadurch gekennzeichnet, daß das Verschlußteil als eine topfförmige Haube (14) mit einem Innengewinde ausgebildet ist, das mit einem Außengewinde des Tropfers (8) korrespondiert.Cap according to claim 7, characterized in that the closure part is designed as a cup-shaped hood (14) with an internal thread which corresponds to an external thread of the dropper (8). Kappe nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß an die Innenfläche des Bodens des Verschlußteils (14) zentrisch ein Zapfen (15) angeformt ist, der dichtend in den Durchlaßkanal (11,12,13) des Tropfers (8) einführbar ist.Cap according to claim 7 or 8, characterized in that a pin (15) is integrally formed on the inner surface of the bottom of the closure part (14) and can be inserted sealingly into the passage channel (11, 12, 13) of the dropper (8).
EP93113308A 1992-09-26 1993-08-20 Cap for receptacles, esp. for dispenser bottles Expired - Lifetime EP0590293B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4232305A DE4232305C1 (en) 1992-09-26 1992-09-26 Cap for containers, in particular bottles
DE4232305 1992-09-26

Publications (2)

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EP0590293A1 true EP0590293A1 (en) 1994-04-06
EP0590293B1 EP0590293B1 (en) 1996-09-18

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EP (1) EP0590293B1 (en)
JP (1) JPH0752964A (en)
CA (1) CA2105031C (en)
DE (2) DE4232305C1 (en)
ES (1) ES2091529T3 (en)
MX (1) MX9305892A (en)

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FR2729920A1 (en) * 1995-02-01 1996-08-02 Kerplas Snc BOTTLE BODY AND BOTTLE FOR DISPENSING A PRODUCT
FR2729924A1 (en) * 1995-02-01 1996-08-02 Kerplas Snc PRODUCT DISPENSING BOTTLE
WO2005120975A1 (en) * 2004-06-03 2005-12-22 Allergan, Inc. Controlled drop dispensing tip
EP3838788A1 (en) * 2019-12-17 2021-06-23 Heinlein Plastik-Technik GmbH Dosing closure device for bottles and cap closure

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DE102005025760A1 (en) 2005-06-04 2006-12-07 Bernd Hansen container
DE102013007063A1 (en) 2013-04-19 2014-10-23 Kocher-Plastik Maschinenbau Gmbh container
CA3021989A1 (en) 2016-04-25 2017-11-02 Marc Andrew Koska Medical delivery system
WO2019099954A1 (en) 2017-11-17 2019-05-23 Koska Family Limited Systems and methods for fluid delivery manifolds
WO2021091419A1 (en) * 2019-11-05 2021-05-14 Акционерное общество "Медисорб" Device for evaporating liquid
USD1052082S1 (en) 2020-06-01 2024-11-19 Koska Family Limited Sealed fluid container

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FR2729924A1 (en) * 1995-02-01 1996-08-02 Kerplas Snc PRODUCT DISPENSING BOTTLE
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EP3838788A1 (en) * 2019-12-17 2021-06-23 Heinlein Plastik-Technik GmbH Dosing closure device for bottles and cap closure

Also Published As

Publication number Publication date
CA2105031C (en) 1999-09-14
DE4232305C1 (en) 1994-03-31
CA2105031A1 (en) 1994-03-27
DE59303848D1 (en) 1996-10-24
MX9305892A (en) 1994-03-31
JPH0752964A (en) 1995-02-28
ES2091529T3 (en) 1996-11-01
EP0590293B1 (en) 1996-09-18

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