EP2661399B1 - Snap fit closure system - Google Patents

Snap fit closure system Download PDF

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Publication number
EP2661399B1
EP2661399B1 EP12700275.6A EP12700275A EP2661399B1 EP 2661399 B1 EP2661399 B1 EP 2661399B1 EP 12700275 A EP12700275 A EP 12700275A EP 2661399 B1 EP2661399 B1 EP 2661399B1
Authority
EP
European Patent Office
Prior art keywords
retaining ring
pouring aid
container opening
container
distal end
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.)
Not-in-force
Application number
EP12700275.6A
Other languages
German (de)
French (fr)
Other versions
EP2661399A1 (en
Inventor
Hans-Georg MÜHLHAUSEN
Ingmar Bergbohm
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to PL12700275T priority Critical patent/PL2661399T3/en
Publication of EP2661399A1 publication Critical patent/EP2661399A1/en
Application granted granted Critical
Publication of EP2661399B1 publication Critical patent/EP2661399B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65D47/127—Snap-on caps
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/38—Devices for discharging contents
    • B65D25/40—Nozzles or spouts
    • B65D25/42—Integral or attached nozzles or spouts
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/06—Containers or packages with special means for dispensing contents for dispensing powdered or granular material
    • 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
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material

Definitions

  • the invention relates to a bruised closure system for a container, in particular a blown from a preform bottle for free-flowing detergents and cleaners.
  • WO 2007/092866 A2 discloses a container having a container opening and having a pouring aid attached to the container opening. At the outwardly directed distal end of the container opening, a cylindrical retaining ring is formed, whose outer diameter is greater than the outer diameter of the container opening, so that the container opening is set back relative to the retaining ring to the central axis of the container opening to the inside.
  • the pouring aid has a spring detent element at a distal end, and has at its other distal end means for releasable connection with a closure cap.
  • US7097076 B1 discloses a container having a container opening and having a pouring aid attached to the container opening. The pouring aid is locked in the container opening. A cap is screwed to the container opening.
  • US5101993 A and WO2009 / 111474 A2 each discloses a container with a container opening and with a pouring aid attached to the container opening.
  • the pouring aid is locked in the container opening.
  • a cap is screwed to the pouring aid.
  • US 2008/0230572 A1 discloses a container having a container opening and having a pouring aid attached to the container opening.
  • the pouring aid is manufactured in one piece in the container opening or attached by gluing, friction welding, or melting.
  • the object of the present invention is to prevent the disadvantages described.
  • the object is achieved by a container according to claim 1 and a method for producing a container according to claim 7.
  • the spring detent element has a flank with an axial pitch angle ⁇ of the flank between 2 ° and 85 °, preferably between 4 ° and 70 °, particularly preferably between 5 ° and 60 °. Due to the flank and its pitch positioning inaccuracies when bouncing the pouring aid can be partially compensated for the retaining ring. Furthermore, the spring-elastic deflection and the resilient snap of the spring detent element behind the retaining ring during bouncing is effected by the flank.
  • the spring detent element of the pouring is formed as a resilient, circumferential collar which completely surrounds the retaining ring over its entire circumference.
  • a sealing ring may be formed on the pouring aid, which rests in the bumped with the retaining state on the inwardly directed peripheral wall of the retaining ring. Furthermore, the sealing ring serves for a precisely defined positioning and fixing of the pouring aid on the retaining ring of the container.
  • a closure cap can be provided for closing the container provided with the bruised dosing aid, wherein a means for detachably connecting the pouring aid to the closure cap is designed as an internal thread in the pouring aid and as a corresponding external thread in the closure cap, so that the closure cap is inserted into the pouring aid , in particular liquid-tight, can be screwed.
  • the means for releasably connecting the pouring aid with a closure cap is designed as a bouncing connection detachable by a user.
  • Fig. 1 shows a cross section through the bruised closure system in the closed position.
  • the container 1 has a cylinder-shaped container opening 2 lying at the top in the direction of gravity.
  • a likewise cylindrical retaining ring 3 is formed, which extends parallel to the central axis of the container opening 2 in the direction of gravity upwards.
  • the outer diameter Dh of the retaining ring 3 is larger than the outer diameter Db of the container opening 2.
  • a shoulder 9 is formed on the outwardly directed lateral surface of the container opening 2.
  • the shoulder 9 extends at a right angle out of the lateral surface of the container opening 2 outward.
  • the depth of the shoulder is defined by the difference of the outer diameter Dh of the retaining ring 3 and the outer diameter Db of the container opening 2.
  • the pouring aid 4 has a spring detent element 5, which is formed in the example shown as a circumferential, resilient collar 5b at the distal end of a flank 5a is arranged.
  • the flank 5b has an axial pitch angle ⁇ .
  • the flank 5a engages behind the shoulder 9, so that a connection which can not be detached for a user is formed between the container opening 2 and the pouring aid 4.
  • the flank 5a also serves during the Aufprellreaes for resilient spreading of the collar from the retaining ring 3 to the outside, until the collar then snaps by means of the edge 5a in its closed position behind the shoulder 9.
  • the pouring aid 4 by means of a sealing ring 8, which engages behind the distal end of the retaining ring 3 in the direction of the container interior, is liquid-tightly connected to the retaining ring.
  • the sealing ring 8 has an outwardly rising edge 8a, which facilitates in particular the positioning of the pouring aid on the retaining ring 3.
  • the outer flank edge 8a is sealingly against the inside lateral surface of the retaining ring 3.
  • An internal thread 6 is integrally formed on the distal end of the cylindrical pouring aid 4 directed upwards in the direction of gravity.
  • the cap 7 is detachably screwed by means of a corresponding external thread.
  • Fig. 2 is that off Fig. 1 represented known bruised closure system in an exploded view, based on which can be well explained the method for producing the container according to the invention.
  • a preform is provided with a threadless, circular container opening 2, at the outwardly directed distal end of a cylindrical retaining ring 3 is formed, the outer diameter Dh is greater than the outer diameter Db of the container opening 2, so that the container opening 2 relative to the Retaining ring 3 is set back to the central axis of the container opening 2 and the retaining ring 3 to the inside.
  • the preform is heated and inflated to a container with a threadless, circular container opening 2.
  • the cylindrical pouring aid 4 is bounced on the retaining ring 3 of the container 1, wherein the pouring aid 4 at least at a distal end a Spring latching element 5, wherein the spring detent element 5 and the retaining ring 3 are configured in such a way that by bouncing the pouring aid 4 on the retaining ring 3, a liquid-tight, unsolvable for a user connection is formed, and at its other distal end means 6 for releasable Connection of the pouring aid 4 with a cap 7 has.
  • cap 7 can alternatively be connected in a further process step after the bouncing of the pouring aid 4 on the retaining ring 3 with the pouring aid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Description

Die Erfindung betrifft ein geprelltes Verschlusssystem für einen Behälter, insbesondere eine aus einer Preform geblasene Flasche für schüttfähige Wasch- und Reinigungsmittel.The invention relates to a bruised closure system for a container, in particular a blown from a preform bottle for free-flowing detergents and cleaners.

Stand der TechnikState of the art

Im Bereich der Bevorratung von handelsüblichen Mengen an Wasch- und Reinigungsmitteln haben sich insbesondere aus einem Halbzeug bzw. Vorformling (Preform) geblasene Kunststoffflaschen etabliert. Üblicherweise besitzen diese Flaschen ein Außengewinde, auf das eine Verschluss- und Dosierkappe aufgeschraubt ist.In the field of stocking commercial quantities of detergents and cleaners, plastic bottles blown in particular from a semifinished product or preform have become established. Usually, these bottles have an external thread onto which a closure and dosing cap is screwed.

WO 2007/092866 A2 offenbart einen Behälter mit einer Behälteröffnung und mit einer Ausgießhilfe die an der Behälteröffnung befestigt ist. An der nach Außen gerichtetem distalen Ende der Behälteröffnung ist ein zylinderförmiger Haltering angeformt, dessen äußerer Durchmesser größer ist als der äußere Durchmesser der Behälteröffnung, so dass die Behälteröffnung gegenüber dem Haltering zur Mittelachse der Behälteröffnung nach Innen zurückversetzt ist. Die Ausgießhilfe weist an einem distalen Ende ein Federrastelement auf, und weist an ihrem anderen distalen Ende Mittel zur lösbaren Verbindung mit einer Verschlusskappe auf. WO 2007/092866 A2 discloses a container having a container opening and having a pouring aid attached to the container opening. At the outwardly directed distal end of the container opening, a cylindrical retaining ring is formed, whose outer diameter is greater than the outer diameter of the container opening, so that the container opening is set back relative to the retaining ring to the central axis of the container opening to the inside. The pouring aid has a spring detent element at a distal end, and has at its other distal end means for releasable connection with a closure cap.

US7097076 B1 offenbart einen Behälter mit einer Behälteröffnung und mit einer Ausgießhilfe die an der Behälteröffnung befestigt ist. Die Ausgießhilfe wird in der Behälteröffnung eingerastet. Eine Verschlusskappe wird an die Behälteröffnung geschraubt. US7097076 B1 discloses a container having a container opening and having a pouring aid attached to the container opening. The pouring aid is locked in the container opening. A cap is screwed to the container opening.

US5101993 A und WO2009/111474 A2 offenbaren jeweils einen Behälter mit einer Behälteröffnung und mit einer Ausgießhilfe die an der Behälteröffnung befestigt ist. Die Ausgießhilfe wird in der Behälteröffnung eingerastet. Hier wird jedoch eine Verschlusskappe wird an die Ausgießhilfe geschraubt. US5101993 A and WO2009 / 111474 A2 each discloses a container with a container opening and with a pouring aid attached to the container opening. The pouring aid is locked in the container opening. Here, however, a cap is screwed to the pouring aid.

US 2008/0230572 A1 offenbart einen Behälter mit einer Behälteröffnung und mit einer Ausgießhilfe die an der Behälteröffnung befestigt ist. Die Ausgießhilfe wird in der Behälteröffnung einteilig hergestellt oder durch kleben, reibschweißen, oder schmelzen angebracht. US 2008/0230572 A1 discloses a container having a container opening and having a pouring aid attached to the container opening. The pouring aid is manufactured in one piece in the container opening or attached by gluing, friction welding, or melting.

Die Herstellung derartiger Preforms mit einem Gewinde ist aufgrund der Gewindeflanken und -Steigungs-Geometrie sowie der Fertigungstolleranzen vergleichsweise aufwendig. Gleiches gilt für die korrespondierenden Verschlusskappen.The preparation of such preforms with a thread is relatively expensive due to the thread flanks and pitch geometry and the production tolerances. The same applies to the corresponding caps.

Ferner ergeben sich regelmäßig Probleme bei der Abfüllung derartiger Flaschen, da die Positionierung der Verschlüsse relativ zu den Flaschen exakt zu bestimmen ist, um ein Aufschrauben des Verschlusses zu erlauben. Ferner ist der Zeitaufwand für solche Aufschraubprozesse vergleichsweise hoch und stellt einen limitierenden Faktor der Abfüllkapazität einer automatischen Abfülllinie dar. Auch müssen die Drehmomente, mit denen eine Verschlusskappe aufgeschraubt wird möglichst exakt bestimmt und überwacht werden, da ein zu geringes Anschraubmoment ein ungewolltes Lösen des Schraubverschlusses verursachen kann und ein zu hohes Anschraubmoment dazu führen kann, dass der Verschluss nicht mehr oder nur schwer von einem Benutzer wieder zu öffnen ist oder gar beim Aufschrauben durch ein zu hohes Anschraubmoment zerstört wird.Furthermore, there are regularly problems with the filling of such bottles, since the positioning of the closures is to be determined relative to the bottles exactly to allow screwing the closure. Furthermore, the time required for such Aufschraubprozesse is comparatively high and represents a limiting factor of the filling capacity of an automatic filling line. Also, the torques with which a cap is screwed as accurately as possible be determined and monitored because too low Anschraubmoment cause unwanted loosening of the screw cap can and can lead to a high bolting torque that the closure is no longer or only with difficulty by a user to reopen or even destroyed when screwed by a too high Anschraubmoment.

Aufgabe der vorliegenden Erfindung ist es, die beschriebenen Nachteile zu verhindern.The object of the present invention is to prevent the disadvantages described.

Die Aufgabe wird durch einen Behälter nach Anspruch 1 und ein Verfahren zur Herstellung eines Behälters nach Anspruch 7 gelöst.The object is achieved by a container according to claim 1 and a method for producing a container according to claim 7.

Der Behälter, insbesondere eine aus einer Preform geblasene Flasche für schüttfähige Wasch- und Reinigungsmittel, umfasst

  • eine gewindelose, kreisrunde Behälteröffnung an deren nach Außen gerichtetem distalen Ende ein zylinderförmiger Haltering angeformt ist, dessen äußerer Durchmesser Dh größer ist als der äußere Durchmesser Db der Behälteröffnung, so dass die Behälteröffnung gegenüber dem Haltering zur Mittelachse der Behälteröffnung bzw. des Halterings nach Innen zurückversetzt ist,
  • eine im Wesentlichen zylinderförmige Ausgießhilfe,
    • o die wenigstens an einem distalen Ende ein Federrastelement aufweist, wobei das Federrastelement und der Haltering derart konfiguriert sind, dass durch Aufprellen der Ausgießhilfe auf den Haltering eine flüssigkeitsdichte, für einen Benutzer unlösbare Verbindung ausgebildet wird, und
    • o die an ihrem anderen distalen Ende Mittel zur lösbaren Verbindung der Ausgießhilfe mit einer Verschlusskappe aufweist.
The container, in particular a blown from a preform bottle for pourable detergents and cleaners, comprises
  • a threadless, circular container opening at the outwardly directed distal end of a cylindrical retaining ring is formed, whose outer diameter Dh is greater than the outer diameter Db of the container opening, so that the container opening relative to the retaining ring to the central axis of the container opening and the retaining ring recessed to the inside is
  • a substantially cylindrical pouring aid,
    • o having at least at one distal end a spring detent element, wherein the spring detent element and the retaining ring are configured such that by bouncing the pouring aid on the retaining ring a liquid-tight, non-detachable connection for a user is formed, and
    • o has at its other distal end means for releasably connecting the pouring aid with a cap.

Gemäß einer bevorzugten Ausbildung der Erfindung, weist das Federrastelement eine Flanke mit einem axialen Steigungswinkel β der Flanke zwischen 2° und 85°, bevorzugt zwischen 4° und 70°, insbesondere bevorzugt zwischen 5° und 60° aufweist. Durch die Flanke und deren Steigung können Positionierungsungenauigkeiten beim Ausprellen der Ausgießhilfe auf den Haltering teilweise ausgeglichen werden. Ferner wird durch die Flanke die federelastische Auslenkung und das federelastische Einschnappen des Federrastelements hinter den Haltering beim Aufprellen bewirkt.According to a preferred embodiment of the invention, the spring detent element has a flank with an axial pitch angle β of the flank between 2 ° and 85 °, preferably between 4 ° and 70 °, particularly preferably between 5 ° and 60 °. Due to the flank and its pitch positioning inaccuracies when bouncing the pouring aid can be partially compensated for the retaining ring. Furthermore, the spring-elastic deflection and the resilient snap of the spring detent element behind the retaining ring during bouncing is effected by the flank.

Um eine möglichst gleichmäßige und hinreichende Haltekraft der Ausgießhilfe auf dem Haltering zu erzielen ist es von Vorteil, das Federrastelement der Ausgießhilfe als federelastischen, umlaufenden Kragen auszubilden, der den Haltering über seinen gesamten Umfang vollständig umschließt. Hierzu ist es des Weiteren bevorzugt, die Ausgießhitfe aus einem Kunststoffmaterial auszubilden.In order to achieve the most uniform and sufficient holding force of the pouring on the retaining ring, it is advantageous to form the spring detent element of the pouring as a resilient, circumferential collar which completely surrounds the retaining ring over its entire circumference. For this purpose, it is further preferred to form the Ausgießhitfe of a plastic material.

Um die Ausgießhilfe möglichst flüssigkeitsdicht mit dem Haltering zu verbinden, kann gemäß einer Weiterentwicklung der Erfindung an der Ausgießhilfe ein Dichtring angeformt sein, der im mit dem Haltering geprellten Zustand an der nach innen gerichteten Umfangswand des Halterings anliegt. Ferner dient der Dichtring einer exakt definierten Positionierung und Fixierung der Ausgießhilfe auf dem Haltering des Behälters.In order to connect the spout as liquid-tight as possible with the retaining ring, according to a further development of the invention, a sealing ring may be formed on the pouring aid, which rests in the bumped with the retaining state on the inwardly directed peripheral wall of the retaining ring. Furthermore, the sealing ring serves for a precisely defined positioning and fixing of the pouring aid on the retaining ring of the container.

Zum Verschluss des mit der geprellten Dosierhilfe versehenen Behälters kann beispielsweise eine Verschlusskappe vorgesehen werden, wobei ein Mittel zur lösbaren Verbindung der Ausgießhilfe mit der Verschlusskappe als ein Innengewinde in der Ausgießhilfe und als korrespondierendes Außengewinde in der Verschlusskappe ausgebildet ist, so dass die Verschlusskappe in die Ausgießhilfe, insbesondere flüssigkeitsdicht, einschraubbar ist.For example, a closure cap can be provided for closing the container provided with the bruised dosing aid, wherein a means for detachably connecting the pouring aid to the closure cap is designed as an internal thread in the pouring aid and as a corresponding external thread in the closure cap, so that the closure cap is inserted into the pouring aid , in particular liquid-tight, can be screwed.

Alternativ ist es auch denkbar, dass die Mittel zur lösbaren Verbindung der Ausgießhilfe mit einer Verschlusskappe als eine von einem Benutzer lösbare Prellverbindung ausgebildet ist.Alternatively, it is also conceivable that the means for releasably connecting the pouring aid with a closure cap is designed as a bouncing connection detachable by a user.

Der erfindungsgemäße Behälter kann nach folgendem Verfahren, umfassend die folgenden Schritte, hergestellt werden:

  1. a) Bereitstellung eines Preforms mit einer gewindelose, kreisrunde Behälteröffnung an deren nach Außen gerichtetem distalen Ende ein zylinderförmiger Haltering angeformt ist, dessen äußerer Durchmesser Dh größer ist als der äußere Durchmesser Db der Behälteröffnung, so dass die Behälteröffnung gegenüber dem Haltering zur Mittelachse der Behälteröffnung bzw. des Halterings nach Innen zurückversetzt ist,
  2. b) Aufblasen des Preforms zu einem Behälter mit einer gewindelose, kreisrunde Behälteröffnung an deren nach Außen gerichtetem distalen Ende ein zylinderförmiger Haltering angeformt ist, dessen äußerer Durchmesser Dh größer ist als der äußere Durchmesser der Behälteröffnung , so dass die Behälteröffnung gegenüber dem Haltering zur Mittelachse der Behälteröffnung bzw. des Halterings nach Innen zurückversetzt ist,
  3. c) Aufprellen einer im Wesentlichen zylinderförmigen Ausgießhilfe auf den Haltering des Behälters , wobei die Ausgießhilfe wenigstens an einem distalen Ende ein Federrastelement aufweist, wobei das Federrastelement und der Haltering derart konfiguriert sind, dass durch Aufprellen der Ausgießhilfe auf den Haltering eine flüssigkeitsdichte, für einen Benutzer unlösbare Verbindung ausgebildet wird, und die an ihrem anderen distalen Ende Mittel zur lösbaren Verbindung der Ausgießhilfe mit einer Verschlusskappe aufweist.
The container according to the invention can be produced by the following method, comprising the following steps:
  1. a) providing a preform with a threadless, circular container opening at the outwardly directed distal end of a cylindrical retaining ring is formed whose outer diameter Dh is greater than the outer diameter Db of the container opening, so that the container opening relative to the retaining ring to the central axis of the container opening or the retaining ring is set back inwards,
  2. b) inflating the preform to a container having a threadless, circular container opening at the outwardly directed distal end of a cylindrical retaining ring is formed whose outer diameter Dh is greater than the outer diameter of the container opening, so that the container opening relative to the retaining ring to the central axis of Container opening or the retaining ring is set back inside,
  3. c) bouncing a substantially cylindrical pouring aid on the retaining ring of the container, wherein the pouring at least at one distal end a spring detent element, wherein the spring detent element and the retaining ring are configured such that by bouncing the pouring aid on the retaining ring a liquid-tight, for a user indissoluble compound is formed, and having at its other distal end means for releasably connecting the pouring aid with a closure cap.

Die Erfindung wird anhand der nachfolgenden Beispiele und Abbildungen näher erläutert. Es zeigen:

Fig.1
Querschnitt durch geprelltes Verschlusssystem in Verschlussstellung
Fig.2
Prellbares Verschlusssystem in Explosionsansicht
The invention will be explained in more detail with reference to the following examples and figures. Show it:
Fig.1
Cross section through bounced closure system in closed position
Fig.2
Bounce closure system in exploded view

Fig. 1 zeigt einen Querschnitt durch das geprellte Verschlusssystem in Verschlussstellung. Der Behälter 1 weist eine in Schwerkraftrichtung oben liegende, zylinderförmige Behälteröffnung 2 auf. An ihrem distalen Ende ist ein ebenfalls zylinderförmiger Haltering 3 angeformt, der sich parallel zur Mittelachse der Behälteröffnung 2 in Schwerkraftrichtung nach oben erstreckt. Der äußere Durchmesser Dh des Halterings 3 ist dabei größer als der äußere Durchmesser Db der Behälteröffnung 2. Hierdurch wird an der nach Außen gerichteten Mantelfläche der Behälteröffnung 2 eine Schulter 9 ausgebildet. Die Schulter 9 erstreckt sich in einem rechten Winkel aus der Mantelfläche der Behälteröffnung 2 heraus nach Außen. Die Tiefe der Schulter ist durch die Differenz des äußeren Durchmessers Dh des Halterings 3 und des äußeren Durchmessers Db der Behälteröffnung 2 definiert. Fig. 1 shows a cross section through the bruised closure system in the closed position. The container 1 has a cylinder-shaped container opening 2 lying at the top in the direction of gravity. At its distal end, a likewise cylindrical retaining ring 3 is formed, which extends parallel to the central axis of the container opening 2 in the direction of gravity upwards. The outer diameter Dh of the retaining ring 3 is larger than the outer diameter Db of the container opening 2. In this way, a shoulder 9 is formed on the outwardly directed lateral surface of the container opening 2. The shoulder 9 extends at a right angle out of the lateral surface of the container opening 2 outward. The depth of the shoulder is defined by the difference of the outer diameter Dh of the retaining ring 3 and the outer diameter Db of the container opening 2.

In der in Fig.1 dargestellten Verschlussstellung befindet sich die Ausgießhilfe 4 im geprellten Verschlusszustand mit dem Haltering 3 der Behälteröffnung 2. Die Ausgießhilfe 4 weist ein Federrastelement 5 auf, welches im gezeigten Beispiel als ein umlaufender, federelastischer Kragen 5b ausgebildet ist an dessen distalem Ende eine Flanke 5a angeordnet ist. Die Flanke 5b weist einen axialen Steigungswinkel β auf. Im geprellten Zustand greift die Flanke 5a hinter die Schulter 9, so dass eine für einen Benutzer unlösbare Verbindung zwischen der Behälteröffnung 2 und der Ausgießhilfe 4 ausgebildet ist. Die Flanke 5a dient ferner während des Aufprellprozesses zur federelastischen Spreizung des Kragens vom Haltering 3 nach Außen, bis der Kragen dann mittels der Flanke 5a in seine Verschlussstellung hinter der Schulter 9 einrastet.In the in Fig.1 The pouring aid 4 has a spring detent element 5, which is formed in the example shown as a circumferential, resilient collar 5b at the distal end of a flank 5a is arranged. The flank 5b has an axial pitch angle β. In the bounced state, the flank 5a engages behind the shoulder 9, so that a connection which can not be detached for a user is formed between the container opening 2 and the pouring aid 4. The flank 5a also serves during the Aufprellprozesses for resilient spreading of the collar from the retaining ring 3 to the outside, until the collar then snaps by means of the edge 5a in its closed position behind the shoulder 9.

Man erkennt anhand von Fig. 1 ferner, dass die Ausgießhilfe 4 mittels eines Dichtrings 8, der hinter das distale Ende des Halterings 3 in Richtung des Behälterinneren eingreift, flüssigkeitsdicht mit dem Haltering verbunden ist. Auch der Dichtring 8 weist eine nach Außen aufsteigende Flanke 8a auf, die insbesondere die Positionierung der Ausgießhilfe auf dem Haltering 3 erleichtert. Die äußere Flankenkante 8a liegt dabei dichtend an der innenseitigen Mantelfläche des Halterings 3 an.One recognizes by means of Fig. 1 Furthermore, that the pouring aid 4 by means of a sealing ring 8, which engages behind the distal end of the retaining ring 3 in the direction of the container interior, is liquid-tightly connected to the retaining ring. Also, the sealing ring 8 has an outwardly rising edge 8a, which facilitates in particular the positioning of the pouring aid on the retaining ring 3. The outer flank edge 8a is sealingly against the inside lateral surface of the retaining ring 3.

An dem in Schwerkraftrichtung nach oben gerichteten distalem Ende der zylinderförmigen Ausgießhilfe 4 ist ein Innengewinde 6 angeformt. In dieses Innengewinde ist lösbar die Verschlusskappe 7 mittels eines korrespondierenden Außengewindes eingeschraubt.An internal thread 6 is integrally formed on the distal end of the cylindrical pouring aid 4 directed upwards in the direction of gravity. In this internal thread, the cap 7 is detachably screwed by means of a corresponding external thread.

In Fig. 2 ist das aus Fig. 1 bekannte geprellte Verschlusssystem in einer Explosionsansicht dargestellt, anhand derer sich gut das Verfahren zur Herstellung des erfindungsgemäßen Behälters erläutern lässt.In Fig. 2 is that off Fig. 1 represented known bruised closure system in an exploded view, based on which can be well explained the method for producing the container according to the invention.

Zunächst wird hierbei ein Preform mit einer gewindelosen, kreisrunden Behälteröffnung 2 bereitgestellt, an deren nach Außen gerichtetem distalen Ende ein zylinderförmiger Haltering 3 angeformt ist, dessen äußerer Durchmesser Dh größer ist als der äußere Durchmesser Db der Behälteröffnung 2, so dass die Behälteröffnung 2 gegenüber dem Haltering 3 zur Mittelachse der Behälteröffnung 2 bzw. des Halterings 3 nach Innen zurückversetzt ist. Nachfolgend wird der Preform erwärmt und zu einem Behälter mit einer gewindelose, kreisrunde Behälteröffnung 2 aufgeblasen.First, a preform is provided with a threadless, circular container opening 2, at the outwardly directed distal end of a cylindrical retaining ring 3 is formed, the outer diameter Dh is greater than the outer diameter Db of the container opening 2, so that the container opening 2 relative to the Retaining ring 3 is set back to the central axis of the container opening 2 and the retaining ring 3 to the inside. Subsequently, the preform is heated and inflated to a container with a threadless, circular container opening 2.

Schließlich wird die zylinderförmige Ausgießhilfe 4 auf den Haltering 3 des Behälters 1 aufgeprellt, wobei die Ausgießhilfe 4 wenigstens an einem distalen Ende ein Federrastelement 5 aufweist, wobei das Federrastelement 5 und der Haltering 3 in der Art konfiguriert sind, dass durch Aufprellen der Ausgießhilfe 4 auf den Haltering 3 eine flüssigkeitsdichte, für einen Benutzer unlösbare Verbindung ausgebildet wird, und die an ihrem anderen distalen Ende Mittel 6 zur lösbaren Verbindung der Ausgießhilfe 4 mit einer Verschlusskappe 7 aufweist.Finally, the cylindrical pouring aid 4 is bounced on the retaining ring 3 of the container 1, wherein the pouring aid 4 at least at a distal end a Spring latching element 5, wherein the spring detent element 5 and the retaining ring 3 are configured in such a way that by bouncing the pouring aid 4 on the retaining ring 3, a liquid-tight, unsolvable for a user connection is formed, and at its other distal end means 6 for releasable Connection of the pouring aid 4 with a cap 7 has.

Beim Aufprellen kann die Ausgießhilfe 4 bereits über eine lösbar angeordnete Verschlusskappe 7 verfügen. Die Verschlusskappe 7 kann alternativ auch in einem weiteren Prozessschritt nach dem Aufprellen der Ausgießhilfe 4 auf den Haltering 3 mit der Ausgießhilfe verbunden werden.When bouncing the pouring aid 4 may already have a releasably arranged cap 7. The cap 7 can alternatively be connected in a further process step after the bouncing of the pouring aid 4 on the retaining ring 3 with the pouring aid.

Claims (9)

  1. Container (1), in particular a bottle blown from a preform, for pourable cleaners and detergents, comprising
    • a threadless circular container opening (2), on the outwardly facing distal end of which a cylindrical retaining ring (3) is integrally formed, and whose outer diameter (Dh) is greater than the outer diameter (Db) of the container opening (2), so that the container opening (2) is inwardly recessed, relative to the retaining ring (3), with respect to the center axis of the container opening (2) or of the retaining ring (3),
    • an essentially cylindrical pouring aid (4)
    ∘ which has a spring detent element (5) at least on one distal end, and
    ∘ which has means (6) on its other distal end for detachably connecting the pouring aid (4) to a closure cap (7),
    characterized in that
    the spring detent element (5) and the retaining ring (3) are configured in such a way that a fluid-tight connection which cannot be detached by a user is formed by snapping the pouring aid (4) onto the retaining ring (3).
  2. Container according to Claim 1, characterized in that the spring detent element (5) has a flank (5a) with an axial angle of inclination β of the flank (5a) between 2° and 85°, preferably between 4° and 70°, particular preferably between 5° and 60°.
  3. Container according to one of the preceding claims, characterized in that the spring detent element (5) of the pouring aid (4) is designed as a spring-elastic circumferential collar (5b).
  4. Container according to one of the preceding claims, characterized in that a sealing ring (8) is integrally formed onto the pouring aid (4), and in the snapped-on state with the retaining ring (3) rests on the inwardly facing peripheral wall of the retaining ring (3).
  5. Container according to one of the preceding claims, characterized in that the means (6) for detachably connecting the pouring aid (4) to a closure cap (7) is designed as an internal thread which is formed in the pouring aid (4) and as a corresponding external thread in the closure cap (7), so that the closure cap (7) is screwable into the pouring aid (4), in particular in a fluid-tight manner.
  6. Container according to one of Claims 1 to 4, characterized in that the means (6) for detachably connecting the pouring aid (4) to a closure cap (7) is designed as a snap-on connection which is detachable by a user.
  7. Method for manufacturing a container according to Claim 1, comprising the following steps:
    a) Providing a preform having a threadless circular container opening (2), on the outwardly facing distal end of which a cylindrical retaining ring (3) is integrally formed, whose outer diameter (Dh) is greater than the outer diameter (Db) of the container opening (2), so that the container opening (2) is inwardly recessed, relative to the retaining ring (3), with respect to the center axis of the container opening (2) or of the retaining ring (3),
    b) Inflating the preform to form a container having a threadless circular container opening (2), on the outwardly facing distal end of which a cylindrical retaining ring (3) is integrally formed, whose outer diameter (Dh) is greater than the outer diameter (Db) of the container opening (2), so that the container opening (2) is inwardly recessed, relative to the retaining ring (3), with respect to the center axis of the container opening (2) or of the retaining ring (3),
    c) Snapping an essentially cylindrical pouring aid (4) onto the retaining ring (3) of the container (1), the pouring aid (4) having a spring detent element (5) at least on one distal end, the spring detent element (5) and the retaining ring (3) being configured in such a way that a fluid-tight connection which cannot be detached by a user is formed by snapping the pouring aid (4) onto the retaining ring (3), and the pouring aid has means (6) on its other distal end for detachably connecting the pouring aid (4) to a closure cap (7),
  8. Method according to Claim 7, characterized in that the closure cap (7) is already connected to the pouring aid (4) in method step c).
  9. Method according to Claim 7, characterized in that the closure cap (7) is connected to the pouring aid (4) in a method step d) which follows the method step.
EP12700275.6A 2011-06-27 2012-01-11 Snap fit closure system Not-in-force EP2661399B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12700275T PL2661399T3 (en) 2011-06-27 2012-01-11 Snap fit closure system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011078099A DE102011078099A1 (en) 2011-06-27 2011-06-27 Bounced closure system
PCT/EP2012/050351 WO2013000586A1 (en) 2011-06-27 2012-01-11 Snap‑fit closure system

Publications (2)

Publication Number Publication Date
EP2661399A1 EP2661399A1 (en) 2013-11-13
EP2661399B1 true EP2661399B1 (en) 2015-03-18

Family

ID=45478325

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12700275.6A Not-in-force EP2661399B1 (en) 2011-06-27 2012-01-11 Snap fit closure system

Country Status (6)

Country Link
US (1) US20140103070A1 (en)
EP (1) EP2661399B1 (en)
DE (1) DE102011078099A1 (en)
ES (1) ES2535803T3 (en)
PL (1) PL2661399T3 (en)
WO (1) WO2013000586A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9027798B2 (en) * 2013-03-15 2015-05-12 Allway Tools, Inc. Pouring adaptor assembly compatible with multiple bucket lid configurations

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2109720A (en) * 1936-10-31 1938-03-01 Richard E Deschner Sanitary closure for receptacles containing pourable substances
US3371827A (en) * 1966-06-16 1968-03-05 Leeds & Micallef Captive closure for containers with turnable retractable spout
US4550862A (en) * 1982-11-17 1985-11-05 The Procter & Gamble Company Liquid product pouring and measuring package with self draining feature
US4989757A (en) * 1988-02-25 1991-02-05 Owens-Illinois Plastic Products Inc. Plastic container with self-draining feature
US5060827A (en) * 1990-05-09 1991-10-29 Colgate-Palmolive Company Low profile anti-drip dosing cap and spout for liquid containers
US5101993A (en) * 1990-05-10 1992-04-07 Phoenix Closures, Inc. Closure seal
US5431306A (en) * 1993-12-31 1995-07-11 Innovative Molding, Inc. Drain back container with internal thread
US5865331A (en) * 1994-02-10 1999-02-02 The Procter & Gamble Company Package with a lighweighted closure system
US5941422A (en) * 1998-04-06 1999-08-24 Owens-Brockway Plastic Products Inc. Liquid containing and dispensing package
US20020011498A1 (en) * 1998-12-30 2002-01-31 Edward John Giblin Manufactured pour spout fitment and container
US6648188B2 (en) * 1999-12-21 2003-11-18 Owens-Brockway Plastic Products Inc. Liquid dispensing package and method of manufacture
US7097076B1 (en) * 2000-10-11 2006-08-29 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Fitment and bottle
US6964359B1 (en) * 2004-06-22 2005-11-15 Plastipak Packaging, Inc. Plastic container
US7686188B2 (en) * 2004-12-21 2010-03-30 Berry Plastics Corporation Drain-back spout fitment closure with drip-less pour tip
US20090101682A1 (en) * 2005-06-15 2009-04-23 Plastek Industries, Inc. Pour Spout
WO2007092866A2 (en) * 2006-02-06 2007-08-16 Plastek Industries, Inc. Pour spout
WO2007147044A1 (en) * 2006-06-15 2007-12-21 Plastek Industries, Inc. Pour spout
US20080230572A1 (en) * 2007-03-20 2008-09-25 The Procter & Gamble Company Package for pouring a product
CA2715420C (en) * 2008-03-04 2015-08-11 Church & Dwight Co., Inc. Cap & spout combo
JP5248614B2 (en) * 2008-09-01 2013-07-31 株式会社フレッシュ Caps and containers with caps
US7857168B2 (en) * 2008-11-06 2010-12-28 The Procter & Gamble Company Container with an integrated spout

Also Published As

Publication number Publication date
PL2661399T3 (en) 2015-08-31
WO2013000586A1 (en) 2013-01-03
US20140103070A1 (en) 2014-04-17
EP2661399A1 (en) 2013-11-13
ES2535803T3 (en) 2015-05-18
DE102011078099A1 (en) 2012-12-27

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