EP2661399A1 - Snap fit closure system - Google Patents

Snap fit closure system

Info

Publication number
EP2661399A1
EP2661399A1 EP12700275.6A EP12700275A EP2661399A1 EP 2661399 A1 EP2661399 A1 EP 2661399A1 EP 12700275 A EP12700275 A EP 12700275A EP 2661399 A1 EP2661399 A1 EP 2661399A1
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.)
Granted
Application number
EP12700275.6A
Other languages
German (de)
French (fr)
Other versions
EP2661399B1 (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

Links

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.
  • Screw closure can cause and too high screwing can cause the closure is not or only with difficulty by a user to reopen or even destroyed when screwed by a too high bolting torque.
  • 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 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, the 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
  • Container opening or the retaining ring is set back inside, A substantially cylindrical pouring aid,
  • the spring detent element has a flank with an axial pitch angle ⁇ of the flank between 2 ° and 85 °, preferably between 4 ° and 70 °, in particular 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.
  • the pouring aid is further preferred to form the pouring aid of a plastic material.
  • a sealing ring may be formed on the pouring, which rests in the bumped with the retaining ring 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.
  • the container according to the invention can be produced by the following method comprising the following steps: a) providing a preform with a threadless, circular container opening at the outwardly directed distal end of which a cylindrical retaining ring is formed whose outer diameter Dh is greater than the outer diameter
  • 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 inside, b) inflation of the preform to a container with a threadless, circular
  • cylindrical retaining ring is formed, whose outer diameter Dh 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 or the retaining ring to the inside, c) bouncing a substantially cylindrical Ausgit silk on the retaining ring of Container, wherein the pouring aid at least at a distal end a
  • Spring latching element wherein the spring detent element and the retaining ring are configured such that by forming the spout on the retaining ring a liquid-tight, unsolvable for a user connection is formed, and having at its other distal end means for releasably connecting the pouring aid with a cap.
  • Fig. 1 shows a cross section through the bruised closure system in the closed position.
  • the container 1 has a cylinder in the direction of gravity overhead
  • Container opening 2 on. 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.
  • 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 in the example shown is designed as a circumferential, resilient collar 5b at its distal end a flank 5a is arranged.
  • the flank 5b has an axial pitch angle ⁇ . 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 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 is connected in a fluid-tight manner to the holding ring by means of a sealing ring 8, which engages behind the distal end of the holding ring 3 in the direction of the container interior.
  • 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 shows an exploded view of the bruised closure system known from FIG. 1, by means of which the method for producing the container according to the invention can be easily explained.
  • 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 to releasably Connection of the pouring aid 4 with a cap 7 has.
  • Cap 7 have.
  • the cap 7 may alternatively also in a further process step after the bouncing of the pouring aid 4 on the retaining ring 3 with the

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)

Abstract

Container (1), in particular a bottle for pourable detergents which is blow moulded from a preform, comprising a thread‑free, round container opening (2), at the outwardly directed distal end of which is formed a cylindrical retaining ring (3), of which the external diameter (Dh) is greater than the external diameter (Db) of the container opening (2), and therefore the container opening (2) is set back inwards in relation to the retaining ring (3) in the direction of the centre axis of the container opening (2) and/or of the retaining ring (3), and also comprising a substantially cylindrical pouring aid (4) which has a resilient latching element (5) at least at one distal end, wherein the resilient latching element (5) and the retaining ring (3) are configured such that a liquid‑tight connection which cannot be released by a user is formed by virtue of the pouring aid (4) being snap‑fitted onto the retaining ring (3), and which has, at its other distal end, means (6) for connecting the pouring aid (4) in a releasable manner to a closure cap (7).

Description

Geprelltes Verschlusssvstem  Bounced closure system
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 Technik State 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. 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.  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. 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 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 vergleichsweise hoch und stellt einen limitierenden Faktor der Aufschraubprozesse comparatively high and represents a limiting factor of
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 Filling capacity of an automatic filling line. Also, the torques with which a cap is screwed on must be determined and monitored as accurately as possible, since too low Anschraubmoment an unwanted loosening of the
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. Screw closure can cause and too high screwing can cause the closure is not or only with difficulty by a user to reopen or even destroyed when screwed by a too high bolting torque.
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 The container, in particular a blown from a preform bottle for pourable detergents and cleaners, comprises
• eine gewindelose, kreisrunde Behälteröffnung an deren nach Außen gerichtetem distalen Ende ein zylinderförmiger Haltering angeformt ist, dessen äußerer • A threadless, circular container opening at the outwardly directed distal end of a cylindrical retaining ring is formed, the outer
Durchmesser Dh größer ist als der äußere Durchmesser Db der Behälteröffnung, so dass die Behälteröffnung gegenüber dem Haltering zur Mittelachse der  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
Behälteröffnung bzw. des Halterings nach Innen zurückversetzt ist, • eine im Wesentlichen zylinderförmige Ausgießhilfe, Container opening or the retaining ring is set back inside, A substantially cylindrical pouring aid,
o die wenigstens an einem distalen Ende ein Federrastelement aufweist, wobei das Federrastelement und der Haltering derart konfiguriert sind, dass durch 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
Aufprellen der Ausgießhilfe auf den Haltering eine flüssigkeitsdichte, für einenBouncing the spout on the retaining ring a liquid-tight, for a
Benutzer unlösbare Verbindung ausgebildet wird, und User indissoluble connection is formed, and
o die an ihrem anderen distalen Ende Mittel zur lösbaren Verbindung der  o at its other distal end means for releasably connecting the
Ausgießhilfe mit einer Verschlusskappe aufweist.  Pouring aid having a closure cap.
Gemäß einer bevorzugten Ausbildung der Erfindung, weist das Federrastelement eine Flanke mit einem axialen Steigungswinkel ß 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 °, in particular 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 Ausgießhilfe 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 pouring aid 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, which rests in the bumped with the retaining ring 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. Der erfindungsgemäße Behälter kann nach folgendem Verfahren, umfassend die folgenden Schritte, hergestellt werden: 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 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. The container according to the invention can be produced by the following method comprising the following steps: a) providing a preform with a threadless, circular container opening at the outwardly directed distal end of which a cylindrical retaining ring is formed whose outer diameter Dh is greater than the outer diameter
Durchmesser Db der Behälteröffnung, so dass die Behälteröffnung gegenüber dem Haltering zur Mittelachse der Behälteröffnung bzw. des Halterings nach Innen zurückversetzt ist, b) Aufblasen des Preforms zu einem Behälter mit einer gewindelose, kreisrunde  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 inside, b) inflation of the preform to a container with a threadless, circular
Behälteröffnung an deren nach Außen gerichtetem distalen Ende ein  Container opening at its distal end directed to the outside
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, c) Aufprellen einer im Wesentlichen zylinderförmigen Ausgießhilfe auf den Haltering des Behälters , wobei die Ausgießhilfe wenigstens an einem distalen Ende ein  cylindrical retaining ring is formed, whose outer diameter Dh 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 or the retaining ring to the inside, c) bouncing a substantially cylindrical Ausgießhilfe on the retaining ring of Container, wherein the pouring aid at least at a distal end a
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.  Spring latching element, wherein the spring detent element and the retaining ring are configured such that by forming the spout on the retaining ring a liquid-tight, unsolvable for a user connection is formed, and having at its other distal end means for releasably connecting the pouring aid with a cap.
Die Erfindung wird anhand der nachfolgenden Beispiele und Abbildungen näher erläutert. Es zeigen: The invention will be explained in more detail with reference to the following examples and figures. Show it:
Fig.1 Querschnitt durch geprelltes Verschlusssystem in Verschlussstellung Fig.1 Cross section through bounced closure system in closed position
Fig.2 Prellbares Verschlusssystem in Explosionsansicht 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 Fig. 1 shows a cross section through the bruised closure system in the closed position. The container 1 has a cylinder in the direction of gravity overhead
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. Container opening 2 on. 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 ß 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. The pouring aid 4 has a spring detent element 5, which in the example shown is designed as a circumferential, resilient collar 5b at its distal end 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. 1 that the pouring aid 4 is connected in a fluid-tight manner to the holding ring by means of a sealing ring 8, which engages behind the distal end of the holding ring 3 in the direction of the container interior. 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. FIG. 2 shows an exploded view of the bruised closure system known from FIG. 1, by means of which the method for producing the container according to the invention can be easily explained.
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 to releasably Connection of the pouring aid 4 with a cap 7 has.
Beim Aufprellen kann die Ausgießhilfe 4 bereits über eine lösbar angeordnete When bouncing the pouring aid 4 can already have a releasably arranged
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 Cap 7 have. The cap 7 may alternatively also in a further process step after the bouncing of the pouring aid 4 on the retaining ring 3 with the
Ausgießhilfe verbunden werden. Pouring help to be connected.

Claims

Patentansprüche claims
1 . Behälter (1) , insbesondere eine aus einer Preform geblasene Flasche für schüttfähige Wasch- und Reinigungsmittel, umfassend 1 . Container (1), in particular a blown from a preform bottle for free-flowing detergents and cleaning products, comprising
• eine gewindelose, kreisrunde Behälteröffnung (2) 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, • a threadless, circular container opening (2) at the outwardly directed distal end of a cylindrical retaining ring (3) is formed, whose outer diameter (Dh) is greater than the outer diameter (Db) of the container opening (2), so that the container opening (2) opposite to the retaining ring (3) to the central axis of the container opening (2) and the retaining ring (3) is set back inside,
• eine im Wesentlichen zylinderförmige Ausgießhilfe (4), A substantially cylindrical pouring aid (4),
o die wenigstens an einem distalen Ende ein Federrastelement (5) aufweist, wobei das Federrastelement (5) und der Haltering (3) derart konfiguriert sind, dass durch Aufprellen der Ausgießhilfe (4) auf den Haltering (3) eine flüssigkeitsdichte, für einen Benutzer unlösbare Verbindung ausgebildet wird, und  o having at least at one distal end a spring detent element (5), wherein the spring detent element (5) and the retaining ring (3) are configured such that by bouncing the pouring aid (4) on the retaining ring (3) a liquid-tight, for a user permanent connection is formed, and
o die an ihrem anderen distalen Ende Mittel (6) zur lösbaren Verbindung der Ausgießhilfe (4) mit einer Verschlusskappe (7) aufweist.  o having at its other distal end means (6) for releasably connecting the pouring aid (4) with a closure cap (7).
2. Behälter nach Anspruch 1 , dadurch gekennzeichnet, dass das Federrastelement (5) eine Flanke (5a) mit einem axialen Steigungswinkel ß der Flanke (5a) zwischen 2° und 85°, bevorzugt zwischen 4° und 70°, insbesondere bevorzugt zwischen 5° und 60° aufweist. 2. Container according to claim 1, characterized in that the spring detent element (5) has a flank (5a) with an axial pitch angle ß of the flank (5a) between 2 ° and 85 °, preferably between 4 ° and 70 °, especially preferably between 5 ° and 60 °.
3. Behälter nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das 3. Container according to one of the preceding claims, characterized in that the
Federrastelement (5) de Ausgießhilfe (4) als federelastischer, umlaufender Kragen (5b) ausgebildet ist.  Spring detent element (5) de pouring aid (4) as a resilient, circumferential collar (5b) is formed.
4. Behälter nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass an der Ausgießhilfe (4) ein Dichtring (8) angeformt ist, der im mit dem Haltering (3) geprellten Zustand an der nach innen gerichteten Umfangswand des Halterings (3) anliegt. 4. Container according to one of the preceding claims, characterized in that on the pouring aid (4) a sealing ring (8) is formed, which rests in the state with the retaining ring (3) bounced on the inwardly directed peripheral wall of the retaining ring (3).
5. Behälter nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das Mittel (6) zur lösbaren Verbindung der Ausgießhilfe (4) mit einer Verschlusskappe (7) als in der Ausgießhilfe (4) ausgeformten Innengewinde und als korrespondierendes Außengewinde in der Verschlusskappe (7) ausgebildet ist, so dass die Verschlusskappe (7) in die Ausgießhilfe (4) , insbesondere flüssigkeitsdicht, einschraubbar ist. 5. Container according to one of the preceding claims, characterized in that the means (6) for releasably connecting the pouring aid (4) with a closure cap (7) as in the pouring aid (4) formed internal thread and as a corresponding external thread in the closure cap (7 ) is formed, so that the closure cap (7) in the pouring aid (4), in particular liquid-tight, can be screwed.
6. Behälter nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Mittel (6) zur lösbaren Verbindung der Ausgießhilfe (4) mit einer Verschlusskappe (7) als von einem Benutzer lösbare Prellverbindung ausgebildet ist. 6. Container according to one of claims 1 to 4, characterized in that the means (6) for releasably connecting the pouring aid (4) with a closure cap (7) is formed as a user detachable bounce connection.
7. Verfahren zur Herstellung eines Behälters nach Anspruch 1 , umfassend die folgenden Schritte A method of manufacturing a container according to claim 1, comprising the following steps
a) Bereitstellung eines Preforms mit einer gewindelose, kreisrunde Behälteröffnung (2) an deren nach Außen gerichtetem distalen Ende ein zylinderförmiger Haltering (3) angeformt ist, dessen äußerer Durchmesser (Dh) größer ist als der äußere  a) providing a preform with a threadless, circular container opening (2) at the outwardly directed distal end of a cylindrical retaining ring (3) is formed, whose outer diameter (Dh) is greater than the outer
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,  Diameter (Db) of the container opening (2), so that the container opening (2) relative to the retaining ring (3) to the central axis of the container opening (2) and the retaining ring (3) is set back inside,
b) Aufblasen des Preforms zu einem Behälter mit einer gewindelose, kreisrunde  b) Inflating the preform to a container with a threadless, circular
Behälteröffnung (2) an deren nach Außen gerichtetem distalen Ende ein  Container opening (2) at the distal end directed to the outside
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 cylindrical retaining ring (3) is formed, whose outer diameter (Dh) is greater than the outer diameter (Db) of the container opening (2), so that the container opening (2) opposite the retaining ring (3) to the central axis of the container opening
(2) bzw. des Halterings (3) nach Innen zurückversetzt ist, (2) or the retaining ring (3) is set back inwards,
c) Aufprellen einer im Wesentlichen zylinderförmigen Ausgießhilfe (4) auf den Haltering c) bouncing a substantially cylindrical pouring aid (4) on the retaining ring
(3) des Behälters (1) , wobei die Ausgießhilfe (4) wenigstens an einem distalen Ende ein Federrastelement (5) aufweist, wobei das Federrastelement (5) und der Haltering (3) derart 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. (3) of the container (1), wherein the pouring aid (4) has at least at one distal end a spring detent element (5), wherein the spring detent element (5) and the retaining ring (3) are configured such that by bouncing the pouring aid (4 ) on the retaining ring (3) a liquid-tight, non-detachable connection for a user is formed, and at its other distal end means (6) for releasably connecting the pouring aid (4) with a closure cap (7).
8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass die Verschlusskappe (7) bereits mit der Ausgießhilfe (4) im Verfahrensschritt c) verbunden ist 8. The method according to claim 7, characterized in that the closure cap (7) is already connected to the pouring aid (4) in step c)
9. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass die Verschlusskappe (7) in einem dem Verfahrensschritt folgendem Verfahrensschritt d) mit der Ausgießhilfe (4) verbunden wird. 9. The method according to claim 7, characterized in that the closure cap (7) in a method step following step d) with the pouring aid (4) is connected.
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 true EP2661399A1 (en) 2013-11-13
EP2661399B1 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)

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US9027798B2 (en) * 2013-03-15 2015-05-12 Allway Tools, Inc. Pouring adaptor assembly compatible with multiple bucket lid configurations

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Also Published As

Publication number Publication date
ES2535803T3 (en) 2015-05-18
WO2013000586A1 (en) 2013-01-03
US20140103070A1 (en) 2014-04-17
PL2661399T3 (en) 2015-08-31
DE102011078099A1 (en) 2012-12-27
EP2661399B1 (en) 2015-03-18

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