EP0580830A1 - Safety closure for kegs. - Google Patents

Safety closure for kegs.

Info

Publication number
EP0580830A1
EP0580830A1 EP93902026A EP93902026A EP0580830A1 EP 0580830 A1 EP0580830 A1 EP 0580830A1 EP 93902026 A EP93902026 A EP 93902026A EP 93902026 A EP93902026 A EP 93902026A EP 0580830 A1 EP0580830 A1 EP 0580830A1
Authority
EP
European Patent Office
Prior art keywords
closure
wedge
safety
zones
keg
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
EP93902026A
Other languages
German (de)
French (fr)
Other versions
EP0580830B1 (en
Inventor
Ernst Wiedmer
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.)
EWIT AG
Original Assignee
EWIT AG
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 EWIT AG filed Critical EWIT AG
Publication of EP0580830A1 publication Critical patent/EP0580830A1/en
Application granted granted Critical
Publication of EP0580830B1 publication Critical patent/EP0580830B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/46—Snap-on caps or cap-like covers
    • B65D41/48—Snap-on caps or cap-like covers non-metallic, e.g. made of paper or plastics
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/024—Closures in which a part has to be ruptured to gain access to the contents

Definitions

  • This invention relates to a safety keg closure.
  • Liquids, especially beverages, are currently transported and stored under pressure in kegs.
  • the container is installed at the distribution point and connected to the distribution device. When the beverage is distributed, it is expelled from the container under pressure.
  • the container has an outlet to which - without loss of pressure - the distribution device is to be connected; the outlet mentioned must therefore be protected during transport and storage of the pressure vessel.
  • this protection should include, in addition to protection against damage to the outlet, both the opening guarantee and the possibility of putting the protective closure back on.
  • the safety keg closure according to the invention achieves this object.
  • Closures of a similar type are also known from the patent literature:
  • the snap lock according to GB-A 2097 768 has a tear-off flap which has to be torn open the first time it is opened. Tear-off flaps are themselves always a source of uncertainty and the closure opened in this way cannot be used again (line 100).
  • the security lock according to US-A 4828 128 also has a tear-off tab. After tearing it off, the closure can be used again, but this requires several continuous inner wedge rings. In addition, the entire lowermost ring is removed and thrown away at the first opening together with the tear-off tab.
  • US-A 4934546 is also a safety snap fastener, again with a tear-off flap, which is removed and discarded when it is first opened together with the lowest jacket ring of the fastener. The remaining closure can be used again.
  • a solution without separating the closure parts is also obviously more ecological, especially since the remelting of today Molded parts made of polyolefins is a technically solved problem.
  • the safety keg closure 1 according to the invention for wedge parts 1.3 on liquid pressure containers with closure lid 1.1 and closure jacket 1.2 is characterized by wedge parts 1.3 attached to the inner wall of the closure shell, which are arranged at a distance from the closure lid and which snap into the upper edge of the container , are not arranged on the entire circumference of the jacket and are partially connected to the closure via zones with reduced tear resistance 1.4.
  • Eight symmetrically arranged wedge parts can be provided, four of which are alternately connected to the closure via zones with reduced tensile strength. However, four symmetrically arranged wedge parts are preferably provided, two of which are alternately connected to the closure via zones with reduced tensile strength.
  • the zones with reduced tensile strength are usually designed in the form of webs / cavities between the wedge parts and the closure body, each web being reinforced, so that the wedge part does not completely detach from the closure when the zones mentioned are torn open.
  • the wedge portions normally correspond to central angle openings of approx. 20 or approx. 40.
  • the new safety keg closures consist of pressure-sprayable elastomers, especially polyolefins, preferably polyethylene or polypropylene.
  • the safety kegs mentioned are manufactured using a multi-part, quick-opening injection mold.
  • Fig. La sectional view of the safety keg closure according to the invention according to claim 3 (section through axis);
  • Fig. 2 sectional view (schematic) d'es outlet neck of a liquid pressure vessel.
  • FIG. 1 a shows a schematic representation in section through the axis of the safety keg closure 1 according to the invention with four wedge sections; the proportions do not correspond to the actual ones.
  • the closing jacket 1.2 connects to the closing cover 1.1.
  • the wedge parts 1.3 are attached to the inside of the sealing jacket, offset from the sealing cover. The wedges are designed so that they snap under the final thickening of the neck around the container outlet.
  • FIG. 2 shows a schematic section through the longitudinal axis of the outlet neck 2 on the liquid pressure container.
  • 2.1 denotes the actual neck of the container and 2.2 denotes a neck wedge reinforced all around.
  • the end mentioned does not need to be specially wedge-shaped, it can also be semicircular or the like. his. In any case, such closures are designed such that the closure by means of wedge parts or the like. can be anchored underneath.
  • the safety keg closure according to the invention after the first opening, i.e. after tearing open some or all of the wedge parts, it can be applied again to the outlet neck of the liquid pressure vessel, where it continues to act as a covering and protection against mechanical influences on the pressure connection part.
  • the keg closure according to the invention described above can of course be modified within the scope of technical optimization without falling outside the scope of the patent.
  • the wedge part can be realized in the form of individual small wedges (material saving).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Saccharide Compounds (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Medicinal Preparation (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The keg safety closure (1) proposed is designed to protect and secure the outlet port of a pressurized-liquid container. Fitted to the inside of the side wall (1.2) of the closure are wedge elements (1.3), located a certain distance away from the closure cover (1.1), which snap into the outer rim of the outlet port. The wedge elements are disposed at intervals, and not continuously, round the side wall, and are partly connected to the closure by means of zones (1.4) of lower tear strength.

Description

SICHERHEITS-KEGVERSCHLUSSSECURITY KEGLOCK
Diese Erfindung betrifft einen Sicherheits-Kegverschluss.This invention relates to a safety keg closure.
In Kegs werden derzeit Flüssigkeiten, speziell Getränke, unter Druck transportiert und gelagert. Am Verteilort wird der Behälter installiert und an die Verteilvorrichtung angeschlossen. Bei der Verteilung des Getränkes wird dieses unter Druck aus dem Behälter ausgestossen.Liquids, especially beverages, are currently transported and stored under pressure in kegs. The container is installed at the distribution point and connected to the distribution device. When the beverage is distributed, it is expelled from the container under pressure.
Der Behälter weist einen Austritt auf, an den - ohne Druckverlust - die Verteileinrichtung anzuschliessen ist; der genannte Austritt ist daher während des Transportes und der Lagerung des Druckbehäl- ters zu schützen.The container has an outlet to which - without loss of pressure - the distribution device is to be connected; the outlet mentioned must therefore be protected during transport and storage of the pressure vessel.
Dieser Schutz sollte, aufgrund auch von allgemeinen Sicherheits¬ überlegungen, neben dem Schutz vor Beschädigungen des Austrittes sowohl die E stöffnungsgarantie als auch die Möglichkeit des Wiederaufsetzens des Schutzverschlusses umfassen. Diese Aufgabe löst der erfindungsgemässe Sicherheits-Kegverschluss.Due to general safety considerations, this protection should include, in addition to protection against damage to the outlet, both the opening guarantee and the possibility of putting the protective closure back on. The safety keg closure according to the invention achieves this object.
Verschlüsse ähnlicher Art sind auch aus der Patentliteratur bekannt: Der Schnapp-Verschluss gemäss der GB-A 2097 768 weist einen Ab¬ reisslappen auf, welcher beim ersten Oeffnen aufgerissen werden muss. Abreisslappen stellen aber immer selbst schon eine Unsicher- heitsquelle dar und der so geöffnete Verschluss kann nicht wieder verwendet werden (Z. 100).Closures of a similar type are also known from the patent literature: The snap lock according to GB-A 2097 768 has a tear-off flap which has to be torn open the first time it is opened. Tear-off flaps are themselves always a source of uncertainty and the closure opened in this way cannot be used again (line 100).
Auch der Sicherheits-Verschluss gemäss der US-A 4828 128 weist einen Abreisslappen auf. Nach dem Abreissen desselben kann der Verschluss zwar wieder verwendet werden, dies bedingt jedoch mehrere durchgehende innere Keilringe. Zudem wird bei der Erst¬ öffnung zusammen mit dem Abreisslappen der gesamte unterste Ring entfernt und weggeworfen.The security lock according to US-A 4828 128 also has a tear-off tab. After tearing it off, the closure can be used again, but this requires several continuous inner wedge rings. In addition, the entire lowermost ring is removed and thrown away at the first opening together with the tear-off tab.
Gegenstand der US-A 4934546 schliesslich ist ebenfalls ein Sicherheits-Schnappverschluss, wiederum mit einem Abreisslappen, welcher bei der Erstöffnung zusammen mit dem untersten Mantelring des Verschlusses entfernt und weggeworfen wird. Der Restverschiuss kann wieder verwendet werden.Finally, the subject of US-A 4934546 is also a safety snap fastener, again with a tear-off flap, which is removed and discarded when it is first opened together with the lowest jacket ring of the fastener. The remaining closure can be used again.
Im Gegensatz zu den angegebenen Lösungen gemäss dem Stand derIn contrast to the solutions given according to the state of the
Technik erlaubt es der erfindungsgemässe Sicherheits-KegverschlussTechnology allows the safety keg closure according to the invention
- auch für den Fachmann nicht ohne weiteres voraussehbar -- not easily foreseeable even for the specialist -
- ohne Abreisslappen und somit ohne Materialverlust bei der Erst- Öffnung auszukommen, sowie- without tear-off tabs and thus without material loss when opening for the first time, and
- in einer technisch stark vereinfachten Form allen drei Anforde¬ rungen, d.h. derjenigen nach dem mechanischen Schutz des Aus¬ trittes, derjenigen nach der Erstöffnungsgarantie und derjenigen der Wiederverwertung,- in a technically greatly simplified form all three requirements, i.e. that after the mechanical protection of the outlet, that after the opening guarantee and that after recycling,
zu genügen.to suffice.
Eine Lösung ohne Abtrennung von Verschlussteilen ist zudem offen- sichtlich ökologischer, zumal heute das Wieder-Einschmelzen von Formteilen aus Polyolefinen ein technisch gelöstes Problem ist.A solution without separating the closure parts is also obviously more ecological, especially since the remelting of today Molded parts made of polyolefins is a technically solved problem.
Der erfindungsgemässe Sicherheits-Kegverschluss 1 für auf Flüssig- keits-Druckbehälter mit Verschlussdeckel 1.1 und Verschlussmantel 1.2 ist gekennzeichnet durch an der Innenwand des Verschluss¬ mantels angebrachte, vom Verschlussdeckel abgesetzt angeordnete, in den Behälter-Oberrand einrastende Keilteile 1.3, welche Keil¬ teile abschnittweise, nicht am gesamten Mantelumfang angeordnet sind und zum Teil über Zonen mit verringerter Reissfestigkeit 1.4 mit dem Verschluss verbunden sind.The safety keg closure 1 according to the invention for wedge parts 1.3 on liquid pressure containers with closure lid 1.1 and closure jacket 1.2 is characterized by wedge parts 1.3 attached to the inner wall of the closure shell, which are arranged at a distance from the closure lid and which snap into the upper edge of the container , are not arranged on the entire circumference of the jacket and are partially connected to the closure via zones with reduced tear resistance 1.4.
Es können dabei acht symmetrisch angeordnete Keilteile vorgesehen sein, von denen abwechslungsweise vier über Zonen mit verringerter Reissfestigkeit mit dem Verschluss verbunden sind. Bevorzugter- weise sind jedoch vier symmetrisch angeordnete Keilteile vorge¬ sehen, von denen abwechslungsweise zwei über Zonen mit verringer¬ ter Reissfestigkeit mit dem Verschluss verbunden sind.Eight symmetrically arranged wedge parts can be provided, four of which are alternately connected to the closure via zones with reduced tensile strength. However, four symmetrically arranged wedge parts are preferably provided, two of which are alternately connected to the closure via zones with reduced tensile strength.
Die Zonen mit verringerter Reissfestigkeit sind üblicherweise in Form von Stegen/Hohlräumen zwischen den Keilteilen und dem Ver¬ schlusskörper ausgebildet, wobei jeweils ein Steg verstärkt ausge¬ führt ist, wodurch - beim Aufreissen der genannten Zonen - der Keilteil sich nicht vollständig vom Verschluss löst.The zones with reduced tensile strength are usually designed in the form of webs / cavities between the wedge parts and the closure body, each web being reinforced, so that the wedge part does not completely detach from the closure when the zones mentioned are torn open.
Die Keilportionen entsprechen normalerweise Zentral-Winkel- Öffnungen von ca. 20 bzw. ca. 40 .The wedge portions normally correspond to central angle openings of approx. 20 or approx. 40.
Die neuen Sicherheits-Kegverschlüsse bestehen aus druckspritzbaren Elastomeren, speziell Polyolefinen, bevorzugterweise Polyäthylen oder Polypropylen.The new safety keg closures consist of pressure-sprayable elastomers, especially polyolefins, preferably polyethylene or polypropylene.
Hergestellt werden die genannten Sicherheits-Kegverschlüsse mittels einer mehrteiligen, rasch zu öffnenden Spritzform.The safety kegs mentioned are manufactured using a multi-part, quick-opening injection mold.
Der erfindungsgemässe Sicherheits-Kegverschluss wird nun anhand der Ausführungsform gemäss den beiliegenden Figuren 1 und 2 beispielhaft im Detail beschrieben. Dabei stellen die Figuren folgendes dar:The safety keg closure according to the invention is now based on the embodiment according to the accompanying Figures 1 and 2 described by way of example in detail. The figures represent the following:
Fig. la: Schnittdarstellung des erfindungsgemässen Sicherheits- Kegverschlusses gemäss dem Patentanspruch 3 (Schnitt durch Achse);Fig. La: sectional view of the safety keg closure according to the invention according to claim 3 (section through axis);
Fig. 1b: Oben- und Durchsichtsdarstellung des gleichen Sicher- heits-Kegverschlusses;1b: top and see-through representation of the same security keg closure;
Fig. 1c: An- und Durchsichtsdarstellung desselben Sicherheits- Kegverschlusses;1c: View and see-through representation of the same security keg closure;
Fig. 2: Schnittdarstellung (schematisch) d'es Austritts-Halses eines Flüssigkeits-Druckbehälters.Fig. 2: sectional view (schematic) d'es outlet neck of a liquid pressure vessel.
Die Figur la zeigt, wie gesagt, eine schematische Darstellung im Schnitt durch die Achse des erfindungsgemässen Sicherheits-Kegver- Schlusses 1 mit vier Keilabschnitten; die Grössenverhältnisse entsprechen nicht den tatsächlichen. Am Verschlussdeckel 1.1 schliesst der Verschlussmantel 1.2 an. Die Keilteile 1.3 sind an der Innenseite des Verschlussmantels, versetzt vom Verschluss¬ deckel, angebracht. Die Keile sind so ausgebildet, dass sie unter der Endverdickung des Halses um den Behälteraustritt einrasten.As said, FIG. 1 a shows a schematic representation in section through the axis of the safety keg closure 1 according to the invention with four wedge sections; the proportions do not correspond to the actual ones. The closing jacket 1.2 connects to the closing cover 1.1. The wedge parts 1.3 are attached to the inside of the sealing jacket, offset from the sealing cover. The wedges are designed so that they snap under the final thickening of the neck around the container outlet.
In der Oben- und Durchsichtsdarstellung gemäss der Figur 1b sind der Verschlussmantel 1.2 und die vier Keil-Teile 1.3 ersichtlich.1b and the four wedge parts 1.3 can be seen.
In der Figur 1c, d.h. in der An- und Durchsichtsdarstellung des gesamten Sicherheits-Kegverschlusses gemäss dem Patentanspruch 3, sind wiederum der Verschlussmantel 1.2 und zwei Keil-Teile 1.3 ersichtlich (die andern zwei Keil-Teile sind nicht eingezeichnet), Um den in der Figur rechts dargestellten Keil-Teil ist eine Zone verringerter Reissfestigkeit 1.4 dargestellt. Diese kann z.B. mittels Stegen/Hohlräumen oder auch mittels verringerter Wand¬ stärke realisiert sein. In beiden Fällen wäre aber darauf zu achten, dass zumindest an einer Stelle der Zone verringerter Reissfestigkeit ein Steg, bzw. ein Abschnitt der Verbindungswand die übliche Stärke aufweist, sodass der Keilteil, nach dem Auf¬ reissen der Zone verringerter Reissfestigkeit, an der genannten Stelle mit dem Verschluss verbunden bleibt. Auch nach dem erst¬ maligen Oeffnen des erfindungsgemässen Sicherheits-Kegverschlusses verbleibt dieser also an einem Stück.In Figure 1c, ie in the view and see-through representation of the entire safety keg closure according to claim 3, the closure jacket 1.2 and two wedge parts 1.3 can be seen again (the other two wedge parts are not shown) The wedge part shown on the right shows a zone of reduced tensile strength 1.4. This can, for example can be realized by means of webs / cavities or also by means of reduced wall thickness. In both cases, however, it should be ensured that at least at one point in the zone of reduced tensile strength, a web, or a section of the connecting wall, has the usual thickness, so that the wedge part, after tearing open the zone of reduced tensile strength, at the point mentioned remains connected to the clasp. Even after the safety keg closure according to the invention has been opened for the first time, it therefore remains in one piece.
Die Figur 2 schliesslich zeigt einen schematischen Schnitt durch die Längsachse des Austrittshalses 2 am Flüssigkeits-Druckbehäl- ter. Mit 2.1 ist der eigentliche Behälterhals und mit 2.2 ein rundum keilförmig verstärkter Halsabschluss bezeichnet. Der ge- nannte Abschluss braucht nicht speziell keilförmig zu sein, er kann auch eine Halbrundung o. . sein. Jedenfalls sind solche Abschlüsse derart ausgebildet, dass der Verschluss mittels Keilteilen o.a. darunter verankert werden kann.Finally, FIG. 2 shows a schematic section through the longitudinal axis of the outlet neck 2 on the liquid pressure container. 2.1 denotes the actual neck of the container and 2.2 denotes a neck wedge reinforced all around. The end mentioned does not need to be specially wedge-shaped, it can also be semicircular or the like. his. In any case, such closures are designed such that the closure by means of wedge parts or the like. can be anchored underneath.
Aus der genannten Darstellung folgt auch, dass der erfindungs¬ gemässe Sicherheits-Kegverschluss nach dem erstmaligen Oeffnen, d.h. nach dem Aufreissen einiger oder aller Keilteile, wieder auf den Austrittshals des Flüssigkeits-Druckbehälters aufgebracht werden kann, wo er weiterhin Bedeckungsfunktion und Schutz vor mechanischen Einwirkungen auf den Druckanschlussteil ausübt.It also follows from the illustration mentioned that the safety keg closure according to the invention after the first opening, i.e. after tearing open some or all of the wedge parts, it can be applied again to the outlet neck of the liquid pressure vessel, where it continues to act as a covering and protection against mechanical influences on the pressure connection part.
Der oben beschriebene erfindungsgemässe Keg-Verschluss kann selbstverständlich innerhalb des fachmännischen Optimierungs¬ vermögens abgeändert werden, ohne damit aus dem Patentbereich zu fallen. Z.B. kann der Keilteil in Form von einzelnen kleinen Keilen realisiert werden (Materialeinsparung). The keg closure according to the invention described above can of course be modified within the scope of technical optimization without falling outside the scope of the patent. For example, the wedge part can be realized in the form of individual small wedges (material saving).

Claims

PATENTANSPRUECHEPATENT CLAIMS
1. Sicherheits-Kegverschluss (1) für auf Flüssigkeits-Druckbehälter, der Verschluss mit Verschlussdeckel (1.1) und Verschlussmantel1. Safety keg lock (1) for on liquid pressure vessels, the lock with cover (1.1) and cover jacket
• (1.2), gekennzeichnet durch an der Innenwand des Verschlussmantels angebrachte, vom Verschlussdeckel abgesetzt angeordnete, in den Behälter-Oberrand einrastende Keilteile (1.3), welche Keilteile abschnittweise, nicht am gesamten Mantelumfang angeordnet sind und zum Teil über Zonen mit verringerter Reissfestigkeit (1.4) mit dem Verschluss verbunden sind. • (1.2), characterized by wedge parts (1.3) which are attached to the inner wall of the closure shell and which are arranged at a distance from the closure lid and engage in the upper edge of the container, which wedge parts are arranged in sections, not on the entire circumference of the shell and partly over zones with reduced tear resistance (1.4 ) are connected to the closure.
2. Sicherheits-Kegverschluss gemäss Patentanspruch 1, dadurch gekennzeichnet, dass acht symmetrisch angeordnete Keilteile vorgesehen sind, von denen abwechslungsweise vier über Zonen mit verringerter Reissfestigkeit mit dem Verschluss verbunden sind.2. Safety keg closure according to claim 1, characterized in that eight symmetrically arranged wedge parts are provided, four of which are alternately connected to the closure via zones with reduced tear resistance.
^Sicherheits-Kegverschluss gemäss Patentanspruch 1, dadurch gekennzeichnet, dass vier symmetrisch angeordnete Keilteile vorgesehen sind, von denen abwechslungsweise zwei über Zonen mit verringerter Reissfestigkeit mit dem Verschluss verbunden sind. 4_ Sicherheits-Kegverschluss gemäss Patentanspruch 1, dadurch gekennzeichnet, dass die Zonen mit verringerter Reissfestigkeit in Form von Stegen/Hohlräumen zwischen den Keilteilen und dem Verschlusskörper ausgebildet sind, wobei jeweils ein Steg ver¬ stärkt ausgeführt ist, wodurch - beim Aufreissen der genannten Zonen - der Keilteil sich nicht vollständig vom Verschluss löst.^ Safety keg fastener according to claim 1, characterized in that four symmetrically arranged wedge parts are provided, two of which are alternately connected to the fastener via zones with reduced tensile strength. 4_ Safety keg closure according to claim 1, characterized in that the zones with reduced tear resistance are designed in the form of webs / cavities between the wedge parts and the closure body, each web being reinforced, so that - when the zones mentioned are torn open - the wedge part does not come off the lock completely
5. Sicherheits-Kegverschluss gemäss den Patentansprüchen 3 bzw. 4, dadurch gekennzeichnet, dass die Keilportionen Zentral-Winkel- Öffnungen von ca. 20° bzw. ca. 40° entsprechen.5. Safety keg closure according to claims 3 and 4, characterized in that the wedge portions correspond to central angle openings of approximately 20 ° or approximately 40 °.
( _ Sicherheits-Kegverschluss gemäss allen vorangehenden Patentan- Sprüchen, dadurch gekennzeichnet, dass er aus druckspritzbaren Elastomeren, speziell Polyolefinen, bevorzugterweise Polyäthylen oder Polypropylen, besteht.(_ Safety keg fastener according to all the preceding claims, characterized in that it consists of pressure-sprayable elastomers, especially polyolefins, preferably polyethylene or polypropylene.
7^ Sicherheits-Kegverschluss gemäss allen vorangehenden Patentan¬ sprüchen, dadurch gekennzeichnet, dass er mittels einer mehr¬ teiligen, schnell zu öffnenden Spritzform hergestellt werden kann. 7 ^ Safety keg closure according to all of the preceding claims, characterized in that it can be produced by means of a multi-part, quick-opening injection mold.
EP93902026A 1992-02-19 1993-02-08 Safety closure for kegs Expired - Lifetime EP0580830B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CH1992/000031 WO1993016934A1 (en) 1992-02-19 1992-02-19 Safety closure for kegs
WOPCT/CH92/00031 1992-02-19

Publications (2)

Publication Number Publication Date
EP0580830A1 true EP0580830A1 (en) 1994-02-02
EP0580830B1 EP0580830B1 (en) 1996-01-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP93902026A Expired - Lifetime EP0580830B1 (en) 1992-02-19 1993-02-08 Safety closure for kegs

Country Status (6)

Country Link
EP (1) EP0580830B1 (en)
AT (1) ATE132828T1 (en)
DE (1) DE59301394D1 (en)
ES (1) ES2082627T3 (en)
WO (2) WO1993016934A1 (en)
ZA (1) ZA931181B (en)

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* Cited by examiner, † Cited by third party
Title
See references of WO9316935A1 *

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Publication number Publication date
ATE132828T1 (en) 1996-01-15
ES2082627T3 (en) 1996-03-16
ZA931181B (en) 1993-09-16
EP0580830B1 (en) 1996-01-10
DE59301394D1 (en) 1996-02-22
WO1993016934A1 (en) 1993-09-02
WO1993016935A1 (en) 1993-09-02

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