EP0580830B1 - Fermeture de securite pour tonnelets - Google Patents

Fermeture de securite pour tonnelets Download PDF

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Publication number
EP0580830B1
EP0580830B1 EP93902026A EP93902026A EP0580830B1 EP 0580830 B1 EP0580830 B1 EP 0580830B1 EP 93902026 A EP93902026 A EP 93902026A EP 93902026 A EP93902026 A EP 93902026A EP 0580830 B1 EP0580830 B1 EP 0580830B1
Authority
EP
European Patent Office
Prior art keywords
closure
sealing
zones
safety
wedge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93902026A
Other languages
German (de)
English (en)
Other versions
EP0580830A1 (fr
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/fr
Application granted granted Critical
Publication of EP0580830B1 publication Critical patent/EP0580830B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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 cap.
  • 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 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 first opening guarantee and the possibility of putting the protective closure back on. This object is achieved by the safety keg closure cap according to the invention.
  • the container closure according to US Pat. No. 4,423,822 is basically a liquid-tight and possibly also a pressure-proof closure. It has a handle and in all embodiments Opening flap open; this is folded out of the closure for detachment (see figure), and the same is detached from the container by lifting on the flap.
  • the safety keg closure cap according to the invention is a protective cap (over a mechanical, tight pressure closure), which in any case indicates the first opening of the said pressure closure (the flap in the US patent can be closed again).
  • the safety keg closure cap has four or eight wedge parts 1.3 arranged symmetrically and offset from one another, of which alternately two or four are connected to the closure cylinder 1.2 alternately by means of tear strength 1.4 which is reduced over zones, i.e. are relatively easily at least partially separable therefrom.
  • the closure cylinder When opening the two or the four tear-open wedge parts 1.4 on the safety keg closure cap according to the invention, the closure cylinder is also cut through at two to four regularly distributed locations with sufficient strength that it can be removed relatively easily from the container and placed on it again. With the closure according to the US patent dealt with here, this happens only at one point.
  • a solution without separating the closure parts is also obviously more ecological, especially since the remelting of molded parts made of polyolefins is a technically solved problem.
  • the safety keg closure cap according to the invention for on liquid pressure containers the closure cap with the closure cover and the closure cylinder and with wedge parts which are attached to the inside wall of the closure cylinder and are arranged at a distance from the closure cover and snap into the upper edge of the container is characterized in that four or eight symmetrically arranged wedge parts are provided, of which two or four are alternately connected to the closure via zones with reduced tensile strength (1.4), the zones mentioned starting from the lower edge of the closure cylinder.
  • Said zones with reduced tear strength are preferably designed in the form of webs / cavities between the wedge parts and the locking cylinder, each web being reinforced, as a result of which, when the said zones are torn open, the wedge part does not completely detach from the closure.
  • the wedge portions advantageously include a circular arc angle of the locking cylinder of approximately 20 ° or approximately 40 °.
  • the safety keg closure cap mentioned consists of pressure-sprayable elastomers, especially polyolefins, preferably polyethylene or polypropylene.
  • FIG. 1a shows a schematic illustration in section through the axis of the safety keg closure cap according to the invention with four wedge sections; the proportions do not correspond to the actual ones.
  • the closing cylinder 1.2 connects to the closing cover 1.1.
  • the wedge parts 1.3 are attached to the inside of the lock cylinder, offset from the 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 above-mentioned end does not need to be specifically wedge-shaped, it can also be semicircular or the like. be. In any case, such degrees are like this trained that the closure cap by means of wedge parts or the like. can be anchored underneath.
  • the safety keg closure cap according to the invention after the first opening, i.e. after the zones have been torn open, it can be applied again to the outlet neck of the liquid pressure vessel, where it continues to have a covering function and protection against mechanical influences on the pressure connection part.
  • the above-described keg closure cap according to the invention 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)

Claims (4)

  1. Capuchon de fermeture de sécurité (1) pour un petit fût, à poser sur un récipient à liquide sous pression, le capuchon de fermeture comportant un couvercle de fermeture (1.1) et un cylindre de fermeture (1.2), ainsi que des éléments en coin (1.3) disposés sur la paroi intérieure du cylindre de fermeture, agencés en décalage par rapport au couvercle de fermeture, et enclenchés dans la bordure supérieure du récipient, caractérisé en ce qu'il est prévu quatre ou huit éléments en coin agencés de façon symétrique, dont deux ou quatre sont reliés en alternance à l'élément de fermeture via des zones présentant une moindre résistance à la déchirure (1.4), lesdites zones partant de la bordure inférieure du cylindre de fermeture.
  2. Capuchon de fermeture de sécurité pour un petit fût selon la revendication 1, caractérisé en ce que les zones présentant une moindre résistance à la déchirure (1.4) sont réalisées sous forme de barrettes/cavités entre les éléments en coin et le cylindre de fermeture, respectivement une barrette étant réalisée de façon renforcée, grâce à quoi l'élément en coin ne se détache pas entièrement de l'élément de fermeture lors de la déchirure desdites zones.
  3. Capuchon de fermeture de sécurité pour un petit fût selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que les segments en coin enferment un angle d'arc circulaire du cylindre de fermeture d'environ 20° ou d'environ 40°.
  4. Capuchon de fermeture de sécurité pour un petit fût selon toutes les revendications précédentes, caractérisé en ce qu'il est réalisé en élastomères susceptibles d'être injectés sous pression, spécialement en polyoléfines, de préférence en polyéthylène ou en polypropylène.
EP93902026A 1992-02-19 1993-02-08 Fermeture de securite pour tonnelets Expired - Lifetime EP0580830B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CH1992/000031 WO1993016934A1 (fr) 1992-02-19 1992-02-19 Fermeture de surete pour tonnelets
WOPCT/CH92/00031 1992-02-19

Publications (2)

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

Family

ID=4548101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93902026A Expired - Lifetime EP0580830B1 (fr) 1992-02-19 1993-02-08 Fermeture de securite pour tonnelets

Country Status (6)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29702142U1 (de) * 1997-02-07 1997-07-10 Dbi Plastics A S Verschluß für Bierfässer
FR2930525B1 (fr) * 2008-04-25 2013-04-26 Dinamic Emballages Capsule d'inviolabilite pour contenant de boisson, notamment fut de biere

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1423834A (en) * 1972-05-03 1976-02-04 Mardon Illingworth Container closure member and mould therefor
FR2258316A1 (en) * 1974-01-17 1975-08-18 Perrot Jean Plastic stopper for bottles containing liquid - has vertically spaced lips sealing against inside of bottle neck
US4055267A (en) * 1976-09-13 1977-10-25 Blair Richard L Cap for a widemouthed container
US4423822A (en) * 1982-04-01 1984-01-03 Continental White Cap. Inc. Closure cap with thumb actuated removal assisting tab
DE8414651U1 (de) * 1984-05-14 1985-07-25 Boetzkes, Klaus, 8940 Memmingen Verschlußkappe

Also Published As

Publication number Publication date
ATE132828T1 (de) 1996-01-15
ES2082627T3 (es) 1996-03-16
ZA931181B (en) 1993-09-16
DE59301394D1 (de) 1996-02-22
EP0580830A1 (fr) 1994-02-02
WO1993016934A1 (fr) 1993-09-02
WO1993016935A1 (fr) 1993-09-02

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