EP3728072B1 - Plastic container having an opening means - Google Patents

Plastic container having an opening means Download PDF

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Publication number
EP3728072B1
EP3728072B1 EP18816027.9A EP18816027A EP3728072B1 EP 3728072 B1 EP3728072 B1 EP 3728072B1 EP 18816027 A EP18816027 A EP 18816027A EP 3728072 B1 EP3728072 B1 EP 3728072B1
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EP
European Patent Office
Prior art keywords
container
wall
plastic
plastic container
opening
Prior art date
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Active
Application number
EP18816027.9A
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German (de)
French (fr)
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EP3728072A1 (en
Inventor
Rolf MÜHLEMANN
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Muehlemann IP GmbH
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Muehlemann IP GmbH
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Publication date
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Publication of EP3728072A1 publication Critical patent/EP3728072A1/en
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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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3205—Separate rigid or semi-rigid containers joined to each other at their external surfaces
    • B65D81/3211—Separate rigid or semi-rigid containers joined to each other at their external surfaces coaxially and provided with means facilitating admixture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/28—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • B65D51/2807—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container
    • B65D51/2814—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container the additional article or materials being released by piercing, cutting or tearing an element enclosing it
    • B65D51/2842—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container the additional article or materials being released by piercing, cutting or tearing an element enclosing it said element being provided with a preformed weakened line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • 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
    • B65D47/36—Closures with frangible parts adapted to be pierced, torn, or removed, to provide discharge openings
    • 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
    • B65D2217/00—Details of mixing containers or closures

Definitions

  • the invention relates to a plastic container with opening means comprising a container body and a container cover.
  • a plastic container is known in each case, which has an integrated dispensing device in a container chamber for dispensing substrates accommodated in the container chamber into a mixing container.
  • the plastic container is often designed as a container closure or is placed on a mixing container opening when used. When the dispensing device is actuated, the container is opened and the substrate is dispensed from the container chamber into the mixing container.
  • the plastic containers each comprise a container body, a punch and a sealing film.
  • the container body forms the container interior, respectively. the container chamber for receiving solid or liquid substrates, such as solid, granulated or liquid active ingredients, beverage additives, reagents, etc., which is closed by the sealing film.
  • the piercer is movably accommodated in such a way that actuation of the piercer moves it in the direction of the sealing foil and thereby severs the sealing foil.
  • the substrate received in the interior of the container can escape from the container.
  • the piercer can be actuated by means of a flexible, curved membrane, or part of the piercer is guided through the container wall in a sealing manner and can be actuated directly.
  • US6003728 shows an alternative to the sealing film.
  • the container chamber is replaced by a lower closure lid that can be pushed open of the sealing foil, which is positively received by means of a circumferential bead in a groove of the container wall.
  • the closure lid can be connected to the container wall via a narrow hinge bridge and, in the open position, protrudes essentially vertically into the mixing container.
  • the piercer acts centrally on the closure cap.
  • the closure lid must be pressed out of the snap-in connection with a relatively large amount of force and then "jumps" into the open position. It can happen that the hinge bridge breaks and the sealing lid falls into the mixing container.
  • U.S. 2006/081646 A1 shows a container according to the preamble of claim 1.
  • a disadvantage of the known plastic containers is that they are composed of several parts which are manufactured separately and then assembled in a further process step. This costs time and money.
  • a further disadvantage of the known container devices is that the severed film or the pivoted-out closure lid are often immersed in the liquid in the mixing container and remain in this open position. It is then almost impossible to cleanly remove the plastic container from the mixing container. Also, the design of the known containers with an integrated dispensing device is usually complex and expensive. In addition, tearing or cutting open the sealing film cannot be controlled and the handling of the plastic container is therefore prone to errors.
  • Another disadvantage with the known containers is that the substrate is discharged in an uncontrolled manner and frequently along the peripheral edge area. It can happen that, for example, powdery or granular substrate sticks to the inner surface of the mixing container neck and is not completely and cleanly discharged into the mixing container.
  • An object of the invention is to overcome disadvantages of the prior art.
  • it is the object of the invention to enable more cost-efficient production.
  • the plastic container includes a container body, a container cover, and opening means for opening the container cover.
  • the container body comprises a container wall and a container base arranged in a lower region, with a container opening being formed at an upper end of the container body opposite the container base.
  • the container body includes a peripheral upper border.
  • the container cover for covering the container opening is attachable to the upper rim of the container body.
  • the top rim is spaced radially outwardly from a top edge of the container wall with respect to a container axis.
  • the upper border is connected to the container wall via an articulated connection section, the articulated connection section allowing the upper border to be displaced relative to the container wall and the opening means, so that the plastic container can be brought from a closed position into an open position.
  • the relative displacement causes the opening means, which is operatively connected to the container wall, to open the container cover to be pressed against the container cover, which is operatively connected in a stationary manner to the upper border.
  • the articulated connecting element enables simple production of a plastic container with an integrated dispensing or opening device for a substrate accommodated in the plastic container, with the container body and container cover defining a container interior for the substrate.
  • an upper edge of the container wall can be designed as an opening means for the container cover, as will be explained further below.
  • a separate opening means e.g. a piercer, in the interior of the container.
  • the container axis is defined centrally by the container bottom and the container opening, with the container wall not having to be circular-cylindrical around the container axis, but can also have other shapes.
  • the opening means in the closed position below the container cover, respectively. lying within the container and in the open position offset upwards in such a way that the container cover is cut, pierced or pressed open.
  • the articulated connecting section is essentially loop-shaped or U-shaped when viewed in cross-section in the closed position.
  • the articulated, loop-shaped or U-shaped connecting section When the upper border is displaced into the open position, the articulated, loop-shaped or U-shaped connecting section is stretched. In doing so, it can generate a restoring force in order to promote a return displacement of the upper border into the closed position.
  • the maximum displacement can correspond approximately to the length of the connecting section, i.e. approximately twice the length of a leg of the loop or U-shaped connecting section.
  • the articulated connection section can be designed as a flexible and/or elastic thin area. As a rule, the articulated connection section is thinner than a standard wall thickness of the container wall. Container wall and upper border can essentially have the same wall thickness.
  • the top border may form a wall that is substantially parallel to the container wall.
  • the lower end of the wall may be connected to the hinged connection section.
  • a circumferential outwardly directed flange may be formed at the top of the wall.
  • the top skirt may be integrally molded to the container wall via the connecting portion.
  • the container body can be made in one piece, e.g.
  • the container cover may be a container lid with multiple flaps and the top edge of the container wall forming the opening means. This can, for example, be arranged and designed in such a way that it can push open the container lid that has a plurality of flaps.
  • the opening means projects upwardly, i.e. towards the container lid, in relation to a shoulder region of the hinged connection portion.
  • Such a container lid can have a peripheral fastening edge and a plurality of flaps each connected to the fastening edge via a hinge, the displacement of the opening means in the direction of the container lid causing the caps to deflect about the respective hinge.
  • the multiple flaps through slots in the container lid, respectively.
  • Slits may be formed in the top surface of the container lid, which form a plurality of sectors of the container lid.
  • the sectors can be tapered sectors whose tips meet at the longitudinal axis of the plastic container. Preference is given to uniform resp. Uniform sectors of a circle, so that a flat circular area of the container lid is divided into at least three equal sectors of a circle.
  • the container lid opens from the middle and thus guarantees a controlled release of the substrate. Webs bridging the slits can be present between the flaps and form predetermined breaking points.
  • the hinge can be designed in such a way that a restoring force acts on the flap when the container lid is in the open state.
  • the hinge can, for example, be in the form of an arc, in particular an arc of a circle.
  • a restoring force acts on the pivoted-out, open flap and after the opening means has been pulled back, the flap moves back into the closed position. The capsule can now be removed cleanly from the mixing container.
  • the opening means which is preferably formed by the upper edge of the container wall, can have a front stop surface which, when the plastic container is actuated, presses against the plurality of flaps and causes these flaps to swing out.
  • the stop surface can also be formed from several (partial) stop surfaces.
  • the stop surface is preferably designed in the shape of a ring or the plurality of (partial) stop surfaces are arranged in a ring shape. As a rule, each stop face is offset radially inwards with respect to a respective hinge.
  • annular stop surface is offset radially inwards with respect to the plurality of film hinges or the plurality of stop surfaces arranged in a ring shape are offset radially inwards with respect to the plurality of film hinges.
  • the diameter of an annular abutment surface or a plurality of abutment surfaces arranged in a ring shape is less than the distance of the hinges from the center point of the ring shape.
  • the stop surface hits the flap as close as possible to the film hinge, but still far enough away from it so that there is sufficient leverage to press open the flaps.
  • the flaps can almost completely, ie up to almost 90 ° with respect to the means of a small movement of the opening means level starting position can be swung out.
  • the swiveling out is at least 60° when the opening means is moved completely forward.
  • the container cover can be a sealing foil and the opening means can be designed as a cutting edge.
  • the sealing film can be attached to an outwardly directed flange of the upper border.
  • the top skirt or flange may include a support surface for supporting the plastic container to effect displacement across a mixing container opening of a mixing container.
  • the upper border can have a peripheral skirt with a thread, preferably an internal thread, with which the plastic container can be screwed onto a mixing container.
  • the opening means can be a piercer arranged in the interior space, which is supported against the container wall or the container bottom.
  • Figures 1 to 3 show a plastic container with an integrated opening mechanism. 4 shows a section of the plastic container in an open position and a closed position.
  • the plastic container comprises a container body 1 and a container cover 2 (in Figures 1 and 2 shown partially cut).
  • the container body 1 comprises a container wall 3 with a container bottom 4 at the lower end and a container opening 5 at the upper end.
  • the container wall 3 has an essentially conical shape.
  • the container wall further includes a peripheral, upper border 6.
  • the border 6 is designed as a wall 61 extending parallel to the container wall 3, which has a height of 5 to 15 mm, for example.
  • the skirt 6 comprises at the upper end of the wall 61 a radially outwardly directed flange 62 with a peripheral downwardly directed skirt 63 for reinforcement.
  • the border 6 is connected to the container wall 3 via an articulated connecting section 8 .
  • the articulated connecting section 8 has a loop-shaped or U-shaped cross section.
  • the container wall 3 and the border 6 have essentially the same wall thickness.
  • the connecting portion 8 is thinner than the container wall 3, respectively. the border 6 designed.
  • the connecting section 8 is so flexible that the border 6 relative to the container wall 3 from a closed position ( Fig.4(a) ) into an open position ( Fig.4(b) ) is movable.
  • the container wall 3 extends further upwards and forms at its upper edge 7 the opening means 9 off.
  • the upper edge 7 lies below a plane defined by the flange 62 .
  • the loop or U-shaped, articulated connecting section 8 is connected to the two end areas on the container wall 3, respectively. the upper border 6 connected. In the closed position, the two ends are essentially at the same height. In the open position they are moved away from each other and the hinged connection portion 87 is stretched.
  • the container cover 2 is a container lid 2' with a plurality of flaps 24 for covering the container opening 5 and has a peripheral attachment rim 21.
  • a container lid 2' is described in the Swiss patent application entitled "Capsule with integrated dispensing device" by the same applicant and with the same filing date, the content of which is hereby incorporated into this application.
  • the container lid 2' can be fastened with the fastening edge 21 directly to the border 6, or—as in the embodiment shown—on the peripheral fastening edge 21 have a circumferential, downward-pointing skirt 22 with a circumferential bead 23 arranged on its outer surface.
  • the circumferential bead 23 snaps into a complementary groove 64 arranged on the inner surface of the wall 61 of the border 6 .
  • flaps 24 are formed in the shape of uniform circular sectors by means of continuous slots 25 in the lid surface. These flaps 24 are each connected via a hinge 26, preferably a film hinge, to the fastening edge 21 of the container lid 2'. Between the flaps 24 the slots 25 bridging holding webs can be present, which form predetermined breaking points. Instead of the slits, predetermined breaking points in the form of thin areas are also possible.
  • a detailed view of the articulated connection section 7 is shown at (a) in a closed position and at (b) in an open position.
  • the border 6 is in relation to the container wall 3 resp.
  • the opening means 9 in an upper position, in which the articulated connecting portion 8 has a loop-shaped or U-shaped cross-section and the upper edge 7 of the container wall 3, respectively.
  • the opening means 9 is below an area defined by the flange.
  • the opening means 9 is covered by the container lid 2'.
  • the border 6, to which the container lid 2' is fastened is pushed down along the container axis A in the direction of the container bottom 4. This can be done, for example, by pressing the plastic container with the flange 62, which at the same time forms a support surface 65, onto the neck of a mixing container.
  • the opening means 9 move relative to the container lid 2 ′ and press open its flaps 24 with the upper edge 7 . In the open position, the opening means 9 project beyond the flange 62 of the border 6.
  • the articulated connecting section 8, which is designed to be flexible, is stretched (cf. Fig.4(b) ). The maximum displacement corresponds approximately to the length of the connecting section 8, respectively. twice the length of one leg of the U-shape.
  • the film hinges 26 on the container lid 2' which each hold the flaps 24 on the container lid 2', can be designed in an arc shape (cf. 1 ). This means that a restoring force acts on the flap 24 when it is pivoted out, ie in the open position. If the opening means 9 is withdrawn again, the flaps 24 also close at least partially.
  • the container bottom 4 is curved outwards. At the lower end of the container wall 3 an apron 31 projecting beyond the container bottom 4 is formed.
  • FIG 5 the plastic container is off 1 shown with the container lid 2' partially open.
  • the flaps 24 are pivoted about the film hinges 26 to the outside.
  • FIG. 6 shows a detailed view of a plastic container with a sealing film 2" as the container cover 2.
  • the sealing film 2" is attached to the upper border 6, for example by being welded onto the flange of the border 6.
  • the opening means 9 can be designed as a cutting edge, e.g. by cutting the upper edge 7 of the container body 1 resp. of the container wall 3 forms the cutting edge. A relative displacement of the cutting edge from the closed position of the plastic container to its open position causes the sealing film 2" to be cut through.
  • FIG. 7 and 8 also show a perspective view and a detailed view of a plastic container with a sealing film 2", whereby in 7 the sealing film 2" is not shown.
  • the opening means 9 is provided with at least one piercing means 10 .
  • the opening means 9 is designed in such a way that it is operatively connected to the container wall 3 . A relative displacement of the piercing means 10 from the closed position of the plastic container to its open position causes the sealing foil 2" to be pierced.
  • the opening means 9 rests on the upper edge 7 of the container wall 3. It can also be attached to the container wall 3, e.g. by means of locking means.
  • the opening means 9 can be in the form of a filter plate with filter openings 11, for example.
  • the filter openings can be covered with a filter paper.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Description

Technisches Gebiettechnical field

Die Erfindung betrifft einen Kunststoffbehälter mit Öffnungsmittel umfassend einen Behälterkörper und eine Behälterabdeckung.The invention relates to a plastic container with opening means comprising a container body and a container cover.

Technischer HintergrundTechnical background

Aus WO2012048922 , CH700312 , WO2006046730 , WO03093128 , US6705462 , US6886686 , US4247001 und US2008067172 sind jeweils ein Kunststoffbehälter bekannt, welche in einer Behälterkammer eine integrierte Abgabeeinrichtung zur Abgabe von in der Behälterkammer aufgenommenen Substraten in einen Mischbehälter aufweist. Der Kunststoffbehälter ist häufig als Behälterverschluss ausgebildet oder wird bei Verwendung auf eine Mischbehälteröffnung aufgesetzt. Bei Betätigung der Abgabeeinrichtung wird der Behälter geöffnet und das Substrat aus der Behälterkammer in den Mischbehälter abgegeben.Out of WO2012048922 , CH700312 , WO2006046730 , WO03093128 , US6705462 , US6886686 , US4247001 and US2008067172 a plastic container is known in each case, which has an integrated dispensing device in a container chamber for dispensing substrates accommodated in the container chamber into a mixing container. The plastic container is often designed as a container closure or is placed on a mixing container opening when used. When the dispensing device is actuated, the container is opened and the substrate is dispensed from the container chamber into the mixing container.

Die Kunstoffbehälter umfassen jeweils einen Behälterkörper, einen Durchstosser und eine Siegelfolie. Dabei bildet der Behälterkörper den Behälterinnenraum resp. die Behälterkammer zur Aufnahme von festen oder flüssigen Substraten, wie beispielsweise feste, rieselförmige oder flüssige Wirkstoffe, Getränkezusätze, Reagenzien, etc., aus, welcher durch die Siegelfolie verschlossen ist. Im Behälterinnenraum ist der Durchstosser derart bewegbar aufgenommen, das eine Betätigung des Durchstosser, diesen in Richtung Siegelfolie bewegt und dabei die Siegelfolie durchtrennt. Das im Behälterinnenraum aufgenommen Substrat kann aus dem Behälter austreten. Die Betätigung des Durchstosser kann mittels einer flexiblen, gewölbten Membran erfolgen oder ein Teil des Durchstosser ist dichtend durch die Behälterwand geführt und direkt betätigbar.The plastic containers each comprise a container body, a punch and a sealing film. The container body forms the container interior, respectively. the container chamber for receiving solid or liquid substrates, such as solid, granulated or liquid active ingredients, beverage additives, reagents, etc., which is closed by the sealing film. In the interior of the container, the piercer is movably accommodated in such a way that actuation of the piercer moves it in the direction of the sealing foil and thereby severs the sealing foil. The substrate received in the interior of the container can escape from the container. The piercer can be actuated by means of a flexible, curved membrane, or part of the piercer is guided through the container wall in a sealing manner and can be actuated directly.

US6003728 zeigt eine Alternative zur Siegelfolie. Dabei ist die Behälterkammer mit einem aufstossbaren, unteren Verschlussdeckel anstelle der Siegelfolie verschlossen, welcher mittels einer umlaufenden Wulst in einer Nut der Behälterwand kraftschlüssig aufgenommen ist. Der Verschlussdeckel kann über eine schmale Scharnierbrücke mit der Behälterwand verbunden sein und ragt in der Offenstellung im wesentliche senkrecht in den Mischbehälter. Der Durchstosser wirkt mittig auf den Verschlussdeckel. Zur Abgabe muss der Verschlussdeckel mit relativ grossem Kraftaufwand aus der Rastverbindung gedrückt werden und "springt" dann in die Offenstellung. Dabei kann es vorkommen, dass auch die Scharnierbrücke bricht und der Verschlussdeckel in den Mischbehälter fällt. US 2006/081646 A1 zeigt einen Behälter gemäß dem Oberbegriff von Anspruch 1. US6003728 shows an alternative to the sealing film. The container chamber is replaced by a lower closure lid that can be pushed open of the sealing foil, which is positively received by means of a circumferential bead in a groove of the container wall. The closure lid can be connected to the container wall via a narrow hinge bridge and, in the open position, protrudes essentially vertically into the mixing container. The piercer acts centrally on the closure cap. For delivery, the closure lid must be pressed out of the snap-in connection with a relatively large amount of force and then "jumps" into the open position. It can happen that the hinge bridge breaks and the sealing lid falls into the mixing container. U.S. 2006/081646 A1 shows a container according to the preamble of claim 1.

Nachteilig an den bekannten Kunststoffbehältern ist, dass sie aus mehreren Teilen zusammengesetzt sind, welche separat gefertigt und anschliessen in einem weiteren Verfahrensschritt zusammengesetzt werden. Dies kostet Zeit und Geld.A disadvantage of the known plastic containers is that they are composed of several parts which are manufactured separately and then assembled in a further process step. This costs time and money.

Ein weiterer Nachteil bei den bekannten Behältervorrichtungen ist, dass die durchtrennte Folie oder der ausgeschwenkte Verschlussdeckel häufig in die Flüssigkeit des Mischbehälters eintauchen und in dieser Offenstellung verbleiben. Anschliessend ist es kaum möglich, den Kunststoffbehälter sauber vom Mischbehälter zu entfernen. Auch ist die Bauweise der bekannten Behälter mit integrierter Abgabeeinrichtung meist komplex und aufwendig. Zudem ist ein Aufreissen oder Aufschneiden der Siegelfolie nicht kontrollierbar und die Handhabe des Kunststoffbehälters wird daher fehleranfällig. Ein weiterer Nachteil bei den bekannten Behältern besteht darin, dass das Substrat unkontrolliert und häufig entlang dem peripheren Randbereich abgegeben wird. Dabei kann es vorkommen, dass beispielsweise pulverförmiges oder körniges Substrat an der Innenfläche des Mischbehälterhalses hängen bleibt und nicht vollständig und sauber in den Mischbehälter abgegeben wird.A further disadvantage of the known container devices is that the severed film or the pivoted-out closure lid are often immersed in the liquid in the mixing container and remain in this open position. It is then almost impossible to cleanly remove the plastic container from the mixing container. Also, the design of the known containers with an integrated dispensing device is usually complex and expensive. In addition, tearing or cutting open the sealing film cannot be controlled and the handling of the plastic container is therefore prone to errors. Another disadvantage with the known containers is that the substrate is discharged in an uncontrolled manner and frequently along the peripheral edge area. It can happen that, for example, powdery or granular substrate sticks to the inner surface of the mixing container neck and is not completely and cleanly discharged into the mixing container.

Darstellung der ErfindungPresentation of the invention

Eine Aufgabe der Erfindung ist es, Nachteile des Standes der Technik zu überwinden. Insbesondere ist es Aufgabe der Erfindung, eine kosteneffizientere Fertigung zu ermöglichen.An object of the invention is to overcome disadvantages of the prior art. In particular, it is the object of the invention to enable more cost-efficient production.

Diese Aufgabe wird durch einen Kunststoffbehälter mit den Merkmalen des Anspruch 1 gelöst. Der Kunststoffbehälter umfasst einen Behälterkörper, eine Behälterabdeckung und ein Öffnungsmittel zum Öffnen der Behälterabdeckung.This object is achieved by a plastic container having the features of claim 1. The plastic container includes a container body, a container cover, and opening means for opening the container cover.

Der Behälterkörper umfasst eine Behälterwand und einen in einem unteren Bereich angeordneten Behälterboden, wobei an einem oberen dem Behälterboden gegenüberliegenden Ende des Behälterkörpers eine Behälteröffnung ausgebildet ist. Im oberen Bereich umfasst der Behälterkörper eine umlaufende obere Umrandung. Die Behälterabdeckung zum Abdecken der Behälteröffnung ist an der oberen Umrandung des Behälterkörpers befestigbar. Die obere Umrandung ist von einer oberen Kante der Behälterwand in Bezug auf eine Behälterachse radial nach aussen beabstandet. Die obere Umrandung ist über einen gelenkigen Verbindungsabschnitt mit der Behälterwand verbunden, wobei der gelenkige Verbindungsabschnitt eine Verschiebung der oberen Umrandung relativ zur Behälterwand und zum Öffnungsmittel erlaubt, so dass der Kunststoffbehälter von einer Geschlossenstellung in eine Offenstellung bringbar ist.The container body comprises a container wall and a container base arranged in a lower region, with a container opening being formed at an upper end of the container body opposite the container base. In the upper area, the container body includes a peripheral upper border. The container cover for covering the container opening is attachable to the upper rim of the container body. The top rim is spaced radially outwardly from a top edge of the container wall with respect to a container axis. The upper border is connected to the container wall via an articulated connection section, the articulated connection section allowing the upper border to be displaced relative to the container wall and the opening means, so that the plastic container can be brought from a closed position into an open position.

Durch die relative Verschiebung wird das mit der Behälterwand wirkverbundene Öffnungsmittel zur Öffnung der Behälterabdeckung gegen die mit der oberen Umrandung ortsfest wirkverbundene Behälterabdeckung gedrückt.The relative displacement causes the opening means, which is operatively connected to the container wall, to open the container cover to be pressed against the container cover, which is operatively connected in a stationary manner to the upper border.

Das gelenkige Verbindungselement ermöglicht dabei eine einfache Herstellung eines Kunststoffbehälters mit integrierter Abgabe- oder Öffnungseinrichtung für ein im Kunststoffbehälter aufgenommenes Substrat, wobei Behälterkörper und Behälterabdeckung einen Behälterinnenraum für das Substrat definieren. Dabei kann eine obere Kante der Behälterwand als Öffnungsmittel für die Behälterabdeckung ausgebildet sein, wie weiter unten noch ausgeführt wird.The articulated connecting element enables simple production of a plastic container with an integrated dispensing or opening device for a substrate accommodated in the plastic container, with the container body and container cover defining a container interior for the substrate. In this case, an upper edge of the container wall can be designed as an opening means for the container cover, as will be explained further below.

Alternativ ist es auch möglich ein separates Öffnungsmittel, z.B. einen Durchstosser im Behälterinnenraum anzuordnen.Alternatively, it is also possible to arrange a separate opening means, e.g. a piercer, in the interior of the container.

Die Behälterachse ist mittig durch den Behälterboden und die Behälteröffnung definiert, wobei die Behälterwand nicht kreiszylindrisch um die Behälterachse ausgebildet sein muss, sondern auch andere Formen aufweisen kann.The container axis is defined centrally by the container bottom and the container opening, with the container wall not having to be circular-cylindrical around the container axis, but can also have other shapes.

Weitere Ausführungsarten der Erfindung sind in den abhängigen Ansprüchen angegeben.Further embodiments of the invention are indicated in the dependent claims.

In einigen Ausführungsformen kann das Öffnungsmittel in der Geschlossenstellung unterhalb der Behälterabdeckung resp. innerhalb des Behälters liegen und in der Offenstellung derart nach oben versetzt sein, dass die Behälterabdeckung durchschnitten, durchstossen oder aufgedrückt wird.In some embodiments, the opening means in the closed position below the container cover, respectively. lying within the container and in the open position offset upwards in such a way that the container cover is cut, pierced or pressed open.

Erfindungsgemäß ist der gelenkige Verbindungsabschnitt in der Geschlossenstellung im Querschnitt gesehen im Wesentlichen schlaufen- oder U-förmig ausgebildet.According to the invention, the articulated connecting section is essentially loop-shaped or U-shaped when viewed in cross-section in the closed position.

Bei einer Verschiebung der oberen Umrandung in die Offenstellung wird der gelenkige, schlaufen- oder U-förmige Verbindungsabschnitt gestreckt. Dabei kann er eine Rückstellkraft erzeugen, um eine Rückverschiebung der oberen Umrandung in die Geschlossenstellung zu begünstigen. Die maximale Verschiebung kann in etwa der Länge des Verbindungsabschnitts entsprechen, d.h. in etwa der zweifachen Länge eines Schenkels des schlaufen- oder U-förmigen Verbindungsabschnitts.When the upper border is displaced into the open position, the articulated, loop-shaped or U-shaped connecting section is stretched. In doing so, it can generate a restoring force in order to promote a return displacement of the upper border into the closed position. The maximum displacement can correspond approximately to the length of the connecting section, i.e. approximately twice the length of a leg of the loop or U-shaped connecting section.

In einigen Ausführungsformen kann der gelenkige Verbindungsabschnitt als flexible und/oder elastische Dünnstelle ausgebildet sein. In der Regel ist der gelenkige Verbindungsabschnitt dünner ausgestaltet als eine Normwandstärke der Behälterwand. Behälterwand und obere Umrandung können im Wesentlichen die gleiche Wandstärke aufweisen.In some embodiments, the articulated connection section can be designed as a flexible and/or elastic thin area. As a rule, the articulated connection section is thinner than a standard wall thickness of the container wall. Container wall and upper border can essentially have the same wall thickness.

In einigen Ausführungsformen kann die obere Umrandung eine Wand ausbilden, welche im Wesentliche parallel zur Behälterwand verläuft. Das untere Ende der Wand kann mit dem gelenkigen Verbindungsabschnitt verbunden sein. An der oberen Umrandung resp. am oberen Ende der Wand kann ein umlaufender nach aussen gerichteter Flansch ausgebildet sein.In some embodiments, the top border may form a wall that is substantially parallel to the container wall. The lower end of the wall may be connected to the hinged connection section. At the upper border resp. a circumferential outwardly directed flange may be formed at the top of the wall.

In einigen Ausführungsformen kann die obere Umrandung über den Verbindungsabschnitt integral an der Behälterwand angeformt sein. Der Behälterkörper kann einstückig z.B. mittels Spritzguss gefertigt sein.In some embodiments, the top skirt may be integrally molded to the container wall via the connecting portion. The container body can be made in one piece, e.g.

In einigen Ausführungsformen kann die Behälterabdeckung ein Behälterdeckel mit mehreren Klappen sein und die obere Kante der Behälterwand das Öffnungsmittel ausbilden. Diese kann beispielsweise derart angeordnet und ausgestaltet sein, dass es den mehrere Klappen aufweisenden Behälterdeckel aufstossen kann. In der Regel steht das Öffnungsmittel in Bezug auf einen Ansatzbereich des gelenkigen Verbindungsabschnitts nach oben, d.h. in Richtung Behälterdeckel, über.In some embodiments, the container cover may be a container lid with multiple flaps and the top edge of the container wall forming the opening means. This can, for example, be arranged and designed in such a way that it can push open the container lid that has a plurality of flaps. Typically, the opening means projects upwardly, i.e. towards the container lid, in relation to a shoulder region of the hinged connection portion.

Ein solcher Behälterdeckel kann einen peripheren Befestigungsrand und mehrere über jeweils ein Scharnier mit dem Befestigungsrand verbundene Klappen aufweisen, wobei die Verschiebung des Öffnungsmittels in Richtung Behälterdeckel eine Auslenkung der Kappen um das jeweilige Scharnier bewirkt.Such a container lid can have a peripheral fastening edge and a plurality of flaps each connected to the fastening edge via a hinge, the displacement of the opening means in the direction of the container lid causing the caps to deflect about the respective hinge.

Eine Betätigung des Kunststoffbehälters bewirkt ein Ausschwenken der Klappen, wobei sich der Behälterdeckel mittig zu öffnen beginnt. Die Klappen selber wirken dabei wie Rampen, welche das Substrat mittig in den Mischbehälter abgeben.Actuation of the plastic container causes the flaps to swing out, with the container lid beginning to open in the middle. The flaps themselves act like ramps, which release the substrate into the middle of the mixing container.

Ein solcher Behälterdeckel mit Klappen ist in der Schweizer Patentanmeldung mit Titel "Kapsel mit integrierter Abgabeeinrichtung" vom selben Anmelder und mit demselben Anmeldedatum beschrieben, deren Inhalt hiermit in diese Anmeldung aufgenommen wird.Such a container lid with flaps is described in the Swiss patent application entitled "Capsule with integrated dispenser" by the same applicant and with the same filing date, the content of which is hereby incorporated into this application.

In einigen Ausführungsformen können die mehreren Klappen durch Schlitze im Behälterdeckel resp. Schlitze in der Deckfläche des Behälterdeckels ausgebildet sein, welche mehrere Sektoren des Behälterdeckels ausbilden. Die Sektoren können spitz zulaufende Sektoren sein, deren Spitzen sich an der Längsachse des Kunststoffbehälters treffen. Bevorzugt sind es gleichmässige resp. gleichförmige Kreissektoren, so dass eine plane Kreisfläche des Behälterdeckels in mindestens drei gleiche Kreissektoren aufgeteilt ist. Dabei öffnet sich der Behälterdeckel von der Mitte her und garantiert so eine kontrollierte Abgabe des Substrats. Zwischen den Klappen können die Schlitze überbrückende Stege vorhanden sein, welche Sollbruchstellen ausbilden.In some embodiments, the multiple flaps through slots in the container lid, respectively. Slits may be formed in the top surface of the container lid, which form a plurality of sectors of the container lid. The sectors can be tapered sectors whose tips meet at the longitudinal axis of the plastic container. Preference is given to uniform resp. Uniform sectors of a circle, so that a flat circular area of the container lid is divided into at least three equal sectors of a circle. The container lid opens from the middle and thus guarantees a controlled release of the substrate. Webs bridging the slits can be present between the flaps and form predetermined breaking points.

In einigen Ausführungsformen kann das Scharnier derart ausgebildet sein, dass im offenen Zustand des Behälterdeckels eine Rückstellkraft auf die Klappe wirkt. Das Scharnier kann beispielsweise in der Form eines Bogens, insbesondere eines Kreisbogens, ausgebildet sein. Dabei wirkt eine Rückstellkraft auf die ausgeschwenkte, offene Klappe und nach dem Zurückziehen des Öffnungsmittels bewegt sich die Klappe in die Geschlossenstellung zurück. Die Kapsel kann nun sauber vom Mischbehälter entfernt werden.In some embodiments, the hinge can be designed in such a way that a restoring force acts on the flap when the container lid is in the open state. The hinge can, for example, be in the form of an arc, in particular an arc of a circle. A restoring force acts on the pivoted-out, open flap and after the opening means has been pulled back, the flap moves back into the closed position. The capsule can now be removed cleanly from the mixing container.

In einigen Ausführungsformen kann das Öffnungmittel, welches bevorzugt durch die obere Kante der Behälterwand ausgebildet ist, eine vordere Anschlagsfläche aufweisen, welche bei Betätigung des Kunststoffbehälters gegen die mehreren Klappen drückt und ein Ausschwenken dieser Klappen bewirkt.In some embodiments, the opening means, which is preferably formed by the upper edge of the container wall, can have a front stop surface which, when the plastic container is actuated, presses against the plurality of flaps and causes these flaps to swing out.

Dabei kann die Anschlagsfläche auch aus mehreren (Teil-)Anschlagsflächen ausgebildet sein. Bevorzugt ist die Anschlagsfläche ringförmig ausgestaltet oder die mehrere (Teil-)Anschlagsflächen sind ringförmig angeordnet. Dabei ist in der Regel jede Anschlagsfläche in Bezug auf ein jeweiliges Scharnier radial nach innen versetzt angeordnet.The stop surface can also be formed from several (partial) stop surfaces. The stop surface is preferably designed in the shape of a ring or the plurality of (partial) stop surfaces are arranged in a ring shape. As a rule, each stop face is offset radially inwards with respect to a respective hinge.

D.h. eine ringförmige Anschlagsfläche ist in Bezug auf die mehreren Filmscharniere radial nach innen versetzt angeordnet oder die mehreren ringförmig angeordneten Anschlagsflächen sind in Bezug auf die mehreren Filmscharniere jeweils radial nach innen versetzt angeordnet.I.e. an annular stop surface is offset radially inwards with respect to the plurality of film hinges or the plurality of stop surfaces arranged in a ring shape are offset radially inwards with respect to the plurality of film hinges.

Mit anderen Worten ist der Durchmesser einer ringförmigen Anschlagsfläche oder mehrere ringförmig angeordneter Anschlagsflächen geringer als der Abstand der Scharniere vom Mittelpunkt der Ringform. Bevorzugt nur geringfügig, so dass die Anschlagsfläche möglichst nahe am Filmscharnier auf die Klappe auftrifft, aber noch genügend weit davon entfernt, damit eine genügend grosse Hebelwirkung zum Aufdrücken der Klappen vorhanden ist. Auf diese Weise können die Klappen auch mittels einer geringen Bewegung des Öffnungsmittels fast vollständig, d.h. bis nahezu 90° in Bezug auf die plane Ausgangsposition ausgeschwenkt werden. Idealerweise beträgt die Ausschwenkung mindestens 60° bei einem vollständig nach vorne bewegten Öffnungsmittel.In other words, the diameter of an annular abutment surface or a plurality of abutment surfaces arranged in a ring shape is less than the distance of the hinges from the center point of the ring shape. Preferably only slightly, so that the stop surface hits the flap as close as possible to the film hinge, but still far enough away from it so that there is sufficient leverage to press open the flaps. In this way, the flaps can almost completely, ie up to almost 90 ° with respect to the means of a small movement of the opening means level starting position can be swung out. Ideally, the swiveling out is at least 60° when the opening means is moved completely forward.

In einigen Ausführungsformen kann die Behälterabdeckung eine Siegelfolie sein und das Öffnungsmittel als Schneidkante ausgebildet sein. Die Siegelfolie kann dabei an einem nach aussen gerichteten Flansch der oberen Umrandung befestigt sein. Die obere Umrandung oder der Flansch kann eine Abstützfläche aufweisen, mit welcher der Kunststoffbehälter zur Bewirkung der Verschiebung über eine Mischbehälteröffnung eines Mischbehälters abgestützt wird.In some embodiments, the container cover can be a sealing foil and the opening means can be designed as a cutting edge. The sealing film can be attached to an outwardly directed flange of the upper border. The top skirt or flange may include a support surface for supporting the plastic container to effect displacement across a mixing container opening of a mixing container.

In einigen Ausführungsformen kann die obere Umrandung eine peripher Schürze mit einem Gewinde, bevorzugt eine Innengewinde, aufweisen, mit welchem der Kunststoffbehälter auf einen Mischbehälter festschraubbar ist.In some embodiments, the upper border can have a peripheral skirt with a thread, preferably an internal thread, with which the plastic container can be screwed onto a mixing container.

In einigen Ausführungsformen kann das Öffnungsmittel ein im Innenraum angeordneter Durchstosser sein, welcher gegenüber der Behälterwand oder dem Behälterboden abgestützt ist.In some embodiments, the opening means can be a piercer arranged in the interior space, which is supported against the container wall or the container bottom.

Kurze Erläuterung zu den FigurenBrief explanation of the figures

Die Erfindung soll nachfolgend anhand von Ausführungsbeispielen im Zusammenhang mit der(n) Zeichnung(en) näher erläutert werden. Es zeigen:

Fig. 1
eine perspektivischen Ansicht eines Kunststoffbehälters;
Fig. 2
eine Schnittdarstellung des Kunststoffbehälters aus Fig. 1;
Fig. 3
eine Detailansicht der Schnittdarstellung aus Fig. 2;
Fig. 4
eine Detailansicht des Verbindungabschnitts unter (a) in einer Geschlossenstellung und unter (b) in einer Offenstellung;
Fig. 5
eine perspektivischen Ansicht des Kunststoffbehälters aus Fig. 1 mit teilweise offenen Behälterabdeckung;
Fig. 6
eine Detailansicht eines Kunststoffbehälters mit Siegelfolie;
Fig. 7
eine perspektivische Ansicht eines Kunststoffbehälters mit einem Öffnungsmittel mit mehreren Durchstechmitteln und mit einer Siegelfolie; und
Fig. 8
eine Detailansicht des Kunststoffbehälters aus Fig. 7.
The invention will be explained in more detail below using exemplary embodiments in connection with the drawing(s). Show it:
1
a perspective view of a plastic container;
2
a sectional view of the plastic container 1 ;
3
a detailed view of the sectional view 2 ;
4
a detailed view of the connecting section under (a) in a closed position and under (b) in an open position;
figure 5
Figure 1 shows a perspective view of the plastic container 1 with partially open tank cover;
6
a detailed view of a plastic container with sealing film;
Figure 7
a perspective view of a plastic container with an opening means with several piercing means and with a sealing film; and
8
A detailed view of the plastic container Figure 7 .

Wege zur Ausführung der ErfindungWays to carry out the invention

Figuren 1 bis 3 zeigen einen Kunststoffbehälter mit integriertem Öffnungsmechanismus. Fig. 4 zeigt einen Ausschnitt des Kunststoffbehälters in einer Offenstellung und einer Geschlossenstellung. Der Kunststoffbehälter umfasst eine Behälterkörper 1 und eine Behälterabdeckung 2 (in Fig. 1 und 2 teilweise geschnitten dargestellt). Der Behälterkörper 1 umfasst eine Behälterwand 3 mit einem Behälterboden 4 am unteren Ende und einer Behälteröffnung 5 am oberen Ende. Die Behälterwand 3 weist eine im Wesentlichen konische Form auf. Am oberen Ende umfasst die Behälterwand weiter eine peripher umlaufende, obere Umrandung 6. In der gezeigt Ausführungsform ist die Umrandung 6 als eine sich parallel zur Behälterwand 3 erstreckende Wand 61 ausgebildet, welche beispielsweise eine Höhe von 5 bis 15 mm aufweist. Die Umrandung 6 umfasst am oberen Ende der Wand 61 einen radial nach aussen gerichteten Flansch 62 mit einer peripheren, nach unten gerichteten Schürze 63 zur Verstärkung auf. Figures 1 to 3 show a plastic container with an integrated opening mechanism. 4 shows a section of the plastic container in an open position and a closed position. The plastic container comprises a container body 1 and a container cover 2 (in Figures 1 and 2 shown partially cut). The container body 1 comprises a container wall 3 with a container bottom 4 at the lower end and a container opening 5 at the upper end. The container wall 3 has an essentially conical shape. At the upper end, the container wall further includes a peripheral, upper border 6. In the embodiment shown, the border 6 is designed as a wall 61 extending parallel to the container wall 3, which has a height of 5 to 15 mm, for example. The skirt 6 comprises at the upper end of the wall 61 a radially outwardly directed flange 62 with a peripheral downwardly directed skirt 63 for reinforcement.

Am unteren Ende der Wand 61 ist die Umrandung 6 über einen gelenkigen Verbindungsabschnitt 8 mit der Behälterwand 3 verbunden. Der gelenkige Verbindungsabschnitt 8 weist in der gezeigten Ausführungsform einen schlaufen- oder U-förmigen Querschnitt auf. Die Behälterwand 3 und die Umrandung 6 weisen im Wesentlichen dieselbe Wandstärke auf. Der Verbindungsabschnitt 8 ist dünner als die Behälterwand 3 resp. die Umrandung 6 ausgestaltet. Der Verbindungsabschnitt 8 ist derart flexibel, dass die Umrandung 6 relative zur Behälterwand 3 von einer Geschlossenstellung (Fig. 4(a)) in eine Offenstellung (Fig. 4(b)) bewegbar ist. Oberhalb der Ansatzstelle 81 der gelenkigen Verbindung 8 an der Behälterwand 3 erstreckt sich die Behälterwand 3 weiter nach oben und bildet an deren oberen Kante 7 die Öffnungsmittel 9 aus. Die obere Kante 7 liegt unterhalb einer durch den Flansch 62 definierten Ebene.At the lower end of the wall 61 the border 6 is connected to the container wall 3 via an articulated connecting section 8 . In the embodiment shown, the articulated connecting section 8 has a loop-shaped or U-shaped cross section. The container wall 3 and the border 6 have essentially the same wall thickness. The connecting portion 8 is thinner than the container wall 3, respectively. the border 6 designed. The connecting section 8 is so flexible that the border 6 relative to the container wall 3 from a closed position ( Fig.4(a) ) into an open position ( Fig.4(b) ) is movable. Above the attachment point 81 of the articulated connection 8 on the container wall 3, the container wall 3 extends further upwards and forms at its upper edge 7 the opening means 9 off. The upper edge 7 lies below a plane defined by the flange 62 .

Der schlaufen- oder U-förmige, gelenkige Verbindungsabschnitt 8 ist mit den beiden Endbereichen an der Behälterwand 3 resp. der oberen Umrandung 6 verbunden. In der Geschlossenstellung befinden sich die beiden Enden im Wesentliche auf derselben Höhe. In der Offenstellung sind sie voneinander wegbewegt und der gelenkige Verbindungsabschnitt 87 ist gestreckt.The loop or U-shaped, articulated connecting section 8 is connected to the two end areas on the container wall 3, respectively. the upper border 6 connected. In the closed position, the two ends are essentially at the same height. In the open position they are moved away from each other and the hinged connection portion 87 is stretched.

In der gezeigten Ausführungsform ist die Behälterabdeckung 2 ein Behälterdeckel 2' mit mehreren Klappen 24 zum Abdecken der Behälteröffnung 5 und weist eine peripheren Befestigungsrand 21 auf. Ein solcher Behälterdeckel 2' ist in der Schweizer Patentanmeldung mit Titel "Kapsel mit integrierter Abgabeeinrichtung" vom selben Anmelder und mit demselben Anmeldedatum beschrieben, deren Inhalt hiermit in diese Anmeldung aufgenommen wird. Der Behälterdeckel 2' kann mit dem Befestigungsrand 21 direkt der Umrandung 6 befestigt sein, oder - wie in der gezeigten Ausführungsform - am peripheren Befestigungsrand 21 eine umlaufende, nach unten gerichtete Schürze 22 mit einer an deren Aussenfläche angeordneten, umlaufenden Wulst 23 aufweisen. Zur Befestigung des Behälterdeckels 2' rastet die umlaufende Wulst 23 in einer an der Innenfläche der Wand 61 der Umrandung 6 angeordneten, komplementären Nut 64 ein.In the embodiment shown, the container cover 2 is a container lid 2' with a plurality of flaps 24 for covering the container opening 5 and has a peripheral attachment rim 21. Such a container lid 2' is described in the Swiss patent application entitled "Capsule with integrated dispensing device" by the same applicant and with the same filing date, the content of which is hereby incorporated into this application. The container lid 2' can be fastened with the fastening edge 21 directly to the border 6, or—as in the embodiment shown—on the peripheral fastening edge 21 have a circumferential, downward-pointing skirt 22 with a circumferential bead 23 arranged on its outer surface. To fasten the container lid 2 ′, the circumferential bead 23 snaps into a complementary groove 64 arranged on the inner surface of the wall 61 of the border 6 .

In der gezeigten Ausführungsform des Behälterdeckels 2' sind mittels durchgehenden Schlitzen 25 in der Deckelfläche vier Klappen 24 in der Form von gleichförmigen Kreissektoren ausgebildet. Diese Klappen 24 sind jeweils über ein Scharnier 26, vorzugsweise ein Filmscharnier, mit dem Befestigungsrand 21 des Behälterdeckels 2' verbunden. Zwischen den Klappen 24 können die Schlitze 25 überbrückende Haltestege vorhanden sein, welche Sollbruchstellen ausbilden. Anstelle der Schlitze sind auch Sollbruchstellen in Form von Dünnstellen möglich.In the embodiment of the container lid 2' shown, four flaps 24 are formed in the shape of uniform circular sectors by means of continuous slots 25 in the lid surface. These flaps 24 are each connected via a hinge 26, preferably a film hinge, to the fastening edge 21 of the container lid 2'. Between the flaps 24 the slots 25 bridging holding webs can be present, which form predetermined breaking points. Instead of the slits, predetermined breaking points in the form of thin areas are also possible.

Fig. 4 ist eine Detailansicht des gelenkigen Verbindungabschnitts 7 unter (a) in einer Geschlossenstellung und unter (b) in einer Offenstellung gezeigt. In der Geschlossenstellung befindet sich die Umrandung 6 in Bezug auf die Behälterwand 3 resp. die Öffnungsmittel 9 in einer oberen Position, in welcher der gelenkige Verbindungsabschnitt 8 einen schlaufen- oder U-förmigen Querschnitt aufweist und die obere Kante 7 der Behälterwand 3 resp. der Öffnungsmittel 9 sich unterhalb einer durch den Flansch definierten Fläche befindet. Dabei ist das Öffnungsmittel 9 vom Behälterdeckel 2' überdeckt. 4 a detailed view of the articulated connection section 7 is shown at (a) in a closed position and at (b) in an open position. In the closed position, the border 6 is in relation to the container wall 3 resp. the opening means 9 in an upper position, in which the articulated connecting portion 8 has a loop-shaped or U-shaped cross-section and the upper edge 7 of the container wall 3, respectively. the opening means 9 is below an area defined by the flange. The opening means 9 is covered by the container lid 2'.

Um den Behälterdeckel 2' zu öffnen, wird die Umrandung 6, an welcher der Behälterdeckel 2' befestigt ist, nach unten entlang der Behälterachse A in Richtung Behälterboden 4 geschoben. Dies kann beispielsweise geschehen, indem der Kunststoffbehälter mit dem Flansch 62, welcher gleichzeitig eine Abstützfläche 65 ausbildet, auf den Hals eines Mischbehälters gedrückt. Dabei Verschieben sich die Öffnungsmittel 9 relativ zum Behälterdeckel 2' und drücken mit der oberen Kante 7 dessen Klappen 24 auf. In der Offenstellung stehen die Öffnungsmittel 9 über den Flansch 62 der Umrandung 6 vor. Der gelenkige Verbindungsabschnitt 8, welcher flexibel ausgestaltet ist, wird dabei gestreckt (vgl. Fig. 4(b)). Die maximale Verschiebung entspricht dabei in etwa der Länge des Verbindungsabschnitts 8 resp. zweimal der Länge eines Schenkels der U-Form.In order to open the container lid 2', the border 6, to which the container lid 2' is fastened, is pushed down along the container axis A in the direction of the container bottom 4. This can be done, for example, by pressing the plastic container with the flange 62, which at the same time forms a support surface 65, onto the neck of a mixing container. The opening means 9 move relative to the container lid 2 ′ and press open its flaps 24 with the upper edge 7 . In the open position, the opening means 9 project beyond the flange 62 of the border 6. The articulated connecting section 8, which is designed to be flexible, is stretched (cf. Fig.4(b) ). The maximum displacement corresponds approximately to the length of the connecting section 8, respectively. twice the length of one leg of the U-shape.

Die Filmscharniere 26 am Behälterdeckel 2', welche jeweils die Klappen 24 am Behälterdeckel 2' halten, können bogenförmig ausgestaltet sein (vgl. Fig. 1). Dies führt dazu, dass auf die ausgeschwenkte Klappe 24, d.h. in der Offenstellung, eine Rückstellkraft auf die Klappe 24 wirkt. Wird das Öffnungsmittel 9 wieder zurückgezogen, schliessen sich auch die Klappen 24 zumindest teilweise.The film hinges 26 on the container lid 2', which each hold the flaps 24 on the container lid 2', can be designed in an arc shape (cf. 1 ). This means that a restoring force acts on the flap 24 when it is pivoted out, ie in the open position. If the opening means 9 is withdrawn again, the flaps 24 also close at least partially.

Der Behälterboden 4 ist in der gezeigten Ausführungsform nach aussen gewölbt. Am unteren Ende der Behälterwand 3 ist eine den Behälterboden 4 überragende Schürze 31 ausgebildet.In the embodiment shown, the container bottom 4 is curved outwards. At the lower end of the container wall 3 an apron 31 projecting beyond the container bottom 4 is formed.

In Fig. 5 ist der Kunststoffbehälter aus Fig. 1 mit teilweise geöffnetem Behälterdeckel 2' dargestellt. Dabei sind die Klappen 24 um die Filmscharniere 26 nach aussen geschwenkt.In figure 5 the plastic container is off 1 shown with the container lid 2' partially open. The flaps 24 are pivoted about the film hinges 26 to the outside.

Fig. 6 zeigt eine Detailansicht eines Kunststoffbehälters mit einer Siegelfolie 2" als Behälterabdeckung 2. Die Siegelfolie 2" ist an der oberen Umrandung 6 befestigt, z.B. indem sie auf den Flansch der Umrandung 6 geschweisst ist. 6 shows a detailed view of a plastic container with a sealing film 2" as the container cover 2. The sealing film 2" is attached to the upper border 6, for example by being welded onto the flange of the border 6.

Das Öffnungsmittel 9 kann als Schneidkante ausgebildet sein, z.B. indem die obere Kante 7 des Behälterkörpers 1 resp. der Behälterwand 3 die Schneidkante ausbildet. Eine relative Verschiebung der Schneidkante von der Geschlossenstellung des Kunststoffbehälters in seine Offenstellung bewirkt ein Durchschneiden der Siegelfolie 2".The opening means 9 can be designed as a cutting edge, e.g. by cutting the upper edge 7 of the container body 1 resp. of the container wall 3 forms the cutting edge. A relative displacement of the cutting edge from the closed position of the plastic container to its open position causes the sealing film 2" to be cut through.

Fig. 7 und Fig. 8 zeigen ebenfalls einen Kunststoffbehälter mit einer Siegelfolie 2" in einer perspektivischen Ansicht und in einer Detailansicht, wobei in Fig. 7 die Siegelfolie 2" nicht dargestellt ist. Im Unterschied zum Kunststoffbehälter aus Fig. 6 ist das Öffnungsmittel 9 mit mindestens einem Durchstechmittel 10 versehen. Das Öffnungsmittel 9 ist derart ausgebildet, dass es mit der Behälterwand 3 wirkverbunden ist. Eine relative Verschiebung der der Durchstechmittel 10 von der Geschlossenstellung des Kunststoffbehälters in seine Offenstellung bewirkt ein Durchstechen der Siegelfolie 2". 7 and 8 also show a perspective view and a detailed view of a plastic container with a sealing film 2", whereby in 7 the sealing film 2" is not shown. In contrast to the plastic container 6 the opening means 9 is provided with at least one piercing means 10 . The opening means 9 is designed in such a way that it is operatively connected to the container wall 3 . A relative displacement of the piercing means 10 from the closed position of the plastic container to its open position causes the sealing foil 2" to be pierced.

In der gezeigten Ausführungsform liegt das Öffnungmittel 9 auf der oberen Kante 7 der Behälterwand 3 auf. Es kann auch an der Behälterwand 3 z.B. mittels Rastmittel befestigt sein.In the embodiment shown, the opening means 9 rests on the upper edge 7 of the container wall 3. It can also be attached to the container wall 3, e.g. by means of locking means.

Das Öffnungmittel 9 kann beispielsweise in Form einer Filterplatte mit Filteröffnungen 11 ausgebildet sein. Die Filteröffnungen können mit einem Filterpapier abgedeckt sein.The opening means 9 can be in the form of a filter plate with filter openings 11, for example. The filter openings can be covered with a filter paper.

Bezeichnungslistedesignation list

11
Behälterkörpercontainer body
22
Behälterabdeckungcontainer cover
2'2'
Behälterdeckelcontainer lid
2"2"
Siegelfoliesealing film
2121
Befestigungsrandmounting edge
2222
Schürzeapron
2323
Wulstbead
2424
KlappenSucceed
2525
Schlitzeslots
2626
Scharnier, FilmscharnierHinge, film hinge
33
Behälterwandcontainer wall
3131
Schürzeapron
44
Behälterbodencontainer bottom
55
Behälteröffnungcontainer opening
66
Umrandungborder
6161
WandWall
6262
Flanschflange
6363
Schürzeapron
6464
Nutgroove
6565
Abstützflächesupport surface
77
oberer Kanteupper edge
88th
gelenkiger Verbindungsabschnittarticulated connecting section
99
Öffnungsmittelopening means
1010
Durchstechmittelpiercing agent
1111
Filteröffnungenfilter openings
AA
Behälterachsecontainer axis

Claims (11)

  1. A plastic container comprising a container body (1), a container cover (2, 2', 2") and an opening means (9) for opening the container cover (2, 2', 2"); the container body (1) comprises a container wall (3) and a container bottom (4) arranged in a lower region; wherein a container opening (5) is formed at an upper end of the container body (1) lying opposite the container bottom (4); the container body (1) comprises a circumferential upper border (6) in the upper region; wherein the container cover (2, 2', 2") for covering the container opening is fastened to the upper border (6) of the container body (1); wherein the upper border (6) is spaced radially outward from an upper edge (7) of the container wall (3) and connected with the container wall (3) by means of a flexible connecting portion (8), wherein the flexible connecting portion (8) permits a displacement of the upper border (6) relative to the container wall (3) and to the opening means (9), so that the plastic container can be brought from a closed position into an open position characterized in that the flexible connecting portion (8) is essentially loop- or U-shaped in design as viewed in cross section in the closed position.
  2. The plastic container according to claim 1, characterized in that the opening means (9) lies below the container cover (2, 2', 2") in the closed position, and is upwardly offset in the opening position, so as to penetrate, cut or press open the container cover (2, 2', 2").
  3. The plastic container according to one of the preceding claims, characterized in that the flexible connecting portion (8) is designed as a flexible thin segment.
  4. The plastic container according to one of the preceding claims, characterized in that the upper border (6) forms a wall (61), which essentially runs parallel to the container wall (3).
  5. The plastic container according to one of the preceding claims, characterized in that the border (6) comprises a radially outwardly directed flange (62) .
  6. The plastic container according to one of the preceding claims, characterized in that the upper border (6) is integrally molded onto the container wall (3) by way of the connecting portion (8).
  7. The plastic container according to one of the preceding claims, characterized in that the upper edge of the container wall (3) forms the opening means (9).
  8. The plastic container according to claim 7, characterized in that the container cover (2) in the form of a container lid (2') has several flaps (24), which are designed to be pushed open by means of the upper edge (7) of the container wall (2).
  9. The plastic container according to one of claims 1 to 8, characterized in that the container cover (2) is designed as a sealing film (2"), and the opening means (9) is designed as a cutting edge.
  10. The plastic container according to one of the preceding claims, characterized in that the upper border (6) has a supporting surface (65), with which the plastic container can be placed on a mixing container to initiate the displacement over a mixing container opening.
  11. The plastic container according to one of claims 1 to 10, characterized in that the upper border (6) has a peripheral skirt with a thread, preferably a female thread, with which the plastic container can be screwed to a mixing container.
EP18816027.9A 2017-12-20 2018-12-07 Plastic container having an opening means Active EP3728072B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01567/17A CH714475A1 (en) 2017-12-20 2017-12-20 A plastic container comprising a container body, a container cover and an opening means for opening the container cover.
PCT/EP2018/083985 WO2019121067A1 (en) 2017-12-20 2018-12-07 Plastic container having an opening means

Publications (2)

Publication Number Publication Date
EP3728072A1 EP3728072A1 (en) 2020-10-28
EP3728072B1 true EP3728072B1 (en) 2023-07-12

Family

ID=61231024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18816027.9A Active EP3728072B1 (en) 2017-12-20 2018-12-07 Plastic container having an opening means

Country Status (11)

Country Link
US (1) US20210362920A1 (en)
EP (1) EP3728072B1 (en)
JP (1) JP2021506692A (en)
KR (1) KR20200097272A (en)
CN (1) CN111566020A (en)
BR (1) BR112020012174A2 (en)
CA (1) CA3085834A1 (en)
CH (1) CH714475A1 (en)
EA (1) EA038169B1 (en)
MX (1) MX2020005834A (en)
WO (1) WO2019121067A1 (en)

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Also Published As

Publication number Publication date
BR112020012174A2 (en) 2020-11-24
MX2020005834A (en) 2020-10-05
EA038169B1 (en) 2021-07-19
US20210362920A1 (en) 2021-11-25
EP3728072A1 (en) 2020-10-28
EA202091525A1 (en) 2020-09-11
CH714475A1 (en) 2019-06-28
WO2019121067A1 (en) 2019-06-27
JP2021506692A (en) 2021-02-22
CA3085834A1 (en) 2019-06-27
CN111566020A (en) 2020-08-21
KR20200097272A (en) 2020-08-18

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