EP2539245A2 - Packaging - Google Patents

Packaging

Info

Publication number
EP2539245A2
EP2539245A2 EP11718643A EP11718643A EP2539245A2 EP 2539245 A2 EP2539245 A2 EP 2539245A2 EP 11718643 A EP11718643 A EP 11718643A EP 11718643 A EP11718643 A EP 11718643A EP 2539245 A2 EP2539245 A2 EP 2539245A2
Authority
EP
European Patent Office
Prior art keywords
cap
outer container
membrane
wall
base body
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
EP11718643A
Other languages
German (de)
French (fr)
Other versions
EP2539245B1 (en
Inventor
Roland Kneer
Alexander Keller
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.)
Gaplast GmbH
Original Assignee
Gaplast GmbH
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 Gaplast GmbH filed Critical Gaplast GmbH
Publication of EP2539245A2 publication Critical patent/EP2539245A2/en
Application granted granted Critical
Publication of EP2539245B1 publication Critical patent/EP2539245B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/04—Deformable containers producing the flow, e.g. squeeze bottles
    • B05B11/047—Deformable containers producing the flow, e.g. squeeze bottles characterised by the outlet or venting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B65D47/2056—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type
    • B65D47/2081—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure lift valve type in which the deformation raises or lowers the valve port

Definitions

  • the invention relates to a package having a substantially dimensionally stable, while elastically deformable outer container, an arranged therein, easily deformable, the filling receiving inner bag and a valve, through the opening of filling material is discharged when pressure is exerted on the outer container.
  • This is a so-called airless system, in which after delivery of contents no air enters the inner bag, but it enters air from the outside atmosphere in the space between the outer container and the inner bag, wherein the inner bag is increasingly pressed together and remains in this state until the entire contents have leaked out of the packaging, also referred to as a squeeze bottle.
  • DE 102 177655 discloses a packaging in which the valve has a membrane with a sleeve-shaped projection which surrounds a journal of a base body extending over the opening of the outer container, the filling material passing between the sleeve and the journal through to the outlet opening of one Cap passes. If this package is used for liquid product, it may happen that the sleeve-shaped portion of the membrane in the discharge of contents in places adheres to the pin of the base body, with the result that the liquid jet when squeezing the outer container is not in the longitudinal direction of the outer container, but in one
  • CONFIRMATION COPY sloping direction emerges, so that this package is limited suitable for dispensing liquid contents.
  • the present invention has for its object to provide a few parts existing, producible with little effort and assembled packaging, which is preferably also suitable for liquid filling.
  • the packaging should not be limited thereto, but should also be suitable for dispensing pasty filling material.
  • valve of the packaging contains a base body extending over the opening of the outer container, which has at least one through-opening for the filling material and a central pin facing away from the outer container, and one on the upper end region or the neck of the outer container attached to the base body covering cap contains, whose upper, preferably slightly curved outward end wall is formed by an elastic membrane which defines a receiving space for the contents between the cap and the base body and which has a central outlet opening for the filling is closed by the pin in the unpressurized state of the package by the membrane with the edge surrounding the outlet opening biased against the pin, wherein the membrane is exerted by pressure in the outer container by the in the receiving space located, pressurized contents of the pin is lifted so that contents can escape.
  • the contents if it is a liquid, in the longitudinal direction of the outlet opening in a rectilinear beam from the opening, the bore of which is aligned with the longitudinal axis of the outer container, since the liquid located in the receiving space unhindered by the jammed from the outlet pin gets into the outlet opening.
  • the receiving space takes up almost the entire interior of the part of the cap located above the base body, so that the contents press over a large area onto the membrane, which is thus lifted off the journal by such a large distance that the contents are pressed freely into the outlet opening ,
  • the lifting of the membrane is facilitated in an advantageous embodiment of the invention by the fact that the membrane has a peripheral, weakened cross-section at the edge of the receiving space.
  • the invention provides that the cap has a separate from the receiving space for the product, sealed against the receiving space and the outer wall of the outer container air space, the at least one bore through the wall of the outer container with the space between the outer container and the inner bag and is connected via at least one vent valve to the outside atmosphere.
  • the vent valve is tightly closed upon squeezing (squeezing) of the outer container due to the increased pressure in the air space, so that no air can escape from the air space.
  • the exerted pressure force on the outer container is thus fully exerted on the contents, which emerges in the manner described above from the outlet opening of the valve.
  • the vent valve opens by the negative pressure until the pressure equalization is done.
  • the membrane which consists for example of TPE or LLDPE, is firmly connected to the existing example of PP cap, preferably molded onto the cap.
  • the valve consists of only two components that can be quickly and easily attached to the outer container of the package.
  • the cap is provided at its radially outer edge with a seal which engages in a circumferential groove in the shoulder of the outer container.
  • the Seal may have two radially spaced lips, for each of which a circumferential groove is provided in the shoulder of the outer container.
  • two diametrically opposed vent valves are inserted into corresponding wall recesses of the annular air space of the cap, e.g. can be glued.
  • the cap has a cylindrical, spaced from the approximately bell-shaped outer wall inner wall, on the inside of a likewise cylindrical inner wall of the membrane is present, which limits the receiving space for the contents laterally.
  • the cylindrical inner wall of the membrane can engage under the free end of the cylindrical inner wall of the cap and be tightly engaged together with the end portion of the inner wall of the cap behind an annular projection of the base body.
  • the membrane is molded in a preferred embodiment of the invention, together with its cylindrical inner wall on the cap, which has the corresponding recesses for receiving the membrane.
  • the base body is preferably located on the edge of the container neck and is pressed by a circumferential inner shoulder of the cap tightly against the container edge.
  • the base body can also be used in the container contents.
  • the cap is preferably attached to the container neck, wherein it is locked with hook-shaped inner projections under an outer bead at the edge of the container neck.
  • the base body When mounting the valve, the base body is placed in the preferred embodiment on the edge of the container neck and thereby centered, for example by an annular shoulder. Subsequently, the cap placed, engages the cylindrical inner wall with the adjacent membrane wall in the base body, wherein the cap also engages with its hook-shaped, radially and axially offset hook-shaped projections under the outer bead of the container neck.
  • the at least one sealing lip (preferably two sealing lips) of the edge-mounted seal can also enter into the associated groove of the outer container, or it can be pressed against the shoulder with prestressing.
  • the sealing lip consists for example of TPE, while the base body can be made of HDPE, for example.
  • the vent valve has a convex cross-sectional shape with respect to the air chamber and extends in a circular arc preferably on two diametrically opposite sides of the cap.
  • a longitudinal, preferably central cut which passes through the wall of the vent valve and is formed so that no material was cut away.
  • This vent valve opens at negative pressure in the air chamber of the cap, in which the section spreads a little, and is sealed at overpressure in the air chamber in which the valve is pressed together at the cut.
  • FIG. 1 shows a longitudinal section through the entire packaging
  • FIG. 2 shows an enlarged representation of the region B in FIG. 1,
  • Figure 3 is a partially cut away perspective view of
  • Figure 4 shows an alternative embodiment of the package.
  • the entire package 1 is shown in Figure 1 and contains a dimensionally stable, elastically deformable outer container 2, one of the contents receiving inner bag 3, which rests in the filled initial state on the inner wall of the outer container 2 and in the neck region is firmly connected to the outer container 2.
  • the inner bag is fixed to the bottom of the outer ⁇ container.
  • a valve 4 is attached, is discharged through the outlet opening 5 when squeezing the outer container 2 contents.
  • the inner bag 3 contracts accordingly without ambient air enters the inner bag for pressure equalization, so that the packaging is a so-called airless system.
  • the outer container 2 is expediently compressed laterally by a user to deliver contents, wherein the outer container can also be referred to as squeeze container.
  • valve 4 consists essentially of a transversely across the opening 6 of the outer container 2 extending base body 7 and a cap 8 which is snapped on the outside of the neck of the outer container 2.
  • the base body 7, which consists for example of HDPE, lies with its circular edge region on the upper edge of the container neck 9, and is pressed by the cap 8 fixed to the container neck 9.
  • the base body 7 includes in the extending transversely across the opening 6 of the container neck 9, plate-shaped portion 10 a plurality of circumferentially distributed through holes 1 1, which connect the interior of the inner bag 3 with a lying above the plate-shaped portion 10 receiving space 12 for the contents.
  • the base body 7 further includes a centrally extending in the longitudinal direction of the outer container 2 pin 1 3, which extends in the middle of the receiving space 1 2 for the contents to the upper end wall 14 of the cap 8 and in the non-actuated state of the package, the outlet opening 5 tight closes.
  • the base body 8 further includes an upwardly, ie in the direction of the upper end wall 14 of the cap, extending annular flange 1 5, which has at its free end a radially inwardly facing undercut.
  • the cap 8 which consists for example of PP, engages over the base body 7 and the container neck 9 in a substantially bell-shaped manner.
  • the cap 8 made of rigid plastic is fixedly connected to a membrane 16, which consists for example of TPE or LLDPE.
  • the membrane 1 6 forms with a slightly outwardly curved portion of the upper end wall 14 of the cap 8, which contains the center of the outlet opening 5 for the contents.
  • the wall portion 14 of the membrane 1 6 contains on the inside to the outlet opening 5 around a thickened wall portion 1 7, which rests in the released, not depressed state of the membrane 1 6 firmly on the flat top of the pin 1 3, by the elastic Restoring force of the membrane 1 6.
  • the outlet opening 5 is thereby sealed.
  • the membrane 1 6 is fitted with the peripheral portion 1 8 of the upper end wall 14 in an annular recess of the cap 8.
  • the cap 8 has an inwardly facing cylindrical projection 1 9, on the inside of a corresponding cylindrical projection 20 of the diaphragm 16 is applied, which engages under a bead-shaped lower end portion 21, the lower end of the cylindrical portion 19 of the cap 8 and engages behind.
  • the membrane 1 6 is molded in the preferred embodiment of the invention to the corresponding surfaces of the cap 8 and connected in this way integrally with the cap 8.
  • the cylindrical membrane wall 20 defines together with the upper end wall 1 4, the already mentioned receiving chamber 1 2 for the contents.
  • the cross section of the upper end wall 14 is weakened (reference numeral 21 a) to the elastic buckling of the upper end wall 14 by pressurized medium in the receiving chamber 1 2 easier.
  • the contents presses large area against the membrane wall 14 so that immediately a sufficiently large gap between the annular wall 1 7 and the top of the pin 1 3 is formed, can escape through the contents unhindered. If the filling material is a liquid, it exits from the packaging with a jet extending in the axial direction of the bore 5.
  • the upper diaphragm wall returns to the initial state, in which the pin 1 3, the outlet opening 5 closes tightly.
  • the cap 8 snaps when mounted on the neck neck 9 with the bead-shaped portion 21 at the lower end of the cylindrical walls 1 9 and 20 behind, ie, in the drawing, the annular inner projection 22 of the annular flange 1 5, whereby a hermetic seal against a radially outer annular chamber 23 is created.
  • the cap 8 also engages with radially inner, hook-shaped projections 24 on axial webs 25 under the outer bead 26 on the container neck.
  • a seal 27 which is preferably molded into a circumferential groove in the wall of the cap 8 and two radially spaced sealing lips 28 which engage in annular grooves in the wall of the outer container 2.
  • a lower air space 29 is sealed in the cap 8 relative to the outer container 2, apart from at least one leading through the wall of the outer container bore 30 a, which connects the space between the outer container 2 and the inner bag 3 with the interior of the air chamber 29, and of two diametrically opposed vent valves 30 through which ambient air for pressure equalization in the air chamber 29 may occur at negative pressure in the air chamber 29 through which, however, can escape at excess pressure in the air chamber 29 no air to the outside atmosphere.
  • the two each have a short arc extending ventilation valves 30 with respect to the interior of the air chamber 29 convex, ie to the air space 29 toward bulged, preferably round shape, the Wall of the ventilation valves each containing a central, passing through the wall section 31.
  • the outer container 2 For dispensing of contents, the outer container 2 is pressed laterally together, thereby also firmly closed vent valves 30, the inner bag is pressed together and contents that has passed through the holes 1 1 in the receiving space 1 2 and this fills, against the inside of the upper End wall 14 presses. As a result, it is raised with its surrounding the outlet opening 5 wall portion 1 7 from the top of the pin 1 3, so that contents can escape unhindered.
  • the upper end wall 14 of the membrane Upon release of the outer container (i.e., cessation of pressurization), the upper end wall 14 of the membrane returns to the sealing condition.
  • the embodiment of Figure 4 differs from the first embodiment by a different seal of the air space 29 relative to the outer container 2.
  • the outer container 2 has in the shoulder region a circumferential step-shaped shoulder 32 to which a mounted at the bottom of the cap 8 seal 33 in the radial direction firmly pressed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Packages (AREA)
  • Buffer Packaging (AREA)

Abstract

The invention relates to packaging (1) having an elastically deformable external container (2) with a neck, in which an inner bag for the filling goods (3) and a valve (4) having an inlet (5) for the filling goods and an outlet is arranged. The valve (4) comprises a base body (7) having at least one through opening (11) and a valve journal pointing (13) away from the container content, and containing a cap (8) which is fixed to the neck of the external container (2) and which covers the base body, the upper closing wall (14) being formed by a membrane. The membrane comprises the outlet (5) which can be closed by the valve journal (13) and delimits a receiving chamber for the filling goods between the cap and the base body. When pressure is applied to the external container, the membrane is raised by the journal by filling goods and is returned to the non-pressurised state in the outlet state.

Description

Verpackung  packaging
Die Erfindung betrifft eine Verpackung, die einen im wesentlichen formstabilen, dabei elastisch verformbaren Außenbehälter, einen darin angeordneten, leicht verformbaren, das Füllgut aufnehmenden Innenbeutel und ein Ventil aufweist, durch dessen Öffnung Füllgut abgegeben wird, wenn auf den Außenbehälter Druck ausgeübt wird. Dabei handelt es sich um ein sogenanntes Airless-System, bei dem nach Abgabe von Füllgut keine Luft in den Innenbeutel eintritt, sondern es tritt Luft aus der Außenatmosphäre in den Zwischenraum zwischen dem Außenbehälter und dem Innenbeutel ein, wobei der Innenbeutel zunehmend zusammen gedrückt wird und in diesem Zustand verbleibt, bis das gesamte Füllgut aus der auch als Quetschflasche bezeichneten Verpackung ausgetreten ist. The invention relates to a package having a substantially dimensionally stable, while elastically deformable outer container, an arranged therein, easily deformable, the filling receiving inner bag and a valve, through the opening of filling material is discharged when pressure is exerted on the outer container. This is a so-called airless system, in which after delivery of contents no air enters the inner bag, but it enters air from the outside atmosphere in the space between the outer container and the inner bag, wherein the inner bag is increasingly pressed together and remains in this state until the entire contents have leaked out of the packaging, also referred to as a squeeze bottle.
Es sind zahlreiche Verpackungen dieser Art bekannt. Beispielsweise offenbart die DE 102 1 7 655 eine Verpackung, bei der das Ventil eine Membran mit einem hülsenförmigen Vorsprung aufweist, der einen Zapfen eines sich über die Öffnung des Außenbehälters erstreckenden Basiskörpers umgibt, wobei das Füllgut zwischen der Hülse und dem Zapfen hindurch zur Austrittsöffnung einer Kappe gelangt. Wenn diese Verpackung für flüssiges Füllgut verwendet wird, kann es geschehen, dass der hülsenförmige Abschnitt der Membran bei der Abgabe von Füllgut stellenweise an dem Zapfen des Basiskörpers anhaftet, was zur Folge hat, dass der Flüssigkeitsstrahl beim Zusammendrücken des Außenbehälters nicht in Längsrichtung des Außenbehälters, sondern in einer There are numerous packages of this type are known. For example, DE 102 177655 discloses a packaging in which the valve has a membrane with a sleeve-shaped projection which surrounds a journal of a base body extending over the opening of the outer container, the filling material passing between the sleeve and the journal through to the outlet opening of one Cap passes. If this package is used for liquid product, it may happen that the sleeve-shaped portion of the membrane in the discharge of contents in places adheres to the pin of the base body, with the result that the liquid jet when squeezing the outer container is not in the longitudinal direction of the outer container, but in one
BESTÄTIGUNGSKOPIE schrägen Richtung austritt, so dass diese Verpackung zur Abgabe von flüssigem Füllgut nur beschränkt geeignet ist. CONFIRMATION COPY sloping direction emerges, so that this package is limited suitable for dispensing liquid contents.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine aus wenigen Teilen bestehende, mit geringem Aufwand herstellbare und zusammensetzbare Verpackung anzugeben, die bevorzugt auch für flüssiges Füllgut geeignet ist. Hierauf soll die Verpackung aber nicht beschränkt sein, sondern sie soll ebenso zur Abgabe von pastösem Füllgut geeignet sein. The present invention has for its object to provide a few parts existing, producible with little effort and assembled packaging, which is preferably also suitable for liquid filling. However, the packaging should not be limited thereto, but should also be suitable for dispensing pasty filling material.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet. This object is achieved by the features of claim 1. Advantageous embodiments of the invention are characterized in the subclaims.
Die Erfindung sieht vor, dass das Ventil der Verpackung einen sich über die Öffnung des Außenbehälters erstreckenden Basiskörper enthält, der wenigstens eine Durchgangsöffnung für das Füllgut und einen mittigen, von dem Außenbehälter weg weisenden Zapfen aufweist, und eine auf dem oberen Endbereich bzw. dem Hals des Außenbehälters befestigte, den Basiskörper überdeckende Kappe enthält, deren obere, bevorzugt leicht nach außen gewölbte Abschlusswand durch eine elastische Membran gebildet ist, die einen Aufnahmeraum für das Füllgut zwischen der Kappe und dem Basiskörper begrenzt und die eine mittige Austrittsöffnung für das Füllgut aufweist, die im drucklosen Zustand der Verpackung von dem Zapfen verschlossen ist, indem die Membran mit dem die Austrittsöffnung umgebenden Randbereich unter Vorspannung an dem Zapfen anliegt, wobei die Membran bei Ausübung von Druck auf den Außenbehälter durch das in dem Aufnahmeraum befindliche, unter Druck stehende Füllgut von dem Zapfen abgehoben wird, so dass Füllgut austreten kann. Dabei tritt das Füllgut, wenn es sich um eine Flüssigkeit handelt, in Längsrichtung der Austrittsöffnung in einem geradlinigen Strahl aus der Öffnung aus, deren Bohrung mit der Längsachse des Außenbehälters fluchtet, da die in dem Aufnahmeraum befindliche Flüssigkeit ungehindert von dem von der Austrittsöffnung beanstandeten Zapfen in die Austrittöffnung gelangt. Der Aufnahmeraum nimmt dabei nahezu den gesamten Innenraum des über dem Basiskörper befindlichen Teils der Kappe in Anspruch, so dass das Füllgut großflächig auf die Membran drückt, die hierdurch um eine so große Strecke von dem Zapfen abgehoben wird, dass das Füllgut ungehindert in die Austrittsöffnung gedrückt wird. Das Anheben der Membran wird in vorteilhafter Ausgestaltung der Erfindung noch dadurch erleichtert, dass die Membran am Rand des Aufnahmeraums einen umlaufenden, geschwächten Querschnitt hat. The invention provides that the valve of the packaging contains a base body extending over the opening of the outer container, which has at least one through-opening for the filling material and a central pin facing away from the outer container, and one on the upper end region or the neck of the outer container attached to the base body covering cap contains, whose upper, preferably slightly curved outward end wall is formed by an elastic membrane which defines a receiving space for the contents between the cap and the base body and which has a central outlet opening for the filling is closed by the pin in the unpressurized state of the package by the membrane with the edge surrounding the outlet opening biased against the pin, wherein the membrane is exerted by pressure in the outer container by the in the receiving space located, pressurized contents of the pin is lifted so that contents can escape. In this case, the contents, if it is a liquid, in the longitudinal direction of the outlet opening in a rectilinear beam from the opening, the bore of which is aligned with the longitudinal axis of the outer container, since the liquid located in the receiving space unhindered by the jammed from the outlet pin gets into the outlet opening. Of the In this case, the receiving space takes up almost the entire interior of the part of the cap located above the base body, so that the contents press over a large area onto the membrane, which is thus lifted off the journal by such a large distance that the contents are pressed freely into the outlet opening , The lifting of the membrane is facilitated in an advantageous embodiment of the invention by the fact that the membrane has a peripheral, weakened cross-section at the edge of the receiving space.
Weiter sieht die Erfindung vor, dass die Kappe einen von dem Aufnahmeraum für das Füllgut getrennten, gegen den Aufnahmeraum und die Außenwand des Außenbehälters abgedichteten Luftraum aufweist, der über wenigstens eine Bohrung durch die Wand des Außenbehälters mit dem Zwischenraum zwischen dem Außenbehälter und dem Innenbeutel und über wenigstens ein Belüftungsventil mit der Außenatmosphäre verbunden ist. Das Belüftungsventil wird beim Zusammendrücken (Quetschen) des Außenbehälters durch den erhöhten Druck in dem Luftraum dicht verschlossen, so dass keine Luft aus dem Luftraum austreten kann. Die ausgeübte Druckkraft auf den Außenbehälter wird somit vollständig auf das Füllgut ausgeübt, das auf die oben beschriebene Weise aus der Austrittsöffnung des Ventils austritt. Nach Beendigung dieses Vorgangs tritt infolge des in den Zwischenraum zwischen dem Außenbehälter und dem Innenbeutel entstandenen Unterdrucks Luft durch das Belüftungsventil in den Luftraum und von dort in den Zwischenraum zwischen dem Außenbehälter und Innenbeutel ein, da sich das Belüftungsventil durch den Unterdruck öffnet, bis der Druckausgleich erfolgt ist. Next, the invention provides that the cap has a separate from the receiving space for the product, sealed against the receiving space and the outer wall of the outer container air space, the at least one bore through the wall of the outer container with the space between the outer container and the inner bag and is connected via at least one vent valve to the outside atmosphere. The vent valve is tightly closed upon squeezing (squeezing) of the outer container due to the increased pressure in the air space, so that no air can escape from the air space. The exerted pressure force on the outer container is thus fully exerted on the contents, which emerges in the manner described above from the outlet opening of the valve. After completion of this process occurs due to the resulting in the space between the outer container and the inner bag vacuum air through the vent valve in the air space and from there into the space between the outer container and inner bag, since the vent valve opens by the negative pressure until the pressure equalization is done.
Die Membran, die beispielsweise aus TPE oder LLDPE besteht, ist fest mit der beispielsweise aus PP bestehenden Kappe verbunden, vorzugsweise an die Kappe angespritzt. Damit besteht das Ventil nur aus zwei Bauteilen, die schnell und einfach auf dem Außenbehälter der Verpackung anbringbar sind. The membrane, which consists for example of TPE or LLDPE, is firmly connected to the existing example of PP cap, preferably molded onto the cap. Thus, the valve consists of only two components that can be quickly and easily attached to the outer container of the package.
Dabei ist die Kappe an ihrem radial äußeren Rand mit einer Dichtung versehen, die in eine umlaufende Nut in der Schulter des Außenbehälters eingreift. Die Dichtung kann zwei radial beabstandete Lippen aufweisen, für die jeweils eine umlaufende Nut in der Schulter des Außenbehälters vorgesehen ist. The cap is provided at its radially outer edge with a seal which engages in a circumferential groove in the shoulder of the outer container. The Seal may have two radially spaced lips, for each of which a circumferential groove is provided in the shoulder of the outer container.
Vorzugsweise sind zwei diametral gegenüber liegende Belüftungsventile in entsprechende Wandaussparungen des ringförmigen Luftraums der Kappe eingesetzt, die z.B. eingeklebt sein können. Preferably, two diametrically opposed vent valves are inserted into corresponding wall recesses of the annular air space of the cap, e.g. can be glued.
In weiteren Einzelheiten wird vorgeschlagen, dass die Kappe eine zylindrische, von der in etwa glockenförmigen Außenwand beabstandete Innenwand aufweist, an deren Innenseite eine ebenso zylindrische Innenwand der Membran anliegt, die den Aufnahmeraum für das Füllgut seitlich begrenzt. Die zylindrische Innenwand der Membran kann dabei das freie Ende der zylindrischen Innenwand der Kappe untergreifen und zusammen mit dem Endabschnitt der Innenwand der Kappe hinter einem ringförmigen Vorsprung des Basiskörpers dicht eingerastet sein. In further details, it is proposed that the cap has a cylindrical, spaced from the approximately bell-shaped outer wall inner wall, on the inside of a likewise cylindrical inner wall of the membrane is present, which limits the receiving space for the contents laterally. The cylindrical inner wall of the membrane can engage under the free end of the cylindrical inner wall of the cap and be tightly engaged together with the end portion of the inner wall of the cap behind an annular projection of the base body.
Die Membran ist in einer bevorzugten Ausgestaltung der Erfindung zusammen mit ihrer zylindrischen Innenwand an der Kappe angespritzt, die die entsprechenden Aussparungen zur Aufnahme der Membran hat. The membrane is molded in a preferred embodiment of the invention, together with its cylindrical inner wall on the cap, which has the corresponding recesses for receiving the membrane.
Der Basiskörper liegt vorzugsweise auf dem Rand des Behälterhalses auf und wird von einer umlaufenden inneren Schulter der Kappe dicht gegen den Behälterrand gedrückt. Der Basiskörper kann aber auch in den Behälterhalt eingesetzt sein. The base body is preferably located on the edge of the container neck and is pressed by a circumferential inner shoulder of the cap tightly against the container edge. The base body can also be used in the container contents.
Die Kappe ist vorzugsweise auf den Behälterhals aufgesteckt, wobei sie mit hakenförmigen inneren Vorsprüngen unter einer Außenwulst am Rand des Behälterhalses eingerastet ist. The cap is preferably attached to the container neck, wherein it is locked with hook-shaped inner projections under an outer bead at the edge of the container neck.
Bei der Montage des Ventils wird der Basiskörper in der bevorzugten Ausführungsform auf den Rand des Behälterhalses aufgesetzt und dabei z.B. durch eine ringförmige Schulter zentriert. Anschließend wird die Kappe aufgesetzt, deren zylindrische Innenwand mit der anliegenden Membranwand in den Basiskörper einrastet, wobei die Kappe außerdem mit ihren hakenförmigen, radial und axial versetzten hakenförmigen Ansätzen unter der Außenwulst des Behälterhalses einrastet. Bei diesem Vorgang kann auch die wenigstens eine Dichtlippe (bevorzugt zwei Dichtlippen) der am Rand befestigten Dichtung in die zugehörige Nut des Außenbehälters eintreten, oder sie wird mit Vorspannung gegen die Schulter gedrückt. Die Dichtlippe besteht beispielsweise TPE, während der Basiskörper z.B. aus HDPE bestehen kann. When mounting the valve, the base body is placed in the preferred embodiment on the edge of the container neck and thereby centered, for example by an annular shoulder. Subsequently, the cap placed, engages the cylindrical inner wall with the adjacent membrane wall in the base body, wherein the cap also engages with its hook-shaped, radially and axially offset hook-shaped projections under the outer bead of the container neck. In this process, the at least one sealing lip (preferably two sealing lips) of the edge-mounted seal can also enter into the associated groove of the outer container, or it can be pressed against the shoulder with prestressing. The sealing lip consists for example of TPE, while the base body can be made of HDPE, for example.
Es kann auch das vormontierte System auf eine gefüllte Flasche geprellt werden It can also be the pre-assembled system bounced on a filled bottle
Das Belüftungsventil hat eine bezüglich der Luftkammer konvexe Querschnittsform und erstreckt sich kreisbogenförmig bevorzugt an zwei diametral gegenüber liegenden Seiten der Kappe. Durch die Wand des Belüftungsventils verläuft ein längs gerichteter, bevorzugt mittiger Schnitt, der durch die Wand des Belüftungsventils hindurch geht und so ausgebildet ist, dass kein Material weg geschnitten wurde. Dieses Belüftungsventil öffnet sich bei Unterdruck in der Luftkammer der Kappe, in dem sich der Schnitt ein wenig spreizt, und wird bei Überdruck in der Luftkammer dicht verschlossen, in dem das Ventil an dem Schnitt zusammen gepresst wird. The vent valve has a convex cross-sectional shape with respect to the air chamber and extends in a circular arc preferably on two diametrically opposite sides of the cap. Through the wall of the vent valve extends a longitudinal, preferably central cut, which passes through the wall of the vent valve and is formed so that no material was cut away. This vent valve opens at negative pressure in the air chamber of the cap, in which the section spreads a little, and is sealed at overpressure in the air chamber in which the valve is pressed together at the cut.
Weitere Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung einer bevorzugten Ausführungsform der Verpackung sowie anhand der Zeichnungen. Dabei zeigen: Further details of the invention will become apparent from the following description of a preferred embodiment of the package and from the drawings. Showing:
Figur 1 einen Längsschnitt durch die ganze Verpackung, FIG. 1 shows a longitudinal section through the entire packaging,
Figur 2 eine vergrößerte Darstellung des Bereichs B in Figur 1 ,  FIG. 2 shows an enlarged representation of the region B in FIG. 1,
Figur 3 eine teilweise weg geschnittene perspektivische Darstellung der  Figure 3 is a partially cut away perspective view of
Einzelheit B in einer noch größeren Darstellung und  Detail B in an even larger presentation and
Figur 4 eine alternative Ausführungsform der Verpackung. Figure 4 shows an alternative embodiment of the package.
Die gesamte Verpackung 1 ist in Figur 1 dargestellt und enthält einen formstabilen, elastisch verformbaren Außenbehälter 2, einen das Füllgut aufnehmenden Innenbeutel 3, der im gefüllten Ausgangszustand an der Innenwand des Außenbehälters 2 anliegt und in dessen Halsbereich fest mit dem Außenbehälter 2 verbunden ist. Der Innenbeutel ist am Boden des Außen¬ behälters fixiert. Auf dem Hals des Außenbehälters 2 ist ein Ventil 4 befestigt, durch dessen Austrittsöffnung 5 beim Zusammendrücken des Außenbehälters 2 Füllgut abgegeben wird. Dabei zieht sich der Innenbeutel 3 entsprechend zusammen, ohne dass Umgebungsluft zum Druckausgleich in den Innenbeutel eintritt, so dass es sich bei der Verpackung um ein sogenanntes Airless-System handelt. Der Außenbehälter 2 wird zweckmäßigerweise von einem Benutzer seitlich zusammengedrückt, um Füllgut abzugeben, wobei der Außenbehälter auch als Quetschbehälter bezeichnet werden kann. The entire package 1 is shown in Figure 1 and contains a dimensionally stable, elastically deformable outer container 2, one of the contents receiving inner bag 3, which rests in the filled initial state on the inner wall of the outer container 2 and in the neck region is firmly connected to the outer container 2. The inner bag is fixed to the bottom of the outer ¬ container. On the neck of the outer container 2, a valve 4 is attached, is discharged through the outlet opening 5 when squeezing the outer container 2 contents. In this case, the inner bag 3 contracts accordingly without ambient air enters the inner bag for pressure equalization, so that the packaging is a so-called airless system. The outer container 2 is expediently compressed laterally by a user to deliver contents, wherein the outer container can also be referred to as squeeze container.
Die Figuren 2 und 3 zeigen in näheren Einzelheiten, dass das Ventil 4 im wesentlichen aus einem sich quer über die Öffnung 6 des Außenbehälters 2 erstreckenden Basiskörper 7 und einer Kappe 8 besteht, die außen auf den Hals des Außenbehälters 2 aufgeschnappt ist. Der Basiskörper 7, der beispielsweise aus HDPE besteht, liegt dabei mit seinem kreisförmigen Randbereich auf dem oberen Rand des Behälterhalses 9 auf, und wird von der Kappe 8 fest an den Behälterhals 9 angedrückt. Figures 2 and 3 show in more detail that the valve 4 consists essentially of a transversely across the opening 6 of the outer container 2 extending base body 7 and a cap 8 which is snapped on the outside of the neck of the outer container 2. The base body 7, which consists for example of HDPE, lies with its circular edge region on the upper edge of the container neck 9, and is pressed by the cap 8 fixed to the container neck 9.
Der Basiskörper 7 enthält in dem sich quer über die Öffnung 6 des Behälterhalses 9 erstreckenden, plattenförmigen Abschnitt 10 mehrere über den Umfang verteilte Durchgangsbohrungen 1 1 , die den Innenraum des Innenbeutels 3 mit einem über dem plattenförmigen Abschnitt 10 liegenden Aufnahmeraum 12 für das Füllgut verbinden. Der Basiskörper 7 enthält ferner einen mittig sich in Längsrichtung des Außenbehälters 2 erstreckenden Zapfen 1 3, der in der Mitte des Aufnahmeraums 1 2 für das Füllgut zu der oberen Abschlusswand 14 der Kappe 8 verläuft und im nicht-betätigten Zustand der Verpackung die Austrittsöffnung 5 dicht verschließt. The base body 7 includes in the extending transversely across the opening 6 of the container neck 9, plate-shaped portion 10 a plurality of circumferentially distributed through holes 1 1, which connect the interior of the inner bag 3 with a lying above the plate-shaped portion 10 receiving space 12 for the contents. The base body 7 further includes a centrally extending in the longitudinal direction of the outer container 2 pin 1 3, which extends in the middle of the receiving space 1 2 for the contents to the upper end wall 14 of the cap 8 and in the non-actuated state of the package, the outlet opening 5 tight closes.
Der Basiskörper 8 enthält ferner einen sich nach oben, d.h. in Richtung der oberen Abschlusswand 14 der Kappe, sich erstreckenden ringförmigen Flansch 1 5, der an seinem freien Ende eine radial nach innen weisende Hinterschneidung aufweist. The base body 8 further includes an upwardly, ie in the direction of the upper end wall 14 of the cap, extending annular flange 1 5, which has at its free end a radially inwardly facing undercut.
Die Kappe 8, die beispielsweise aus PP besteht, übergreift im wesentlichen glockenförmig den Basiskörper 7 und den Behälterhals 9. Die aus starrem Kunststoff bestehende Kappe 8 ist fest mit einer Membran 1 6 verbunden, die beispielsweise aus TPE oder LLDPE besteht. Die Membran 1 6 bildet mit einem leicht nach außen gewölbten Abschnitt die obere Abschlusswand 14 der Kappe 8, die mittig die Austrittsöffnung 5 für das Füllgut enthält. Der Wandabschnitt 14 der Membran 1 6 enthält an der Innenseite um die Austrittsöffnung 5 herum einen verdickten Wandabschnitt 1 7, der im frei gegebenen, nicht gedrückten Zustand der Membran 1 6 fest auf der flachen Oberseite des Zapfens 1 3 aufliegt, und zwar durch die elastische Rückstellkraft der Membran 1 6. Die Austrittsöffnung 5 ist hierdurch dicht verschlossen. The cap 8, which consists for example of PP, engages over the base body 7 and the container neck 9 in a substantially bell-shaped manner. The cap 8 made of rigid plastic is fixedly connected to a membrane 16, which consists for example of TPE or LLDPE. The membrane 1 6 forms with a slightly outwardly curved portion of the upper end wall 14 of the cap 8, which contains the center of the outlet opening 5 for the contents. The wall portion 14 of the membrane 1 6 contains on the inside to the outlet opening 5 around a thickened wall portion 1 7, which rests in the released, not depressed state of the membrane 1 6 firmly on the flat top of the pin 1 3, by the elastic Restoring force of the membrane 1 6. The outlet opening 5 is thereby sealed.
Die Membran 1 6 ist mit dem Umfangsabschnitt 1 8 der oberen Abschlusswand 14 in eine ringförmige Aussparung der Kappe 8 eingepasst. The membrane 1 6 is fitted with the peripheral portion 1 8 of the upper end wall 14 in an annular recess of the cap 8.
Die Kappe 8 hat einen nach innen weisenden zylindrischen Ansatz 1 9, an dessen Innenseite ein entsprechender zylindrischer Ansatz 20 der Membran 16 anliegt, der mit einem wulstförmigen unteren Endabschnitt 21 das untere Ende des zylindrischen Abschnitts 19 der Kappe 8 dicht untergreift bzw. hintergreift. The cap 8 has an inwardly facing cylindrical projection 1 9, on the inside of a corresponding cylindrical projection 20 of the diaphragm 16 is applied, which engages under a bead-shaped lower end portion 21, the lower end of the cylindrical portion 19 of the cap 8 and engages behind.
Die Membran 1 6 ist in der bevorzugten Ausführungsform der Erfindung an die entsprechenden Flächen der Kappe 8 angespritzt und auf diese Weise einstückig mit der Kappe 8 verbunden. The membrane 1 6 is molded in the preferred embodiment of the invention to the corresponding surfaces of the cap 8 and connected in this way integrally with the cap 8.
Die zylindrische Membranwand 20 begrenzt zusammen mit der oberen Abschlusswand 1 4 die bereits erwähnte Aufnahmekammer 1 2 für das Füllgut. Am oberen radial äußeren Rand der Aufnahmekammer 1 2 ist der Querschnitt der oberen Abschlusswand 14 geschwächt (Bezugszeichen 21 a), um das elastische Ausbeulen der oberen Abschlusswand 14 durch unter Druck stehendes Füllgut in der Aufnahmekammer 1 2 zu erleichtern. Das Füllgut drückt dabei großflächig gegen die Membran wand 14, so dass unmittelbar ein ausreichend großer Spalt zwischen der Ringwand 1 7 und der Oberseite des Zapfens 1 3 entsteht, durch den Füllgut ungehindert austreten kann. Wenn das Füllgut eine Flüssigkeit ist, tritt sie mit einem in axialer Richtung der Bohrung 5 verlaufenden Strahl aus der Verpackung aus. Danach kehrt die obere Membranwand wieder in den Ausgangszustand zurück, in dem der Zapfen 1 3 die Austrittsöffnung 5 dicht verschließt. Die Kappe 8 rastet beim Anbringen auf dem ßehälterhals 9 mit dem wulstförmigen Abschnitt 21 am unteren Ende der zylindrischen Wände 1 9 und 20 hinter, d.h. in der Zeichnung unter, dem ringförmigen inneren Vorsprung 22 des ringförmigen Flansches 1 5 ein, wodurch eine hermetische Abdichtung gegenüber einer radial äußeren Ringkammer 23 geschaffen ist. Die Kappe 8 rastet ferner mit radial inneren, hakenförmigen Vorsprüngen 24 an axialen Stegen 25 unter der Außenwulst 26 am Behälterhals ein. The cylindrical membrane wall 20 defines together with the upper end wall 1 4, the already mentioned receiving chamber 1 2 for the contents. At the upper radially outer edge of the receiving chamber 1 2, the cross section of the upper end wall 14 is weakened (reference numeral 21 a) to the elastic buckling of the upper end wall 14 by pressurized medium in the receiving chamber 1 2 easier. The contents presses large area against the membrane wall 14 so that immediately a sufficiently large gap between the annular wall 1 7 and the top of the pin 1 3 is formed, can escape through the contents unhindered. If the filling material is a liquid, it exits from the packaging with a jet extending in the axial direction of the bore 5. Thereafter, the upper diaphragm wall returns to the initial state, in which the pin 1 3, the outlet opening 5 closes tightly. The cap 8 snaps when mounted on the neck neck 9 with the bead-shaped portion 21 at the lower end of the cylindrical walls 1 9 and 20 behind, ie, in the drawing, the annular inner projection 22 of the annular flange 1 5, whereby a hermetic seal against a radially outer annular chamber 23 is created. The cap 8 also engages with radially inner, hook-shaped projections 24 on axial webs 25 under the outer bead 26 on the container neck.
Am unteren Rand der insgesamt stufenförmig glockenartigen Kappe 8 befindet sich eine Dichtung 27, die vorzugsweise in eine umlaufende Nut in der Wand der Kappe 8 angespritzt ist und zwei radial voneinander beabstandete Dichtlippen 28 enthält, die in ringförmige Nuten in der Wand des Außenbehälters 2 eingreifen. Hierdurch ist ein unterer Luftraum 29 in der Kappe 8 gegenüber dem Außenbehälter 2 abgedichtet, abgesehen von wenigstens einer durch die Wand des Außenbehälters führenden Bohrung 30a, die den Zwischenraum zwischen dem Außenbehälter 2 und dem Innenbeutel 3 mit dem Innenraum der Luftkammer 29 verbindet, sowie von zwei diametral gegenüber liegenden Belüftungsventilen 30, durch die bei Unterdruck in der Luftkammer 29 Umgebungsluft zum Druckausgleich in die Luftkammer 29 eintreten kann, durch die jedoch bei Überdruck in der Luftkammer 29 keine Luft zur Außenatmosphäre hin entweichen kann. At the lower edge of the overall stepped bell-shaped cap 8 is a seal 27 which is preferably molded into a circumferential groove in the wall of the cap 8 and two radially spaced sealing lips 28 which engage in annular grooves in the wall of the outer container 2. As a result, a lower air space 29 is sealed in the cap 8 relative to the outer container 2, apart from at least one leading through the wall of the outer container bore 30 a, which connects the space between the outer container 2 and the inner bag 3 with the interior of the air chamber 29, and of two diametrically opposed vent valves 30 through which ambient air for pressure equalization in the air chamber 29 may occur at negative pressure in the air chamber 29 through which, however, can escape at excess pressure in the air chamber 29 no air to the outside atmosphere.
Hierzu haben die beiden sich jeweils über einen kurzen Kreisbogen erstreckenden Belüftungsventile 30 eine bezüglich dem Innenraum der Luftkammer 29 konvexe, d.h. zu dem Luftraum 29 hin vorgewölbte, vorzugsweise runde Form, wobei die Wand der Belüftungsventile jeweils einen mittigen, durch die Wand hindurchgehenden Schnitt 31 enthalten. For this purpose, the two each have a short arc extending ventilation valves 30 with respect to the interior of the air chamber 29 convex, ie to the air space 29 toward bulged, preferably round shape, the Wall of the ventilation valves each containing a central, passing through the wall section 31.
Zur Abgabe von Füllgut wird der Außenbehälter 2 seitlich zusammen gedrückt, wodurch bei hierdurch fest verschlossenen Belüftungsventilen 30 ebenfalls der Innenbeutel zusammen gedrückt wird und Füllgut, das durch die Bohrungen 1 1 in den Aufnahmeraum 1 2 gelangt ist und diesen ausfüllt, gegen die Innenseite der oberen Abschlusswand 14 drückt. Dadurch wird diese mit ihrem die Austrittsöffnung 5 umgebenden Wandbereich 1 7 von der Oberseite des Zapfens 1 3 abgehoben, so dass Füllgut ungehindert austreten kann. Nach Freigabe des Außenbehälters (d.h. Beendigung der Druckausübung) kehrt die obere Abschlusswand 14 der Membran wieder in den abdichtenden Zustand zurück. Infolge des verringerten Volumens des Innenbeutels ist in dem Zwischenraum zwischen dem Außenbehälter 2 und dem Innenbeutel 3 ein Unterdruck entstanden, der zu einem Unterdruck in der Luftkammer 29 führt, mit der Folge, dass Umgebungsluft zum Druckausgleich in den Luftraum und durch die Bohrung 30a in den Zwischenraum zwischen dem Außenbehälter 2 und dem Innenbeutel 3 eintritt. For dispensing of contents, the outer container 2 is pressed laterally together, thereby also firmly closed vent valves 30, the inner bag is pressed together and contents that has passed through the holes 1 1 in the receiving space 1 2 and this fills, against the inside of the upper End wall 14 presses. As a result, it is raised with its surrounding the outlet opening 5 wall portion 1 7 from the top of the pin 1 3, so that contents can escape unhindered. Upon release of the outer container (i.e., cessation of pressurization), the upper end wall 14 of the membrane returns to the sealing condition. Due to the reduced volume of the inner bag, a negative pressure is created in the space between the outer container 2 and the inner bag 3, which leads to a negative pressure in the air chamber 29, with the result that ambient air for pressure equalization in the air space and through the bore 30 a in the Interspace between the outer container 2 and the inner bag 3 occurs.
Die Ausführungsform der Figur 4 unterscheidet sich von der ersten Ausführungsform durch eine andere Abdichtung des Luftraums 29 gegenüber dem Außenbehälter 2. Der Außenbehälter 2 hat im Schulterbereich einen umlaufenden stufenförmigen Absatz 32, an den eine am unteren Rand der Kappe 8 angebrachte Dichtung 33 in radialer Richtung fest angedrückt ist. The embodiment of Figure 4 differs from the first embodiment by a different seal of the air space 29 relative to the outer container 2. The outer container 2 has in the shoulder region a circumferential step-shaped shoulder 32 to which a mounted at the bottom of the cap 8 seal 33 in the radial direction firmly pressed.
Es wird betont, dass die Erfindung nicht auf die beschriebenen und dargestellten Ausführungsformen beschränkt ist. Vielmehr sind alle offenbarten Merkmale der Ausführungsformen untereinander auf jede sinnvolle Weise auch einzeln miteinander kombinierbar. It is emphasized that the invention is not limited to the described and illustrated embodiments. Rather, all disclosed features of the embodiments with each other in any meaningful way individually combined.

Claims

Patentansprüche  claims
Verpackung, die einen im wesentlichen formstabilen, elastisch verformbaren Außenbehälter, einen darin angeordneten, leicht verformbaren, das Füllgut aufnehmenden Innenbeutel und ein Ventil aufweist, Packaging comprising an essentially dimensionally stable, elastically deformable outer container, an easily deformable inner bag accommodating the contents and a valve arranged therein,
dadurch gekennzeichnet, characterized,
dass das Ventil (4) einen sich über die Öffnung (6) des Außenbehälters (2) erstreckenden Basiskörper (7), der wenigstens eine Durchgangsöffnung (1 1 ) für das Füllgut und einen von dem Außenbehälter (2) weg weisenden Zapfen ( 1 3) aufweist, und eine auf dem Hals des Außenbehälters (2) befestigte, den Basiskörper (7) überdeckende Kappe (8) enthält, deren obere Abschlusswand ( 14) durch eine Membran (1 6) gebildet ist, die einen Aufnahmeraum ( 1 2) für das Füllgut zwischen der Kappe (8) und dem Basiskörper (7) begrenzt und eine Austrittsöffnung (5) für das Füllgut aufweist, die im drucklosen Zustand der Verpackung von dem Zapfen ( 1 3) verschlossen ist, in dem die Membran ( 1 6) mit dem die Austrittsöffnung (5) enthaltenden Bereich (1 7) unter Vorspannung an dem Zapfen ( 1 3) anliegt, wobei die Membran ( 1 6) bei Ausübung von Druck auf den Außenbehälter (2) durch das in dem Aufnahmeraum ( 1 2) befindliche, unter Druck stehende Füllgut von dem Zapfen ( 1 3) abgehoben wird, so dass Füllgut austreten kann, the valve (4) has a base body (7) extending over the opening (6) of the outer container (2), at least one passage opening (1 1) for the filling material and a pin (1 3) pointing away from the outer container (2) ), and one on the neck of the outer container (2) fixed, the base body (7) overlapping cap (8) whose upper end wall (14) by a membrane (1 6) is formed, which has a receiving space (1 2) for the filling between the cap (8) and the base body (7) limited and having an outlet opening (5) for the filling, which is closed in the unpressurized state of the package of the pin (1 3), in which the membrane (1 6th ) with the outlet opening (5) containing region (1 7) biased against the pin (1 3), wherein the membrane (1 6) upon exertion of pressure on the outer container (2) by the in the receiving space (1 2 ), pressurized contents of the pin (1 3) off above, so that contents can escape,
und dass die Kappe (8) einen von dem Aufnahmeraum ( 1 2) für das Füllgut getrennten, gegen den Aufnahmeraum ( 1 2) und den Außenbehälter (2) abgedichteten Luftraum (29) aufweist, der über wenigstens eine Bohrung (30a) durch die Wand des Außenbehälters (2) mit dem Zwischenraum zwischen dem Außenbehälter (2) und dem Innenbeutel (3) und über wenigstens ein Belüftungsventil (30) mit der Außenatmosphäre verbunden ist. Verpackung nach Anspruch 1 , and in that the cap (8) has an air space (29) which is separate from the receiving space (1 2) for the filling material and sealed against the receiving space (1 2) and the outer container (2), and which extends through at least one bore (30a) Wall of the outer container (2) with the space between the outer container (2) and the inner bag (3) and at least one vent valve (30) is connected to the outside atmosphere. Packaging according to claim 1,
dadurch gekennzeichnet,  characterized,
dass die Kappe (8) eine zylindrische Innenwand ( 1 9) aufweist, an deren Innenseite eine zylindrische Innenwand (20) der Membran (16) anliegt, die den Aufnahmeraum ( 1 2) für das Füllgut seitlich begrenzt.  in that the cap (8) has a cylindrical inner wall (1 9), on the inner side of which a cylindrical inner wall (20) of the membrane (16) rests, laterally delimiting the receiving space (1 2) for the filling material.
Verpackung nach Anspruch 2, Packaging according to claim 2,
dadurch gekennzeichnet,  characterized,
dass die zylindrische Innenwand (20) der Membran ( 1 6) das freie Ende der zylindrischen Innenwand (1 9) der Kappe (8) untergreift und hinter einen ringförmigen Vorsprung ( 1 5, 22) des Basiskörpers (7) eingerastet ist. that the cylindrical inner wall (20) of the membrane (1 6) engages under the free end of the cylindrical inner wall (1 9) of the cap (8) and behind an annular projection (1 5, 22) of the base body (7) is engaged.
Verpackung nach einem der Ansprüche 1 bis 3, Packaging according to one of claims 1 to 3,
dadurch gekennzeichnet, characterized,
dass die Membran ( 1 6) an die Kappe (8) angespritzt ist. that the membrane (1 6) is molded onto the cap (8).
Verpackung nach einem der Ansprüche 1 bis 4, Packaging according to one of claims 1 to 4,
dadurch gekennzeichnet, characterized,
dass der Basiskörper (7) auf dem Rand des Behälterhalses (9) aufliegt und von einer umlaufenden Schulter (32) der Kappe (8) gegen diesen gedrückt wird. in that the base body (7) rests on the edge of the container neck (9) and is pressed against it by a peripheral shoulder (32) of the cap (8).
Verpackung nach einem der Ansprüche 1 bis 5, Packaging according to one of claims 1 to 5,
dadurch gekennzeichnet, characterized,
dass die Kappe (8) mit hakenförmigen inneren Vorsprüngen (24) unter einer Außenwulst (26) am Rand des Behälterhalses (9) eingerastet ist. in that the cap (8) is latched with hook-shaped inner projections (24) under an external bead (26) on the edge of the container neck (9).
Verpackung nach einem der Ansprüche 1 bis 6, Packaging according to one of claims 1 to 6,
dadurch gekennzeichnet, characterized,
dass die Kappe (8) an ihrem äußeren Rand mit einer Dichtung (27) versehen ist, die in eine umlaufende Nut in der Schulter des Außenbehälters (2) eingreift oder mit Vorspannung auf der Schulter aufliegt. the cap (8) is provided at its outer edge with a seal (27) formed in a circumferential groove in the shoulder of the Outer container (2) engages or rests with bias on the shoulder.
8. Verpackung nach einem der Ansprüche 1 bis 7, 8. Packaging according to one of claims 1 to 7,
dadurch gekennzeichnet,  characterized,
dass das wenigstens eine Belüftungsventil (30) bei Überdruck in der Luftkammer (29) geschlossen und bei Unterdruck in der Luftkammer (29) geöffnet ist.  in that the at least one ventilation valve (30) is closed in the air chamber (29) when the pressure is overpressure and open at negative pressure in the air chamber (29).
9. Verpackung nach Anspruch 8, 9. Packaging according to claim 8,
dadurch gekennzeichnet,  characterized,
dass zwei diametral gegenüberliegende Belüftungsventile (30) ausgebildet sind.  that two diametrically opposed ventilation valves (30) are formed.
10. Verpackung nach einem der Ansprüche 8 oder 9, 10. Packaging according to one of claims 8 or 9,
dadurch gekennzeichnet,  characterized,
dass jedes Belüftungsventil (30) eine bezüglich der Luftkammer (29) konvexe Querschnittsform hat mit einem mittigen in Längsrichtung verlaufenden, durch die Wand des Belüftungsventils (30) hindurch gehenden Schnitt (31 ).  in that each venting valve (30) has a convex cross-sectional shape with respect to the air chamber (29), with a central longitudinal section (31) passing through the wall of the venting valve (30).
EP11718643.7A 2010-02-24 2011-02-18 Packaging Active EP2539245B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010009101A DE102010009101A1 (en) 2010-02-24 2010-02-24 packaging
PCT/DE2011/000149 WO2011103856A2 (en) 2010-02-24 2011-02-18 Packaging

Publications (2)

Publication Number Publication Date
EP2539245A2 true EP2539245A2 (en) 2013-01-02
EP2539245B1 EP2539245B1 (en) 2014-04-09

Family

ID=44356695

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Application Number Title Priority Date Filing Date
EP11718643.7A Active EP2539245B1 (en) 2010-02-24 2011-02-18 Packaging

Country Status (7)

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US (1) US8820578B2 (en)
EP (1) EP2539245B1 (en)
CN (1) CN102770356B (en)
BR (1) BR112012020834B1 (en)
DE (1) DE102010009101A1 (en)
MX (1) MX2012009150A (en)
WO (1) WO2011103856A2 (en)

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Also Published As

Publication number Publication date
EP2539245B1 (en) 2014-04-09
DE102010009101A1 (en) 2011-08-25
WO2011103856A3 (en) 2012-01-12
CN102770356A (en) 2012-11-07
US8820578B2 (en) 2014-09-02
US20120305566A1 (en) 2012-12-06
BR112012020834A2 (en) 2018-03-27
WO2011103856A2 (en) 2011-09-01
MX2012009150A (en) 2012-10-01
BR112012020834B1 (en) 2019-12-10
CN102770356B (en) 2014-07-16

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