EP2539244B1 - Emballage - Google Patents

Emballage Download PDF

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Publication number
EP2539244B1
EP2539244B1 EP11714681.1A EP11714681A EP2539244B1 EP 2539244 B1 EP2539244 B1 EP 2539244B1 EP 11714681 A EP11714681 A EP 11714681A EP 2539244 B1 EP2539244 B1 EP 2539244B1
Authority
EP
European Patent Office
Prior art keywords
valve
cap
outer container
packaging
wall
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.)
Active
Application number
EP11714681.1A
Other languages
German (de)
English (en)
Other versions
EP2539244A2 (fr
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 EP2539244A2 publication Critical patent/EP2539244A2/fr
Application granted granted Critical
Publication of EP2539244B1 publication Critical patent/EP2539244B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65D47/2062—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 stem
    • B65D47/2068—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 stem in which the stem is lowered by the pressure of the contents and thereby opening the valve
    • 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

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.
  • the DE 102 17 655 A1 a package in which the valve has a membrane with a sleeve-shaped projection which surrounds a pin of a base body extending over the opening of the outer container, wherein the filling material passes between the sleeve and the pin through to the outlet opening of a cap.
  • 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 sloping direction emerges, so that this package is limited suitable for dispensing liquid contents.
  • US 2007/045 356 A1 discloses a package with a single-shell container with a valve having the features of the preamble of claim 1. When contents have been dispensed from this package, air enters the container for pressure equalization. Even with this packaging, a discharged liquid jet can emerge obliquely.
  • EP 0 505 611 A2 discloses a package with a valve consisting of two components, namely a closure and a membrane body.
  • the closure is screwed onto the neck of an outer container or its shoulder part and engages with a projection in the container neck, with the interposition of a holder to which an inner bag is attached.
  • Diametrically opposite this projection of the closure body contains an upwardly projecting pin.
  • Through the closure body bores lead to the discharge of filling material and holes which open into air channels of the holder to introduce air into the space between the inner bag and the outer container.
  • the upper end of the closure body forms the membrane body, which has an outlet opening for the filling material. In the pressureless state, the pin closes this outlet opening, which is released when the filling material presses against the membrane body and lifts it.
  • DE 43 32 885 A1 discloses a package with an outer container and a compressible inner bag which is connected at its upper end with a so-called suspension, for example glued thereto, wherein the suspension is placed on the upper edge of the container.
  • a flapper valve is inserted, through which the space between the inner bag and the outer container is vented for pressure equalization.
  • the suspension with the flap valve is covered by a cap, under the edge of ambient air enters, which then passes to equalize pressure through the unfolded valve.
  • the present invention has for its object to provide a few parts existing, producible with little effort and composable packaging, which is preferably also suitable for liquid contents, it being to be ensured that an exiting liquid jet in the longitudinal direction of the container exits.
  • the valve has a base body which extends over the opening of the outer container and has at least one passage opening for the filling material and a valve holder which is located centrally on the base body and in which a valve body is fastened, one preferably cylindrical Valve holder has a tightly closing, elastically deformable partition wall and a valve pin facing away from the valve holder, wherein the partition with the valve holder an air chamber under it or the valve pin limits, and a mounted on the neck of the outer container, the base body and the valve body overlapping cap contains whose wall defines a receiving space for the filling material between the cap and the base body and has a central outlet opening for the filling material, which is closed in the non-pressurized state of the packaging of the valve pin, the bias of the elastically deformable Tr Partial wall on which the outlet opening containing region of the cap is applied, wherein the valve pin is pulled back by exerting pressure on the outer container by the located in the receiving space, pressurized product from the cap, so that contents can escape.
  • the air is compressed in the air chamber, which in the unpressurized state of the package after delivery of filling material together with the elasticity the partition again presses the valve pin firmly against the cap.
  • the valve holder is located radially within the preferably more through openings through the base body, which in turn are provided at the edge of the opening of the outer container, so that the valve holder occupies a large area, which acts on the pressure of the filling material to pull back the valve pin.
  • the invention provides that the cap has a hermetically separated from the receiving space for the contents, sealed against the receiving space and the outer container air space, at least one bore through the wall of the outer container with the space between the outer container and the inner bag and over at least one vent valve is connected 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 valve holder has a closed bottom wall and a circumferential, preferably circular cylindrical side wall, against which the partition wall is tight, wherein the air chamber located below the partition wall bounded by the partition and the spaced therefrom bottom wall of the valve holder and hermetically sealed against the receiving space for the contents.
  • the valve pin extends centrally from the partition in the direction of the upper wall of the cap and aligned with the outlet opening.
  • the dividing wall is fixedly attached to the circumferential side wall of the valve holder, e.g. glued to this.
  • the valve holder is preferably integrally formed on the base body.
  • the partition wall is not flat but cross-section corrugated or meandering. This contributes to the mobility of the valve pin by the pressure of the filling material in the upper receiving chamber of the cap.
  • the invention provides that on the inner wall of the cap adjacent to the outlet opening a guide means is attached to the valve pin.
  • a guide means is attached to the valve pin.
  • webs protrude from the inner wall of the cap, which extend over the range of movement of the valve pin on which the valve pin rests.
  • the air chamber has such dimensions, i. Such a height that the valve pin can be sufficiently pulled back from the outlet opening of the cap, so that the contents can freely escape from the outlet opening.
  • the packaging according to the invention is not only suitable for dispensing pasty or creamy filling material, but also for liquid filling material, which can emerge in the axial direction from the outlet opening of the cap.
  • valve holder As a material for the base body with the preferably integrally formed thereon valve holder are e.g. HDPE or PP suitable, while the valve body, for example, consists of TPE or LLDPE.
  • a suitable material for the cap is PP.
  • the valve consists of only two separate components, which can be quickly and easily attached to the outer container of the packaging.
  • the cap is provided at its radially outer edge with a seal in a circumferential groove in the shoulder of the outer container engages.
  • 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 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 cap can also be screwed onto the container neck.
  • the base body in the preferred embodiment is placed on the edge of the container neck, e.g. centered by an annular shoulder. Subsequently, the cap is placed, which engages with 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 of the outer container.
  • the sealing lip consists for example of TPE.
  • the system can also be pre-mounted on the filled bottle to be snapped.
  • a Aufprellvoroplasty is arranged at the filling station.
  • the ventilation valve has a convex cross-sectional shape with respect to the air chamber and preferably extends in an arcuate manner to 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.
  • the entire packaging 1 is in FIG. 1 represented and contains a dimensionally stable, elastically deformable outer container 2 and a filling material receiving inner bag 3 (s. Figure 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 3 is also connected 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 or Airfree 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 over 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 contains in the transversely over the opening 6 of the container neck 9 extending, plate-shaped section a plurality of circumferentially distributed through holes 10 which connect the interior of the inner bag 3 with a lying above the plate-shaped portion receiving space 11 for the contents.
  • the base body 7 also contains centrally a valve holder 12 which is provided by a circular or e.g. oval bottom wall 13 and a circular cylindrical or e.g. oval side wall 14 is formed, which extends from the bottom wall 13 in the direction of the top of the cap 8.
  • a corrugated partition wall 15 of a valve body 16 is fixedly mounted, which also includes a valve pin 17 which extends from the center of the partition wall 15 to the upper end wall of the cap 8.
  • the valve pin 17 and the partition wall 15 are integrally formed, wherein below the partition wall 15, an air space 18 is sealed enclosed.
  • the corrugated partition 15 has radially outside a circumferential wall portion 15 ', which is glued on the inside of the cylindrical peripheral wall 14 of the valve holder 12.
  • valve pin 17 The upper end portion of the valve pin 17 is guided by two or more distributed over the circumference, attached to the upper end wall of the cap 8 webs 19, when the valve pin 17 is pulled by standing in the receiving space 11 under pressure product, so that filling out the outlet opening 5 can emerge, wherein the valve pin 17 by the elasticity of the partition wall 15 and the compressed air in the air chamber 18 back in the FIG. 2 shown starting position is pushed back, in which the valve pin 17, the outlet opening 5 closes tightly.
  • the cap 8 engages when mounted on the container neck 9 with radially inner, hook-shaped projections 20 'on axial webs 20 under the outer bead 21 on the container neck.
  • a seal 22 which is glued, for example, in a circumferential groove in the wall of the cap 8 and two radially spaced sealing lips 23 which engage in annular grooves in the wall of the outer container 2.
  • a lower air chamber 24 is sealed in the cap 8 relative to the outer container 2, apart from at least two through the wall of the outer container leading holes 25 which connects the gap between the outer container 2 and the inner bag 3 with the interior of the air chamber 24, as well as two diametrically opposed vent valves 26 through which atmospheric pressure can occur in the air chamber 24 at low pressure in the air chamber 24, through which, however, can escape at excess pressure in the air chamber 24 no air to the outside atmosphere.
  • the two ventilation valves 26 each extending over a short arc of a circle have a convex one relative to the interior of the air chamber 24, i. to the air chamber 24 toward bulging shape, wherein the wall of the ventilation valves each have a central, passing through the wall section 27.
  • the outer container 2 For dispensing of contents, the outer container 2 is pressed laterally together, thereby also firmly closed vent valves 26, the inner bag is pressed together and filling, which fills the receiving space 11, presses against the top of the partition wall 15. As a result, it is pressed down with its pin 17, so that contents escape unhindered can. After release of the outer container (ie termination of the pressure application), the partition wall 15 returns with the valve pin 17 back into the sealing state. Due to the reduced volume of the inner bag, a negative pressure has resulted in the space between the outer container 2 and the inner bag 3, which leads to a negative pressure in the air chamber 24, with the result that ambient air for pressure equalization in the air chamber and through the bore 25 in the Interspace between the outer container 2 and the inner bag 3 occurs.
  • the circumferential wall portion 15a 'of the partition wall 15a of the valve body abuts on the outside of the cylindrical peripheral wall 14a of the valve holder with an olive gasket therebetween.

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  • 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)

Claims (10)

  1. Emballage, qui présente un récipient extérieur (2) essentiellement de forme stable, élastiquement déformable, et une soupape, sachant que la soupape (4) comporte un corps de base (7) s'étendant au-dessus de l'ouverture du récipient extérieur, lequel corps de base présente au moins une ouverture de passage (10) pour le produit de remplissage et un support de soupape (12), dans lequel est fixé un corps de soupape (16), qui présente une paroi de séparation (15) fermant de manière hermétique le support de soupape (12), élastiquement déformable, et un axe de soupape (17) dirigé de manière à s'éloigner du récipient extérieur, sachant que la paroi de séparation (15) délimite avec le support de soupape (12) un espace rempli d'air (18) sous l'axe de soupape (17), ainsi qu'un capuchon (8) fixé sur le col (9) du récipient extérieur (2), recouvrant le corps de base (7) et le corps de soupape (16), lequel capuchon délimite un espace de réception (11) pour le produit de remplissage entre le capuchon (8) et le corps de base (7) et présente une ouverture de sortie (5) pour le produit de remplissage, qui est fermée dans l'état sans pression de l'emballage par l'axe de soupape (17), lequel repose, sous l'action d'une précontrainte de la paroi de séparation (13) élastiquement déformable, au niveau de la zone, comportant l'ouverture de sortie (5), du capuchon (8), sachant que l'axe de soupape (17) est retiré du capuchon lors de l'application d'une pression sur le récipient extérieur (2) exercée par le produit de remplissage sous pression se trouvant dans l'espace de réception de sorte que le produit de remplissage peut sortir,
    caractérisé en ce que
    un sachet intérieur légèrement déformable, recevant le produit de remplissage est disposé dans le récipient extérieur (2),
    et en ce que le capuchon (8) présente un espace rempli d'air (24) séparé de l'espace de réception (11) pour le produit de remplissage, étanchéifié par rapport à l'espace de réception (11) et au récipient extérieur (2), lequel espace rempli d'air est relié à l'espace intermédiaire entre le récipient extérieur (2) et le sachet intérieur (3) par l'intermédiaire au moins d'un alésage (25), à travers la paroi du récipient extérieur (2), et à l'atmosphère extérieure par l'intermédiaire d'au moins une soupape d'aération (26), sachant que la soupape d'aération (26) au moins au nombre de une est fermée en présence d'une surpression dans la chambre remplie d'air (24) et est ouverte en présence d'une dépression dans la chambre remplie d'air (24), et
    en ce qu'est placé au niveau de la paroi intérieure du capuchon (8), à côté de l'ouverture de sortie (5), un système de guidage, qui présente deux entretoises (19) ou plus, réparties sur la périphérie de l'ouverture de sortie (5) aux fins du guidage de la section d'extrémité supérieure de l'axe de soupape (17).
  2. Emballage selon la revendication 1,
    caractérisé en ce que
    le support de soupape (12) présente une paroi de fond (13) fermée et une paroi latérale (14) circulaire cylindrique, au niveau de laquelle la paroi de séparation (15) repose de manière hermétique, sachant que la chambre remplie d'air (18) est délimitée par la paroi de séparation (15) et par la paroi de fond (12) espacée de la paroi de séparation.
  3. Emballage selon la revendication 2,
    caractérisé en ce que
    la paroi de séparation (15) est placée de manière hermétique au niveau de la paroi latérale (14) périphérique du support de soupape (12) par collage ou par un assemblage par clipsage ou par un joint d'étanchéité à olive.
  4. Emballage selon la revendication 3,
    caractérisé en ce que
    la paroi de séparation (15) s'étend de manière ondulée en section transversale.
  5. Emballage selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que
    la paroi du capuchon (8) et le corps de base (7) délimitent l'espace de réception (11) destiné au produit de remplissage.
  6. Emballage selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    le corps de base (7) repose sur le bord du col de récipient (9) et est pressé contre ce dernier par un épaulement (28) périphérique du capuchon (8).
  7. Emballage selon l'une quelconque des revendications 1 à 6,
    caractérisé en ce que
    le capuchon (8) est en prise avec des saillies (20') intérieures en forme de crochet sous un bourrelet (21) extérieur sur le bord du col du récipient.
  8. Emballage selon l'une quelconque des revendications 1 à 7,
    caractérisé en ce que
    le capuchon (8) est pourvu d'un joint d'étanchéité (22) sur son bord extérieur, qui vient en prise avec une rainure périphérique dans l'épaulement du récipient extérieur (2) et qui repose avec une précontrainte sur la face de ce dernier.
  9. Emballage selon la revendication 1,
    caractérisé en ce que
    deux soupapes d'aération (26) diamétralement opposées sont réalisées.
  10. Emballage selon l'une quelconque des revendications 1 ou 9,
    caractérisé en ce que
    chaque soupape d'aération (26) présente une forme de section transversale convexe par rapport à la chambre remplie d'air (24), avec une coupe (27) centrale s'étendant dans la direction longitudinale, traversant la paroi de la soupape d'aération (26).
EP11714681.1A 2010-02-24 2011-02-18 Emballage Active EP2539244B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010009102.2A DE102010009102B4 (de) 2010-02-24 2010-02-24 Doppelwandige Quetschflasche mit Ventil im Airless-System
PCT/DE2011/000146 WO2011103855A2 (fr) 2010-02-24 2011-02-18 Emballage

Publications (2)

Publication Number Publication Date
EP2539244A2 EP2539244A2 (fr) 2013-01-02
EP2539244B1 true EP2539244B1 (fr) 2015-01-07

Family

ID=44356696

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11714681.1A Active EP2539244B1 (fr) 2010-02-24 2011-02-18 Emballage

Country Status (7)

Country Link
US (1) US8955715B2 (fr)
EP (1) EP2539244B1 (fr)
CN (1) CN102770355B (fr)
BR (1) BR112012020835B1 (fr)
DE (1) DE102010009102B4 (fr)
MX (1) MX2012009852A (fr)
WO (1) WO2011103855A2 (fr)

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US6953027B2 (en) * 2003-03-07 2005-10-11 Siemens Vdo Automotive Inc. Flow-through diaphragm for a fuel vapor pressure management apparatus
US7195138B2 (en) * 2005-08-25 2007-03-27 Continental Afa Dispensing Company Container closure with biased closed valve
DE102007046625B4 (de) 2007-09-27 2012-06-06 Gaplast Gmbh Vorrichtung zum getrennten Aufbewahren einer Substanz, vorzugsweise eines medizinischen oder pharmazeutischen Wirkstoffs, und einer Flüssigkeit und zum Mischen derselben vor dem Gebrauch
DE102009048476B3 (de) 2009-10-07 2010-09-16 Gaplast Gmbh Einwegventil
US8464908B1 (en) 2011-02-17 2013-06-18 Norman W. Tabor Multi-directional fluid dispenser

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CN102770355B (zh) 2015-06-03
DE102010009102B4 (de) 2014-08-28
CN102770355A (zh) 2012-11-07
WO2011103855A2 (fr) 2011-09-01
US20120305602A1 (en) 2012-12-06
EP2539244A2 (fr) 2013-01-02
WO2011103855A3 (fr) 2012-02-02
MX2012009852A (es) 2012-09-21
US8955715B2 (en) 2015-02-17
DE102010009102A1 (de) 2011-08-25
BR112012020835A2 (pt) 2018-03-27
BR112012020835B1 (pt) 2019-12-10

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