EP0200164A1 - Device for mixing and distributing a mixture composed of two elements, e.g. liquids, and a propellant - Google Patents

Device for mixing and distributing a mixture composed of two elements, e.g. liquids, and a propellant Download PDF

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Publication number
EP0200164A1
EP0200164A1 EP86105674A EP86105674A EP0200164A1 EP 0200164 A1 EP0200164 A1 EP 0200164A1 EP 86105674 A EP86105674 A EP 86105674A EP 86105674 A EP86105674 A EP 86105674A EP 0200164 A1 EP0200164 A1 EP 0200164A1
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EP
European Patent Office
Prior art keywords
inner container
closure
container
opening
membrane
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
EP86105674A
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German (de)
French (fr)
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EP0200164B1 (en
Inventor
Faith Pershall
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Fpd Future Patents Development Co Sa
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Fpd Future Patents Development Co Sa
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Priority claimed from DE19833323452 external-priority patent/DE3323452A1/en
Priority claimed from DE19843405064 external-priority patent/DE3405064A1/en
Application filed by Fpd Future Patents Development Co Sa filed Critical Fpd Future Patents Development Co Sa
Publication of EP0200164A1 publication Critical patent/EP0200164A1/en
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Publication of EP0200164B1 publication Critical patent/EP0200164B1/en
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    • 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
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/60—Contents and propellant separated

Definitions

  • the invention relates to a device for producing and spraying a mixture consisting of at least two components, for example liquids, and a propellant gas, according to the preamble of patent claim 1.
  • the present invention has for its object to provide a device of the type mentioned in the preamble of claim 1, which is not only structurally simple, but is also extremely reliable, in particular in which a defined fluid connection between the inner and outer container is made and maintained can be, so that a good mixing of the components is guaranteed.
  • the means associated with the opening of the inner container for fixing the pressed-in closure membrane ensures that the predetermined fluid connection between the inner and outer containers is maintained after the inner container has been opened.
  • Said means for fixing the closure membrane are preferably designed in the form of retaining ribs, cams or the like arranged in the opening of the inner container.
  • the valve body of the dispensing valve arranged on the outer container also serves as a closure of the inner container, the opening edge of the inner container abutting the valve body in a fluid-tight manner.
  • the sealing membrane is then an integral part of the valve body.
  • the device or the two-chamber container according to FIG. 1 comprises an outer standard aerosol container 10 with a dispensing valve 14 which is conventionally contained in a lid 17 which is tightly fastened to the opening edge 15 of the outer container 10, and an inner container 12 which also consists of a corrosion-resistant material stands like the outer container 10.
  • the outer container 10 contains a product component A
  • the inner container 12 contains a product component B and a suitable propellant T.
  • the dispensing valve 14 fastened in the cover 17 consists of a valve body 18 and an actuating and dispensing tube 30, which is axially movable in this, through which the mixture can be removed from the containers 10, 12.
  • the delivery tube 30 is still closed with a cap 39.
  • the dispensing tube 30 can be moved axially inward against the action of a helical spring 46, the helical spring 46 being supported on the valve body 18 on the one hand and on an annular shoulder 48 formed on the dispensing tube 30 on the other hand.
  • the valve body 18 is anchored in the cover 17 in a positive and non-positive manner.
  • the inner container 12 is designed in the manner of a bottle with a tapered bottle neck 19.
  • the closure 41 of the inner container as shown very clearly in FIGS.
  • closure hood which is placed over the opening edge 24 of the bottle neck 19.
  • the fluid seal between the interior of the inner container and the interior of the outer container takes place by means of an annular seal 34 arranged between the opening edge 24 and the closure hood 4, the additional function of which is explained in more detail with reference to FIGS. 4 and 5.
  • the closure cap 41 is clamped between the opening edge 24 of the inner container 12 or the ring seal 34 and the valve body 18 of the dispensing valve 14, the clamping effect being achieved by an elastic element acting on the bottom of the inner container 12, which at the same time provides lower support and centering the inner container 12 within the outer container 10.
  • the contact pressure of this elastic element 20 is so great that a secure seal with respect to the filling space of the outer container 10 is obtained between the closure cap 41 and the opening edge 24 of the inner container 12, including the ring seal 34.
  • the elastic element 20 is formed by a pot-like holder comprising the bottom region of the inner container 12 with feet 42 which are elastically supported with respect to the side and bottom walls of the outer container 10.
  • the pot-like holder also serves to fix the inner container 12 within the outer container 10 and to press it elastically against the closure 41 or valve body 18 of the dispensing valve 14.
  • the lower edge of the closure hood 41 is provided with inwardly projecting latching cams or an inwardly projecting latching bead 23 which engage behind the opening edge 24 (see FIGS. 2 to 5).
  • the actual fixing of the closure hood 41 in the filled state of the two containers takes place — as explained above — by the clamping between the opening edge 24 of the inner container 12 and the valve body 18 of the dispensing valve 14.
  • the elastic pressure of the inner container 12 or the opening edge 24 against the closure cap 41 and thus against the valve body of the dispensing valve 14 can also by an effective between the bottom 38 of the outer container 10 and the bottom 40 of the inner container 12 spring element, for. B. coil spring.
  • the delivery tube 30 Before the device is put into use, the delivery tube 30 is in the position shown in FIGS. 1 and 2.
  • the dispensing tube 30 of the dispensing valve 14 is pressed axially inward and a closure membrane 28 designed here in the form of a cap is pushed into a central passage, breaking open an annular predetermined breaking point 43, which, in the exemplary embodiment shown, the component outlet opening 26 of the inner container 12 defines and is an integral part of the closure cap 41.
  • the broken or opened state of the inner container 12 is shown in Figure 3.
  • the closure membrane 28, as can be clearly seen in FIGS. 2 to 5, is an integral part of the closure hood 41 and is connected to it via a predetermined breaking point in the form of an annular weak point 43.
  • the closure membrane 28 pushed or pressed into the opening 26 by means of the delivery tube 30 is held in this opening by three longitudinal ribs 45 which are evenly distributed over the circumference, forming a defined fluid connection between the interior of the inner container and the interior of the outer container (arrow 27 in Figure 3).
  • a conventional riser tube 50 is connected to the passage defining the container outlet opening 26.
  • the double function of the ring seal 34 will be explained in more detail with reference to FIGS. 4 and 5.
  • the ring seal 34 thus also acts as a check valve.
  • the closure hood 41 has openings 58 which are in the region of an annular gap 13 between the central passage defining the container opening 26 and the bottle neck 19 of the inner container 12 lie.
  • the closed position of the ring seal 34 is shown in Figure 5.
  • the propellant gas located inside the inner container 12 presses the ring seal 34 upward in such a way that the passages 58 in the closure hood 41 are closed.
  • the direction of pressure of the propellant gas T is identified by the arrows 31 in FIG.
  • the ring seal 34 When the inner container 12 is filled with propellant gas (arrow 21 in FIG. 4) through the passages 58, the ring seal 34 is pressed inward into the finger gap 13 with the formation of a fluid connection between the passages 58 and the ring gap 13.
  • the ring seal 34 accordingly has a Dual function.
  • ball check valves or check membranes could also be arranged in the passages 58.
  • the embodiment shown in FIGS. 4 and 5 with the ring seal 34 is the simplest possible solution in terms of design effort.
  • closure 41 according to FIGS. 1-5 could also be formed as an integral part of the Venilitati 18.
  • the closure 41 of the inner container 12 for the purpose of filling it with propellant gas has three outer longitudinal grooves 51, 53 and 55 arranged uniformly distributed over the circumference, each of which almost overlaps the entire length of the fully assembled or closed state after filling (see FIG. 7) of the inner container 12 extends into this projecting closure section 47.
  • the inner container 12 is filled as follows: First, the liquid component B is filled into the inner container .12. 6 is inserted into the opening of the inner container 12 designed in the manner of a bottle neck 19, in such a way that the longitudinal grooves 51, 53 and 55 ensure a fluid connection between the interior of the inner container and the external environment is.
  • liquid propellant is filled into the interior of the inner container 12 through the longitudinal grooves 51, 53, 55 by means of a filling head (arrows 21).
  • the closure 41 is pushed or pressed completely into the opening of the inner container 12 according to FIG. 7 by the filling head, with elastic deformation of three on the outer circumference of the closure section 47 being evenly distributed over the latter and each between two longitudinal grooves 51, 53 or 53, 55 and 55, 51 arranged longitudinal ribs 33, 35, 37, through which the closure 41 is held in a fluid-sealing manner in the container opening while closing the longitudinal grooves 51, 53, 55.
  • the length 29 of the ribs 33, 35, 37 corresponds approximately to half the length of the section 47 of the closure 41 projecting into the inner container 12.
  • the ring seal 34 comes in the closed state of the inner container 12 with the opening edge 44 on the one hand and with one on the closure 41 arranged ring shoulder 11 on the other hand in a fluid-tight system (see Fig. 7), the ring shoulder 11 on the side facing the ring seal 34 has a circumferential pressure rib 49 which ensures absolute tightness even at higher pressures inside the inner container.
  • the longitudinal ribs 6 are intended to hold the closure 41 in a fluid-sealing manner only in the opening of the inner container 12 until the inner container 12 is inserted into the outer container (not shown in FIGS. 6 to 8) and is fixed therein.
  • a permanent fluid seal between the interior of the inner container and the interior of the outer container is only ensured by clamping the closure 41 between the opening edge 24 of the inner container 1 2 and the valve body of the dispensing valve.
  • the 3 longitudinal ribs 33, 35 and 37 each extend downward from the annular shoulder 11 in the direction of the free end of the closure section 47 projecting into the container opening, the longitudinal extent 29 of the ribs 33, as shown , 35, 37 corresponds approximately to half the length of the closure section 47 projecting into the container opening or the inner container 12.
  • cap-like closure membrane 28 and the connection thereof with the rest of the closure body via the predetermined breaking point 43 and the membrane fixing ribs 45 correspond to the embodiment according to FIGS. 1 to 5.
  • the container outlet opening is also at the .
  • the riser tube 50 is fixed under a press fit, similar to the exemplary embodiments described above.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

1. Apparatus for the mixing and spraying of a mixture composed of at least two components (A, B), for example liquids, and a propellant gas (T), consisting of two containers (10, 12), arranged one inside the other, for receiving the components (A, B) to be mixed and the propellant gas (T) and of a dispensing valve (14), arranged on the outer container (10) and comprising a valve body (18) and a dispensing tube (30) mounted movably in the latter, with which valve it is possible to act on a closure (41), designed in the form of a closure membrane, of the inner container (12) in such a way that, upon normal actuation of the dispensing tube (30), the closure membrane (28) can be broken open and can be thrust or pressed into the inner container (12), characterized in that the closure membrane (28) is assigned an opening (26) of the inner container (12), and in that this opening (26) has means (45) for fixing the pressed-in closure membrane (28) with formation and maintenance of a fluid connection (27) between the interior of the inner container (12) and the interior of the outer container (10), the means for fixing the pressed-in closure membrane (28) being at least three longitudinal ribs (45) arranged distributed approximately evenly around the circumference, or retaining studs or the like arranged in container longitudinal direction.

Description

Die Erfindung betrifft eine Vorrichtung zum Herstellen und Versprühen einer aus wenigstens zwei Komponenten, zum Beispiel Flüssigkeiten, und einem Treibgas bestehenden Mischung, gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a device for producing and spraying a mixture consisting of at least two components, for example liquids, and a propellant gas, according to the preamble of patent claim 1.

Eine derartige Vorrichtung ist aus der EP-A-79 983 bekannt (Fig. 4a ibs 4f). Dort ist jedoch nicht sicher gewährleistet, daß die Fluidverbindung zwischen dem Innenraum des inneren Behälters und dem Innenraum des äußeren Behälters nach Öffnen des inneren Behälters in der vorbestimmten Weise aufrechterhalten bleibt.Such a device is known from EP-A-79 983 (Fig. 4a ibs 4f). There, however, there is no guarantee that the fluid connection between the interior of the inner container and the interior of the outer container will be maintained in the predetermined manner after the inner container has been opened.

Dementsprechend liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine Vorrichtung der im Oberbegriff des Patentanspruches 1 genannten Art zu schaffen, die nicht nur konstruktiv einfach, sondern darüber hinaus äußerst funktionssicher ist, bei der insbesondere eine definierte Fluidverbindung zwischen dem inneren und äußeren Behälter hergestellt und aufrechterhalten werden kann, so daß eine gute Vermischung der Komponenten gewährleistet ist.Accordingly, the present invention has for its object to provide a device of the type mentioned in the preamble of claim 1, which is not only structurally simple, but is also extremely reliable, in particular in which a defined fluid connection between the inner and outer container is made and maintained can be, so that a good mixing of the components is guaranteed.

Diese Aufgabe wird in denkbar einfacher Weise durch die kennzeichnenden Merkmale des Patentanspruches 1 gelöst. Durch die der Öffnung des inneren Behälters zugeordneten Mittel zur Fixierung der eingedrückten Verschlußmembran ist gewährleistet, daß die vorgegebene Fluidverbindung zwischen dem inneren und äußeren Behälter nach Öffnung des inneren Behälters erhalten bleibt. Die genannten Mittel zur Fixierung der Verschlußmembran sind vorzugsweise in Form von in der Öffnung des inneren Behälters angeordneten Halterippen, -nocken oder dergleichen ausgebildet. Vorzugsweise dient der am äußeren Behälter angeordnete Ventilkörper des Abgabeventils zugleich als Verschluß des inneren Behälters, wobei der Öffnungsrand des inneren Behälters fluiddicht am Ventilkörper anliegt. Die Verschlußmembran ist dann integraler Bestandteil des Ventilkörpers. Diese Konstruktion zeichnet sich durch ein Minimum an Bauteilen aus, insbesondere im Vergleich zum Beispiel zu der Vorrichtung nach der EP-A-62 817.This object is achieved in a very simple manner by the characterizing features of claim 1. The means associated with the opening of the inner container for fixing the pressed-in closure membrane ensures that the predetermined fluid connection between the inner and outer containers is maintained after the inner container has been opened. Said means for fixing the closure membrane are preferably designed in the form of retaining ribs, cams or the like arranged in the opening of the inner container. Preferably, the valve body of the dispensing valve arranged on the outer container also serves as a closure of the inner container, the opening edge of the inner container abutting the valve body in a fluid-tight manner. The sealing membrane is then an integral part of the valve body. This construction is characterized by a minimum of components, in particular in comparison to, for example, the device according to EP-A-62 817.

Von besonderer Bedeutung sind noch die Maßnahmen nach den Patentansprüchen 3, 4 sowie 9 bis 11, durch die zum einen eine Befüllung des inneren Behälters im bereits montierten Zustand innerhalb des äußeren Behälters möglich ist. Andererseits ist nach Befüllung des inneren Behälters eine Fluidabdichtung zwischen dem Innenraum des inneren Behälters und dem Innenraum des äußeren Behälters sichergestellt. Vor allem eignen sich diese Maßnahmen zum Befüllen des inneren Behälters mit dem Treibmittel.Of particular importance are the measures according to claims 3, 4 and 9 to 11, which on the one hand make it possible to fill the inner container in the already assembled state inside the outer container. On the other hand, after filling the inner container, a fluid seal is ensured between the interior of the inner container and the interior of the outer container. These measures are particularly suitable for filling the inner container with the propellant.

Nachstehend werden Ausführungsformen der erfindungsgemäßen Vorrichtung anhand der beigefügten Zeichnung näher erläutert. Es zeigen:

  • Fig. 1 einen Längs-bzw. Axialschnitt durch eine erfindungsgemäß ausgebildete Vorrichtung,
  • Fig. 2 den Öffnungs-und Mischmechanismus der Vorrichtung nach Fig. 1 im Längsschnitt undvergrößertem Maßstab, wobei der Verschluß des inneren Behälters fluiddicht verschlossen ist,
  • Fig. 3 den Öffnungs-und Mischmechanismus nach Fig. 2 mit aufgebrochenem Verschluß des inneren Behälters,
  • Fig. 4 den Verschluß des inneren Behälters nach den Fig. 1 bis 3 im Schnitt und noch größerem Maßstab zur Veranschaulichung der Befüllung des inneren Behälters mit Treibgas,
  • Fig. 5 den Verschluß des inneren Behälters gemäß Fig. 4 nach Befüllung des inneren Behälters mit Treibgas,
  • Fig. 6 einen modifizierten Verschluß des inneren Behälters im Schnitt unter Veranschaulichung der Befüllung des inneren Behälters mit Treibgas,
  • Fig. 7 den Verschluß des inneren Behälters gemäß Fig. 6 nach Befüllung des inneren Behälters mit Treibgas ebenfalls im Längs-bzw. Axialschnitt, und
  • Fig. 8 den Verschluß des inneren Behälters im Querschnitt längs Linie XI-XI in Fig. 6.
Embodiments of the device according to the invention are explained in more detail below with reference to the attached drawing. Show it:
  • Fig. 1 shows a longitudinal or. Axial section through a device designed according to the invention,
  • FIG. 2 shows the opening and mixing mechanism of the device according to FIG. 1 in longitudinal section and on an enlarged scale, the closure of the inner container being closed in a fluid-tight manner,
  • 3 shows the opening and mixing mechanism according to FIG. 2 with the closure of the inner container broken,
  • 4 shows the closure of the inner container according to FIGS. 1 to 3 in section and on an even larger scale to illustrate the filling of the inner container with propellant gas,
  • 5 shows the closure of the inner container according to FIG. 4 after the inner container has been filled with propellant gas,
  • 6 shows a modified closure of the inner container in section, illustrating the filling of the inner container with propellant gas,
  • FIG. 7 shows the closure of the inner container according to FIG. 6 after filling the inner container with propellant gas also in the longitudinal or. Axial section, and
  • 8 shows the closure of the inner container in cross section along line XI-XI in Fig. 6th

Die Vorrichtung bzw. der Zweikammerbehälter nach Fig. 1 umfaßt einen äußeren Standard-Aerosolbehälter 10 mit einem Abgabeventil 14 das in üblicher Weise in einem am Öffnungsrand 15 des äußeren Behälters 10 dicht befestigten Deckel 17 gefaßt ist sowie einen inneren Behälter 12, der aus einem ebenso korrosionsbeständigen Material besteht wie der äußere Behälter 10. Der äußere Behälter 10 enthält eine Füllgutkomponente A, der innere Behälter 12 eine Füllgutkomponente B sowie ein geeignetes Treibmittel T.The device or the two-chamber container according to FIG. 1 comprises an outer standard aerosol container 10 with a dispensing valve 14 which is conventionally contained in a lid 17 which is tightly fastened to the opening edge 15 of the outer container 10, and an inner container 12 which also consists of a corrosion-resistant material stands like the outer container 10. The outer container 10 contains a product component A, the inner container 12 contains a product component B and a suitable propellant T.

Das im Deckel 17 befestigte Abgabeventil 14 besteht aus einem Ventilkörper 18 und einem in diesem axial einwärts bewegbar gelagerten Betätigungs-und Abgaberöhrchen 30, durch welches die Mischung aus den Behältern 10, 12 entnehmbar ist. Das Abgaberöhrchen 30 ist noch mit einer Kappe 39 verschlossen. Das Abgaberöhrchen 30 ist entgegen der Wirkung einer Schraubenfeder 46 axial einwärts bewegbar, wobei die Abstützung der Schraubenfeder 46 am Ventilkörper 18 einerseits und an einer am Abgaberöhrchen 30 angeformten Ringschulter 48 andererseits erfolgt. Der Ventilkörper 18 ist im Deckel 17 form-und kraftschlüssig verankert. Der innere Behälter 12 ist nach Art einer Flasche mit verjüngtem Flaschenhals 19 ausgebildet. Der Verschluß 41 des inneren Behälters, wie die Figuren 2 bis 5 sehr deutlich zeigen, als Verschlußhaube ausgebildet, die über den Öffnungsrand 24 des Flaschenhalses 19 gestülpt ist. Die Fluidabdichtung zwischen dem Innenraum des inneren Behälters und dem Innenraum des äußeren Behälters erfolgt durch eine zwischen dem Öffnungsrand 24 und der Verschlußhaube 4 angeordnete Ringdichtung 34, deren zusätzliche Funktion anhand der Figuren 4 und 5 - noch näher erläutert wird. Die Verschlußhaube 41 ist zwischen dem Öffnungsrand 24 des inneren Behälters 12 bzw. der Ringdichtung 34 und dem Ventilkörper-18 des Abgabeventils 14 eingeklemmt, wobei die Klemmwirkung durch ein auf den Boden des inneren Behälters 12 wirkendes elastisches Element erzielt wird, das zugleich zur unteren Abstützung und Zentrierung des inneren Behälters 12 innerhalb des äußeren Behälters 10 dient. Der Anpreßdruck dieses elastischen Elements 20 ist so groß, daß zwischen der Verschlußhaube 41 und dem Öffnungsrand 24 des inneren Behälters 12 unter Einschluß der Ringdichtung 34 eine sichere Abdichtung gegenüber dem Füllraum des äußeren Behälters 10 erhalten wird.The dispensing valve 14 fastened in the cover 17 consists of a valve body 18 and an actuating and dispensing tube 30, which is axially movable in this, through which the mixture can be removed from the containers 10, 12. The delivery tube 30 is still closed with a cap 39. The dispensing tube 30 can be moved axially inward against the action of a helical spring 46, the helical spring 46 being supported on the valve body 18 on the one hand and on an annular shoulder 48 formed on the dispensing tube 30 on the other hand. The valve body 18 is anchored in the cover 17 in a positive and non-positive manner. The inner container 12 is designed in the manner of a bottle with a tapered bottle neck 19. The closure 41 of the inner container, as shown very clearly in FIGS. 2 to 5, is designed as a closure hood which is placed over the opening edge 24 of the bottle neck 19. The fluid seal between the interior of the inner container and the interior of the outer container takes place by means of an annular seal 34 arranged between the opening edge 24 and the closure hood 4, the additional function of which is explained in more detail with reference to FIGS. 4 and 5. The closure cap 41 is clamped between the opening edge 24 of the inner container 12 or the ring seal 34 and the valve body 18 of the dispensing valve 14, the clamping effect being achieved by an elastic element acting on the bottom of the inner container 12, which at the same time provides lower support and centering the inner container 12 within the outer container 10. The contact pressure of this elastic element 20 is so great that a secure seal with respect to the filling space of the outer container 10 is obtained between the closure cap 41 and the opening edge 24 of the inner container 12, including the ring seal 34.

Bei dem dargestellten Ausführungsbeispiel ist das elastische Element 20 durch eine den Bodenbereich des inneren Behälters 12 umfassende topfartige Halterung mit sich elastisch gegenüber Seiten-und Bodenwand des äußeren Behälters 10 abstützenden Füßen 42 gebildet. Die topfartige Halterung dient zugleich zur Fixierung des inneren Behälters 12 innerhalb des äußeren Behälters 10 und zur elastischen Andrückung gegen den Verschluß 41 bzw. Ventilkörper 18 des Abgabeventils 14. Zur Sicherung der Verschlußhaube 41 am Öffnungsrand 24 des inneren Behälters 12 bzw. an dessen Flaschenhals 19 während der Montage ist der untere Rand der Verschlußhaube 41 mit nach innen vorstehenden Rastnocken bzw. einem nach innen vorstehenden Rastwulst 23 versehen, die bzw. der den Öffnungsrand 24 hintergreifen (siehe Figuren 2 bis 5). Die eigentliche Fixierung der Verschlußhaube 41 im befüllten Zustand der beiden Behälter erfolgt jedoch -wie oben dargelegt -durch die Einklemmung zwischen dem Öffnungsrand 24 des inneren Behälters 12 und dem Ventilkörper 18 des Abgabeventiles 14.In the exemplary embodiment shown, the elastic element 20 is formed by a pot-like holder comprising the bottom region of the inner container 12 with feet 42 which are elastically supported with respect to the side and bottom walls of the outer container 10. The pot-like holder also serves to fix the inner container 12 within the outer container 10 and to press it elastically against the closure 41 or valve body 18 of the dispensing valve 14. To secure the closure hood 41 at the opening edge 24 of the inner container 12 or at the bottle neck 19 thereof during assembly, the lower edge of the closure hood 41 is provided with inwardly projecting latching cams or an inwardly projecting latching bead 23 which engage behind the opening edge 24 (see FIGS. 2 to 5). However, the actual fixing of the closure hood 41 in the filled state of the two containers takes place — as explained above — by the clamping between the opening edge 24 of the inner container 12 and the valve body 18 of the dispensing valve 14.

Die elastische Andrückung des inneren Behälters 12 bzw. dessen Öffnungsrandes 24 gegen die Verschlußhaube 41 und damit gegen den Ventilkörper des Abgabeventils 14 kann auch durch ein zwischen dem Boden 38 des äußeren Behälters 10 und dem Boden 40 des inneren Behälters 12 wirksames Federelement, z. B. Schraubenfeder, erfolgen.The elastic pressure of the inner container 12 or the opening edge 24 against the closure cap 41 and thus against the valve body of the dispensing valve 14 can also by an effective between the bottom 38 of the outer container 10 and the bottom 40 of the inner container 12 spring element, for. B. coil spring.

Vor Ingebrauchnahme der Vorrichtung befindet sich das Abgaberöhrchen 30 in der in Figur 1 bzw. 2 gezeigten Stellung. Zum Vermischen der beiden Füllgutkomponenten A und B wird das Abgaberöhrchen 30 des Abgabeventils 14 axial einwärts gedrückt und eine hier kappenartig ausgebildete Verschlußmembran 28 unter Aufbrechen einer ringförmigen Sollbruchstelle 43 in einen zentralen Durchgang geschoben, der bei dem dargestellten Ausführungsbeispiel die Komponenten-Austrittsöffnung 26 des inneren Behälters 12 definiert und integraler Bestandteil der Verschlußhaube 41 ist. Der aufgebrochene bzw. geöffnete Zustand des inneren Behälters 12 ist in Figur 3 dargestellt. Die Verschlußmembran 28 ist, wie die Figuren 2 bis 5 gut erkennen lassen, integraler Bestandteil der Verschlußhaube 41 und mit dieser über eine Sollbruchstelle in Form einer ringförmigen Schwachstelle 43 verbunden. Die in die Öffnung 26 mittels des Abgaberöhrchens 30 geschobene bzw. gedrückte Verschlußmembran 28 wird in dieser Öffnung durch drei gleichmäßig über den Umfang verteilt angeordnete Längsrippen 45 gehalten unter Ausbildung einer definierten Fluidverbindung zwischen dem Innenraum des inneren Behälters und dem Innenraum des äußeren Behälters (Pfeil 27 in Figur 3). An den die Behälter-Austrittsöffnung 26 definierenden Durchgang ist im übrigen ein herkömmliches Steigröhrchen 50 angeschlossen. Zum Zwecke des Aufbrechens der Verschlußhaube 41, d. h. zum Eindrücken der Verschlußmembran 28, ist der dieser zugewandte untere Betätigungsteil 16 des Abgaberöhrchens 30 stempelartig ausgebildet.Before the device is put into use, the delivery tube 30 is in the position shown in FIGS. 1 and 2. To mix the two filling components A and B, the dispensing tube 30 of the dispensing valve 14 is pressed axially inward and a closure membrane 28 designed here in the form of a cap is pushed into a central passage, breaking open an annular predetermined breaking point 43, which, in the exemplary embodiment shown, the component outlet opening 26 of the inner container 12 defines and is an integral part of the closure cap 41. The broken or opened state of the inner container 12 is shown in Figure 3. The closure membrane 28, as can be clearly seen in FIGS. 2 to 5, is an integral part of the closure hood 41 and is connected to it via a predetermined breaking point in the form of an annular weak point 43. The closure membrane 28 pushed or pressed into the opening 26 by means of the delivery tube 30 is held in this opening by three longitudinal ribs 45 which are evenly distributed over the circumference, forming a defined fluid connection between the interior of the inner container and the interior of the outer container (arrow 27 in Figure 3). A conventional riser tube 50 is connected to the passage defining the container outlet opening 26. For the purpose of breaking open the closure cap 41, i. H. to press in the closure membrane 28, the lower actuating part 16 of the delivery tube 30 facing it is designed in the form of a stamp.

Anhand der Figuren 4 und 5 soll die Doppelfunktion der Ringdichtung 34 näher erläutert werden. Die Ringdichtung 34 wirkt demnach zugleich als Rückschlagventil. Zur Befüllung des inneren Behälters 12 mit Treibgas im bereits montierten Zustand desselben (Pfeil 21 in Figur 4) weist die Verschlußhaube 41 Öffnungen 58 auf, die im Bereich eines Ringspaltes 13 zwischen dem zentralen, die Behälteröffnung 26 definierenden Durchgang und dem Flaschenhals 19 des inneren Behälters 12 liegen. Die Verschlußstellung der Ringdichtung 34 ist in Figur 5 dargestellt. Das sich im Inneren des inneren Behälters 12 befindliche Treibgas drückt die Ringdichtung 34 nach oben derart, daß die Durchgänge 58 in der Verschlußhaube 41 verschlossen sind. Die Druckrichtung des Treibgases T ist in Figur 5 mit den Pfeilen 31 gekennzeichnet. Beim Befüllen des inneren Behälters 12 mit Treibgas (Pfeil 21 in Figur 4) durch die Durchgänge 58 hindurch wird die Ringdichtung 34 nach innen in den Fingspalt 13 gedrückt unter Ausbildung einer Fluidverbindung zwischen den Durchgängen 58 und dem Ringspalt 13. Die Ringdichtung 34 hat demnach eine Doppelfunktion. Statt der Ringdichtung 34 könnten auch Kugel-Rückschlagventile oder Rückschlagmembranen in den Durchgängen 58 angeordnet sein. Die in den Figuren 4 und 5 dargestellte Ausführungsform mit der Ringdichtung 34 ist jedoch vom konstruktiven Aufwand die denkbar einfachste Lösung.The double function of the ring seal 34 will be explained in more detail with reference to FIGS. 4 and 5. The ring seal 34 thus also acts as a check valve. In order to fill the inner container 12 with propellant gas in the already assembled state (arrow 21 in FIG. 4), the closure hood 41 has openings 58 which are in the region of an annular gap 13 between the central passage defining the container opening 26 and the bottle neck 19 of the inner container 12 lie. The closed position of the ring seal 34 is shown in Figure 5. The propellant gas located inside the inner container 12 presses the ring seal 34 upward in such a way that the passages 58 in the closure hood 41 are closed. The direction of pressure of the propellant gas T is identified by the arrows 31 in FIG. When the inner container 12 is filled with propellant gas (arrow 21 in FIG. 4) through the passages 58, the ring seal 34 is pressed inward into the finger gap 13 with the formation of a fluid connection between the passages 58 and the ring gap 13. The ring seal 34 accordingly has a Dual function. Instead of the ring seal 34, ball check valves or check membranes could also be arranged in the passages 58. The embodiment shown in FIGS. 4 and 5 with the ring seal 34 is the simplest possible solution in terms of design effort.

Der Verschluß 41 gemäß den Fig. 1-5 könnte auch als integraler Bestandteil des Venilkörpers 18 ausgebildet sein.The closure 41 according to FIGS. 1-5 could also be formed as an integral part of the Venilkörper 18.

Bei der Ausführungsform nach den Fig. 6 bis 8 weist der Verschluß 41 des inneren Behälters 12 zum Zwecke des Befüllens mit Treibgas (Pfeile 21) desselben drei gleichmäßig über den Umfang verteilt angeordnete äußere Längsnuten 51, 53 und 55 auf, die sich jeweils nahezu über die gesamte Länge des im fertig montierten bzw. nach Befüllung verschlossenen Zustand (siehe Fig. 7) des inneren Behälters 12 in diesen ragenden Verschlußabschnitts 47 erstrecken. Die Befüllung des inneren Behälters 12 erfolgt wie nachstehend: Zuerst wird in den inneren Behälter .12 die flüssige Komponente B eingefüllt. Anschließend wird der Verschluß 41 entsprechend Fig. 6 in die nach Art eines Flaschenhalses 19 ausgebildete Öffnung des inneren Behälters 12 gesteckt, und zwar so, daß durch die Längsnuten 51, 53 und 55 eine Fluidverbindung zwischen dem Innenraum des inneren Behälters und der äußeren Umgebung sichergestellt ist. Dann wird mittels eines Füllkopfes flüssiges Treibmittel durch die Längsnuten 51, 53, 55 hindurch in den Innenraum des inneren Behälters 12 eingefüllt (Pfeile 21). Nach beendeter Füllung wird der Verschluß 41 durch den Füllkopf ganz in die Öffnung des inneren Behälters 12 entsprechend Fig. 7 geschoben bzw. gedrückt unter elastischer Verformung von drei am Außenumfang des Verschlußabschnitts 47 gleichmäßig über diesen verteilt und jeweils zwischen zwei Längsnuten 51, 53 bzw. 53, 55 bzw. 55, 51 angeordneten Längsrippen 33, 35, 37, durch die der Verschluß 41 in der Behälteröffnung unter Verschließen der Längsnuten 51, 53, 55 fluidabdichtend gehalten ist. Die Länge 29 der Rippen 33, 35, 37 entspricht etwa der halben Länge des in den inneren Behälter 12 ragenden Abschnitts 47 des Verschlusses 41. Die Ringdichtung 34 kommt im verschlossenen Zustand des inneren Behälters 12 mit dem Öffnungsrand 44 desselben einerseits und mit einer am Verschluß 41 ange ordneten Ringschulter 11 andererseits in fluiddichte Anlage (siehe Fig. 7), wobei die Ringschulter 11 an der der Ringdichtung 34 zugewandten Seite eine umlaufende Anpressrippe 49 aufweist, die eine absolute Dichtigkeit auch bei höheren Drücken im Innern des inneren Behälters gewährleistet.In the embodiment according to FIGS. 6 to 8, the closure 41 of the inner container 12 for the purpose of filling it with propellant gas (arrows 21) has three outer longitudinal grooves 51, 53 and 55 arranged uniformly distributed over the circumference, each of which almost overlaps the entire length of the fully assembled or closed state after filling (see FIG. 7) of the inner container 12 extends into this projecting closure section 47. The inner container 12 is filled as follows: First, the liquid component B is filled into the inner container .12. 6 is inserted into the opening of the inner container 12 designed in the manner of a bottle neck 19, in such a way that the longitudinal grooves 51, 53 and 55 ensure a fluid connection between the interior of the inner container and the external environment is. Then liquid propellant is filled into the interior of the inner container 12 through the longitudinal grooves 51, 53, 55 by means of a filling head (arrows 21). After the filling has been completed, the closure 41 is pushed or pressed completely into the opening of the inner container 12 according to FIG. 7 by the filling head, with elastic deformation of three on the outer circumference of the closure section 47 being evenly distributed over the latter and each between two longitudinal grooves 51, 53 or 53, 55 and 55, 51 arranged longitudinal ribs 33, 35, 37, through which the closure 41 is held in a fluid-sealing manner in the container opening while closing the longitudinal grooves 51, 53, 55. The length 29 of the ribs 33, 35, 37 corresponds approximately to half the length of the section 47 of the closure 41 projecting into the inner container 12. The ring seal 34 comes in the closed state of the inner container 12 with the opening edge 44 on the one hand and with one on the closure 41 arranged ring shoulder 11 on the other hand in a fluid-tight system (see Fig. 7), the ring shoulder 11 on the side facing the ring seal 34 has a circumferential pressure rib 49 which ensures absolute tightness even at higher pressures inside the inner container.

Die Längsrippen 6 sollen den Verschluß 41 nur so lange sicher in der Öffnung des inneren Behälters 12 fluidabdichtend halten, bis der innere Behälter 12 in den in den Fig. 6 bis 8 nicht dargestellten äußeren Behälter eingeführt und in diesem fixiert ist. Eine dauerhafte Fluidabdichtung zwischen dem Innenraum des inneren Behälters und dem Innenraum des äußeren Behälters ist nur durch die Einklemmung des Verschlusses 41 zwischen dem Öffnungsrand 24 des inneren Behälters 12 und dem Ventilkörper des Abgabeventils sichergestellt.The longitudinal ribs 6 are intended to hold the closure 41 in a fluid-sealing manner only in the opening of the inner container 12 until the inner container 12 is inserted into the outer container (not shown in FIGS. 6 to 8) and is fixed therein. A permanent fluid seal between the interior of the inner container and the interior of the outer container is only ensured by clamping the closure 41 between the opening edge 24 of the inner container 1 2 and the valve body of the dispensing valve.

Wie Fig. 6 erkennen läßt, erstrecken sich die 3 Längsrippen 33, 35 und 37 jeweils ausgehend von der Ringschulter 11 nach unten in Richtung zum freien Ende des in die Behälteröffnung ragenden Verschlußabschnitts 47 hin, wobei -wie dargelegt - die Längserstreckung 29 der Rippen 33, 35, 37 etwa der halben Länge des in die Behälteröffnung bzw. den inneren Behälter 12 hineinragenden Verschlußabschnitts 47 entspricht.As can be seen in FIG. 6, the 3 longitudinal ribs 33, 35 and 37 each extend downward from the annular shoulder 11 in the direction of the free end of the closure section 47 projecting into the container opening, the longitudinal extent 29 of the ribs 33, as shown , 35, 37 corresponds approximately to half the length of the closure section 47 projecting into the container opening or the inner container 12.

Die kappenartige Verschlußmembran 28 sowie die Verbindung derselben mit dem übrigen Verschlußkörper über die Ring-Sollbruchstelle 43 und die Membran-Fixierrippen 45 entsprechen der Ausführungsform nach den Fig. 1 bis 5. Diesbezüglich wird auf die dortigen Ausführungen verwiesen.The cap-like closure membrane 28 and the connection thereof with the rest of the closure body via the predetermined breaking point 43 and the membrane fixing ribs 45 correspond to the embodiment according to FIGS. 1 to 5. In this regard, reference is made to the explanations given there.

Die Behälter-Austrittsöffnung wird auch bei der . Ausführungsform nach den Fig. 6 bis 8 durch den axialen Durchgang 26 des Verschlußkörpers 41 gebildet. In diesem ist ähnlich wie bei den vorangehend beschriebenen Ausführungsbeispielen das Steigröhrchen 50 unter Preßsitz fixiert.The container outlet opening is also at the . Embodiment according to FIGS. 6 to 8 formed by the axial passage 26 of the closure body 41. In this, the riser tube 50 is fixed under a press fit, similar to the exemplary embodiments described above.

Sämtliche in den Unterlagen offenbarten Merkmale werden als erfindungswesentlich beansprucht, soweit sie einzeln oder in Kombination gegenüber dem Stand der Technik neu sind.All features disclosed in the documents are claimed as essential to the invention, insofar as they are new compared to the prior art, individually or in combination.

Claims (11)

1. Vorrichtung zum Mischen und Versprühen einer aus wenigstens zwei Komponenten (A, B) , zum Beispiel Flüssigkeiten, und einem Treibgas (T) bestehenden Mischung, bestehend aus zwei ineinander angeordneten Behälters (10, 12) zur Aufnahme der zu mischenden Komponenten (A, B) und des Treibgases (T) und einem am äußeren Behälter - (10) angeordneten, einen Ventilkörper (18) und ein in diesem beweglich gelagertes Abgaberöhrchen - (30) umfassenden Abgabeventil (14) , mit dem auf einen in Form einer Verschlußmembran ausgebildeten Verschluß (41) des inneren Behälters (12) derart einwirkbar ist, daß die Verschlußmembran - (28) bei normaler Betätigung des Abgaberöhrchens (30) in den inneren Behälter (12) hineinstoß-bzw. -drückbar ist,
dadurch gekennzeichnet, daß
der Verschlußmembran (28) eine Öffnung (26) des inneren Behälters (12) zugeordnet ist, und daß diese Öffnung (26) Mittel (45) zur Fixierung der eingedrückten Verschlußmembran (28) unter Ausbildung und Aufrechterhaltung einer Fluidverbindung (27) zwischen dem Innenraum des inneren Behälters (12) und dem Innenraum des äußeren Behälters (10) aufweist.1. Device for mixing and spraying a mixture consisting of at least two components (A, B), for example liquids, and a propellant gas (T), consisting of two containers (10, 12) arranged one inside the other for receiving the components to be mixed (A , B) and the propellant gas (T) and a dispensing valve (14) which is arranged on the outer container - (10) and comprises a valve body (18) and a dispensing tube (30) which is movably mounted therein, with which a valve in the form of a closure membrane trained closure (41) of the inner container (12) can be acted on in such a way that the closure membrane - (28) pushes in or out of the inner container (12) during normal actuation of the delivery tube (30). -pressable,
characterized in that
the closure membrane (28) is associated with an opening (26) of the inner container (12), and that this opening (26) means (45) for fixing the pressed-in closure membrane (28) while forming and maintaining a fluid connection (27) between the interior of the inner container (12) and the interior of the outer container (10). 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Verschluß (41) des inneren Behälters (12) deckel-oder haubenartig ausgebildet und mit einem zentralen, die Behälteröffnung (26) definierenden Durchgang versehen ist, der durch die Verschlußmembran (28) verschlossen ist.2. Device according to claim 1, characterized in that the closure (41) of the inner container (12) is formed like a lid or hood and is provided with a central passage defining the container opening (26), which is closed by the closure membrane (28) is. 3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Verschluß (41) außerhalb des zentralen durch die Verschlußmembran (28) verschlossenen Durchganges einen weiteren Durchgang (58) aufweist, dem ein Rückschlagventil zugeordnet ist, das unter dem im gefüllten inneren Behälter (12) herrschenden Druck in Schließstellung gehalten, zum Befüllen des inneren Behälters (12) jedoch öffenbar ist.3. Apparatus according to claim 2, characterized in that the closure (41) outside the central through the closure membrane (28) closed passage has a further passage (58), which is assigned a check valve, which is located under the in the filled inner container (12th ) prevailing pressure in the closed position, but can be opened for filling the inner container (12). 4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Rückschlagventil durch eine zwischen dem Verschluß (41) und dem inneren Behälter (Öffnungsrand 24) angeordnete Ringdichtung (34) gebildet ist.4. The device according to claim 3, characterized in that the check valve is formed by a between the closure (41) and the inner container (opening edge 24) arranged ring seal (34). 5. Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß der deckel-oder haubenartige Verschluß (41) unter der Wirkung eines elastischen Elementes (zum Beispiel untere Abstützung 20 des inneren Behälters 12 innerhalb des äußeren Behälters 10) gegen den Rand _(24) der zu verschließenden Öffnung des inneren Behälters (12) unter Ausbildung einer Fluidabdichtung zwischen inerem und äußerem Behälter gedrückt ist.5. Apparatus according to claim 3 or 4, characterized in that the lid or hood-like closure (41) under the action of an elastic element (for example lower support 20 of the inner container 12 within the outer container 10) against the edge _ (24th ) the opening of the inner container (12) to be closed is pressed to form a fluid seal between the inner and outer containers. 6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß der Verschluß (41) des inneren Behälters (12) klemmend zwischen diesem und dem Ventilkörper (18) des Abgabeventils (14) gehalten ist.6. The device according to claim 5, characterized in that the closure (41) of the inner container (12) is held clamped between the latter and the valve body (18) of the dispensing valve (14). 7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Mittel zur Fixierung der eingedrückten bzw. in die Öffnung (26) des inneren Behälters (12) gedrückten Verschlußmembran (28) mindestens drei etwa gleichmäßig über den Umfang verteilt angeordnete Längsrippen (45) oder in Behälterlängsrichtung angeordnete Haltenoppen oder dergleichen sind.7. Device according to one of claims 1 to 6, characterized in that the means for fixing the pressed or in the opening (26) of the inner container (12) pressed closure membrane (28) at least three approximately evenly distributed longitudinal ribs arranged around the circumference (45) or holding knobs arranged in the longitudinal direction of the container or the like. 8. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Verschlußmembran (28) über eine Sollbruchstelle - (Schwachstelle 43) mit dem übrigen Teil des Verschlusses (41) des inneren Behälters (12) verbunden ist.8. Device according to one of claims 1 to 7, characterized in that the closure membrane (28) via a predetermined breaking point - (weak point 43) with the rest of the closure (41) of the inner container (12) is connected. 9. Vorrichtung nach einem oder mehreren der Ansprüche 1, 2, 5-8, dadurch gekennzeichnet, daß der Verschluß (41) zum Zwecke des Befüllens (Pfeile 21) des inneren Behälters (12) mindestens eine, vorzugsweise drei, etwa gleichmäßig über den Umfang verteilt angeordnete äußere Längsnuten (51, 53 und/oder 55) aufweist, die sich jeweils nahezu über die gesamte Länge des im fertig montierten bzw. nach Befüllung verschlossenen Zustandes des inneren Behälters (12) in diesen ragenden Abschnitts (47) des Verschlusses (41) erstrecken.9. The device according to one or more of claims 1, 2, 5-8, characterized in that the closure (41) for the purpose of filling (arrows 21) of the inner container (12) at least one, preferably three, approximately evenly over the Has outer circumferential grooves (51, 53 and / or 55) distributed around the circumference, each of which extends almost over the entire length of the inner container (12) when it is fully assembled or closed after filling in this projecting section (47) of the closure ( 41) extend. 10. Vorrichtung nach einem der Ansprüche 1-9, dadurch gekennzeichnet, daß der im montierten Zustand in den inneren Behälter (12) ragende Abschnitt (47) des Verschlusses (41) am Außenumfang mindestens eine, vorzugsweise drei gleichmäßig über den Umfang verteilt und jeweils zwischen zwei Längsnuten (51, 53 bzw. 53, 55 bzw. 55, 51) angeordnete jeweils elastisch deformierbare Längsrippen (33, 35, 37), -noppen oder dergleichen aufweist, durch die der nach Befüllen des inneren Behälters (12) durch die Längsnuten - (51, 53, 55) hindurch in die Öffnung (Halsabschnitt 19) desselben unter Verschließen der Längsnuten - (51, 53, 55) geschobene Verschluß (41) fluidabdichtend gehalten ist.10. Device according to one of claims 1-9, characterized in that in the assembled state in the inner container (12) protruding from Section (47) of the closure (41) on the outer circumference at least one, preferably three, evenly distributed over the circumference and each arranged between two longitudinal grooves (51, 53 or 53, 55 or 55, 51), each elastically deformable longitudinal ribs (33, 35 , 37), knobs or the like, through which, after the inner container (12) has been filled, through the longitudinal grooves - (51, 53, 55) into the opening (neck section 19) of the same while closing the longitudinal grooves - (51, 53 , 55) pushed closure (41) is kept fluid-sealing. 11. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß die Längs (29) der Rippen (33, 35, 37) etwa der halben Länge des in den inneren Behälter (12) ragenden Abschnittes (47) des Verschlusses (41) entspricht.11. The device according to claim 10, characterized in that the longitudinal (29) of the ribs (33, 35, 37) corresponds approximately to half the length of the portion (47) of the closure (41) projecting into the inner container (12).
EP86105674A 1983-06-29 1984-06-27 Device for mixing and distributing a mixture composed of two elements, e.g. liquids, and a propellant Expired EP0200164B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19833323452 DE3323452A1 (en) 1983-06-29 1983-06-29 Device for mixing and spraying a mixture consisting of at least two components, e.g. liquids, and a propellant gas
DE3323452 1983-06-29
DE3405064 1984-02-13
DE19843405064 DE3405064A1 (en) 1984-02-13 1984-02-13 Device for producing and spraying a mixture consisting of at least two components, e.g. liquids, and a propellant gas

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EP0200164B1 EP0200164B1 (en) 1989-02-08

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EP86105674A Expired EP0200164B1 (en) 1983-06-29 1984-06-27 Device for mixing and distributing a mixture composed of two elements, e.g. liquids, and a propellant

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GB1069208A (en) * 1965-06-18 1967-05-17 Midland Aerosols Ltd Improvements in or relating to valves for pressurized aerosol dispensing containers
EP0024659A1 (en) * 1979-08-24 1981-03-11 Aerosol-Service Ag Twin-chamber package
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Also Published As

Publication number Publication date
EP0131204B1 (en) 1987-03-25
EP0131204A3 (en) 1985-05-15
DE3476649D1 (en) 1989-03-16
EP0200164B1 (en) 1989-02-08
DE3462776D1 (en) 1987-04-30
EP0131204A2 (en) 1985-01-16

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