EP0594135B1 - Spray can - Google Patents

Spray can Download PDF

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Publication number
EP0594135B1
EP0594135B1 EP93116892A EP93116892A EP0594135B1 EP 0594135 B1 EP0594135 B1 EP 0594135B1 EP 93116892 A EP93116892 A EP 93116892A EP 93116892 A EP93116892 A EP 93116892A EP 0594135 B1 EP0594135 B1 EP 0594135B1
Authority
EP
European Patent Office
Prior art keywords
spray
tube
spray tube
swivelled
top surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93116892A
Other languages
German (de)
French (fr)
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EP0594135A1 (en
Inventor
Doris Muschalik
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Individual
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Individual
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Publication date
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Publication of EP0594135A1 publication Critical patent/EP0594135A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D83/38—Details of the container body
    • 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
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • B65D83/30—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of spray, e.g. funnels, hoods
    • B65D83/303—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of spray, e.g. funnels, hoods using extension tubes located in or at the outlet duct of the nozzle assembly

Definitions

  • the invention relates to a spray can for spraying liquids under pressure with a base body and with a spray head which can be pressed down for spraying and a spray tube connected to it and pivotable when not in use to the spray can.
  • Such spray cans are well known - e.g. from DE-U-1 985 991 - and suitable for a wide variety of applications.
  • a disadvantage of known spray cans is the bottle-shaped design and their relative size for certain applications, so that carrying them directly, for example when medical-therapeutic or prophylactic measures are required, is usually somewhat cumbersome.
  • the present invention has for its object to provide a spray can which is small and handy and whose spray outlet is safely protected against unintentional misuse when not in use. In addition, this should enable direct spraying of discrete areas with an exact spray direction.
  • the invention provides that the spray can has a cuboid base and on its upper side adjacent to a narrow side of the base body in a recess in the top surface has the depressible spray head, which is designed to be pivotable together with the rigidly connected spray tube in such a way that the spray tube can be pivoted into a receiving gap below the top surface when not in use.
  • a small, handy spray can about the size of a cigarette box can be formed, which can be carried at any time. Due to the pivotable arrangement of the spray tube and its sinking when not in use below the top surface of the spray can, this also provides secure protection and locking against unintentional use.
  • the top surface is step-shaped in a cross section, namely with a step from the height of the spray head plus the free path for depressing the spray head.
  • This top surface can then freely project beyond the area of the swiveled-in spray tube in order to ensure special protection for the spray tube.
  • the step-like lowered surface has a clamping attachment of the height of the spray head free path such that the spray tube between this clamping attachment and the protruding area of the top surface can be locked. This ensures a particularly secure mounting of the spray tube.
  • the spray opening of the spray tube is covered in a sealed manner by a side face of the spray can in the pivoted-in state. This ensures protection of the spray tube opening against contamination. In addition, accidental leakage of spray liquid is prevented.
  • the spray can has a lateral recessed grip in the region of the swiveled-in end of the spray tube.
  • the spray can first has a cuboid base body 1 for receiving the spray liquid and any propellant.
  • the top surface 2 is provided approximately in the middle with a step-shaped shoulder 3, on the one end of which adjoins a narrow side of the base body 1 of FIG depressible spray head 4 is arranged.
  • This spray head 4 has a spray tube 5 which is firmly connected to it and is arranged on the sales surface 3 so as to be pivotable.
  • the top surface 2 has an area 6 which projects freely above the heel surface 3 and which extends approximately over half the length of the base body 1.
  • the spray tube 5 can then be swung in under the projecting area 6 of the top surface 2 when not in use.
  • a clamping attachment 7 is provided on the step-like lowered surface 3, which has the height of the spray head free path for pressing down the spray head 4. The spray tube 5 can thus be clamped between this clamping attachment 7 and the projecting region 6 of the top surface and can be securely locked.
  • the spray opening 8 of the spray tube 5, which is indicated by dashed lines, is sealingly covered by the front end face 9 of the base body 1 in order to prevent the liquid from inadvertently escaping.
  • a recessed grip 10 is also inserted into the base body 1 so that the spray tube 5 which is folded in can be gripped and pulled out better.
  • FIG. 2 shows the spray can with the spray head 4 and spray tube 5 pivoted out.
  • a corresponding liquid can then be squeezed out via the spray tube 5 - if a propellant is used - or practically sprayed out without a propellant by pumping action.
  • Such a spray can is extremely handy and can be carried in your pocket at any time. It can be used for various purposes, with a preferred area of use being prophylactic dental care, for example. With a correspondingly high spray pressure, the spray can can be used, for example, to clean the teeth after a meal, since the long spray tube 5 makes it possible to spray the liquid in a targeted manner at specific interdental spaces.
  • Another expedient field of application is, for example, a spray can for oil, in order to bring the lubricating oil exactly to the desired locations in highly sensitive or highly miniaturized machines.
  • these spray cans can be stacked easily and densely and therefore do not require as much space in shops. Furthermore, a separate plastic lid is omitted, as is usually required in conventional spray cans to protect the spray head.
  • the spray tube 5 can then be pivoted back into the rest position according to FIG. 1 and securely locked there.
  • the clamping attachment 7 By pinching between the clamping attachment 7 and the protruding area 6 of the cover surface 2, an unintentional pressing down of the spray head 4 and thus incorrect operation is then reliably excluded.

Landscapes

  • 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)
  • Cosmetics (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Nozzles (AREA)

Abstract

In a spray can for spraying liquids under pressure, having a spray head which can be depressed for spraying, and having a spray tube which is connected to said spray head, for a particularly handy design and secure fastening of the spray tube when not in use, provision is made according to the invention for the spray can to have a cuboid basic body (1) and to be provided with the depressible spray head (4) on its top side adjoining a narrow side in a recess (3) of the covering surface (2). The spray head is designed to be pivotable, together with the rigidly attached spray tube (5), in such a way that the spray tube (5) can be pivoted into a longitudinal receiving gap below the covering surface (2) when not in use. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Sprühdose zum Versprühen von Flüssigkeiten unter Druck mit einem Grundkörper sowie mit einem zum Sprühen niederdrückbaren Sprühkopf und einem daran angeschlossenen, bei Nichtbenutzung an die Sprühdose anschwenkbaren Sprührohr.The invention relates to a spray can for spraying liquids under pressure with a base body and with a spray head which can be pressed down for spraying and a spray tube connected to it and pivotable when not in use to the spray can.

Derartige Sprühdosen sind allgemein bekannt - wie z.B. aus dem DE-U-1 985 991 - und für die verschiedensten Anwendungen geeignet. Nachteilig bei bekannten Sprühdosen ist aber für bestimmte Anwendungsfälle die meist flaschenförmige Gestaltung und ihre relative Größe, so daß beispielsweise bei erforderlichen medizinisch-therapeutischen oder prophylaktischen Maßnahmen ein direktes Mitführen meist etwas umständlich ist.Such spray cans are well known - e.g. from DE-U-1 985 991 - and suitable for a wide variety of applications. A disadvantage of known spray cans, however, is the bottle-shaped design and their relative size for certain applications, so that carrying them directly, for example when medical-therapeutic or prophylactic measures are required, is usually somewhat cumbersome.

Der vorliegenden Erfindung liegt demgegenüber die Aufgabe zugrunde, eine Sprühdose zu schaffen, die klein und handlich ist und dessen Sprühaustritt bei Nichtbenutzung gegen unbeabsichtigte Fehlbenutzungen sicher geschützt ist. Darüberhinaus soll damit ein direktes Besprühen diskreter Stellen mit exakter Sprührichtung ermöglicht sein.In contrast, the present invention has for its object to provide a spray can which is small and handy and whose spray outlet is safely protected against unintentional misuse when not in use. In addition, this should enable direct spraying of discrete areas with an exact spray direction.

Zur Lösung dieser Aufgabe ist erfindungsgemäß vorgesehen, daß die Sprühdose einen quaderförmigen Grundkörper aufweist und auf ihrer Oberseite angrenzend an eine Schmalseite des Grundkörpers in einer Aussparung der Deckfläche den niederdrückbaren Sprühkopf aufweist, der zusammen mit dem starr angeschlosssenen Sprührohr schwenkbar ausgebildet ist derart, daß das Sprührohr bei Nichtbenutzung in einen Aufnahmespalt unterhalb der Deckfläche einschwenkbar ist.To solve this problem, the invention provides that the spray can has a cuboid base and on its upper side adjacent to a narrow side of the base body in a recess in the top surface has the depressible spray head, which is designed to be pivotable together with the rigidly connected spray tube in such a way that the spray tube can be pivoted into a receiving gap below the top surface when not in use.

Mit einer derartigen Ausbildung kann also eine kleine, handliche Sprühdose etwa von der Größe einer Zigarettenschachtel gebildet werden, die jederzeit mitgeführt werden kann. Durch die schwenkbare Anordnung des Sprührohres und deren Versenkung bei Nichtbenutzung unterhalb der Deckfläche der Sprühdose ist damit auch ein sicherer Schutz und Arretieren gegen unbeabsichtigtes Benutzen gegeben.With such a design, a small, handy spray can about the size of a cigarette box can be formed, which can be carried at any time. Due to the pivotable arrangement of the spray tube and its sinking when not in use below the top surface of the spray can, this also provides secure protection and locking against unintentional use.

Zweckmäßig ist es dabei, wenn die Deckfläche in einem Querschnitt stufenförmig ausgebildet ist und zwar mit einer Stufe von der Höhe des Sprühkopfes zuzüglich des Freiweges für das Niederdrücken des Sprühkopfes.It is expedient if the top surface is step-shaped in a cross section, namely with a step from the height of the spray head plus the free path for depressing the spray head.

Diese Deckfläche kann dann auch den Bereich des eingeschwenkten Sprührohres frei überragen, um damit einen besonderen Schutz für das Sprührohr zu gewährleisten.This top surface can then freely project beyond the area of the swiveled-in spray tube in order to ensure special protection for the spray tube.

Ferner ist es von Vorteil, wenn im Bereich des eingeschwenkten Sprührohres die stufenförmig abgesenkte Fläche einen Klemmaufsatz von der Höhe des Sprühkopf-Freiweges aufweist derart, daß das Sprührohr zwischen diesem Klemmaufsatz und dem überragenden Bereich der Deckfläche arretierbar ist. Damit ist eine besonders sichere Halterung des Sprührohres gewährleistet.Furthermore, it is advantageous if in the area of the swiveled-in spray tube the step-like lowered surface has a clamping attachment of the height of the spray head free path such that the spray tube between this clamping attachment and the protruding area of the top surface can be locked. This ensures a particularly secure mounting of the spray tube.

Ferner ist es zweckmäßig, wenn die Sprühöffnung des Sprührohres im eingeschwenkten Zustand von einer Seitenfläche der Sprühdose abdichtend abgedeckt ist. Damit ist ein Schutz der Sprührohröffnung gegen Verschmutzungen sicher gewährleistet. Außerdem wird ein unbeabsichtigtes Austreten von Sprühflüssigkeit verhindert.It is also expedient if the spray opening of the spray tube is covered in a sealed manner by a side face of the spray can in the pivoted-in state. This ensures protection of the spray tube opening against contamination. In addition, accidental leakage of spray liquid is prevented.

Zum leichteren Ausschwenken des Sprührohres ist es ferner zweckmäßig, wenn die Sprühdose im Bereich des eingeschwenkten Endes des Sprührohres eine seitliche Griffmulde aufweist.To make it easier to swivel the spray tube out, it is also expedient if the spray can has a lateral recessed grip in the region of the swiveled-in end of the spray tube.

Anhand einer schematischen Zeichnung sind Aufbau und Funktionsweise eines Ausführungsbeispieles nach der Erfindung näher erläutert. Dabei zeigen:

Fig. 1
eine perspektivische Ansicht der Sprühdose mit eingeschwenktem Sprührohr und
Fig. 2
die gleiche perspektvische Ansicht mit ausgeschwenktem Sprührohr.
The structure and mode of operation of an exemplary embodiment according to the invention are explained in more detail with reference to a schematic drawing. Show:
Fig. 1
a perspective view of the spray can with swiveled spray tube and
Fig. 2
the same perspective view with the spray tube swung out.

Wie man aus Fig. 1 ersieht, weist die Sprühdose zunächst einen quaderförmigen Grundkörper 1 zur Aufnahme der Sprühflüssigkeit und eines eventuellen Treibmittels auf. Die Deckfläche 2 ist etwa mittig mit einem stufenförmigen Absatz 3 versehen, auf dessem einen Ende angrenzend an eine Schmalseite des Grundkörpers 1 der niederdrückbare Sprühkopf 4 angeordnet ist. Dieser Sprühkopf 4 weist ein fest mit ihm verbundenes Sprührohr 5 auf und ist insgesamt auf der Absatzfläche 3 schwenkbar angeordnet.As can be seen from FIG. 1, the spray can first has a cuboid base body 1 for receiving the spray liquid and any propellant. The top surface 2 is provided approximately in the middle with a step-shaped shoulder 3, on the one end of which adjoins a narrow side of the base body 1 of FIG depressible spray head 4 is arranged. This spray head 4 has a spray tube 5 which is firmly connected to it and is arranged on the sales surface 3 so as to be pivotable.

Die Deckfläche 2 weist dabei einen die Absatzfläche 3 frei überragenden Bereich 6 auf, der sich angenähert über die halbe Länge des Grundkörpers 1 erstreckt. Unter den vorragenden Bereich 6 der Deckfläche 2 kann dann das Sprührohr 5 bei Nichtbenutzung eingeschwenkt werden. Um dabei ein unbeabsichtigtes Niederdrücken des Sprühkopfes 4 sicher zu verhindern, ist auf der stufenförmig abgesenkten Fläche 3 ein Klemmaufsatz 7 vorgesehen, der die Höhe des Sprühkopf-Freiweges für das Niederdrücken des Sprühkopfes 4 aufweist. Damit kann das Sprührohr 5 zwischen diesem Klemmaufsatz 7 und dem überragenden Bereich 6 der Deckfläche eingeklemmt und sicher arretiert werden.The top surface 2 has an area 6 which projects freely above the heel surface 3 and which extends approximately over half the length of the base body 1. The spray tube 5 can then be swung in under the projecting area 6 of the top surface 2 when not in use. In order to reliably prevent the spray head 4 from being pressed down unintentionally, a clamping attachment 7 is provided on the step-like lowered surface 3, which has the height of the spray head free path for pressing down the spray head 4. The spray tube 5 can thus be clamped between this clamping attachment 7 and the projecting region 6 of the top surface and can be securely locked.

Die gestrichelt angedeutete Sprühöffnung 8 des Sprührohres 5 ist dabei von der vorderseitigen Stirnfläche 9 des Grundkörpers 1 abdichtend abgedeckt, um damit ein versehentliches Austreten der Flüssigkeit zu verhindern.The spray opening 8 of the spray tube 5, which is indicated by dashed lines, is sealingly covered by the front end face 9 of the base body 1 in order to prevent the liquid from inadvertently escaping.

Schließlich ist angrenzend an die Stirnfläche 9 unterhalb des Endes des Sprührohres 5 in den Grundkörper 1 noch eine Griffmulde 10 eingelassen, um damit das eingeklappte Sprührohr 5 besser greifen und herausziehen zu können.Finally, adjacent to the end face 9 below the end of the spray tube 5, a recessed grip 10 is also inserted into the base body 1 so that the spray tube 5 which is folded in can be gripped and pulled out better.

In Fig. 2 ist die Sprühdose mit ausgeschwenktem Sprühkopf 4 und Sprührohr 5 dargestellt. Durch Niederdrücken des Sprühkopfes 4 kann dann über das Sprührohr 5 eine entsprechende Flüssigkeit ausgepreßt - bei Verwendung eines Treibmittels - oder praktisch durch Pumpwirkung ohne Treibmittel ausgesprüht werden.2 shows the spray can with the spray head 4 and spray tube 5 pivoted out. By depressing the spray head 4, a corresponding liquid can then be squeezed out via the spray tube 5 - if a propellant is used - or practically sprayed out without a propellant by pumping action.

Eine solche Sprühdose ist außerordentlich handlich und kann jederzeit in der Tasche mitgeführt werden. Sie ist für verschiedene Anwendungszwecke verwendbar, wobei ein bevorzugtes Einsatzgebiet beispielsweise die prophylaktische Zahnpflege sein kann. Bei entsprechend hohem Sprühdruck kann die Sprühdose dabei beispielsweise zur Reinigung der Zähne nach einer Mahlzeit angewendet werden, da durch das lange Sprührohr 5 ein gezieltes Einsprühen der Flüssigkeit an gezielten Zahnzwischenräumen möglich ist.Such a spray can is extremely handy and can be carried in your pocket at any time. It can be used for various purposes, with a preferred area of use being prophylactic dental care, for example. With a correspondingly high spray pressure, the spray can can be used, for example, to clean the teeth after a meal, since the long spray tube 5 makes it possible to spray the liquid in a targeted manner at specific interdental spaces.

Ein weiteres zweckmäßiges Anwendungsgebiet ist beispielsweise eine Sprühdose für Öl, um hier bei hoch empfindlichen oder auch stark miniaturisierten Maschinen das Schmieröl exakt an die gewünschten Stellen zu bringen.Another expedient field of application is, for example, a spray can for oil, in order to bring the lubricating oil exactly to the desired locations in highly sensitive or highly miniaturized machines.

Außerdem lassen sich diese Sprühdosen wegen ihrer quaderförmigen Gestalt leicht und dicht stapeln und benötigen daher in Ladengeschäften nicht so viel Stellplatz. Ferner fällt ein gesonderter Plastikdeckel weg, wie er bei üblichen Sprühdosen zum Schutz des Sprühkopfes meist erforderlich ist.In addition, because of their cuboid shape, these spray cans can be stacked easily and densely and therefore do not require as much space in shops. Furthermore, a separate plastic lid is omitted, as is usually required in conventional spray cans to protect the spray head.

Nach Benutzung kann dann das Sprührohr 5 wieder in die Ruhestellung entsprechend Fig. 1 eingeschwenkt und dort sicher arretiert werden. Durch das Einklemmen zwischen dem Klemmaufsatz 7 und dem überstehenden Bereich 6 der Deckfläche 2 ist dann auch ein unbeabsichtigtes Niederdrücken des Sprühkopfes 4 und damit eine Fehlbedienung sicher ausgeschlossen.After use, the spray tube 5 can then be pivoted back into the rest position according to FIG. 1 and securely locked there. By pinching between the clamping attachment 7 and the protruding area 6 of the cover surface 2, an unintentional pressing down of the spray head 4 and thus incorrect operation is then reliably excluded.

Claims (6)

  1. Spray can for spraying liquids under pressure, having a basic body (1) as well as having a spray head (4), which may be depressed for spraying and to which is connected a spray tube (5), which when not in use may be swivelled against the spray can, characterized in that the spray can comprises a basic body (1) in the shape of a cuboid and is provided at its top side adjacent to a narrow side of the basic body (1), in a recess (3) of the top surface (2), with the press-down spray head (4) which together with the rigidly connected spray tube (5) is designed to be capable of swivelling in such a way that the spray tube (5) when not in use may be swivelled into a receiving gap below the top surface (2).
  2. Spray can according to claim 1, characterized in that the top surface (2) is of a stepped construction in cross-section, the step-like shoulder (3) having the height of the spray head (4) plus the free path for depression of the spray head (4).
  3. Spray can according to claim 2, characterized in that the top surface (2) projects freely over the region (6) of the swivelled-in spray tube (5).
  4. Spray can according to claim 2 or 3, characterized in that, in the region of the swivelled-in spray tube (5), the surface (3) lowered in a stepped manner has a clamping attachment (7) of the height of the spray head free path such that the spray tube (5) is lockable between said clamping attachment (7) and the projecting region (6) of the top surface (2).
  5. Spray can according to one or more of claims 1 to 4, characterized in that the spray opening (8) of the spray tube (5) in the swivelled-in state is sealingly covered by a lateral surface (9) of the spray can.
  6. Spray can according to claim 4, characterized in that the spray can in the region of the swivelled-in end of the spray tube (5) has a lateral recessed grip (10).
EP93116892A 1992-10-22 1993-10-19 Spray can Expired - Lifetime EP0594135B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4235694A DE4235694A1 (en) 1992-10-22 1992-10-22 Spray can
DE4235694 1992-10-22

Publications (2)

Publication Number Publication Date
EP0594135A1 EP0594135A1 (en) 1994-04-27
EP0594135B1 true EP0594135B1 (en) 1995-03-15

Family

ID=6471104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93116892A Expired - Lifetime EP0594135B1 (en) 1992-10-22 1993-10-19 Spray can

Country Status (3)

Country Link
EP (1) EP0594135B1 (en)
AT (1) ATE119846T1 (en)
DE (2) DE4235694A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19506706C2 (en) * 1995-02-25 2002-01-17 Dental Kosmetik Gmbh Dresden Oral spray with caries prophylactic and gum care effects
CN115382257B (en) * 2022-10-26 2022-12-30 中基万季建设投资集团有限公司 Sedimentation tank disinfecting equipment for sewage treatment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7044604U (en) * 1900-01-01 Roeder G Flat spray can, especially pocket-sized
FR1436577A (en) * 1964-11-27 1966-04-29 Improvements to pressurized liquid spray cans
GB1471253A (en) * 1974-12-12 1977-04-21 Dana Ltd Container for spray aerosol cans or bottles
DE2849493C2 (en) * 1978-11-15 1982-01-14 Carl Heyer Gmbh, Inhalationstechnik, 5427 Bad Ems Hand-held aerosol dispenser
US4932546A (en) * 1989-03-16 1990-06-12 Buttes Gas & Oil Co. Pressure vessel
DE8911506U1 (en) * 1989-09-27 1989-11-16 Schröder, Bruno, 4815 Schloß Holte-Stukenbrock Pump bottle for viscous substances

Also Published As

Publication number Publication date
DE59300108D1 (en) 1995-04-20
ATE119846T1 (en) 1995-04-15
DE4235694A1 (en) 1994-06-23
EP0594135A1 (en) 1994-04-27

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