EP1726537B1 - Originalitätssprühkappe - Google Patents

Originalitätssprühkappe Download PDF

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Publication number
EP1726537B1
EP1726537B1 EP05011137A EP05011137A EP1726537B1 EP 1726537 B1 EP1726537 B1 EP 1726537B1 EP 05011137 A EP05011137 A EP 05011137A EP 05011137 A EP05011137 A EP 05011137A EP 1726537 B1 EP1726537 B1 EP 1726537B1
Authority
EP
European Patent Office
Prior art keywords
cap
aerosol
button
cap body
interface
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
EP05011137A
Other languages
English (en)
French (fr)
Other versions
EP1726537A1 (de
Inventor
Adalberto Geier
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.)
Coster Technologie Speciali SpA
Original Assignee
Coster Technologie Speciali SpA
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 Coster Technologie Speciali SpA filed Critical Coster Technologie Speciali SpA
Priority to DE602005008023T priority Critical patent/DE602005008023D1/de
Priority to EP05011137A priority patent/EP1726537B1/de
Publication of EP1726537A1 publication Critical patent/EP1726537A1/de
Application granted granted Critical
Publication of EP1726537B1 publication Critical patent/EP1726537B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/16—Actuating means
    • B65D83/20—Actuator caps
    • B65D83/206—Actuator caps comprising cantilevered actuating elements, e.g. levers pivoting about living hinges
    • 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 for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/145—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant with tamper-indicating means, e.g. located in front of nozzle outlets

Definitions

  • This invention relates generally to the field of aerosol can tops, and in particular to providing one which indicates whether the can has been partially discharged or not.
  • aerosol cans are extremely widespread, with such cans being used for dispensing of a great many fluids from spray-on deodorant to paint.
  • These products are maintained in the can under high pressure, along with an inert gas propellant.
  • a valve positioned within the body of the can connects the interior to the exterior, and when actuated allows the propellant gas to expand and push out the deodorant, or the like, which is contained within.
  • the valve comprises a rigid hollow plastic tube extending from the body of the can, which upon application of a downward force will actuate the valve and allow the contents to escape there through.
  • a cap is typically fitted to the valve tube.
  • This cap commonly provides a fluid passageway from the exit tube comprising a 90° bend, to direct the fluid in a more controlled manner.
  • the cap it is usual for the cap to be provided with a spray nozzle which produces a fine mist of fluid droplets to give an even spread of deodorant, paint or the like from the can.
  • the cap is generally designed to be used by pressing downward with one finger, thus actuating the valve and allowing fluid to flow out of the can and through the nozzle.
  • the caps for aerosol cans can either be formed as a single unit, which simply slots over the exit tube from the valve, and is held in place by friction between the cap and the tube, or as a composite structure which is attached to the canister itself, with a section which integrates with the exit tube of the valve.
  • Such composite caps have certain advantages, in that they can be designed such that only a directed force downward will trigger the valve, whereas with a single cap attached to the exit tube, it is possible for a force directed sideways to actuate the valve.
  • Aerosol cans are necessarily fabricated from rigid materials, that can withstand the high pressures required for housing the propellant; usually, this material is metal.
  • metal canisters are opaque, and it is not possible to determine whether the can has been used and if much of the fluid content remains. Whilst shaking the can will indicate that there is some paint, deodorant or the like, still contained within, no suggestion is given as to whether any of the original quantity has been used or not.
  • FR 2 673 608 discloses a prior art system in accordance with the preamble of appended claim 1.
  • the cap for an aerosol comprises: a cap body for attachment to the top of an aerosol can inside which is an interface, which is provided separately from the cap body, and is designed to interact with, and slide over, the exit tube of the aerosol can.
  • a fluid passageway which is also formed separate to the cap body and is disposed within, provides a fluid tight connection between the interface and a spray nozzle.
  • a button is provided which is separate from the cap body too, and which fits within a hole provided in the body, is disposed in such a manner that upon depression into the cap body it interacts with the valve of the aerosol can to actuate it.
  • An indicator tab is provided, which is attached to the cap body in such a location that when the button is depressed in order to actuate the aerosol valve, a part of it must pass through the location of the indicator tab.
  • Fig. 1 shows two perspective views of a spray cap (1) for fitting to the top of an aerosol, according to the present invention.
  • the cap (1) is designed to fit over the top of an aerosol canister, with the valve tube being contained within.
  • the bottom of the cap (2) is shaped so as to be a little larger than the diameter of the can, and is possessed of fixing means on the inner side of the cap which engage with the canister and hold the cap (1) in place.
  • the simplest method of achieving this is to provide small bumps (3) around the inside edge at the bottom of the cap (2), which interact with the either a ridge or indents provided on the aerosol.
  • many other methods exist for attaching the cap (1) to the canister Obviously, the diameter of the cap bottom (2), and indeed the size of the cap (1) itself, can be changed depending upon the size of the aerosol can to which it will be attached.
  • a button (4) which when depressed interacts with the valve tube on the aerosol and opens the valve. Fluid exits the aerosol can and is transported by an internal passageway (5) to the spray nozzle (6); this can be best seen in Fig. 2 , which shows a half cut away diagram of the cap (1).
  • the exit tube from the valve region of the aerosol is positioned within an interface (7), to form a tight seal such that the escaping fluid is directed through the passageway (6) and on to the nozzle (6).
  • the button (4), passageway (5) and interface (7) are all formed as a single integrated piece.
  • the part count of the device is limited to only the cap body (1), the button/passageway/interface (4, 5, 7) unit and the nozzle (6), which is attached to the external end of the passageway (5).
  • the process of assembling the complete cap (1) is simplified, as fewer components require connecting.
  • it is possible to provide the cap (1) with a separately formed button (4), fluid passageway (5) and interface (7), and the above integrally formed unit is not intended as a limiting design to this feature. As can be more clearly seen in Fig.
  • the nozzle end of the fluid passageway (5) is provided with an extended portion (8) which is designed to interact with slots (9) provided on the inside of the cap (1).
  • the extended portion (8) is positioned within the slots (9), and this acts both to align the nozzle end of the passageway (5) with an appropriate hole provided within the cap (1) body, and also to provide a pivot point for the passageway unit (4, 5,7).
  • the passageway unit (4, 5, 7) rotates around the fixing point formed by the extended portion (8) and the slots (9), and the interface (7) is forced into the aerosol can exit tube to actuate the valve.
  • the combination of the point of attachment at the exit tube and the fixing point by means of the extended portion (8) ensures that the nozzle end of the passageway (5) remains in correct alignment with the hole through the cap body when the button (4) is depressed.
  • the extended portion (8) provides a returning force to push the button (4) back to its rest position, as the extended portion (8) unbends. This restoring force is also coupled with the return spring associated with the aerosol can valve, which additionally ensures that the button (4) is reliably returned to its rest position by rotation around the fixing point.
  • This two point fixing of the passageway unit (4, 5, 7), means that in operation the button (4) is restricted to moving substantially only up and down, that is: in the same direction as the axis of the aerosol tube. Whilst there is a slight rotation around the fixing point at the nozzle (7), this is negligible over the distance the button (4) travels when depressed.
  • Such an arrangement allows for the provision of a tamper indicator in the form of a tab (10).
  • Fig. 4 Shown in Fig. 4 , are three close-up views of the button (4) and tamper indicator tab (10) arrangement, these are close-up views of the region highlighted by the right hand box in Fig. 2 .
  • the tab (10) is attached to the cap (1) in two places by thin, readily breakable, connections (11).
  • the tab (10) is positioned at a region of the cap (1), such that when the button (4) is depressed, a lip (12) extending from the back of the button (4) has to pass through the location of the tamper indicator tab (10).
  • the lip (12) pushes against the tab (10) and will break the two connections (11) holding it in place, and the tab (10) will break off from the cap (1).
  • the tamper indicator (10) will only indicate that the aerosol has been tampered with when the button (4) is depressed, and the aerosol has been used.
  • Such an indication is a clear improvement over other tamper indicators, which merely show that the relative positions between the button (4) or cap (1) have been changed, but without showing whether the aerosol was in any way discharged. It is not necessary, however, to provide the lip (12) on the button (4), all that is required is that the button (4) passes through the location of the tab (10) upon depression.
  • the cap body and the passageway unit (4, 5, 7) be formed from a polymeric material, and the two items fabricated by injection moulding.
  • the polymer can be any one of: polyethylene or polypropylene.

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)
  • Nozzles (AREA)

Claims (10)

  1. Zusammengesetzte Sprühkappe (1) für eine Sprühdose, Folgendes umfassend:
    einen Kappenkörper zur Befestigung am oberen Teil einer Sprühdose;
    eine separat vom Kappenkörper vorgesehene und in diesem untergebrachte Grenzfläche (7), die dazu ausgelegt ist, eine Wechselwirkung mit dem Austrittsrohr der Sprühdose einzugehen und über dieses zu gleiten;
    einen Fluiddurchgang (5), der separat vom Kappenkörper ausgebildet und im Körper angeordnet ist, und eine fluiddichte Verbindung zwischen der Grenzfläche (7) und einer Sprühdüse (6) bereitstellt;
    einen vom Kappenkörper separaten Knopf (4), der in eine Öffnung passt, die im Körper vorgesehen ist, und der so angeordnet ist, dass er beim Hinunterdrücken in den Kappenkörper eine Wechselwirkung mit dem Ventil der Sprühdose eingeht, um es zu betätigen; wobei
    eine Anzeigefahne (10) am Kappenkörper an einer solchen Stelle befestigt vorgesehen ist, dass, wenn der Knopf (4) hinuntergedrückt wird, um das Sprühventil zu betätigen, ein Teil von ihm durch die Stelle der Anzeigefahne (10) hindurchgehen muss,
    dadurch gekennzeichnet, dass
    die Anzeigefahne (10) darüber hinaus an einer Stelle am Innenumfang der Öffnung vorgesehen ist, und zwar so, dass sie sich auch innerhalb des Umfangs des Kappenkörpers befindet.
  2. Kappe (1) nach Anspruch 1, wobei
    der Kappenkörper mit einer weiteren, durch ihn hindurchgehenden Öffnung versehen ist, die so angeordnet ist, dass sie am Ende des Fluiddurchgangs (5) mit der Düse (6) fluchtet.
  3. Kappe (1) nach Anspruch 1 oder 2, wobei
    ein verlängerter Abschnitt (8) am Ende des Fluiddurchgangs (5) angrenzend an die Düse (6) vorgesehen ist, wobei dieser verlängerte Abschnitt (8) einen Flansch zur Wechselwirkung mit Schlitzen (9) bereitstellt, die auf der Innenseite des Kappenkörpers nahe der dort hindurchgehenden Öffnung für die Düse (4) vorgesehen sind.
  4. Kappe (1) nach Anspruch 3, wobei
    die Schlitze (9) und der verlängerte Abschnitt (8) einen Fixpunkt bereitstellen, wobei dieser Fixpunkt ein Mittel bereitstellt, um welches eine Drehung des Fluiddurchgangs (5) und der Grenzfläche (7) ermöglicht ist.
  5. Kappe (1) nach einem der vorhergehenden Ansprüche, wobei
    der Knopf (4), der Fluiddurchgang (5) und die Grenzfläche (7) als einzelnes integrales Teil ausgebildet sind.
  6. Kappe (1) nach einem der vorhergehenden Ansprüche, wobei
    die Größe der Kappe (1) und die relative Anordnung des Knopfs (4), des Fluiddurchgangs (5) und der Grenzfläche (7) in Abhängigkeit von der endgültigen Größe der Sprühdose ausgewählt werden können, in die sie eingebaut werden soll.
  7. Kappe (1) nach einem der vorhergehenden Ansprüche, wobei
    die Anzeigefahne (10) über mindestens zwei schmale, leicht zerbrechliche Verbindungen (11) am Kappenkörper befestigt ist.
  8. Kappe (1) nach einem der vorhergehenden Ansprüche, wobei
    eine Lippe (12) am Knopf (4) an der spezifischen Stelle zur Wechselwirkung mit der Anzeigefahne (10) vorgesehen ist.
  9. Kappe (1) nach einem der vorhergehenden Ansprüche, wobei
    der Kappenkörper, der Knopf (4), der Fluiddurchgang (5) und die Grenzfläche (7) alle aus Polyethylen oder Polypropylen hergestellt sind.
  10. Kappe (1) nach einem der vorhergehenden Ansprüche, wobei
    die Farbe der Kappe (1) verändert werden kann.
EP05011137A 2005-05-23 2005-05-23 Originalitätssprühkappe Expired - Lifetime EP1726537B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE602005008023T DE602005008023D1 (de) 2005-05-23 2005-05-23 Originalitätssprühkappe
EP05011137A EP1726537B1 (de) 2005-05-23 2005-05-23 Originalitätssprühkappe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05011137A EP1726537B1 (de) 2005-05-23 2005-05-23 Originalitätssprühkappe

Publications (2)

Publication Number Publication Date
EP1726537A1 EP1726537A1 (de) 2006-11-29
EP1726537B1 true EP1726537B1 (de) 2008-07-09

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ID=35058817

Family Applications (1)

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EP05011137A Expired - Lifetime EP1726537B1 (de) 2005-05-23 2005-05-23 Originalitätssprühkappe

Country Status (2)

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EP (1) EP1726537B1 (de)
DE (1) DE602005008023D1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102056818A (zh) * 2008-06-10 2011-05-11 米德韦斯瓦科公司 气溶胶致动系统及其制造方法
CN104590706A (zh) * 2015-01-26 2015-05-06 中山市美捷时包装制品有限公司 一种带插入式保护结构的泡沫喷盖
CN104590693A (zh) * 2015-01-26 2015-05-06 中山市美捷时包装制品有限公司 一种泡沫喷盖

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760773B (zh) * 2015-01-26 2017-09-05 中山市美捷时包装制品有限公司 一种带开阔型通道的泡沫喷盖

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2673608A1 (fr) * 1991-03-07 1992-09-11 Chanel Distributeur de produit comprenant des moyens d'inviolabilite.
DE4426118A1 (de) * 1994-07-22 1996-01-25 Coster Tecnologie Speciali Spa Zerstäuberkappe für einen Behälter für ein unter Druck stehendes Fluid
WO2001040078A1 (de) * 1999-12-02 2001-06-07 Coster Tecnologie Speciali S.P.A. Behälter mit einem abgabeventil

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102056818A (zh) * 2008-06-10 2011-05-11 米德韦斯瓦科公司 气溶胶致动系统及其制造方法
CN104590706A (zh) * 2015-01-26 2015-05-06 中山市美捷时包装制品有限公司 一种带插入式保护结构的泡沫喷盖
CN104590693A (zh) * 2015-01-26 2015-05-06 中山市美捷时包装制品有限公司 一种泡沫喷盖

Also Published As

Publication number Publication date
DE602005008023D1 (de) 2008-08-21
EP1726537A1 (de) 2006-11-29

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