WO2000025987A2 - Atomizer - Google Patents

Atomizer Download PDF

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Publication number
WO2000025987A2
WO2000025987A2 PCT/EP1999/008201 EP9908201W WO0025987A2 WO 2000025987 A2 WO2000025987 A2 WO 2000025987A2 EP 9908201 W EP9908201 W EP 9908201W WO 0025987 A2 WO0025987 A2 WO 0025987A2
Authority
WO
WIPO (PCT)
Prior art keywords
collar
cap
spray
cams
valve
Prior art date
Application number
PCT/EP1999/008201
Other languages
German (de)
French (fr)
Other versions
WO2000025987A3 (en
Inventor
Horst Griemla
Adalberto Geier
Original Assignee
Ewald Euscher Gmbh & Co.
Coster Tecnologie Speciali S.P.A.
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 Ewald Euscher Gmbh & Co., Coster Tecnologie Speciali S.P.A. filed Critical Ewald Euscher Gmbh & Co.
Priority to AU25372/00A priority Critical patent/AU2537200A/en
Priority to EP99968332A priority patent/EP1126954B1/en
Priority to DE59903934T priority patent/DE59903934D1/en
Publication of WO2000025987A2 publication Critical patent/WO2000025987A2/en
Publication of WO2000025987A3 publication Critical patent/WO2000025987A3/en
Priority to US09/847,594 priority patent/US20010048005A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—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
    • B65D83/40—Closure caps

Definitions

  • the present invention relates to a spray can according to the preamble of claim 1.
  • Such spray cans are used in many fields of application. They can be filled with air-hardening PU foam, paints or other sprayable substances. In any case, the cap offers protection of the valve against dirt as well as against mechanical damage.
  • Spray cans are known which open an outlet opening of the valve by turning and close again after use by rotating this outlet opening. In this sense, spray cans are preferably sealed that contain the PU foam mentioned.
  • caps of these spray cans are freely rotatable, so that they do not remain in a position covering the outlet opening with certainty. Rather, there is a risk that they will be inadvertently rotated and thereby expose the outlet opening, as a result of which the desired protection is no longer provided.
  • the present invention is therefore based on the object of designing a spray can of the generic type in such a way that its overall functionality is improved.
  • the cap remain in a certain position, for example when the cap forms the basis for an additional component which is attached, connected to the valve and rotatable relative to the cap.
  • the invention offers a particularly simple solution for this.
  • the lower edge of the circumferential collar is provided with serrations which dig into a web which is integrally formed on the cap and which bears against the lower edge of the collar when it is placed on the valve disk.
  • the cap is usually made of plastic, while the valve disk is made of metal, the tips of the prongs dig into the softer material of the cap, so that this ensures that the cap is adequately secured against rotation.
  • the collar is provided on the outside with a plurality of spaced-apart, outwardly turned cams which dig into the side wall when the cap is attached and thus also form an anti-rotation device.
  • This type of shaping has the advantage that the already painted surface is not damaged. In addition, the strain on the molds is very low.
  • the cams can be elongated and extend in the longitudinal axis direction of the spray can.
  • a combination of prongs and cams is also conceivable. Also knurling the outside of the collar.
  • the inside of the collar facing the plate dome is provided with cams against which a cap part rests.
  • a particularly firm form-fit results if the collar is provided with cams on the outside and inside.
  • Figure 1 shows two half sections of a partial section of a spray can in a side view.
  • valve plate 1 of a spray can according to the invention which has a circumferential collar 2, on which a cap 3 is placed.
  • the lower edge of the collar 2 is provided with prongs 5 extending over the entire circumference dig into the support web 6 due to the different hardnesses of the collar 2 made of metal and the cap 3 made of plastic.
  • the right-hand half-section shows an embodiment of the collar 2, in which cams 4 are formed all the way round, which extend outwards towards the wall of the cap 3.
  • the cams 4 are web-like and extend in the central axis direction of the valve disk.
  • the cams 4 begin their course directly at the lower edge of the collar, so that a certain sharp-edged design is created in this area, through which a particularly intimate interlocking of the cams 4 with the attached cap 3 is achieved.
  • other suitable shapes are of course also conceivable, for example in the form of protruding holes which have a small, sharp-edged collar all around, which likewise digs into the elastic material of the cap 3.

Abstract

The invention relates to an atomizer with a valve disk (1) having a valve. Said valve disk has a valve dome, a concentric peripheral collar (2) and a cap (3) covering the valve. Said cap overlaps the collar and is secured against being axially displaced. The atomizer is characterized in that the cap (3) has a positive fit with the collar (2) and is secured against being twisted.

Description

Sprühdose Spray can
Die vorliegende Erfindung betrifft eine Sprühdose gemäß dem Oberbegriff des An- Spruchs 1.The present invention relates to a spray can according to the preamble of claim 1.
Derartige Sprühdosen finden in vielen Anwendungsgebieten Verwendung. Dabei können sie mit an Luft aushärtendem PU-Schaum, Farben oder anderen sprühfähigen Stoffen befüllt sein. Die Kappe bietet in jedem Fall einen Schutz des Ventiles sowohl vor Verschmutzung sowie vor mechanischer Beschädigung.Such spray cans are used in many fields of application. They can be filled with air-hardening PU foam, paints or other sprayable substances. In any case, the cap offers protection of the valve against dirt as well as against mechanical damage.
Es sind Sprühdosen bekannt, die durch Drehen eine Austrittsöffnung des Ventiles freigeben und nach Gebrauch durch Drehen dieser Austrittsöffnung wieder verschließen. In diesem Sinne werden vorzugsweise Sprühdosen verschlossen, die den ge- nannten PU-Schaum beinhalten.Spray cans are known which open an outlet opening of the valve by turning and close again after use by rotating this outlet opening. In this sense, spray cans are preferably sealed that contain the PU foam mentioned.
Nachteilig ist hierbei jedoch, daß die Kappen dieser Sprühdosen frei drehbar sind, so daß sie nicht mit Sicherheit in einer die Austrittsöffhung verdeckenden Stellung verharren. Vielmehr besteht die Gefahr, daß sie unbeabsichtigt verdreht werden und da- bei die Austrittsöffnung freigelegt wird, wodurch der gewünschte Schutz nicht mehr gegeben ist.The disadvantage here, however, is that the caps of these spray cans are freely rotatable, so that they do not remain in a position covering the outlet opening with certainty. Rather, there is a risk that they will be inadvertently rotated and thereby expose the outlet opening, as a result of which the desired protection is no longer provided.
Aber auch bei Sprühdosen mit anderem Inhalt besteht sehr häufig die Forderung, daß die Kappe positioniert bleiben soll, was bislang nicht möglich ist. Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Sprühdose der gattungsgemäßen Art so auszubilden, daß ihre Funktionsfähigkeit insgesamt verbessert wird.But even with spray cans with a different content, there is very often a requirement that the cap should remain positioned, which has not been possible until now. The present invention is therefore based on the object of designing a spray can of the generic type in such a way that its overall functionality is improved.
Diese Aufgabe wird durch eine Sprühdose gelöst, die die Merkmale des Anspruchs 1 aufweist.This object is achieved by a spray can, which has the features of claim 1.
BESTATIGÜNGSKOPIE Durch diese konstruktive Ausgestaltung ist es nun möglich, die Kappe so weit arretiert zu halten, daß ein unbeabsichtigtes Verdrehen praktisch ausgeschlossen ist.CONFIRMATION COPY Due to this design, it is now possible to keep the cap locked so far that unintentional twisting is practically impossible.
In einigen Anwendungsfällen besteht die Forderung, daß die Kappe in einer bestimmten Position verharrt, beispielsweise dann, wenn die Kappe die Basis für ein zusätzliches Bauteil bildet, das aufgesetzt ist, mit dem Ventil verbunden und gegenüber der Kappe verdrehbar ist.In some applications there is a requirement that the cap remain in a certain position, for example when the cap forms the basis for an additional component which is attached, connected to the valve and rotatable relative to the cap.
Da in diesem Fall die Kappe sich nicht mitdrehen darf, bietet die Erfindung hierfür eine besonders einfache Lösung.Since in this case the cap must not rotate, the invention offers a particularly simple solution for this.
Nach einem Gedanken der Erfindung ist vorgesehen, daß die Unterkante des umlaufenden Kragens mit Zacken versehen ist, die sich in einem Steg eingraben, der an der Kappe angeformt ist und beim Aufsetzen auf den Ventilteller an der Unterkante des Kragens anliegt.According to a concept of the invention, it is provided that the lower edge of the circumferential collar is provided with serrations which dig into a web which is integrally formed on the cap and which bears against the lower edge of the collar when it is placed on the valve disk.
Da die Kappe üblicherweise aus Kunststoff besteht, während der Ventilteller aus Metall ist, graben sich die Spitzen der Zacken in das weichere Material der Kappe ein, so daß hierdurch eine ausreichende Verdrehsicherung der Kappe gewährleistet ist.Since the cap is usually made of plastic, while the valve disk is made of metal, the tips of the prongs dig into the softer material of the cap, so that this ensures that the cap is adequately secured against rotation.
Ein weiterer Gedanke der Erfindung sieht vor, daß der Kragen außenseitig mit einer Vielzahl von abständig zueinander angeordneten, nach außen gestülpten Nocken versehen ist, die sich beim Aufstecken der Kappe in deren Seitenwandung eingraben und so gleichfalls in eine Verdrehsicherung bilden. Diese Art der Ausformung hat den Vorteil, daß die bereits lackierte Oberfläche nicht beschädigt wird. Überdies ist die Beanspruchung der Formwerkzeuge sehr gering.Another idea of the invention provides that the collar is provided on the outside with a plurality of spaced-apart, outwardly turned cams which dig into the side wall when the cap is attached and thus also form an anti-rotation device. This type of shaping has the advantage that the already painted surface is not damaged. In addition, the strain on the molds is very low.
Dabei können die Nocken länglich ausgebildet sein, und sich in Längsachsrichtung der Sprühdose erstrecken. Auch eine Kombination von Zacken und Nocken ist denkbar. Ebenso eine Rändelung der Außenseite des Kragens.The cams can be elongated and extend in the longitudinal axis direction of the spray can. A combination of prongs and cams is also conceivable. Also knurling the outside of the collar.
Ferner kann vorgesehen sein, daß die dem Tellerdom zugewandte Innenseite des Kragens mit Nocken versehen ist, an denen ein Kappenteil anliegt.It can further be provided that the inside of the collar facing the plate dome is provided with cams against which a cap part rests.
Ein besonders fester Formschluß ergibt sich, wenn der Kragen außen- und innenseitig mit Nocken versehen ist.A particularly firm form-fit results if the collar is provided with cams on the outside and inside.
Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Further advantageous embodiments of the invention are characterized in the subclaims.
Ausführungsbeispiele der Erfindung werden nachfolgend anhand der beigefügten Zeichnung beschrieben.Embodiments of the invention are described below with reference to the accompanying drawings.
DieThe
Figur 1 zeigt zwei Halbschnitte eines Teilausschnitts einer Sprühdose in einer Seitenansicht.Figure 1 shows two half sections of a partial section of a spray can in a side view.
In der Figur ist ein Ventilteller 1 einer erfindungsgemäßen Sprühdose gezeigt, der einen umlaufenden Kragen 2 aufweist, auf dem eine Kappe 3 aufgesetzt ist.In the figure, a valve plate 1 of a spray can according to the invention is shown, which has a circumferential collar 2, on which a cap 3 is placed.
Diese stützt sich mit ihrer Wandung an der Außenseite des Kragens 2 ab, wobei die Kappe 3 an ihrer freien Kante einen Auflagesteg 6 aufweist, der sich an der Unterkante des Kragens 2 abstützt.This is supported with its wall on the outside of the collar 2, the cap 3 having on its free edge a support web 6, which is supported on the lower edge of the collar 2.
Bei dem im linken Halbschnitt gezeigten Ausführungsbeispiel ist die Unterkante des Kragens 2 mit sich über den gesamten Umfang erstreckenden Zacken 5 versehen, die sich aufgrund der unterschiedlichen Härten des aus Metall bestehenden Kragens 2 und der aus Kunststoff gebildeten Kappe 3. in den Auflagesteg 6 eingraben.In the embodiment shown in the left half section, the lower edge of the collar 2 is provided with prongs 5 extending over the entire circumference dig into the support web 6 due to the different hardnesses of the collar 2 made of metal and the cap 3 made of plastic.
Der rechtseitige Halbschnitt zeigt eine Ausbildung des Kragens 2, bei der umlaufend Nocken 4 ausgeprägt sind, die sich nach außen hin zur Wandung der Kappe 3 erstrek- ken.The right-hand half-section shows an embodiment of the collar 2, in which cams 4 are formed all the way round, which extend outwards towards the wall of the cap 3.
Dabei sind die Nocken 4 stegartig ausgebildet und in Mittenachsrichtung des Ventiltellers verlaufend.The cams 4 are web-like and extend in the central axis direction of the valve disk.
Im gezeigten Ausführungsbeispiel beginnen die Nocken 4 mit Ihrem Verlauf direkt an der Unterkante des Kragens, so daß in diesem Bereich eine gewisse scharfkantige Ausbildung entsteht, durch die eine besonders innige Verzahnung der Nocken 4 mit der aufgesetzten Kappe 3 erreicht wird. Anstelle der gezeigten Ausführung der Nocken 4 sind selbstverständlich auch andere geeignete Ausformungen denkbar, beispielsweise in Form von ausgestülpten Löchern, die umlaufend einen kleinen, scharfkantigen Kragen aufweisen, der sich gleichfalls in das elastische Material der Kappe 3 eingräbt. In the exemplary embodiment shown, the cams 4 begin their course directly at the lower edge of the collar, so that a certain sharp-edged design is created in this area, through which a particularly intimate interlocking of the cams 4 with the attached cap 3 is achieved. Instead of the embodiment of the cams 4 shown, other suitable shapes are of course also conceivable, for example in the form of protruding holes which have a small, sharp-edged collar all around, which likewise digs into the elastic material of the cap 3.

Claims

Patentansprüche claims
1. Sprühdose mit einem ein Ventil aufweisenden Ventilteller (1), der einen Ventildom sowie einen konzentrisch dazu umlaufenden Kragen (2) aufweist, und einer das Ventil abdeckenden Kappe (3), die den Kragen übergreift und gegen ein axiales Verschieben gesichert ist, dadurch gekennzeichnet, daß die Kappe (3) durch Formschluß verdrehgesichert auf den Kragen (2) gehalten ist.1. A spray can with a valve plate (1) having a valve dome and a collar (2) concentrically surrounding it, and a cap (3) covering the valve, which engages over the collar and is secured against axial displacement, thereby characterized in that the cap (3) is held against rotation on the collar (2) by positive locking.
2. Sprühdose nach Anspruch 1, dadurch gekennzeichnet, daß der Kragen (2) und die Kappe (3) miteinander korrespondierende Rastmittel aufweisen.2. Spray can according to claim 1, characterized in that the collar (2) and the cap (3) have mutually corresponding locking means.
3. Sprühdose nach Anspruch 2, dadurch gekennzeichnet, daß an der Unterkante des Kragens (2) über den Umfang verteilte Zacken (5) vorgesehen sind, die sich in einem Auflagesteg (6) der Kappe (3) eingraben, der sich an der Unterkante des Kragens (2) abstützt.3. Spray can according to claim 2, characterized in that on the lower edge of the collar (2) over the circumference distributed prongs (5) are provided, which dig into a support web (6) of the cap (3), which is located on the lower edge of the collar (2).
4. Sprühdose nach Anspruch 2, dadurch gekennzeichnet, daß an der Außenseite des Kragens (2) Nocken (4) vorgesehen sind, die nach außen hin gerichtet vorstehen und die sich in die Wandung der Kappe (3) eindrücken.4. Spray can according to claim 2, characterized in that on the outside of the collar (2) cams (4) are provided which protrude outwards and which press into the wall of the cap (3).
5. Sprühdose nach Anspruch 4, dadurch gekennzeichnet, daß die Nocken (4) sich in Achsrichtung des Ventiltellers (1) erstrecken.5. Spray can according to claim 4, characterized in that the cams (4) extend in the axial direction of the valve plate (1).
6. Sprühdose nach Anspruch 5, dadurch gekennzeichnet, daß die Nocken (4) sich von der Unterkante des Kragens (2) ausgehend erstrecken.6. Spray can according to claim 5, characterized in that the cams (4) extend from the lower edge of the collar (2) starting.
7. Sprühdose nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der Kragen (2) außenseitig mit einer Rändelung versehen ist.7. Spray can according to one or more of claims 1 to 6, characterized in that the collar (2) is provided on the outside with a knurling.
8. Sprühdose nach einem oder mehreren der Ansprüche 1 bis 7, dadurch ge- kennzeichnet, daß der Kragen (2) auf seiner dem Tellerdom zugewandten Innenseite mit Nocken versehen ist. 8. Spray can according to one or more of claims 1 to 7, characterized in that the collar (2) is provided with cams on its inside facing the plate dome.
PCT/EP1999/008201 1998-11-02 1999-10-28 Atomizer WO2000025987A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU25372/00A AU2537200A (en) 1998-11-02 1999-10-28 Atomizer
EP99968332A EP1126954B1 (en) 1998-11-02 1999-10-28 Atomizer
DE59903934T DE59903934D1 (en) 1998-11-02 1999-10-28 SPRAY CAN
US09/847,594 US20010048005A1 (en) 1998-11-02 2001-05-02 Spray can with improved attachment feature for a protective cap

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29819515.1 1998-11-02
DE29819515U DE29819515U1 (en) 1998-11-02 1998-11-02 Spray can

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US09/847,594 Continuation US20010048005A1 (en) 1998-11-02 2001-05-02 Spray can with improved attachment feature for a protective cap

Publications (2)

Publication Number Publication Date
WO2000025987A2 true WO2000025987A2 (en) 2000-05-11
WO2000025987A3 WO2000025987A3 (en) 2000-08-03

Family

ID=8064731

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/008201 WO2000025987A2 (en) 1998-11-02 1999-10-28 Atomizer

Country Status (5)

Country Link
US (1) US20010048005A1 (en)
EP (1) EP1126954B1 (en)
AU (1) AU2537200A (en)
DE (2) DE29819515U1 (en)
WO (1) WO2000025987A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19927381A1 (en) 1999-05-04 2000-11-16 Thomas Gmbh Multi-purpose spray can has fixed end-stop allowing for a wider range of cap and spray head designs
DE19954254B4 (en) * 1999-11-11 2005-06-16 Thomas Gmbh Spray can
FR2923469B1 (en) * 2007-11-08 2012-10-05 Oreal MOUNTING CUP OF A DISTRIBUTION MEANS ON A CONTAINER, CORRESPONDING PRODUCT STORAGE CONTAINER, AND ASSEMBLY COMPRISING A CUP AND A CONTAINER.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372090A2 (en) * 1976-10-01 1978-06-23 Cebal Aerosol container with cylindrical lid - has lid pressed down to shoulder on container and held by grooves
US4124134A (en) * 1977-08-10 1978-11-07 Sunbeam Plastics Corporation Child-resistant package for liquids
US4473161A (en) * 1980-11-20 1984-09-25 Anso Zimmerman Isolierflaschen Food receptacle formed as insulated receptacle
US5234137A (en) * 1986-06-28 1993-08-10 Precision Valve Corporation Disc for mounting the valve of a spray can

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372090A2 (en) * 1976-10-01 1978-06-23 Cebal Aerosol container with cylindrical lid - has lid pressed down to shoulder on container and held by grooves
US4124134A (en) * 1977-08-10 1978-11-07 Sunbeam Plastics Corporation Child-resistant package for liquids
US4473161A (en) * 1980-11-20 1984-09-25 Anso Zimmerman Isolierflaschen Food receptacle formed as insulated receptacle
US5234137A (en) * 1986-06-28 1993-08-10 Precision Valve Corporation Disc for mounting the valve of a spray can

Also Published As

Publication number Publication date
AU2537200A (en) 2000-05-22
EP1126954A1 (en) 2001-08-29
EP1126954B1 (en) 2003-01-02
WO2000025987A3 (en) 2000-08-03
US20010048005A1 (en) 2001-12-06
DE59903934D1 (en) 2003-02-06
DE29819515U1 (en) 1999-01-07

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