EP0757959A1 - Pressurized gas container for dispensing foam - Google Patents

Pressurized gas container for dispensing foam Download PDF

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Publication number
EP0757959A1
EP0757959A1 EP96109803A EP96109803A EP0757959A1 EP 0757959 A1 EP0757959 A1 EP 0757959A1 EP 96109803 A EP96109803 A EP 96109803A EP 96109803 A EP96109803 A EP 96109803A EP 0757959 A1 EP0757959 A1 EP 0757959A1
Authority
EP
European Patent Office
Prior art keywords
valve
gas container
pressurized gas
liquid
channel
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
EP96109803A
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German (de)
French (fr)
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EP0757959B1 (en
Inventor
Bodo Hildebrandt
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.)
Procter and Gamble Deutschland GmbH
Original Assignee
Wella GmbH
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Filing date
Publication date
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Publication of EP0757959A1 publication Critical patent/EP0757959A1/en
Application granted granted Critical
Publication of EP0757959B1 publication Critical patent/EP0757959B1/en
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 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
    • B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
    • B65D83/682—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head

Definitions

  • the invention relates to a compressed gas container according to the preamble of claim 1.
  • Such a pressurized gas container is known from US Pat. No. 5,289,944 A, which allows metered dispensing of a foam mixture.
  • the compressed gas container 1 allows separate storage of a foam-forming first liquid 3 and a second liquid 4 and a metered dispensing of both liquids 3, 4 by means of the dispensing valve 2, which has a first valve 5 and a second valve 6.
  • the dispensing valve 2 is provided with an expansion section 7 for foam formation and for transporting foam 8 (FIG. 2).
  • the second liquid 4 is received by a compressible inner container 9.
  • the inner container 9 is cylindrical and is provided with a piston 10 which can be acted upon by the internal pressure of the compressed gas container 1, as a result of which the second liquid 4 is under pressure.
  • the first liquid 5 is assigned the first valve 5 and the second liquid 4 the second valve 6, a first channel 11 of the first valve 5 and a second channel 12 of the second valve 6 opening into an initial region 13 of the expansion section 7 of a valve tappet 14.
  • the dispensing valve 2 consists of a first and a second valve 5, 6, each with an elastic sealing disk 15, 16. For the axial actuation of the valve tappet 14, this is provided with an actuating attachment 17, as indicated by dashed lines.
  • This embodiment is for a upside down application provided. However, an opposite application can also be provided for the first liquid 3 by a suitable riser pipe arrangement (not shown).
  • FIG. 2 shows the compressed gas container 1 during the dispensing of the two liquids 3, 4 by means of axial pressure on the actuating attachment 17.
  • This pressure causes the valve tappet 14 to be moved axially, whereby the two sealing disks 15, 16 of the first and the second valve 5, 6 are lifted from their sealing seat at approximately the same time and thereby open, as a result of which the first liquid 3 flows through the first channel 11 in the initial area 13 of the expansion section 7 flows (and immediately forms a foam 8) and the second liquid 4 flows via a first connecting channel 18 and a second connecting channel 19 through the second channel 12 into the initial area 13 of the expansion section 7, the second channel 12 opens peripherally on an inner wall 20 of the expansion section 7 and is thereby formed as an edge strip 21 to the foam strand 8.
  • both valves 5, 6 are closed again.
  • the compressed gas container 1 can be used for hair treatments, the first liquid 3 being a base agent and the second liquid 4 being an - optionally colored - additive that does not foam.
  • FIG. 1 A top view III-III only on the valve lifter 14 with the one peripherally arranged second channel 12 is shown in FIG.
  • peripherally evenly distributed second channels 12 can also be provided as a development according to FIG. A great advantage can be seen in the fact that of appropriately colored edge strips 21 at least one edge strip 21 is visible from all viewing angles.
  • a centrally arranged channel 12 according to FIG. 5 can be provided.
  • a plurality of approximately centrally arranged channels 12 according to FIG. 6 can be provided or also in an optional combination with one another (for example the channels 12 according to FIG. 4 with the channels 12 according to FIG. 6).
  • an inner container 9 (not shown) that can be compressed by the internal pressure of the compressed gas container 1 can also be provided.

Abstract

The emission valve (2) has an expansion section (7) for foam formation and for transport of the foam. The second fluid (4) is accommodated in a compressible inner container. The first valve unit (5) is provided for the first fluid (3) and the second valve unit (6) for the second fluid (4). A first channel (11) of the first valve and a second channel of the second valve issue in a commencement area (13) of the expansion section. The second channel issues centrally or peripherally on an inner wall (20) of the expansion section. Several second channels are provided. The inner container is cylindrical and is provided with a piston (10) fed from the inner pressure of the pressure gas container.

Description

Die Erfindung betrifft einen Druckgasbehälter nach dem Oberbegriff des Anspruchs 1.The invention relates to a compressed gas container according to the preamble of claim 1.

Ein derartiger Druckgasbehälter ist aus der US 5 289 944 A bekannt, der ein dosiertes Abgeben eines Schaumgemisches gestattet.Such a pressurized gas container is known from US Pat. No. 5,289,944 A, which allows metered dispensing of a foam mixture.

Demgegenüber stellt sich die Aufgabe, einen gattungsgleichen Druckgasbehälter zu schaffen, der ein dosiertes Abgeben eines ungemischten Schaumes, beispielsweise in Form von Flüssigkeitsstreifen im oder am Schaumstrang, gestattet.In contrast, there is the task of creating a pressure gas container of the same type, which allows a metered delivery of an unmixed foam, for example in the form of liquid strips in or on the foam strand.

Gelöst ist diese Aufgabe nach dem kennzeichnenden Teil des Anspruchs 1. Vorteilhafte Weiterbildungen der Erfindung gehen aus den Unteransprüchen hervor.This object is achieved according to the characterizing part of claim 1. Advantageous further developments of the invention emerge from the subclaims.

Die Erfindung wird anhand eines Ausführungsbeispiels näher erläutert.The invention is explained in more detail using an exemplary embodiment.

Es zeigt:

Figur 1
eine Teilansicht eines Druckgasbehälters in einer Schnittdarstellung bei geschlossener Ventilstellung;
Figur 2
die Darstellung nach der Figur 1, jedoch bei geöffneter Ventilstellung;
Figur 3
eine Draufsicht III-III nach der Figur 1 auf einen Ventilstößel mit einem peripher angeordneten Kanal;
Figur 4
eine Draufsicht wie Figur 3, jedoch mit vier peripher angeordneten Kanälen;
Figur 5
eine Draufsicht wie Figur 3, jedoch mit einem zentrisch angeordneten Kanal, und
Figur 6
eine Draufsicht wie Figur 3, jedoch mit vier in etwa zentrisch angeordneten Kanälen.
It shows:
Figure 1
a partial view of a compressed gas container in a sectional view with the valve position closed;
Figure 2
the representation of Figure 1, but with the valve position open;
Figure 3
a plan view III-III of Figure 1 on a valve lifter with a peripherally arranged channel;
Figure 4
a plan view like Figure 3, but with four peripherally arranged channels;
Figure 5
a plan view like Figure 3, but with a centrally arranged channel, and
Figure 6
a plan view like Figure 3, but with four approximately centrally arranged channels.

In der Figur 1 ist in einer Teilansicht ein Druckgasbehälter 1 mit einem geschlossenen Abgabeventil 2 dargestellt. Der Druckgasbehälter 1 gestattet ein getrenntes Aufbewahren einer schaumbildenden ersten Flüssigkeit 3 und einer zweiten Flüssigkeit 4 und ein dosiertes Abgeben beider Flüssigkeiten 3, 4 mittels des Abgabeventils 2, das ein erstes Ventil 5 und ein zweites Ventil 6 aufweist. Das Abgabeventil 2 ist mit einem Expansionsabschnitt 7 zur Schaumbildung und zum Transport von Schaum 8 (Figur 2) versehen. Die zweite Flüssigkeit 4 ist von einem komprimierbaren Innenbehälter 9 aufgenommen. In diesem Ausführungsbeispiel ist der Innenbehälter 9 zylindrisch ausgestaltet und mit einem vom Innendruck des Druckgasbehälters 1 beaufschlagbaren Kolben 10 versehen, wodurch die zweite Flüssigkeit 4 unter Druck steht. Der ersten Flüssigkeit 3 ist das erste Ventil 5 und der zweiten Flüssigkeit 4 das zweite Ventil 6 zugeordnet, wobei ein erster Kanal 11 des ersten Ventils 5 und ein zweiter Kanal 12 des zweiten Ventils 6 in einen Anfangsbereich 13 des Expansionsabschnitts 7 eines Ventilstößels 14 mündet. Das Abgabeventil 2 besteht aus einem ersten und zweiten Ventil 5, 6 mit jeweils einer elastischen Dichtscheibe 15, 16. Zum axialen Betätigen des Ventilstößels 14 ist dieser - wie gestrichelt angedeutet - mit einem Betätigungsaufsatz 17 versehen. Dieses Ausführungsbeispiel ist für ein kopfstehendes Applizieren vorgesehen. Jedoch kann auch ein entgegengesetztes Applizieren durch eine dazu geeignete Steigrohranordnung (nicht dargestellt) für die erste Flüssigkeit 3 vorgesehen werden.1 shows a partial view of a compressed gas container 1 with a closed dispensing valve 2. The compressed gas container 1 allows separate storage of a foam-forming first liquid 3 and a second liquid 4 and a metered dispensing of both liquids 3, 4 by means of the dispensing valve 2, which has a first valve 5 and a second valve 6. The dispensing valve 2 is provided with an expansion section 7 for foam formation and for transporting foam 8 (FIG. 2). The second liquid 4 is received by a compressible inner container 9. In this exemplary embodiment, the inner container 9 is cylindrical and is provided with a piston 10 which can be acted upon by the internal pressure of the compressed gas container 1, as a result of which the second liquid 4 is under pressure. The first liquid 5 is assigned the first valve 5 and the second liquid 4 the second valve 6, a first channel 11 of the first valve 5 and a second channel 12 of the second valve 6 opening into an initial region 13 of the expansion section 7 of a valve tappet 14. The dispensing valve 2 consists of a first and a second valve 5, 6, each with an elastic sealing disk 15, 16. For the axial actuation of the valve tappet 14, this is provided with an actuating attachment 17, as indicated by dashed lines. This embodiment is for a upside down application provided. However, an opposite application can also be provided for the first liquid 3 by a suitable riser pipe arrangement (not shown).

In der Figur 2 ist der Druckgasbehälter 1 während einer Abgabe der beiden Flüssigkeiten 3, 4 mittels axialen Drucks auf den Betätigungsaufsatz 17 dargestellt. Durch diesen Druck wird der Ventilstößel 14 axial bewegt, wodurch in etwa zeitgleich die beiden Dichtscheiben 15, 16 des ersten und des zweiten Ventils 5, 6 von ihrem Dichtsitz angehoben werden und sich dadurch öffnen, wodurch die erste Flüssigkeit 3 durch den ersten Kanal 11 in den Anfangsbereich 13 des Expansionsabschnitts 7 fließt (und sogleich sich zu einem Schaum 8 ausbildet) und die zweite Flüssigkeit 4 über einen ersten Verbindungskanal 18 und einen zweiten Verbindungskanal 19 durch den zweiten Kanal 12 in den Anfangsbereich 13 des Expansionsabschnitts 7 fließt, wobei der zweite Kanal 12 peripher an einer Innenwand 20 des Expansionsabschnitts 7 mündet und sich dadurch als ein Randstreifen 21 zum Schaumstrang 8 ausbildet. Durch Aufheben des Drucks auf den Betätigungsaufsatz 17 werden wieder beide Ventile 5, 6 geschlossen. Beispielsweise kann der Druckgasbehälter 1 für Haarbehandlungen verwendet werden, wobei die erste Flüssigkeit 3 ein Basismittel und die zweite Flüssigkeit 4 ein - wahlweise farbiges - Zusatzmittel ist, das nicht aufschäumt.2 shows the compressed gas container 1 during the dispensing of the two liquids 3, 4 by means of axial pressure on the actuating attachment 17. This pressure causes the valve tappet 14 to be moved axially, whereby the two sealing disks 15, 16 of the first and the second valve 5, 6 are lifted from their sealing seat at approximately the same time and thereby open, as a result of which the first liquid 3 flows through the first channel 11 in the initial area 13 of the expansion section 7 flows (and immediately forms a foam 8) and the second liquid 4 flows via a first connecting channel 18 and a second connecting channel 19 through the second channel 12 into the initial area 13 of the expansion section 7, the second channel 12 opens peripherally on an inner wall 20 of the expansion section 7 and is thereby formed as an edge strip 21 to the foam strand 8. By releasing the pressure on the actuating attachment 17, both valves 5, 6 are closed again. For example, the compressed gas container 1 can be used for hair treatments, the first liquid 3 being a base agent and the second liquid 4 being an - optionally colored - additive that does not foam.

Eine Draufsicht III-III nur auf den Ventilstößel 14 mit dem einen peripher angeordneten zweiten Kanal 12 ist in der Figur 3 dargestellt.A top view III-III only on the valve lifter 14 with the one peripherally arranged second channel 12 is shown in FIG.

Nach der Figur 4 können aber auch - als Weiterbildung nach der Figur 3 - vier peripher gleichmäßig verteilte zweite Kanäle 12 vorgesehen werden. Ein großer Vorteil ist darin zu sehen, daß von entsprechend gefärbten Randstreifen 21 von allen Betrachtungswinkeln zumindest ein Randstreifen 21 sichtbar ist.According to FIG. 4, four peripherally evenly distributed second channels 12 can also be provided as a development according to FIG. A great advantage can be seen in the fact that of appropriately colored edge strips 21 at least one edge strip 21 is visible from all viewing angles.

Anstelle des einen exzentrisch angeordneten zweiten Kanals 12 nach der Figur 3 kann ein zentrisch angeordneter Kanal 12 nach der Figur 5 vorgesehen werden.Instead of the one eccentrically arranged second channel 12 according to FIG. 3, a centrally arranged channel 12 according to FIG. 5 can be provided.

Anstelle des einen Kanals 12 nach der Figur 5 können mehrere in etwa zentrisch angeordnete Kanäle 12 nach der Figur 6 vorgesehen werden oder auch in wahlweiser Kombination miteinander (zum Beispiel die Kanäle 12 nach der Figur 4 mit den Kanälen 12 nach der Figur 6).Instead of the one channel 12 according to FIG. 5, a plurality of approximately centrally arranged channels 12 according to FIG. 6 can be provided or also in an optional combination with one another (for example the channels 12 according to FIG. 4 with the channels 12 according to FIG. 6).

Wahlweise kann auch ein vom Innendruck des Druckgasbehälters 1 zusammendrückbarer - nicht dargestellter - Innenbehälter 9 vorgesehen werden.Optionally, an inner container 9 (not shown) that can be compressed by the internal pressure of the compressed gas container 1 can also be provided.

Es kann auch vorgesehen werden, den Expansionsabschnitt 7 so auszubilden, daß der Schaumstrang 8 wendelförmige Randstreifen der zweiten Flüssigkeit 4 aufweist, zum Beispiel mittels einer innenseitigen Wendelführung (nicht dargestellt).Provision can also be made for the expansion section 7 to be designed such that the foam strand 8 has helical edge strips of the second liquid 4, for example by means of an inside spiral guide (not shown).

BezugszeichenlisteReference list

11
DruckgasbehälterCompressed gas tank
22nd
AbgabeventilDispensing valve
33rd
Erste FlüssigkeitFirst liquid
44th
Zweite FlüssigkeitSecond liquid
55
Erstes VentilFirst valve
66
Zweites VentilSecond valve
77
ExpansionsabschnittExpansion section
88th
Schaum (Schaumstrang)Foam (foam strand)
99
InnenbehälterInner container
1010th
Kolbenpiston
1111
Erster KanalFirst channel
1212th
Zweiter KanalSecond channel
1313
AnfangsbereichInitial area
1414
VentilstößelValve lifter
1515
DichtscheibeSealing washer
1616
DichtscheibeSealing washer
1717th
BetätigungsaufsatzActuating attachment
1818th
Erster VerbindungskanalFirst connection channel
1919th
Zweiter VerbindungskanalSecond connection channel
2020th
InnenwandInterior wall
2121
RandstreifenEdge strips

Claims (8)

Druckgasbehälter (1) für ein getrenntes Aufbewahren einer schaumbildenden ersten Flüssigkeit (3) und einer zweiten Flüssigkeit (4) und für ein dosiertes Abgeben beider Flüssigkeiten (3, 4) mittels eines gemeinsamen Abgabeventils (2), das ein erstes Ventil (5) und ein zweites Ventil (6) aufweist, und daß das Abgabeventil (2) mit einem Expansionsabschnitt (7) zur Schaumbildung und zum Transport von Schaum (8) versehen ist, wobei die zweite Flüssigkeit (4) von einem komprimierbaren Innenbehälter (9) aufgenommen ist,
dadurch gekennzeichnet,
daß der ersten Flüssigkeit (3) das erste Ventil (5) und der zweiten Flüssigkeit (4) das zweite Ventil (6) zugeordnet ist, wobei ein erster Kanal (11) des ersten Ventils (5) und ein zweiter Kanal (12) des zweiten Ventils (6) in einen Anfangsbereich (13) des Expansionsabschnitts (7) mündet.Pressurized gas container (1) for separate storage of a foam-forming first liquid (3) and a second liquid (4) and for a metered dispensing of both liquids (3, 4) by means of a common dispensing valve (2), which has a first valve (5) and has a second valve (6), and that the dispensing valve (2) is provided with an expansion section (7) for foam formation and for transporting foam (8), the second liquid (4) being received by a compressible inner container (9) ,
characterized,
that the first liquid (3) is associated with the first valve (5) and the second liquid (4) with the second valve (6), a first channel (11) of the first valve (5) and a second channel (12) of the second valve (6) opens into an initial region (13) of the expansion section (7). Druckgasbehälter nach Anspruch 1, dadurch gekennzeichnet, daß der zweite Kanal (12) in etwa mittig in den Expansionsabschnitt (7) mündet.Pressurized gas container according to claim 1, characterized in that the second channel (12) opens approximately centrally into the expansion section (7). Druckgasbehälter nach Anspruch 1, dadurch gekennzeichnet, daß der zweite Kanal (12) peripher an einer Innenwand (20) des Expansionsabschnitts (7) mündet.Pressurized gas container according to claim 1, characterized in that the second channel (12) opens peripherally on an inner wall (20) of the expansion section (7). Druckgasbehälter nach Anspruch 2 oder/und Anspruch 3, dadurch gekennzeichnet, daß mehrere zweite Kanäle (12) vorgesehen sind.Pressurized gas container according to claim 2 or / and claim 3, characterized in that several second channels (12) are provided. Druckgasbehälter nach Anspruch 1, dadurch gekennzeichnet, daß der Innenbehälter (9) zylindrisch ausgestaltet und mit einem vom Innendruck des Druckgasbehälters (1) beaufschlagbaren Kolben (10) versehen ist.Pressurized gas container according to claim 1, characterized in that the inner container (9) is cylindrical and with an internal pressure of the pressurized gas container (1) acted upon piston (10) is provided. Druckgasbehälter nach Anspruch 1, dadurch gekennzeichnet, daß der Innenbehälter (9) vom Innendruck des Druckgasbehälters (1) zusammendrückbar ausgestaltet ist.Pressurized gas container according to claim 1, characterized in that the inner container (9) is designed to be compressible by the internal pressure of the pressurized gas container (1). Druckgasbehälter nach mindestens Anspruch 1, dadurch gekennzeichnet, daß die zweite Flüssigkeit (4) farbig ist.Pressurized gas container according to at least claim 1, characterized in that the second liquid (4) is colored. Druckgasbehälter nach mindestens Anspruch 1, dadurch gekennzeichnet, daß der Expansionsabschnitt (7) derart ausgebildet ist, daß der Schaumstrang (8) mindestens einen wendelförmigen Randstreifen (21) der zweiten Flüssigkeit (4) aufweist.Pressurized gas container according to at least claim 1, characterized in that the expansion section (7) is designed such that the foam strand (8) has at least one helical edge strip (21) of the second liquid (4).
EP96109803A 1995-08-08 1996-06-19 Pressurized gas container for dispensing foam Expired - Lifetime EP0757959B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29512760U 1995-08-08
DE29512760U DE29512760U1 (en) 1995-08-08 1995-08-08 Pressurized gas container for dispensing foam

Publications (2)

Publication Number Publication Date
EP0757959A1 true EP0757959A1 (en) 1997-02-12
EP0757959B1 EP0757959B1 (en) 1999-02-24

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JP (1) JPH09183473A (en)
DE (2) DE29512760U1 (en)

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Also Published As

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EP0757959B1 (en) 1999-02-24
JPH09183473A (en) 1997-07-15
DE59601332D1 (en) 1999-04-01
DE29512760U1 (en) 1995-11-16

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