EP0732274A1 - Mixing device - Google Patents

Mixing device Download PDF

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Publication number
EP0732274A1
EP0732274A1 EP96101736A EP96101736A EP0732274A1 EP 0732274 A1 EP0732274 A1 EP 0732274A1 EP 96101736 A EP96101736 A EP 96101736A EP 96101736 A EP96101736 A EP 96101736A EP 0732274 A1 EP0732274 A1 EP 0732274A1
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EP
European Patent Office
Prior art keywords
insert
mixing
mixing device
tablet
dry material
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
EP96101736A
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German (de)
French (fr)
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EP0732274B1 (en
Inventor
Gabriele Bock
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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Publication date
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Publication of EP0732274A1 publication Critical patent/EP0732274A1/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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/28—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • B65D51/2807—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container
    • B65D51/2857—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container the additional article or materials being released by displacing or removing an element enclosing it
    • B65D51/2885—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container the additional article or materials being released by displacing or removing an element enclosing it the element being the auxiliary container falling into the main container; the additional article or materials in solid block form falling into the main container
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J7/00—Devices for administering medicines orally, e.g. spoons; Pill counting devices; Arrangements for time indication or reminder for taking medicine
    • A61J7/0007—Pill breaking or crushing devices
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
    • B65D51/28—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • B65D51/2807—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S241/00—Solid material comminution or disintegration
    • Y10S241/27—Pill or tablet crushers

Definitions

  • the invention relates to a mixing device for mixing liquid with dry material, with a screw thread-provided, screw cap-holding mixing vessel for receiving the liquid and a receptacle arranged between the upper edge of the mixing vessel and the screw cap for receiving the dry material before the mixing process.
  • a typical example of such mixing processes is the blending of bleaching agents in hairdressing companies.
  • a bleaching granulate is usually removed in a metered amount from a bottle and placed in a mixing bowl. If the bleaching agent is in the form of bleaching powder, it is removed from a packaging using a measuring spoon and placed in the mixing bowl. Before or after, a quantity of liquid dosed with a measuring cup is placed in the mixing bowl. The liquid and dry material are mixed with a brush to get a creamy mass.
  • the metering of the bleaching granulate or the bleaching powder by means of a dosing cap or a measuring spoon is associated with considerable inaccuracy, so that often liquid or dry material has to be added in order to obtain the desired consistency.
  • the open handling of the dry material in the form of bleaching granules or bleaching powder leads to undesirable dust generation.
  • a holding insert is used to hold the dry material, which insert is located between the upper edge of the Mixing vessel and the screw cap is used.
  • the receiving insert consists of a closed insert container containing the dry material, the wall of which faces the mixing vessel when the screw cap is screwed on, i.e.
  • Dust formation is excluded here; however, individual metering of the amount to be mixed is not possible, since the entire contents of the insert container must be mixed in each case. Especially when bleaching agents are blended, very different amounts of bleaching agents are required depending on the amount of hair to be bleached.
  • a simple, safe and selectable dosage of the dry material in avoidable dust formation could be to provide the dry material in tablet form and to add the required number of tablets to the mixing vessel before it is sealed.
  • a complete dissolution of the tablet in the liquid to achieve a homogeneous, user-friendly mass is not ensured because, on the one hand, the surface of a tablet wetted by the liquid is relatively small compared to its mass, so that the dissolution process proceeds slowly, and because on the other hand, when the mixing vessel is closed - even if it were made of transparent material - there is insufficient control as to when the dissolution process has been completed.
  • the mixing vessel is closed - even if it were made of transparent material - there is insufficient control as to when the dissolution process has been completed.
  • the object of the invention is therefore to design a mixing device of the type mentioned in the introduction in such a way that a simple and accurate, individual metering of the dry material is made possible while maintaining a dust-free mixing process and a sufficiently rapid dissolution process.
  • the receiving insert in a lower part has a plurality of tablet receptacles, from each of which at least one passage opening opens into the mixing vessel, and that crushing projections projecting into the tablet receptacles of the lower part are arranged on an upper insert part.
  • This mixing device makes it possible for the first time to take advantage of the advantages of providing the dry material in tablet form.
  • the individual dosing of the dry material is made possible by equipping tablets with a different number of tablet receptacles of the lower part of the insert.
  • the disadvantage of a considerably delayed dissolution process associated with the addition of the dry material in tablet form is effectively overcome in that the tablets in the tablet receptacles are comminuted by the crushing projections before they reach the mixing vessel through the passage openings. Residues of the tablets remaining in the tablet receptacles are washed out and / or dissolved in the subsequent mixing process in which the mixing device is shaken.
  • Dust formation is completely avoided because the tablets are not crushed until the mixing vessel is closed, so that the dust that develops cannot escape.
  • An insert container for holding the dry material, which would have to be disposed of after emptying and mixing, is no longer required.
  • the insert can be cleaned and reused after each mixing process.
  • each comminution projection is directed towards a passage opening.
  • a particularly effective disintegration of the tablet is thus achieved.
  • the crushing projections directed towards these passage openings in each case the tablet is granulated into a predetermined maximum grain size crushed, whereby the dissolution process is accelerated and at the same time it is ensured that not individual fragments of the tablet which significantly delay the dissolution process remain.
  • the insert upper part is preferably connected to the insert lower part in a hinged manner via a joint which can preferably be designed as an elastic folding hinge. This ensures cohesion of the two parts of the receiving insert and at the same time sufficient initial centering of these two parts to one another.
  • the mixing device shown in the drawing is used, for example, for mixing bleaching agents in Hairdressers.
  • An activator liquid 2 is contained in a metered amount in a cup-shaped mixing vessel 1.
  • the mixing vessel 1 has an outer screw thread 3, onto which a screw cap 5 provided with an inner screw thread 4 can be screwed in order to tightly close the mixing vessel 1.
  • a receiving insert 7 is arranged, which has an insert upper part 8 and an insert lower part 9, which are hingedly connected to one another via an elastic folding hinge 10 acting as a joint.
  • the dry material to be mixed with the liquid 2 is provided in the form of tablets 11.
  • the lower insert 9 has a plurality of tablet receptacles 12, in each of which one tablet 11 can be accommodated. As can be seen from FIG. 1, not all tablet receptacles 12 are equipped with a tablet 11.
  • the amount of dry material to be mixed with the liquid 2 is determined by the number of tablets 11 which are inserted into the tablet receptacles 12.
  • the lower insert 9 is centered on the mixing vessel 1 by a circumferential centering edge 13 which engages over the ring shoulder 6.
  • the top hinge 8 is pre-centered relative to the bottom insert 9 by the folding hinge 10.
  • Each tablet receptacle 12 has a plurality of through openings 14 opening into the mixing vessel 1, which in the exemplary embodiment shown are designed as round holes, as can be seen from the enlarged illustration in FIG. 4.
  • the passage openings 14 are separated from one another by lattice webs 15, each one for Have tablet receptacle 12 directed, sharp web edge 15a.
  • Comminution projections 16 projecting into the tablet receptacles 12 are arranged on the upper insert part 8. Each comminution projection 16 is provided with a tip 16a directed towards the tablet receptacle 12 and is each directed towards a passage opening 14. This can be seen particularly clearly from the comparison of FIGS. 3 and 4.
  • the shape and size of the tablet receptacles 12 and the tablets 11 provided are expediently matched to one another.
  • the corresponding number of tablets 11 is inserted into the tablet receptacles 12.
  • the upper insert 8 is positively folded over the lower insert 9, the tablet receptacles 12 already being closed to such an extent that the tablets 11 are prevented from falling out.
  • the receiving insert 7 thus prepared is placed on the edge of the mixing vessel 1, and the screw cap 5 is screwed on and initially assumes the position shown in FIG. 1, the mixing vessel 1 having already been closed.

Abstract

The device consists of a mixer vessel with a screw top for the liquid, and a top insert for the dry material. The insert (7) has a lower section (9) with tablet holders (12), each of which has at least one opening (14) into the mixer vessel (1). The upper insert section (8) has crusher elements (16), which project into the tablet holders. Each crusher element has a sharp tip (16a), and is directed towards an opening into the mixer vessel. The openings are separated by webs (15), and each of these has a sharp edge facing the tablet holders.

Description

Die Erfindung betrifft eine Mischvorrichtung zum Mischen von Flüssigkeit mit Trockenmaterial, mit einem mit Schraubgewinde versehenen, einen Schraubdeckel tragenden Mischgefäß zur Aufnahme der Flüssigkeit und einem zwischen dem oberen Rand des Mischgefäßes und dem Schraubdeckel angeordneten Aufnahmeeinsatz zur Aufnahme des Trockenmaterials vor dem Mischvorgang.The invention relates to a mixing device for mixing liquid with dry material, with a screw thread-provided, screw cap-holding mixing vessel for receiving the liquid and a receptacle arranged between the upper edge of the mixing vessel and the screw cap for receiving the dry material before the mixing process.

Beim Mischen von Flüssigkeit mit üblicherweise als Pulver oder Granulat vorliegendem Trockenmaterial besteht beim Dosieren des Trockenmaterials und/oder beim Mischvorgang die Gefahr einer Staubentwicklung. Dies führt zur Verunreinigung der Umgebung und kann schädigende oder zumindest störende Einflüsse auf die den Mischvorgang durchführenden Personen verursachen.When mixing liquid with dry material that is usually in the form of powder or granules, there is a risk of dust formation when metering the dry material and / or during the mixing process. This leads to pollution of the environment and can cause damaging or at least disturbing influences on the persons performing the mixing process.

Ein typisches Beispiel für solche Mischvorgänge ist das Anmischen von Blondiermitteln in Friseurbetrieben. Hierbei wird üblicherweise ein Blondiergranulat in dosierter Menge aus einer Flasche entnommen und in eine Rührschale gegeben. Wenn das Blondiermittel in Form von Blondierpulver vorliegt, wird es mittels eines Meßlöffels aus einer Verpackung entnommen und in die Rührschale gegeben. Vorher oder danach wird in die Rührschale eine mit einem Meßbecher dosierte Flüssigkeitsmenge gegeben. Die Flüssigkeit und das Trockenmaterial werden mit einem Pinsel gemischt, um eine cremige Masse zu erhalten.A typical example of such mixing processes is the blending of bleaching agents in hairdressing companies. Here, a bleaching granulate is usually removed in a metered amount from a bottle and placed in a mixing bowl. If the bleaching agent is in the form of bleaching powder, it is removed from a packaging using a measuring spoon and placed in the mixing bowl. Before or after, a quantity of liquid dosed with a measuring cup is placed in the mixing bowl. The liquid and dry material are mixed with a brush to get a creamy mass.

Die Dosierung des Blondiergranulats oder des Blondierpulvers mittels eines Dosierverschlusses bzw. eines Meßlöffels ist mit einer erheblichen Ungenauigkeit verbunden, so daß häufig noch Flüssigkeit oder Trockenmaterial nachgegeben werden muß, um die gewünschte Konsistenz zu erhalten. Die offene Handhabung des Trockenmaterials in Form von Blondiergranulat oder Blondierpulver führt zu einer unerwünschten Staubentwicklung.The metering of the bleaching granulate or the bleaching powder by means of a dosing cap or a measuring spoon is associated with considerable inaccuracy, so that often liquid or dry material has to be added in order to obtain the desired consistency. The open handling of the dry material in the form of bleaching granules or bleaching powder leads to undesirable dust generation.

Um eine mit einer Staubentwicklung verbundene offene Handhabung des Trockenmaterials zu vermeiden und Dosierungenauigkeiten zumindest beim Trockenmaterial zu vermeiden, wird bei einer bekannten Mischvorrichtung der eingangs genannten Gattung (EP 0 573 781 A1) zur Aufnahme des Trockenmaterials ein Aufnahmeeinsatz verwendet, der zwischen den oberen Rand des Mischgefäßes und den Schraubdeckel eingesetzt wird. Bei dieser bekannten Mischvorrichtung besteht der Aufnahmeeinsatz aus einem geschlossenen, das Trockenmaterial enthaltenden Einsatzbehälter, dessen dem Mischgefäß zugekehrte Wand beim Zuschrauben des Schraubdeckels, d.h. im bereits geschlossenen Zustand des Mischgefäßes, durch einen am Rand des Mischgefäßes hochragenden Dorn aufgerissen wird, so daß sich das Trockenmaterial aus dem Einsatzbehälter in das Mischgefäß ergießt und mit der dort enthaltenen Flüssigkeit durch Schütteln intensiv vermischt werden kann.In order to avoid open handling of the dry material associated with dust development and to avoid metering inaccuracies at least for the dry material, in a known mixing device of the type mentioned at the outset (EP 0 573 781 A1) a holding insert is used to hold the dry material, which insert is located between the upper edge of the Mixing vessel and the screw cap is used. In this known mixing device, the receiving insert consists of a closed insert container containing the dry material, the wall of which faces the mixing vessel when the screw cap is screwed on, i.e. in the already closed state of the mixing vessel, is torn open by a mandrel protruding from the edge of the mixing vessel, so that the dry material pours out of the insert container into the mixing vessel and can be intensively mixed with the liquid contained therein by shaking.

Eine Staubentwicklung wird hierbei zwar ausgeschlossen; jedoch ist keine individuelle Dosierung der anzumischenden Menge möglich, da jeweils der gesamte Inhalt des Einsatzbehälters vermischt werden muß. Gerade beim Anmischen von Blondiermitteln werden im Einzelfall je nach der Menge der zu blondierenden Haare aber sehr unterschiedliche Mengen von Blondiermitteln benötigt.Dust formation is excluded here; however, individual metering of the amount to be mixed is not possible, since the entire contents of the insert container must be mixed in each case. Especially when bleaching agents are blended, very different amounts of bleaching agents are required depending on the amount of hair to be bleached.

Eine einfache, sichere und in ausreichend engen Stufen wählbare Dosierung des Trockenmaterials unter Vermeidung von Staubentwicklung könnte darin bestehen, das Trockenmaterial in Tablettenform bereitzustellen und die jeweils erforderliche Anzahl von Tabletten in das Mischgefäß zu geben, bevor dieses verschlossen wird. Hierbei ist eine vollständige Auflösung der Tablette in der Flüssigkeit zur Erzielung einer homogenen, anwendungsfreundlichen Masse aber nicht sichergestellt, weil einerseits die von der Flüssigkeit benetzte Oberfläche einer Tablette im Vergleich zu deren Masse verhältnismäßig gering ist, so daß der Auflösungsvorgang nur langsam fortschreitet, und weil zum anderen bei geschlossenem Mischgefäß - auch wenn es aus durchsichtigem Material bestehen würde - keine ausreichende Kontrolle gegeben ist, wann der Auflösungsvorgang vollständig abgeschlossen ist. In der Praxis bestünde daher bei der Verwendung von Tabletten als Trockenmaterial nur die Möglichkeit, diese mechanisch in einem mörserähnlichen Gerät zu zerkleinern, um den nachfolgenden Auflösungsvorgang zu beschleunigen. Diese Zerkleinerung wäre aber wiederum mit einer Staubentwicklung verbunden.A simple, safe and selectable dosage of the dry material in avoidable dust formation could be to provide the dry material in tablet form and to add the required number of tablets to the mixing vessel before it is sealed. Here, a complete dissolution of the tablet in the liquid to achieve a homogeneous, user-friendly mass is not ensured because, on the one hand, the surface of a tablet wetted by the liquid is relatively small compared to its mass, so that the dissolution process proceeds slowly, and because on the other hand, when the mixing vessel is closed - even if it were made of transparent material - there is insufficient control as to when the dissolution process has been completed. In practice, therefore, when using tablets as dry material, there would only be the possibility of mechanically crushing them in a mortar-like device in order to accelerate the subsequent dissolution process. This shredding would in turn be associated with dust generation.

Aufgabe der Erfindung ist es daher, eine Mischvorrichtung der eingangs genannten Gattung so auszubilden, daß unter Beibehaltung eines staubfreien Mischvorgangs und eines ausreichend schnellen Auflösungsvorgangs eine einfache und genaue, individuelle Dosierung des Trockenmaterials ermöglicht wird.The object of the invention is therefore to design a mixing device of the type mentioned in the introduction in such a way that a simple and accurate, individual metering of the dry material is made possible while maintaining a dust-free mixing process and a sufficiently rapid dissolution process.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Aufnahmeeinsatz in einem Einsatzunterteil mehrere Tablettenaufnahmen aufweist, aus denen jeweils mindestens eine Durchtrittsöffnung in das Mischgefäß mündet, und daß an einem Einsatzoberteil jeweils in die Tablettenaufnahmen des Einsatzunterteils ragende Zerkleinerungsvorsprünge angeordnet sind.This object is achieved in that the receiving insert in a lower part has a plurality of tablet receptacles, from each of which at least one passage opening opens into the mixing vessel, and that crushing projections projecting into the tablet receptacles of the lower part are arranged on an upper insert part.

Mit dieser Mischvorrichtung wird es erstmals möglich, die Vorteile einer Bereitstellung des Trockenmaterials in Tablettenform auszunutzen. Die individuelle Dosierung des Trockenmaterials wird dadurch ermöglicht, daß eine unterschiedliche Anzahl von Tablettenaufnahmen des Einsatzunterteils mit Tabletten bestückt werden. Der mit einer Zugabe des Trockenmaterials in Tablettenform verbundene Nachteil eines erheblich verzögerten Auflösungsvorgangs wird dadurch wirksam überwunden, daß die Tabletten in den Tablettenaufnahmen durch die Zerkleinerungsvorsprünge zerkleinert werden, bevor sie durch die Durchtrittsöffnungen in das Mischgefäß gelangen. In den Tablettenaufnahmen verbleibende Reste der Tabletten werden beim nachfolgenden Mischvorgang, bei dem die Mischvorrichtung geschüttelt wird, herausgewaschen und/oder aufgelöst.This mixing device makes it possible for the first time to take advantage of the advantages of providing the dry material in tablet form. The individual dosing of the dry material is made possible by equipping tablets with a different number of tablet receptacles of the lower part of the insert. The disadvantage of a considerably delayed dissolution process associated with the addition of the dry material in tablet form is effectively overcome in that the tablets in the tablet receptacles are comminuted by the crushing projections before they reach the mixing vessel through the passage openings. Residues of the tablets remaining in the tablet receptacles are washed out and / or dissolved in the subsequent mixing process in which the mixing device is shaken.

Eine Staubentwicklung wird vollständig vermieden, weil die Zerkleinerung der Tabletten erst nach dem Schließen des Mischgefäßes erfolgt, so daß der sich dabei entwickelnde Staub nicht austreten kann.Dust formation is completely avoided because the tablets are not crushed until the mixing vessel is closed, so that the dust that develops cannot escape.

Ein Einsatzbehälter zur Aufnahme des Trockenmaterials, der nach dem Entleeren und Mischen entsorgt werden müßte, wird nicht mehr benötigt. Der Aufnahmeeinsatz kann nach jedem Mischvorgang gereinigt und wiederverwendet werden.An insert container for holding the dry material, which would have to be disposed of after emptying and mixing, is no longer required. The insert can be cleaned and reused after each mixing process.

Gemäß einer vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, daß jeder Zerkleinerungsvorsprung jeweils auf eine Durchtrittsöffnung gerichtet ist. Damit wird eine besonders wirksame Zertrümmerung der Tablette erreicht. Als besonders vorteilhaft hat es sich erwiesen, für jede Tablettenaufnahme mehrere Durchtrittsöffnungen vorzusehen. Durch die jeweils auf diese Durchtrittsöffnungen gerichteten Zerkleinerungsvorsprünge wird die Tablette in ein Granulat von vorgegebener maximaler Korngröße zerkleinert, wodurch der Auflösungsvorgang beschleunigt wird und zugleich sichergestellt ist, daß nicht einzelne, den Auflösungsvorgang wesentlich verzögernde Bruchstücke der Tablette zurückbleiben.According to an advantageous embodiment of the invention, it is provided that each comminution projection is directed towards a passage opening. A particularly effective disintegration of the tablet is thus achieved. It has proven to be particularly advantageous to provide several passage openings for each tablet holder. As a result of the crushing projections directed towards these passage openings in each case, the tablet is granulated into a predetermined maximum grain size crushed, whereby the dissolution process is accelerated and at the same time it is ensured that not individual fragments of the tablet which significantly delay the dissolution process remain.

Vorzugsweise ist das Einsatzoberteil mit dem Einsatzunterteil aufklappbar über ein Gelenk verbunden, das vorzugsweise als elastisches Klappscharnier ausgeführt werden kann. Dadurch ist ein Zusammenhalt der beiden Teile des Aufnahmeeinsatzes und zugleich eine ausreichende anfängliche Zentrierung dieser beiden Teile zueinander gewährleistet.The insert upper part is preferably connected to the insert lower part in a hinged manner via a joint which can preferably be designed as an elastic folding hinge. This ensures cohesion of the two parts of the receiving insert and at the same time sufficient initial centering of these two parts to one another.

Weitere vorteilhafte Ausgestaltungen des Erfindungsgedankens sind Gegenstand weiterer Unteransprüche.Further advantageous embodiments of the inventive concept are the subject of further dependent claims.

Nachfolgend wird ein Ausführungsbespiel der Erfindung näher erläutert, das in der Zeichnung dargestellt ist. Es zeigt:

  • Fig. 1 eine Mischvorrichtung zum Mischen von Flüssigkeit mit Trockenmaterial in einem senkrechten Schnitt vor der Zerkleinerung des in Tablettenform vorliegenden Trockenmaterials,
  • Fig. 2 in einem Teilschnitt ähnlich der Fig. 1 die Mischvorrichtung nach der Zerkleinerung der Tabletten,
  • Fig. 3 eine vergrößerte Teilansicht in Richtung der Pfeile III-III in Fig. 1 und
  • Fig. 4 eine vergrößerte Teilansicht in Richtung der Pfeile IV-IV in Fig. 1.
An exemplary embodiment of the invention is illustrated below, which is shown in the drawing. It shows:
  • 1 shows a mixing device for mixing liquid with dry material in a vertical section before crushing the dry material in tablet form,
  • 2 in a partial section similar to FIG. 1, the mixing device after crushing the tablets,
  • Fig. 3 is an enlarged partial view in the direction of arrows III-III in Fig. 1 and
  • 4 is an enlarged partial view in the direction of arrows IV-IV in FIG. 1st

Die in der Zeichnung dargestellte Mischvorrichtung dient beispielsweise zum Anmischen von Blondiermitteln in Friseurbetrieben. In einem napfförmigen Mischgefäß 1 ist eine Aktivatorflüssigkeit 2 in dosierter Menge enthalten. Das Mischgefäß 1 weist ein äußeres Schraubgewinde 3 auf, auf das ein mit einem inneren Schraubgewinde 4 versehener Schraubdeckel 5 aufgeschraubt werden kann, um das Mischgefäß 1 dicht zu verschließen.The mixing device shown in the drawing is used, for example, for mixing bleaching agents in Hairdressers. An activator liquid 2 is contained in a metered amount in a cup-shaped mixing vessel 1. The mixing vessel 1 has an outer screw thread 3, onto which a screw cap 5 provided with an inner screw thread 4 can be screwed in order to tightly close the mixing vessel 1.

Zwischen dem oberen, mit einem Ringabsatz 6 versehenen Rand des Mischgefäßes 1 und der Innenfläche des Schraubdeckels 5 ist ein Aufnahmeeinsatz 7 angeordnet, der ein Einsatzoberteil 8 und ein Einsatzunterteil 9 aufweist, die über ein als Gelenk wirkendes elastisches Klappscharnier 10 aufklappbar miteinander verbunden sind.Between the upper edge of the mixing vessel 1, which is provided with a ring shoulder 6, and the inner surface of the screw cap 5, a receiving insert 7 is arranged, which has an insert upper part 8 and an insert lower part 9, which are hingedly connected to one another via an elastic folding hinge 10 acting as a joint.

Das mit der Flüssigkeit 2 zu mischende Trockenmaterial wird in Form von Tabletten 11 bereitgestellt. Das Einsatzunterteil 9 weist mehrere Tablettenaufnahmen 12 auf, in denen jeweils eine Tablette 11 aufgenommen werden kann. Wie man aus Fig. 1 erkennt, sind nicht alle Tablettenaufnahmen 12 mit einer Tablette 11 bestückt. Die Menge des mit der Flüssigkeit 2 zu mischenden Trockenmaterials wird durch die Anzahl der Tabletten 11 bestimmt, die in die Tablettenaufnahmen 12 eingelegt werden.The dry material to be mixed with the liquid 2 is provided in the form of tablets 11. The lower insert 9 has a plurality of tablet receptacles 12, in each of which one tablet 11 can be accommodated. As can be seen from FIG. 1, not all tablet receptacles 12 are equipped with a tablet 11. The amount of dry material to be mixed with the liquid 2 is determined by the number of tablets 11 which are inserted into the tablet receptacles 12.

Das Einsatzunterteil 9 ist am Mischgefäß 1 durch einen umlaufenden Zentrierrand 13 zentriert, der über den Ringabsatz 6 greift. Durch das Klappscharnier 10 erfolgt eine Vorzentrierung des Einsatzoberteils 8 gegenüber dem Einsatzunterteil 9.The lower insert 9 is centered on the mixing vessel 1 by a circumferential centering edge 13 which engages over the ring shoulder 6. The top hinge 8 is pre-centered relative to the bottom insert 9 by the folding hinge 10.

Jede Tablettenaufnahme 12 weist mehrere, in das Mischgefäß 1 mündende Durchtrittsöffnungen 14 auf, die bei dem dargestellten Ausführungsbeispiel als runde Löcher ausgeführt sind, wie man aus der vergrößerten Darstellung in Fig. 4 erkennt. Die Durchtrittsöffnungen 14 sind durch Gitterstege 15 voneinander getrennt, die jeweils eine zur Tablettenaufnahme 12 gerichtete, scharfe Stegkante 15a aufweisen.Each tablet receptacle 12 has a plurality of through openings 14 opening into the mixing vessel 1, which in the exemplary embodiment shown are designed as round holes, as can be seen from the enlarged illustration in FIG. 4. The passage openings 14 are separated from one another by lattice webs 15, each one for Have tablet receptacle 12 directed, sharp web edge 15a.

Am Einsatzoberteil 8 sind jeweils in die Tablettenaufnahmen 12 ragende Zerkleinerungsvorsprünge 16 angeordnet. Jeder Zerkleinerungsvorsprung 16 ist mit einer zur Tablettenaufnahme 12 gerichteten Spitze 16a versehen und ist jeweils auf eine Durchtrittsöffnung 14 gerichtet. Dies erkennt man besonders deutlich aus dem Vergleich der Fig. 3 und 4. Die Form und Größe der Tablettenaufnahmen 12 und der bereitgestellten Tabletten 11 sind zweckmäßigerweise aufeinander abgestimmt.Comminution projections 16 projecting into the tablet receptacles 12 are arranged on the upper insert part 8. Each comminution projection 16 is provided with a tip 16a directed towards the tablet receptacle 12 and is each directed towards a passage opening 14. This can be seen particularly clearly from the comparison of FIGS. 3 and 4. The shape and size of the tablet receptacles 12 and the tablets 11 provided are expediently matched to one another.

Je nach der jeweils vorgesehenen Menge an Trockenmaterial wird die entsprechende Anzahl von Tabletten 11 in die Tablettenaufnahmen 12 eingelegt. Das Einsatzoberteil 8 wird formschlüssig über das Einsatzunterteil 9 geklappt, wobei die Tablettenaufnahmen 12 schon so weit verschlossen werden, daß ein Herausfallen der Tabletten 11 verhindert wird.Depending on the amount of dry material provided, the corresponding number of tablets 11 is inserted into the tablet receptacles 12. The upper insert 8 is positively folded over the lower insert 9, the tablet receptacles 12 already being closed to such an extent that the tablets 11 are prevented from falling out.

Ein vom Rand des Einsatzoberteils 8 nach unten vorspringender Zentrierring 17 greift dabei über einen vom Rand des Einsatzunterteils 9 nach oben vorspringenden inneren Zentrierrings 18. Auf diese Weise werden das Einsatzoberteil 8 und das Einsatzunterteil 9 zueinander zentriert.A centering ring 17 projecting downward from the edge of the upper insert part 8 engages over an inner centering ring 18 projecting upward from the edge of the lower insert part 9. In this way, the upper insert part 8 and the lower insert part 9 are centered with respect to one another.

Der so vorbereitete Aufnahmeeinsatz 7 wird auf den Rand des Mischgefäßes 1 aufgesetzt, und der Schraubdeckel 5 wird aufgeschraubt und nimmt zunächst die in Fig. 1 gezeigte Stellung ein, wobei das Mischgefäß 1 bereits verschlossen ist.The receiving insert 7 thus prepared is placed on the edge of the mixing vessel 1, and the screw cap 5 is screwed on and initially assumes the position shown in FIG. 1, the mixing vessel 1 having already been closed.

Bei einer weiteren Schraubbewegung des Schraubdeckels 5 wird das Einsatzoberteil 8 gegen das Einsatzunterteil 9 gedrückt. Die in den Tablettenaufnahmen 12 enthaltenen Tabletten 11 werden durch die dornförmigen Zerkleinerungsvorsprünge 16 zertrümmert. Die dabei entstehenden Bruchstücke der Tabletten 11 fallen in einer durch die Größe der Durchtrittsöffnungen 14 bestimmten maximalen Korngröße in die Aktivatorflüssigkeit 2. Durch Schütteln der geschlossenen Mischvorrichtung werden die Körner in der Aktivatorflüssigkeit 2 gebunden, wo sie zu einer homogenen Masse aufquellen können. Anschließend wird der Schraubdeckel 5 abgeschraubt, der Aufnahmeeinsatz 7 wird herausgenommen und gereinigt. Die durch den Mischvorgang entstandene Blondiermasse kann unmittelbar aus dem als Schale dienenden offenen Mischgefäß 1 angewandt werden.With a further screwing movement of the screw cap 5, the upper insert part 8 is pressed against the lower insert part 9. The contained in the tablet receptacles 12 Tablets 11 are crushed by the mandrel-shaped crushing projections 16. The resulting fragments of the tablets 11 fall into the activator liquid 2 in a maximum grain size determined by the size of the passage openings 14. By shaking the closed mixing device, the grains are bound in the activator liquid 2, where they can swell to a homogeneous mass. The screw cap 5 is then unscrewed, the receiving insert 7 is removed and cleaned. The bleaching composition resulting from the mixing process can be applied directly from the open mixing vessel 1 serving as a bowl.

Claims (9)

Mischvorrichtung zum Mischen von Flüssigkeit mit Trockenmaterial, mit einem mit Schraubgewinde versehenen, einen Schraubdeckel tragenden Mischgefäß zur Aufnahme der Flüssigkeit und einem zwischen dem oberen Rand des Mischgefäßes und dem Schraubdeckel angeordneten Aufnahmeeinsatz zur Aufnahme des Trockenmaterials vor dem Mischvorgang, dadurch gekennzeichnet, daß der Aufnahmeeinsatz (7) in einem Einsatzunterteil (9) mehrere Tablettenaufnahmen (12) aufweist, aus denen jeweils mindestens eine Durchtrittsöffnung (14) in das Mischgefäß (1) mündet, und daß an einem Einsatzoberteil (8) jeweils in die Tablettenaufnahmen (12) des Einsatzunterteils (9) ragende Zerkleinerungsvorsprünge (16) angeordnet sind.Mixing device for mixing liquid with dry material, with a screw vessel provided with a screw cap, a screw cap-holding mixing vessel for receiving the liquid and a receiving insert arranged between the upper edge of the mixing vessel and the screw cap for receiving the dry material before the mixing process, characterized in that the receiving insert ( 7) has a plurality of tablet receptacles (12) in an insert lower part (9), from each of which at least one passage opening (14) opens into the mixing vessel (1), and that on an insert upper part (8) each into the tablet receptacles (12) of the insert lower part ( 9) projecting crushing projections (16) are arranged. Mischvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jeder Zerkleinerungsvorsprung (16) jeweils auf eine Durchtrittsöffnung (14) gerichtet ist.Mixing device according to claim 1, characterized in that each comminution projection (16) is directed towards a passage opening (14). Mischvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß jede Tablettenaufnahme (12) mehrere Durchtrittsöffnungen (14) aufweist.Mixing device according to claim 1 or 2, characterized in that each tablet holder (12) has a plurality of passage openings (14). Mischvorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Durchtrittsöffnungen (14) durch Gitterstege (15) voneinander getrennt sind, die jeweils eine zur Tablettenaufnahme (12) gerichtete, scharfe Stegkante (15a) aufweisen.Mixing device according to claim 3, characterized in that the passage openings (14) are separated from one another by lattice webs (15), each have a sharp web edge (15a) directed towards the tablet holder (12). Mischvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Zerkleinerungsvorsprünge (16) jeweils mit einer zur Tablettenaufnahme (12) gerichteten Spitze (16a) versehen sind.Mixing device according to claim 1 or 2, characterized in that the crushing projections (16) are each provided with a tip (16a) directed towards the tablet holder (12). Mischvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Aufnahmeeinsatz (7) am Mischgefäß (1) zentriert ist.Mixing device according to claim 1, characterized in that the receiving insert (7) is centered on the mixing vessel (1). Mischvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Einsatzoberteil (8) am Einsatzunterteil (9) zentriert ist.Mixing device according to claim 1, characterized in that the insert upper part (8) is centered on the insert lower part (9). Mischvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Einsatzoberteil (8) mit dem Einsatzunterteil (9) aufklappbar über ein Gelenk (10) verbunden ist.Mixing device according to claim 1, characterized in that the insert upper part (8) is connected to the insert lower part (9) in a hinged manner via a joint (10). Mischvorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß das Gelenk ein elastisches Klappscharnier (10) ist.Mixing device according to claim 8, characterized in that the joint is an elastic folding hinge (10).
EP96101736A 1995-03-15 1996-02-07 Mixing device Expired - Lifetime EP0732274B1 (en)

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DE19509390 1995-03-15
DE19509390A DE19509390A1 (en) 1995-03-15 1995-03-15 Mixing device

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DE19509390A1 (en) 1996-09-19
DE59600062D1 (en) 1998-02-05
EP0732274B1 (en) 1997-12-29
US5660342A (en) 1997-08-26

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