EP2065084B1 - Cartridge for a mixing device for spraying water mixed with an additive - Google Patents

Cartridge for a mixing device for spraying water mixed with an additive Download PDF

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Publication number
EP2065084B1
EP2065084B1 EP08018133A EP08018133A EP2065084B1 EP 2065084 B1 EP2065084 B1 EP 2065084B1 EP 08018133 A EP08018133 A EP 08018133A EP 08018133 A EP08018133 A EP 08018133A EP 2065084 B1 EP2065084 B1 EP 2065084B1
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EP
European Patent Office
Prior art keywords
cartridge
concentrate
rubber bellows
inner container
water
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.)
Active
Application number
EP08018133A
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German (de)
French (fr)
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EP2065084A1 (en
Inventor
Markus Kress
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.)
GLORIA HAUS- und GARTENGERAETE GmbH
Original Assignee
Gloria Haus- und Gartengerate GmbH
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Publication of EP2065084A1 publication Critical patent/EP2065084A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • B65D83/0061—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents the contents of a flexible bag being expelled by the contracting forces inherent in the bag or a sleeve fitting snugly around the bag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/316—Injector mixers in conduits or tubes through which the main component flows with containers for additional components fixed to the conduit

Definitions

  • the invention relates to a cartridge for a mixing device, in particular for a manually operated device for spraying in particular of water, in which an additive in the form of liquid concentrate is mixed.
  • a cartridge for a Zumischvorschutter for spraying water in which an additive is mixed in the form of a liquid concentrate such as a pesticide, for example, from WO 2007/014690 known.
  • a liquid concentrate such as a pesticide
  • WO 2007/014690 become known cartridge and Zumischvoriques an outer housing and a pressure-sensitive inner container is provided.
  • the pressure-sensitive inner container receives in its interior the spray or the additive or concentrate.
  • the pressure-sensitive inner container is formed of a compressible material. If water flows into the admixing device, water is introduced into a space between the inner wall of the outer container and the pressure-sensitive container via a connection of the water line and the water inlet opening of the admixing device.
  • concentrate or spraying agent is discharged from the inner container via a nozzle and a first outlet opening into a mixing chamber and mixed there with water flowing in via an inlet opening to the desired concentrate / water mixture.
  • the object of the invention is therefore to overcome the disadvantages of the prior art, and in particular to provide a cartridge with which it is easily removable for a user, which residual amount of concentrate is still present in the compressible inner container.
  • the object is achieved by a cartridge according to claim 1.
  • the volume change of the gumball which correlates directly with the amount of agent applied, can then be visually detected by the viewer.
  • the compressible inner container is designed in the form of a rubber bellows, which preferably contracts when emptying in the direction of the mixing head arranged on the cartridge.
  • the cartridge outer housing is preferably transparent, that is, for visible light, the viewer can recognize the exact position of the rubber bellows.
  • the connection section with the mixing head could also be made transparent.
  • the first outlet opening or nozzle opening for dispensing the spraying agent in the mixing head has a diameter of 0.1-3 mm, in particular 0.1-1 mm, particularly preferably 0.1-0.5 mm, very particularly preferably 0 , 15 - has 0.3 mm.
  • the inlet opening or throttle opening for the supply of solvent, in particular water preferably has a diameter of 1.2-3 mm, preferably 1.2-2.5 mm, in particular 1.4-1.9 mm.
  • the diameter of the nozzle opening and / or the throttle opening is selected for the respective spray agent or concentrate, which is introduced into the inner container of the cartridge, so that the spray agent or concentrate can be applied optimally.
  • the diameters of both the nozzle opening and / or the throttle opening determine the mixing ratio of the concentrate with the solvent, for example, the mixing ratio with water.
  • the different mixing ratio, which results from the different opening diameters, is due to the fact that different concentrates have different viscosities at the same temperature. These viscosities affect the mixing ratio.
  • materials for the compressible inner container preferably plastics or rubber-elastic materials such as polyethylene (PE) are used.
  • PE polyethylene
  • the invention also provides a Wasserzumischvorsch available, the Zumischvortechnisch is characterized in that it can be connected to a portable pressure vessel on the one hand, or directly to the water network. If a connection to the water network is provided, the water mixing device with the cartridge may, for example, be a conventional garden hose system, such as that provided for irrigating a garden.
  • the water pressure in the pressure vessel When used with a pressure vessel, the water pressure in the pressure vessel, for example, applied by a manually operated air pump with which the pressure vessel can be pressurized.
  • the invention also provides a manually operable device which consists of a dispensing device, in particular a spray tube and a pressurized water connection, an admixing device being arranged between the pressurized water connection and the dispensing device.
  • FIG. 1a a cartridge not according to the invention is shown.
  • the cartridge 100 comprises an outer container 110, which is preferably made transparent.
  • the pressure-sensitive inner container 120 includes preferably a compressible material, such as plastic or a rubber-elastic material.
  • the compressible material is in the form of a bellows with individual pleats 122, for example in the form of an accordion.
  • FIG. 1 illustrated embodiment is a cartridge in a fully filled state.
  • the receiving nozzle 124 of the mixing head or the mixing chamber 126 projects into the cartridge.
  • the receiving nozzle 124 and the mixing head 126 form a connection section that is connected to a mixing device, as in FIG Fig. 3 shown, is connectable.
  • the receiving nozzle 124 includes a riser 128 for the concentrate contained in the bellows.
  • the ascending via the riser 128 in the mixing head 126 concentrate is mixed in the mixing head with the supplied solvent present water and discharged through the illustrated second outlet opening or outlet openings 132 as a water / concentrate mixture.
  • FIG. 1b the situation is shown with completely emptied inner container.
  • the bellows has fully contracted in the VR direction in such a case and abuts against the receiving stub 124.
  • the cartridge outside 110 provided with a mark "empty”, so the viewer can see from the outside the position of the bellows and infer from the measure on the remaining amount of concentrate in the container.
  • the mark "empty” can be attached to the outside still marks for "full” and a "half-empty” state.
  • FIG. 2a a cartridge according to the invention is shown.
  • an inner container is used, which is in the form of a rubber bellows, for example, a rubber-elastic material formed.
  • the rubber bellows 150 in FIG. 2a is shown in the fully filled position.
  • the detailed connection of the rubber bellows 150 with the receiving socket 124 in the mounted, filled state is in Figure 2c and 2d shown.
  • the rubber bellows 150 is attached to the receiving socket 124 by means of a clamping ring 152. Receiving port 124 and rubber bellows 150 are within the outer container 110 of the cartridge 100th
  • Clamping ring 152, rubber bellows 150 and groove 151 and the outer contour of the receiving nozzle 124 are in Figure 2c shown.
  • the rubber bellows 150 is inserted between clamping ring 152 and receiving socket 124.
  • In the groove 151 may, but not an O-ring must be inserted.
  • an embodiment is shown without inserted O-ring.
  • the rubber bellows has a bead 153 and is pulled up over the tension ring, as detailed in FIG Figure 2d shown.
  • Figure 2d shows in detail the area 2000 Figure 2c which shows the region of clamping ring 152 and the rubber bellows 150 with bead 153 introduced between clamping ring 152 and receiving socket 124.
  • a pressure-tight and leak-free connection means, for example, that up to pressures of 80 mbar at 54 ° C for two weeks, a fürdiffundieren located in the rubber bag 150 liquids, especially fungicides and herbicides such.
  • FIGS. 1a and 1b Same components as in the FIGS. 1a and 1b marked with the same reference numerals. If concentrate is now expelled from the compressible inner container, which is designed as a rubber bellows 150, via the mixing head 126, the rubber bellows changes its volume in the direction of VR and is drawn into the receiving socket 124, which is connected to the mixing head. The change in volume is dependent on the amount of concentrate in the rubber bellows.
  • FIG. 2b shows the cartridge with the rubber bellows, now completely in the receiving socket which is connected to the mixing head 124, retracted.
  • An outside observer can, due to the linear volume change with the expulsion of the concentrate on the basis of a scale, which is arranged on the outer wall of the cartridge on the filling back to spray in the cartridge.
  • the disposable cartridge 100 will be designed differently for different substances, in particular comprising different mixing heads.
  • FIG. 3 there is shown an admixing device which is placed in a hand-operated device for spraying water into which an admixture in the form of a liquid concentrate, such as a crop protection agent, is mixed.
  • the admixing device comprises a spray tube 200 and a manual valve 220 with a pressurized water connection 224.
  • a disposable cartridge 100 as shown in FIGS FIGS. 1a to 2b is shown. The disposable cartridge is connected to the admixing device, for example by docking the mixing head 126th
  • the manual valve 220 includes a handle 226, via which the manual valve 220 can be actuated. About the manual valve 220, the water supply is released to the mixing device.
  • the manual valve 220 may be connected via a pressure water connection 224 either directly to a pressurized water line or a pressure vessel, as in FIG. 4 shown to be connected.
  • the pressure vessel 300 is shown.
  • the pressure in the pressure vessel is indicated by means of a manometer 310.
  • the pressure vessel further comprises a manually operated air pump 320, with which the pressure vessel 300 can be pressurized.
  • the manual valve 220 and thus the admixing device is connected via a pressure hose 330 to a pressure vessel 300.
  • a cartridge is specified for the first time, which is easy to replace and in particular reliably displays the level of the concentrate in the cartridge.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Catching Or Destruction (AREA)
  • Nozzles (AREA)

Abstract

The cartridge (100) has a transparent outer container (110), and a pressure sensitive inner container (120) for receiving fluid concentrate. A mixing chamber (126) is provided with an outlet opening for the concentrate, an inlet opening for a solvent i.e. water, and outlet openings (131.1, 132.2) for concentrate/solvent-mixture. The inner container is designed in the form of bellows or rubber bellows such that the volume of the container is reduced extensively in a measure, in which an additive is yielded from the inner container. An independent claim is also included for a hand operable device for spraying water comprising a spraying tube.

Description

Gebiet der ErfindungField of the invention

Die Erfindung betrifft eine Kartusche für eine Zumischvorrichtung, insbesondere für eine handbedienbare Vorrichtung zum Versprühen insbesondere von Wasser, in das ein Zusatzmittel in Form von flüssigem Konzentrat eingemischt wird.The invention relates to a cartridge for a mixing device, in particular for a manually operated device for spraying in particular of water, in which an additive in the form of liquid concentrate is mixed.

Stand der TechnikState of the art

Eine Kartusche für eine Zumischvorrichtung zum Versprühen von Wasser, in das ein Zusatzmittel in Form eines flüssigen Konzentrates wie ein Pflanzenschutzmittel eingemischt ist, ist beispielsweise aus der WO 2007/014690 bekannt geworden. Bei der aus der WO 2007/014690 bekannt gewordenen Kartusche sowie Zumischvorrichtung ist ein Außengehäuse sowie ein druckempfindlicher Innenbehälter vorgesehen. Der druckempfindliche Innenbehälter nimmt in seinem Inneren das Sprühmittel beziehungsweise das Zusatzmittel oder Konzentrat auf. Bevorzugt ist der druckempfindliche Innenbehälter aus einem komprimierbaren Material ausgebildet. Strömt Wasser in die Zumischvorrichtung ein, so wird über eine Verbindung der Wasserleitung und der Wassereinlassöffnung der Zumischvorrichtung Wasser in einen Zwischenraum zwischen der Innenwand des Außenbehälters sowie den druckempfindlichen Behälter geführt. Wenn Wasser in den Zwischenraum zwischen Außengehäuse und Innenbehälter eindringt, wird das Material des Innenbehälters so lange komprimiert, bis im Inneren des Innenbehälters sowie im Zwischenraum zwischen Innen- und Außenbehälter derselbe Druck herrscht. Auf diese Art und Weise wird Konzentrat beziehungsweise Sprühmittel aus dem Innenbehälter über eine Düse und eine erste Auslassöffnung in eine Mischkammer ausgebracht und dort mit über eine Einlassöffnung zuströmendem Wasser zu dem gewünschten Konzentrat/Wassergemisch vermischt.A cartridge for a Zumischvorrichtung for spraying water, in which an additive is mixed in the form of a liquid concentrate such as a pesticide, for example, from WO 2007/014690 known. At the time of the WO 2007/014690 become known cartridge and Zumischvorrichtung an outer housing and a pressure-sensitive inner container is provided. The pressure-sensitive inner container receives in its interior the spray or the additive or concentrate. Preferably, the pressure-sensitive inner container is formed of a compressible material. If water flows into the admixing device, water is introduced into a space between the inner wall of the outer container and the pressure-sensitive container via a connection of the water line and the water inlet opening of the admixing device. If water penetrates into the space between the outer housing and inner container, the material of the inner container is compressed until the same pressure prevails in the interior of the inner container and in the space between inner and outer container. In this way, concentrate or spraying agent is discharged from the inner container via a nozzle and a first outlet opening into a mixing chamber and mixed there with water flowing in via an inlet opening to the desired concentrate / water mixture.

An den Kartuschen gemäß dem Stand der Technik war nachteilig, dass die Komprimierung des druckempfindlichen Innenbehälter ohne eine bevorzugte Richtung stattfand, so dass zum einen nicht die vollständige Menge des im Innenbehälter befindlichen Spritzmittels ausgebracht wurde und zum anderen nicht leicht abzulesen war, ob und wie viel an Restkonzentrat sich noch in dem komprimierten Innenbehälter befindet.It was disadvantageous in the prior art cartridges that the compression of the pressure-sensitive inner container took place without a preferred direction, so that on the one hand not the complete amount of the spray contained in the inner container was applied and on the other hand it was not easy to read whether and how much of residual concentrate is still in the compressed inner container.

Beschreibung der ErfindungDescription of the invention

Aufgabe der Erfindung ist es somit, die Nachteile gemäß dem Stand der Technik zu überwinden, und insbesondere eine Kartusche zur Verfügung zu stellen, mit der für einen Benutzer leicht entnehmbar ist, welche Restmenge an Konzentrat noch im komprimierbaren Innenbehälter vorhanden ist.The object of the invention is therefore to overcome the disadvantages of the prior art, and in particular to provide a cartridge with which it is easily removable for a user, which residual amount of concentrate is still present in the compressible inner container.

Erfindungsgemäß wird die Aufgabe durch eine Kartusche gemäß dem Anspruch 1 gelöst. Die Volumenänderung des Gummibalges, die direkt mit der Menge des ausgebrachten Mittels korreliert, kann dann optisch vom Betrachter erfasst werden.According to the invention the object is achieved by a cartridge according to claim 1. The volume change of the gumball, which correlates directly with the amount of agent applied, can then be visually detected by the viewer.

Erfindungsgemäß ist der komprimierbare Innenbehälter in Form eines Gummibalges ausgebildet, der sich bei Entleerung bevorzugt in Richtung des an der Kartusche angeordneten Mischkopfes zusammenzieht.According to the invention, the compressible inner container is designed in the form of a rubber bellows, which preferably contracts when emptying in the direction of the mixing head arranged on the cartridge.

Um eine gute visuelle Sichtbarkeit des Füllzustandes der Kartusche zu gewährleisten, ist bevorzugt das Kartuschenaußengehäuse transparent ausgebildet, das heißt für sichtbares Licht kann der Betrachter die genaue Position des Gummibalges erkennen. Alternativ könnte auch der Anschlussabschnitt mit dem Mischkopf transparent ausgebildet sein.In order to ensure a good visual visibility of the filling state of the cartridge, the cartridge outer housing is preferably transparent, that is, for visible light, the viewer can recognize the exact position of the rubber bellows. Alternatively, the connection section with the mixing head could also be made transparent.

Besonders bevorzugt ist es, wenn die erste Auslassöffnung beziehungsweise Düsenöffnung zur Abgabe des Sprühmittels im Mischkopf einen Durchmesser von 0,1 - 3 mm, insbesondere 0,1 - 1 mm, insbesondere bevorzugt 0,1 - 0,5 mm, ganz besonders bevorzugt 0,15 - 0,3 mm hat.It is particularly preferred if the first outlet opening or nozzle opening for dispensing the spraying agent in the mixing head has a diameter of 0.1-3 mm, in particular 0.1-1 mm, particularly preferably 0.1-0.5 mm, very particularly preferably 0 , 15 - has 0.3 mm.

Die Einlassöffnung beziehungsweise Drosselöffnung für die Zufuhr von Lösungsmittel, insbesondere Wasser, hat bevorzugt einen Durchmesser von 1,2 - 3 mm, bevorzugt 1,2 - 2,5 mm, insbesondere 1,4 - 1,9 mm.The inlet opening or throttle opening for the supply of solvent, in particular water, preferably has a diameter of 1.2-3 mm, preferably 1.2-2.5 mm, in particular 1.4-1.9 mm.

Der Durchmesser der Düsenöffnung und/oder der Drosselöffnung wird für das jeweilige Spritzmittel oder Konzentrat, das in den Innenbehälter der Kartusche eingebracht wird, so gewählt, dass das Spritzmittel oder Konzentrat optimal ausgebracht werden kann. Die Durchmesser sowohl der Düsenöffnung und/oder der Drosselöffnung bestimmen das Mischungsverhältnis des Konzentrates mit dem Lösungsmittel, beispielsweise das Mischungsverhältnis mit Wasser. Das unterschiedliche Mischungsverhältnis, das sich aus den unterschiedlichen Öffnungsdurchmessern ergibt, ist dadurch bedingt, dass unterschiedliche Konzentrate bei gleicher Temperatur unterschiedliche Viskositäten aufweisen. Diese Viskositäten beeinflussen das Mischungsverhältnis.The diameter of the nozzle opening and / or the throttle opening is selected for the respective spray agent or concentrate, which is introduced into the inner container of the cartridge, so that the spray agent or concentrate can be applied optimally. The diameters of both the nozzle opening and / or the throttle opening determine the mixing ratio of the concentrate with the solvent, for example, the mixing ratio with water. The different mixing ratio, which results from the different opening diameters, is due to the fact that different concentrates have different viscosities at the same temperature. These viscosities affect the mixing ratio.

Als Materialien für die komprimierbaren Innenbehälter werden bevorzugt Kunststoffe oder gummielastische Werkstoffe wie beispielsweise Polyethylen (PE) eingesetzt.As materials for the compressible inner container preferably plastics or rubber-elastic materials such as polyethylene (PE) are used.

Neben der erfindungsgemäßen Kartusche stellt die Erfindung auch eine Wasserzumischvorrichtung zur Verfügung, wobei die Zumischvorrichtung sich dadurch auszeichnet, dass sie zum einen an einen tragbaren Druckbehälter angeschlossen werden kann, oder aber direkt an das Wassernetz. Wird ein Anschluss an das Wassernetz vorgesehen, so kann die Wasserzumischvorrichtung mit der Kartusche beispielsweise ein herkömmliches Gartenschlauchsystem sein, wie es beispielsweise zum Bewässern eines Gartens zur Verfügung gestellt wird.In addition to the cartridge according to the invention, the invention also provides a Wasserzumischvorrichtung available, the Zumischvorrichtung is characterized in that it can be connected to a portable pressure vessel on the one hand, or directly to the water network. If a connection to the water network is provided, the water mixing device with the cartridge may, for example, be a conventional garden hose system, such as that provided for irrigating a garden.

Bei einer Verwendung mit einem Druckbehälter wird der Wasserdruck im Druckbehälter beispielsweise durch eine von Hand betätigte Luftpumpe aufgebracht, mit welcher der Druckbehälter unter Druck gesetzt werden kann.When used with a pressure vessel, the water pressure in the pressure vessel, for example, applied by a manually operated air pump with which the pressure vessel can be pressurized.

Schließlich stellt die Erfindung neben dem Zumischsystem auch eine handbedienbare Vorrichtung zur Verfügung, die aus einer Ausbringvorrichtung, insbesondere einem Sprührohr und einem Druckwasseranschluss besteht, wobei zwischen dem Druckwasseranschluss und der Ausbringvorrichtung eine Zumischvorrichtung angeordnet ist.Finally, in addition to the admixing system, the invention also provides a manually operable device which consists of a dispensing device, in particular a spray tube and a pressurized water connection, an admixing device being arranged between the pressurized water connection and the dispensing device.

Betreffend die handbedienbare Vorrichtung und die Zumischvorrichtung wird insbesondere auf die WO 2007/014690 Bezug genommen.Regarding the hand-operated device and the admixing device is particularly to the WO 2007/014690 Referenced.

Detaillierte Beschreibung der ErfindungDetailed description of the invention

Die Erfindung soll nunmehr anhand der Zeichnungen beschrieben werden.The invention will now be described with reference to the drawings.

Es zeigen:

Figur 1a 1b
eine nicht erfindungsgemäße Kartusche mit einem Faltenbalg;
Figur 2a - 2b
eine erfindungsgemäße Ausführungsform einer Kartusche mit Gummibalg;
Figur 2c
Aufnahmestutzen für den Gummibalg;
Figur 2d
Detail der Aufnahme eines Gummibalgs mit Hilfe eines Spannringes;
Figur 3
den Einbau einer erfindungsgemäßen Zumischvorrichtung einer erfindungsgemäßen Kartusche in einer handbedienbaren Vorrichtung zum Versprühen von mit einem Zusatzmittel vermischtem Wasser;
Figur 4
eine Ausführungsform einer handbedienbaren Vorrichtung zum Versprühen von mit einem Zusatzmittel vermischtem Wasser, wobei ein Druckbehälter vorgesehen ist.
Show it:
FIG. 1a 1b
a non-inventive cartridge with a bellows;
Figure 2a - 2b
an inventive embodiment of a cartridge with rubber bellows;
Figure 2c
Receiving socket for the rubber bellows;
Figure 2d
Detail of a rubber bellows with the help of a clamping ring;
FIG. 3
the installation of a mixing device according to the invention of a cartridge according to the invention in a hand-operated device for spraying mixed with an additive water;
FIG. 4
an embodiment of a hand-operated device for spraying mixed with an additive water, wherein a pressure vessel is provided.

In Figur 1a ist eine nicht erfindungsgemäße Kartusche dargestellt. Die Kartusche 100 umfasst einen Außenbehälter 110, der bevorzugt transparent ausgebildet wird. Der druckempfindliche Innenbehälter 120 umfasst bevorzugt ein komprimierbares Material, beispielsweise Kunststoff oder einen gummielastischen Werkstoff. Das komprimierbare Material ist in Form eines Faltenbalges mit einzelnen Falten 122 beispielsweise in Form einer Ziehharmonika ausgebildet. Bei der in Figur 1 dargestellten Ausführungsform handelt es sich um eine Kartusche in einem vollständig befüllten Zustand. In die Kartusche hinein ragt der Aufnahmestutzen 124 des Mischkopfes bzw. der Mischkammer 126. Aufnahmestutzen 124 und Mischkopf 126 bilden einen Anschlussabschnitt, der an eine Zumischvorrichtung, wie in Fig. 3 gezeigt, anschließbar ist. Der Aufnahmestutzen 124 umfasst eine Steigleitung 128 für das im Faltenbalg befindliche Konzentrat. Das über die Steigleitung 128 in den Mischkopf 126 aufsteigende Konzentrat wird im Mischkopf mit dem zugeführten Lösungsmittel vorliegend Wasser vermischt und über die dargestellte zweite Auslassöffnung bzw. Auslassöffnungen 132 als Wasser/Konzentrat Gemisch ausgebracht. Die Größe der ersten Auslassöffnung der Steigleitung in den Mischkopf (nicht dargestellt) beziehungsweise bestimmt zusammen mit der Größe der nicht dargestellten Einlassöffnung für das Lösungsmittel, insbesondere das Wasser, das Verhältnis des Wasser Konzentratgemisches, das über die zweite Auslassöffnungen, 131.1, 132.2 ausgebracht wird. Betreffend die Einlassöffnung, die erste und zweite Auslassöffnung wird auf die WO 2007/014690 verwiesen.In FIG. 1a a cartridge not according to the invention is shown. The cartridge 100 comprises an outer container 110, which is preferably made transparent. The pressure-sensitive inner container 120 includes preferably a compressible material, such as plastic or a rubber-elastic material. The compressible material is in the form of a bellows with individual pleats 122, for example in the form of an accordion. At the in FIG. 1 illustrated embodiment is a cartridge in a fully filled state. The receiving nozzle 124 of the mixing head or the mixing chamber 126 projects into the cartridge. The receiving nozzle 124 and the mixing head 126 form a connection section that is connected to a mixing device, as in FIG Fig. 3 shown, is connectable. The receiving nozzle 124 includes a riser 128 for the concentrate contained in the bellows. The ascending via the riser 128 in the mixing head 126 concentrate is mixed in the mixing head with the supplied solvent present water and discharged through the illustrated second outlet opening or outlet openings 132 as a water / concentrate mixture. The size of the first outlet opening of the riser into the mixing head (not shown) or determined together with the size of the inlet opening, not shown, for the solvent, in particular the water, the ratio of the water concentrate mixture, which is discharged via the second outlet openings, 131.1, 132.2. Concerning the inlet opening, the first and second outlet opening is on the WO 2007/014690 directed.

Wird nunmehr durch den Wasserdruck des im Zwischenraum zwischen Außenwand der Kartusche 110 und druckempfindlichem Behälter 120 befindlichem Wasser das Konzentrat ausgetrieben, so komprimiert sich der Faltenbalg in der eingezeichneten Vorzugsrichtung VR. Dies ist in Figur 1b dargestellt. In Figur 1b ist die Situation bei vollständig geleertem Innenbehälter gezeigt. Der Faltenbalg hat sich in einem derartigen Fall in Richtung VR vollständig zusammengezogen und liegt am Aufnahmestutzen124 an. Ist nunmehr die Kartuschenaußenseite 110 mit einer Markierung "Leer" versehen, so kann der Betrachter von außen die Stellung des Faltenbalges erkennen und aus dem Maß auf die noch vorhandene Konzentratmenge in dem Behälter zurückschließen. Neben der Markierung "Leer" können an der Außenseite noch Markierungen für "Voll" und einen "halbleeren" Zustand angebracht sein. Da die Volumenänderung des Faltenbalges nur durch Zusammenziehen in Richtung VR erfolgt, ist die Bemaßung an der Außenseite der Kartuschenaußenwand ein Maß für die Menge an vorhandenem Spritzmittel in der Kartusche. Gleiche Bauteile wie in Figur 1 a sind mit denselben Bezugsziffern bezeichnet. Gut zu erkennen ist, dass die Falten 124 zusammengezogen sind.Now, if the concentrate expelled by the water pressure of the water in the space between the outer wall of the cartridge 110 and the pressure-sensitive container 120, the bellows compressed in the marked preferred direction VR. This is in FIG. 1b shown. In FIG. 1b the situation is shown with completely emptied inner container. The bellows has fully contracted in the VR direction in such a case and abuts against the receiving stub 124. Now, if the cartridge outside 110 provided with a mark "empty", so the viewer can see from the outside the position of the bellows and infer from the measure on the remaining amount of concentrate in the container. Next The mark "empty" can be attached to the outside still marks for "full" and a "half-empty" state. Since the volume change of the bellows occurs only by contraction in the direction of VR, the dimension on the outside of the cartridge outer wall is a measure of the amount of existing spray in the cartridge. Same components as in FIG. 1 a are designated by the same reference numerals. It can be clearly seen that the folds 124 are contracted.

In Figur 2a ist eine erfindungsgemäße Kartusche dargestellt. Anstelle eines Faltenbalges wird hier ein Innenbehälter verwandt, der in Form eines Gummibalges, beispielsweise einem gummielastischen Material, ausgebildet ist. Der Gummibalg 150 in Figur 2a ist in der vollständig gefüllten Stellung dargestellt. Die detaillierte Verbindung des Gummibalges 150 mit dem Aufnahmestutzen 124 im montierten, befüllten Zustand ist in Figur 2c und 2d gezeigt.In FIG. 2a a cartridge according to the invention is shown. Instead of a bellows here an inner container is used, which is in the form of a rubber bellows, for example, a rubber-elastic material formed. The rubber bellows 150 in FIG. 2a is shown in the fully filled position. The detailed connection of the rubber bellows 150 with the receiving socket 124 in the mounted, filled state is in Figure 2c and 2d shown.

Der Gummibalg 150 wird an dem Aufnahmestutzen 124 mittels eines Spannringes 152 befestigt. Aufnahmestutzen 124 und Gummibalg 150 liegen innerhalb des Außenbehälters 110 der Kartusche 100.The rubber bellows 150 is attached to the receiving socket 124 by means of a clamping ring 152. Receiving port 124 and rubber bellows 150 are within the outer container 110 of the cartridge 100th

Spannring 152, Gummibalg 150 und Nut 151 sowie die Außenkontur des Aufnahmestutzens 124 sind in Figur 2c dargestellt. Der Gummibalg 150 ist zwischen Spannring 152 und Aufnahmestutzen 124 eingelegt. In die Nut 151 kann, muß aber nicht ein O-Ring eingelegt sein. In Figur 2c und 2d ist eine Ausführungsform ohne eingelegten O-Ring dargestellt. Der Gummibalg weist einen Wulst 153 auf und ist über den Spannring hinaus nach oben gezogen, wie detailliert in Figur 2d dargestellt. Figur 2d zeigt detailliert den Bereich 2000 aus Figur 2c, der den Bereich von Spannring 152 sowie den zwischen Spannring 152 und Aufnahmestutzen 124 eingebrachten Gummibalg 150 mit Wulst 153 zeigt. Ebenfalls zu sehen ist in Figur 2d, dass der Gummibalg über den Spannring 152 hinaus nach oben gezogen ist. Diese Ausführungsform stellt einen Toleranzausgleich sicher und dass der Gummibalg bei Entleerung vollständig in den Aufnahmestutzen eingezogen wird (nicht dargestellt), wodurch das im Gummibalg enthaltene Mittel vollständig aus diesem ausgetrieben wird. Um den Gummibalg zu montieren wird zunächst der Gummibalg in den Aufnahmestutzen eingelegt, der Gummibalg ist in diesem Vormontagezustand in den Aufnahmestutzen eingezogen und liegt an diesem an. Der in den Aufnahmestutzen eingezogene Gummibalg ist strichpunktiert in Figur 2d dargestellt. Nachdem der Gummibalg 150 in den Aufnahmestutzen 124 eingelegt ist, wird der Spannring 152 warm aufgeschrumpft, so dass ein Festsitz von Gummibalg 150 und Aufnahmestutzen 124 erreicht wird. Durch die oben beschriebene Art der Befestigung des Gummibalgs am Aufnahmestutzen 124 wird eine druckdichte, flüssigkeitsdichte, leckagefreie Verbindung zwischen Gummibalg 150 und Aufnahmestutzen 124 sichergestellt. Zusätzlich zu der beschriebenen Verbindung, bei der in die Nut 151 keine O-Ring eingelegt ist, kann die Dichtigkeit durch Einlegen eines solchen in die Nut 151 verbessert werden, notwendig ist dies aber nicht. Sodann wird der Gummibalg befüllt. In Figur 2d ist der Gummibalg 150 im montierten und befüllten Zustand mit ausgezogenen Linien gezeigt.Clamping ring 152, rubber bellows 150 and groove 151 and the outer contour of the receiving nozzle 124 are in Figure 2c shown. The rubber bellows 150 is inserted between clamping ring 152 and receiving socket 124. In the groove 151 may, but not an O-ring must be inserted. In Figure 2c and 2d an embodiment is shown without inserted O-ring. The rubber bellows has a bead 153 and is pulled up over the tension ring, as detailed in FIG Figure 2d shown. Figure 2d shows in detail the area 2000 Figure 2c which shows the region of clamping ring 152 and the rubber bellows 150 with bead 153 introduced between clamping ring 152 and receiving socket 124. You can also see it in Figure 2d in that the rubber bellows is pulled up over the tensioning ring 152. This embodiment ensures a tolerance compensation and that the rubber bellows when emptying completely into the receiving socket is retracted (not shown), whereby the agent contained in the rubber bellows is completely driven out of this. To mount the rubber bellows, the rubber bellows is first inserted into the receiving socket, the rubber bellows is retracted in this pre-assembly in the receiving socket and is applied to this. The retracted in the receiving socket rubber bellows is dash-dotted in Figure 2d shown. After the rubber bellows 150 is inserted into the receiving socket 124, the clamping ring 152 is shrunk warm, so that a tight fit of rubber bellows 150 and receiving stub 124 is achieved. By the manner described above, the attachment of the rubber bellows on the receiving nozzle 124, a pressure-tight, liquid-tight, leak-free connection between rubber bellows 150 and receiving socket 124 is ensured. In addition to the described connection in which no O-ring is inserted into the groove 151, the tightness can be improved by inserting such into the groove 151, but this is not necessary. Then the rubber bellows is filled. In Figure 2d the rubber bellows 150 is shown in the assembled and filled state with solid lines.

Eine druckdichte und leckagefreie Verbindung bedeutet beispielsweise, dass bis zu Drücken von 80 mbar bei 54° C über zwei Wochen ein Durchdiffundieren von im Gummibalg 150 befindlichen Flüssigkeiten, insbesondere Fungiziden und Herbiziden, wie z. B. die Schädlingsbekämpfungsmittel unter dem Markenname NATUREN® der Firma Scotts Celaflor, Wilhelm-Theodor-Römheld-Straße 28, 55130 Mainz, verhindern. Im Bereich der Öffnung 153 des Aufnahmestutzens 124 ist der Mischkopf 126 (nicht dargestellt) eingebracht.A pressure-tight and leak-free connection means, for example, that up to pressures of 80 mbar at 54 ° C for two weeks, a Durchdiffundieren located in the rubber bag 150 liquids, especially fungicides and herbicides such. B. the pesticides under the brand NATUREN® the company Scotts Celaflor, Wilhelm-Theodor-Römheld-Straße 28, 55130 Mainz, prevent. In the region of the opening 153 of the receiving nozzle 124 of the mixing head 126 (not shown) is introduced.

Gleiche Bauteile wie in den Figuren 1a und 1b mit denselben Bezugsziffern gekennzeichnet. Wird nunmehr aus dem komprimierbaren Innenbehälter, der als Gummibalg 150 ausgelegt ist, Konzentrat über den Mischkopf 126 ausgetrieben, so ändert der Gummibalg in Richtung VR sein Volumen und wird in den Aufnahmestutzen 124, der an den Mischkopf angeschlossen ist, hineingezogen. Die Volumenänderung geschieht in Abhängigkeit von der im Gummibalg befindlichen Konzentratmenge. Figur 2b zeigt die Kartusche mit dem Gummibalg, der nunmehr vollständig in den Aufnahmestutzen der mit dem Mischkopf 124 verbunden ist, eingezogen ist.Same components as in the FIGS. 1a and 1b marked with the same reference numerals. If concentrate is now expelled from the compressible inner container, which is designed as a rubber bellows 150, via the mixing head 126, the rubber bellows changes its volume in the direction of VR and is drawn into the receiving socket 124, which is connected to the mixing head. The change in volume is dependent on the amount of concentrate in the rubber bellows. FIG. 2b shows the cartridge with the rubber bellows, now completely in the receiving socket which is connected to the mixing head 124, retracted.

Ein außenstehender Betrachter kann aufgrund der linearen Volumenänderung mit dem Austreiben des Konzentrates anhand einer Skala, die an der Außenwand der Kartusche angeordnet ist, auf die Füllung an Spritzmittel in der Kartusche zurückschließen.An outside observer can, due to the linear volume change with the expulsion of the concentrate on the basis of a scale, which is arranged on the outer wall of the cartridge on the filling back to spray in the cartridge.

Erfindungsgemäß wird die Einwegkartusche 100 für verschiedene Substanzen verschieden beschaffen sein, insbesondere unterschiedliche Mischköpfe umfassen.According to the invention, the disposable cartridge 100 will be designed differently for different substances, in particular comprising different mixing heads.

In Figur 3 ist eine Zumischvorrichtung dargestellt, die in eine handbetätigte Vorrichtung zum Versprühen von Wasser, in das ein Zusatzmittel in Form eines flüssigen Konzentrates, wie ein Pflanzenschutzmittel, eingemischt wird, eingebracht wird, dargestellt. Die Zumischvorrichtung umfasst ein Sprührohr 200 und ein Handventil 220 mit einem Druckwasseranschluss 224. Des Weiteren dargestellt ist eine Einwegkartusche 100, wie sie in den Figuren 1a bis 2b dargestellt ist. Die Einwegkartusche wird mit der Zumischvorrichtung verbunden, beispielsweise durch Andocken des Mischkopfes 126.In FIG. 3 there is shown an admixing device which is placed in a hand-operated device for spraying water into which an admixture in the form of a liquid concentrate, such as a crop protection agent, is mixed. The admixing device comprises a spray tube 200 and a manual valve 220 with a pressurized water connection 224. Also shown is a disposable cartridge 100 as shown in FIGS FIGS. 1a to 2b is shown. The disposable cartridge is connected to the admixing device, for example by docking the mixing head 126th

Das Handventil 220 umfasst einen Handgriff 226, über den das Handventil 220 betätigt werden kann. Über das Handventil 220 wird der Wasserzulauf zur Mischvorrichtung freigegeben. Das Handventil 220 kann über einen Druckwasseranschluss 224 entweder direkt an eine Druckwasserleitung oder einen Druckbehälter, wie in Figur 4 gezeigt, angeschlossen sein.The manual valve 220 includes a handle 226, via which the manual valve 220 can be actuated. About the manual valve 220, the water supply is released to the mixing device. The manual valve 220 may be connected via a pressure water connection 224 either directly to a pressurized water line or a pressure vessel, as in FIG. 4 shown to be connected.

Bei der Ausführungsform gemäß Figur 4 ist der Druckbehälter 300 dargestellt. Der Druck im Druckbehälter wird mittels eines Manometers 310 angezeigt. Der Druckbehälter umfasst des Weiteren eine von Hand betätigte Luftpumpe 320, mit der der Druckbehälter 300 unter Druck gesetzt werden kann. Das Handventil 220 und damit die Zumischvorrichtung ist über einen Druckschlauch 330 an einen Druckbehälter 300 angeschlossen.In the embodiment according to FIG. 4 the pressure vessel 300 is shown. The pressure in the pressure vessel is indicated by means of a manometer 310. The pressure vessel further comprises a manually operated air pump 320, with which the pressure vessel 300 can be pressurized. The manual valve 220 and thus the admixing device is connected via a pressure hose 330 to a pressure vessel 300.

Mit der vorliegenden Erfindung wird erstmals eine Kartusche angegeben, die einfach auszuwechseln ist und insbesondere den Füllstand des Konzentrates in der Kartusche zuverlässig anzeigt.With the present invention, a cartridge is specified for the first time, which is easy to replace and in particular reliably displays the level of the concentrate in the cartridge.

Claims (8)

  1. A cartridge (100) for a mixing apparatus for spraying a solvent, especially water, in which an additive in the form of a liquid concentrate such as pesticide is mixed, comprising
    - an outside cartridge housing (110);
    - a pressure-sensitive inner container for receiving the liquid concentrate;
    - a mixing chamber (126) with a first outlet opening for the concentrate, an inlet opening for the solvent and a second outlet opening for the concentrate/solvent mixture, with the pressure-sensitive inner container being arranged in such a way that volume of the pressure-sensitive inner container substantially decreases to the extent in which the additive is removed from the inner container, a connecting section with which the cartridge can be connected to a mixing apparatus, characterized in that the connecting section comprises the mixing chamber (126) and a receiving socket (124), with the inner container being arranged as a rubber bellows (150) and the receiving socket (124) being connected with the rubber bellows (150) by a shrink-fitted clamping ring (152) in a pressure- and liquid-tight manner, and with the rubber bellows (150) having a bulge (153) and the bulge (153) being drawn upwardly beyond the clamping ring (152).
  2. A cartridge according to claim 1, wherein the outside cartridge housing is arranged to be transparent.
  3. A cartridge according to one of the claims 1 to 2, wherein the connecting section is arranged to be transparent.
  4. A cartridge according to one of the claims 1 to 3, wherein the inlet opening for the solvent has a diameter and the diameter lies in the range of 1 mm to 3 mm, preferably 1.2 mm to 2.5 mm, especially more preferably 1.4 to 1.9 mm.
  5. A cartridge according to one of the claims 1 to 4, wherein the first outlet opening for the concentrate has a nozzle diameter which lies in the range of 0.1 mm to 2 mm, preferably 0.1 mm to 1 mm, especially preferably 0.1 to 0.3 mm, especially more preferably 0.15 mm to 0.3 mm.
  6. A mixing apparatus especially for a hand-operated apparatus for spraying water, in which an additive is mixed in the form of fluid concentrate, especially a pesticide, comprising a cartridge according to one of the claims 1 to 5, with the cartridge having the mixing chamber (126).
  7. An apparatus, especially a hand-operated apparatus for spraying water, in which an additive is mixed in the form of a liquid concentrate such as a pesticide, consisting of a dispensing device, especially a spray pipe with a spray nozzle and a compressed-water connection, with a mixing apparatus according to claim 6 being arranged between the compressed-water connection and the dispensing device.
  8. A method for mounting a rubber bellows (150) on a cartridge of a mixing apparatus for spraying a solvent with a receiving socket (124) according to one of the claims 1 to 5, comprising the following steps:
    - inserting the rubber bellows (150) in a pre-mounted state in the receiving socket (124), with the rubber bellows (150) having a bulge (153) which protrudes beyond a clamping ring (152), and
    - hot shrink-fitting of the clamping ring (152) after the insertion, so that a tight seat of rubber bellows (150) and receiving socket (124) is achieved.
EP08018133A 2007-11-30 2008-10-16 Cartridge for a mixing device for spraying water mixed with an additive Active EP2065084B1 (en)

Applications Claiming Priority (1)

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US99128807P 2007-11-30 2007-11-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013021732A1 (en) 2013-12-20 2015-07-23 i-clean Technologies GmbH Cleaning cartridge for cleaning device in ovens
EP2905069A1 (en) 2014-02-11 2015-08-12 i-clean Technologies GmbH Metering device and method for operating a metering device
EP4019148A1 (en) 2018-10-19 2022-06-29 Syngenta Crop Protection AG A cartridge for a spraying apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009016419U1 (en) 2009-12-02 2011-04-14 Kress, Markus Cartridge for an admixing device with an opening for adding an admixture
CN107850315B (en) * 2015-08-11 2020-01-21 Bsh家用电器有限公司 Cleaning of cooking chamber

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH679377A5 (en) * 1989-08-21 1992-02-14 Ulrich Richard Wagner
DE4106919A1 (en) * 1991-03-05 1992-09-10 Kautex Werke Gmbh CRUSH BOTTLE WITH INNER CONTAINER
ATE415196T1 (en) 2005-08-01 2008-12-15 Brill Gloria Haus Und Gartenge CARTRIDGE AND MIXING DEVICE FOR A HAND-OPERATED DEVICE FOR SPRAYING WATER MIXED WITH AN ADDITIVE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013021732A1 (en) 2013-12-20 2015-07-23 i-clean Technologies GmbH Cleaning cartridge for cleaning device in ovens
EP2905069A1 (en) 2014-02-11 2015-08-12 i-clean Technologies GmbH Metering device and method for operating a metering device
DE102014202430A1 (en) 2014-02-11 2015-08-13 i-clean Technologies GmbH Dosing device and method for operating a dosing device
EP4019148A1 (en) 2018-10-19 2022-06-29 Syngenta Crop Protection AG A cartridge for a spraying apparatus

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DE502008000448D1 (en) 2010-04-29
EP2065084A1 (en) 2009-06-03

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