EP2935042B1 - Dosierventil zur nachfüllung eines behälters - Google Patents

Dosierventil zur nachfüllung eines behälters Download PDF

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Publication number
EP2935042B1
EP2935042B1 EP13753517.5A EP13753517A EP2935042B1 EP 2935042 B1 EP2935042 B1 EP 2935042B1 EP 13753517 A EP13753517 A EP 13753517A EP 2935042 B1 EP2935042 B1 EP 2935042B1
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EP
European Patent Office
Prior art keywords
product
bore
dosing
shaft
dosing chamber
Prior art date
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Active
Application number
EP13753517.5A
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English (en)
French (fr)
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EP2935042A1 (de
Inventor
Rudiger Cruysberghs
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Individual
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Individual
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Publication of EP2935042A1 publication Critical patent/EP2935042A1/de
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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
    • B65D83/42—Filling or charging means
    • B65D83/425—Delivery valves permitting filling or charging
    • 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
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B65D83/52—Valves specially adapted therefor; Regulating devices for metering
    • B65D83/54—Metering valves ; Metering valve assemblies

Definitions

  • the present invention concerns a dosing valve which allows the content of a flexible container to be filled as well as dispensed via the valve.
  • it concerns a dosing valve which is operated under pressure of the content in the product recipient or by moving a shaft in which the product is moved.
  • a pressure means such as a mechanical or hydraulic device, ensures that the product is moved from the product recipient. In most cases the product needs to be dosed from the product recipient with the necessary precision. To do so, dosing valves are used. In addition, product recipients are filled with a product. When filling product recipients, such as plastic bags, the sterility of the content may be jeopardised. In most cases, a separate filling mechanism is used, increasing the risk of contamination. Dosing valves are well known from the prior art.
  • Such a dosing valve has already been described in BE10177646 , which describes a dosing valve to dispense the content of a container by means of a self-regulating dosing chamber.
  • the present invention is aimed at improving such a dosing valve, by using the valve to fill as well as dispense a product.
  • the invention concerns a dosing valve according to claim 1 with a housing containing a dosing chamber with a movable cylinder, which moves along a hollow shaft.
  • the product moved through the hollow shaft into a dosing chamber in order to be dispensed via a nozzle or into a guide channel to fill a product recipient with a product.
  • the main characteristic of the hollow shaft is that it features a number of bores, which allow the product to be dispensed or filled selectively.
  • the hollow shaft is also characterised by the fact that it is moved by means of pressure differences in the valve or in the product recipient.
  • the first advantage of the present invention is that it allows the same dosing valve to dispense the product from the product recipient, but also to fill the product recipient with the product.
  • a second advantage is that the dosing valve has a limited number of components, allowing a quick and easy assembly of the valve.
  • the dosing valve (1) consists of a housing (2) which contains a dosing chamber (3) and a guide channel (4).
  • the housing (2) contains a first cylinder (2a) with a larger diameter than that of a second cylinder (2b).
  • This cylinder (2b) is connected to the product recipient, which is not shown in the figure.
  • the product recipient can be a flexible container, such as a bag.
  • the product is moved from the product recipient using a pressure means.
  • Cylinder (2a) of the housing (2) forms the dosing chamber (3).
  • the dosing chamber (3) consists of cylinder (2a) and the extremity (6) of the housing (2a), on the side of the nozzle (8).
  • the dosing chamber (3) contains a piston (7).
  • piston (7) ensures that the product in the product recipient is moved from the dosing chamber (3) to the nozzle (8), as well as from the nozzle (8) to the product recipient.
  • the volume of the dosing chamber (3) can be adjusted depending on the required dosing volumes.
  • piston (7) is made from an elastic material, allowing a tight fit with the cylinder wall (2a) and the hollow shaft (10).
  • piston(7) is equipped with seals (7a,7b) in order to seal the cylinder wall(2a) and the movable shaft (10), respectively. At least one channel (9) is created concentrically around the guide channel (4) between the housing (2b) and the guide channel (4).
  • This channel (9) allows the product to be moved from the product recipient into the dosing chamber (3).
  • the piston (7) rests on the edge of the housing (2a) and the extremity of the guide channel (4), near the channel (9).
  • the piston (7) rests against the extremity (6) of the dosing chamber (3).
  • a spring (25) is fitted in the dosing chamber (3) to push the piston (7) against the edge of the housing (2a) and the extremity of the guide channel (4) if the dosing chamber (3) is full.
  • a shaft (10) extends centrally through the dosing chamber (3) and the guide channel (4).
  • the shaft (10) is fitted with a number of bores (11,12,13). According to figure 1 , bores (11,12) are located at the nozzle (8), while bore (13) is located at the guide channel (4).
  • the shaft (10) can be moved longitudinally through the valve. This means that the bores (11,12,13) can be moved by moving the shaft (10).
  • the shaft (10) can be made from a single part or several parts. According to this embodiment, the shaft (10) consists of 2 parts, connected to each other. The place where both hollow shafts (10a,10b) are connected to each other is not hollow.
  • the two parts (10a,10b) are preferably connected by means of a quick coupling, such as a snap-fit connection, bayonet connection, screw coupling, etc. Furthermore, in a possible embodiment, the parts can also be connected by means of gluing or welding.
  • a first part (10a) of the shaft (10) is located at the extremity (6) of the housing (2) and forms the nozzle (8). This first part (10a) of the shaft (10) is hollow and features a bore (11).
  • the second part (10b) is also hollow and connected to the part (10a), extending through the dosing chamber (3) and the guide channel (4). Bores (12,13) are located in the second part (10b).
  • a first extremity opening (14) of the hollow shaft (10b) leads to the guide channel (4), which also features an opening (15).
  • the opening (15) of the guide channel (4) is connected to the product in the product recipient.
  • the opening of the extremity (14) is closed off with a body (16).
  • the body (16) features a convex part closing off the opening of the extremity (14).
  • the body (16) is connected to a spring-mounted body (17). This can be a spiral spring made from stainless steel or plastic. Both the body (16) and the spring-mounted body (17) can have another form.
  • the opening (14) of the hollow shaft (10b) is closed off by means of an elastic body.
  • This elastic body can be made from a plastic or an elastomer, with or without reinforcement. This elastic body replaces the spiral spring (17) and the closing body (16).
  • a spring-mounted body (26) with a stop valve (27) is fitted in the hollow shaft (10b).
  • the hollow part of the shaft (10b) is wider to accommodate the spring-mounted body (26) with the stop valve(27).
  • a retainer (29) is fitted near the opening (30).
  • the opening (30) is closed off with a stop valve (27).
  • the spring (26) with stop valve (27) is mounted in opening (14), using well-known technologies, such as a ring (28).
  • the other extremity (18) of the hollow shaft (10b) is connected to the extremity (19) of the hollow shaft (10a), thus connecting the shafts (10a,10b). Where both hollow shafts (10a,10b) connect, i.e. at both extremities (18,19), the shaft (10) is not hollow. Both extremities (18,19) have a solid connection between the hollow shafts (10a,10b).
  • the hollow shaft (10a) forms the nozzle (8) of the valve (1).
  • the second extremity of the hollow shaft (10a) has an opening (20), allowing the product to be filled or dispensed from the product recipient.
  • a first bore (11) is located in the shaft (10a) and surrounded by a sealing ring (21). This sealing ring (21) surrounds the housing (2) and the extremity (6).
  • the sealing ring (21) is supported by a ring (23), located in a groove in the wall of the housing (2a) and surrounding the shaft (10).
  • the sealing ring (21) and the shaft (10) are surrounded by the closing part (24) over the extremity (6).
  • the closing part (24) keeps the housing (2), the movable shaft (10) and the sealing ring (21) together.
  • the closing part (24) is fastened to the housing (2) by means of well-known technologies or closures, such as welding, crimping, gluing, screwing or interlocking.
  • bore (11) serves to move the product through the hollow shaft (10a) to the nozzle (8); on the other hand, it also serves to move product from the nozzle (8) into the dosing chamber (3). This bore (11) is released when the hollow shaft (10) is pushed.
  • the second bore (12) is located in the dosing chamber (3) in the shaft(10b) and bore (13) is located at the extremity (14).
  • Recesses with sealing rings (22a, 22b) are fitted on both sides of the bore (13). Bore (12) ensures both the filling and emptying of the dosing chamber (3). Bore (13) only serves to move the product through the hollow shaft (10b) from the channel (9) into the dosing chamber (3), causing the piston (7) to move first in the direction of the extremity (6) and then back to the edge of the housing (2a) and guide channel (4). As a result, the dosing chamber (3) is filled, which allows the product to be dispensed.
  • the operation of the valve (1) is detailed below. To dispense the product from the product recipient, pressure is exerted on the product recipient, causing the product to move the piston (7) through the channel (9) in direction A, according to figure 1 .
  • the shaft (10) is not pushed, the bore (11) is closed off by the seal (21), bore (12) is located in the dosing chamber (3) and bore (13) and seal (22a) of the hollow shaft (10b) are located in the dosing chamber (3). Seal (22b) closes off the guide channel (4).
  • the product fills the dosing chamber (3) through bore (13) and via bore (12).
  • the product in the dosing chamber (3) and the pressure exerted by spring (25) push the piston (7) against the edges of cylinder (2b) and guide channel (4).
  • the shaft (10) is pushed in the direction of the guide channel (4) and the bore (13) and seal (22a) in the guide channel (4) are closed off.
  • the product recipient is filled with a product via the shaft (10) as well, in direction B, according to figure 1 .
  • the product Under pressure and when pushing the hollow shaft (10a) through opening (20) of the nozzle (8), the product enters the dosing chamber (3). Bore (11) is released when shaft (10) is pushed, causing the product to enter the dosing chamber (3).
  • the filling of dosing chamber (3) pushes the piston (7) against the edge of cylinder (2b) and the guide channel (4).
  • the product moves from the dosing chamber (3) through bore (12) into the hollow shaft (10b) in the direction of opening (15).
  • Bore (13) is located in the guide channel (4) and is closed off by seals (22a,22b), causing the product to exert pressure on the body (16).
  • an additional spring-mounted element (26) with a stop valve (27) can be fitted in the hollow shaft (10b). According to this embodiment, the flow in the hollow shaft (10b) is regulated by opening (30) into opening (15).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Claims (9)

  1. Ein Dosierventil (1), um ein Produkt abzugeben und zu füllen, das mindestens Folgende umfasst: Ein Gehäuse (2) mit einem ersten (2a) und zweiten (2b) Abschnitt, wobei der erste (2a) Teil eine Dosierkammer bildet, und der zweite Abschnitt (2b) des Gehäuses (2), der einen Führungskanal mit einem beweglichen Kolben (7) in der Dosierkammer (3) und eine längs bewegliche Welle (10) enthält, die einen ersten hohlen Abschnitt (10a) mit einer Düse (8) und einer Düsenöffnung (20) enthält, die Welle (10) einen zweiten hohlen Abschnitt (10b) umfasst, der sich zentral durch die Dosierkammer (3) und den Kolben (7) erstreckt und im Führungskanal (4) endet, in dem die bewegliche Welle (10) folgende Merkmale aufweist:
    - eine erste Bohrung (11) mit einer Dichtung (21) an der Düse (8), wobei die erste Bohrung (11) selektiv erlaubt, dass das Produkt aus der Dosierkammer (3) durch den ersten hohlen Abschnitt (10a) zur Düsenöffnung (20) fließt;
    - eine zweite Bohrung (12), die sich in der Dosierkammer (3) befindet und welche die Dosierkammer (3) mit dem zweiten hohlen Abschnitt (10b) verbindet,
    - eine dritte Bohrung (13) am Führungskanal (4) und einer Endöffnung (14), die durch einen Körper (16) mit Federeigenschaften geschlossen wird, - wobei es die dritte Bohrung (13) dem Produkt selektiv erlaubt, von einem Produktbehälter über den zweiten hohlen Abschnitt (10b) und die zweite Bohrung (12) in die Dosierkammer (3) zu fließen oder sich im Führungskanal (4) zu befinden und geschlossen zu werden;
    worin der Produktdruck bewirkt, dass der Kolben (7) in der Dosierkammer 3 das Produkt bewegt, während die erste Bohrung (11) freigemacht wird und die dritte Bohrung (13) geschlossen wird, nachdem sich die Welle in die Richtung des Führungskanals bewegt hat, um das Produkt über die Düse (8) abzugeben.
  2. Ein Dosierventil (1), um ein Produkt gemäß Anspruch 1 und 2 zu dosieren und nachzufüllen, in dem die Welle 10 durch die Dosierkammer (3) und den Führungskanal 4 bewegt werden kann.
  3. Ein Dosierventil (1), um ein Produkt gemäß Anspruch 2 zu dosieren und nachzufüllen, in dem die Welle durch Druck bewegt werden kann.
  4. Ein Dosierventil (1), um ein Produkt nach den Ansprüchen 1-3 zu dosieren und nachzufüllen, in dem der erste hohle Abschnitt (10a) und der zweite hohle Abschnitt (10b) der längs beweglichen Welle (10) mit Hilfe eines soliden Verbindungsstücks verbunden sind.
  5. Ein Dosierventil (1), um ein Produkt nach den Ansprüchen 4 und 2 zu dosieren und nachzufüllen, in dem die beiden hohlen Abschnitte (10a, 10b) durch eine Schnellkupplung verbunden sind.
  6. Ein Dosierventil (1), um ein Produkt nach einem der vorstehenden Ansprüche zu dosieren und einzufüllen, in dem die Dichtung (21) der ersten Bohrung (11) im ersten hohlen Abschnitt (10a) als ein Ergebnis der Bewegung einer Düse (8) und der Dosierkammer (3) und die dritte Bohrung (13) in Bezug auf eine zweite Dichtung (22a) im zweiten hohlen Abschnitt (10b) zwischen dem Führungskanal (4) und der Dosierkammer (3) entfernt wird.
  7. Ein Dosierventil (1), um ein Produkt nach Anspruch 1 aus der Düse (8) zu dosieren und nachzufüllen, Druck schiebt das Produkt vom Produktbehälter durch einen Kanal (9) und füllt danach die Dosierkammer (3) über die dritte Bohrung (13) des zweiten hohlen Abschnitts (10b) und der zweiten Bohrung (12), was verursacht, dass sich der Zylinder (7) bewegt, und, nachdem die Hohlwelle (10) geschoben wird, die Dichtung (21) der ersten Bohrung (11) des ersten hohlen Abschnitts (10a) entfernt wird, was es dem Produkt ermöglicht, über die Düsenöffnung (20) zur Düse (8) zu fließen.
  8. Ein Dosierventil (1) nach Anspruch 1 und 2, in dem das Produkt beim Füllen über die Düse (8) durch die erste Bohrung (11) im ersten hohlen Abschnitt (10a) in die Dosierkammer (3) fließt, nachdem die Welle (10) geschoben wird und über die zweite Bohrung (12) in den zweiten hohlen Abschnitt (10b) und den Körper (16) schiebt, wodurch der zweite hohle Abschnitt (10b) im Führungskanal (4) geschlossen wird und verursacht, dass das Produkt über eine Führungskanalöffnung (15) in den Produktbehälter fließt.
  9. Ein Dosierventil (1) nach Anspruch (8) und in dem die Hohlwelle (10b) einen gefederten Körper (26) mit einem Stoppventil (27) für eine Füllöffnung (30) aufweist.
EP13753517.5A 2012-05-24 2013-05-16 Dosierventil zur nachfüllung eines behälters Active EP2935042B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE201200345A BE1020698A5 (nl) 2012-05-24 2012-05-24 Verbeterd doseringsventiel.
PCT/BE2013/000025 WO2014028982A1 (en) 2012-05-24 2013-05-16 Dosing valve allowing refill of a recipient

Publications (2)

Publication Number Publication Date
EP2935042A1 EP2935042A1 (de) 2015-10-28
EP2935042B1 true EP2935042B1 (de) 2019-03-06

Family

ID=49080592

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13753517.5A Active EP2935042B1 (de) 2012-05-24 2013-05-16 Dosierventil zur nachfüllung eines behälters

Country Status (4)

Country Link
EP (1) EP2935042B1 (de)
CN (1) CN103419950B (de)
BE (1) BE1020698A5 (de)
WO (1) WO2014028982A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT4074622T (pt) 2017-12-19 2024-04-15 Prec Valve Corporation Válvula doseadora para dispensa de produto

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2046021A5 (de) * 1969-04-04 1971-03-05 Bret Pierre
FR2591331A1 (fr) * 1985-12-10 1987-06-12 Drevet Jean Baptiste Dispositif de distribution de fractions dosees d'un produit contenu dans un recipient pressurise
IL98266A (en) * 1991-05-26 1994-08-26 Feldman Joseph Dosage valve extract for use in systems for making carbonated sweetened beverages
US5183187A (en) * 1991-06-10 1993-02-02 Martin James H Piston operated fluid dispensing device
ES2224063T3 (es) * 2001-03-26 2005-03-01 3M Innovative Properties Company Valvula dosificadora para un inhalador de dosis medidas que tiene flujo mejorado.
BE1017764A6 (en) * 2007-09-25 2009-06-02 Kerstens Peter Self-dosing device for distribution of e.g. food product, has stem with outflow opening, where movement of product from dosing chamber to outflow opening takes place upon activation of stem
GB0917731D0 (en) * 2009-10-09 2009-11-25 Univ Salford Liquid dispensing apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
BE1020698A5 (nl) 2014-03-04
WO2014028982A1 (en) 2014-02-27
CN103419950A (zh) 2013-12-04
CN103419950B (zh) 2017-04-12
EP2935042A1 (de) 2015-10-28

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