EP0197575B1 - Procédé et appareil pour délivrer un liquide visqueux, utilisant un clapet - Google Patents

Procédé et appareil pour délivrer un liquide visqueux, utilisant un clapet Download PDF

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Publication number
EP0197575B1
EP0197575B1 EP19860200381 EP86200381A EP0197575B1 EP 0197575 B1 EP0197575 B1 EP 0197575B1 EP 19860200381 EP19860200381 EP 19860200381 EP 86200381 A EP86200381 A EP 86200381A EP 0197575 B1 EP0197575 B1 EP 0197575B1
Authority
EP
European Patent Office
Prior art keywords
outlet
valve
valve member
liquid
shoulder
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.)
Expired
Application number
EP19860200381
Other languages
German (de)
English (en)
Other versions
EP0197575A1 (fr
Inventor
Jan Marcus Van Koeveringe
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.)
Exter Holding BV
Original Assignee
Exter Holding BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exter Holding BV filed Critical Exter Holding BV
Publication of EP0197575A1 publication Critical patent/EP0197575A1/fr
Application granted granted Critical
Publication of EP0197575B1 publication Critical patent/EP0197575B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
    • B65B39/004—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves moving linearly

Definitions

  • This invention relates to a method for dispensing a viscous liquid, using a valve comprising a body having an inlet and an outlet and a valve member movable perpendicularly to the plane of said outlet, wherein as soon as the entire desired quantity of liquid has passed the outlet the valve member is moved to the outlet at such a velocity, that by suddenly decelerating upon closing the outlet the last quantity of liquid is pushed through the outlet.
  • the bottom surface thereof in the end position of the valve member, is coplanar with the end of the outlet and the outlet is fully filled up and the liquid will be fully released from the valve member.
  • valve member can be decelerated with a shock or optionally shockwise in a plurality of steps, whereas the liquid continues to advance under the influence of inertia. As the desired quantity of liquid is forced through the outlet as one whole, no liquid will cling to the wall of the outlet.
  • the liquid is pushed outward in the vertical, downward direction.
  • the amount of liquid is released from the decelerated valve member not only on the basis of inertia, but in addition by gravity.
  • the invention further relates to an apparatus for carrying out the methods according to the invention, comprising a valve including a body having an inlet and an outlet and a valve member adapted to close said outlet and movable perpendicularly to the plane of the outlet, wherein the valve member includes a shoulder which in the closed condition of the valve is in contact with the valve seat of the outlet and which construction is characterized in that the form and dimensions of the valve member correspond to those of the outlet, so that, in the closed end position of the valve, the bottom surface of the valve member is co-planar with the end of the outlet and the outlet is fully filled up. In this way no liquid can remain behind in the outlet.
  • the shoulder of the valve member strikes the seat, so that the valve member is abruptly stopped. As a consequence, the contact between the valve member and the liquid is broken, so that the liquid is moved along into the container and does not cling to the valve, thus preventing the latter from starting to drip, as no liquid can be present between the valve member and the valve seat.
  • the transition between the shoulder and the valve member is rounded, and the associated part of the valve seat is similarly rounded.
  • the result of this rounding is that the valve member is centred as it is pushed into the outlet. As it is further pushed through the outlet, the valve member will then come to lie in proper sealing relationship with the inner wall of the outlet. As the valve member moves into the outlet, liquid present between the valve member or the shoulder and the valve seat is pushed back into the valve along the rounded surfaces, so that, in the closed condition of the valve, no liquid can be present between the valve member and the valve seat.
  • the valve member may be made of polytetrafluoroethylene.
  • the valve seat may be made of stainless steel, which can easily be cleaned. Such a combination of polytetrafluoroethylene and stainless steel additionally provides for proper guideance of the valve member in the outlet.
  • valve comprising a body 1 with an inlet 2 and an outlet 3.
  • the outlet can be closed by a valve member 4 having a shoulder 5.
  • Shoulder 5 rests upon a valve seat 6.
  • the valve seat has a rounded edge and terminates in a portion defining the outlet 3.
  • Valve member 4 is coupled at the top to a driving rod 7.
  • the valve member can be fixedly connected to the driving rod, for example, by means of bolt 8 via bores 9, 10 and 11 (see Fig. 2).
  • rod 7 is mounted for axial movement by means of a bearing 12 provided with seals 16 and 17.
  • the axial movement of the driving rod can be effected with a pneumatic driving system 13 arranged above the valve.
  • driving rod 7 is connected to two cylinders 14 and 15, arranged in series, and together providing for a stepped length of stroke of driving rod 7.
  • the driving system is shut off from its surroundings by a cover 18.
  • valve member 4 When liquid has to be dispensed, for example, a container should be filled, valve member 4 will be raised under the influence of cylinders 14 and 15 and driving rod 7. Liquid can then enter valve 1 through inlet 2 and leave it through outlet 3. When the desired quantity to be withdrawn has almost been reached, valve member 4 is moved downwards at a high velocity by means of cylinders 14 and 15 and driving rod 7. During this movement, the last amount of liquid will be pushed by the valve member through the outlet 3 as a lump. At the moment when all liquid has been pushed through the outlet, and the bottom surface of valve 4 is co-planar with the outlet end, shoulder 5 strikes seat 6 with some force.
  • valve member is instantaneously stopped, while-the contact between the liquid and the valve member is broken as a result of the inertia of the liquid.
  • valve member 4 As the valve member enters the outlet, it is centered to some extent by the rounded edges of valve seat 6. Subsequently, valve member 4 will come to lie in contact with the valve seat, and any liquid remaining between valve seat 6 and valve member 4 will be forced back into the valve until shoulder 5 is in contact with valve seat 6 and no liquid is left between valve member 4 and valve seat 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)

Claims (5)

1. Une méthode de distribution d'un liquide visqueux en utilisant une valve comprenant un corps comportant une admission et un échappement, et un élément de valve mobile perpendiculairement au plan du dit échappement, méthode selon laquelle, dès que la quantité désirée totale de liquide a franvhi 'échappement, l'élément de valve est poussé sur l'échappement à une vitesse telle qu'en décélérant brusquement lors de la fermeture de l'échappement, la dernière quantité de liquide se trouve poussée dans l'échappement, la méthode étant caractérisée en ce que dans la position de fin de course de l'élément de valve, la surface de fond de celui-ci est coplanaire avec l'extrémité de l'échappement, l'échappement est entièrement rempli et le liquide sera entièrement évacué à partir de l'élément de valve.
2. Une méthode selon la revendication 1, caractérisée en ce que l'élément de valve est décéléré par secousses dans une pluralité de phases.
3. Une méthode selon la revendication 1 ou 2, caractérisée en ce que le liquide est poussé vers l'extérieur en direction verticale et en direction du bas.
4. Appareil pour la mise en oeuvre de l'une des méthodes revendiquées dans les revendications précédentes, comprenant une valve incluant un corps comportant une admission et un échappement et un élément de valve adpaté pour fermer le dit échappement et mobile perpendiculairement par rapport au plan de l'échappement, appareil dans lequel le dit élément de valve inclue un épaulement qui dans la condition fermée de la valve est en contact avec le siège de valve de l'échappement, le dit appareil étant caractérisé en ce que la forme et les dimensions de l'élément de valve correspondent à la forme et aux dimensions de l'orifice, de sorte que dans la position fermée de la valve, la surface de fond de l'élément de valve est co-planaire avec l'extrémité de l'orifice, et que l'orifice est entièrement rempli.
5. Appareil selon la revendication 4, caractérisé en ce que la transition entre l'épaulement et l'élément de valve est arrondie et que la partie associée du siège de valve est similairement arrondie.
EP19860200381 1985-03-11 1986-03-10 Procédé et appareil pour délivrer un liquide visqueux, utilisant un clapet Expired EP0197575B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8500680 1985-03-11
NL8500680A NL8500680A (nl) 1985-03-11 1985-03-11 Werkwijze en inrichting voor het met behulp van een afsluiter vullen van een verpakking met een viskeuze vloeistof.

Publications (2)

Publication Number Publication Date
EP0197575A1 EP0197575A1 (fr) 1986-10-15
EP0197575B1 true EP0197575B1 (fr) 1989-01-04

Family

ID=19845656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860200381 Expired EP0197575B1 (fr) 1985-03-11 1986-03-10 Procédé et appareil pour délivrer un liquide visqueux, utilisant un clapet

Country Status (4)

Country Link
EP (1) EP0197575B1 (fr)
JP (1) JPS61274173A (fr)
DE (1) DE3661609D1 (fr)
NL (1) NL8500680A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2585247Y2 (ja) * 1992-03-12 1998-11-18 四国化工機株式会社 液体定量充填ノズル
GB2319326B (en) * 1996-11-11 2001-05-09 Unilever Plc Dosing apparatus and method
IT1289515B1 (it) * 1996-12-23 1998-10-15 Ronchi Mario Srl Officine Mecc Valvola con otturatore ad azionamento controllato per l'erogazione dosata di fluidi in macchine automatiche di riempimento di contenitori
JP3842870B2 (ja) * 1997-07-11 2006-11-08 Ｓｍｃ株式会社 開閉弁

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE352091C (de) * 1916-07-20 1922-04-24 Borden Co Maschine zum Messen und Abfuellen von Fluessigkeiten
DE2819245A1 (de) * 1978-05-02 1979-11-15 Hick & Co Gmbh Dosiereinrichtung fuer abfuellanlagen

Also Published As

Publication number Publication date
EP0197575A1 (fr) 1986-10-15
JPS61274173A (ja) 1986-12-04
DE3661609D1 (en) 1989-02-09
NL8500680A (nl) 1986-10-01

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