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EP1517010B1 - Valve mounting disc - Google Patents

Valve mounting disc Download PDF

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Publication number
EP1517010B1
EP1517010B1 EP04019998A EP04019998A EP1517010B1 EP 1517010 B1 EP1517010 B1 EP 1517010B1 EP 04019998 A EP04019998 A EP 04019998A EP 04019998 A EP04019998 A EP 04019998A EP 1517010 B1 EP1517010 B1 EP 1517010B1
Authority
EP
European Patent Office
Prior art keywords
plies
valve disc
sealing layer
disc
disc according
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 - Lifetime
Application number
EP04019998A
Other languages
German (de)
French (fr)
Other versions
EP1517010A2 (en
EP1517010A3 (en
Inventor
Horst Griemla
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.)
EWALD EUSCHER GmbH and Co KG
Original Assignee
EWALD EUSCHER GmbH and Co KG
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 EWALD EUSCHER GmbH and Co KG filed Critical EWALD EUSCHER GmbH and Co KG
Priority to PL04019998T priority Critical patent/PL1517010T3/en
Publication of EP1517010A2 publication Critical patent/EP1517010A2/en
Publication of EP1517010A3 publication Critical patent/EP1517010A3/en
Application granted granted Critical
Publication of EP1517010B1 publication Critical patent/EP1517010B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/38—Details of the container body

Definitions

  • the present invention relates to a valve disk according to the preamble of claim 1.
  • Such a valve disk is known from DE 33 17 809 A1.
  • valve disks on the one hand form a closure for a container and on the other hand serve to receive a valve, are mounted on containers which are filled with a pressurized medium.
  • the present invention is therefore based on the object to develop a valve disk of the generic type so that an unwanted outflow of preferably gas is excluded from the filled container.
  • valve disk having the features of claim 1.
  • the existing microintermediate space formed by the surface roughness is hermetically filled in such a way that gas molecules are prevented from flowing through.
  • the new valve disk has properties such as a one-piece part, without restricting the particular manufacturing advantages that brings the production of several layers with it.
  • the new valve plate is so dense that no measurable gas leakage is observed.
  • a gas-tight sealing layer may be provided a film which is applied on one side of the two blank pieces before deformation.
  • plastic film to use a self-adhesive, such as polypropylene, with a metal sheet from which a layer of the blank pieces is made, is coated.
  • a self-adhesive such as polypropylene
  • the sheet may also be coated with a rubber coating, wherein in both cases by the deformation or the deformation forces in the manufacture of the valve disk, the respective sealing layer practically flows into the existing surface depressions.
  • the sealing layer in an initially liquid form, for example as a lacquer or as a suitable plastic, which cure after application and fill in the surface depressions.
  • an initially liquid form for example as a lacquer or as a suitable plastic, which cure after application and fill in the surface depressions.
  • the dish layers which have been deformed together to form a plate dome, are placed in a corresponding immersion bath. Due to the capillary effect, the liquid substance enters the microinterspace and then hardens. Prerequisite is a correspondingly low viscosity of the substance.
  • the solution of the object of the invention according to claim 2 takes advantage of the fact that in principle, the formed of sheet metal, superimposed blank pieces are tinned. As a result of the heat application, at least in the area of the plate dome, a fusion of the tin layers takes place, as a result of which a gas-tight bond is produced between the blank pieces.
  • the sealing layer is formed by the tin layers bonded together in the sense of welding.
  • a heat application of the valve disk for the purpose of melting the tin layers is sufficient in a partial region of the valve disk which, however, extends extends over the full extent, so that a hermetic seal is ensured in the outflow of the gas.
  • the invention is to be realized with little manufacturing effort, which is significant insofar as such valve disks are produced in very large numbers.
  • the valve disk shown in FIG. 1 comprises a total of two disk layers, namely an inner disk layer 1 and an outer disk layer 2.
  • the valve disk is formed by jointly deforming two blank pieces, between which a sealing layer 6 is arranged.
  • This sealing layer 6 may be provided on both plate layers 1, 2, as is the case for example when using a tinned sheet.
  • the sealing layer 6 can also be applied to one of the two plate layers 1, 2, but in any case on the side of a plate layer 1, 2, which faces the other.
  • Such a sealing layer 6 is applied, for example, as a gas-tight plastic film or as a rubber coating, which at least largely fills the existing surface depressions of the dish layers 1, 2 in the contact area after the deformation to the valve disk.
  • This effect is achieved by filling existing surface depressions 7 of the plate layers 1, 2, so that no gas can pass from the interior of the container.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Check Valves (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Packaging For Recording Disks (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Compressor (AREA)
  • Sliding Valves (AREA)
  • Gas Exhaust Devices For Batteries (AREA)

Abstract

Valve plate comprises a gas-tight sealing layer (6) arranged between plate layers (1, 2) in a peripheral partial region. Surface recesses of the plate layers are filled.

Description

Die vorliegende Erfindung betrifft einen Ventilteller gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a valve disk according to the preamble of claim 1.

Ein derartiger Ventilteller ist aus der DE 33 17 809 A1 bekannt.Such a valve disk is known from DE 33 17 809 A1.

Solche Ventilteller, die einerseits einen Verschluß für ein Behältnis bilden und andererseits der Aufnahme eines Ventils dienen, werden an Behältnissen montiert, die mit einem unter Druck stehenden Medium befüllt sind.Such valve disks, on the one hand form a closure for a container and on the other hand serve to receive a valve, are mounted on containers which are filled with a pressurized medium.

Insbesondere bei Befüllung mit einem Gas, beispielsweise zum Betrieb einer Camping-Kochstelle oder einer Löteinrichtung, ergeben sich beim Einsatz der Ventilteller Probleme, da die aneinander liegenden, zu einem Ventilteller geformten Zuschnittstücke nicht gasdicht miteinander verbunden sind.In particular, when filled with a gas, for example, to operate a camping stove or a soldering, arise when using the valve head problems, since the contiguous, shaped to a valve plate blank pieces are not connected to each other gas-tight.

Durch die Oberflächenrauhigkeit sind zwischen den beiden Lagen Mikrozwischenräume vorhanden, durch die das unter Druck stehende Gas aus dem Inneren des Behältnisses entweichen kann.Due to the surface roughness, there are micro-spaces between the two layers, through which the pressurized gas can escape from the interior of the container.

Zwar ist die Menge des entweichenden Gases, bezogen auf eine Zeiteinheit, relativ gering, da jedoch ein Ausstrom ständig erfolgt, entweicht insgesamt gesehen über den gesamten Nutzungszeitraum des Behältnisses eine nicht unerhebliche Menge so daß das tatsächlich nutzbare Gasvolumen nur einen entsprechenden Anteil ausmacht.Although the amount of escaping gas, relative to a unit of time, is relatively low, but as an outflow is constantly, escapes a total of over the entire period of use of the container a significant amount so that the actual usable gas volume makes up only a corresponding proportion.

Diesem Umstand kommt vor allem deshalb eine besondere Bedeutung zu, als die Behältnisse für den genannten Verwendungszweck in großen Stückzahlen zum Einsatz kommen, wodurch sich natürlich ein entsprechender wirtschaftlicher Schaden ergibt.This circumstance is of particular importance because the containers are used in large quantities for the stated purpose, which of course results in corresponding economic damage.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, einen Ventilteller der gattungsgemäßen Art so weiter zu entwickeln, daß ein ungewolltes Ausströmen von vorzugsweise Gas aus dem befüllten Behältnis ausgeschlossen ist.The present invention is therefore based on the object to develop a valve disk of the generic type so that an unwanted outflow of preferably gas is excluded from the filled container.

Diese Aufgabe wird durch einen Ventilteller gelöst, der die Merkmale des Anspruchs 1 aufweist.This object is achieved by a valve disk having the features of claim 1.

Mit Hilfe der zwischen zwei Zwischenstücken vollflächig angeordneten Dichtungsschicht wird der vorhandene, durch die Oberflächenrauhigkeit gebildete Mikrozwischenraum so hermetisch verfüllt, daß das Durchströmen von Gasmolekülen ausgeschlossen ist.With the aid of the sealing layer which is arranged over the entire area between two intermediate pieces, the existing microintermediate space formed by the surface roughness is hermetically filled in such a way that gas molecules are prevented from flowing through.

Der neue Ventilteller besitzt insoweit Eigenschaften wie ein einstückiges Teil, ohne die insbesondere fertigungstechnischen Vorteile, die die Herstellung aus mehreren Lagen mit sich bringt, einzuschränken.The new valve disk has properties such as a one-piece part, without restricting the particular manufacturing advantages that brings the production of several layers with it.

Selbst über einen langen Zeitraum ist der neue Ventilteller so dicht, daß kein meßbarer Gasaustritt festzustellen ist.Even over a long period of time, the new valve plate is so dense that no measurable gas leakage is observed.

Aus den in der Beschreibungseinleitung genannten Gründen ergibt sich eine ganze Reihe von Vorteilen durch die Erfindung, von denen insbesondere der wirtschaftliche Aspekt zu nennen ist, da das in das Behältnis eingebrachte Gasvolumen vollständig nutzbar ist.For the reasons mentioned in the introduction, there are a number of advantages of the invention, of which in particular the economic Aspect to call, since the gas volume introduced into the container is fully usable.

Als gasdichte Dichtungsschicht kann eine Folie vorgesehen sein, die auf einer Seite der beiden Zuschnittsstücke vor der Verformung aufgebracht ist.As a gas-tight sealing layer may be provided a film which is applied on one side of the two blank pieces before deformation.

Dabei ist nach einem weiteren Gedanken vorgesehen, als Kunststofffolie eine selbsthaftende einzusetzen, beispielsweise Polypropylen, mit der eine Blechtafel, aus der eine Lage der Zuschnittsstücke gefertigt wird, beschichtet ist.It is provided according to a further idea, as a plastic film to use a self-adhesive, such as polypropylene, with a metal sheet from which a layer of the blank pieces is made, is coated.

Statt einer Kunststofffolie kann das Blech auch mit einer Gummierung beschichtet sein, wobei in beiden Fällen durch die Verformung bzw. die Verformungskräfte bei der Herstellung des Ventiltellers die jeweilige Dichtungsschicht praktisch in die vorhandenen Oberflächenvertiefungen einfließt.Instead of a plastic film, the sheet may also be coated with a rubber coating, wherein in both cases by the deformation or the deformation forces in the manufacture of the valve disk, the respective sealing layer practically flows into the existing surface depressions.

Ebenfalls denkbar ist die Dichtungsschicht in zunächst flüssiger Form aufzutragen, bspw. als Lack oder als geeigneter Kunststoff, die nach dem Auftrag aushärten und die Oberflächenvertiefungen ausfüllen. Zum Auftrag werden die zu einem Tellerdom gemeinsam verformten Tellerlagen in ein entsprechendes Tauchbad gegeben. Durch die Kapillarwirkung gelangt der flüssige Stoff in den Mikrozwischenraum und härtet danach aus. Voraussetzung ist eine entsprechend geringe Viskosität des Stoffes.It is also conceivable to apply the sealing layer in an initially liquid form, for example as a lacquer or as a suitable plastic, which cure after application and fill in the surface depressions. To order the dish layers, which have been deformed together to form a plate dome, are placed in a corresponding immersion bath. Due to the capillary effect, the liquid substance enters the microinterspace and then hardens. Prerequisite is a correspondingly low viscosity of the substance.

Die Lösung der Aufgabe der Erfindung entsprechend dem Anspruch 2 macht sich zunutze, daß grundsätzlich die aus Blech gebildeten, aufeinander liegenden Zuschnittsstücke verzinnt sind. Durch die Wärmeaufbringung zumindest im Bereich des Tellerdomes erfolgt eine Verschmelzung der Zinnschichten, wodurch ein gasdichter Verbund zwischen den Zuschnittsstücken hergestellt wird. In diesem Fall wird die Dichtungsschicht durch die im Sinne eines Schweißens miteinander verbundenen Zinnschichten gebildet.The solution of the object of the invention according to claim 2 takes advantage of the fact that in principle, the formed of sheet metal, superimposed blank pieces are tinned. As a result of the heat application, at least in the area of the plate dome, a fusion of the tin layers takes place, as a result of which a gas-tight bond is produced between the blank pieces. In this case, the sealing layer is formed by the tin layers bonded together in the sense of welding.

Eine Wärmebeaufschlagung des Ventiltellers zum Zwecke des Schmelzens der Zinnschichten reicht in einem Teilbereich des Ventiltellers aus, der sich jedoch über den vollen Umfang erstreckt, so daß eine hermetische Abdichtung in Ausströmrichtung des Gases gewährleistet ist.A heat application of the valve disk for the purpose of melting the tin layers is sufficient in a partial region of the valve disk which, however, extends extends over the full extent, so that a hermetic seal is ensured in the outflow of the gas.

Im übrigen ist die Erfindung mit geringem fertigungstechnischen Aufwand zu realisieren, was insofern von Bedeutung ist, als solche Ventilteller in sehr großen Stückzahlen hergestellt werden.Moreover, the invention is to be realized with little manufacturing effort, which is significant insofar as such valve disks are produced in very large numbers.

Weitere vorteilhafte Ausbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Further advantageous embodiments of the invention are characterized in the subclaims.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der beigefügten Zeichnungen beschrieben.An embodiment of the invention will be described below with reference to the accompanying drawings.

Es zeigen:

Figur 1
einen erfindungsgemäßen Ventilteller in einer geschnittenen Seitenansicht,
Figur 2
eine Einzelheit des Ventiltellers, ebenfalls in einer geschnittenen Seitenansicht.
Show it:
FIG. 1
a valve disk according to the invention in a sectional side view,
FIG. 2
a detail of the valve disk, also in a sectional side view.

Der in der Figur 1 gezeigte Ventilteller besteht insgesamt aus zwei Tellerlagen, und zwar aus einer inneren Tellerlage 1 sowie einer äußeren Tellerlage 2.The valve disk shown in FIG. 1 comprises a total of two disk layers, namely an inner disk layer 1 and an outer disk layer 2.

Der Ventilteller ist durch gemeinsames Verformen von zwei Zuschnittsstücken gebildet, zwischen denen eine Dichtungsschicht 6 angeordnet ist.The valve disk is formed by jointly deforming two blank pieces, between which a sealing layer 6 is arranged.

Diese Dichtungsschicht 6 kann auf beiden Tellerlagen 1, 2 vorgesehen sein, wie dies beispielsweise beim Einsatz eines verzinnten Bleches der Fall ist.This sealing layer 6 may be provided on both plate layers 1, 2, as is the case for example when using a tinned sheet.

Statt dessen kann die Dichtungsschicht 6 auch auf eine der beiden Tellerlagen 1, 2 aufgebracht sein, in jedem Fall aber auf der Seite einer Tellerlage 1, 2, die der anderen zugewandt ist.Instead, the sealing layer 6 can also be applied to one of the two plate layers 1, 2, but in any case on the side of a plate layer 1, 2, which faces the other.

Eine solche Dichtungsschicht 6 ist beispielsweise als gasdichte Kunststoffolie oder als Gummierung aufgebracht, die nach der Verformung zu dem Ventilteller die vorhandenen Oberflächenvertiefungen der Tellerlagen 1, 2 im Berührungsbereich zumindest weitgehend ausfüllt.Such a sealing layer 6 is applied, for example, as a gas-tight plastic film or as a rubber coating, which at least largely fills the existing surface depressions of the dish layers 1, 2 in the contact area after the deformation to the valve disk.

Bei Einsatz von verzinnten Blechen als Zuschnittsstücke reicht eine Erwärmung im oberen, also im Kopfbereich eines Tellerdomes 5, der ebenso angeformt ist wie ein umlaufender Kragen 3, durch den der Ventilteller mit einem nicht dargestellten Behältnis verbindbar ist.When tin-coated sheets are used as blank pieces, heating in the upper region, that is to say in the head region of a plate dome 5, which is formed as well as a circumferential collar 3, by which the valve disk can be connected to a container, not shown, is sufficient.

Durch die Erwärmung im Kopfbereich des Tellerdomes 5, der sich ausgehend von einem radialen Tellerboden 4 axial erstreckt, wird ein Verschmelzen der beiden einander zugewandten Zinnschichten zu einer Dichtungsschicht erreicht, die sich über den gesamten Umfang des Tellerdomes 5 erstreckt. Auch hierdurch wird ein gasdichter Verbund der Tellerlagen 1, 2 erzielt.Due to the heating in the head region of the plate dome 5, which extends axially starting from a radial plate base 4, a fusion of the two facing tin layers is achieved to a sealing layer which extends over the entire circumference of the plate dome 5. This also achieves a gastight bond of the dish layers 1, 2.

Dieser Effekt wird durch das Ausfüllen vorhandener Oberflächenvertiefungen 7 der Tellerlagen 1, 2 erreicht, so daß kein Gas aus dem Inneren des Behältnisses passieren kann.This effect is achieved by filling existing surface depressions 7 of the plate layers 1, 2, so that no gas can pass from the interior of the container.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
innere Tellerlageinner dish location
22
äußere Tellerlageouter dish layer
33
Kragencollar
44
TellerbodenTellerboden
55
TellerdomTellerdom
66
Dichtungsschichtsealing layer
77
Oberflächenvertiefungensurface depressions

Claims (11)

  1. Valve disc with a disc dome (5), for a preferably gas-filled container, the said valve disc being formed from at least two disc plies (1, 2) of jointly shaped blank pieces, characterized in that there is arranged between the disc plies (1, 2), at least in a fully circumferential part-region, a gas-tight sealing layer (6) by means of which surface depressions (7) present in the disc plies (1, 2) are at least substantially filled.
  2. Valve disc according to Claim 1, in which the disc plies (1, 2) consist of a tin-plated sheet metal, characterized in that the sealing layer (6) is formed as a result of at least partial heating of the shaped disc plies (1, 2) and melting of the tin layers.
  3. Valve disc according to Claim 2, characterized in that the sealing layer (6) is formed as a result of heating of the head region of the disc dome (5).
  4. Valve disc according to Claim 1, characterized in that the sealing layer (6) consists of a gas-tight film, preferably a plastic film.
  5. Valve disc according to Claim 4, characterized in that the film is applied, before the shaping of the blank pieces, at least to one of the two plies lying against one another.
  6. Valve disc according to one of the preceding claims, characterized in that a rubber coating is applied as sealing layer (6) to one of the plies of the blank pieces.
  7. Valve disc according to one of the preceding claims, characterized in that the applied film is self-adhesive.
  8. Valve disc according to one of the preceding claims, characterized in that the film consists of polypropylene.
  9. Valve disc according to one of the preceding claims, characterized in that the sealing layer (6) consists of an initially liquid material which is cured after introduction between the disc plies (1, 2).
  10. Valve disc according to Claim 9, characterized in that the initially liquid material is applied as a result of immersion of the jointly shaped disc plies (1, 2) into a corresponding immersion bath.
  11. Valve disc according to one of the preceding claims, characterized in that the material consists of a lacquer, a plastic or the like.
EP04019998A 2003-09-20 2004-08-24 Valve mounting disc Expired - Lifetime EP1517010B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04019998T PL1517010T3 (en) 2003-09-20 2004-08-24 Valve mounting disc

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10343629 2003-09-20
DE10343629A DE10343629A1 (en) 2003-09-20 2003-09-20 valve disc

Publications (3)

Publication Number Publication Date
EP1517010A2 EP1517010A2 (en) 2005-03-23
EP1517010A3 EP1517010A3 (en) 2005-04-06
EP1517010B1 true EP1517010B1 (en) 2006-03-15

Family

ID=34177860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04019998A Expired - Lifetime EP1517010B1 (en) 2003-09-20 2004-08-24 Valve mounting disc

Country Status (5)

Country Link
EP (1) EP1517010B1 (en)
AT (1) ATE320392T1 (en)
DE (2) DE10343629A1 (en)
ES (1) ES2260718T3 (en)
PL (1) PL1517010T3 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702669A (en) * 1970-02-05 1972-11-14 Ronald F Ewald Aerosol container
ZA807387B (en) * 1979-12-08 1981-11-25 Metal Box Co Ltd Containers
DE3317809C2 (en) * 1983-05-17 1994-09-15 Ewald Euscher Fa Valve plate for container valves, and process for its manufacture
GB2145775B (en) * 1983-08-31 1987-08-05 Metal Box Plc Pressurisable containers

Also Published As

Publication number Publication date
EP1517010A2 (en) 2005-03-23
PL1517010T3 (en) 2006-07-31
EP1517010A3 (en) 2005-04-06
DE502004000349D1 (en) 2006-05-11
ES2260718T3 (en) 2006-11-01
DE10343629A1 (en) 2005-04-14
ATE320392T1 (en) 2006-04-15

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