EP1517010B1 - Disque de soupape - Google Patents

Disque de soupape Download PDF

Info

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)
English (en)
Other versions
EP1517010A2 (fr
EP1517010A3 (fr
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/pl
Publication of EP1517010A2 publication Critical patent/EP1517010A2/fr
Publication of EP1517010A3 publication Critical patent/EP1517010A3/fr
Application granted granted Critical
Publication of EP1517010B1 publication Critical patent/EP1517010B1/fr
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)
  • Check Valves (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Compressor (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Packaging For Recording Disks (AREA)
  • Sliding Valves (AREA)
  • Gas Exhaust Devices For Batteries (AREA)

Claims (11)

  1. Disque de soupape avec un dôme de disque (5) pour un récipient rempli, de préférence, avec du gaz, qui est constitué d'au moins deux couches de disque (1, 2) de pièces découpées déformées conjointement, caractérisé en ce qu'une couche d'étanchéité (6) étanche au gaz, à travers laquelle des cavités superficielles existantes (7) des couches de disque (1, 2) sont remplies au moins largement, est placée entre les couches de disque (1, 2) au moins dans une zone partielle sur toute la circonférence.
  2. Disque de soupape selon la revendication 1, dans lequel les couches de disque (1, 2) sont constituées d'une tôle galvanisée, caractérisé en ce que la couche d'étanchéité (6) est formée par le réchauffage au moins partiel des couches de disque déformées (1, 2) et la fusion des couches galvanisées.
  3. Disque de soupape selon la revendication 2, caractérisé en ce que la couche d'étanchéité (6) est formée par le réchauffage de la zone de tête du dôme de disque (5).
  4. Disque de soupape selon la revendication 1, caractérisé en ce que la couche d'étanchéité (6) est constituée par une feuille étanche au gaz, de préférence une feuille en matière synthétique.
  5. Disque de soupape selon la revendication 4, caractérisé en ce que la feuille est appliquée avant la déformation des pièces découpées au moins sur l'une des deux couches placées l'une à côté de l'autre.
  6. Disque de soupape selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un engommage est appliqué comme couche d'étanchéité (6) sur l'une des couches des pièces découpées.
  7. Disque de soupape selon l'une quelconque des revendications précédentes, caractérisé en ce que la feuille appliquée est autoadhésive.
  8. Disque de soupape selon l'une quelconque des revendications précédentes, caractérisé en ce que la feuille est constituée de polypropylène.
  9. Disque de soupape selon l'une quelconque des revendications précédentes, caractérisé en ce que la couche d'étanchéité (6) est constituée d'une matière d'abord liquide durcie après sa pose entre les couches de disque (1, 2).
  10. Disque de soupape selon la revendication 9, caractérisé en ce que la matière d'abord liquide est appliquée par l'immersion des couches de disque déformées conjointement (1, 2) dans un bain d'immersion approprié.
  11. Disque de soupape selon l'une quelconque des revendications précédentes, caractérisé en ce que la matière est constituée d'une laque, d'une matière synthétique ou d'une matière similaire.
EP04019998A 2003-09-20 2004-08-24 Disque de soupape Expired - Lifetime EP1517010B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04019998T PL1517010T3 (pl) 2003-09-20 2004-08-24 Grzybek zaworu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10343629 2003-09-20
DE10343629A DE10343629A1 (de) 2003-09-20 2003-09-20 Ventilteller

Publications (3)

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

Family

ID=34177860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04019998A Expired - Lifetime EP1517010B1 (fr) 2003-09-20 2004-08-24 Disque de soupape

Country Status (5)

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

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 (de) * 1983-05-17 1994-09-15 Ewald Euscher Fa Ventilteller für Behälterventile, sowie Verfahren zu seiner Herstellung
GB2145775B (en) * 1983-08-31 1987-08-05 Metal Box Plc Pressurisable containers

Also Published As

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

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