EP1789610B1 - Procede pour appliquer une bande de protection sur une plaque cathodique pour l'extraction electrolytique d'un metal contenu dans un liquide electrolytique - Google Patents

Procede pour appliquer une bande de protection sur une plaque cathodique pour l'extraction electrolytique d'un metal contenu dans un liquide electrolytique Download PDF

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Publication number
EP1789610B1
EP1789610B1 EP05782791A EP05782791A EP1789610B1 EP 1789610 B1 EP1789610 B1 EP 1789610B1 EP 05782791 A EP05782791 A EP 05782791A EP 05782791 A EP05782791 A EP 05782791A EP 1789610 B1 EP1789610 B1 EP 1789610B1
Authority
EP
European Patent Office
Prior art keywords
protective strip
cathode plate
cathode sheet
pressing
protective
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
EP05782791A
Other languages
German (de)
English (en)
Other versions
EP1789610A2 (fr
Inventor
Josef Schnitzlbaumer
Gerhard Anger
Markus Leitner
Gerhard Gerner
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.)
Aluminium Ranshofen Walzwerk GmbH
Amag Rolling GmbH
Original Assignee
Aluminium Ranshofen Walzwerk GmbH
Amag Rolling GmbH
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 Aluminium Ranshofen Walzwerk GmbH, Amag Rolling GmbH filed Critical Aluminium Ranshofen Walzwerk GmbH
Priority to PL05782791T priority Critical patent/PL1789610T3/pl
Publication of EP1789610A2 publication Critical patent/EP1789610A2/fr
Application granted granted Critical
Publication of EP1789610B1 publication Critical patent/EP1789610B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/02—Electrodes; Connections thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/53265—Means to assemble electrical device with work-holder for assembly

Definitions

  • the invention relates to a method for applying a protective strip on a cathode plate for the electrowinning of a metal from an electrolyte liquid, wherein the protective strip made of plastic with the aid of a pressing tool to the heated cathode sheet with a melting of their cathode sheet facing surface and then pressed over the cathode plate is cooled.
  • a disadvantage of this known A method for applying a protective strip on a cathode plate is especially that the adhesion of the protective strip on the cathode plate can be affected by air pockets, resulting in the full-surface pressing the protective strips to the heated cathode plate.
  • the protective strip not only prevents corrosion of the cathode plate but also protects against mechanical damage to the cathode plate during shaving off of the metal deposited electrolytically on the cathode plate in the border region of the metal deposits, which places considerable demands on the adhesion of the protective strips brings the cathode sheets with it.
  • the invention is therefore based on the object, a method for applying a protective strip on a cathode plate for the electrolytic extraction of a metal from an electrolyte liquid of the type described in such a way that a higher load-resistant connection between the protective strip and the cathode plate can be ensured.
  • the invention solves the problem set by the fact that the protective strip applied to a resiliently resilient in the pressing, against the cathode plate pre-curved pressing tool and is pressed progressively from a determined by the curvature of the pressing tool Aufsetz Scheme to the cathode plate.
  • the protective strip is first applied to a pre-curved against the cathode plate pressing tool and pressed with the aid of this pressing tool to the cathode plate, initially results in a Aufsetz Scheme in the apex of the curvature, which due to the elastic resilience of the pressing tool in Andschreibsinn the pressure range during the Preßhubes gradually expanded to the entire extent of the pressing tool, so that by the progressive pressing the Protective strip to the cathode plate, the risk of air bubbles can be excluded despite the melting of the protective strip in the contact area.
  • the air between the heated cathode plate and the protective strip is yes due to the curvature of the pressing tool, starting from the apex of the curvature displaced in the buckling direction over the surface of the protective strip to the outside. This ensures a rich concern of the protective strip on the cathode plate as a prerequisite for good adhesion.
  • the cathode plate is cooled after pressing the protective strip by applying cooling plates, which also allow a lowering of the cooling time.
  • a device with a pressing tool which comprises at least one cheek plate for pressing a protective strip on one side of the cathode plate.
  • the cheek plate has a curved against the cathode plate leaf spring for receiving the protective strip.
  • the leaf spring which rests the recorded protective strip at a Preßhub of the pressing tool in the apex region of the Blattfederwölbung on the cathode plate is flattened during the further Preßverlaufs, wherein the protective strip is progressively pressed starting from the attachment area in buckling direction to the cathode plate.
  • This progressive pressing of the protective strip to the cathode plate avoids not only air pockets between the cathode sheet and the Schutzieiste, but also brings benefits for any shaping of the warmed over the heated cathode sheet protective strip with him, because this shape must not be made simultaneously over the extension of the protective strip in buckling direction of the leaf spring.
  • the leaf spring may have a profile corresponding to the nominal cross section of the protective strip.
  • a protective strip 3 made of a suitable thermoplastic material, preferably covered with a copolymeric polyolefin.
  • the cathode sheet 1 may be brushed in the region of the later protective strips 3 prior to its heating, on the one hand to clean the surface of the cathode sheet 1 in this area and, on the other hand, to obtain a surface structure improving the adhesive bond to the protective strips 3.
  • connection of the protective strips 3 with the cathode plate 1 is effected by pressing the protective strips 3 to the correspondingly heated cathode plate 1, wherein the protective strips 3 are melted on the cathode plate 1 facing surface, so that there is a good adhesive bond during subsequent cooling when the inclusion of air bubbles between the cathode plate 1 and the protective strips 3 can be prevented.
  • a press tool 4 which comprises two cheek plates 5 with against the cathode plate 1 bulging leaf springs 6 for receiving the protective strips 3. These leaf springs 6 are slidably mounted on the cheek plates 5 in sliding blocks 7 in length to allow flattening of the leaf springs 6 during the Preßhubes.
  • the spanned on the curved leaf springs 6 protective strips 3 are first pressed in the apex region of the Blattfederwölbung to the heated cathode sheet 1, as shown in FIG.
  • the protective strips 3 are pressed progressively starting from this middle Aufsetz Scheme 8 to the length of the cathode plate 1, because the leaf springs 6 are increasingly flattened to be held pressed down finally over the entire length to the cathode plate 1.
  • the cathode plate 1 with the applied protective strips 3 can be removed from the pressing tool 4.
  • the leaf springs 6 can be profiled according to the desired cross section of the protective strips 3, for example, in the region of the electrolyte facing longitudinal side of the protective strips 3 while pressing this protective strips 3 to the cathode plate 1 to achieve a rounding of the longitudinal edge.
  • Such a plastic deformation is possible due to the heating of the protective strips 3 through the cathode plate 1 without difficulty.
  • the pressing pressure is preferably between 4 to 6 bar and is held for about 1 min before the cathode plate 1 is cooled via cooling plates to a stack temperature.
  • the pressing against the ends of the protective strips 3 pressing the protective strips to the cathode plate 1 also ensures a positive connection of the protective strips 3 to the edge strips 9, without a risk of corrosion in the connection area to fear the cathode plate 1.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electroplating Methods And Accessories (AREA)

Claims (5)

  1. Procédé pour appliquer une bande de protection sur une plaque cathodique pour l'extraction électrolytique d'un métal contenu dans un liquide électrolytique, la bande de protection en matière synthétique étant pressée à l'aide d'un outil de pressage sur la plaque de cathode chauffée, avec mise en fusion de sa surface tournée vers 7,a plaque de cathode et, ensuite, étant refroidie par l'intermédiaire de la plaque de cathode, caractérisé par le fait que la bande de protection est appliquée sur un outil de pressage déformable élastiquement dans le sens du pressage, pré-incurvé contre la plaque de cathode, et est pressée sur la plaque de cathode, progressivement, en partant d'une zone de placement déterminée par l'incurvation de l'outil de pressage.
  2. Procédé selon la revendication 1, caractérisé par le fait que la bande de protection est pressée progressivement sur la plaque de cathode, en partant d'une zone centrale vers les deux côtés de la longueur et/ou de la largeur.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la plaque de cathode est refroidie après pressage de la bande de protection, par une application de plaques de refroidissement.
  4. Dispositif de mise en oeuvre du procédé selon l'une des revendications 1 à 3 avec un outil de pressage, comprenant au moins une mâchoire de pressage, pour presser une bande de protection sur une face de la plaque de cathode, caractérisé par le fait que la mâchoire de pressage (5) présente un ressort à lame (6), pré-incurvé contre la plaque de pressage (1), pour supporter la bande de protection (3).
  5. Dispositif selon la revendication 4, caractérisé par le fait que le ressort à lame (6) présente un profil correspondant à la section transversale de consigne de la bande de protection (3).
EP05782791A 2004-09-13 2005-09-13 Procede pour appliquer une bande de protection sur une plaque cathodique pour l'extraction electrolytique d'un metal contenu dans un liquide electrolytique Active EP1789610B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05782791T PL1789610T3 (pl) 2004-09-13 2005-09-13 Sposób nanoszenia listwy ochronnej na blachę katodową dla elektrolitycznego uzyskiwania metalu z cieczy elektrolitycznej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0152304A AT413385B (de) 2004-09-13 2004-09-13 Verfahren zum aufbringen einer schutzleiste auf ein kathodenblech zur elektrolytischen gewinnung eines metalls aus einer elektrolytflüssigkeit
PCT/AT2005/000363 WO2006029428A2 (fr) 2004-09-13 2005-09-13 Procede pour appliquer une bande de protection sur une plaque cathodique pour l'extraction electrolytique d'un metal contenu dans un liquide electrolytique

Publications (2)

Publication Number Publication Date
EP1789610A2 EP1789610A2 (fr) 2007-05-30
EP1789610B1 true EP1789610B1 (fr) 2008-01-02

Family

ID=34715991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05782791A Active EP1789610B1 (fr) 2004-09-13 2005-09-13 Procede pour appliquer une bande de protection sur une plaque cathodique pour l'extraction electrolytique d'un metal contenu dans un liquide electrolytique

Country Status (11)

Country Link
US (1) US20070267781A1 (fr)
EP (1) EP1789610B1 (fr)
JP (1) JP2008513608A (fr)
AT (2) AT413385B (fr)
AU (1) AU2005284650B2 (fr)
CA (1) CA2580089C (fr)
DE (1) DE502005002447D1 (fr)
ES (1) ES2299083T3 (fr)
NO (1) NO341133B1 (fr)
PL (1) PL1789610T3 (fr)
WO (1) WO2006029428A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO344197B1 (no) * 2018-05-04 2019-10-14 Partek As Elektrisk isolering av plateformede elektroder

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1206656A (en) * 1912-08-01 1916-11-28 Edouard Benedictus Press-plate.
JPS452259Y1 (fr) * 1968-05-01 1970-01-30
NL7609332A (nl) * 1976-08-23 1978-02-27 Shell Int Research Werkwijze voor het op elektrolytische wijze winnen van een laag metaal.
JPS55147612A (en) * 1979-05-09 1980-11-17 Toshiba Corp Polarizing plate gluing device
JPS6333590A (ja) * 1986-07-28 1988-02-13 Akita Seiren Kk 電解用陰極板周縁部の絶縁被覆方法
DE3912242A1 (de) * 1989-04-14 1990-10-18 Gurit Essex Ag Vorrichtungen zum maschinellen aufbringen von flexiblen, einseitig klebbaren schichtkoerpern auf werkstuecke und verwendung derselben
JP2976678B2 (ja) * 1992-03-04 1999-11-10 松下電器産業株式会社 積層セラミックコンデンサの製造方法
US5494546A (en) * 1994-02-18 1996-02-27 Horvath; Steven J. Apparatus and method for applying anti-lacerative film to glass
AT403808B (de) * 1994-09-29 1998-05-25 Austria Metall Kathodenblech für die elektrolytische gewinnung von metallen aus einem flüssigen elektrolyten
DE19620504C2 (de) * 1996-05-22 1999-05-12 Mtu Friedrichshafen Gmbh Elektrode für eine Schmelzkarbonatbrennstoffzelle und Verfahren zur Herstellung einer solchen sowie deren Verwendung
JP3378447B2 (ja) * 1996-08-30 2003-02-17 タキロン株式会社 金属板の被覆接着方法
US5785827A (en) * 1997-02-07 1998-07-28 Dougherty; Robert C. Edge protector for refining plates
JPH1114827A (ja) * 1997-06-23 1999-01-22 Hitachi Ltd 偏光板貼付装置
US6579409B2 (en) * 2001-02-14 2003-06-17 Lexmark International, Inc. Segmented compliant platen for film sealing on ink jet cartridges
JP3931330B2 (ja) * 2001-09-14 2007-06-13 ソニー株式会社 熱プレス用プレートおよびカード製造装置
JP4063049B2 (ja) * 2001-12-14 2008-03-19 旭硝子株式会社 フィルムの接合方法、その方法を用いた広幅フィルムの製造方法
US7182118B2 (en) * 2003-06-02 2007-02-27 Asm Assembly Automation Ltd. Pick and place assembly for transporting a film of material

Also Published As

Publication number Publication date
ES2299083T3 (es) 2008-05-16
CA2580089A1 (fr) 2006-03-23
ATE382723T1 (de) 2008-01-15
US20070267781A1 (en) 2007-11-22
WO2006029428A3 (fr) 2006-08-03
DE502005002447D1 (de) 2008-02-14
NO341133B1 (no) 2017-08-28
AU2005284650A1 (en) 2006-03-23
AU2005284650B2 (en) 2010-06-17
ATA15232004A (de) 2005-07-15
WO2006029428A2 (fr) 2006-03-23
NO20071906L (no) 2007-04-13
AT413385B (de) 2006-02-15
CA2580089C (fr) 2012-01-24
EP1789610A2 (fr) 2007-05-30
JP2008513608A (ja) 2008-05-01
PL1789610T3 (pl) 2008-05-30

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