EP0614498A1 - Vorrichtung zum elektrolytischen metallabscheiden auf metallbändern. - Google Patents
Vorrichtung zum elektrolytischen metallabscheiden auf metallbändern.Info
- Publication number
- EP0614498A1 EP0614498A1 EP92923676A EP92923676A EP0614498A1 EP 0614498 A1 EP0614498 A1 EP 0614498A1 EP 92923676 A EP92923676 A EP 92923676A EP 92923676 A EP92923676 A EP 92923676A EP 0614498 A1 EP0614498 A1 EP 0614498A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal
- edge
- anodes
- masks
- strip
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/06—Wires; Strips; Foils
- C25D7/0614—Strips or foils
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S204/00—Chemistry: electrical and wave energy
- Y10S204/07—Current distribution within the bath
Definitions
- the invention relates to a device for electrolytic metal deposition on the metal strips forming the cathode, preferably steel strips, according to the preamble of claim 1.
- a device of this type is known in which, in order to avoid irregular and excessive deposition of the metal on a metal strip to be galvanized, in the gap between two parallel plate-like anodes in cross section, U-shaped edge masks are provided
- edge masks are made of an insulating material, preferably plastic.
- the edge masks can be set up transversely to the strip direction.
- the transition area of the tape with the width jump creates difficulties in introducing the following tape between the two legs of the edge masks. Since the legs of the edge masks have only a relatively short length, it happens that the subsequent strip does not "thread" between the two legs, but is guided between the outside of one leg and the adjacent anode, whereby the edges masks can be destroyed and the anodes damaged.
- leg width of the known edge masks cannot be increased, since the edge mask is thus too unstable.
- the electrolyte still flows through the gap between the anodes at a relatively high speed, with a pressure difference between the inside and the outside of each mask due to the resulting differences in flow pressure.
- thigh ice is created, through which the thigh experiences a pressure inwards.
- Legs with low stiffness are therefore pressed inwards if they are too long, thus narrowing the clear distance between the legs.
- the object of the invention is to improve the edge masks on a device of the type mentioned, in particular to ensure the shielding in a deposition process after the passage of strips of different widths.
- the object of the invention is achieved in a device of the type mentioned at the outset, which is characterized in that the limbs of each edge mask rest against the anodes with resilient pretension.
- edge masks according to the invention are correspondingly arranged between the anodes, then substantially greater widths of the limbs of the edge mask can be made from the corresponding insulating material due to the given resilient pretension, since on the one hand these edge masks are placed on the anodes by resilient pretensioning get a more stable position within the gap and thus additionally are supported, on the other hand the prestressing counteracts the pressure difference due to the flow of the electrolyte on the legs.
- the resilient contact of the limbs of the edge mask ensures total shielding of the edge area of the metal strip from a possible electrical field from the outside of the anodes outside the bandwidth area.
- Preferred catfish should have corresponding edge masks with a V-shaped cross-section, and the ridge of the V can also be formed by a web connecting the legs.
- the associated drawing shows in cross-section in a principle representation the area of the two anodes which are kept at a distance, in the spacing gap of which the metal strip to be coated is guided in an electrolyte approximately in the center.
- the two anodes have the number 2.
- the metal strip which is smaller in width to be coated, has the number 1.
- the electrolyte is indicated by the number 3.
- Transverse to the direction of the metal strip 1 are the edge masks denoted by the number 4 in the gap arranged from an insulating material. They have a V-shape in cross section. Both of its legs 41 rest against the inner sides of the anodes 2 under resilient pretension and encompass the edge region of the metal strip 1 for shielding against a maintained electric field.
- the two legs 41 are connected to one another by a web 42.
- the fact that this edge mask 4 can be set up to adapt to different bandwidths is indicated by the two arrows.
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)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Secondary Cells (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Manufacturing Of Printed Wiring (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4139066A DE4139066A1 (de) | 1991-11-28 | 1991-11-28 | Vorrichtung zum elektrolytischen metallabscheiden auf metallbaendern |
DE4139066 | 1991-11-28 | ||
PCT/DE1992/000983 WO1993011282A1 (de) | 1991-11-28 | 1992-11-21 | Vorrichtung zum elektrolytischen metallabscheiden auf metallbändern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0614498A1 true EP0614498A1 (de) | 1994-09-14 |
EP0614498B1 EP0614498B1 (de) | 1995-05-31 |
Family
ID=6445731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92923676A Expired - Lifetime EP0614498B1 (de) | 1991-11-28 | 1992-11-21 | Vorrichtung zum elektrolytischen metallabscheiden auf metallbändern |
Country Status (7)
Country | Link |
---|---|
US (1) | US5476577A (de) |
EP (1) | EP0614498B1 (de) |
AT (1) | ATE123318T1 (de) |
AU (1) | AU2940592A (de) |
DE (2) | DE4139066A1 (de) |
ES (1) | ES2072773T3 (de) |
WO (1) | WO1993011282A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2725215B1 (fr) * | 1994-09-29 | 1996-11-22 | Lorraine Laminage | Cellule d'electrodeposition en continu d'alliages metalliques |
DE19510667A1 (de) * | 1995-03-23 | 1996-09-26 | Schloemann Siemag Ag | Abscheidevorrichtung für Metalle aus einem metallhaltigen Elektrolyten |
IT1303889B1 (it) * | 1998-12-01 | 2001-03-01 | Giovanna Angelini | Procedimento ed apparecchiatura per la cromatura in continuo di barree relativa struttura di anodo |
US6547937B1 (en) * | 2000-01-03 | 2003-04-15 | Semitool, Inc. | Microelectronic workpiece processing tool including a processing reactor having a paddle assembly for agitation of a processing fluid proximate to the workpiece |
US20050050767A1 (en) * | 2003-06-06 | 2005-03-10 | Hanson Kyle M. | Wet chemical processing chambers for processing microfeature workpieces |
US7393439B2 (en) * | 2003-06-06 | 2008-07-01 | Semitool, Inc. | Integrated microfeature workpiece processing tools with registration systems for paddle reactors |
US20050035046A1 (en) * | 2003-06-06 | 2005-02-17 | Hanson Kyle M. | Wet chemical processing chambers for processing microfeature workpieces |
US7390383B2 (en) * | 2003-07-01 | 2008-06-24 | Semitool, Inc. | Paddles and enclosures for enhancing mass transfer during processing of microfeature workpieces |
US20050063798A1 (en) * | 2003-06-06 | 2005-03-24 | Davis Jeffry Alan | Interchangeable workpiece handling apparatus and associated tool for processing microfeature workpieces |
US20070144912A1 (en) * | 2003-07-01 | 2007-06-28 | Woodruff Daniel J | Linearly translating agitators for processing microfeature workpieces, and associated methods |
US20080181758A1 (en) * | 2007-01-29 | 2008-07-31 | Woodruff Daniel J | Microfeature workpiece transfer devices with rotational orientation sensors, and associated systems and methods |
US20080178460A1 (en) * | 2007-01-29 | 2008-07-31 | Woodruff Daniel J | Protected magnets and magnet shielding for processing microfeature workpieces, and associated systems and methods |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2974097A (en) * | 1957-11-12 | 1961-03-07 | Reynolds Metals Co | Electrolytic means for treating metal |
GB1096411A (en) * | 1963-08-02 | 1967-12-29 | Wilkinson Sword Ltd | Improvements in or relating to the production of cutting edges |
US3537971A (en) * | 1967-08-07 | 1970-11-03 | Rca Corp | Apparatus for electroplating a ribbon |
JPH07116636B2 (ja) * | 1986-09-26 | 1995-12-13 | 川崎製鉄株式会社 | ラジアル型めつきセル |
-
1991
- 1991-11-28 DE DE4139066A patent/DE4139066A1/de not_active Withdrawn
-
1992
- 1992-11-21 AU AU29405/92A patent/AU2940592A/en not_active Abandoned
- 1992-11-21 AT AT92923676T patent/ATE123318T1/de not_active IP Right Cessation
- 1992-11-21 ES ES92923676T patent/ES2072773T3/es not_active Expired - Lifetime
- 1992-11-21 EP EP92923676A patent/EP0614498B1/de not_active Expired - Lifetime
- 1992-11-21 US US08/295,773 patent/US5476577A/en not_active Expired - Fee Related
- 1992-11-21 DE DE59202418T patent/DE59202418D1/de not_active Expired - Fee Related
- 1992-11-21 WO PCT/DE1992/000983 patent/WO1993011282A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9311282A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU2940592A (en) | 1993-06-28 |
DE59202418D1 (de) | 1995-07-06 |
ATE123318T1 (de) | 1995-06-15 |
DE4139066A1 (de) | 1993-06-03 |
EP0614498B1 (de) | 1995-05-31 |
WO1993011282A1 (de) | 1993-06-10 |
ES2072773T3 (es) | 1995-07-16 |
US5476577A (en) | 1995-12-19 |
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