EP3514263A2 - Dispositif et procédé de traitement électrolytique d'une bande métallique - Google Patents
Dispositif et procédé de traitement électrolytique d'une bande métallique Download PDFInfo
- Publication number
- EP3514263A2 EP3514263A2 EP19152914.8A EP19152914A EP3514263A2 EP 3514263 A2 EP3514263 A2 EP 3514263A2 EP 19152914 A EP19152914 A EP 19152914A EP 3514263 A2 EP3514263 A2 EP 3514263A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- surge
- electrode
- nozzle
- metal strip
- treatment liquid
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 238000004140 cleaning Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 239000012670 alkaline solution Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012811 non-conductive material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
Definitions
- the invention relates to an apparatus and a method for electrolytic treatment, in particular cleaning, of a metal strip, which is transported along a transport direction through a treatment section of the device and is acted upon via a nozzle with an electrolytic treatment liquid.
- the DE 31 08 615 A1 describes a device for the electrolytic treatment of a metal strip, in particular for the electrolytic plating or descaling of the surfaces of the metal strip.
- the apparatus comprises an electrolytic tank in which an electrolytic liquid is located and a plurality of rollers arranged along a transport path of the metal strip.
- the metal strip is deflected by the rollers in a zigzag manner and thereby moves through the electrolysis tank.
- the device further comprises paired electrode pads provided in parallel and facing each other so that the metal strip is transported vertically between them for electrolytic treatment.
- Each electrode pad is provided with slots through which the electrolyte is delivered to the surface of the metal strip at a high static pressure.
- a voltage is applied between the metal strip, for example, by contacting an electrically conductive roller and the electrode pad.
- the electrode pads of the device set forth above are outside the electrolytic bath.
- dip pole plates may be partially or substantially completely submerged in the electrolytic bath, as shown in US Pat Fig. 1 the DE 31 08 615 A1 is shown.
- the metal strip is electroplated or electrolytically descaled by applying a voltage between the metal strip as the cathode and a dip pole plate as the anode.
- a metal strip goes out of the DE 102 12 436 A1 out. Again, the treatment of the metal strip takes place during a vertical transport through a treatment area.
- horizontal systems which perform the electrolytic treatment on the horizontal metal strip. That's how it describes DE 102 10 538 B4 the electrolytic treatment, metallizing and etching of items to be treated, for example of printed circuit boards, in a horizontal flow system.
- the EP 0 870 854 B1 describes a device for the electrolytic cleaning of a metal strip.
- the metal strip to be cleaned is guided horizontally between opposing, facing nozzles.
- the nozzles spray an alkaline aqueous solution on both sides of the belt, one of the nozzles being a positive electrode and the other nozzle being a negative electrode.
- the metal strip is brushed in a stream of clean water with brush rolls positioned at positions in the direction of transport of the strip adjacent to the nozzles.
- An object of the invention is to provide an improved apparatus and method for electrolytic treatment, preferably cleaning, of a metal strip.
- the device according to the invention is used for the electrolytic treatment of a metal strip by means of an electrolytic treatment liquid.
- the metal strip is transported through a treatment section for treatment along a transport direction.
- the transport of the metal strip can be realized for example via rollers.
- the device and the method set forth below for the electrolytic cleaning of the metal strip by means of an electrolytic cleaning liquid are meant in particular the removal of surface deposits such as metal particles (Fe- / Al-fines), oil and grease contamination, corrosion protection oils, lubricating oils and / or friction-reducing thermoforming aids.
- the device has at least one surge nozzle, which has a surge opening and an electrode.
- the surge nozzle is adapted to discharge an electrolytic treatment liquid, which is preferably an alkaline solution, into contact with the electrode from the surge port and to apply it to at least one surface of the metal strip in the treatment section.
- the treatment liquid is preferably applied to the metal strip at a low pressure, for example less than 100 mbar.
- the apparatus further includes a power supply configured to apply an AC voltage between the metal band and the electrode.
- the treatment liquid acts on a thin boundary layer in the transition between the treatment liquid and the strip surface, whereby the electric current losses can be reduced. In this way, the specific energy consumption can be reduced.
- the technical effects are due to the surge of the treatment liquid, i. the application of the treatment liquid with a preferably low pressure compared to high-pressure nozzles supported. Due to the reduced stray current, the tendency of corrosion on metallic parts of the device is also reduced.
- the device has at least two, more preferably exactly two, splash nozzles, which are arranged in pairs, so that the treatment section between two pairs arranged splash nozzles located.
- Each surge nozzle in this case has a surge port and an electrode, is further configured to bring the electrolytic treatment liquid into contact with the electrode, discharge it from the associated surge port, and apply it to at least one surface of the metal strip in the treatment section.
- the surge openings of two paired surge nozzles are in this case facing each other, so that the passing through the treatment section metal strip can be acted upon on both sides with treatment liquid.
- the power supply according to this embodiment is arranged to apply an AC voltage between the metal band and the electrodes of each of the surge nozzles.
- the above preferred embodiment enables a two-sided and in particular uniform treatment of the metal strip.
- the electrodes of the paired surge nozzles are preferably contacted symmetrically to the fluid flow.
- the device is arranged so that the metal strip passes substantially vertically through the treatment section.
- Vertical in this case means in the direction of gravity, whereby the treatment liquid can run along the band in a temporally and spatially defined manner. Removal of the treatment liquid by means of brushes, compressed air, etc. can thus be dispensed with. This leads to a further optimization of the energy consumption and maintenance of the device.
- the swirl nozzle preferably has an elongated base body with at least one outlet opening, which is preferably designed as a slot along the longitudinal extent of the main body, wherein the electrode is mounted on the outside of the base body such that it overlaps the outlet opening in such a way that the treatment liquid leaving the outlet opening coincides the electrode comes into contact.
- the treatment liquid can be by a structurally simple and reliable surge nozzle under Set AC voltage.
- the electrode and the base body are preferably detachably connected to one another in order to be able to change the nature of the wave nozzle in a simple manner and adapt it to the treatment environment.
- the main body is also preferably made of one or more non-conductive materials, such as plastic.
- the electrode has two electrode sections, each having a longitudinal edge, which are facing each other so that they form a slot-shaped outlet opening.
- the electrode sections are for this purpose preferably two independent components, which may be the same, symmetrical or modular.
- the contact area of the electrode i. that surface that comes in electrical contact with the treatment liquid, set and optimize easily.
- the adjustment of the contact surface can be done manually or by one or more actuators automatically, which can optimize the treatment effect, energy consumption, etc. without disassembly of the nozzle, for example, during operation of the device.
- the electrode sections are preferably installed as operating change parts in the surge nozzle and thus designed for a quick and easy disassembly and assembly.
- a material change of the electrode sections on known or newly developed materials with optimized properties, such as in terms of life and / or electrical properties can thus be implemented with low material and personnel costs.
- the surge nozzle further comprises at least one nozzle plate, which forms the surge opening and is mounted on the outside of the main body so that the electrode is located between the main body and the nozzle plate.
- the surge nozzle has two nozzle plates, each have a nozzle lip which face each other, so that the surge port is formed like a slot between the nozzle lips.
- the nozzle plates may, for example, have slots through which the nozzle plates are adjustably mounted on the base body and / or the electrode by means of screws.
- Such a sandwich and possibly multi-part arrangement offer a variety of adjustment, regarding the outlet characteristics and electrical contacting of the treatment liquid, at the same time reliable and low-maintenance construction of the surge nozzle.
- the splash nozzle is rotatably supported about its longitudinal axis, whereby the angle of attack of the treatment liquid is adjustable to the metal strip. This represents a further degree of freedom for optimizing the treatment effect, the energy consumption, etc.
- the electrode sections preferably each have a connection section, via which they are each electrically contacted. If the electrode sections are approximately punched out of a metal sheet, the connection sections can be formed, for example, by bending over a sheet metal section.
- the paired electrode sections according to this embodiment each have one, i. a total of two, connecting section on. In this case, the positions of the two connection sections are preferably selected such that a treatment result that is as homogeneous as possible is achieved. This is achieved in particular when the two connection sections are arranged on opposite sides of the electrode sections, viewed along the longitudinal extent of the wave nozzle. In this case, a compensation of any electrical interference and influencing variables takes place.
- the method according to the invention also serves for the electrolytic treatment, preferably cleaning, of a metal strip which is transported along a transport direction through the treatment section.
- the method comprises: contacting an electrolytic treatment liquid with an electrode of a swirl nozzle having the electrode and a surge port with an AC voltage applied between the electrode and the metal strip; Discharging the treatment liquid from the surge port; and applying the treatment liquid in the treatment section to at least one surface of the metal strip.
- the devices and methods set forth above are particularly preferably applicable to stripline electrolytic cleaning lines, they may also be used to otherwise treat metal strips, provided that electrolytic wetting of strip surfaces is involved.
- the devices and methods set forth above provide an improved technique for substituting dip pole plates and / or high pressure electrolytic cleaning nozzles. Conventional systems can thus be retrofitted particularly cost-effectively and in a structurally simple manner.
- the FIG. 1 shows a device 1, which is designed here specifically for cleaning a metal strip B.
- the device 1 has a plurality of rollers 2, via which the metal strip B is transported in a zigzag manner along a transport direction T.
- the device 1 has two surge nozzles 10, between which the metal strip B passes and which are facing each other in a manner (described in detail below) that the two surfaces of the metal strip B are acted upon by an aqueous electrolyte.
- the metal strip B passes through the intermediate space between the two flow nozzles 10 preferably vertically, in descending transport direction. Alternatively or additionally, using further splash nozzles, the metal strip B can pass this also in ascending transport direction.
- the device 1 For electrolytic cleaning, an AC voltage is applied between the metal strip B and the electrodes (described in detail below) of the surge nozzles 10.
- the device 1 has a power supply 3, which is set up to provide and apply the alternating voltage.
- the power supply is to the electrodes of the surge nozzles 10 and the metal strip B, for example via a conductive roller 2, electrically connected.
- the electrolyte which is a cleaning liquid or cleaning solution, is, for example, an alkaline solution.
- FIG. 1 shown form of transport is not absolutely necessary, in particular can be dispensed with a repeated deflection of the metal strip B on rollers 2, since the improved cleaning principle does not require several paired Tauchpolplatten, which in the FIG. 1 denoted by the reference P are.
- immersion pole plates P are immersed in an electrolytic bath to achieve an electrolytic cleaning effect when voltage is applied between dip pole plates P and metal strip B.
- the partial presentation of this conventional principle in the FIG. 1 serves to show the retrofittability of a conventional system.
- the conventional transport path of the metal strip B can be maintained.
- the conventional Tauchpolplatten P must and / or other components of the conventional system are not necessarily dismantled, which can save conversion costs.
- the Tauchpolplatten P are disabled, as is dispensed with an electrolyte bath, since the cleaning is carried out solely by the surge nozzles 10.
- FIG. 2 shows in perspective such a nozzle 10 and its suspension or storage.
- the splash nozzle 10 has an elongated, for example, cuboid, base body 20.
- the base body 20 has one or more channels in the interior, through which an electrolyte, supplied via tubes 11, flows and is distributed along the longitudinal extent of the wave nozzle 10.
- the base body 20 is hollow, as it is from the FIGS. 4 and 5 evident.
- the main body 20 has one or more outlet openings 21 (see. FIG. 4 ), through which the electrolyte can escape laterally from the main body 20.
- the main body 20 is made of a non-conductive material, preferably plastic.
- the baffle 10 further includes a surge port 30, which is preferably a slot.
- the surge opening 30 can be formed by two nozzle plates 31 each having an elongated nozzle lip 32 facing each other, as in FIG FIG. 2 shown.
- the nozzle plates 31 are attached to the base body 20 in such a way that the electrolyte emerging via the outlet opening 21 is discharged through the surge opening 30 to the outside.
- the two nozzle plates 31 are preferably designed to be adjustable, for example, by slotted holes 33 and corresponding screws 34 (see. FIG. 5 ) are connected to the base body 20 and are displaced so that the distance between the two die lips 32, thus the slot width, is adjustable.
- the nozzle plates 31 are made of a non-conductive material, preferably plastic. Due to their shape, the die lips 32 decisively determine the shape or nature of the electrolyte surge emerging through the nozzle opening 30.
- the nozzle plates 31 are provided with their nozzle lips 32 preferably replaceable.
- an electrode 40 is provided, which in the present example has two electrode sections 40a and 40b.
- the position of the electrode sections 40a, 40b is particularly clear from the FIG. 5 and is described in detail below. It should first be pointed out that the liquid electrolyte comes into contact with the electrode sections 40a, 40b before it leaves the surge opening 30. Between the electrode sections 40a, 40b and the metal strip B, an alternating voltage is applied for the electrolytic cleaning, which results in an ion current in the electrolyte, whereby the electrolytic cleaning effect on the surfaces of the metal strip B is achieved.
- FIG. 2 shows next to the nozzle 10 an exemplary suspension or storage of the same.
- the FIG. 3 shows an enlarged section of the storage device 50, wherein two surge nozzles 10 are arranged with their surge openings 30 facing each other.
- the surge nozzles 10 are here rotatably or adjustably mounted about their longitudinal axes by the tubes 11 are held, for example, each of a releasable clamp 51.
- the storage can be realized in other ways.
- the adjustability of the surge nozzle 10 or parts thereof along one or more degrees of freedom can be automatically realized by means of actuators (such as electric, magnetic, hydraulic, pneumatic, etc.). This also applies, for example, to the adjustability of the nozzle plates 31.
- the storage device 50 may have a screw-flange plate (without reference numeral), whereby the spill nozzle 10 in a simple manner from Cleaning tank can be decoupled. In this way, the splash nozzle 10 can be removed laterally from the cleaning tank without disassembly of further tank internals for maintenance and repair work.
- Conventional Taupolplatten P can be removed only over the headspace of the cleaning tank and thus require a time-consuming disassembly of the existing tank installations in the headspace.
- FIGS. 4 and 5 are three-dimensional sectional views of an exemplary nozzle 10, wherein the section is made perpendicular to the longitudinal axis. In the FIG. 5 the components are shown partially exploded.
- the sandwich-like arrangement of the electrode portions 40a, 40b which are provided between the base body 20 and the nozzle plates 31.
- the electrode sections 40a, 40b extend substantially over the entire length of the main body 20 and are located on the side of the outlet opening 21.
- the electrode sections 40a, 40b likewise form an outlet opening 41, through which the electrolyte is discharged to the surge opening 30 and then to the outside ,
- the electrode sections 40a, 40b each have a longitudinal edge 42a, 42b which run parallel and form the outlet opening 41 as a slot.
- the electrode sections 40a, 40b may also be formed in other ways, for example as a one-piece electrode.
- the electrode sections 40a, 40b overlap the outlet opening 21 of the main body 20 in such a way that the electrolyte comes into contact with the latter at the outlet.
- the longitudinal edges 42a, 42b project beyond the corresponding longitudinal edges 21a, 21b of the outlet opening 21.
- the slit-like outlet opening 21 of the main body 20 is narrower than the slit-like outlet opening 41, which is formed by the two electrode sections 40a, 40b.
- the overlap distance d which denotes the distance between the longitudinal edge 42a of the electrode section 40a and the associated longitudinal edge 21a of the outlet opening 21 (analogous to longitudinal edges 42b and 21b) in the plane of the electrode 40, for example in the range of 10 to 30 mm, especially approximately at 20 mm.
- the slit-like surge opening 30 coincides with the outlet opening 41 or is narrower than this.
- the distance s between the die lips 32 is in the range of 2 to 6 mm, whereby an electrolyte surge of relatively low pressure can be achieved.
- the main body 20 may be, for example, a length of about 1,200 mm.
- the nozzle lips 32 can be shaped differently, as can be seen from the figure detail 5 (l).
- the electrode sections 40a, 40b can each be punched out of a sheet metal and each have a connection section 43a and 43b, via which the electrode sections 40a, 40b are electrically contacted.
- the terminal portion 43a, 43b may be formed, for example, by bending a sheet portion of the electrode portions 40a, 40b and having an opening for a screw connection.
- connection sections 43a, 43b are preferably selected such that a treatment result that is as homogeneous as possible is achieved. This is achieved in the present exemplary embodiment in that the two connection sections 43a, 43b are arranged on opposite sides of the electrode sections 40a, 40b, along the longitudinal extension of the flow nozzle 10. In this case, a compensation of any electrical interference and influencing variables takes place.
- the position and nature of the electrode sections 40a, 40b relative to the main body 20 is particularly clear from the three-dimensional representation of FIG. 6 in which the nozzle plates 31 are omitted.
- the splash nozzle 10, in particular its surge opening 30, is such that the electrolyte can be applied at a low pressure compared to conventional high-pressure nozzles.
- the electrolyte is brought into contact with the metal strip B as a surge.
- the electrolyte has a pressure of less than 100 mbar.
- an AC voltage is applied between the electrode portions 40a, 40b and the metal strip B, whereby not only a uniform cleaning of both sides of the metal strip B but also the electrolytic cleaning effect is achieved with a comparatively low power consumption.
- the two-sided cleaning is preferably carried out simultaneously and at the same "location", i. There is no local and no temporal offset of the cleaning activities of the two sides of the band. This contributes to a homogeneous cleaning result.
- the swirl nozzles 10 set forth here are particularly preferred for use in electrolytic cleaning lines for conveyor systems. They form an improved technique for the substitution of Tauchpolplatten P and / or electrolytic high pressure cleaning nozzles.
- cleaning is meant in particular the removal of surface deposits such as metal particles (Fe / Al-fines), oil and grease contamination, corrosion protection oils, lubricating oils and / or friction-reducing thermoforming aids.
- the surge-like ejection of the electrolyte that is, the application of the electrolyte with a low pressure compared to conventional high-pressure nozzles
- high current densities can be achieved on the metal strip B to be treated.
- the current at the electrode sections 40a, 40b is about 800 A with an applied voltage of about 20 V.
- the cleaning solution acts on a comparatively thin boundary layer in the transition between the cleaning solution and the strip surface, whereby the electrical current losses can be reduced.
- the specific energy consumption can be reduced.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018201015 | 2018-01-23 | ||
DE102018215809.6A DE102018215809A1 (de) | 2018-01-23 | 2018-09-18 | Vorrichtung und Verfahren zur elektrolytischen Behandlung eines Metallbandes |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3514263A2 true EP3514263A2 (fr) | 2019-07-24 |
EP3514263A3 EP3514263A3 (fr) | 2019-10-16 |
EP3514263B1 EP3514263B1 (fr) | 2022-11-09 |
Family
ID=65199323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19152914.8A Active EP3514263B1 (fr) | 2018-01-23 | 2019-01-21 | Dispositif et procédé de traitement électrolytique d'une bande métallique |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3514263B1 (fr) |
ES (1) | ES2937690T3 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3108615A1 (de) | 1980-03-07 | 1982-01-14 | Nippon Steel Corp., Tokyo | Vorrichtung zum elektrolytischen behandeln eines metallbandes |
EP0870854B1 (fr) | 1997-04-10 | 2002-01-16 | Hotani Co., Ltd. | Procédé et dispositif pour le nettoyage de bandes en métal |
DE10212436A1 (de) | 2002-03-21 | 2003-10-09 | Sms Demag Ag | Vorrichtung zur Behandlung von strangförmigem metallischen Gut |
DE10210538B4 (de) | 2002-03-05 | 2004-11-18 | Atotech Deutschland Gmbh | Horizontal-Durchlaufanlage und Verfahren zum galvanotechnischen Behandeln von Behandlungsgut |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05195300A (ja) * | 1992-01-23 | 1993-08-03 | Fuji Photo Film Co Ltd | 電解処理装置 |
JP3705527B2 (ja) * | 1998-04-02 | 2005-10-12 | 富士写真フイルム株式会社 | 平版印刷版用支持体の電解処理装置 |
DE19844832A1 (de) * | 1998-09-30 | 2000-04-13 | Kai Greising | Verfahren und Vorrichtung zum Reinigen von Metalloberflächen |
JP2004268517A (ja) * | 2003-03-11 | 2004-09-30 | Fuji Photo Film Co Ltd | 平版印刷版支持体の製造方法 |
JP2011246790A (ja) * | 2010-05-28 | 2011-12-08 | Nippon Steel Corp | 金属帯の連続電解エッチング方法及び連続電解エッチング装置 |
-
2019
- 2019-01-21 ES ES19152914T patent/ES2937690T3/es active Active
- 2019-01-21 EP EP19152914.8A patent/EP3514263B1/fr active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3108615A1 (de) | 1980-03-07 | 1982-01-14 | Nippon Steel Corp., Tokyo | Vorrichtung zum elektrolytischen behandeln eines metallbandes |
EP0870854B1 (fr) | 1997-04-10 | 2002-01-16 | Hotani Co., Ltd. | Procédé et dispositif pour le nettoyage de bandes en métal |
DE10210538B4 (de) | 2002-03-05 | 2004-11-18 | Atotech Deutschland Gmbh | Horizontal-Durchlaufanlage und Verfahren zum galvanotechnischen Behandeln von Behandlungsgut |
DE10212436A1 (de) | 2002-03-21 | 2003-10-09 | Sms Demag Ag | Vorrichtung zur Behandlung von strangförmigem metallischen Gut |
Also Published As
Publication number | Publication date |
---|---|
ES2937690T3 (es) | 2023-03-30 |
EP3514263B1 (fr) | 2022-11-09 |
EP3514263A3 (fr) | 2019-10-16 |
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