EP1022361B1 - Vorrichtung zur Reinigung von Metallen nach deren Bearbeitung mit hohen Temperaturen - Google Patents

Vorrichtung zur Reinigung von Metallen nach deren Bearbeitung mit hohen Temperaturen Download PDF

Info

Publication number
EP1022361B1
EP1022361B1 EP99125871A EP99125871A EP1022361B1 EP 1022361 B1 EP1022361 B1 EP 1022361B1 EP 99125871 A EP99125871 A EP 99125871A EP 99125871 A EP99125871 A EP 99125871A EP 1022361 B1 EP1022361 B1 EP 1022361B1
Authority
EP
European Patent Office
Prior art keywords
previous
beak
layer
electrode
insulating material
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
EP99125871A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1022361A3 (de
EP1022361A2 (de
Inventor
Stefano Muratori
Michele Lapelosa
Alessandro Alboni
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.)
EDK Research AG
Original Assignee
EDK Research AG
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
Priority claimed from IT95MO000156A external-priority patent/ITMO950156A1/it
Application filed by EDK Research AG filed Critical EDK Research AG
Publication of EP1022361A2 publication Critical patent/EP1022361A2/de
Publication of EP1022361A3 publication Critical patent/EP1022361A3/de
Application granted granted Critical
Publication of EP1022361B1 publication Critical patent/EP1022361B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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 a device for the purification of metals after their processing at high temperatures, i. a device that eliminates the oxidation, staining or other phenomena that can cause high temperature processing such as welding and laser or plasma cutting of metals on the surface thereof.
  • the current state of the art knows a device which consists of a plug of glass fiber fabric, which is wrapped around the end of a beak-shaped electrode. This plug is soaked in an acidic solution based on phosphoric acid (81% by weight) and quinoline (0.01% by weight) and water, and then placed near the surface to be worked.
  • a current source with alternating current and low voltage is present, one conductor of which is connected to the mass of the workpiece and the other conductor to the metal body of the plug holder. This results in the solution of the conditions of an electrolytic cell, which removes the oxide or stains in a short time.
  • the acidic solution has a very high density, which is also required so that, when applied to vertical surfaces to be treated or to underside surfaces, it does not drip onto the operator or run down the wall.
  • the current state of the art also knows devices for the purification of metals with dilute acidic solutions - based on citric acid - which is continuously fed to the plug by means of an electric submersible pump installed in the acid tank.
  • This prior art can be improved in several ways in order to overcome the above drawbacks and to make the device safer and easier to use and to achieve a longer life of the graft.
  • the above technical problem is solved by the use of the following device: apparatus for cleaning metals with a plug of insulating material placed between the electrode and the metal to be cleaned, a low voltage alternating current source connected to the other electrode Metal, with an acidic solution impregnating the plug, the plug consisting of a tubular stocking or an insulating fabric band of thickness greater than 1 mm, characterized in that the material for insulating the electrode has been improved; the plug is made of polyetheretherketone fabric (tradename PEEK from Hoechst) and wrapped around the metal end of the beak-shaped electrode.
  • the above-mentioned polyetheretherketone fabric can also be used in the form of a felt.
  • the above-mentioned polyetheretherketone fabric can also be used in the form of a net, which is coated with a felt layer of any heat-resistant insulating material, which layer can be subsequently applied or provided directly in the production.
  • the above-mentioned fabric of polyetheretherketone may be coated with a felt layer, wherein this felt may consist of polyetheretherketone.
  • the said layer of felt is applied to the beak on the outside of the fabric layer of polyetheretherketone.
  • the above beak may consist of a metal body and a removable end of insulating material in the interior of which at least one metal body is located, which ends at the end surface of the beak and activates the electrolytic action.
  • the said interchangeable end of the beak metal material is coated on the side walls with insulating material, so that in the contact area with the beak body and the non-insulated end surface is given electrical continuity. This end face is provided with holes through which the acidic solution is passed.
  • the said insulating coating consists of a Teflon film with a thickness of 0.1 - 0.3 mm to protect against short circuits and from 0.6 to 1.2 mm for thermal insulation.
  • the material used for the beak ie both the body and the interchangeable metal end, can be selected from high-strength stainless steel.
  • the steel grade AISI 316 should preferably be used.
  • This invention offers the following advantages:
  • the supply of acid is done directly by the operator and as often as required; In this case, a very aggressive solution can be used, the loss of time for the impregnation of the prog is eliminated and no acid during transport from the container to the processing more can get lost.
  • the plug is better soaked with acid and thus heats up less or wears less due to thermomechanical stress.
  • the beak of the electrode can have a variety of shapes, which depend on the respective processing position; If the beak is cone-shaped, the sock can be changed more quickly.
  • the supply of the acidic solution inside the prion avoids that acid is spilled or gets to parts not to be cleaned.
  • Maximum life can be achieved by using a double layered plug having a fabric layer on the inside and a felt layer on the outside:
  • the inside fabric can be polyetheretherketone. With the polyetheretherketone fabric highest lifetime values can be achieved, as it has a very high resistance to heating and acids.
  • the outer felt layer of any suitable material maintains the solution at the cleaning site and allows for adaptation to the workpiece shape, thereby greatly increasing the life of the sock.
  • double polyetheretherketone layer ie both the fabric and the felt
  • maximum performance in terms of service life, work precision and quantity can be achieved.
  • the fact that the end of the beak is interchangeable makes it possible to make the beak of ordinary stainless steel, whereas the end can be made of special stainless steel, which is more expensive but less likely to wear. This results in an improvement of the efficiency of the cleaning process.
  • Figure 1 is an overall view of the acid feed and stocking apparatus of insulating fabric.
  • Figure 2 is an enlarged view of the sock-wrapped beak of the prick.
  • Figure 3 shows the hydraulic scheme of the pump sucking in the acidic solution.
  • Figure 4 is the hydraulic / pneumatic scheme of the pump, which injects the air into the acid tank, causing the acidic solution to be discharged.
  • Figure 5 shows the section through a billet with a frusto-conical metal insert and stocking of improved insulating material.
  • Figure 6 is the section VI-VI through the frusto-conical insert.
  • Figure 7 illustrates the inventive scheme of extracting the gases and vapors resulting from the heating of the acidic solution and their precipitation in the wet process.
  • Figure 8 is a partial outline of a gun with improved replaceable beak with plug-in connection adapted to the respective ones Working position allows.
  • Figure 9 shows the improved beak wrapped with the stocking of insulating material.
  • Figure 10 is a rear elevational view of the improved beak showing the internal conduits are.
  • Figure 11 is an outline view of the front of this beak.
  • Figures 12 and 13 show the views of two beaks that are designed for the treatment of hard to reach places.
  • Figure 14 is a view of a beak with a brush of insulating material to treat hard to reach areas.
  • Figure 15 is the outline of the electrode whose end according to the invention is made of insulating material.
  • Figure 16 is the enlarged section through a longitudinal plane of the beak of the electrode.
  • Figure 17 is the view of a beak with a brush of insulating material for the treatment of hard to reach places.
  • Figure 18 shows the section FF through the enlarged Figure 17 with limitation to two of the thread-like tubes.
  • Figure 19 is an outline view of a double layer of special material for wrapping the beak.
  • Figure 20 shows the end of the beak where the plug is wrapped in the double layer.
  • Figure 21 is an outline view of a replaceable end metal beak bolted to the body and covered with a thick insulating layer.
  • Figure 1 the electrical supply unit, consisting of a transformer 2 for converting mains voltage into low voltage, a selector switch / 3 for regulating the output voltage, two terminals 4 for the conductors 5 and 6, one of which a forceps 9 to the body 7 of the surface 8 to be treated and the other to the body 10 of the electrode, which ends with the beak 11, which in turn is surrounded by the stocking 12, which is held by the clamp 13 connected; with 14 a small tube for supplying the acidic solution in or outside of the Iso-liergriffs 15, wherein the acidic solution by means of a pump 16 is sucked from the tank 17 containing the acid solution 18 and isolated from the rest of the apparatus; with 19 the tank cap with ventilation; at 20, Figure 2, the piece of stocking of insulating material fabric with which the beak 11 and the end of the body 10 of the electrode are wrapped; with 21 of bent at the beak tip and held by the clamp 13 sock; 22, a pump which compresses the air in the tank 23 and generates pressure
  • the bore 59 direct
  • the plug consisting of a layer of insulating material 92, preferably formed of polyetheretherketone, and an insulating layer of felt 93; P being the width of the plug strip which is greater than the width of the beak for which the plug is intended; at 94, Figure 20, the end of the beak seen from the side around which the two sides of the graft of the previous figure are wrapped, with the fabric layer 92 inside and the felt layer 93 laid out on the outside; at 95 the bore through which the acidic solution is passed; with 96 an attachment ring made of insulating material, the plug 91st holding on said beak 94; 97 a metal beak with a replaceable metal end 98, which is fastened by screws 99 to this beak; 100, the insulating coating of the interchangeable end, which can also be made stronger; 101, the thinner coating on the body of said beak 97 for protection against short circuits; with 102 the metal surface on which the largest metal wear is given by the electrolytic cleaning action; with
  • an acidic solution with relatively low proportions of phosphoric acid (52.5 weight percent) and quinoline (0.01 weight percent) in water is used: due to the dilution of this acidic solution as opposed to the high density of those previously used Solution, smaller volumes of solution are required, which are passed directly inside the stocking plug 12 or 54 or the prong 34 of the hollow beak 28, thereby avoiding the dripping of solution onto surrounding surfaces and resulting in relatively few and easily washable surfaces after brushing, which represents a cost advantage.
  • This solution is then conveyed continuously, so that the plug 12, 34 or 54 is constantly soaked.
  • the electrolytic action of the acid solution flowing through the stream is always constant, since the operator does not have to interrupt the work to moisten the plug, but only the push button 25, 38 or 47 to supply the solution on the handle 37, 45 must operate ,
  • the hydraulic circuit shown in Figure 3 works with a pump 16, which can be both designed as a manual pump and can be operated directly by the operator, this direct operation both by means of a
  • the tanks 17 or 27 should be made of insulating material which, from the instant at which the acidic solution is introduced, passes through the electrode into the interior of the tank Tension stands, as the acid column in the pipe conducts the tension up to the tank.
  • the pneumatic-hydraulic circuit shown in Figure 4 also works with a manual pump 22 which pressurizes the tank 23, and the further the solution gets to the beak by opening the valve 25, the more the pressure in the tank drops, whereby a new pressure generation by means of said pump 22 is required.
  • the maintenance of the pressure can be done automatically by a non-pictured pressure switch, which detects the pressure inside the above-mentioned tank.
  • the tubular sock 12, 54 of insulating fabric is assembled by placing the first end 20, 56 on the beak 11, 52 until it completely envelopes it.
  • the sock has twice the length so that it can be turned over, with the other end 21, 57 coming to lie exactly on the first end.
  • the clamp 13, 58 is placed so that it fixes both ends simultaneously on the body of the beak 11, 48.
  • This beak must be snapped with its frusto-conical end 29 on the frusto-conical portion 27 of the end 26 of the electrode.
  • the replacement is analogous, by the said beak completely removed and another beak is mounted.
  • the hollow beak with frusto-conical snap closure may be formed in various shapes, as in the beaks in the figures 12 and 13 can be seen or with a brush as shown in Figure 14.
  • the beaked latches close tightly between the pilot hole 60 and the arcuate electrode 46 to prevent leakage of acidic solution so that it is completely directed to the supply bore 59.
  • the beak can be provided with the flattened over the flattened tubular stocking that a much lower thickness is achieved than the normal beak 48.
  • the beaks may be formed instead of a latching connection with a screw connection.
  • the beak 63 formed with a brush 64 having bristles of insulating material 65 is employed by being moved in the longitudinal or transverse direction to the angle application weld, the bristles stiffened with a top layer of Teflon or other similar material occupying the bottom of the cavity between the wall and reach the weld and clean it completely.
  • the gun with the slots 36 for evacuating the gases and vapors allows the operator to work completely safely.
  • the extracted air containing the gases and vapors is passed through the wet filter 41, which is designed according to the products used for cleaning metal surfaces by treatment with acid.
  • the end 72 does not conduct electrical current, but does so through the heads of the screws 74, which are installed so that they are parallel to the end surface S of that end.
  • the electricity is from these Threaded heads on the soaked in acid solution stocking, whereby the electrolytic cleaning action arises.
  • the end 72 is non-conductive, it does not heat up due to the electrolytic action that the stocking applies to the surface to be cleaned, and consequently the stocking is not sustainably damaged by burns.
  • the operation of the electrode with body 78 with a brush of tubes 79 of insulating material is obtained by passing electrical current in the acidic solution from said metal body 78 to the surface of the cavity to be cleaned, also reaching the innermost portions of this cavity.
  • the plug 91 reinforced with double-layer fabric 92,93, whose outer layer of felt 93 is improved, is put on by wrapping the beak end and fixing the plug with a fixing ring 96.
  • the plug does not necessarily have to have a perfect overlap, but the middle part of this plug must cover the active face 102 of the metallic end 98, since it is preferably made as a Teflon film with a thickness of 0.6 - 1.2 mm Insulating coating 100 avoids electrolytic action on the flanks of the end, whereas completely uncoated side 102 is completely exposed to the action.
  • the end can, even if this is less recommended, even with a thin layer of insulating material, such as a Teflon film coated with 0.1 - 0.3 mm thickness, which also protects it from damage and short circuits on the flanks, as is the case for the body of the beak 97 with the coating 101.
  • insulating material such as a Teflon film coated with 0.1 - 0.3 mm thickness
  • maximum life is achieved for the double-layer plug 91 when polyetheretherketone is used in the inner fabric layer 92 and a polyetheretherketone-based felt is used in the outer layer 93.
  • the double-layered tape can be made by subsequently joining the two layers or by applying one layer to the other directly during manufacture.
  • the worn plug can be easily replaced by removing the fixing ring 96 and replacing the ribbon at the end of the beak.
  • the ring 96 of insulating material can be used several times. After the provided with a thick or less thick insulating layer 100 metallic end 98 is worn and the cleaning function can not provide as desired, it is replaced by removing the screws 99.
  • the highest lifetime values for the metallic beak end are achieved by AISI 316 stainless steel; Although the costs are lower for all other stainless steels, the wear is greater. In the prior art, the technical problem of wear of the electrode was not due to the low power. With these devices, however, only very low efficiencies could be achieved.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Cleaning In General (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Inorganic Insulating Materials (AREA)
EP99125871A 1995-09-27 1996-08-27 Vorrichtung zur Reinigung von Metallen nach deren Bearbeitung mit hohen Temperaturen Expired - Lifetime EP1022361B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
IT000131 IT1279857B1 (it) 1995-09-27 1995-09-27 Dispositivo e procedimento di pulitura di metalli successivo a lavorazioni ad alta temperatura
ITMO950131 1995-09-27
IT95MO000156A ITMO950156A1 (it) 1995-11-10 1995-11-10 Estremita' in materiale isolante di elettrodi per pulizia elettrolitica
ITMO950156 1995-11-10
EP96930346A EP0852629B1 (de) 1995-09-27 1996-08-27 Vorrichtung zur reinigung von metallen nach deren bearbeitung mit hohen temperaturen

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP96930346A Division EP0852629B1 (de) 1995-09-27 1996-08-27 Vorrichtung zur reinigung von metallen nach deren bearbeitung mit hohen temperaturen

Publications (3)

Publication Number Publication Date
EP1022361A2 EP1022361A2 (de) 2000-07-26
EP1022361A3 EP1022361A3 (de) 2000-11-29
EP1022361B1 true EP1022361B1 (de) 2006-06-21

Family

ID=26331733

Family Applications (2)

Application Number Title Priority Date Filing Date
EP96930346A Expired - Lifetime EP0852629B1 (de) 1995-09-27 1996-08-27 Vorrichtung zur reinigung von metallen nach deren bearbeitung mit hohen temperaturen
EP99125871A Expired - Lifetime EP1022361B1 (de) 1995-09-27 1996-08-27 Vorrichtung zur Reinigung von Metallen nach deren Bearbeitung mit hohen Temperaturen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP96930346A Expired - Lifetime EP0852629B1 (de) 1995-09-27 1996-08-27 Vorrichtung zur reinigung von metallen nach deren bearbeitung mit hohen temperaturen

Country Status (11)

Country Link
US (1) US5964990A (it)
EP (2) EP0852629B1 (it)
JP (1) JP3160603B2 (it)
CN (1) CN1067121C (it)
AT (2) ATE197318T1 (it)
AU (1) AU6942996A (it)
CA (1) CA2232571C (it)
DE (2) DE59606100D1 (it)
ES (1) ES2153126T3 (it)
IT (1) IT1279857B1 (it)
WO (1) WO1997012081A1 (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT411693B (de) * 2002-07-01 2004-04-26 Fronius Int Gmbh Elektrochemisches verfahren zum reinigen von oberflächen metallischer werkstücke
IT1311147B1 (it) * 1999-11-04 2002-03-04 Edk Res Ag Macchina per pulizia localizzata con cella, elettrolitica e/o adultrasuoni, di decapaggio e/o lucidatura
NL1015106C2 (nl) * 2000-05-03 2001-11-06 Jos Klomp Metaalbewerking B V Werkwijze en samenstel voor het verwijderen van verkleuringen.
US20050230267A1 (en) * 2003-07-10 2005-10-20 Veatch Bradley D Electro-decontamination of contaminated surfaces
AU2003283798A1 (en) * 2003-10-21 2005-05-05 Edk Research Ag Electrode device with integrated electrolyte supply for the surface treatment of metals
US7138066B2 (en) * 2004-12-16 2006-11-21 Gm Global Technology Operations, Inc. Gear surface treatment procedure
CA2595807C (en) * 2005-02-04 2012-07-17 Edk Research Ag Device for the electrolytic surface working of metals
WO2009105802A1 (en) * 2008-02-25 2009-09-03 Metal Science Technologies Pty Ltd Improvements in electropolishing apparatus
US8662782B2 (en) * 2008-09-26 2014-03-04 Bissell Homecare, Inc. Surface cleaning device with a bleach generator
ITPG20090008A1 (it) * 2009-03-09 2010-09-10 Crimo Italia Srl Macchina per il decapaggio, la passivazione e la pulizia per via elettrolitica di superfici metalliche.
ITMO20110234A1 (it) * 2011-09-16 2013-03-17 Edk S R L Apparecchio portatile per trattamenti ad azione elettrolitica su superfici metalliche
JP2013082982A (ja) * 2011-10-12 2013-05-09 Ishikame Kogyo:Kk ステンレス加工物の表面の溶接焼けの除去に使用する組成物と、その方法
CN102605415A (zh) * 2012-03-02 2012-07-25 迅力光能（昆山）有限公司 书写式导电体表面电化学刻蚀方法及其装置
CN102628176A (zh) * 2012-04-21 2012-08-08 广东白云国际科学研究院有限公司 一种去除核污染电解液以及移动式阴极电化学清洗装置
JP5914265B2 (ja) * 2012-08-31 2016-05-11 株式会社タセト 電解液
CN103737131B (zh) * 2014-01-22 2017-01-18 西安工业大学 一种闭式整体构件流道的复合阴极
US10344394B1 (en) * 2014-12-05 2019-07-09 Jay Olson System and method of electrochemical cleaning of metal discoloration
EP3454694A4 (en) * 2016-05-11 2020-01-22 Ensitech IP Pty Ltd ELECTROLYTIC BRUSH ARRANGEMENT
CN107326431A (zh) * 2017-07-19 2017-11-07 江门市保值久机电有限公司 自动补充电解液的焊道清洁机
JP6761829B2 (ja) * 2018-03-19 2020-09-30 公益財団法人鉄道総合技術研究所 超電導ケーブル
US11926916B2 (en) * 2019-11-05 2024-03-12 Wisys Technology Foundation, Inc. Color controlled metal finishing pen
GB2601550A (en) * 2020-12-04 2022-06-08 Texture Jet Ltd A nozzle

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865697A (en) * 1973-05-25 1975-02-11 Robert Suggs Platinum plating process
US4206028A (en) * 1976-12-14 1980-06-03 Inoue-Japax Research Incorporated Electrochemical polishing system
FI802444A (fi) * 1980-08-05 1982-02-06 Outokumpu Oy Apparat foer elektrolytisk polering
US4495045A (en) * 1984-03-13 1985-01-22 Jackson Thomas R Electrolytic dental etching apparatus
US4609450A (en) * 1985-03-26 1986-09-02 Agency Of Industrial Science And Technology Combined electrolytic-abrasive polishing apparatus
DE8513410U1 (de) * 1985-05-07 1985-11-07 Laidemitt, Klaus-Dieter, 5090 Leverkusen Vorrichtung zum Entfernen der im Bereich von Schweißstellen entstehenden Verfärbungen bei Metallwerkstücken, insbesondere aus Edelstählen
JP2831713B2 (ja) * 1988-08-19 1998-12-02 マルイ鍍金工業株式会社 電解処理用筆具
US4882019A (en) * 1988-11-21 1989-11-21 Lewy Michael M Apparatus and method for polishing a plumbing or electrical fixture
US5401369A (en) * 1994-01-21 1995-03-28 Gershin; Mircea-Mike Electroplating pen

Also Published As

Publication number Publication date
CN1197487A (zh) 1998-10-28
ITMO950131A0 (it) 1995-09-27
WO1997012081A1 (de) 1997-04-03
CA2232571C (en) 2006-10-24
DE59606100D1 (de) 2000-12-07
US5964990A (en) 1999-10-12
ATE331056T1 (de) 2006-07-15
CA2232571A1 (en) 1997-04-03
EP1022361A3 (de) 2000-11-29
EP1022361A2 (de) 2000-07-26
JP3160603B2 (ja) 2001-04-25
CN1067121C (zh) 2001-06-13
DE59611360D1 (de) 2006-08-03
ES2153126T3 (es) 2001-02-16
JPH11511512A (ja) 1999-10-05
EP0852629B1 (de) 2000-11-02
ATE197318T1 (de) 2000-11-15
EP0852629A1 (de) 1998-07-15
IT1279857B1 (it) 1997-12-18
AU6942996A (en) 1997-04-17
ITMO950131A1 (it) 1997-03-27

Similar Documents

Publication Publication Date Title
EP1022361B1 (de) Vorrichtung zur Reinigung von Metallen nach deren Bearbeitung mit hohen Temperaturen
DE102006006052B4 (de) Hochfrequenz-Behandlungsgerät für ein Endoskop
DE10201569A1 (de) Chirurgisches Instrument
DE8603602U1 (de) Kontaktspitze für Schweißelektrode
DE1465023B2 (de) Werkzeug fuer die elektrolytische herstellung von einschnitten im werkstueck
DE3642077C2 (de) Vorrichtung, mit einem Generator und einer damit verbundenen Applikationssonde
EP1682023B1 (de) Vorrichtung zur koagulation von gewebe
EP4039213A1 (de) Elektrodeninstrument für ein resektoskop und resektoskop
EP3769707A1 (de) Elektrodenanordnung
DE3834224A1 (de) Lichtbogen-schweissbrenner zum schutzgas-lichtbogenschweissen an schwer zugaenglichen stellen
EP2868779B1 (de) Vorrichtung und Verfahren zum Reinigen und/oder Polieren von Werkstücken
DE1496961C3 (de) Vorrichtung zur kontinuierlichen anodischen Formgebung von Bandmaterial
DE1521090B2 (de) Vorrichtung zur elektrolytischen Herstellung oder Teilherstellung einer Schneidkante an einem Rasierklingenband
DE2502863C2 (de) Endoskop mit einer Operationseinrichtung
DE2813804A1 (de) Plasmabogen schweiss- und schneidgeraet
DE2529004A1 (de) Gegenstand mit einem glasteil, in den ein metallteil eingeschmolzen ist
DE3802638C2 (de) Elektrisch betriebener Handhaartrockner
DE10332564A1 (de) Chirurgische Sonde
EP3471642B1 (de) Chirurgisches instrument für die elektrotomie und werkzeug dafür
DE8513410U1 (de) Vorrichtung zum Entfernen der im Bereich von Schweißstellen entstehenden Verfärbungen bei Metallwerkstücken, insbesondere aus Edelstählen
DE7413792U (de) Operationsinstrument zum elektrischen Schneiden
DE19727450B4 (de) Plasmabrenner
DE202017105145U1 (de) Vorrichtung zur Reinigung metallischer Oberflächen und Reinigungsmaschine
DE874337C (de) Verfahren und Einrichtung zum UEberziehen von Kathodendraehten durch Elektrophorese
DE202023105314U1 (de) Vorrichtung zur Reinigung metallischer Oberflächen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20000114

AC Divisional application: reference to earlier application

Ref document number: 852629

Country of ref document: EP

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AKX Designation fees paid

Free format text: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

17Q First examination report despatched

Effective date: 20050401

GRAC Information related to communication of intention to grant a patent modified

Free format text: ORIGINAL CODE: EPIDOSCIGR1

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AC Divisional application: reference to earlier application

Ref document number: 0852629

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060621

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060621

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060621

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060621

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 59611360

Country of ref document: DE

Date of ref document: 20060803

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060831

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060921

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060921

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20061002

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20061121

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20060621

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

EN Fr: translation not filed
26N No opposition filed

Effective date: 20070322

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060827

BERE Be: lapsed

Owner name: EDK RESEARCH A.G.

Effective date: 20060831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060922

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070309

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060621

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060827

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20060621

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20080827

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20080930

Year of fee payment: 13

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100302

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090827