EP0627022B1 - Dispositif pour l'enduction par electrolyse de petites pieces - Google Patents

Dispositif pour l'enduction par electrolyse de petites pieces Download PDF

Info

Publication number
EP0627022B1
EP0627022B1 EP93903167A EP93903167A EP0627022B1 EP 0627022 B1 EP0627022 B1 EP 0627022B1 EP 93903167 A EP93903167 A EP 93903167A EP 93903167 A EP93903167 A EP 93903167A EP 0627022 B1 EP0627022 B1 EP 0627022B1
Authority
EP
European Patent Office
Prior art keywords
pipe
tube
conveyor
region
basin
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
EP93903167A
Other languages
German (de)
English (en)
Other versions
EP0627022A1 (fr
Inventor
Hans Belz
Burkard Flamme
Werner Schauf
Hans Günter ENGELS
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 Doerken AG
Original Assignee
Ewald Doerken 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
Application filed by Ewald Doerken AG filed Critical Ewald Doerken AG
Publication of EP0627022A1 publication Critical patent/EP0627022A1/fr
Application granted granted Critical
Publication of EP0627022B1 publication Critical patent/EP0627022B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/22—Servicing or operating apparatus or multistep processes

Definitions

  • the invention relates to a device for the electrolytic coating of small parts with electrical conductivity, in particular metal parts, the device comprising a bath of electrically conductive liquid coating agent, the bath with one pole of a direct current source (cathode or anode) is in electrically conductive connection, while the Good to be coated is in electrically conductive connection with the other pole (anode or cathode) of the direct current source and the device consists of a screw conveyor with loading and unloading openings at its ends and with screw conveyors in the inside of the conveyor tube, which has electrically conductive contacts on the inside of its conveyor tube are connected to one pole of the direct current source, and the screw conveyor is inserted with a part of its cross section into a plunge pool which is connected to the other pole.
  • a direct current source cathode or anode
  • the Good to be coated is in electrically conductive connection with the other pole (anode or cathode) of the direct current source
  • the device consists of a screw conveyor with loading and unload
  • the so-called electrocoating is carried out with known devices, the coating agent being deposited cathodically or anodically on small metallic parts.
  • a device which consists of a closed drum into which the small metallic parts are filled.
  • the coating agent is introduced into the drum, the drum being electrically conductive in the interior and being connected to one pole of a power source, while the coating agent is connected to the other pole of a power source.
  • the small metal parts assume the potential of the drum, so that the coating agent is deposited on the small parts with the opposite electrical potential.
  • the operation for coating such small parts is very complex, since the drum must first be filled with small parts and then the coated or electrocoated small parts must be removed from the drum again. In the prior art, only a discontinuous mode of operation is possible, so that the number of lacquered small parts applied per unit of time is narrowly limited.
  • a device for electrolytic coating according to the preamble of claim 1 is known from EP-A-0141 406 and in particular from US-A-19 12 400.
  • the invention has for its object to provide a device of the generic type, which enables a high throughput of small metallic parts for the purpose of dip painting with little effort.
  • the plunge pool be arranged below the front end of the tube in the conveying direction and extend from an area located at a distance in front of the small-parts feed opening to a portion, in particular approximately half, of the length of the tube, wherein the front edge and the side edges of the plunge pool form the coating agent weir edge, which is formed in the conveying direction of the weir rear edge by a region of the conveyor screw, the smallest distance from the deepest point of the tube is at least equal to the weir line in line, preferably protrudes beyond this line of alignment, which protrudes in the conveying direction the edge of the immersion basin lying at the back lies sealingly against the outer wall of the pipe in the area of the screw conveyor forming the rear weir edge, the pipe having a coating agent outlet in the area following in the conveying direction.
  • This design makes it possible to paint small metallic parts in a continuous, continuous process by means of electro-dipping, a high material throughput being possible with low personnel expenditure.
  • the small parts can be fed to the screw conveyor with a conventional conveyor.
  • the finished coated small parts can also be removed by means of a conveyor device arranged downstream of the screw conveyor.
  • Such screw conveyors are known per se in the prior art, a belt screw in the form of a helically wound belt being rotatably mounted in a stationary tube, by means of which the throughput of small parts is made possible.
  • the screw conveyor is designed as a conveying tube, the circumferential tube of which is the small-part support member and has a band screw attached to the inner circumference as a pushing member, the open ends of the conveying tube forming the small-part feed and the small-part discharge opening.
  • Such screw conveyors are also known per se in the prior art.
  • the advantage of this screw conveyor is that no internal bearings are provided and also due to the fixed arrangement of the belt screw on the rotating tube, there is no jamming or clogging of the material to be conveyed. It is also advantageous that the delivery and delivery of the material to be conveyed can take place at the pipe ends.
  • suitable conveying means for feeding and discharging can be arranged upstream or downstream of the conveying pipe.
  • the height of the belt screw in the area from the small part feed opening to the area forming the rear weir edge is lower than the level height in the tube determined by the weir.
  • the tube is perforated at least in the circumferential area immediately following in the conveying direction of the rear edge of the immersion basin, preferably also in the coating zone located in front of it in the conveying direction.
  • the perforation of the tube in the circumferential area immediately following in the conveying direction of the rear edge of the plunge pool ensures that the coating agent can flow off and drip off there, so that the coated small parts can be discharged at the discharge end of the tube without excess coating agent.
  • the perforation of the tube in this area is also beneficial and advantageous.
  • a collecting basin is arranged below the immersion basin and below the perforated area of the tube.
  • Excess coating agent which emerges at the perforation zone of the tube following the coating zone can be collected by this collecting basin, as can coating agent, which runs over the front and side weir edge of the plunge pool.
  • the device comprises a coating agent feed pump, the inlet of which is connected to the collecting basin and the outlet of which leads into the immersion basin or, preferably, to a spray device which is inserted into the front pipe mouth and is aimed at the coating zone of the pipe.
  • the collecting basin preferably has a shape which leads to a collection of the coating agent at a low point, at which point the coating agent can also be drawn off by means of the coating agent feed pump.
  • the coating agent can then be reintroduced into the coating zone or into the immersion tank by the pump in order to use it for further coating.
  • the tube is made of plastic or other electrical, non-conductive material, in which area from the mouth to the end of the coating zone is interspersed with button-like contact pins which protrude from the tube wall on the inside of the tube and in the circumferential direction on the outside of the tube and / or are connected to one another in the axial direction by externally electrically insulated contact rails, the Contact rails are guided to a circumferential busbar attached to the outside of the pipe near the pipe end, which is connected to a pole of the power source via sliding or rolling contacts.
  • This arrangement creates an extremely functional device, the contact pins protruding from the tube wall like a mushroom head being continuously cleaned by means of the continuously supplied small parts to be coated, so that a good contact transition between these contact pins and the small parts is made possible.
  • a further preferred embodiment is seen in the fact that the device is held in a frame which also holds bearing rollers for the tube and a drive motor for the tube, the drive motor being coupled to a drive pinion which engages with a ring gear attached to the outside of the tube stands.
  • the other pole of the current source is connected to a contact plate which forms the second electrode and which is arranged below the tube in the plunge pool.
  • the device for electrolytic coating (electrodeposition) of small parts with electrical conductivity, in particular metal parts consists of a screw conveyor, generally designated 1, which has on the inside of its conveyor tube 2 electrically conductive contacts 3, which are connected to one pole of the DC power source, not shown in the drawing are.
  • the screw conveyor 1 dips with a part of its cross-section into a plunge pool 4, which is connected to the other pole.
  • the level 5 of the immersion basin cuts the cross section of the tube 2 in a secant manner in its lower region.
  • the screw conveyor is designed as a conveying tube 2, the circumferential tube 2 of which is the small-part support member, and has a belt screw 6 attached to the inner circumference as a pushing member for the small parts.
  • the open ends of the conveyor tube 2 form the small-part feed opening (on the left in the figure 1) and the small-part discharge opening (on the right in the figure 1).
  • the plunge pool 4 is arranged below the front end of the tube 2 in the conveying direction and extends from an area located at a distance in front of the small parts feed opening to approximately over half the length of the tube 2.
  • the front edge 7 and the side edge 8 of the dip pool form 4 a weir edge for the coating agent.
  • the weir edge at the rear in the conveying direction is formed by an area of the belt screw, the smallest distance from the deepest point of the tube (in the drawing figures 1 and 2 below) can be equal to the line of alignment of the weir edge, but preferably, as shown in the exemplary embodiment, via this line of alignment, which is indicated by the fill level 5, protrudes.
  • the edge 10 of the immersion basin 4 lying at the rear in the conveying direction lies in a sealed manner (area 11) on the outer wall of the tube 2, specifically in the area of the screw belt (9) forming the rear weir edge.
  • the pipe 2 has a coating agent drain 12 in the area following this area in the conveying direction.
  • the height of the belt screw 6 is in the range from the small part feed opening (left in the drawing FIG. 1) to the area (9) forming the rear weir edge is lower than the level height 5 in the tube 2 determined by the weir.
  • the tube 2 is perforated at least in the peripheral region immediately following in the conveying direction of the rear edge 10 of the immersion basin 4, but preferably also in the coating zone located in front of it in the conveying direction. The perforation is indicated at 13.
  • a collecting basin 14 is arranged below the immersion basin 4 and below the perforated area 13 of the tube 2.
  • the device has a coating agent feed pump 15, the input of which is connected via a line 16 to an outlet opening located at the deepest point of the drain basin 14, while the outlet of which is connected via a connecting line 17 to a spray device 18 which leads into the front opening of the tube 2 is used and aims in the coating zone of the tube 2.
  • the tube 2 is preferably made of plastic. In the area located from the mouth to the end of the coating zone, the tube 2 is penetrated by button-like contact pins 3, which protrude from the tube wall on the inside of the tube like a mushroom head and are connected to one another in the circumferential direction and / or in the axial direction on the outside of the tube by contact rails 19 which are electrically insulated from the outside.
  • the contact rails 19 are guided to a circumferential busbar 20 which is fastened to the outside of the casing near the pipe end and which is guided by grinding or Roller contacts 21 are connected to a pole of the power source.
  • This pole can form the cathode, for example, so that the contact pins 3 have corresponding potential.
  • the other pole of the power source is connected to a contact plate 22 which forms the second electrode (in the example, the anode) and which is arranged below the tube 2 in the immersion pool 4 and thus brings the coating agent to the appropriate potential.
  • the perforation 13 is formed in the region of the entire coating zone ensures that the coating agent is well flooded.
  • a uniform current flow to the parts to be coated is achieved, and in addition a short path is formed for the current flow from the contact plate 22 through the perforation 13 to the workpieces to be coated, as regards the electrical power to be applied is advantageous.
  • This arrangement results in a uniform workpiece coating with a relatively low output.
  • the entire device is held in a frame 23 and placed on the floor 24.
  • the frame comprises bearing rollers 25 for the tube 2 and a drive motor 26 for the rotary drive of the tube 2, the drive motor 26 being coupled to a drive pinion 27 which is in engagement with a ring gear 28 fastened to the outside of the tube 2.
  • electrolytic coating that is first Plunge pool 4 filled so that the fill level 5 is set. Subsequently, small parts can then be filled into the tube 2 through the filling opening, which small parts are then conveyed through the tube 2 due to the belt screw 6. In doing so, they inevitably pass through the zone provided with the coating agent, whereby they are brought to the corresponding electrical potential by contacting the contacts 3, while the coating agent has the opposite potential.
  • the coating takes place at a relatively high voltage and low current, for example at 50 amperes and 220 to 250 volts.
  • the coating time is about 4 seconds.
  • the coated small parts then pass through the zone of the tube which follows the higher belt area 9 and in which excess coating agent can run through the perforation 13 of the tube 2 and can collect in the collecting container 14.
  • the small parts are then delivered to the delivery opening of the tube, for example placed on a downstream conveyor.
  • the device according to the invention is extremely compact and very functional, a high throughput of parts to be coated being possible with a short dwell time and with the help of a small number of operating personnel.
  • the diameter of the tube is 1 meter.

Claims (10)

  1. Dispositif pour revêtir par voie électrolytique des petites pièces conductrices de l'électricité, et en particulier des pièces métalliques, dans lequel le dispositif comprend un bain d'un agent de revêtement liquide conducteur de l'électricité, le bain est en liaison conductrice de l'électricité avec l'un des pôles d'une source de courant continu (cathode ou anode), tandis que le produit à revêtir est en liaison conductrice de l'électricité avec l'autre pôle (anode ou cathode) de la source de courant continu, et le dispositif est constitué par un convoyeur à vis sans fin (1) qui est pourvu d'ouvertures de chargement et de déchargement aux extrémités de son tube transporteur, ainsi que de vis sans fin transporteuses à l'intérieur de son tube transporteur, et qui présente à l'intérieur de son tube transporteur (2) des contacts conducteurs de l'électricité (3), ceux-ci étant reliés à l'un des pôles de la source de courant continu et le convoyeur à vis sans fin (1) étant introduit par une partie de sa section transversale dans un bassin d'immersion qui est relié à l'autre pôle, caractérisé par le fait que le bassin d'immersion (4) est disposé au-dessous de l'extrémité du tube (2) qui est à l'avant dans la direction du transport et qu'il s'étend depuis une région qui se trouve à distance de l'ouverture d'amenée des petites pièces jusque sur une partie de la longueur du tube (2), et en particulier jusqu'à sa moitié environ, cependant que le bord antérieur (7) et les bords latéraux (8) du bassin d'immersion (4) constituent le bord qui fait barrage à l'agent de revêtement, que le bord formant barrage qui est à l'arrière dans la direction du transport est constitué par une région (9) de la bande hélicoïdale (6) dont la plus faible distance par rapport à l'endroit le plus profond du tube (2) est au moins égale à celle de l'alignement (5) des bords formant barrages et qu'elle fait de préférence saillie au-delà de cet alignement (5), que le bord (10) du bassin d'immersion (4) qui est situé à l'arrière dans la direction du transport porte d'une manière étanche sur la paroi extérieure du tube dans la région de la bande hélicoïdale qui constitue le bord formant barrage à l'arrière, et que le tube (2) présente une évacuation de l'agent de revêtement (12) dans la zone qui suit cette région dans la direction du transport.
  2. Dispositif selon la revendication 1, caractérisé par le fait que le convoyeur à vis sans fin (1) est réalisé sous la forme d'une bande hélicoïdale.
  3. Dispositif selon la revendication 1, caractérisé par le fait que le convoyeur à vis sans fin (1) est réalisé sous la forme d'un tube transporteur (2) dont le tube tournant (2) constitue l'organe porteur destiné aux petites pièces et présente comme organe de poussée une bande hélicoïdale (6) qui est fixée sur le pourtour intérieur, les extrémités ouvertes du tube transporteur (2) constituant l'ouverture d'amenée des petites pièces et l'ouverture d'évacuation des petites pièces.
  4. Dispositif selon la revendication 1 ou 3, caractérisé par le fait que la hauteur de la bande hélicoïdale (6) dans la région comprise entre l'ouverture d'amenée des petites pièces et la région (9) qui constitue le bord formant barrage à l'arrière est inférieure au niveau (5) dans le tube qui est déterminé par le bord formant barrage.
  5. Dispositif selon la revendication 1, 3 ou 4, caractérisé par le fait que le tube (2) est perforé (en 13), du moins dans la région périphérique qui suit immédiatement le bord arrière du bassin d'immersion (4) dans la direction du transport, et de préférence aussi dans la zone de revêtement qui se trouve devant celle-ci dans la direction du transport.
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé par le fait qu'un bassin collecteur (14) est disposé au-dessous du bassin d'immersion (4) et au-dessous de la région perforée (13) du tube (2).
  7. Dispositif selon la revendication 6, caractérisé par le fait que le dispositif comprend une pompe de déplacement de l'agent de revêtement (15) dont l'entrée est reliée au bassin collecteur (14) et dont la sortie amène dans le bassin d'immersion (4) ou, de préférence, à un dispositif de pulvérisation (18) qui est introduit dans l'embouchure avant du tube et qui arrive dans la zone de revêtement du tube (2).
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé par le fait que le tube (2) est constitué par de la matière plastique ou par une autre matière non conductrice de l'électricité et que, dans la région située entre l'embouchure et l'extrémité de la zone de revêtement, il est traversé par des tiges de contact (3) en forme de boutons qui, du côté de l'intérieur du tube, font saillie à la manière de têtes de champignons hors de la paroi du tube et qui, du côté de l'extérieur du tube, sont reliées entre elles dans la direction de la périphérie et/ou dans la direction axiale par des rails de contact (19) isolés électriquement vers l'extérieur, cependant que les rails de contact (19) sont amenés à un rail de courant tournant (20) qui est fixé extérieurement au voisinage de l'extrémité du tube sur l'enveloppe de celui-ci et qui est relié à un pôle de la source de courant par l'intermédiaire de contacts glissants ou roulants (21).
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé par le fait que le dispositif est maintenu dans un bâti (23), celui-ci maintenant en outre des galets formant paliers (25) qui sont destinés au tube (2), cependant que le moteur d'entraînement (26) est accouplé à un pignon d'entraînement (27) qui est en prise avec une couronne dentée (28) fixée extérieurement sur le tube (2).
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé par le fait que l'autre pôle de la source de courant est relié à une tôle de contact (22) qui constitue la deuxième électrode et qui est disposée au-dessous du tube (2) dans le bassin d'immersion (4).
EP93903167A 1992-02-25 1993-02-10 Dispositif pour l'enduction par electrolyse de petites pieces Expired - Lifetime EP0627022B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4205672A DE4205672C2 (de) 1992-02-25 1992-02-25 Vorrichtung zur elektrolytischen Beschichtung von Kleinteilen
DE4205672 1992-02-25
PCT/DE1993/000122 WO1993017155A1 (fr) 1992-02-25 1993-02-10 Dispositif pour l'enduction par electrolyse de petites pieces

Publications (2)

Publication Number Publication Date
EP0627022A1 EP0627022A1 (fr) 1994-12-07
EP0627022B1 true EP0627022B1 (fr) 1996-02-07

Family

ID=6452484

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93903167A Expired - Lifetime EP0627022B1 (fr) 1992-02-25 1993-02-10 Dispositif pour l'enduction par electrolyse de petites pieces

Country Status (13)

Country Link
US (1) US5433834A (fr)
EP (1) EP0627022B1 (fr)
JP (1) JP2613173B2 (fr)
KR (1) KR100212875B1 (fr)
AT (1) ATE134000T1 (fr)
AU (1) AU663924B2 (fr)
CA (1) CA2124082C (fr)
CZ (1) CZ282864B6 (fr)
DE (3) DE4205672C2 (fr)
DK (1) DK0627022T3 (fr)
ES (1) ES2083279T3 (fr)
HU (1) HU216495B (fr)
WO (1) WO1993017155A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19623962C2 (de) * 1996-06-15 2002-11-07 Doerken Ewald Ag Elektrotauchlack für metallische Schüttgüter

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4341188C2 (de) * 1993-12-03 1998-07-09 Nuetro Maschinen & Anlagen Vorrichtung und Verfahren zum Elektrotauchlackieren
DE19511900C2 (de) * 1995-03-31 1997-04-24 Hentschel Michael Dipl Ing Fh Vorrichtung zum Elektro-Tauchlackieren
US5755948A (en) * 1997-01-23 1998-05-26 Hardwood Line Manufacturing Co. Electroplating system and process
US5851368A (en) * 1997-03-14 1998-12-22 Rumph; Timothy P. Small parts plating apparatus
US5945594A (en) * 1998-10-14 1999-08-31 Meritor Light Vehicle Systems-France Method and apparatus for the electrochemical inspection of galvanized cable and method and apparatus for predicting the corrosion life of galvanized cable undergoing mechanical fatigue
DE19907863C1 (de) * 1999-02-23 2000-03-16 Doerken Ewald Ag Vorrichtung zur Elektrotauchlackierung
US6228230B1 (en) * 1999-04-19 2001-05-08 Aem, Inc. Electroplating apparatus
DE10011865C1 (de) * 2000-03-10 2001-06-07 Wilms Gmbh Einrichtung zur Beschichtung von Gegenständen, insbesondere Galvanisierung von Kleinteilen
US20030052009A1 (en) * 2001-09-14 2003-03-20 Case Leo L. Method and apparatus for the bulk coating of components
US6887363B2 (en) * 2001-11-20 2005-05-03 Sst Corporation Grounding system for rotating fixtures in electrically conductive mediums
US7767070B2 (en) * 2004-08-13 2010-08-03 Ppg Industries Ohio, Inc. Processes for coating of objects
DE102006012103A1 (de) 2006-03-14 2007-09-20 Ewald Dörken Ag Verfahren zum Beschichten von Werkstücken und Vorrichtung hierfür
DE102007018887A1 (de) * 2007-04-19 2008-10-23 Ewald Dörken Ag Trommel und Verfahren zum Beschichten von Werkstücken mit einer nicht-metallischen Beschichtung
EP2250301B1 (fr) 2008-02-26 2011-11-02 Ewald Dörken Ag Procédé d'enduction pour une pièce à usiner
JP6350272B2 (ja) * 2014-12-26 2018-07-04 株式会社デンソー 表面処理装置及び表面処理方法
KR101730250B1 (ko) 2015-08-27 2017-04-26 주식회사 코모텍 열가소성 플라스틱 파이프의 연결 방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1912400A (en) * 1930-05-31 1933-06-06 Mercil Plating Equipment Compa Electroplating apparatus
NL62329C (fr) * 1944-07-15
US2624728A (en) * 1949-07-14 1953-01-06 United Chromium Inc Electroplating barrel
GB675680A (en) * 1949-11-28 1952-07-16 Canning & Co Ltd W Improvements relating to rotary electroplating barrels
DE926403C (de) * 1952-01-13 1955-04-18 Paul Anke Vorrichtung zum Galvanisieren kleiner Teile
US3682136A (en) * 1971-03-04 1972-08-08 Armco Steel Corp Conveyor for electropainting
FR2308705A1 (fr) * 1975-04-22 1976-11-19 Hertschuh A Mecarex Sa Dispositif d'electrolyse pour le traitement de pieces en continu
SE7701371L (sv) * 1977-02-08 1978-08-08 Loqvist Kaj Ragnar Pletering av hal
FR2446871A1 (fr) * 1979-01-17 1980-08-14 Rymland Robert Appareil de traitement electrolytique et installation d'electrolyse mettant en oeuvre au moins un tel appareil
US4559122A (en) * 1983-11-07 1985-12-17 Luciano Folco Continuous-cycle electroplating plant
DK0431711T3 (da) * 1989-11-16 1993-12-13 Plm Berlin Dosenwerk Gmbh Fremgangsmåde og indretning til anodisk eller katodisk elektrolakering af huldele, specielt af dåser

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19623962C2 (de) * 1996-06-15 2002-11-07 Doerken Ewald Ag Elektrotauchlack für metallische Schüttgüter
DE19623962C5 (de) * 1996-06-15 2005-12-01 Ewald Dörken Ag Verwendung von Einkomponenten-Elektrotauchlacken zur Beschichtung von metallischen, elektrisch leitfähigen Schüttgütern in einer kontinuierlichen Durchlauf-Beschichtungsvorrichtung
DE19655362B4 (de) * 1996-06-15 2009-08-20 Ewald Dörken Ag Verwendung eines unverdünnten 2-Komponenten Elektrotauchlackes für metallische Schüttgüter

Also Published As

Publication number Publication date
DE4390620D2 (de) 1996-01-11
AU3448393A (en) 1993-09-13
WO1993017155A1 (fr) 1993-09-02
DK0627022T3 (da) 1996-04-09
EP0627022A1 (fr) 1994-12-07
JP2613173B2 (ja) 1997-05-21
ATE134000T1 (de) 1996-02-15
CZ282864B6 (cs) 1997-11-12
AU663924B2 (en) 1995-10-26
DE4205672A1 (de) 1993-08-26
DE59301602D1 (de) 1996-03-21
DE4205672C2 (de) 1995-04-20
CZ204394A3 (en) 1995-06-14
US5433834A (en) 1995-07-18
JPH07503500A (ja) 1995-04-13
HUT68104A (en) 1995-05-29
CA2124082C (fr) 1999-08-03
KR100212875B1 (ko) 1999-08-02
HU9401403D0 (en) 1994-08-29
HU216495B (hu) 1999-07-28
ES2083279T3 (es) 1996-04-01
CA2124082A1 (fr) 1993-09-02

Similar Documents

Publication Publication Date Title
EP0627022B1 (fr) Dispositif pour l'enduction par electrolyse de petites pieces
DE2055995C3 (de) Verfahren zum kontinuierlichen galvanischen Verchromen der Außenoberfläche von Stangen oder Rohren
DE3645319C3 (de) Anordnung und Verfahren zum elektrolytischen Behandeln von plattenförmigen Gegenständen
DE2151618C3 (de) Verfahren und Vorrichtung zum kathodischen Behandeln dünner elektrisch leitender Faserstränge bzw. -bündel
DE2051778C3 (de) Vorrichtung zum Galvanisieren von zylindrischen Gegenständen
EP0070011B1 (fr) Dispositif de galvanisation
DE3235958C2 (fr)
DE1197719B (de) Verfahren und Vorrichtung zum Galvanisieren der Innenoberflaeche von Rohren mit Innendurchmesser ueber etwa 3 mm im Durchlaufverfahren
AT411906B (de) Verfahren zum galvanischen beschichten einer sich im wesentlichen über einen halbkreis erstreckenden, zylindrischen innenfläche eines werkstückes
CH680726A5 (en) Cleaning device for surface of conveyor belts - has interchangeable brush rollers for different cleaning actions
DE3246574A1 (de) Vorrichtung zur elektrostatischen spritzlackierung
DE1816645A1 (de) Verfahren und Vorrichtung zur selektiven galvanischen Beschichtung von endlosen Baendern aus galvanisierbarem Werkstoff
DE2263680B2 (de) Galvanisiervorrichtung zum gleichzeitigen ueberziehen der innenflaechen von fluchtend zu einem stehenden rohrfoermigen koerper aufeinandergeschichteten ringfoermigen koerpern
DE2633179C3 (de) Vorrichtung zur elektrophoretischen Beschichtung eines eine krummlinige Oberfläche aufweisenden elektrisch leitfähigen Werkstücks
EP0314053B1 (fr) Dispositif pour le renforcement par électrodéposition d'une ligne conductrice sur une vitre
DE2415705A1 (de) Vorrichtung zur elektrolytischen abscheidung von metallen
DE69932877T2 (de) System für galvanische Behandlung oder Endbearbeitung von Teilen und entsprechendes Verfahren
DE2735067C2 (fr)
DE3345374A1 (de) Vorrichtung zum reinigen von wannenfoermigen behaeltern
DE2144375B2 (de) Verfahren und Vorrichtung zur galvanischen Behandlung von Stabmaterial
DE10011865C1 (de) Einrichtung zur Beschichtung von Gegenständen, insbesondere Galvanisierung von Kleinteilen
DE1496727C (de) Verfahren zur elektrolytischen Behandlung der Innen- und Außenfläche von Rohren
DE2544380C3 (de) Verfahren zum Behändem, insbesondere Ätzen, der äußeren Oberfläche von rohr- oder stangenförmigen Metallkörpern und Vorrichtung zur Durchführung des Verfahrens
DE511922C (de) Einrichtung zur Behandlung von Massenwaren in elektrilytischen Baedern
DE1204045B (de) Vorrichtung zum Galvanisieren der Innenoberflaeche von Rohren

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: 19940218

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI NL SE

17Q First examination report despatched

Effective date: 19950503

RBV Designated contracting states (corrected)

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI NL SE

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI NL SE

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: 19960207

REF Corresponds to:

Ref document number: 134000

Country of ref document: AT

Date of ref document: 19960215

Kind code of ref document: T

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19960209

REF Corresponds to:

Ref document number: 59301602

Country of ref document: DE

Date of ref document: 19960321

ET Fr: translation filed
REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: TROESCH SCHEIDEGGER WERNER AG

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2083279

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: DK

Ref legal event code: T3

ITF It: translation for a ep patent filed

Owner name: MODIANO & ASSOCIATI S.R.L.

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

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

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

Ref country code: CH

Payment date: 20120221

Year of fee payment: 20

Ref country code: FR

Payment date: 20120319

Year of fee payment: 20

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

Ref country code: DE

Payment date: 20120228

Year of fee payment: 20

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

Ref country code: IT

Payment date: 20120225

Year of fee payment: 20

Ref country code: BE

Payment date: 20120229

Year of fee payment: 20

Ref country code: SE

Payment date: 20120228

Year of fee payment: 20

Ref country code: DK

Payment date: 20120228

Year of fee payment: 20

Ref country code: GB

Payment date: 20120222

Year of fee payment: 20

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

Ref country code: NL

Payment date: 20120224

Year of fee payment: 20

REG Reference to a national code

Ref country code: DK

Ref legal event code: EUP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 59301602

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: V4

Effective date: 20130210

BE20 Be: patent expired

Owner name: *EWALD DORKEN A.G.

Effective date: 20130210

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20130209

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK07

Ref document number: 134000

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130210

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

Ref country code: AT

Payment date: 20120223

Year of fee payment: 20

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

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 EXPIRATION OF PROTECTION

Effective date: 20130212

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20130209

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

Ref country code: ES

Payment date: 20120221

Year of fee payment: 20

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20130718

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 EXPIRATION OF PROTECTION

Effective date: 20130211