Patents for C25D 21 - Processes for servicing or operating cells for electrolytic coating (5,798)
11/1992
11/26/1992WO1992020839A1 Process and device for electrolytically coating a steel object on one or both sides
11/23/1992WO1992020443A1 Method for preventing evaporation of a liquid from a basin and spreading of particulate material carried by vapor drops to the surroundings
11/23/1992CA2103067A1 Method for preventing evaporation of a liquid from a basin and spreading of particulate material carried by vapor drops to the surroundings
11/11/1992EP0512097A1 Method and installation for treating an aqueous galvanization effluent
11/10/1992US5162079 Process and apparatus for control of electroplating bath composition
10/1992
10/29/1992WO1992018670A1 Method of dissolving iron in an electrolyte intended for the electroplating of coated or uncoated steel strip
10/29/1992WO1992018666A1 Improvements to current generation and control systems for electrolytic processes
10/28/1992EP0510586A1 Toxic fumes removal process for plating tank
10/22/1992DE4113015A1 Verfahren zum loesen von eisen in einem elektrolyt fuer eine elektrochemische beschichtung von beschichteten oder unbeschichteten stahlbaendern A method of dissolving iron in an electrolyte for an electrochemical coating of coated or uncoated stahlbaendern
10/20/1992US5156825 Pumping plating rinse water over basic ion exchange resin, then two-step elution with basic aqueous solution, evaporation and crystallization of gold cyanide salts
10/20/1992US5156729 Method of making a plain bearing sliding layer
10/15/1992WO1992007899A3 Articles having a hydrophilic polymeric shell and method for preparing same
10/15/1992DE4109620A1 Device for supporting bath heaters, temp. regulators, etc. above treatment bath - has sliding joint to arrange unit safely above height of bath
10/13/1992CA1308687C Method of tinning metal strip
10/13/1992CA1308686C Regulating quantity of metal electrolytically deposited on travelling band
10/06/1992US5152881 Plating system
09/1992
09/30/1992EP0506254A1 An automatic continuous processing apparatus
09/24/1992DE4109434A1 Regeneration of waste chromate solns. by pptn. and electrolysis - to recover chromic acid and barium-contg. precipitant
09/24/1992DE4109017A1 Handling rinsing water in surface treatment units - where water from different tanks or groups of tanks is separately circulated and treated and is mixed with water from other tanks as appropriate
09/22/1992US5149411 Scrubbing
09/16/1992EP0502901A1 Process and device for dissolving high-purity zinc in an electrolyte.
09/09/1992EP0502537A1 Apparatus for continuous electrolytic treatment of aluminum article
09/09/1992CN1064321A Regeneration method for electrolytic colouring liquid containing tin salt
09/03/1992WO1992014942A1 Bearings
09/03/1992WO1992014867A1 Deposition method and apparatus
09/02/1992EP0501742A1 Depositing method and apparatus
09/02/1992EP0501547A1 Method of electrolytically coating a steel strip with a metal layer at least partly of zinc
09/01/1992US5143593 Method of copper plating
08/1992
08/25/1992US5141626 Method of and apparatus for surface treatment for half bearings
08/18/1992US5139636 Stabilization of rising currents, uniform plating
08/18/1992CA1306352C Method and means for drying bulk goods
07/1992
07/22/1992CN1062933A Micro-draining technology and device for rinsing water in industrial production
07/15/1992EP0494434A2 Process for replenishing metals in aqueous electrolyte solutions
07/10/1992CA2054252A1 Process for replenishing metals in aqueous electrolyte solutions
07/08/1992EP0493644A1 Electrodialysis cell for removal of excess electrolytes formed during electrodeposition of photoresist coatings
07/08/1992EP0493479A1 Improvements in or relating to the electrodeposition of zinc or zinc alloy coatings.
06/1992
06/27/1992CA2058245A1 Micro-effluent process for rinsing water and equipment for the same in industrial processing
06/23/1992US5124016 Electroplating apparatus
06/23/1992US5124015 Means for forming a continuous electrolytic deposit of constant thickness
06/11/1992WO1992009725A1 Method and installation for treating an aqueous galvanization effluent
05/1992
05/29/1992WO1992008825A1 Method for purifying concentrated, aqueous and used solutions of chromic acid, and solutions thereby purified
05/27/1992EP0487011A1 Process and apparatus for the electrolytic treatment of platelike articles
05/20/1992EP0486187A2 Process for the electrolytic regeneration of ammoniacal copper etchant baths
05/19/1992US5114557 Selective plating apparatus with optical alignment sensor
05/14/1992WO1992007977A1 Device for coating workpieces used in the dental field
05/14/1992WO1992007899A2 Articles having a hydrophilic polymeric shell and method for preparing same
05/14/1992DE4035316A1 Recovery of nickel@ from wastes esp. those from nickel plating baths - in simple, effective method without prodn. of damaging chlorine@ gas by=product
05/14/1992CA2094711A1 Articles having a hydrophilic polymeric shell and method for preparing same
05/13/1992EP0485354A1 Process and apparatus for controlling the thickness of an electroplated coating on a metallic plate or foil
05/12/1992US5112447 Process for electroplating
05/09/1992CA2054905A1 Method and device for controlling the thickness of an electrodeposited coating on a metallic plate or sheet
04/1992
04/29/1992EP0483015A1 Electrochemical cell, especially for recycling of chromic acid
04/28/1992US5108552 Electroplating process
04/23/1992DE4103152C1 Simultaneous rinsing and drying of mass produced parts - by treating parts in liq. bath, rinsing and drying while in hexagonal drum lowered in chamber on support and sealed
04/22/1992CN1060508A Method for removing metallic impurities from h2cro4 electroplating bath
04/22/1992CN1060507A Method and equipment for demonstrating input running program of traveling crane on electroplating production line
04/22/1992CN1016367B Method for recovering electroplating liquid carried by workpiece and fixture
04/14/1992US5104496 Closed system; carrier gas; series of aqueous traps; reducing agent; mist suppressing foam; pollution control
04/07/1992US5102521 Horizontal carrying tape electroplating apparatus
04/02/1992DE4031979A1 Equipment for removing contaminants from chrome plating baths - comprises membrane tank with one or more membrane cylinders of sintered ceramic, clarifying tank and pumped circulation systems
03/1992
03/31/1992US5100518 Electrodeposition of copper on polyimide, flexible circuits
03/24/1992CA1297836C Electroplating apparatus particularly for electro-deposition of aluminum
03/18/1992EP0475347A1 Electrolytic processing system
03/17/1992US5095930 Process for the uniform introduction of a fluid, and apparatus for carrying out the process
02/1992
02/25/1992US5090362 Arrangement for galvanization of treatment goods in a series of baths
02/25/1992CA1296290C Electrolytic treatment of bulk goods using vibratory conveyor with helical track
02/19/1992EP0471577A1 Horizontal carrying type electroplating apparatus
02/11/1992US5087333 Method and apparatus for electroplating
02/04/1992CA1295283C Electroplating system with rinse tank and evaporator for contaminated effluent
01/1992
01/30/1992DE4023864A1 Device for transporting prods. through baths in galvanising plant - with specially designed side walls in baths to enable optimum air flow through container and optimum vapour suction
01/29/1992EP0468208A1 Apparatus for the electrolytic treatment of workpieces through a succession of baths
01/28/1992US5084145 Adding an adsorption film forming organic inhibitor, pickling and electrodeposition
01/21/1992US5082538 Process for replenishing metals in aqueous electrolyte solutions
01/16/1992DE4030882C1 Electrical and magnetic fields insensitive continuous plating plant - has forked sensor head to position strip edge, arms to mount AC transmitter and parallelly connected receiver coils
01/15/1992EP0466595A1 Process and apparatus for treatment of electroplating wastes
01/15/1992EP0466387A1 An improved electroplating test cell
01/15/1992EP0466386A1 Electroplating cell
01/14/1992US5080723 Process and device for recovering the enamel slimes in electro-immersion enameling plants
01/09/1992DE4021581A1 Verfahren zur bewegung eines bohrungen aufweisenden gutes bei dessen nasschemischer behandlung, zb galvanisierung, sowie vorrichtung zur durchfuehrung des verfahrens A method of motion of holes having good when it is wet chemical treatment, eg electroplating, and apparatus for performing the method
01/08/1992CN2092546U Washing equipment being able to recover galvanization solution entirely
01/07/1992WO1992001088A1 Process for moving an item with drillings during its wet chemical treatment, e.g. galvanisation, and device for implementing the process
01/07/1992CA2086762A1 Process for moving an item with drillings during its wet chemical treatment e.g. galvanisation, and device for implementing the process
01/02/1992EP0464019A1 Conductor roll
01/02/1992DE4022035C1 Decontamination process for removing nitrate(s), chromium and cadmium - includes acidifying medium to produce electroconductive iron (II) ions, redox-reacting iron and chromium ions, etc.
12/1991
12/27/1991EP0462943A1 Method of copper plating
12/19/1991DE4016236A1 Immersed body processing - has oscillation applied mechanically to fluid and body to give max. fluid contact at and through workpiece
12/04/1991CN1015014B Roller mechanim for free deformation treatment of moving belt product
11/1991
11/27/1991EP0457930A1 Process for purifying rinsing water and exhausted gases by surface treatment processes
11/26/1991US5068032 System for fixing anodized aluminum
11/14/1991DE4015141A1 Galvanic process operation using pre- and post-treatment baths - involves continuously or cyclically supplying fresh liq. whose life is limited by continuous operation
11/13/1991EP0456628A1 Process for electrodepositing a metallic coating of a nickel-cobalt alloy on an object
11/12/1991US5063949 Apparatus for spray rinsing chemically treated articles
11/12/1991CA1292093C High-efficiency chromium plating bath with alkyl sulfonic acid for non-iridescent plate
11/06/1991EP0455403A1 Apparatus and process to regenerate a trivalent chromium bath
10/1991
10/31/1991WO1991016472A1 Method of controlling metallization baths
10/31/1991WO1991014023A3 Fully automatic current control system for metal depletion cells
10/30/1991EP0453786A2 Convection transfer system
10/23/1991EP0453432A1 A method of forming a zinc-aluminium coating on a steel strip
10/23/1991EP0452471A1 Protection of lead-containing anodes during chromium electroplating.
10/16/1991EP0451146A1 Process for improving wear on conductor rolls in electroplating of steel surfaces
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