Patents for B23H 9 - Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects (3,245)
03/1996
03/05/1996US5496983 Laser guided discharge machining apparatus and method
02/1996
02/29/1996WO1996005938A1 Method for realizing sealing surfaces
02/27/1996US5495087 Grooving blade for textile core
02/22/1996DE4429299A1 Verfahren zur Herstellung von Dichtflächen A process for the production of sealing surfaces
02/15/1996DE4428207A1 Mfg. turbine rotor disc with curved cooling air channels
02/08/1996WO1996003714A1 Procedure for identification of objects based on forming and verifying their surface roughness as well as objects suitable to be identified
02/06/1996US5489756 Slot fabrication by electrical discharge machining
01/1996
01/25/1996WO1996001716A1 Sample and defect removing apparatus and method
01/16/1996US5484513 Process and apparatus for producing a rough generated surface on a cylindrical body of rotation
01/03/1996EP0689894A1 Method and apparatus for brazing a porous metallic body on a metallic piece, and manufactured filter
01/02/1996US5480497 High speed electrical discharge surface preparation internal surfaces for thermal coatings
12/1995
12/20/1995EP0687518A1 Method and device for electroerosion machining
11/1995
11/23/1995DE4421246C1 Device for countersunk erosion in electrical components
10/1995
10/24/1995US5461211 Groove forming method by discharge machining
09/1995
09/20/1995EP0671988A1 Method of manufacturing a filter plate for the foot of a nuclear-fuel element, and a fuel element fitted with such a filter plate.
09/20/1995EP0524284B1 Electrochemical machining
09/20/1995EP0452501B1 Electro-abrasive Polishing Process of the Inner Surface of Pipes to Extra-smooth Mirror Finish
09/14/1995DE4408373A1 Christmas cake baking mould
08/1995
08/31/1995WO1995023362A1 Method for forming shaped passages
07/1995
07/18/1995US5434380 Surface layer forming apparatus using electric discharge machining
07/04/1995US5429984 Method of discharge processing of semiconductor
06/1995
06/29/1995WO1995017277A1 Device for producing shaped holes in articles such as gas turbine engine components
06/21/1995EP0658220A1 A method of producing etched plates for graphic printing and apparatus therefor
06/21/1995CN1103899A Method and apparatus for surface treatment by electrical discharge machining
06/14/1995DE4342314A1 Specimen structuring process
06/08/1995DE4423274C1 Impressing tool for marking components with data
05/1995
05/23/1995US5418345 Method for forming shaped passages
05/16/1995US5416289 Method of and apparatus for increasing the productivity of an electroerosion drill
05/09/1995US5414233 Method of electrical discharge machining for manufacture of Belleville springs
04/1995
04/25/1995US5408883 Remotely operated diagnostic tube sampling device and method of sampling
04/20/1995DE4436663A1 Method and apparatus for surface treatment by means of machining by electrical discharge
04/19/1995EP0648186A1 Textile core having improved start-up groove and grooving blade thereof
04/11/1995US5406043 Method for manufacturing master of die for shaping golf ball
04/04/1995US5402692 Method of forming a curve on a cutting edge
03/1995
03/28/1995US5401932 Method of producing a stencil mask
03/22/1995EP0644010A1 Workpiece clamping device and use thereof for electrochemical machining of turbine blades
03/08/1995EP0641625A1 Techniques for polishing optical fiber ends
02/1995
02/21/1995US5391850 Apparatus and method for fast hole drilling by electrical discharge machining
01/1995
01/25/1995EP0538434B1 Process and machine for electrical discharge machining of cutting tips
01/18/1995EP0634243A1 Electrode tube for electrical discharge machining and manufacturing method thereof
01/04/1995EP0631837A1 Embossing roll manufacture
01/03/1995CA1333787C Electrodes for electrochemically machining airfoil blades
01/03/1995CA1333783C Method and apparatus for electrochemically machining airfoil blades
12/1994
12/22/1994WO1994029061A1 System and method for electrolytic deburring
12/13/1994US5373449 Method of producing a multi-apertured workpiece
12/07/1994EP0627303A1 Rotary forming apparatus for carton blank and method of manufacturing same
12/07/1994EP0597063A4 Method and apparatus for electrically destroying a syringe needle.
12/01/1994DE4324271A1 Method of producing gear tooth systems
11/1994
11/22/1994US5366613 Bringing minute forward end of counterelectrode close to surface; applying predetermined voltage; etching
11/01/1994US5361285 EDM crack removal tooling
11/01/1994US5360957 Controlled apparatus for electrical discharge machining
10/1994
10/26/1994EP0427876B1 Electric spark machining electrode and method of production thereof
09/1994
09/28/1994EP0616868A1 Groove forming method by discharge machining
09/08/1994DE4307159A1 Injection-hole disc for a valve and method for its manufacture
09/06/1994US5345323 Techniques for polishing optical fiber ends
09/06/1994US5345053 Method and apparatus for supplying power for electric discharge machining
09/06/1994US5345052 Tool making
08/1994
08/11/1994DE4402687A1 Method and appliance for generating a rough lateral surface on a cylindrical body of rotation, especially of a roll for metal strips
08/10/1994EP0609743A1 Process for cutting the separating surfaces in the construction of turbines
08/02/1994US5334294 Passing continuously through electrolytic polishing bath with installed cathode, turning on electricity only when portion to be processed is in bath, increasing speed otherwise
07/1994
07/27/1994EP0607894A1 Shaped-tube electrolytic polishing process
07/27/1994EP0607893A1 Shaped-tube electrolytic machining process
07/26/1994US5331832 Sleeve sizing processes
07/19/1994US5329841 Piston-slide-valve
07/12/1994US5328121 Textile core having improved start-up groove
07/05/1994US5326954 Process and machine for the electric discharge machining of cutter plates
06/1994
06/29/1994EP0441887B1 Method of processing orifices
06/28/1994US5324907 EDM apparatus with a cam arm for moving an electrode
06/22/1994CN1088142A Generating electrospark precision machining equipment
06/21/1994US5322613 Method and apparatus for marking orthodontic products
06/21/1994US5322599 Advancing conductive tube toward workpiece while passing electrolyte through, passing fixed electric current between tube and workpiece, forming hole by uniform deplating
06/14/1994US5320721 Shaped-tube electrolytic polishing process
06/14/1994US5320505 Electrochemical machining of scroll wraps
06/09/1994WO1994012307A1 Method of manufacturing a filter plate for the foot of a nuclear-fuel element, and a fuel element fitted with such a filter plate
05/1994
05/31/1994US5317607 EDM crack removal tooling
05/24/1994US5314598 Electrochemical broaching apparatus
05/24/1994CA1329714C Patterned plastic optical components
05/18/1994EP0597063A1 Method and apparatus for electrically destroying a syringe needle
05/17/1994US5313038 EDM drilling of low angle holes
05/10/1994US5310468 ECM slave assembly
05/10/1994US5309639 Method of making a machine component with lubricated wear surface
04/1994
04/26/1994US5306402 Method for controlling the machining current in electrochemical machining
04/26/1994US5306401 Vertical drilling in acid electrolyte
04/12/1994CA1328424C Mass production process for copperplate printing elements made of steel, and apparatus for implementing said process
04/06/1994CN2160491Y Electrolyzer for repairing internal holes of piped metallic parts
03/1994
03/15/1994US5294309 Electro-abrasive polishing of the inner surface of pipes to extra-smooth mirror finish
03/09/1994EP0585667A1 Electric current control method used for electrochemical machining
03/08/1994US5292072 Fuel injectors and methods for making fuel injectors
03/01/1994US5290988 Method for machining a precision conformed hold-down pressure shoe
03/01/1994CA1327337C Apparatus and method for electrochemically smoothing or finishing a surface of a conductive metal part
01/1994
01/25/1994US5281788 Electroerosion boring apparatus
01/12/1994EP0500555B1 Process for manufacturing tooth replacements by spark erosion and device for clamping, inserting and truing plaster models or copper electrodes for the spark-erosion manufacture of tooth replacements
12/1993
12/29/1993CN1079926A Method and apparatus for the electric discharge machining of cutting tips
12/16/1993DE4318164A1 Remote control steam pipe inspection prove and sampling head - using optical, ultrasonic and eddy current detectors and wall sample removal.
12/15/1993EP0573900A1 Method for manufacturing master of die for shaping golf ball
12/14/1993US5270513 Process for manufacturing extrusion dies and dies thus obtained
12/14/1993US5269057 Method of making replacement airfoil components
12/09/1993WO1993024403A1 Textile core having improved start-up groove and grooving blade thereof
12/09/1993WO1993024266A1 Method and apparatus for electrically destroying a syringe needle
12/07/1993US5268550 Method and device for removing a specimen from within the vessel of a nuclear reactor being decommissioned
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