Patents
Sitemap › B23 - Machine tools; Metal-working not otherwise provided for › B23H - Working of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool; Such working combined with other forms of working of metal › B23H 5 - Combined machining
Patents for B23H 5 - Combined machining (1,281)
04/2000
04/14/2000CA2285169A1 Method for mirror process of external surface of long sized metal
01/2000
01/20/2000WO2000003426A1 Methods and apparatus for electropolishing metal interconnections on semiconductor devices
01/20/2000CA2336851A1 Methods and apparatus for electropolishing metal interconnections on semiconductor devices
12/1999
12/16/1999WO1999065072A1 Electrochemical planarization of metal layers using a bipolar electrode assembly
12/08/1999EP0962554A2 Electrolytic integrated polishing method for external surface of metallic tubes and photosensitive drum substrate prepared thereby
12/05/1999CA2273409A1 Electrolytic integrated polishing method for external surface of metallic tubes and photosensitive drum substrate prepared thereby
11/1999
11/18/1999WO1999058280A1 Method and apparatus for treating surface of tool
11/17/1999EP0956374A1 Method of making a pvd-coated hss drill
11/02/1999US5976347 Micro cutting method and system
10/1999
10/27/1999EP0951960A1 Method and apparatus for polishing inner surface of cylindrical portion of elongated cylindrical work and elongated cylindrical work
06/1999
06/09/1999EP0920946A2 Part fabricating method and part fabricating apparatus
06/03/1999WO1999026758A1 Electrochemical-control of abrasive polishing and machining rates
05/1999
05/20/1999WO1999024206A1 Method and apparatus for polishing inner surface of cylindrical portion of elongated cylindrical work and elongated cylindrical work
04/1999
04/21/1999EP0909611A1 Method for grinding the surfaces of workpieces and apparatus for carrying out the method
03/1999
03/04/1999WO1999010569A1 Combination electrolytic polishing and polishing and texturing machine and the combination electrolytic polishing and polishing and texturing tape used in the said machine
11/1998
11/05/1998WO1998048968A1 Method and device for electrolytic composite polishing of inner surface of long metal pipe
09/1998
09/22/1998US5811355 Enhanced chemical-mechanical polishing (E-CMP) method of forming a planar surface on a thin film magnetic head to avoid pole recession
08/1998
08/25/1998US5798492 Machining liquid processing unit in electric discharge machine
07/1998
07/02/1998WO1998028101A1 Texturing and electro-deburring of magnetic disk substrate
06/1998
06/17/1998CN1038732C Electric discharge machining fluid, and machining method using the fluid thereof
05/1998
05/28/1998WO1998022976A1 Abrading method for semiconductor device
05/26/1998US5755946 Abrasive member for dry grinding and polishing
04/1998
04/30/1998WO1998017839A1 Method of making a pvd-coated hss drill
11/1997
11/11/1997US5685766 Polishing control method
08/1997
08/05/1997US5654078 Abrasive member for dry grinding and polishing
07/1997
07/23/1997EP0595802B1 Method for working surfaces on metals
06/1997
06/04/1997CN1035047C Electrolytically and mechanically combined polishing technology for inner surface of container
05/1997
05/28/1997CN1150558A Processing solution treatment device for electro-discharge machining device
05/13/1997US5628862 Polishing pad for chemical-mechanical polishing of a semiconductor substrate
12/1996
12/03/1996US5580300 Method and apparatus for surface polishing
11/1996
11/27/1996EP0744248A1 Abrasive member for dry grinding and polishing and method of making same
11/19/1996CA2044581C An electro-abrasive polishing process of the inner surface of pipes to extra-smooth mirror finish
08/1996
08/20/1996US5547414 Method and apparatus for grinding with electrolytic dressing
07/1996
07/23/1996US5539173 Electric discharge machining fluid
02/1996
02/28/1996CN1117424A Composite grinding method with magnetic floating centering function
10/1995
10/03/1995US5454921 Electrolytic combined processing machine
09/1995
09/20/1995EP0452501B1 Electro-abrasive Polishing Process of the Inner Surface of Pipes to Extra-smooth Mirror Finish
08/1995
08/15/1995US5441598 Controlling the surface of the polishing side to control size and shapes
05/1995
05/31/1995CN1103021A Method and apparatus for electrolytic dressing
05/02/1995CA1335437C Method and apparatus for electrolytically assisting the mechanical shaping of a workpiece
03/1995
03/22/1995EP0345353B1 Machining center
03/22/1995CN1100356A Repairing method for tools and dies and repairing machine
03/01/1995EP0640438A1 Method and apparatus for grinding with electrolytic dressing
02/1995
02/02/1995DE4325472A1 Method and device for surface polishing
01/1995
01/31/1995US5386094 Electrical discharge machine with automatic filtering
01/10/1995CA2100227A1 Method and apparatus for surface polishing
12/1994
12/14/1994CN1026958C Composite finishing polishing machine for bull block
08/1994
08/03/1994CN1090343A Surface treatment apparatus for workpieces
07/1994
07/13/1994CN1089198A Electric discharge machining fluid
05/1994
05/11/1994EP0596660A1 An electric discharge machining fluid
05/11/1994EP0595802A1 Method for working surfaces on metals.
04/1994
04/13/1994CN2161403Y Electrolytic machining deep hole driller with drill rod
03/1994
03/16/1994CN1083756A Automatic electrolytic sharpening technology for syringe needle and its electric conducting grinding head
03/15/1994US5294309 Electro-abrasive polishing of the inner surface of pipes to extra-smooth mirror finish
02/1994
02/16/1994CN1081946A Electrolytically and mechanically combined polishing technology for inner surface of container
02/02/1994EP0581210A1 Section stainless steel having good image clarity
01/1994
01/26/1994CN1023595C Electrospark lapping and polishing method and equipment thereof by using ultrasonic vibration
07/1993
07/14/1993EP0550799A1 Electrical discharge machine with automatic filtering
07/06/1993US5225038 Orbital chemical milling
05/1993
05/27/1993WO1993010279A1 Orbital chemical milling
05/26/1993EP0542927A1 Orbital electrochemical machining
05/11/1993CA1317444C Method and apparatus for producing turbine blade roots
04/1993
04/06/1993EP0542927A4 Orbital electrochemical machining.
03/1993
03/17/1993EP0396759B1 Wire-cut electrical discharge machining apparatus
03/16/1993US5194126 Method and device for dressing grinding wheels
12/1992
12/24/1992DE4143301A1 Semiconductor wafer disc edge rounding method by grinding
11/1992
11/10/1992CA1310073C Laser/edm apparatus drilling precision holes
05/1992
05/27/1992CN1016763B Electrolysis combined with radical, tangential and diagonal shaving technology
05/19/1992US5114548 Orbital electrochemical machining
04/1992
04/22/1992EP0481348A2 Method and apparatus for dressing grinding discs
02/1992
02/10/1992WO1992002329A1 Orbital electrochemical machining
01/1992
01/28/1992US5084602 Apparatus for selecting wire electrode type electrical discharge maching or laser machining
01/07/1992US5078256 Machine tool having a chip collecting apparatus
12/1991
12/10/1991US5071525 Method of grinding lenses and apparatus therefor
11/1991
11/05/1991US5062933 Ultrasonic machining method
10/1991
10/23/1991EP0452501A1 Electro-abrasive Polishing Process of the Inner Surface of Pipes to Extra-smooth Mirror Finish
10/03/1991WO1991014799A1 Method for working surfaces on metals
10/02/1991CN1054927A Electrospark lapping and polishing method and equipment thereof by using ultrasonic vibration
09/1991
09/03/1991US5045664 Machine tool with grinding function and truing/dressing method of grinding stone using it
07/1991
07/16/1991US5032238 Method of and apparatus for electropolishing and grinding
06/1991
06/12/1991CN1052074A Composite grinding polisher for wire-drawing die
05/1991
05/02/1991WO1991006388A1 Method of super-mirror finishing with electrolytic grinding for internal surface of small-diameter tube
04/1991
04/10/1991EP0421350A1 Method of and apparatus for electropolishing and grinding
04/09/1991US5006685 Machine tool with grinding function and truing/dressing method of grinding stone using it
03/1991
03/05/1991US4996762 Composite processing machine
02/1991
02/12/1991US4992639 Combined EDM and ultrasonic drilling
11/1990
11/28/1990EP0399129A1 Ultrasonic machining method
11/14/1990EP0396759A1 Wire-cut electrical discharge machining apparatus
11/14/1990CN2065529U Electrolytic grinding machine for container sealing head
10/1990
10/17/1990CN2063853U Combination grinding-and-buffing attachment for bull block
10/16/1990US4963710 Process and device for mechanical grinding or sharpening of workpieces by use of electrically conductive grinding or sharpening tools
09/1990
09/11/1990US4956056 Applying a rectified voltage to form an insulating oxide film on a grinding wheel
07/1990
07/25/1990CN1008891B Multifunction plate-cutting machine with electrosparking cutting disk
06/1990
06/26/1990US4937416 Electrocontact discharge dressing method for grinding wheel
06/05/1990US4930486 Blade cutting method for hard brittle material
05/1990
05/02/1990EP0366466A1 Combined EDM and ultrasonic drilling
05/01/1990US4920946 Blade cutting apparatus for hard brittle material
03/1990
03/14/1990CN1007135B Compound processing method of electric spark and ultrasonic wave
03/08/1990WO1990002020A1 Wire-cut electrical discharge machining apparatus
01/1990
01/17/1990CN1038782A Electrolysis combined with radical, tangential and diagonal shaving technology
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