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 9 - Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
Patents for B23H 9 - Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects (3,245)
07/1986
07/31/1986WO1986004345A1 Ball-point writing instrument containing an aqueous ink composition
07/29/1986US4603032 Apparatus for processing sheet-like layers by means of a spark discharge
07/29/1986US4602521 Rack and pinion steering gear
07/29/1986US4602458 Apparatus for the manufacture or working of gears
07/08/1986US4599154 Electrically enhanced liquid jet processing
06/1986
06/24/1986US4596916 Parting-line EDM with selectively actuated fluid flows
05/1986
05/28/1986EP0181958A1 Method for manufacturing an injection mould for manufacturing a synthetic wicker seat
05/22/1986WO1986002867A1 Method of manufacturing drill-shaped cutting tools and rolling die
04/1986
04/22/1986US4584452 Remotely actuated metal disintegration machining apparatus
04/09/1986EP0176603A1 Device for forming an initial hole in a discharge machining apparatus
03/1986
03/19/1986CN85202070U Large-taper cutting device for eletric spark linear cutting lathe
03/12/1986EP0173749A1 Perforating apparatus relying upon electric discharge machining
02/1986
02/13/1986WO1986000841A1 Device for electric discharge broaching of openings in parts
02/13/1986WO1986000840A1 Electrode-instrument and methods for electric discharge broaching of openings in parts
02/05/1986EP0170388A1 Apparatus and method for finishing fuel injector spray tips
01/1986
01/02/1986EP0166191A2 Electrode for electrochemically producing holes in metal work pieces
12/1985
12/11/1985EP0163800A2 Method and device for electroerosion-polishing
11/1985
11/27/1985EP0162440A2 Method and device for electrochemically machining very narrow grooves
11/12/1985US4553012 For electric discharge machining the surface of a workpiece
10/1985
10/24/1985WO1985004608A1 Device for forming an initial hole in a discharge machining apparatus
10/22/1985US4549061 Electrical discharge machining apparatus for producing threaded holes
10/15/1985CA1195102A1 Masking agent for electrolytic machining
10/01/1985US4544820 Die forming method and machine
09/1985
09/24/1985US4543050 Tire manufacturing mold
08/1985
08/29/1985WO1985003657A1 Perforating apparatus relying upon electric discharge machining
08/14/1985EP0151357A1 Electrical discharge machining device
08/06/1985CA1191556A1 Wire electrical discharge machine flushing process and apparatus
07/1985
07/16/1985US4529493 Apparatus for the electrolytic drilling of precision holes
07/02/1985US4527035 Wire electrical discharge machine flushing process and apparatus
06/1985
06/19/1985EP0144616A1 Remotely actuated metal disintegration machine apparatus
06/11/1985US4522562 Turbine rotor cooling
05/1985
05/29/1985EP0143014A1 Precision machining method, application to the machining of the reflecting surface of a mirror and mirror machined according to this method
05/15/1985EP0141121A2 Device for treating thin sheets by spark discharge
04/1985
04/17/1985EP0137747A2 Improvements in or relating to the production of grain oriented steel
03/1985
03/19/1985US4506133 Dynamic balancing machine using EDM
02/1985
02/26/1985US4501179 Compound die assembly
02/19/1985US4499708 Method of extruding and packaging a thin sample of reactive material including forming the extrusion die
12/1984
12/27/1984EP0129340A1 Electrical discharge machining apparatus for forming minute holes in a workpiece
12/25/1984US4490600 Wire electrode spark erosion
12/04/1984US4486279 Electrochemical deburring
11/1984
11/20/1984US4484053 Device for electrical discharge machining of a work in the form of a roll
10/1984
10/31/1984EP0123436A2 A method of, and apparatus for, electrical discharge machining a workpiece
10/09/1984US4476368 Inner wall tube disintegrator
09/1984
09/11/1984US4471200 Method for manufacturing tire molding metal molds with a two-stage electrical discharge machining process
09/11/1984US4471199 EDM Of a roll using segmented electrode short-circuited in the rough machine step
06/1984
06/26/1984US4456516 Shaft rounding apparatus
06/19/1984USRE31605 Method and apparatus for electrochemically finishing airfoil edges
05/1984
05/01/1984US4446110 Treating the surface of articles by electrical brush discharge
02/1984
02/07/1984US4430180 Apparatus for and method of electroerosively drilling a thin hole in a workpiece
01/1984
01/24/1984CA1160989A1 Apparatus for treating the surface of articles by electrical brush discharge
01/17/1984CA1160693A1 Apparatus for clamping a plurality of electrical discharge machining electrodes
12/1983
12/06/1983CA1158197A1 Method and apparatus for electrochemically finishing airfoil edges
10/1983
10/19/1983EP0091431A1 Die forming method and machine
10/04/1983US4408215 Electrochemical marking apparatus
09/1983
09/27/1983US4406759 Protective coatings
08/1983
08/09/1983US4398078 Finishing of annular articles
07/1983
07/19/1983US4394558 EDM Method of machining workpieces with a controlled crater configuration
07/19/1983US4394243 Electrode for an electrochemical metal machine process
07/05/1983US4391684 Method of manufacture of an article having internal passages
06/1983
06/07/1983US4387287 Method for a shaping of polycrystalline synthetic diamond
06/07/1983US4387009 Air jets, signals
05/1983
05/25/1983EP0079754A2 Masking agent for electrolytic machining
04/1983
04/28/1983WO1983001403A1 Die forming method and machine
04/26/1983CA1145241A1 Method of and apparatus for cutting narrow grooves
04/20/1983EP0077097A1 Apparatus for manufacturing toothed wheels by rolling-spark cutting
04/06/1983EP0076150A2 Method for electrical discharge machining of a work in the form of a roll
04/06/1983EP0076149A2 Apparatus for electrical discharge machining of a work in the form of a roll
03/1983
03/08/1983US4376020 Method of and apparatus for cutting narrow grooves
02/1983
02/15/1983US4374313 Arrangement for working internal rotational surfaces of metal parts in a cylindrical opening having a high slenderness ratio
02/09/1983EP0071479A2 Wire electrical discharge machining process and apparatus
02/08/1983US4373126 Process for eliminating errors in prepositioning pieces to be manufactured by electro-erosion
02/01/1983US4371432 Method of and apparatus for electroerosive production of profiled surfaces
09/1982
09/21/1982US4350865 Method and device for forming a tapered extrusion die
08/1982
08/25/1982EP0058515A2 Wire electrode spark erosion
08/10/1982US4343049 Electro-chemically machined ring and strut structure for prosthetic heart valves
07/1982
07/13/1982CA1127590A1 Method of forming a plurality of articles
06/1982
06/01/1982US4333000 Apparatus for making hollow extrusion dies
05/1982
05/25/1982US4331515 Voltage is applied to polish edge by dissolving
03/1982
03/16/1982US4319827 Method for assembling photographic self-processing apparatus
01/1982
01/05/1982CA1115576A1 Photographic processing roller having a surface roughened by electric discharge machining
10/1981
10/20/1981US4296301 Die forming method and machine
09/1981
09/29/1981US4291580 Manometer body
09/01/1981US4287403 Method and apparatus for adjusting the gap in an electric discharge machine
09/01/1981US4286370 Universal joint flexure hinge suspension system, and method for manufacturing this system
07/1981
07/14/1981US4278245 Apparatus for clamping a plurality of elements
06/1981
06/30/1981US4276132 Erosion of metals
04/1981
04/14/1981US4261211 Flexure joint, particularly for connecting a gyroscope to its driving shaft
03/1981
03/31/1981US4259562 Portable disintegrator
03/17/1981US4256555 Electro-chemical-machining of aerofoil blades
02/1981
02/10/1981US4250011 Electrode tool for electrochemical machining
01/1981
01/27/1981US4247748 Method for electrical discharge machining of a work in roll form
12/1980
12/30/1980US4242557 Apparatus for electrical discharge machining of cylindrical work
12/09/1980US4238310 Apparatus for electrolytic etching
11/1980
11/11/1980US4233485 Process for electrical discharge machining of cylindrical work
11/11/1980CA1089407A1 Method of machining electrically conducting substances by electrochemical attack
10/1980
10/28/1980US4230927 Apparatus for electrical discharge machining of cylindrical work
09/1980
09/17/1980EP0015353A1 Method of manufacturing by electro-erosion suspension leaf-springs presenting a thinned section, the method allowing for the elimination of positioning errors
08/1980
08/26/1980US4219718 Process and apparatus for electrical discharge machining of cylindrical work
08/12/1980US4217190 Method and apparatus for electrochemically finishing airfoil edges
08/12/1980CA1083527A1 Apparatus for electrochemically forming a plurality of articles
1 ... 22 23 24 25 26 27 28 29 30 31 32 33