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| Number | Title | Issue Date |
| 8178815 | Molding die machining electrode, fabricating method of molding die, and molding die In a molding die machining electrode, slit grooves of a molding die are machined with a slit groove forming part having a substantially circular outer circumference by arranging hexagonal erected wall parts in a row; while the inner circumference of a slit groove fo... | 05/15/2012 |
| 8168912 | Electrode for shaped film cooling hole An electrode used to form a film cooling hole in an air cooled turbine airfoil using the electrode discharge machining process. The electrode includes a number of film hole forming projections each having a metering hole forming section and a diffusion forming secti... | 05/01/2012 |
| 8168913 | Electric discharge machining die sinking device An EDM die sinking device includes a tank for holding a fluid, and at least one electrode in the tank having a shape for imparting to a first portion of a workpiece. A workpiece holder positions the workpiece at least partially immersed in the fluid and alternately ... | 05/01/2012 |
| 8030591 | Microreplication on a complex surface A cutting tool assembly using a machined tool operating in a plunge mode of electrical discharge machining to make microreplicated features in a work piece having a complex surface. The microreplicated features can be non-adjacent and can have any geometric configur... | 10/04/2011 |
| 7923657 | Method and apparatus for electrode dressing An electric discharge machine template fixture (40) suitable for EDM redressing operations, the fixture (40) comprising a body (42) capable of holding a template (50) and capable of rotating the template (50) about its central axis... | 04/12/2011 |
| 7915559 | Electrode for electric discharge surface treatment, method for manufacturing electrode, and method for storing electrode An electrode for electric discharge surface treatment, in which a pulse-like electric discharge is caused between the electrode and a work in a dielectric fluid or an atmosphere, and in which a coat of an electrode material or a substance that is generated by a reac... | 03/29/2011 |
| 7834291 | Electrode for electric discharge surface treatment, and method and apparatus for electric discharge surface treatment An electrode for electric discharge surface treatment is a green compact formed by molding a metal powder, a metal compound powder, or a ceramic powder, and is used for electric discharge surface treatment in which an electric discharge is generated between the elec... | 11/16/2010 |
| 7723635 | Electrode wire for electric discharge machining and manufacturing method of the same Enhanced electrode discharge machining properties of an electrode wire are achieved when the electrode wire comprises a coil, a covering layer formed on a periphery of the coil, and grains formed on the covering layer. The grains comprise a copper-zinc alloy includi... | 05/25/2010 |
| 7428444 | Method for under-sizing electrodes for polygonal orbit electric discharge machining A system, method, and computer program for designing an electrode for electric discharge machining, comprising identifying a cavity in a three-dimensional design; calculating a direct negative boolean of said cavity to define a general form for an electrode; determi... | 09/23/2008 |
| 7378611 | Apparatus and method for electrical discharge machining A work station for an electrical discharge machining apparatus, including a first mechanism for retaining a workpiece in a predetermined position, at least one electrode for forming a feature on the workpiece, and a second mechanism for positioning the electrode in ... | 05/27/2008 |
| 7357607 | Tool holder A tool holder is provided that is configured to deliver coolant to a work piece and/or a cutting tool. The tool holder includes a tool mounting aperture for receiving a shank of a cutting tool, and an axially extending central passage for receiving coolant deliver t... | 04/15/2008 |
| 7338236 | Cutting tool A milling tool 1, in particular a tubular drill, includes a shaft 2 and a working portion 3. At least one cutting edge 8 is provided at a face of the working portion 3 and at least one bore 4 extends into the face of the wor... | 03/04/2008 |
| 7329825 | Electric discharge machine and machining method therefor An electric discharge machine and method for carrying out electric discharge machining there within is provided, wherein after an electrode (21) and an electrode guide holder (25) are attached to an electrode holder (23), in advance, which is in... | 02/12/2008 |
| 7294304 | Die for forming honeycomb structure and method of manufacturing honeycomb structure There is disclosed a die for forming a honeycomb structure and a method of manufacturing the honeycomb structure by use of the die, in which variations of cell pitches are suppressed in a central portion and the vicinity of an outer periphery after drying and firing... | 11/13/2007 |
| 7291799 | Electrode dressing template Disclosed are various embodiments of an EDM electrode dressing template comprising a body made of an electrically conductive material. Bonded to the body is a pad with an electrically conductive material with hardness greater than the body. An electrode with an erod... | 11/06/2007 |
| 7291800 | EDM electrode tool holder An electrical discharge machining assembly has a fixture that retains an electrode. The fixture has clamps to apply a clamping force to the electrode. A threaded member adjusts the compression of a spring to change the clamping force for each clamp. For each clamp, ... | 11/06/2007 |
| 7273994 | Electrical discharge machine for improving the guide alignment base structure An electrical discharge machine for improving the guide alignment base structure consisting of a guide alignment base having vertical threaded holes. Furthermore, the guide alignment base has axial adjustment holes that are respectively aligned with the vertical thr... | 09/25/2007 |
| 7262382 | Process of forming conical holes with an electrical discharge machining system An electrical discharge machine is configured to (i) machine at least a portion of a workpiece through electrical discharge between the workpiece and a first machining electrode aligned by the electrode guide; (ii) generate a dressed machining electrode by engaging ... | 08/28/2007 |
| 7246835 | Height reduction for tactical truck system A military vehicle configured for transport by cargo aircraft. The vehicle has a cab portion that can be reduced in height by removing and/or collapsing and/or telescoping various components of the cab, such as the doors, roof, roll bar, windshield, and/or steering ... | 07/24/2007 |
| 7241962 | Electrical discharge texturing machine A low cost electrical discharge texturing machine which can texture work rolls having a broad range of diameters and lengths either on a production or research and development basis. The machine is relatively portable, for example, it can be mounted on a palate, and... | 07/10/2007 |
| 7220934 | Method of producing cooling holes in highly contoured airfoils An EDM electrode curved in both the the Z and the Y planes permits the formation of film cooling holes in a highly contoured article. ... | 05/22/2007 |
| 7219410 | High speed linear motion mechanism A motion mechanism is described. In one embodiment, the motion mechanism includes a base portion, a flexure portion, and a transducer. The flexure portion includes a payload support portion configured to support a payload, a first plurality of elongated portions ext... | 05/22/2007 |
| 7214901 | Duplex electrical discharge machining An electrical discharge machine includes first and second coaxial electrodes and corresponding carriages. A liquid dielectric is channeled between the electrodes and a workpiece which are suitably electrically powered for machining a duplex hole in the workpiece. | 05/08/2007 |
| 7204019 | Method for repairing an apertured gas turbine component A method for repairing defects in a gas turbine component that comprises a substrate and an existing coating on the substrate. The article includes cooling holes having a predetermined air flow requirement and an outer shaped portion and an inner metering portion. T... | 04/17/2007 |
| 7154063 | Small hole electric discharge machining equipment automatic electrode change device and method A small hole electric discharge machining equipment automatic electrode change device having an electrode docking turntable having a plurality of mounting slots located at equal intervals, each with a magnet, holding an electrode chuck. When changing a used electrod... | 12/26/2006 |
| 7126075 | Electro discharge machining a passage using a backing member A method and apparatus for electro discharge machining a passage through a work piece using a hollow electro discharge machining electrode and a corresponding flushing agent supplied via the hollow electrode. A backing member is positioned abutting the exit face of ... | 10/24/2006 |
| 7114227 | Structure yarn cylinder An improved structure yarn cylinder that is an improvement of “Yarn Cylinder with Trench” (Taiwan P/N 201810) accomplished by extending the circumferential length of the trench, disposing numerous teeth at differing angular orientations along the two lateral wal... | 10/03/2006 |
| 7102096 | Method and apparatus for electric-discharge machining of a turbine blade A method and apparatus for electric-discharge machining a turbine blade are provided. The method includes the steps of: a) preparing a disc material divided into an first portion and a second portion on a basis of a symmetrical line, b) fixing the disc material, wit... | 09/05/2006 |
| 7092787 | System and method for generating a control program A system for generating a control program for a machine includes an optical image acquisition device, in particular a scanner and a machine control system connected to the scanner. The machine control system includes an image processing module that associated image ... | 08/15/2006 |
| 7077945 | Cu—Ni—Fe anode for use in aluminum producing electrolytic cell A method of producing aluminum in an electrolytic cell containing alumina dissolved in an electrolyte, the method comprising the steps of providing a molten salt electrolyte at a temperature of less than 900° C. having alumina dissolved therein in an electrolytic c... | 07/18/2006 |
| 7072774 | System and method for determining and employing consumable use by electric arc welders A system and method for determining the approximate weight of metal consumables used by an electric arc welder over a period of welding time, the system comprises a program to calculate the total energy exerted by the welder over a period of welding, a divider to di... | 07/04/2006 |
| 7051635 | Ball-lock insert assemblies The invention provides a ball-lock insert assembly adapted to be mounted axially in a mount opening formed in a holder plate having a desired thickness. The ball-lock insert assembly comprises an insert body having an axis and an elongated interior recess extending ... | 05/30/2006 |
| 7030332 | Monitoring electrode condition in an electro-discharge machine A method and device for monitoring the condition of an electrode in an electro-discharge machine are disclosed. The device includes an electrode detector operable to produce a position signal indicative of the position of an end region of the electrode in the nose-g... | 04/18/2006 |
| 7015411 | Erosion system having an erosion head for removing metallic connection elements Spark erosion system for removing connection elements from a structure (W, 60), having a drill head (3) [(4)?], a rotational drive (10) by means of which a tool is caused to rotate, a positioning system (15) for moving the tool as ... | 03/21/2006 |
| 7012212 | EDM drill An EDM drill comprised of an automated electrode tube replacing means to allow fully automated and continuous working on holes; and further comprised of an electrode tube guide selection device to allow fully automated and continuous working on holes of various diam... | 03/14/2006 |
| 7009134 | Electrode guide for spark-erosion machines and a method for the spark-erosion of workpieces An electrode guide and a method for the spark-erosion of workpieces are disclosed. The electrode guide (1), consisting of a two-piece prism-shaped (2, 3) guide with a pretensioning device (6), enables an electrode (4) to be guided in a pl... | 03/07/2006 |
| 7004693 | Tool, tool holder, and machine tool A tool attachable to a spindle of a machine tool by an automatic tool changer in the same way as an ordinary tool, capable of being driven without connecting with an external power supply etc., and able to rotate at a rotational speed different from than that of the... | 02/28/2006 |
| 7000966 | Pick-and-place tool A pick-and-place tool releasably retains a part during a pick-and-place operation by an automated device. The pick-and-place tool includes a front structure having a first bore disposed therein for receiving a shaft extending from the part. A plurality of locking me... | 02/21/2006 |
| 7002094 | Electrical discharge machining electrode holder An electrode holder for EDM machines using automatic tool changing techniques provides a base plate that may be attached to an adapter of third party chuck systems and a simple compressed slot mechanism for holding the electrode without the need for epoxy or the lik... | 02/21/2006 |
| 6998563 | Carbon nanotube apparatus for surface discharge polishing A carbon nanotube apparatus for surface discharge polishing using a transistor discharge circuit includes a signal generator having a integrated circuit for generating square wave; a photo coupler for isolating a cathode of the apparatus and an anode for processing;... | 02/14/2006 |
