Patents in subclass Electric Heating/By Spark Discharge

Parent class: Electric Heating

Number Patent title Issue Date
07322507 Transducer assembly, capillary and wire bonding method using the same

A transducer assembly and wire bonding method has a vibration unit for generating an ultrasonic wave. A body section is coupled to the vibration unit for transferring the ultrasonic wave. A tapered horn is coupled to the body section for...		 01/29/2008
07299966 Initial ball forming method for wire bonding wire and wire bonding apparatus

An initial ball forming method for wire bonding wire and wire bonding apparatus that uses: a capillary through which a wire is passed; a torch electrode made of a low-melting-point material that contains, for instance, tin; and a...		 11/27/2007
07164094 Apparatus and method for electrofriction welding

An apparatus and method arranged to use a combination of at least electrical resistance heating and mechanical friction heating to case a base material and/or a consumable material to reach a combination of temperature and pressure...		 01/16/2007
07084366 Method for controlling brazing

A method for making a braze joint across a discontinuity in a work piece using alternating current. A filler metal is pre-placed at a location sufficiently close to the discontinuity such that, when an alternating current is applied...		 08/01/2006
06994920 Fusion welding method and welded article

A fusion welding method is provided for fusion welding at juxtaposed interface surfaces a first member, for example made of a first metal based on at least one of Ru, Rh, Pd, and Pt, with a second member made of a second metal, for...		 02/07/2006
06877210 Electrofriction method of manufacturing squirrel cage rotors

A method of making a squirrel cage rotor of copper material for use in AC or DC motors, includes forming a core with longitudinal slots, inserting bars of conductive material in the slots, with ends extending out of opposite ends of the...		 04/12/2005
06874673 Initial ball forming method for wire bonding wire and wire bonding apparatus

A wire bonding apparatus having a capillary with a wire passing therethrough; and when the switch of a first direct-current high-voltage power supply is switched ON, a space discharge takes place between the tip end of the wire and a...		 04/05/2005
06835908 Method and apparatus for electrospark deposition

A method and apparatus for controlling electrospark deposition (ESD) comprises using electrical variable waveforms from the ESD process as a feedback parameter. The method comprises measuring a plurality of peak amplitudes from a series...		 12/28/2004
06426476 Laminated rare earth structure and method of making

A laminated structure having two or more layers, wherein at least one layer is a metal substrate and at least one other layer is a coating comprising at least one rare earth element. For structures having more than two layers, the coating...		 07/30/2002
06417477 Method and apparatus for electrospark alloying

An electrospark alloying apparatus includes a main body member, a collet coupled to the main body member, and a heat sink adjacent the collet. The collet is adapted to receive and hold a consumable electrode. The apparatus can also...		 07/09/2002
06384365 Repair and fabrication of combustion turbine components by spark plasma sintering

A method of consolidating or repairing turbine component parts, such as turbine blades (10), requires providing a turbine component part (60, 61, 62, 63), establishing a contact pressure between the opposing surfaces (40, 42), where,...		 05/07/2002
06376793 Method and device for electric discharge surface treatment using a wire electrode

An electric discharge is generated between an electric discharge surface treatment electrode and a wire electrode, and an electric discharge surface treatment material is stuck on the surface of the wire electrode by the energy of the...		 04/23/2002
06336950 Electrode rod for spark deposition, process for the production thereof, and process for covering with superabrasive-containing layer

An aspect of this invention is an electrode rod for spark alloying, comprising a compact of a first powder of a first component which comprises a metal selected from a group of Fe, Co, Ni, metals of 4a, 5a and 6a of the periodic table and...		 01/08/2002
06300588 Manufacture of repair material and articles repaired with the material

A process for the manufacture of repair material. The repair material is ductile and readily mechanically deformed and can be used in the repair of turbine components. The process comprises providing a directionally solidified material,...		 10/09/2001
6020568 Electro mechanical process and apparatus for metal deposition

A process is described for the diffusion or metallizing of one electrically conductive metallic material into and on to the matrix of a second electrically conductive metallic material. The process will occur when the second material is...		 02/01/2000
5980681 Process for treatment of metal workpiece surface by electrical discharges

A process and an apparatus that can be used for surface preparation and treatment of a metal workpiece surface, for example in a processing stage prior to adhesive assembly, without using environmentally harmful materials. The process...		 11/09/1999
5869798 Wear resistant materials having excellent wear resistance and method of manufacturing the material

The present invention relates to a wear resistant materials having excellent wear resistance and a method of manufacturing the materials, comprising a process that lugs are formed on surface by electro-sparking welding apparatus having a...		 02/09/1999