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| Number | Title | Issue Date |
| 7217905 | Weld filler metal that reduces residual stress and distortion A filler metal including not more than about 0.1% C, not more than about 1.0% Si; not more than about 0.8% Mn; from about 10.5% to about 13.0% Cr; from about 0.65% to about 4.0% Ni; from about 10(% C) to about 1.5% Ti; not more than about 0.5% each of N, S, P, Mo, N... | 05/15/2007 |
| 6911619 | Plasma cutting torch electrode with an Hf/Zr insert An emissive electrode insert formed from an alloy containing hafnium and zirconium. The insert typically contains at least about 80% hafnium by weight and about 0.1 to about 8% zirconium by weight. The invention also relates to a plasma torch electrode formed from a... | 06/28/2005 |
| 6818861 | Discharge electrode for a wire bonding apparatus A straight rod form discharge electrode used in a wire bonding apparatus. The electrode core material is covered, except for its tip end, by an alumina film that has been subjected to a pore sealing treatment. The alumina film subjected to the pore sealing treatment... | 11/16/2004 |
| 6547892 | Flux cored wire with superior cracking resistant property for welding ferrite stainless steel A flux cored wire for welding a ferrite stainless steel is disclosed. The flux cored wire includes in weight %, 0.04% or less of C, 0.1~1.0% of Si, 0.1~1.0% of Mn, 0.02% or less of P, 0.02% or less of S, 10~25% of Cr, 0.3~1.5% of Ti+Nb, 0.04% or less of N... | 04/15/2003 |
| 6511632 | Cathode material of electron beam device and preparation method thereof A cathode material of an electron beam device comprising 0.5 to 9.0% by weight of a rare-earth metal of the cerium group, 0.5 to 15.0% by weight of tungsten and/or rhenium, 0.5 to 10% by weight of hafnium and the balance of iridium is provided. Since the ... | 01/28/2003 |
| 6478843 | Anti-adherent coating and method for the production thereof An anti-adhesion coating for welding and/or soldering devices and electric contacts for reducing the adhesion of metallic contaminations on their surfaces includes a diamond-like carbon layer.... | 11/12/2002 |
| 5649355 | Welding electrode with flat blade and related method of manufacture A welding electrode for providing a significant improvement in the detrimental tensile residual stress condition on the root side of welds, especially on the inside wall of piping welds. The electrode has a tungsten alloy blade. The blade is made from she... | 07/22/1997 |
| 5527441 | Welding electrode with flat blade A welding electrode for providing a significant improvement in the detrimental tensile residual stress condition on the root side of welds, especially on the inside wall of piping welds. The electrode has a tungsten alloy blade. The blade is made from she... | 06/18/1996 |
| 5424127 | Ribbon for coating by torch spraying and its use for depositing a quasi-crystalline phase on a substrate The invention relates to a ribbon or bead for coating by torch spraying and its use For depositing a quasi-crystalline phase on a substrate. The bead or ribbon (1) comprises a core having an organic binder and a powder or a mixture of powders able to Form... | 06/13/1995 |
| 5124528 | Gas tungsten and plasma arc welding electrode having a carbide emitter end An improved welding electrode with a high current capacity that is non-consumable for use in gas tungsten arc welding and in plasma arc welding in which the electron emission capability of the electrode is increased and enhanced by the material compositio... | 06/23/1992 |
| 4678718 | Process and usage of ceriated tungsten electrode material The mentioned ceriated tungsten material is a non-radioactive, hardly consumable or nonconsumable matallic electrode material, utilized in the inert gas shield arc welding, plasma welding, cutting, spray coating and smelting. It can also be used as electr... | 07/07/1987 |
| 4508955 | Electrode for the TIG welding process An electrode suitable for the TIG welding process, in which the welding arc produced by contact-less ignition between the tip of the electrode and the workpiece burns within an inert gas atmosphere and the application of the weld material is effected by a... | 04/02/1985 |
| 4394560 | Covered electrode containing zirconium for shielded metal arc welding A covered electrode for shielded metal arc welding, which is particularly suitable for use in build-up welding operation for the purpose of providing hard surface to a metal die. The covered electrode comprises such amounts of Ni, Si, B, Nb, C and Zr as e... | 07/19/1983 |
| 4392047 | Non-consumable electrode A non-consumable electrode for use in arc and plasma devices in an inert gas atmosphere comprising a holder and an active portion made of a refractory metal with emission admixtures, the active portion being connected with the holder so that its outer sid... | 07/05/1983 |
| 4373127 | EDM Electrodes A precision molded electrical discharge machining electrode is made by shaping a preform from granules of carbon and granules of a refractory material selected from the group consisting of tungsten, molybdenum, carbides thereof, and stoichiometric and hyp... | 02/08/1983 |
| 4343983 | Non-consumable composite welding electrode An improved tungsten inert gas-shielded non-consumable composite welding electrode having a solid tungsten rod center (12) and a concentric outer sleeve (14) substantially lower in electrical resistivity than the tungsten rod, bonded adhesively and cohesi... | 08/10/1982 |
| 4304984 | Non-consumable electrode for plasma-arc welding A non-consumable electrode for plasma-arc welding in an atmosphere of carbon dioxide or carbon-dioxide-based mixtures, includes a holder of copper or copper alloys and an active insert of hafnium embedded in the holder, with a hafnium oxycarbide layer dis... | 12/08/1981 |
| 4300034 | Gas tungsten arc welding torch A gas tungsten arc welding torch having an elongated gas nozzle (18) with an oblong cross section designed for deep groove, narrow gap welding. The nozzle is rotatably coupled to and communicates with a gas port within the main torch body (16) and defines... | 11/10/1981 |
| 4229873 | Method of producing nonconsumable electrode for use in arc techniques A method of producing a nonconsumable electrode comprising forming a blind hole in the working end face of a high-melting core of the electrode, partially filling the blind hole with doping agents and then filling the remaining portion of the hole with a ... | 10/28/1980 |
| 4074718 | Electrosurgical instrument An electrosurgical instrument comprising a support member; at least one electrode mounted on the support, the electrode consisting essentially of a material having a figure of merit of at least 0.15 at room temperature where the figure of merit is the pro... | 02/21/1978 |
