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| Number | Title | Issue Date |
| 8178817 | Spot welding tongs for robotic applications in resistance welding of workpieces Spot welding tongs for robotic applications in resistance welding of workpieces, in particular sheets, comprise tong arms, mounted such as to pivot on a base body. These tongs which may be adjusted and to which electrode holders for the electrodes are fixed and a wi... | 05/15/2012 |
| 7538293 | Spot welding tool for resistance welding of workpieces The invention relates to a device for protecting an electrode during the resistance welding of workpieces, in particular sheet metal. Said device comprises a strip that is placed over the electrode and can be displaced in relation to the latter, a backing material o... | 05/26/2009 |
| 7538294 | Welding electrode and method A welding electrode has a body having a shank and a contact region for placement against a workpiece during welding. A portion of the body may be formed on a parabolic profile. A coating is formed on the contact region. The coating may have a first layer, and a seco... | 05/26/2009 |
| 7514647 | Phase change resistance spot welding tip An improved spot welding tip is adapted for welding a set of adjacent members within a heated zone during a welding program, wherein a quantity of energy is produced, and for reducing the final base temperature of the heated zone. The tip presents a distal engaging ... | 04/07/2009 |
| 7473865 | Electrode protection device, spot-welding tool and resistance welding method A device for protecting an electrode during the resistance welding of workpieces, particularly of metal sheets, is made of a strip that is placed over the electrode, in a manner that enables it to be displaced in relation thereto. In order to reduce the wearing of t... | 01/06/2009 |
| 7432466 | Method of electrical resistance spot welding A method of resistance welding comprising the steps of contacting a metal sheet with an electrode having an initial contact surface area at a force to provide a pressure to the metal sheet applying a current through the electrode to the metal sheet; measuring dimens... | 10/07/2008 |
| RE40265 | Resistance welding electrode and process for making A process is provided for forming a resistance welding electrode. The process includes the step of providing a billet formed from a high conductivity metal. The billet includes a first portion having a first inner cavity formed therein. The process further includes ... | 04/29/2008 |
| 7364394 | Break away fastening system A fastening system is providing, the fastening system has a weld stud having an annular weldment portion and a fracturable nut. The fracturable nut and stud construction is configured to fail under torsional load prior to the structural parts failure. ... | 04/29/2008 |
| 7355142 | Resistance welding electrode, welded copper flex lead, and method for making same A method and an electrode for welding a stranded metal workpiece to a substrate workpiece using electrical-resistance welding is provided and a weldment article of manufacture made thereby. More particularly, the method and electrode are best suited for welding a st... | 04/08/2008 |
| 7347880 | Flat capacitor having staked foils and edge-connected connection members A method of joining a connection member to a capacitor foil using a staking tool having a tip of less than 0.030″ (0.762 mm) in diameter. Another embodiment couples multiple connection members of a capacitor together by edge-connecting each connection member to it... | 03/25/2008 |
| 7337940 | Apparatus and method for friction stir welding of high strength materials, and articles made therefrom An apparatus for friction stir welding, a weld tool for friction stir welding, and a method for making a weld tool for friction stir welding are presented. The weld tool comprises doped tungsten. A method for manufacturing an article, where the method comprises prov... | 03/04/2008 |
| 7322507 | 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 transferring and concentrati... | 01/29/2008 |
| 7291801 | Electrode for projection welding In an electrode for projection welding, an end cover (10) of metal having a through hole (19) is attached to the end of a main body (6) of metal having a cylindrical shape, a guide sleeve (12) of insulation material is disposed in the mai... | 11/06/2007 |
| 7282664 | Resistance welding fastener electrode A welding assembly is provided for welding a fastener to an object such as a vehicle body panel. The assembly includes a weld gun having first and second electrodes movable relative to one another between an open position and a closed position. The first electrode i... | 10/16/2007 |
| 7265313 | Method and apparatus for improved cooling of resistance welding cap According to the invention a hollow cylindrical shank of electrically conducting metal is connected to a resistance welder. A coolant supply tube passes through the shank and has an interior coolant supply passage. The coolant supply tube has an outer diameter less ... | 09/04/2007 |
| 7259349 | Method for monitoring the quality of spot welding A method for monitoring the quality of spot welding, in particular for robotic applications. Workpieces, such as metal sheets are welded together using spot welding tools. The sheets are placed between at least two electrodes, which are pressed against one another a... | 08/21/2007 |
| 7257872 | Electrode tip dresser An electrode tip dresser is disclosed which can dress a pair of electrode tips to a usable state while achieving a desired accuracy of a tip surface of each electrode tip including an angular portion at a peripheral edge of the tip surface, without separating each e... | 08/21/2007 |
| 7256365 | Electrode holder with integrated ultrasound sensor A connecting element for connecting and/or fixing an electrode with an electrode arm of a welding apparatus has a base body; and a sensor selected from the group consisting of a sensor for introducing ultrasound waves into an electrode, a sensor for receiving ultras... | 08/14/2007 |
| 7250585 | Robotic welding system and method for welding projection weld nuts A system and method for welding projection weld nuts to a work piece. The system and method of the present invention generally makes use of a fixtured work piece having one or more projection weld nuts associated therewith. A resistance welding robot is used to weld... | 07/31/2007 |
| 7249482 | Electrode texturing tool and method of use thereof An article for texturing an electrode having a tip hardness and a tip contour is disclosed. The article includes a plate having an upper surface and a lower surface, and an indentation in at least one of the upper and the lower surface. The indentation includes a te... | 07/31/2007 |
| 7175687 | Advanced erosion-corrosion resistant boride cermets A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, ... | 02/13/2007 |
| 7175686 | Erosion-corrosion resistant nitride cermets The invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Si, Mn, Fe, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W and mixture... | 02/13/2007 |
| 7132619 | Plasma arc torch electrode A variety of electrodes for use in a plasma arc torch are provided that improve cooling between the electrode and an adjacent cathodic element such as a cathode. At least one passageway is formed between the electrode and the cathode for the flow of a fluid, e.g. co... | 11/07/2006 |
| 7126078 | Sub-micron adjustable mount for supporting a component and method An arrangement is provided including an electrode extending to an electrode tip for contacting a workpiece. A welding configuration of the electrode tip is established by exposing the electrode tip to a selected welding environment for use in forming a weld having a... | 10/24/2006 |
| 7126077 | Resistance welding of high strength steels The formation of spot welds in high strength steel workpieces is improved by using welding electrodes with annular, or donut shaped welding tips for the formation of the molten metal weld pool at the weld site. The annular poll solidifies to form an annular weld nug... | 10/24/2006 |
| 7112757 | Programmable resistance seam welding apparatus and method A resistance welding apparatus having a pair of programmable ball electrodes carried on universally movable positioners. The positioners are programmed to move the ball electrodes simultaneously along a seam line so that the ball electrodes clamp and support opposit... | 09/26/2006 |
| 7098422 | Electrode element for plasma torch and method for the production An electrode element for plasma torches and a production method for such electrode elements. The electrode element for plasma torches includes at least one core made of a metal or a metal alloy having a smaller work function that forms the actual electrode connected... | 08/29/2006 |
| 7094987 | Hollow thermal spray electrode wire having multiple layers An electrode wire for use in a thermal spray process. The electrode wire is formed with a first layer of a first material formed as tubular outer layer and a second layer of a second material, different from the first material, formed as a tubular inner layer locate... | 08/22/2006 |
| 7078648 | Curved electrode for welding A curved electrode includes an installing portion to be installed in an electrode holder, an offset portion by which the offset amount is obtained, and a tip portion which comes into contact with the material to be welded W, the portions being formed separately and ... | 07/18/2006 |
| 7074253 | Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance Cermets are provided in which a substantially stoichiometric metal carbide ceramic phase along with a reprecipitated metal carbide phase, represented by the formula MxCy, is dispersed in a metal binder phase. In MxCy M is ... | 07/11/2006 |
| 7075028 | Sub-micron adjustable mount for supporting a component and method Attaching an attachment surface of an electrically conductive workpiece to an electrically conductive support surface is described. In one aspect, a biasing force is distributed at least partially around a weld region of the workpiece to urge the attachment surface ... | 07/11/2006 |
| 7037621 | Cell, cell production method, welded article production method and pedestal A metal plate and an electrode in a polymer lithium ion secondary battery or the like are welded certainly, and it is accomplished to further improve the reliability and the durability thereof. Each of an upper metal plate (7a) and a lower metal plate ... | 05/02/2006 |
| 7022934 | Connecting adapter for weld electrode An electrically and thermally conductive adapter for connecting a weld electrode to a tip holder portion of a welding device. The adapter has a first, threaded end, for removable engagement with a like-threaded receiving cavity in the tip holder. The threads may be ... | 04/04/2006 |
| 7012213 | Reel wire type of welding device for spot welding A reel wire type of welding device for spot welding includes a first guiding portion rotatably mounted in a front end of the welding device such that the wire is supported and guided in a working area in which the wire contacts a target object. At least one second g... | 03/14/2006 |
| 6993881 | Joist assembly and chord for use in such joist assembly A joist assembly having a top chord with a slot formed therein, a bottom chord with a slot formed therein, and a tubular member of serpentine configuration having an upper portion received within the slot of the top chord and a lower portion received within the slot... | 02/07/2006 |
| 6931729 | Method for manufacturing a filler neck In response to the recent various requests, the present invention provides a method for manufacturing filler neck to facilitate jointing a mouthpiece and a feeding pipe which were manufactured separately into an integrated filler neck having an excellent hermeticity... | 08/23/2005 |
| 6911616 | Weld gun assembly A weld gun for performing a welding operation on a workpiece includes a pair of opposing arms, at least one arm movable relative to the opposing arm to apply pressure to the workpiece during a welding operation. A pair of identical or mirror image side plates suppor... | 06/28/2005 |
| 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 |
| 6906279 | Resistance welding fastener electrode A welding assembly is provided for welding a fastener to an object such as a vehicle body panel. The assembly includes a weld gun having first and second electrodes movable relative to one another between an open position and a closed position. The first electrode i... | 06/14/2005 |
| 6903299 | Resistance welding tip assembly A resistance welding tip assembly having a welding tip support to which a welding tip is secured. A sleeve is constructed of an electrical insulating material, such as ceramic, and the sleeve includes a throughbore along a preset axis. The sleeve is slidably mounted... | 06/07/2005 |
