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| Number | Title | Issue Date |
| 7915561 | Apparatus for coating a pipe surface A wear resistant coating is applied on an elbow or S-bend by weld beads applied along a pipe. A rectangular support rod is attached inside the pipe by connectors so that wheels of the carriage are guided on the corners to maintain a fixed orientation relative to the... | 03/29/2011 |
| 7582843 | Method for producing a variable flow of melted material and articles therefrom A method for generating a variable flow of melted material is disclosed. The method includes providing first and second members having a potential energy difference between them. One or more members is extended at a first average extension rate for a first period wh... | 09/01/2009 |
| 7554052 | Method and apparatus for the application of twin wire arc spray coatings Methods and apparatuses are disclosed for applying a twin wire arc spray composite coating to achieve surface effects on a substrate having predetermined characteristics. ... | 06/30/2009 |
| 7341763 | Thermal spraying device and thermal spraying method A thermal spraying device with a first blowing mechanism for lengthening a droplet formed near the tips of thermal spraying materials by arc, and a second blowing mechanism for a blowing a tip portion of the lengthened droplet to atomize it into droplets and to scat... | 03/11/2008 |
| 7342195 | Customizable ion fusion formation system and process A customizable ion fusion formation system and method is used to repair a targeted repair region of a workpiece with successive layers of feedstock material. The system includes a moveable positioning platform and a control platform positioned separate and apart fro... | 03/11/2008 |
| 7304267 | Method and a device for depositing a welding material in an annular facing machined in a spherical wall Welding material is deposited automatically in the annular facing. A welding torch is causes to rotate about an axis of rotation that extends in a direction that is radial relative to the spherical wall and that passes through a point of the concave inside surface o... | 12/04/2007 |
| 7291807 | TIG welding equipment and TIG welding method TIG welding equipment includes a first articulate robot having a first arm, a TIG torch holding member for holding a TIG torch at a specified position so that the TIG torch can perform a weaving operation, and a filler wire guide moving member formed so as to surrou... | 11/06/2007 |
| 7271364 | Laser welding fixture and method A laser welding fixture for holding a workpiece includes a base, a processing head adapted to magnetically couple to the base, and a collet. The processing head has at least one collet holder assembly and at least one stop. The collet is removably coupled to the hol... | 09/18/2007 |
| 7249993 | Machining apparatus for skis having a binding The invention describes a machining apparatus for skis (5) having a binding (16), comprising a roller table (6) for the skis (5) resting with the running surface on the rollers (9) of the roller table, tools (2) provided bet... | 07/31/2007 |
| 7244910 | Welding torch nipple In accordance with one embodiment, there is provided a welding torch nipple for coupling a welding cable and neck assembly to one another. The exemplary nipple includes two hollow tubes: an inner tube disposed in an outer tube. The inner tube includes features that ... | 07/17/2007 |
| 7210638 | Electric arc spraying system An electric arc spraying system includes a spraying gun for thermally spraying an inner surface of an object such as a cylinder block by blasting compressed gas substantially perpendicularly to the supplying direction of target wires. The spraying gun is rotated by ... | 05/01/2007 |
| 7208695 | Welding shield gas and welding method A welding shield gas comprising an inert gas and nitrogen gas, where the concentration of the nitrogen gas is 1 to 95 vol %; or comprising an inert gas and a helium gas, where the concentration of the helium gas is 35 to 95 vol %; or comprising an inert gas, nitroge... | 04/24/2007 |
| 7196017 | Method for etching smooth sidewalls in III-V based compounds for electro-optical devices III-V based compounds are etched to produce smooth sidewalls for electro-optical applications using BCl3 together with chemistries of CH4 and H2 in RIE and/or ICP systems. HI or IBr or some combination of group VII gaseous species (B... | 03/27/2007 |
| 7194447 | System and method for processing welding data A system and method for evaluating the use of a welding process for welding a weld joint. The method comprises providing a user with requests for data to enable a processor-based system to establish various attributes of welding a specific weld joint using a specifi... | 03/20/2007 |
| 7171734 | Apparatus for aligning female connector in fixture for use in reconditioning of articulated connector An apparatus for semi-automatically reconditioning an articulated connector while it is still mounted to the end structure of a rail car is disclosed. The apparatus is mountable to the connector and measures to find areas and amounts of wear on portions of the conne... | 02/06/2007 |
| 7124960 | Electric arc wire burner The invention relates to an electric arc wire burner for spraying an electric arc, comprising at least two burner tubes (3) for feeding electrodes which are embodied in the form of wire (5). Said electrodes are guided through the burner tube (3)... | 10/24/2006 |
| 7028882 | Process and apparatus for boiler tube panel welding and straightening An apparatus and process for depositing an overlay weld on a boiler tube panel comprising a plurality of tubes with adjacent tubes joined together with membranes therebetween, and then straightening the panel in response to bowing that occurs as a result of depositi... | 04/18/2006 |
| 7020942 | Portable boring and welding machine A portable boring and welding machine includes a tool shaft adapted to mount tools for boring and welding workpieces. The shaft extends along an axis and is driven by an electric motor. The motor and the shaft are connected by a helical gearwheel and worm pair, the ... | 04/04/2006 |
| 7019249 | Method and an apparatus for arc spraying A method is proposed for arc spraying by means of a spray gun (1). The spray gun includes two electrically conductive spray wires (2) and at least one first supply device (3) for supplying a fluid (4), with an electrical voltage being app... | 03/28/2006 |
| 6983893 | Arc metalizing unit A microprocessor controlled arc metalizing unit includes a wire cassette and a drive mechanism cassette engaged in a separable manner. By disengaging the wire cassette and drive mechanism cassette, an operator has much greater control of the unit since the wire load... | 01/10/2006 |
| 6942568 | Gaming device having skill and dexterity element A gaming device is provided that requires the player to successfully perform a skill event and randomly receive a winning outcome to ultimately receive an award. The gaming device is suitable for gaming jurisdiction requiring skill. ... | 09/13/2005 |
| 6933468 | Aluminum metal-core weld wire and method for forming the same An aluminum metal-core weld wire, the sheath being aluminum, the metal-core having a composition that contains primarily metallic alloying powders e.g. Manganese nitride and/or barium. A method for manufacturing aluminum metal-core wire, the method including deposit... | 08/23/2005 |
| 6929335 | Crawler shoe with peening pads in roller path Each crawler shoe comprises a main body having an upper surface, a lower surface, and opposite lateral sides and opposite front and rear sides. Each crawler shoe further includes a mechanism on the main body for articulately and releasably connecting the crawler sho... | 08/16/2005 |
| 6884959 | Controlled composition welding method This invention relates to a method and apparatus for controlling the composition of a weld. More particularly it relates to welding using an electric circuit, thereby creating a weld puddle, and adding at least one filler that is electrically independent from the el... | 04/26/2005 |
| 6858813 | Weld overlay system A process for applying a weld overlay to a tube with a single pass of a weld head. An inverter-type alternating current pulsed power source, composed of a primary inverter and a secondary inverter, is used to control the melting rate of welding wire during welding o... | 02/22/2005 |
| 6825433 | Apparatus and method for forming a body A method of forming a hollow section body by deposition of a weld material includes the steps of providing a welding head 12 and a turntable 36 on which the body is to be formed, supplying a weld material to the welding head 12, the weld materia... | 11/30/2004 |
| 6825432 | Apparatus and method for forming a body A method of forming a body by deposition of a weld material comprises providing a welding head (12), providing a foundation (52) upon which the body is to be formed. A weld material is supplied from a supply (22). The welding head (12) an... | 11/30/2004 |
| 6737608 | Automated welding device for the buildup of material An apparatus, for providing a welding bead on a surface to be welded, comprises an arm supporting a welding torch in which the welding torch facilitates welding on a desired surface. A spindle supports the arm and the welding torch and at least a portion of an exter... | 05/18/2004 |
| 6727465 | Apparatus for overlay welding of a tube exterior An overlay welding apparatus for depositing an overlay weld on rotating tube stock. The apparatus comprises an elongate frame and supports for rotating the tube stock about a central axis thereof. The tube stock is inclined relative to horizontal when supported by t... | 04/27/2004 |
| 6683271 | Voltage controlled arc spray A process, whereas, the wire feed motor of the of twin wire arc spray process, receives its power from the same power circuit that creates the arc spray operation, thereby automatically changing the wire feed rate, as voltage changes occur in the spray pr... | 01/27/2004 |
| 6667460 | Inner torch An inner torch for the electric-arc spraying of cavities, in particular of cylinder contact surfaces. The inner torch as at least two torch tubes for heating electrodes. The electrodes are provided for melting purposes and are designed as wires which can ... | 12/23/2003 |
| 6663013 | Arc thermal spray gun apparatus An arc spray gun has a pair of wire guides that guide two metal wires to an arc zone near the wire tips where an electric current through the wires effect an arc, thereby melting the wire tips. The wire guides are of a two-part design. One part is easily ... | 12/16/2003 |
| 6653589 | Apparatus for welding An apparatus (10) for welding a bore of a work piece (24) includes a torch tube (18) carrying a welding torch (20). The torch tube is removably connected to a housing (12) which houses a rotating drive motor (14) for rotating the torch tube (18). A feed s... | 11/25/2003 |
| 6627839 | Dual-torch gas metal arc pulse welding for overlay applications An apparatus and process are shown for the application of welded metal overlay deposits to cylindrical substrates for use in wear, chemical, and temperature resistance. More specifically, this apparatus permits the application of welded overlay rotating b... | 09/30/2003 |
| 6621035 | Welding device with axial indexing mechanism A welding device that facilitates depositing of a welding bead on a surface to be built-up. The welding device includes a housing accommodating a rotatable spindle therein, a drive mechanism coupled to the spindle to facilitate rotation thereof, and a sec... | 09/16/2003 |
| 6603090 | Pulverulent filler and method for applying a wear-resistant layer Method for applying a wear-resistant layer comprising a nickel alloy matrix and intercalated tungsten carbides and/or vanadium carbides to a surface which is to be protected using arc welding or plasma welding.... | 08/05/2003 |
| 6600126 | Shell with a shell body and a process for the preparation of radially protruding guiding means on a shell body Guiding means being arranged on a surface area of a shell are made of high purity nickel by build-up welding. This avoids a drag-in of copper into a gun barrel foreseen for the launch of a shell. A production of the guiding means in the build-up welding p... | 07/29/2003 |
| 6596971 | Process for the MIG welding of nickel and nickel alloys with a shielding gas based on argon and CO2 Process for the MIG welding of nickel and nickel alloys, with the use of a gas shield for at least part of the welding zone, in which process the gas shield is a gas mixture containing from 0.05% to 0.5% CO2, the balance being argon. Advantageo... | 07/22/2003 |
| 6548783 | Apparatus for electric arc overlay welding An arc welding overlay apparatus that comprises a welding head carriage adapted for movement on a track, an index arm mounted for movement in a direction substantially transverse to the track, a slide mounted for movement in a direction substantially tran... | 04/15/2003 |
| 6486438 | Automated welding device for the buildup of material A rotary welding attachment member comprising a cam member having a cam surface and a rotatable base movable relative to the cam member. The rotatable base supporting a support rod and the support rod supporting a rider block which is movable along the su... | 11/26/2002 |
