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8183494 |
Method for connecting a sheet metal component, such as a pipe, to a cast metal component, such as a housing port, in particular for an exhaust system
In the method according to the invention for connecting a sheet metal component (3) to a component (5) consisting of cast metal, the sheet metal component (3) and the component (5) are welded to...
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8158906 |
Welding method and welding device
Conventional welding methods have the disadvantage of producing worse welded joints at the beginning of the process than in the later course of the method. The method in question uses an...
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8158905 |
Arc welding initiation system and method
A method and apparatus for controlling arc shielding gas during an arc welding operation is disclosed. The method may include the steps of actuating a first valve connected to an arc initiation...
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8153933 |
Welding control apparatus and method
The present invention provides a welding control apparatus including: a droplet separation detecting unit that detects separation of a droplet from a tip end of welding wire; and a waveform...
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8097826 |
Penetration enhancing flux formulation for tungsten inert gas (TIG) welding of austenitic stainless steel and its application
A Penetration Enhancing Activating Flux (PEAF) in paste form for autogenous TIG welding of austenitic stainless steels adapted for ready application with a brush on top weld surface prior to...
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8097831 |
Use of an activating flux for the TIG welding of metal parts
A method for welding two metal parts, in which: the metal parts are positioned against each other in a welding position, the parts being respectively in surface contact along their welding...
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8080763 |
Method of controlling arc welding and welding apparatus
A wire feeding speed is decreased to a level lower than a base wire feeding speed in a short-circuiting period, and set to the base wire feeding speed in an arcing period. During the arcing period,...
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8076612 |
Method for the continuous laying of a conductor on a printed circuit board and device for carrying out said method
A method provides for welding a conductor to a conductive film which is suited for connection to a circuit board support in order to produce a printed circuit board. The depth or diameter of the...
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8063340 |
Method for controlling the consistency of an arc welding process by monitoring welding voltage to determine weld droplet detachment
A method is provided for monitoring and controlling the process consistency of an arc welding process. The weld voltage signal is monitored and analyzed to determine the occurrence of the...
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8058583 |
Apparatus and method for electroslag welding of rails
A method of welding two members together wherein welding material is melted in an electrically heated molten slag, and forms a pool of molten welding material beneath the molten slag. The end...
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8049131 |
Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same
The present invention, in a welded joint of steel sheets and a steel pipe body having a tensile strength of 800 MPa or more (over X100 in API Standards), provides: the welded joint of the steel...
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8049141 |
Method of rating a stick electrode
A method of rating the arc maintainability of an electric arc welding stick electrode by creating an arc between the electrode and a workpiece; moving the electrode along the workpiece while...
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8042253 |
Method of manufacturing a golf club head, of the wood type, by assembling welding, and finish grinding the weld joints
A club head manufacture method has steps of: (a) providing a sole base, a crown cover and a striking face plate; (b) assembling a club head; (c) fore-welding the club head; (d) post-welding the...
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7974733 |
Automatic estimation of weldgun size using section geometry
A method for estimating a plurality of geometrical parameters defining the size of a weld gun that has particular application for automatically selecting a weld gun for a welding operation. The...
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7951465 |
Joined body of dissimilar materials comprising steel material and aluminum material, and joining method therefor
To provide a steel-aluminum welded material and a spot welding method therefor having high weld strength. The steel-aluminum welded material 3 includes a steel material 1 and an aluminum material 2...
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7939182 |
Filler wire for welding aluminum alloys
An aluminum-based welding filler wire is made with an aluminum alloy that contains between 0.1 and 6 wt. % titanium, including one portion in the form of TiB2 particles, TiC particles, or a...
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7919181 |
Conductive, organic coatings with low layer thickness and good plasticity
The invention relates to a metal sheet, or a component made of a metallic material, comprising a layer system on the surface with at least the following layers: a) a conversion layer, comprising no...
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7915566 |
Weld filler, use of the weld filler and welding process
The invention relates to a weld filler and to a use of a weld filler which significantly improves the weldability of some nickel-based superalloys and includes the following constituents (in wt %):...
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7858904 |
System and method of controlling auxiliary/weld power outputs of a welding-type apparatus
A system and method of controlling available power of an auxiliary output of a welding-type power source is disclosed. The welding-type power source is configured to supply power to a variable...
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7838797 |
Fuel saving engine driven welding-type device and method of use
The present invention is directed to a welding-type power source that includes a power source housing and an engine arranged in the power source housing to supply electrical power. An energy...
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7800018 |
Method and system of welding with adaptive crater fill control
The present invention is directed to a system and method of automatically adjusting the operating parameters of a welding-type system based on the type of welding being carried out. The invention...
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7767933 |
Method and apparatus for controlling a short circuit during a MIG welding process
Methods and systems for clearing short circuits during a MIG welding process are disclosed. A method may include detecting a short circuit and increasing output current of a power source at a first...
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7759603 |
Method and device for combined laser-arc welding with control of laser unit according to welding torch
A method for combined laser-arc welding and a device for combined laser-arc welding uses a device for controlling a laser unit for producing a laser beam according to a welding torch for producing...
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7741580 |
Method of welding a pipe/connector joint
A method for welding a pipe section and a connector, where each of the pipe and connector have inner and outer beveled surfaces forming only a single angular alignment land when mated. The pipe and...
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7732733 |
Ferritic stainless steel welding wire and manufacturing method thereof
The present invention provides a ferritic stainless steel welding wire which allows prevention of wire breaking, fine refining of crystal grains, and increased cracking resistance. A wire rod used...
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7714252 |
System and method for a temperature dependent duty cycle within a welding-type apparatus
A duty cycle controller having a processor configured to control a welding-type apparatus is disclosed. In one embodiment, the processor may be configured to control the welding-type apparatus...
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7705269 |
Method and apparatus for advance warning and controlled shutdown in an arc processing system
Warning and shutdown systems and methods are presented for providing advance warnings of pending fault conditions to an operator of an arc processing system. The warning system comprises an input,...
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7650964 |
Arrangement of parts and a respective manufacturing method
An arrangement of parts having a first part in the form of sheet metal which is in contact with the second part along an edge and is fixedly connected to the second part via at least one weld. To...
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7645960 |
Coded welding consumable
A welder for performing a welding process which includes a wire feeder and a code reader. The code reader is designed to obtain information from the welding wire based on a plurality of different...
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7525067 |
Dual wire welding torch and method
A welding torch includes a nozzle with a first welding wire guide configured to orient a first welding wire in a first welding wire orientation, and a second welding wire guide configured to orient...
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7507933 |
Method for fabricating a rotor shaft
A method for fabricating a rotor shaft using a welding process. The method includes positioning a first rotor shaft section adjacent a second rotor shaft section, and using a submerged arc welding...
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7498543 |
Method for joining or repairing metal surface parts
A method of joining or repairing metal surface structures. Joinder and/or repair of metal or metal-polymer laminate panels may be carried out using so-called “cold metal transfer” gas metal arc wel...
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7495193 |
Pipe seam tack welding methods and apparatus using modified series arc welding
Welders and methods are presented for short-circuit arc welding a workpiece using a modified series arc welding configuration with two electrodes via a sequence of welding cycles, in which each...
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7485826 |
Wire-guide nozzle assembly for a robotic TIG welding torch
The invention relates to a wire-guide/nozzle assembly (11, 13) for an electric arc welding torch, comprising at least one nozzle (11) for delivering gas and at least one wire-guide system (13) for...
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7485829 |
Method of producing solid wire for welding
A method for efficient production of a welding solid wire free of copper plating. The method consists of drawing by means of roller dies with the help of a dry solid lubricant for drawing which is...
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7408130 |
YAG laser induced arc filler wire composite welding method and weldimg equipment
A combined welding method with a filler wire using both a YAG laser and an electric arc, and a combined welding device with a filler wire using both a YAG laser and an electric arc. The welding is...
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7388170 |
Preparing a protective gas mixture for arc joining
This invention provides a method for on-site production of a protective gas mixture for arc joining, in particular for arc welding. Gaseous argon is removed from a liquid argon supply and helium is...
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7380384 |
Layout for shop window construction, as well as a window frame, glazed door and/or similar, composed of such a layout
A layout for shop window construction includes a dormant frame and an opening frame of a closed tubular section defining an internal volume, the opening or dormant frames appearing in the form of...
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7371994 |
Buried arc welding of integrally backed square butt joints
Buried arc welding is employed to fuse together a first component, a second component, and a third component or an underlying portion of the second component, the first and second components in...
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7312416 |
Apparatus and methods for underwater welding
A lower housing having a lower chamber and a welding opening is fixed about an underwater weld site. The lower housing includes an upper opening, the lower housing being filled with water upon...
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7307238 |
Determining quality of a stick electrode
A method of measuring the quality of a stick electrode used in forming the root bead of a pipe joint, which electrode has a wire diameter, a length substantially greater than 12 inches and an upper...
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7304268 |
Method for rating stick electrodes for pipe welding
Stick welding electrode rating and ranking procedures are provided for determining stackability performance of stick electrodes for pipe welding operations. The rating technique involves...
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7297900 |
Bypass weld torch
Methods of arc welding and an arc welding assembly comprise a power source configured to provide a welding current, and a single weld housing. The weld housing comprises a welding torch, which...
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7288737 |
Laser/MIG hybrid welding process with a high wire speed
Methods for hybrid laser/MIG welding processes. A bevel formed between the edges of material to be welded together is partially filled with molten metal. The molten metal is delivered in the form...
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7253377 |
System and method of joining overlapping workpieces
An improved fusion welding system having a perforating device and a heating combination is adapted for welding in tandem a set of adjacent overlapping workpieces. The system preferably includes a...
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7214899 |
Process for the continuous production of longitudinally welded metal tubes
A process for the continuous production of longitudinally welded metal tubes where a metal strip (1) is drawn from a strip supply and gradually shaped into a slit tube in a shaping station (2). The...
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7211765 |
Shielding gas and arc-welding method
The invention relates to a shielding gas for use in the arc welding of metallic work pieces. The invention further relates to a process for the arc welding of metallic work pieces using consumable...
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7189941 |
Process for making heterogeneous joints under shielding gas
In joining heterogeneous materials that differ in their melting points, a shielding gas mixture with active gas content is utilized. In particular, the shielding gas mixture contains helium and...
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7180030 |
Method for rating and/or ranking welding electrodes
Methods are disclosed for rating a welding electrode and/or for ranking two or more electrodes with respect to gas tracking effects in gas shielded flux cored arc welding processes. The methods...
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7173215 |
Method for evaluating and/or comparing welding consumables
Methods and systems are disclosed for characterizing a welding consumable, such as flux or an electrode, and/or for comparing two or more welding consumables for use in narrow gap deep groove...
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