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WO/2012/007663 |
The invention relates to a hybrid laser/arc-welding method using an electric arc and a laser beam that are combined together within a single welding bath, to which molten metal is supplied by melting a filler wire, wherein the welding ba...
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WO/2012/007664 |
The invention relates to a hybrid laser/arc-welding method using an electric arc and a laser beam that are combined together within a single welding melt to which molten metal is supplied by melting a filler wire, wherein the welding mel...
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WO/2012/004106 |
The invention relates to an electrically conductive connection between two contact surfaces (1, 2) by means of a metal wire or metal strip (4) that is bonded to the contact surfaces (1, 2). At least one of the ends of the metal wire (4) ...
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WO/2011/138667 |
A welding system (300) is provided, in which two electrodes (E1, E2) are directed at a joint between two work pieces (WP1, WP2) and the electrodes (E1, E2) are energized with DC pulse or AC welding waveforms at a controlled waveform phas...
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WO/2011/103012 |
A method of welding a joint (120a, 120b) includes directing a first output (110 ') from a high energy density heat source (110), such as a laser, against a first side (114a) of the joint. The method further includes directing a second ou...
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WO/2011/076109 |
A low-power laser and arc hybrid welding method includes the steps of matching laser pulses with arc phases, and inducing compress arcs by the laser pulses. A laser peak pulse is triggered from half of the positive half-wave to half of t...
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WO/2011/052903 |
The present invention relates to a stainless steel joining method, and more particularly, to a stainless steel joining method which involves forming a narrow and deep welding bead, and enables a degradation in fatigue strength against th...
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WO/2011/052903 |
The present invention relates to a stainless steel joining method, and more particularly, to a stainless steel joining method which involves forming a narrow and deep welding bead, and enables a degradation in fatigue strength against th...
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WO/2011/042007 |
The invention relates to a method for connecting a first component, in particular a gas-turbine blade, a gas-turbine blade segment (10), or a gas-turbine blade ring, said first component being made of a material that is not suitable for ...
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WO/2011/043127 |
Disclosed is a rotating tool for welding an inner corner excellent in economic efficiency and an inner corner welding method using the rotating tool for welding the inner corner. The rotating tool (1) for welding the inner corner which p...
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WO/2011/029462 |
The invention relates to a method for processing workpieces (12) by means of a laser apparatus and an arc apparatus, wherein one or more arcs of the arc apparatus are guided by a laser beam (19) of the laser apparatus as a guide apparatu...
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WO/2011/000674 |
The invention relates to a method for producing a cladding (12, 13) on a component (11). According to the invention, the cladding (12, 13) is self-supporting and joined on the component (11) such that a joining gap (16) is created betwee...
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WO/2010/128199 |
Manufacturing method, welding arrangement and door frame structure for a door frame (21) of a windmill tower (10), wherein a hole (15) is made in the tower shell (10) for the door and a door frame is placed in the hole and welded on the ...
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WO/2010/115413 |
The invention relates to a method for connecting the ends of steel tubes by means of orbital welding using a hybrid laser arc technique, said tubes preferably having wall thicknesses ≥ 6 mm and more particularly ≥ 12 mm and diameters...
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WO/2010/112552 |
The invention relates to a method for producing a part from ductile iron, comprising the following steps: designing the part (1) in such a way that the part (1) is composed of a plurality of part components (2, 3); producing the part com...
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WO/2010/053805 |
An apparatus for laser welding comprises a base (402), a wall (406), and an opening (414) in the wall. The base (402) has a first end (410), a second end (412), and a channel system (404). The channel system (404) is located closer to th...
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WO/2010/044762 |
The method includes: placing of at least one piece within a closed heatproof and impact-resistant chamber (1) which is equipped with a movable damped cover (6); supply of a charge of an explosive gaseous mixture into said chamber (1); bl...
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WO/2010/033501 |
Attachment mechanisms are provided that may be riveted on one end (36) and welded on another flanged end (34). The flanges (34) may allow the rivets (30, 32) to be welded to a frame or other part without additional support plates. In cer...
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WO/2009/118213 |
Welding methods are often carried out using a protective gas but the effect of said gas is often insufficient. According to the invention, the component (4) to be welded is arranged in a process chamber (31).
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WO/2009/081731 |
A joining method for easily joining butted portions of a pair of metal members together, with improved air-tightness and water-tightness maintained at the joined portion. The joining method joins together butted portions (J8) of a struct...
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WO/2009/022507 |
A joining method in which a first metal member (1a) and a second metal member (1b) are butted against each other to form a joined metal member (1) and the first and second metal members (1a, 1b) are joined together by friction sir weldin...
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WO/2009/022543 |
Provided are a joining method and a joined structure manufacturing method, which can improve the gas-tightness and the water-tightness of a joined metal member. The joining method frictionally stirs a joined metal member (1), which is fo...
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WO/2008/150483 |
The present invention relates to stainless steel sheets which would be useful in semiconductor processing and in other applications which require high purity fluid handling. The invention also relates to a method of selecting and process...
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WO/2008/138304 |
The invention relates to a method for permanently interconnecting components from a heat-meltable metal material, using a robot-controlled welding unit for carrying out a hybrid welding process. According to said method, a high performan...
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WO/2008/138304 |
The invention relates to a method for permanently interconnecting components from a heat-meltable metal material, using a robot-controlled welding unit for carrying out a hybrid welding process. According to said method, a high performan...
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WO/2008/104043 |
The present invention refers to a half frame manufacturing process for a motor vehicle comprising the steps of obtaining a blank (1 ) with a chamfer that is subsequently formed and calibrated, a punch (2) being provided with a recess (2a...
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WO/2008/091699 |
A capacitive discharge (CD) welder includes a charging circuit, a capacitor bank, an insulated gate bipolar transistor (IGBT), a pulse transformer and a secondary circuit. The charging circuit takes incoming electricity and charges a cap...
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WO/2008/046589 |
The invention relates to a device for welding a strip of material, comprising a plurality of tools for processing a strip (2). Said device has welding means (5, 3a) comprising at least one welding electrode (3a) and guide means (4a) for ...
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WO/2008/018980 |
The use of friction stir and laser shock processing in oil & gas and/or petrochemical applications is provided by the present invention. The use includes subjecting friction stir weldments, fusion weldments, and other critical regions of...
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WO/2008/010746 |
The invention relates to the laser and light heat treatment of metal materials, the alloys thereof, hardenable high-strength steels having different thermophysical properties and non-linear welded joint. The inventive method consists in ...
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WO/2008/010746 |
The invention relates to the laser and light heat treatment of metal materials, the alloys thereof, hardenable high-strength steels having different thermophysical properties and non-linear welded joint. The inventive method consists in ...
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WO/2007/082210 |
The present invention provides a low temperature joining method that is compatible with multiple materials and results in a bond between joined structures without reducing the mechanical properties of the joined structures base materials...
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WO/2007/075108 |
The invention relates to hybrid heat treatment of materials by the action of a poly chromatic and coherent radiation and to devices for carrying out said method (variants). The inventive method consists in modifying a heating rate and in...
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WO/2007/074998 |
The present invention relates to a laser-rotating arc hybrid welding system and a welding method using the system. The laser-rotating arc hybrid welding system of the present invention includes an arc discharge unit (2) for generating ar...
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WO/2007/014453 |
The invention concerns a hot air device for thermowelding membranes to surfaces. It includes an air inlet, a casing in fluid communication therewith, a combustion chamber mounted within the casing and spaced apart therefrom. The chamber ...
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WO/2006/133343 |
Residual tensile stresses can be mitigated through methods and systems provided by the present invention. Such a method can include securing a metal member (10) to a substrate and at least partially surrounding a portion of the metal mem...
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WO/2006/125601 |
The invention relates to a method for welding workpieces, in particular to butt welding of plates, whereby in each process zone of a common welding zone, the workpieces are subjected to a laser beam and an arc, whereby the process zone (...
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WO/2006/120372 |
Component fabrication and in particular fabrication by deposition processes for large components is made more convenient by initially depositing a masking deposition layer (2) upon a thin substrate (1) such that subsequently shaped metal...
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WO/2006/063374 |
The invention relates to a method for combined laser-arc welding and to a device (1) for combined laser-arc welding, comprising a laser unit (2) for producing a laser beam (3), a welding torch (4) for producing an arc (5), a supply unit ...
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WO/2006/001242 |
A multiple thermal cutting device and a multiple thermal cutting method. The multiple thermal cutting device comprises both a laser head and a plasma torch controllable independently of each other for performing both laser beam machining...
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WO/2005/118198 |
Contemplated methods for welding stainless steel substantially improve welding speed and quality. Most typically, such attributes are achieved by welding a root pass using GMAW-Sm to thereby depositing a root, welding a hot pass using GM...
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WO/2005/107996 |
The invention relates to a method for welding coated sheet metal (3) by way of a laser hybrid welding method, whereby at least one laser method and one shielded arc-welding method are carried out, and a weld metal (12) is supplied to the...
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WO/2005/084242 |
A method of making a large Mo billet or bar for a sputtering target wherein two or more bodies comprising Mo are placed adjacent one another (e.g. stacked one on the other) with Mo powder metal present at gaps or joints between the adjac...
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WO/2005/056228 |
The invention relates to a welding unit (27), comprising a welding device (1), with a welding torch unit (29) which may be connected thereto by means of a tube group (23, 28). At least one controller (4), a welding power supply (2) and, ...
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WO/2005/021210 |
A method and apparatus for manipulating a contact tip of a welding device includes a member, e.g., a clutch bearing or other device, that securely grasps the contact tip and minimizes damage thereto. The method and apparatus can be used ...
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WO/2005/021207 |
A method of joining metal components (2, 8) having the steps of depositing adhesive material (16) between the components and welding the components together via solid-state or fusion welding. The welds (18) are spaced apart from the adhe...
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WO/2005/005070 |
An apparatus for performing a plurality of magnetic pulse forming or welding operations includes a power supply (11), a plurality of inductors (13), and a power distribution system (12) for selectively connecting the power supply (11) to...
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WO/2004/041468 |
A method of welding age-hardenable aluminum alloys to improve strength properties in the heat affected zone and the weld zone, the method comprising the steps of providing precipitation hardenable aluminum alloy members to be welded and ...
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WO/2004/028736 |
The invention concerns a welding head (1) having an elongated shape enabling its penetration into narrow chamfers provided between two workpieces (3, 4) to be welded, and containing the end of a welding wire (6) combined with a laser bea...
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WO/2004/024972 |
A target (1) and backing plate (10) assembly and method of making the same. The target (1) and backing plate (10) assembly provides a mechanical interlock between the target (1) and backing plate (10) in addition to diffusion bonding bet...
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