Matches 1 - 50 out of 59 1 2 >


Match Document Document Title
US20110127238 PIPE WELDING PURGE GAS CONTROLLER  
The present invention relates generally to a system and method for welding pipes and controlling the flow of purge gas through the pipes. Purge gas may be remotely controlled by a portable signal...
US20120152905 Method for Reduced Cycle Times In Multi-Pass Welding While Providing an Inert Atmosphere to the Welding Zone  
This disclosure describes a method and apparatus for controlling the temperature of a welding zone for welding together pipe sections. The temperature is controlled by a flow of inert gas through...
US20120291907 HIGH-STRENGTH WELDED STEEL PIPE AND METHOD FOR PRODUCING THE SAME  
A high-strength welded steel pipe is obtained by welding a seam weld portion of a steel plate that are formed in a pipe shape. In the high-strength welded steel pipe, a base metal of the steel...
US20130019986 Metal Dusting Protection for Welded Pipe Assemblies  
A method for protecting a welded pipe assembly from metal dusting and a welded pipe assembly suitable for performing the method. The welded pipe assembly comprises two pipes, weld material joining...
US20130256275 MANUFACTURING METHOD AND MANUFACTURING APPARATUS FOR UOE STEEL PIPE OR TUBE  
When a UOE steel pipe 30 is manufactured by subjecting a thick plate 7 provided with bevels 8a and 8b in edge parts 7a and 7b to C-pressing, U-pressing, and O-pressing to be formed into an open...
US20150196968 Enhanced Arc Control for Magnetically Impelled Butt Welding  
Tubulars are joined for subterranean borehole use in the production of hydrocarbons by a technique of magnetically impelled arc butt (MIAB) welding. Large casing can be accommodated and the weld...
US20120261387 METHOD FOR PRODUCING WELDED HELICAL- SEAM TUBES HAVING OPTIMIZED TUBE GEOMETRY  
In a method for producing welded helical seam tubes having optimized tube geometry a metal strip is helically formed into an open seam tube by means of a forming unit and the converging strip...
US20130037162 THICK WELDED STEEL PIPE EXCELLENT IN LOW TEMPERATURE TOUGHNESS, MANUFACTURING METHOD OF THICK WELDED STEEL PIPE EXCELLENT IN LOW TEMPERATURE TOUGHNESS, AND STEEL PLATE FOR MANUFACTURING THICK WELDED STEEL PIPE  
The present invention provides a thick welded steel pipe excellent in low temperature toughness in which contents of Mn and Mo satisfy (Expression 1) below, Pcm obtained by (Expression 2) below is...
US20130248493 METHOD FOR WELDING THIN-WALLED TUBES BY MEANS OF PEAK TEMPERATURE TEMPER WELDING  
The invention relates to a method for connecting two components by TIG welding, said components consisting of an air-hardening steel alloy and, in particular, of the material T23 or T24. A joint...
US20150007904 ABRASION RESISTANT WELDED STEEL PIPE AND METHOD OF PRODUCING THE SAME  
In an abrasion resistant welded steel pipe, each of a base material and a weld metal contains specific amounts of chemical composition. The base material of the abrasion resistant welded steel...
US20150137512 CONNECTION PIPE AND METHODS OF MANUFACTURING AND USING A CONNECTION PIPE FOR AN EVAPORATOR OF A REFRIGERATION DEVICE  
A connection pipe and a method of manufacturing the connection pipe for an evaporator of a refrigeration device is disclosed. In the connection pipe and method, high-frequency welding is performed...
US20130136540 WELDING METHOD OF A FIRST TO A SECOND TUBULAR, THE TUBULARS COMPRISING A CORROSION RESISTANT ALLOY ON AN INTERNAL FACE THEREOF  
A method of butt welding a first and second tubular to join them together, the tubulars being suitable for use in an underwater environment and normally being made from carbon steel and having a...
US20070119829 Orbital welding device for pipeline construction  
The invention relates to an orbital welding device for mobile use in order to join a first pipe (1) and a second pipe end (2) along a circumferential joint (3) by at least one weld seam (4),...
US20100022371 METHOD FOR PRODUCING A ROLLER BODY AND ROLLER BODY  
A method for manufacturing a roller body, wherein pipe sections, each made of steel having a carbon equivalent of at least 0.45 and a wall thickness of at least 130 mm each are arranged axially...
US20090045172 METHOD OF OPEN ROOT WELDING  
A method of welding the ends of two pipe sections at the open root between said spaced ends, said method comprising: selecting a metal cored welding wire having a metal sheath and a core, the wire...
US20090212025 NON-EUTECTIC STRUCTURE WELD JOINT OF COPPER-ALUMINUM THIN WALL PIPE AND ITS MANUFACTURING METHOD  
This invention involves a non-eutectic structure welded joint of copper-aluminum thin wall pipe and its manufacturing method. This welded joint includes a chemical bond directly formed between the...
US20150251279 Tank welding fixture and method  
A cylindrical tank welding fixture and related process allows a tank to be attached to a robotic welder. Each of the two endcap sections of the fixture shall be clamped around an endcap of the...
US20120325805 OPERATION MANAGEMENT DEVICE, OPERATION MANAGEMENT METHOD, AND OPERATION MANAGEMENT PROGRAM FOR HIGH-FREQUENCY RESISTANCE WELDING AND INDUCTION WELDING  
An operation management device performs an operation management for electric resistance welding in which a strip-shaped metal plate is formed to have a cylindrical shape in such a manner that both...
US20090078682 Insertion type resistance welding method for welding copper and aluminum tubing  
A method for welding aluminum and copper tubes. The method comprises the steps of forming an annulated end on a copper tube. That is followed by a step of inserting the annulated end of the copper...
US20110308660 DUAL SEAM ELECTRIC RESISTANCE WELDED TUBES  
A method of continuously forming a dual seam welded tubular product includes the steps of providing two coils of sheet metal material, uncoiling the two coils and forming the material into...
US20080237195 WELDING SLOT SEALING STRUCTURE AND WELDING METHOD  
Blades are connected to the surface of a disk and slots are formed in the surface of a shroud, which is opposite from the other surface of the shroud where the blades are to be welded. The blades...
US20150076117 METHOD AND DEVICE FOR LONGITUDINAL SEAM WELDING OF PROFILED TUBES ON A TUBE WELDING SYSTEM  
The invention relates to a method and a device for longitudinal seam welding of profiled tubes on a tube welding system which is connected to a system computer for process control, and to which a...
US20120298628 METHOD OF AND A WELDING STATION FOR LAYING A PIPELINE, WITH PIPE SECTION WELDED TOGETHER BY INTERNAL AND EXTERNAL WELDING  
A method of laying a pipeline is described in which both internal and external weld passes are performed in order to weld together the pipe sections. The method includes arranging a pipe section...
US20100104888 METHOD OF PRODUCTION OF ELECTRIC RESISTANCE WELDED STEEL PIPE AND HIGH SI OR HIGH CR ELECTRIC RESISTANCE WELDED STEEL PIPE  
The present invention provides a method of production of electric resistance welded steel pipe able to stably reduce weld defects due to oxides by firing plasma and furthermore able to reduce...
US20090212023 Welding Processes  
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...
US20090223935 Method of Manufacturing Electric Resistance Welding Pipe Having Excellent Characterization of Welded Seam  
A method of manufacturing an electric resistance welding pipe is provided in which a lateral edge shape is made to be an appropriate shape immediately before electric resistance welding is...
US20150090697 ELECTRIC RESISTANCE WELDING OPERATION MANAGEMENT DEVICE, ELECTRIC RESISTANCE WELDING OPERATION MANAGEMENT METHOD, AND COMPUTER PROGRAM  
An electric resistance welding operation management device 100 manages a welding operation during manufacture of electric resistance welded steel pipe, in which heat is input to a steel plate 1,...
US20130081943 METHODS OF MANUFACTUING LARGE-AREA SPUTTERING TARGETS  
In various embodiments, joined sputtering targets are formed at least in part by spray deposition of the sputtering material and/or welding.
US20080290070 METHOD FOR MANUFACTURING MULTI-PITCH FLASHING  
A method for manufacturing lead flashing for a roof pipe is disclosed. A lead pipe is straightened and then pushed into a frictionally engaged knurled clamp. Pressure is applied between a knurled...
US20100089463 Corrosion Resistant Alloy Weldments In Carbon Steel Structures and Pipelines To Accommodate High Axial Plastic Strains  
A method and apparatus for joining materials having primarily ferritic properties is described. The method includes joining the ferritic materials using a welding process and a weld material...
US20100059484 METHOD AND EQUIPMENT FOR MANUFACTURING ELECTRIC RESISTANCE WELDED STEEL PIPE  
A method for manufacturing an electric resistance steel pipe having a good toughness at a welded portion is provided, the method being capable of stably manufacturing an electric resistance welded...
US20090212024 WELDING PROCESS  
A welding process for end connection of a first tube to a second tube along a circumferential joint by means of a weld bead, in which the first and the second tube are arranged with respect to one...
US20080083705 MULTIPLE WELDING USING A SINGLE POWER SOURCE  
Welding systems are presented, in which a single power source provides a first DC output to a plurality of digital waveform controlled chopper modules. Welding modules are also disclosed for...
US20150217352 METHOD AND DEVICE FOR SEPARATING WOUND TUBES HAVING WELDED PARTS  
A method and a device for separating a wound tube (1) which includes interlocking windings (11, 12, 13, 14) of a metal strip (2) are provided, the wound tube (1) is welded in a predetermined axial...
US20090068495 Methods and Systems for Re-Metallizing Weld Area in Steel Electrical Conduit  
The present embodiments disclose methods and systems for repairing, reconditioning, and/or re-metallizing the weld seam in steel electrical conduit such that the conduit meets UL standards, as...
US20110198316 METHOD AND APPARATUS FOR MEASURING A PIPE WELD JOINT  
An internal line-up clamp (20), for aligning two pipes to be welded together, includes a hi-lo measurement system, for example includes a laser source (24) and camera system (22), mounted on the...
US20100181759 Apparatus and method for welding steel boiler tubes  
Apparatus and method for welding steel boiler tubes in a space restricted area using a pulsed-arc welding process. The process includes the use of a consumable insert ring having a T-shaped...
US20100051587 Welding Apparatus, Tubular Body With a Covered Tip End and Welding Method  
The tip end of a tubular body is oriented towards an inner bottom face of a recess for holding a heating body, then the outer peripheral surface is oriented towards the inner peripheral surface of...
US20090042049 SEALED WELD ELEMENT FOR ATTACHMENT TO A VEHICLE COMPONENT AND METHOD  
A projection weld element can include structure that prevents gases or other contaminants from passing through or around the weld element before, during or after attachment to a workpiece such as...
US20060081561 Lighted clip-on toy with consumable portion  
A clip-on toy with a consumable portion having a housing containing a power source and an electrical circuit, the housing having a stem for supporting the consumable portion; a clip portion for...
US20110079584 MEASUREMENT SYSTEM, PIPE HANDLING SYSTEM AND METHOD OF JOINING PIPE SECTIONS  
The invention relates to a measurement system constructed and arranged to measure geometrical data from two pipe end bevels of two pipes that need to be joined. The measurement system being...
US20150129557 ORBITAL WELDER WITH FLUID COOLED HOUSING  
A welding system comprising a frame having a curved profile configured to at least partially surround a cylindrical work piece, a welding torch supported on the frame a motor supported on the...
US20090114623 Method for welding employing current  
One method of the invention is for welding and includes obtaining first and second members each including an extrusion having a through hole and includes obtaining first and second electrodes each...
US20150129556 Device and Method for Producing at least Partially Closed Profiles or Tubular Components from Metal Sheet  
The invention relates to a device and method for producing at least partially closed profiles from metal sheet, having a first tool part, a second tool part, and at least one supporting core. The...
US20050000945 Method for producing latticed structures and device for carrying out said method  
A method of producing grate structures includes forming of a workpiece from elements placed tightly parallel against one another (rods, windings of a spiral or closed rings), their arc winding in...
US20140346163 LASER CONTROLLED INTERNAL WELDING MACHINE FOR A PIPELINE  
The present invention is directed to a system for welding together segments of a pipeline. The system includes an external alignment mechanism for externally supporting and manipulating the...
US20150015007 TUBULAR BEAM WITH CENTER LEG AND METHOD FOR FORMING THE SAME  
A reinforcement beam is roll formed from a metal sheet for use in a vehicle bumper system. The reinforcement beam includes adjacent tubes having a common center wall and lateral portions extending...
US20100206850 METHOD AND DEVICE FOR CONNECTING THICK-WALLED METAL WORKPIECES BY WELDING  
The invention relates to a method for connecting thick-walled metal workpieces by welding. In order to create the weld joint, the cross-sections are provided with a maximum of three weld regions...
US20080011720 Process for laser-ARC hybrid welding aluminized metal workpieces  
The invention relates to a process for laser welding at least one metal workpiece (1) by a laser beam (3), said workpiece having a surface coating (2) containing aluminium, characterized in that...
US20120255933 HIGH POWER LASER PIPELINE TOOL AND METHODS OF USE  
There is provided a high power laser tool system for transmitting and delivering high power laser energy within the interior of pipes, which includes a high power laser-pig and long distance high...

Matches 1 - 50 out of 59 1 2 >