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Class 219/137R - Process


Subclass of Class 219 - Electric heating
Definition: Processes.
No. of patents: 456
Last issue date: 04/17/2012


1                      
NumberTitleIssue Date
8158905Arc 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 source of gas to selectively allow arc initiation gas to flow through a ...
04/17/2012
8158906Welding 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 initializing plate on which the welding process is begun and then once a consis...
04/17/2012
8097831Use 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 surfaces, at least one of the parts having...
01/17/2012
8076612Method 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 conductor is preferably greater than the thickness of the conductive fi...
12/13/2011
8063340Method 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 detachment of a weld droplet. The weld droplet detachment is determined via st...
11/22/2011
8049141Method 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 maintaining the arc; decreasing either the current or the voltage until a p...
11/01/2011
7741580Method 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 connector are welded together with only a single interior welding pa...
06/22/2010
7525067Dual 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 a second welding wire in a second welding wire orientation that is n...
04/28/2009
7498543Method 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 welding techniques. Moreover, suitable zinc-copper-aluminum alloys m...
03/03/2009
7408130YAG 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 performed by directing a laser focus of a YAG laser on base materials...
08/05/2008
7388170Preparing 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 added to the argon, and a doping gas premix which is prepared separa...
06/17/2008
7380384Layout 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 an assembly of the profiles defining the closed tubular section, the p...
06/03/2008
7371994Buried 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 butting relationship along a butting joint and the third component or un...
05/13/2008
7329826Nozzle assembly for welding torch
A nozzle assembly operable to secure a porous disc within a welding torch. The nozzle assembly comprises a front nozzle member and a rear nozzle member. The front nozzle member is securable to the rear nozzle member. The porous disc is captured between the front noz...
02/12/2008
7325717Welding material and a method of producing welded joint
In the present invention, an iron based alloy which contains by mass %: 0.20% or less of C; 6.0 to 16.0% of Cr; 6.0 to 16.0% of Ni and whose martensitic transformation starting temperature (Ms point temperature) is in the range of 0-170° C., inclusive of 0° C. and...
02/05/2008
7312416Apparatus 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 installation. A transport housing containing a welding unit in a dry stat...
12/25/2007
7307238Determining 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 exposed rod head. The method comprises: preparing a standardized wor...
12/11/2007
7304267Method 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
7304268Method 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 performance of a standardized vertical down weld procedure using a stick electr...
12/04/2007
7297900Bypass 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 comprises a consumable electrode wire. The welding torch defining an elon...
11/20/2007
7291807TIG 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
7288737Laser/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 of a filler wire, which is melted by a combined electric arc and laser...
10/30/2007
7278365Mechanically welded structure with stress-relieving slit and liquefied gas transport ship equipped with such a structure
A mechanically welded structure comprising a first flat and thin metallic structural element extending in a plane and delimited by a straight edge on one side, and a second metallic structural element welded to the straight edge of the first structural element, or w...
10/09/2007
7268319Method of metallurgically bonding articles and article therefor
An article suitable for metallurgical bonding having a first part having a lower surface, and a second part having an upper surface is disclosed. The lower surface of the first part is disposed at the upper surface of the second part to provide for a faying surface ...
09/11/2007
7255406Method for manufacturing track for auger boring machine
An auger boring machine having a drive mechanism for moving the machine along a desired direction of travel includes a drive motor having a shaft and a pinion mounted on the shaft. A method for manufacturing a track for such a boring machine includes providing a tra...
08/14/2007
7253377System 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 first laser that perforates the workpieces to produce an opening space...
08/07/2007
7241961TIG welding method
A TIG welding method of welding a first part with a first wall and an end edge to a second part with a second wall and an edge along a junction surface between said edges and along which the first wall forms a salient angle with the second wall. The TIG welding elec...
07/10/2007
7225717Vehicle armor system
An armor system is provided for installation in a vehicle having a body structure. The armor system includes frame members joined to form a framework having openings. The framework is joined to the inside of the body structure of the vehicle. Brackets are joined to ...
06/05/2007
7220935Welding torch and shield
A welding torch (10) for welding on a component has an electrode (12) within a nozzle (14) through which a flow of gas passes. A shield (20) defines an enclosure (22) around the nozzle (14). Means are provided for supplying ...
05/22/2007
7214899Process 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 slit tube is welded in a welding system (4) alo...
05/08/2007
7211765Shielding 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 electrodes, whereby a shielding gas stream is supplied to the work pi...
05/01/2007
7201179Modular fluid supply system
A modular fluid supply system for use with a liquid supply source includes a plurality of container packs, a fluid delivery line in fluid communication with the containers of the packs, and a controller. Each container pack includes at least one container that conta...
04/10/2007
7199325Method for interconnecting tubulars by forge welding
A method for interconnecting tubulars by forge welding involves arranging the tubular ends that are to be interconnected at a distance, up to a few millimeters from each other in a shield gas chamber, into which a reducing non-explosive flushing fluid mixture (e.g. ...
04/03/2007
7193177Method of metallurgically bonding articles and article therefor
An article suitable for arc-welded metallurgical bonding having a first part having a lower surface, and a second part having an upper surface is disclosed. The lower surface of the first part is disposed at the upper surface of the second part to provide for a fayi...
03/20/2007
7189941Process 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 active gasses in the vpm range (0.005 to 0.5% by volume). These shieldin...
03/13/2007
7183674Hermetically sealed elements of an actuator
An actuator for positioning of an optical element, such as a mirror, in an optic system that operates under vacuum conditions is provided and includes a first actuator body including a first actuator element that is hermetically sealed in the first actuator body and...
02/27/2007
7180030Method 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 involve performing a standardized welding process using an electrode of ...
02/20/2007
7176412Taper locking features between components of a welding device
Locking engagement connections between various components of a welding device can include tapered features having varied thread patterns and/or varied angles to ensure that the components remain tight during service. For example, locking engagement connections can b...
02/13/2007
7173215Method 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 welding operations, including creating test welds on fixtures having joint...
02/06/2007
7170032Process for welding
A welding process for non-stainless steel workpieces using GTAW equipment and hydrogen containing shield gas on a first root pass is improved by using a shield gas delivery system comprising hoses or conduits made of elastomeric material having a moisture permeabili...
01/30/2007
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