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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8129652 | Welding stability system and method A weld stability system for an arc welding apparatus and method of operation is disclosed. The weld stability system may comprise a shielding gas supply and a control assembly. The shielding gas supply may include a first source of gas, a second source of gas, a mix... | 03/06/2012 |
| 8106327 | ARC welding torch including a wire guide open on one side and arranged to receive a welding wire from a laterally spaced apart location and method of using same The present invention relates to a welding torch that includes an electrode (3) that has a longitudinal groove (9) formed therein which guides a welding wire (4) which is fed form a laterally spaced-apart location. The electrode (3) is op... | 01/31/2012 |
| 7985940 | Welder with internal shielding gas regulator A welder having an internal shielding gas regulator is disclosed. The welder has an internal gas cylinder and an internal regulator disposed in an enclosure. The welder may be equipped with an auxiliary shielding gas cylinder inlet so that a bulk shielding gas cylin... | 07/26/2011 |
| 7915560 | TIG welding equipment and TIG welding methods The TIG welding methods of the present invention include generating an electric arc between an electrode and an object to weld the object, wherein a first shielding gas including an inert gas flows toward the welded object surrounding the electrode, a second shieldi... | 03/29/2011 |
| 7863538 | Metal-core gas metal arc welding of ferrous steels with noble gas shielding The gas-metal arc welding of metal-core wile electrodes in the pure Ar shielding gas for carbon steel, low alloy steel, and ferritic stainless steel is described. Such shielding gas provides several benefits not realized ??the gas-metal arc welding process with soli... | 01/04/2011 |
| 7800011 | MIG welded joint between aluminum and steel members and MIG welding process A MIG welded joint between aluminum and steel members is obtained by overlapping the aluminum member and the steel member each other and performing MIG welding using a filler wire made of a 4000 or 5000 series aluminum alloy on an end face of the overlapped aluminum... | 09/21/2010 |
| 7718915 | Shielding gases for MAG-welding of galvanized steel sheets and welding method using the same A shielding gas for MAG welding wherein a carbon steel solid wire is used for lap fillet welding of a galvanized steel sheet; wherein the shielding gas is a mixed gas composition consisting of 8 to 15% by volume of oxygen, 20 to 30% by volume of carbon dioxide, and ... | 05/18/2010 |
| 7718914 | Metal-protective gas-joint with changeable polarity A method of gas-shielded metal arc joining using a consumable electrode having an alternating polarity (GMA-AC). A shielding gas containing argon is used to improve process stability and working speed. ... | 05/18/2010 |
| 7518082 | Method for arc welding of ductile cast iron A method for joining components made from ductile cast iron and made from ductile cast iron and steel, by arc welding with fusible electrodes under a gas blanket. The gas blanket comprises, in addition to argon, 1 to 25 vol. % carbon dioxide and/or 0.5 to 10 vol. % ... | 04/14/2009 |
| 7462799 | Welding shielding gas flow rate-limiting apparatus Welding shielding gas is often wasted because the welding operator sets flow rates excessively high. The flow rate limiting apparatus described can be added externally to a needle valve flow control adjustment knob in a flow control device. It is connected such that... | 12/09/2008 |
| 7429712 | Gas system for welding-type devices A welding-type device and gas system for use therewith are disclosed. The gas system of the welding-type device includes a canister that is constructed to contain a shielding gas therein and is connectable to the welding-type device. The canister is sized to be moun... | 09/30/2008 |
| 7423238 | Gas system for wire feeding devices A wire feeder and gas system for use therewith is shown. The gas system of the wire feeder includes a canister that is constructed to contain a shielding gas therein and is connectable to the wire feeder. The canister is supported by the wire feeder when it is conne... | 09/09/2008 |
| 7411147 | Gas bottle for welding-type devices A gas bottle for welding-type devices, a shielding gas system, and a method for providing shielding gas to a weld are disclosed. The gas bottle has a valve constructed to be connected to a welding-type device and is preferably formed to fit within a cavity of a weld... | 08/12/2008 |
| 7390988 | Polyspecialistic medical-surgical electrowelding method for electrowelding titanium and alloys thereof The present invention relates to an electrowelding method for intraorally electrowelding titanium and alloys thereof, comprising the step of abutting the element to be electrowelded one against the other, performing an electrowelding operation by using an electrowel... | 06/24/2008 |
| 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 added to the argon, and a doping gas premix which is prepared separa... | 06/17/2008 |
| 7355141 | Welder with integrated regulator A welder having an internal shielding gas regulator is disclosed. The welder has an internal gas cylinder and an internal regulator disposed in an enclosure. The welder may be equipped with an auxiliary shielding gas cylinder inlet so that a bulk shielding gas cylin... | 04/08/2008 |
| 7329826 | Nozzle 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 |
| 7307234 | Protective gas supply device for electric arc joining A protective gas supply device for on-site supply of workplaces is provided, in which a liquid argon reservoir, a liquid oxygen reservoir or a liquid carbon dioxide reservoir, and a helium supply are connected to first and second mixers supplying gas to site workpla... | 12/11/2007 |
| 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 comprises a consumable electrode wire. The welding torch defining an elon... | 11/20/2007 |
| 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 of a filler wire, which is melted by a combined electric arc and laser... | 10/30/2007 |
| 7282663 | Forge welding process An automated method for forge welding tubulars including heating the tubular ends to be joined in a welding chamber while the heated tubular ends are maintained aligned and parallel relative to each other and at a small spacing, whereupon the heated tubular ends are... | 10/16/2007 |
| 7259348 | Welding torch having integral gas lens and collet and method of operating same A welding torch member for securing an electrode to a welding torch is provided. The welding torch member may be adapted to capture the electrode and to enable gas to flow through the welding torch member. The welding torch member may be adapted with a first portion... | 08/21/2007 |
| 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 first laser that perforates the workpieces to produce an opening space... | 08/07/2007 |
| 7253373 | Air-cooled arc welding implement A welding implement, such as a TIG welding torch. The welding implement comprises a torch head and a thermal storage member. The torch head is operable to conduct electricity to a welding electrode disposed therein. The thermal storage member is adapted to store hea... | 08/07/2007 |
| 7246736 | Supplying shielding gas A flexible articulate tubular device has a shank, a plurality of pivot rings, and a terminus with heat sensors and a fiber optic device. The flexible articulate tubular device is initially positioned, either manually or automatically, near a target weld path with th... | 07/24/2007 |
| 7244904 | Metal-protective gas-joint with changeable polarity A method of gas-shielded metal arc joining using a consumable electrode having an alternating polarity (GMA-AC). A shielding gas containing helium is used to improve process stability and working speed. ... | 07/17/2007 |
| 7241971 | Laser/arc hybrid welding process for ferritic steels A method and an apparatus for a hybrid laser beam and electric arc welding process. A laser beam, an electric arc, a shielding gas and a consumable welding wire are used to create a weld on a steel work piece by melting the welding wire. The weld contains 30 to 1000... | 07/10/2007 |
| 7241970 | Ternary gas mixture which can be used in the braze welding of galvanized parts A method of brazing galvanized metal parts such as those used for motor vehicle elements or container components. The parts are joined together to create a brazed joint by using at least one electric arc, a metal filler wire, and a gas shield. The gas shield contain... | 07/10/2007 |
| 7235758 | MIG-plasma welding A welding system comprises a combined torch that includes a consumable electrode and a non-consumable electrode positioned so that their respective axes form an acute angle and so that arcs initiated from the electrodes intersect a workpiece plane to define an impin... | 06/26/2007 |
| 7220935 | Welding 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 |
| 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 electrodes, whereby a shielding gas stream is supplied to the work pi... | 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 |
| 7201179 | Modular 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 |
| 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 active gasses in the vpm range (0.005 to 0.5% by volume). These shieldin... | 03/13/2007 |
| 7186950 | Welder with light source In a welder wand including a welding tip attached to handle with an elongate, rigid conduit, the handle having a trigger for activating the welding tip, improvements therein including an optical light system attached to the welder wand comprising a light source moun... | 03/06/2007 |
| 7176412 | Taper 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 |
| 7159755 | Method and apparatus for rebuilding gas turbine engines A method for repairing a component within a SWET box is provided. The method includes providing a SWET box that has a divided interior volume that defines a welding chamber within the interior that is smaller than a total volume of the interior SWET box, positioning... | 01/09/2007 |
| 7161109 | Gas metal arc welding of coated steels and shielding gas therefor This invention relates to a method for gas metal arc welding of coated steels, and a shielding gas therefor, in which the method comprises: (a) forming an arc between a consumable wire electrode and a coated steel workpiece; ... | 01/09/2007 |
| 7132624 | Less smoke fume-dispersing device for welding operations A fume-dispersing device and welder combination for removing unwanted gases from a welding work area comprises a welder including a grip portion having an axis, and a welding tip extending in an axial direction from said grip portion and providing a distal welding e... | 11/07/2006 |
| 7122762 | Implementation system for continuous welding, method, and products for the implementation of the system and/or method Apparatus and method for use with a welding system. The apparatus and method provides a fluid bath which allows a welding nozzle of the welding system to be dipped into, for example, a friction reducing agent. ... | 10/17/2006 |
