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| Number | Title | Issue Date |
| 7109433 | Method and apparatus for initiating welding arc using chemical spray Methods and apparatus for initiating an arc (e.g., a welding arc) by placing liquid droplets containing ions in the gap between an electrode and a workpiece. This is done while a potential difference is applied between the electrode and the workpiece. The presence o... | 09/19/2006 |
| 7091448 | Welding electrode and method for reducing manganese in fume A cored electrode for arc welding, said electrode having a core in which the fill material includes a manganese-containing composite particle. ... | 08/15/2006 |
| 7087859 | Stick electrode A welding electrode comprising a metal core and a flux coating at least partially coated on an outer surface of said metal core, and also including a end coating material which at least partially inhibits porosity of a weld bead formed during the welding operation. | 08/08/2006 |
| 6784401 | Welding electrode and method for reducing manganese in fume A cored electrode for arc welding wherein the electrode has a core in which the fill material includes a manganese-containing composite particle. A method for arc welding comprises providing a cored electrode having a core of fill material including a composite part... | 08/31/2004 |
| 6521867 | Flux-cored wire for gas-flow-shielded welding A flux-cored wire for welding shielded by a flow of gas, in particular of the rutile or slag-free type, composed of an outer metal sheath and a central core comprising filling elements, and an MAG gas-shielded welding process using such a flux-cored wire ... | 02/18/2003 |
| 6300596 | Flux-cored wire for gas-flow-shielded welding A flux-cored wire for welding shielded by a flow of gas, in particular of the rutile or slag-free type, composed of an outer metal sheath and a central core comprising filling elements, and an MAG gas-shielded welding process using such a flux-cored wire ... | 10/09/2001 |
| 6153847 | Welding member and welding method A water-repellent film is applied on to the surface of a welding member such as of a welding backing member disposed backside a joint defined between two mating welding bevels, a welding bevel of a base member to be welded, and a coated welding rod formed... | 11/28/2000 |
| 4804818 | Coated electrode for arc welding Disclosed is an electrode comprising a base rod and a hard coating, or a base wire which is coated with a powder or metallic coating of aluminum and optionally of hard coating material that adheres to the electrode and forms a partial pressure of arc acti... | 02/14/1989 |
| 4571480 | Flux cored wire electrodes for self-shielded arc welding There are disclosed flux cored wire electrodes for self-shielded arc welding which comprise a steel sheath filled with a powdery flux containing as essential components thereof the following components set forth in terms of weight percentage: BaF2 | 02/18/1986 |
| 4368371 | Process for the submerged-arc welding of light metals such as aluminum and aluminum alloys A welding process for joining aluminum materials in a horizontal welding position, without preheating, this process being highly economical and characterized by minimal environmental pollution, good strength and toughness of the welded joint, in which pro... | 01/11/1983 |
| 4319116 | Welding using soap shielding A procedure is disclosed in the application, for carrying out arc welding under water or in otherwise difficult external conditions. In the procedure, there is introduced in the arc area or in its immediate vicinity, an auxiliary substance having the purp... | 03/09/1982 |
| 4305197 | Tubular filler wire for fusion welding A tubular filler rod or filler wire the metal sheath of which is composed of two members, to wit, an outer seamless tube and an inner tube consisting of a strip bent into tube shape and confining a compacted powder core. Also, a method of manufacturing a ... | 12/15/1981 |
| 4214145 | Mild steel, flux-cored electrode for arc welding A mild steel flux-cored electrode is disclosed for use in arc welding mild and low alloy steels, which electrode complies with the specification of the American Welding Society (AWS A5.20-69) classification E70T-1. The electrode has an external diameter o... | 07/22/1980 |
| 4186293 | Cored type welding electrode A cored type welding electrode which enables good penetration, has an improved range of welding voltages, produces low smoke and provides a weld deposit having good impact properties. The flux contains larger than normal quantities of basic oxides, contro... | 01/29/1980 |
| 3947655 | Cored type electrode welding A cored type arc-welding steel electrode for the welding of 14 gauge to 3/8 inch thick mild steel wherein the ingredients in the core provide a smooth spray arc that is easy to control along with excellent bead appearance, low spatter, and good slag remov... | 03/30/1976 |
| 3935414 | Automatic fixed position pipe welding Automatic fixed position pipe welding is carried out by gas-shielded electric arc welding with a novel flux-cored electrode wire having a low-carbon sheel sheath containing a core filling of, by weight, 16-17 percent ferro manganese, 10-11 percent ferro s... | 01/27/1976 |
| 3935421 | Flux-cored welding wire for gas-shielded electric arc welding A novel flux-cored welding wire for gas-shielded electric arc welding is described characterized by a shiny, metallic-appearing surface on a low carbon steel sheath and containing within its core as essential flux ingredients 6-20% ferro manganese, 6-20% ... | 01/27/1976 |
