Class 219/146.3 - Particulate

Subclass of Class 219 - Electric heating
Definition: Subject matter wherein a scavenger material is included
No. of patents: 34
Last issue date: 02/26/2008

Number	Title	Issue Date
7335852	Method and apparatus for welding A method and apparatus for MIG welding is disclosed. When in an ac mode the output is unbalanced, or the balance may be controlled. The balance may be controlled to provide a desired deposition rate and /or to obtain a desired dilution. The frequency may be any freq...	02/26/2008
7166817	Electric ARC welder system with waveform profile control for cored electrodes An electric arc welder for creating a welding process in the form of a succession of AC waveforms between a particular type of cored electrode, with a sheath and core, and a workpiece by a power source comprising an high frequency switching device for creating the i...	01/23/2007
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
7084372	Method and apparatus for welding A method and apparatus for MIG welding is disclosed. When in an ac mode the output is unbalanced, or the balance may be controlled. The balance may be controlled to provide a desired deposition rate and/or to obtain a desired dilution. The frequency may be any frequ...	08/01/2006
6939413	Flux binder system A welding flux that includes a flux agent and a binder. The binder includes a colloidal binder formed from small particles of silicon dioxide. The binder can be dried at lower temperatures to thereby for a greater range of fluxing agents and/or metal alloys to be in...	09/06/2005
6426483	Electrode and method of making same A welding wire for use in electric arc welding and method of making same, wherein the wire has an effective outer diameter and comprises a length of solid metal formed into a series of distinct segments each having a selected volume and having an indented...	07/30/2002
6414269	Pit and blow hole resistant flux-cored wire for gas-shielded arc welding of galvanized steel sheet The present invention discloses a pit and blow hole resistant flux-cored wire for gas-shielded arc welding of a galvanized steel sheet. Here, an amount of flux ranges from 10 to 20% by weight of the wire, and an amount of a mild steel sheath ranges from 8...	07/02/2002
6140607	Gas shielded arc-welding flux cored wire A gas shielded arc-welding flux cored wire having a steel-made sheath filled with flux. The flux cored wire containing, by weight % based on the total weight of the wire, 1.0% or more Si--Mn ferroalloy powder having a grain size of 212 μm or less; 2.0 to...	10/31/2000
5820939	Method of thermally spraying metallic coatings using flux cored wire A method of thermally spraying at least one adherent metallic coating onto an unroughened cleansed aluminum or aluminum alloy substrate to produce a coated substrate, comprising: wire-arc thermally spraying of melted metallic bonding droplets and fluxing ...	10/13/1998
5424127	Ribbon for coating by torch spraying and its use for depositing a quasi-crystalline phase on a substrate The invention relates to a ribbon or bead for coating by torch spraying and its use For depositing a quasi-crystalline phase on a substrate. The bead or ribbon (1) comprises a core having an organic binder and a powder or a mixture of powders able to Form...	06/13/1995
5365036	Flux cored gas shielded electrode A cored electrode for gas shielded arc welding to deposit a weld metal bead, where the electrode has a core of fill material surrounded by a ferrous tube with the fill material having alloying agents and oxide fluxing ingredients including, by weight of f...	11/15/1994
5300754	Submerged arc flux and method of making same A granular flux suitable for submerged arc electric welding comprising particles of composite fluxing ingredients of the agglomerated or fused type combined with a halogenated polymer as a reducing agent for diffusible hydrogen in the resulting weld metal...	04/05/1994
5233160	Cored electrode with fume reduction A consumable welding electrode for electric arc welding in a shielding gas and producing reduced amounts of fume during said welding comprising in combination a steel sheath and a filler within the sheath. The filler including metallic aluminum powder and...	08/03/1993
5004884	Method of submerged arc welding a thick steel plate with large heat input and submerged arc welding flux A method of submerged arc welding of thick steel plates with a large heat input and flux for submerged arc welding which comprises: forming a groove having a multi-angle shape which has at least two different angular inclination when a single side submerg...	04/02/1991
4719330	Welding electrode A flux-cored, gas shielded welding electrode is disclosed having a generally tubular sheath and a core defined within the sheath, wherein the core includes a slag forming system consisting essentially from about 3 to 12 percent titanium dioxide, less than...	01/12/1988
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
4551610	Tubular welding electrode A formulation for the flux in a cored-type electric arc welding electrode which produces high impact value welds while welding vertically up or overhead and at greater melt-off rates than heretofore. The major flux ingredients are lithium oxide, iron oxid...	11/05/1985
4503129	Shielded metal arc welding electrode for Cr-Mo low alloy steels A shielded arc welding electrode containing in a core wire or a covering flux thereof alloy elements in the proportions satisfying the following conditions. ##EQU1## in which Bw is a coefficient of yield in deposited metal of a wire-o...	03/05/1985
4352970	Wet welding electrodes A wet welding electrode, for manual arc welding underwater, has a coating containing at least one oxidizing agent such as iron oxide, for neutralizing the embrittling effect of nascent hydrogen, and its core contains at least one constituent, e.g. aluminu...	10/05/1982
4343984	Gas-shielded flux-cored wire electrodes for high impact weldments A cored wire electrode for use with a shielding gas, particularly in out-of-position welding, said electrode having a core material containing rutile, an arc stabilizer, deoxidizers including from about 5 to 15 weight percent of a manganese and silicon-co...	08/10/1982
4340805	Welding electrode with a fluoride based slag system A gas shielded, flux-cored welding electrode for vertical or overhead welding as well as for horizontal or flat welding is disclosed having a generally tubular metal sheath and a core defined within the sheath, wherein the core includes a slag forming sys...	07/20/1982
4282420	Welding electrode A flux-cored welding electrode is disclosed having a generally tubular sheath and a core defined within the sheath, wherein the core includes a slag forming system comprising from about 5 to 9 percent titanium dioxide, less than about 2 percent calcium fl...	08/04/1981
4251711	Low-hydrogen coated electrode Coated electrode which can produce a weld metal showing good impact toughness and good COD values. This coated electrode comprises a carbon steel and a coating composition comprising 2 to 12% calculated as TiO2 of a titanium oxide, 0.2 to 8% of...	02/17/1981
4225773	Cored electrode A continuous cored electrode includes a sheath which encloses a core formed of a granular material of the following composition, in percent by weight: The proposed cored electrode is well suited for use in the CO2 welding of low-carbon and low-alloy...	09/30/1980
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
4203024	Flux-cored electrode for welding steels in carbon dioxide A flux-cored electrode intended for arc welding of steels in carbon dioxide s characterized in having a casing of a low-carbon steel filled with a powder flux containing (in weight percent): calcined magnesite: 4-8, feldspar: 6-9, calcium fluoride: 4-5.5, titan...	05/13/1980
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
4149063	Flux cored wire for welding Ni-Cr-Fe alloys A self-shielding, flux cored arc welding electrode for joining Ni-Cr-Fe alloys and overlaying dissimilar metals. The wire has a nickel-chromium containing alloy sheath and a flux core containing special proportions of carbonates, fluorides, metal oxides, ...	04/10/1979
4131781	Submerged arc welding process for nickel containing steel This invention provides a process involving submerged arc welding for nickel containing steel such as steel containing 3.5 weight percent of nickel. The process uses a bond type flux of specific composition to suppress the oxygen content in the weld metal...	12/26/1978
4072845	Welding electrode A metallic powder and flux-cored arc-welding or hard-surfacing electrode having improved metal deposition rate for gas-shielded arc-welding or hard-surfacing processes is disclosed wherein about 24 to about 35% of the total weight of the electrode is cont...	02/07/1978
4021637	Flux-cored wires for electrogas welding In flux-cored wire electrodes for vertical automatic welding, from bottom to top, there is an electric arc under gaseous protection, the wires having diameters of 1 to 4 mm and generally shaped internally in any configuration, such as tubular, heart-shape...	05/03/1977
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

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Class 219/146.3 - Particulate