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| Number | Title | Issue Date |
| 6874676 | Method and structure for welding an air-sensitive metal in air A method and structure for welding an air-sensitive metal, such as titanium, in an ambient environment containing air. The method (10) includes forming a weld (12) through a weld-through coating (14) applied to the weld face(s) (28) and h... | 04/05/2005 |
| 6127644 | Electroslag surfacing using wire electrodes A method for depositing corrosion and wear resistant high alloy overlayers on industrial component substrates. Dilution of alloying components from out of the overlayer into the substrate is minimized by use of electroslag surfacing onto horizontally posi... | 10/03/2000 |
| 6069334 | Electroslag strip overlay method An apparatus and method for depositing an overlay material onto a metal surface. An electroslag strip overlaying process which distributes flux through a trailing flux tube and a forward flux tube eliminates many of the problems associated with electrosla... | 05/30/2000 |
| 5134268 | Submerged arc welding system On conventional method of surfacing the interior of a pipe employing arc welding techniques is to apply a series of annular weld strips to the pipe. A simpler, more efficient method is to apply longitudinally extending strips to the interior of the pipe, ... | 07/28/1992 |
| 5068507 | Electroslag surfacing A method and apparatus for electroslag surfacing of metal plate which utilizes a plate feeder assembly to which the plate is presented and which includes an elongate, horizontally disposed feeder table having an approach-end section and a runout-end secti... | 11/26/1991 |
| 4707581 | Apparatus for the electroslag surfacing of rolling mill rolls Equipment for the electroslag surfacing of rolls. A roll to be surfaced is held in vertical position. One or more vertical supports are provided of which a first platform or lower carriage carrying a rotatable sleeve with an annular crystallizer surroundi... | 11/17/1987 |
| 4621762 | Device for building up a workpiece by deposit welding A device for building up a workpiece of any shape by deposit welding comprising a support device for the workpiece and a welding head for depositing the filler material. A form shoe is arranged on both sides of the workpiece wall that it being built up. E... | 11/11/1986 |
| 4432313 | Aluminum base material with hard facing deposit An aluminum base material with a hard facing deposit which shows extremely good hot hardness properties when subjected to high operating temperatures. The invention provides a hard facing deposit which shows a hot hardness of at least 100 BHN at 600° F.,... | 02/21/1984 |
| 4373128 | Method of electroslag surfacing of components having a cylindrical surface The invention relates to an electroslag surfacing of cylindrical components, such as a rolling-mill roll for iron production. The invention seeks to solve the problems of the electrodes for supplying a high current to the slag, and; how to prevent excess ... | 02/08/1983 |
| 4309587 | Horizontal electro-slag welding process for surfacing Surfacing is conducted with horizontal electro-slag welding by using a strip electrode, and by applying a magnetic field, having component perpendicular to a base metal, to a molten metal and slag pool to control the flow of the molten pool.... | 01/05/1982 |
| 4237361 | Buildup welding of inclined surfaces A method of building up lines or layers of metal on a region of a workpiece, especially a region which terminates at the top of a vertical surface of the workpiece, by fusion arc welding, comprises: building up a barrier along at least one edge of the reg... | 12/02/1980 |
| 4228336 | Method of manufacturing stay ring for water turbine and pump turbine A method of manufacturing a stay ring for a water turbine or pump turbine having an upper annular disc, a lower annular disc and a plurality of circumferentially equal-distantly spaced stay vanes extending between the upper and lower annular discs. The me... | 10/14/1980 |
| 4068111 | Process of working imperfections or defects on generally thickwalled metal worked-pieces A method of repairing casting defects of cast iron workpieces by removing material from the work to provide a smooth cavity, preheating flux material by resistance heating thereof to its melting temperature and filling the cavity by electroslag welding.... | 01/10/1978 |
