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| Number | Title | Issue Date |
| 6162387 | Vacuum refining furnace A refining furnace used for vacuum refining has a sealing cover mounted on the refining furnace so as to cover the furnace throat of the refining furnace and to be in close contact with a sealing flange (10) formed on the refining furnace. The adhesion of... | 12/19/2000 |
| 6161590 | Welder's windguard A portable windguard for use on a pipe to shield a weld being applied from wind comprising a collar, a Velcro™ belt for attaching and securing the collar to the pipe and a shield extending generally perpendicularly from the collar. The shield can be col... | 12/19/2000 |
| 6036914 | Dumping bay with fume collecting provisions An improved dumping bay particularly adapted for preventing the escape of hazardous fumes into other areas of a facility is disclosed. The dumping bay is fully enclosed and utilizes a unique air flow routing technique for collecting fumes, such as from a ... | 03/14/2000 |
| 5700421 | Cutting nozzle assembly for a postmixed oxy-fuel gas torch A novel cutting nozzle assembly for a postmixed oxygen-fuel gas torch is disclosed. The nozzle assembly includes a cylindrical shroud which surrounds and extends away from the gas discharge orifices in the gas discharge end of the cutting nozzle. The cyli... | 12/23/1997 |
| 5610346 | Apparatus for storing and dropping expendable BOF sensors A sensor dropper for storing, shielding and dropping sensors into a BOF vessel. The sensor dropper includes a support frame to move the stored sensors toward or away from a sensor drop path leading into said BOF vessel, a dropper assembly supported on the... | 03/11/1997 |
| 5429176 | Thermal radiation baffle for apparatus for use in directional solidification A thermal radiation baffle for apparatus for use in directional solidification of crystalline material, to be mounted at one end of a furnace, and to allow a mould containing the material in molten form to pass through, has at least one clamped layer of i... | 07/04/1995 |
| 4569508 | Metallurgical vessel having an opening and a flange around the opening A metallurgical vessel having a bottom, a side wall structure defining an opening remote from the bottom, a refractory lining for the interior of the vessel and a unitary metal flange fixed to the vessel and extending around the opening and over the linin... | 02/11/1986 |
| 4479637 | Apparatus for and method of repairing bottom lining of a converter Apparatus for use in repairing the lining of a metallurgical furnace or converter includes a work platform supported for elevation from below the converter vessel into the opening formed by removal of the bottom plug. A safety shield is supported above th... | 10/30/1984 |
| 4269901 | Device for protection against fire A shield for protection against fire consists of a flexible sheet of heat-insulating material having a resiliently flexible top stiffener secured across its top. Behind the sheet and secured to the top stiffener are two laterally spaced top handles arrang... | 05/26/1981 |
| 4208043 | Holding vessel There is provided a vessel for molten metal, wherein the vessel walls containing said molten metal are constructed of rigid ceramic plates. The vessel walls along those edges along which they are connected together are provided with L- or Z-joints. Mutual... | 06/17/1980 |
| 4149706 | Slag shield for a steel converter Slag shield for a steel converter, comprising a ring of conically set segments around the upper end of the converter. The conically set segments are each provided with two hook-carrying brackets. The hooks near the lower end of the slag shield catching ar... | 04/17/1979 |
