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| Number | Title | Issue Date |
| 6935067 | Ice fishing cover device, kit and method of using An ice fishing hole cover device, an associated kit and an associated method of using the kit for assembling the device for use in minimizing ice formation over an existing open ice fishing hole and for use in convenient rapid disassembly of device is disclosed. The... | 08/30/2005 |
| 6619952 | Kiln with drop-down control panel A kiln has a control box pivotably coupled to an oven portion via a hinge at a lower end of the control box so that the control box can pivot about the hinge from a closed position adjacent the oven portion to an open position where an upper end of the co... | 09/16/2003 |
| 5938431 | Device for ensuring the replacement of a strip support roll in heat treatment furnace This device comprises: two pairs of lateral flanges rotatably mounted respectively on a shaft pivoting in the frame of the furnace, each pair of flanges receiving a strip support roll by the agency of removable fastening means; means for driving said pair... | 08/17/1999 |
| 5605454 | Four port tube to extend the life of quartz tubes used for the well drive process A quartz tube with multiple thermocouple ports arranged along its radius allows for the quartz tube to be rotated while the thermocouple is always placed in the bottom position of the quartz tube. This avoids a problem of the sagging of the quartz tube. W... | 02/25/1997 |
| 5249959 | Device for the rapid repair of a blast-furnace plate A device repairs worn depressed surfaces around a tap hole opening in a blast furnace plate. The device includes a preformed frusto-conical member made of a refractory material that is flexible and rapidly baked. A ferrule is formed of frangible material ... | 10/05/1993 |
| 5236490 | Method and apparatus for mounting ancillary equipment to a furnace A furnace has side walls and a bottom wall with a refractory lining. To permit mounting of ancillary equipment such as electrode refractory blocks are fitted to the bottom wall of the furnace. To mount each refractory block a hole is bored through the bot... | 08/17/1993 |
| 5122055 | Casing for kiln A casing for a kiln includes at least one casing unit comprising: vertical and horizontal frame members assembled according to the shape of a framework of the kiln; outer plates secured to at least one of the vertical and horziontal frame members for cove... | 06/16/1992 |
| 5088921 | Heat treatment furnace An elongated, horizontal tunnel-type furnace for heat treating workpieces carried in succession therethrough. The furnace is of modular construction and comprises a series of contiguous individual modular sections that define a tunnel-type enclosure. Each... | 02/18/1992 |
| 4959012 | Apparatus for repairing brick/refractory in a process heater An apparatus for securing loose wall brick or refractory lining in process heaters eliminates the need for the assistance of personnel outside the heater. Also, the requirement for scaffolding outside the heater is eliminated. Brick or refractory lining o... | 09/25/1990 |
| 4913649 | Repair of the refractory lining of the wall of a shaft furnace and a repaired shaft furnace In the repair of a refractory lining of a shaft furnace having a steel shell, a worn residual refractory lining inside the shell and cooling plates extending through the shell into the refractory lining, the worn lining is retained and an additional linin... | 04/03/1990 |
| 4905630 | Method and apparatus for renewing a vertically disposed steam generator, in particular in nuclear power plants A vertically disposed steam generator includes a pressure vessel containing: a tube plate, chambers, a bundle of U-shaped bent heating tubes with supporting anchors, a steam trap above the heating tubes, and tubes for a secondary medium discharging into t... | 03/06/1990 |
| 4859175 | Apparatus and process for optimizing combustion in chamber-type furnaces for baking carbonaceous blocks The invention concerns a process and an apparatus for optimizing combustion in a furnace which has open chambers, referred to as a ring furnace, for the baking of carbonaceous blocks, the furnace comprising a plurality of preheating, baking and cooling ch... | 08/22/1989 |
| 4818216 | Method and apparatus for removing fuel gun from boiler Apparatus and method for withdrawing a tightly fitting fuel gun from the tubular gun port of a boiler employs a spreader with movable jaws inserted between the gun port and an enlarged external portion of the gun. One jaw of the spreader engages the outer... | 04/04/1989 |
| 4812092 | Feed hopper for a loading installation of a shaft furnace The hopper comprises a cylindrical side wall supported by an annular rolling ring so as to be rotatable about its vertical axis, and a funnel shaped bottom with a central outflow orifice controlled by a valve. To allow rapid removal of the rolling ring, t... | 03/14/1989 |
| 4670958 | Extracting device for a gas-purge brick A device is provided for extracting a sheet-metal-encased gas-purge brick from a perforated brick or a perforated-brick sleeve simply, quickly and without causing any appreciable contamination. The device consists of a frame adapted to rest upon the exter... | 06/09/1987 |
| 4535727 | Heat exchanger with adjustable platform for cleaning and repairing The synthesis gas cooler is provided with a movable platform in the space between the inner and outer flue. The platform may be constructed in segments with separate cable and winch means provided for raising and lowering of the platform segments via susp... | 08/20/1985 |
| 4474497 | Furnace maintenance platform A maintenance platform for reaching the upper area of the furnace (10) of a steam generator that can be quickly and easily assembled during a maintenance shutdown. The grid or frame of the platform is made up of a plurality of beams (22) extending into th... | 10/02/1984 |
| 4375956 | Hot blast stove arrangement for a blast furnace In a support construction for a hot blast main which is connected by respective branches to the outlets of a plurality of hot blast stoves of a blast furnace, the main is suspended on each stove by means of a rod system secured to a stiffened transitional... | 03/08/1983 |
| 4336443 | Modular bake oven for drying varnished electrical components A modular oven device for baking rewound and varnished electrical components of substantial size includes front and rear oven sections, sized to pass individually through a passageway too narrow to accommodate the component to be baked, and assembled on a... | 06/22/1982 |
| 4314967 | Fluidized bed reactor with vertical cooling coils A fluidized bed reactor is provided with heat exchange coils for controlling the temperature of the fluidized bed, with only vertically oriented sections of the coils exposed to the erosive conditions in the fluidized bed. The vapor-liquid circuit, of whi... | 02/09/1982 |
| 4120641 | Ceramic fiber module attachment system A ceramic fiber module, suitable for lining furnaces, comprises a weldable (metallic or perforate refractory) backing and a number of ceramic fiber mats cemented to the backing by the edge of the mat, so as to leave a portion of the backing accessible bet... | 10/17/1978 |
| 3945105 | Automatic grate changing system and methods of utilizing and constructing same An apparatus and method for automatically replacing damaged conveyor grates which can be remotely controlled. The apparatus is disposed slightly above the empty, return side of the conveyor at the cool end, and performs its function in this maintenance ar... | 03/23/1976 |
