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Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 6801563 | Apparatus to manipulate scrap in a scrap charger A scrap charging apparatus for an electric arc furnace includes a scrap holding bunker having diverging side walls extending between end walls separated by a scrap discharge opening supplying scrap from a fall space in the bunker to a scrap discharge chute. The end ... | 10/05/2004 |
| 6438154 | Method and apparatus for recovering metal values from liquid slag an baghouse dust of an electric arc furnace An apparatus and method for processing liquid slag and baghouse dust from a steelmaking furnace such as an EAF to recover valuable metals from the slag and dust includes a treatment vessel having a movable lower shell portion for receiving liquid slag and... | 08/20/2002 |
| 6389054 | Scrap charger A scrap charging apparatus for an electric arc furnace uses a skip hoist to supply scrap to a holding bunker having diverging end walls extending between converging side walls. The containment space for the scrap is increased by this wall arrangement and ... | 05/14/2002 |
| 6347110 | Charging device for low blast furnaces A feeding device for low shaft furnaces, in particular for arc furnaces for melting scrap, it being possible for the furnaces to be closed by a cover connected to a gas-extracting device, and it being possible for a charging apparatus to be set down on th... | 02/12/2002 |
| 6335945 | Electric ARC low-shaft smelting furnace with a central tube with telescopic electrodes and a sliding upper receptacle lid A smelting furnace system for smelting metals, especially steel scrap, with a lower furnace vessel, in the bottom of which a tap hole is provided, and with an upper furnace vessel, which can be closed by a cover, in which a central pipe is provided coaxia... | 01/01/2002 |
| 6269112 | Electric arc furnace for continuous charging with ferrous materials and semicontinuous tapping of molten steel This invention is an electric arc furnace that can be continuously charged with ferrous materials, that can continuously melt the incoming charged materials, and that can semicontinuously tap molten steel by tilting to tap one side of the furnace or anoth... | 07/31/2001 |
| 6235075 | Method and device for producing silicon-rich foundry iron Disclosed is a process and apparatus for generating high-silicon foundry pig iron. In the process: a) silicon oxides and iron-carbon metals are charged in a shaft furnace; b) the charge is kept under a highly reducing atmosphere; c) the material column is guided an... | 05/22/2001 |
| 6155765 | Bulk loader The present invention is a bulk loader apparatus for providing bulk material through an open roof of an electric arc furnace. The bulk loader apparatus is a base, a swing arm pivotally connected to the base, a swing cradle pivotally connected to an upper ... | 12/05/2000 |
| 6136060 | Low cost high speed titanium and its alloy production A method for refining a titanium metal containing ore such as rutile or illmenite or mixtures to produce titanium ingots or titanium alloys and compounds of titanium involves production of titanium tetrachloride as a molten slag, by processing the ore in ... | 10/24/2000 |
| 6004504 | Method and apparatus for controlling bath level and measurement of bath characteristics A method and apparatus for improved control of continuous electric arc furnace steelmaking in which a charge velocity detector measures charge velocity of metallic charge introduced to the furnace. A charge mass detector measures a charge mass of metallic... | 12/21/1999 |
| 5879617 | Apparatus for treating waste materials A method and apparatus for treating residual or waste materials that can be recycled energetically, especially light-weight refuse from shredders, which, reduced in size and classified, are stored in bunkers. The residual or waste material is fed by porti... | 03/09/1999 |
| 5812587 | Apparatus and method for the supply of molten metal The present invention is concerned with an apparatus for supply of molten metal including a holding furnace pivotable about an axis having a metal chamber for holding molten metal, an outlet for supplying molten metal from said chamber and an inlet well c... | 09/22/1998 |
| 5533043 | Installation for producing liquid metal by melting scrap iron An installation for the production of liquid metal by melting a charge of ferrous material, comprising at least one electric melting furnace consisting of a chamber closed by a removable roof and associated with consumable electrodes for melting the charg... | 07/02/1996 |
| 5513206 | Apparatus for preheating and charging scrap materials An apparatus for preheating and charging scrap material includes a throat section (38) having at one end thereof a material charging inlet (37) connected to a furnace shell (2), the throat section extending laterally and upwardly obliquely, a heat exchang... | 04/30/1996 |
| 5500870 | Process and device for the extraction of valuable substances A process and melting furnace unit are provided for extracting valuable substances by reducing oxygen-bound metals which process includes exposing a charge in a first reaction zone of a furnace vessel to heat energy so that a liquid slag floats on a metal... | 03/19/1996 |
| 5479435 | DC arc furnace Provided are a furnace shell with a lower electrode at a bottom of the shell, a furnace roof adapted to close an upper portion of the furnace shell, a material charge port substantially at a center of the furnace roof and two upper electrodes positioned l... | 12/26/1995 |
| 5410566 | Method of producing metal melts and an electric arc furnace therefor In a method of producing metal melts, in particular a steel melt from scrap, in an electric arc furnace having at least one graphite electrode, organic substances are charged into the electric arc through a central longitudinal recess of the graphite elec... | 04/25/1995 |
| 5375139 | Electric arc furnace insitu scrap preheating process The present invention discloses an electric arc furnace wherein the natural gas flow is artificially altered to obtain beneficial effects. By injecting gases, preferably but not necessarily containing oxygen, into the electric arc furnace in the vicinity ... | 12/20/1994 |
| 5218617 | Apparatus for feeding iron-bearing materials to metallurgical furnaces A method and apparatus for feeding iron-bearing particles into a metallurgical furnace such as an electric arc furnace, comprising a vessel for containing a bath of molten iron, having a wall extending above the bath of molten iron, a preferably screw typ... | 06/08/1993 |
| 5153894 | Smelting plant with removable shaft-like charging material preheater This invention is directed to a smelting plant with shaft-like charging material preheater. In a smelting plant with an electric arc furnace (1) and a charging material preheater (2) of shaft configuration arranged laterally on the furnace, the outer wall... | 10/06/1992 |
| 5046145 | Improved arc reactor with advanceable electrode There is disclosed an arc reactor for treating a material in powder form conductive at very high temperatures, the reactor comprising a vertical electrically insulated sleeve cylindrical in shape, an upper electrode coaxially mounted with the sleeve at it... | 09/03/1991 |
| 4995051 | Smelting furnace and method for feeding material to be processed therein The invention relates to a smelting furnace, particularly a D.C. arc furnace, suited for the treatment of finely-divided material, which comprises at least three electrodes suspended through the roof in order to create the electric arc. The process materi... | 02/19/1991 |
| 4870655 | Apparatus for recovery of metallics and non-metallics from spent catalysts An electric arc furnace includes a crucible having a metal shell for recovering precious metals from spent material. The shell includes a metal tap hole and a slag door positioned above and opposite the metal tap hole. A removable swinging roof is provide... | 09/26/1989 |
| 4866731 | Electric furnace arrangement An electric furnace includes a furnace vessel covered by a furnace lid liftable and lowerable by a lid lifting mechanism and pivotable from a position above the furnace vessel into a position lateral of the furnace vessel and back by a lid pivoting mechan... | 09/12/1989 |
| 4841542 | Electric furnace arrangement An electric furnace includes a furnace vessel arranged on a furnace platform and covered by a furnace lid liftable and lowerable by a lid lifting mechanism and pivotable from a position above the furnace vessel into a position lateral of the furnace vesse... | 06/20/1989 |
| 4763337 | Process for melting particulate material In order to melt particulate material in an electric furnace with the help of at least one electric arc burning between a burner electrode arranged in the lid of the furnace and a bottom electrode arranged in the bottom of the furnace, the material is int... | 08/09/1988 |
| 4702461 | Charging electro furnaces An electro furnace for metallurgic operations has its top connected to a vertically extending cylinder, into which a charge pipe leads at an oblique angle. A ceramic plug glides in the cylinder in piston like fashion for selective opening and closing the ... | 10/27/1987 |
| 4697274 | Electric melting furnace arrangement as well as a method of influencing the composition of a mineral melt for producing wool An electric melting furnace arrangement for the continuous melting of spinnable mineral fine-particle or granular materials has a refractorily lined furnace vessel, a plurality of electrodes arranged on a partial circle extending into the furnace vessel f... | 09/29/1987 |
| 4694465 | Apparatus for automatically charging scrap into an arc furnace An apparatus for automatically charging scrap into an arc furnace wherein an inactive position at which a scrap bucket charged with the scrap is normally placed is provided adjacent to the arc furnace; a transport mechanism is provided so that the scrap b... | 09/15/1987 |
| 4674102 | Electric arc furnace For the purposes of charging an electric arc furnace the cover (3) of the furnace is lifted somewhat and, being held by a cover carrier mechanism (10, 11), pivoted to the side. The cover carrier mechanism (10, 11) is connected to a portal structure (13) w... | 06/16/1987 |
| 4662526 | Hoisting mechanism for the cover of a furnace A hoisting mechanism for handling the cover of an electric arc furnace comprises a pivotable gantry base and gantry arms connected thereto which extend over the furnace cover. Traverse bars overlay the gantry arms and are connected to the furnace cover by... | 05/05/1987 |
| 4653065 | Preheating mechanism for use with duplex electric-arc furnace system A preheating mechanism for use with a duplex electric-arc furnace system is disclosed. The mechanism comprises a car travelling in a direction parallel to the straight line connecting the centers of the two furnaces, and a traversing car that is positione... | 03/24/1987 |
| 4617672 | Electric furnace arrangement Electric furnace arrangement including a furnace vessel with liftable and lowerable lid penetrated by at least one electrode. The electrode is fastened to a liftable and lowerable supporting construction by first clamping devices. For lifting the lid, a f... | 10/14/1986 |
| 4569057 | Material feed system for smelting furnaces A feed system for a smelting furnace having a plurality of feed chutes arranged in a spaced apart, circular array. The feed system includes a circular conveyor mounted adjacent the furnace and concentrically with the feed chutes. The conveyor also has a g... | 02/04/1986 |
| 4537551 | Method and means of charging electrothermic smelting furnaces In charging electrothermic smelting furnaces the charge is fed batchwise to the furnace pot through annular charging units arranged more or less concentrically around each electrode. The charge is supplied to each annular charging unit which surrounds eac... | 08/27/1985 |
| 4476564 | Gas exhaust nozzle for arc furnaces Arc furnace has a furnace shell, a furnace lid with lid ring and a lid lifting and swivelling means as well as a lid opening in the furnace lid for exhausting the flue gas from the interior of the furnace and a flue gas exhaust nozzle for removing the flu... | 10/09/1984 |
| 4468164 | Method and apparatus for feeding raw material to a furnace The feeding of batch material to a melting furnace is disclosed. The batch materials are choke fed to keep the total batch crust plus molten glass depth constant. The batch level keeps the arc electrodes submerged and helps promote arc stability and melti... | 08/28/1984 |
| 4455660 | Inclined arrangement of the support surfaces of a furnace body and furnace lid for electric arc furnaces In order to move a furnace body (1) and a furnace lid (2) relative to one another by approximately one furnace body width, the separating surfaces of the furnace body (1) and furnace lid (2) are inclined relative to the horizontal. The direction of moveme... | 06/19/1984 |
| 4451925 | Charging system for electric arc furnaces An arrangement for charging an electric arc furnace with a relatively free-flowing charge of sponge iron or other iron-containing particles distributes the charge of particles within the furnace through a first chute before a melting stage of an electric ... | 05/29/1984 |
| 4435815 | Method and apparatus for charging a furnace The invention relates to a method and apparatus for charging an electric smelting or reduction furnace. In accordance with the invention, a charge tube movable within the roof or smoke hood of the furnace and is normally held in a protected position there... | 03/06/1984 |
