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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 6978980 | Slide valve closure for the casting of a metal melt and a refractory plate unit belonging to it In a slide valve closure for the casting of a metal melt a slider plate and a stationary closure part are braced against each other by means of spring units or by other means. There is provided a casing framework attachable to a mould or the like, in which is fixed ... | 12/27/2005 |
| 6818175 | System for producing steel The invention relates to a device for producing steel. The invention device comprises a container (1, 101, 201). The metal used is molten, blown and refined in said container which comprises an upper component (5, 205) having at least one opening, a lo... | 11/16/2004 |
| 6619371 | Method and device for controlling the movement of the teeming ladle having a low teeming height in a teeming installation device During a casting operation a teeming ladle is moved relatively horizontally in the X direction and vertically in the Z direction and pivoted about rotational axis A. Thus it becomes possible during automatic casting always to maintain the theoretical fulc... | 09/16/2003 |
| 6379608 | Method for closing and opening a tapping hole of a metallurgical vessel In a method for closing and opening a tapping hole of a metallurgical vessel, in which method a closure body (4), which leaves clear an annular gap between the closure body (4) and the wall of the tapping hole, can be moved out of a waiting position (I) i... | 04/30/2002 |
| 5725043 | Low pressure casting process and apparatus Molten metal is delivered from a master furnace to the molten metal holding chamber of a low pressure casting machine by a launder assembly having a unitary, quickly replaceable, valve assembly including a valve which, when closed, prevents flow of the mo... | 03/10/1998 |
| 5620627 | Discharge assembly and stator and rotor members thereof with two part construction A discharge assembly for controlling the discharge of molten metal from a vessel includes a stator member mounted to extend through the vessel and a rotor member coupled to the stator member to be rotatable relative thereto. A lateral opening in the rotor... | 04/15/1997 |
| 5547014 | Assembly of mold and immersion nozzle with improved discharge channel An immersion nozzle includes an immersion zone inserted into a long-thin mold cavity of a mold. A discharge channel extends through the nozzle for discharging molten metal into the mold cavity. The discharge channel includes an inlet region, an outlet reg... | 08/20/1996 |
| 5494266 | Discharge assembly for tundish A vessel, for example a metallurgical tundish for multi-strand casting, has at least one discharge assembly/block. Such assembly includes a refractory perforated brick fitted in the vessel, the perforated brick having therethrough an opening that is at le... | 02/27/1996 |
| 5230813 | Stator and rotor members for use in apparatus for closing and/or regulating the discharge or tapping of molten metal An apparatus for closing and/or regulating the discharge or tapping of molten metal from a metallurgical vessel is formed by a ceramic stator member to be fixed to a metallurgical vessel and having a pipe-shaped portion having extending therethrough at le... | 07/27/1993 |
| 5223157 | Regulating device for regulating the flow of molten metal from a metallurgical vessel A regulating device for regulating the flow of molten metal from metallurgical vessel includes an inner tubular part which is fixed to the metallurgical vessel and defines at least one through-hole, and a movable outer tubular part rotatably and/or slidab... | 06/29/1993 |
| 5145634 | Closing or regulating apparatus for a metallurgical vessel An apparatus for closing and/or regulating the discharge or tapping of molten metal from a metallurgical vessel includes a refractory outer pipe member having therethrough a discharge passage defining outer and inner openings and a refractory inner pipe m... | 09/08/1992 |
| 5127557 | Shut-off and control valve for use in continuous casting of a thin strip or slab A shut-off and control valve is used in regulating the discharge of molten metal from a metallurgical vessel into a continuous casting plant for continuous casting of a sheet, strip or slab having a relatively wide width dimension with respect to thicknes... | 07/07/1992 |
| 5121860 | Shut-off and control valve for use in continuous casting of a thin strip or slab A shut-off and control valve is used in regulating the discharge of molten metal from a metallurgical vessel into a continuous casting plant for continuous casting of a sheet, strip or slab having a relatively wide width dimension with respect to thicknes... | 06/16/1992 |
| 5085344 | Apparatus for closing and/or regulating the discharge or tapping of molten metal An apparatus for closing and/or regulating the discharge or tapping of molten metal from a metallurgical vessel includes a ceramic stator member to be fixed to a metallurgical vessel and having a pipe-shaped portion having extending therethrough at least ... | 02/04/1992 |
| 5038977 | Pair of refractory blocks for a rotary slide valve closure The refractory block arrangement for a rotary slide valve closure for metal melt containers having a bottom discharge, which arrangement comprises a refractory top block; a refractory rotatable frustoconical discharge block having a discharge flow channel... | 08/13/1991 |
| 5037017 | Horizontal or vertical rotary valve for a metallurgical vessel A rotary valve for controlling the discharge of molten metal from a metallurgical vessel includes a refractory rotor having a cylindrical outer peripheral surface and fitted within a recess defined by a cylindrical inner surface in a refractory stator and... | 08/06/1991 |
| 5025961 | Refractory shutoff assembly capable of improved emergency closing A refractory shutoff assembly for controlling the discharge of molten metal from a metallurgical vessel includes a refractory inner pipe to be fixedly mounted in a bottom of the vessel, such inner pipe having therethrough at least one opening at a positio... | 06/25/1991 |
| 4998650 | Rotary nozzle on a molten steel vessel In a rotary nozzle of the type attached to the bottom shell of a molten street vessel and designed so that a rotor having a sliding plate brick mounted thereon is rotated by a motor through a reducer and gearing to adjust the degree of opening of a nozzle... | 03/12/1991 |
| 4949886 | Horizontal or vertical rotary valve for a metallurgical vessel A rotary valve for controlling the discharge of molten metal from a metallurgical vessel includes a refractory rotor having a cylindrical outer peripheral surface and fitted within a recess defined by a cylindrical inner surface in a refractory stator and... | 08/21/1990 |
| 4932570 | Rotary and/or slide valve for a metallurgical vessel A valve for controlling the discharge of molten metal in a substantially downward direction from a metallurgical vessel has an outer valve part defining an inlet of the valve and an outlet port of the valve, and a refractory inner valve part disposed with... | 06/12/1990 |
| 4869406 | Discharge control device A discharge control device is presented which includes a variable opening formed between two cylinders with parallel axes. The cylinders are mounted between two symmetrical support blocks having bores and are spaced at a distance equal to the sum of their... | 09/26/1989 |
| 4709743 | Casting metal strip In casting thin metal strip or foil by dynamic casting in which molten metal is teemed from a crucible 13 onto a moving belt or wheel, the invention provides an outlet orifice control assembly arranged to define a slot of controlled width through which th... | 12/01/1987 |
| 4543981 | Sliding gate valves In order to resist alteration of the spring forces utilized for applying seal pressure between the valve bodies in sliding gate valves for molten metal pouring, particularly those of the manually operated type, the valve support plate and the mounting pla... | 10/01/1985 |
| 4506022 | Slide Gates High alumina slide gate compositions comprising aluminous grain, carbonaceous material, high purity alumina, silicon metal and resin.... | 03/19/1985 |
| 4498611 | Dual door type rotary nozzle A sliding rotary nozzle assembly for pouring of molten steel has a bottom plate brick and a sliding plate brick, with these plate bricks being arranged as dual doors that may be opened and closed as desired relative to a base plate that includes a flow no... | 02/12/1985 |
| 4457459 | Valve suitable for controlling teeming from furnace tapholes Metal flow from furnace taphole to a pouring trough is controlled by a valve interposed therebetween, the valve having a stationary orificed valve plate and a companion slide plate for closing or opening the orifice to flow. An actuating beam member formi... | 07/03/1984 |
| 4241905 | Head or slide plate for a molten-metal slide gate A head or slide plate for a molten-metal slide gate is formed by a refractory plate having an opening and a refractory ring positioned in the opening, with a ring of tar between the peripheries of the opening and refractory ring and which is isolated from... | 12/30/1980 |
