Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 7361224 | Device for hot dip coating metal strands The invention relates to a device for hot dip coating metal strands (1), particularly strip steel, in which the metal strand (1) can be vertically guided through a reservoir (3), which accommodates the molten coating metal (2), and though... | 04/22/2008 |
| 7305271 | Device and a method for continuous casting A computer program product for controlling an apparatus for continuous casting of metals. The computer program product includes a computer readable medium and computer program instructions recorded on the computer readable medium executable by a processor for perfor... | 12/04/2007 |
| 7195054 | Method and device for sealing a gap between a roller front face and side seal on a roller-strip-casting machine The reliable sealing of a gap (10), between a roller front face (7) and a side seal (3) on a roller-strip-casting machine is achieved by the generation of an electrical eddy field in the region of the gap (10), such as to produce a local ... | 03/27/2007 |
| 7037462 | Overflow transfer furnace and control system for reduced oxide production in a casting furnace An apparatus for transferring molten metal from a melting furnace to a casting furnace is provided. A sensing and control system for the transfer of molten metal from a transfer furnace to a casting furnace is also described. The combination of the transfer apparatu... | 05/02/2006 |
| 7028748 | Cast-rolling plant A plant for the continuous casting of aluminum strip, according to current construction type, has two counterrotating continuous casting rolls (1, 2), between which a casting gap (4) is formed. According to the present invention, the 1. continuous cast... | 04/18/2006 |
| 7024342 | Thermal flow simulation for casting/molding processes A numerical procedure for simulating the behavior of incompressible, viscous fluid in a casting/molding process. The method is based on classical fluid dynamic equations and uses control volume-finite element and numerical techniques to solve the momentum and energy... | 04/04/2006 |
| 7011140 | Gas enhanced controlled cooling ingot mold A cooling mechanism for a casting apparatus having a mold that includes sides, a bottom, and a top defining a cavity. The cooling mechanism allows for simultaneous injection of liquid and gas onto a cast ingot therefore providing a lower minimum operation liquid flo... | 03/14/2006 |
| 6994146 | Electromagnetic die casting A die-casting method and a device for use in the die-casting method are disclosed. The casting material, which can be liquid metal, semi-solid metal or metal-matrix composite, in the shot chamber of a die-casting machine is driven to flow with high shear rate to mix... | 02/07/2006 |
| 6932938 | Method and apparatus for containing and ejecting a thixotropic metal slurry A container system including a vessel for holding a thixotropic semi-solid aluminum alloy slurry during its processing as a billet and an ejection system for cleanly discharging the processed thixotropic semi-solid aluminum billet. The crucible is preferably formed ... | 08/23/2005 |
| 6520246 | Method and device for continuous casting of molten materials Device and corresponding method for the continuous casting of molten materials, comprising a vertical duct having the shape of a funnel made of refractory material for receiving molten material, and a second duct where the molten material is cooled off, t... | 02/18/2003 |
| 6453983 | Device and method for casting metal strips, especially steel, in double roller continuous casting machines A device for casting strips of metal, in particular steel, in twin-roll continuous casting machines having counter-rotating casting rolls. Liquid metal is fed into a space bound by two side walls, between the rotating casting rolls. The gaps, which are fo... | 09/24/2002 |
| 5941298 | Optimized shapes of continuous casting molds and immersion outlets for casting slabs of steel An oscillating mold for continuously casting slabs, preferably of steel, has long side walls and short side walls freely movable relative to the long side walls, and an immersion outlet. The long side walls define a center-symmetrical casting funnel havin... | 08/24/1999 |
| 5848635 | Continuous casting device A continuous casting device includes a pair of cooling rolls (1, 2) that rotate in opposite directions to each other. A pair of side weirs (11) have inner surfaces (11a) that covers the end surfaces (1a, 2a) of the cooling rolls (1, 2) and circular surfac... | 12/15/1998 |
| 5695001 | Electromagnetic confining dam for continuous strip caster An electromagnetic dam is employed to confine a vertically disposed pool of molten metal at the open end of the space between two counter-rotating, casting rolls in a continuous strip caster. The dam comprises three magnetic flux conductors each having a ... | 12/09/1997 |
| 5513692 | Electromagnetic confinement of molten metal with conduction current assistance An electromagnetic confining apparatus prevents the escape of molten metal through the open end of a vertically extending gap between two horizontally extending members, such as two counter-rotating rolls of a continuous strip caster. The molten metal is ... | 05/07/1996 |
| 5495886 | Apparatus and method for sidewall containment of molten metal with vertical magnetic fields A magnetic confining method and apparatus in accordance with the present invention generates, adjacent the open side of the roller gap, a primary vertical magnetic field (a) resulting from direct current (D.C.) or alternating current (A.C.) flowing throug... | 03/05/1996 |
| 5487421 | Strip casting apparatus with electromagnetic confining dam A strip casting apparatus comprises a pair of counter-rotating casting rolls having a vertically extending, arcuately tapering gap therebetween for containing a pool of molten metal. The gap has an open end near which is an electromagnetic dam for prevent... | 01/30/1996 |
| 5469911 | Method for improving surface quality of electromagnetically cast aluminum alloys and products therefrom A method for improving the surface quality of electromagnetically cast aluminum alloy ingot includes the addition of an effective amount of calcium prior to the ingot head of an ingot mold of an electromagnetic casting station. The addition of calcium is ... | 11/28/1995 |
| 5439046 | Process for producing thin sheet by continuous casting in twin-roll system In a continuous casting process in a twin-roll system, a gap is provided between end faces of cooling rolls and side gates or between the circumferential surface of the cooling rolls and side faces of the side gates. A DC magnetic field is applied to the ... | 08/08/1995 |
| 5390725 | Casting machine for vertical continuous casting in a magnetic field The casting machine features a mold (10), a deflection plate (66) with a lower surface (80) for guiding cooling water (20) which is sprayed at high pressure and/or a supporting plate with an upper surface for guiding cooling water (20) flowing at low pres... | 02/21/1995 |
| 5385201 | Sidewall containment of liquid metal with horizontal alternating magnetic fields An apparatus for confining molten metal with a horizontal alternating magnetic field. In particular, this invention employs a magnet that can produce a horizontal alternating magnetic field to confine a molten metal at the edges of parallel horizontal rol... | 01/31/1995 |
| 5279350 | Apparatus and method for magnetically confining molten metal using concentrating fins A magnetic confining apparatus prevents the escape of molten metal through the open side of a vertically extending gap between two horizontally separated members and in which the molten metal is located. The apparatus includes a current conducting coil fo... | 01/18/1994 |
| 5251685 | Apparatus and method for sidewall containment of molten metal with horizontal alternating magnetic fields Molten metal, in the gap between two counter-rotating rolls of a continuous strip-casting apparatus, is prevented from leaking out of an open side of the gap by a magnetic confining apparatus which produces a horizontal magnetic field extending through th... | 10/12/1993 |
| 5197534 | Apparatus and method for magnetically confining molten metal Molten metal, in the gap between two counter-rotating rolls of a continuous strip-casting apparatus, is prevented from leaking out of an open side of the gap by a magnetic confining apparatus employing the proximity effect to produce a horizontal magnetic... | 03/30/1993 |
| 5184667 | Process and installation for the electromagnetic casting of rolled bars from an aluminum alloy having a ripplefree surface During electromagnetic continuous casting of rolled bars from aluminum/magnesium alloys defects in the form of vertical ripples and oxide deposits arise on the bar surface as a consequence of the greatly increased rate of oxidation at the melt surface due... | 02/09/1993 |
| 5052470 | Process for continuous production of an extruded section A process for continuous production of an extruded section, in particular of aluminum or an aluminum alloy, wherein a prefabricated rod is fed to a die by means of a friction wheel and extruded through the die. The rod is formed by casting the molten meta... | 10/01/1991 |
| 5042559 | Method for monitoring the solidification process during continuous casting The trouble free operation of a continuous casting process utilizing a moving electromagnetic field for levitation requires information of sufficient accuracy concerning the position and extent of the solidification front inside the continuous casting die... | 08/27/1991 |
| 4989666 | Process and device for electromagnetically casting metals In a process for electromagnetic casting of round and hollow ingots, in particular such of aluminum and aluminum alloys, the ingot (7) is rotated about its longitudinal axis (x) during casting. This is achieved by way of a rotatable dummy base (6). With t... | 02/05/1991 |
| 4982796 | Electromagnetic confinement for vertical casting or containing molten metal An apparatus and method adapted to confine a molten metal to a region by means of an alternating electromagnetic field. As adapted for use in the present invention, the alternating electromagnetic field given by By =(2μo .rho.gy) | 01/08/1991 |
| 4936374 | Sidewall containment of liquid metal with horizontal alternating magnetic fields An apparatus for confining molten metal with a horizontal alternating magnetic field. In particular, this invention employs a magnet that can produce a horizontal alternating magnetic field to confine a molten metal at the edges of parallel horizontal rol... | 06/26/1990 |
| 4934446 | Apparatus for recrystallization of thin strip material An apparatus and process for recrystallization of thin strip material includes a device for electromagnetically melting the thin strip material to provide a molten surface layer and a substantially solid core. Apparatus provides relative movement between ... | 06/19/1990 |
| 4905756 | Electromagnetic confinement and movement of thin sheets of molten metal An apparatus capable of producing a combination of magnetic fields that can retain a metal in liquid form in a region having a smooth vertical boundary including a levitation magnet that produces low frequency magnetic field traveling waves to retain the ... | 03/06/1990 |
| 4865116 | Continuous metal tube casting method and apparatus Dense, homogeneous tubular metal products such as pipe is cast in long lengths continuously by introducing liquid metal into the lower portion of an annular-shaped casting vessel. The liquid metal is withdrawn in the presence of an outer elongated upwardl... | 09/12/1989 |
| 4800950 | Process for manufacturing a substrate for a lithographic printing plate A substrate for a lithographic printing plate is made of a rolled aluminum alloy sheet of following composition: 0.8 to 2.0% Fe, up to 0.8% Si and up to 1.0% Mn, such that the sum of the Si and Mn contents lies between 0.3 and 1.3%, up to 0.3% Cu, up to 0... | 01/31/1989 |
| 4796687 | Liquid/solid interface monitoring during direct chill casting An apparatus and method for monitoring the liquid/solid interface position of an alloy ingot being formed by either direct chill or electromagnetically enhanced direct chill casting systems comprising an inductive sensor wire disposed about the mold wall ... | 01/10/1989 |
| 4796689 | Mold for electromagnetic continuous casting An electromagnetic mold for vertical continuous casting of rolling slabs, featuring an inductor and an electromagnetic screen partly covering the induction is such that the vertical distance between the lower edge of the inductor and the lower edge of the... | 01/10/1989 |
| 4777999 | Use of magnetic field in continuous casting The continuous casting of heavy metals in a magnetic field is improved by using a magnetic field in the form of essentially uniform flux lines closely parallel to the casting surface. The instability experienced with the liquid meniscus is minimized and h... | 10/18/1988 |
| 4770724 | Continuous metal casting method and apparatus and products The products of this invention are produced in an elongated casting vessel disposed in upright position to receive liquid metal for solidification within an electromagnetic field generating means disposed around the vessel along a portion of its length. T... | 09/13/1988 |
| 4762653 | Process for preparing especially metallic and semi-metallic bands of small thickness The invention relates to the preparation of especially metallic or semi-metallic bands or sheets, particularly with a microcrystalline or amorphous structure. According to this process, an electrically conductive molten material is made to flow from a tan... | 08/09/1988 |
| 4756357 | Process and device for controlling the rate of cooling a continuously cast ingot A process for controlling the rate of cooling an ingot emerging from a continuous casting mold, said ingot being cooled by application of a fluid coolant directly onto the ingot surface, comprises continuous measurement of the cooling capacity and influen... | 07/12/1988 |
