Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8069903 | Method and apparatus for sealing an ingot at initial startup A continuous casting furnace for producing metal ingots includes a molten seal which prevents external atmosphere from entering the melting chamber. A startup sealing assembly allows an initial seal to be formed to prevent external atmosphere from entering the melti... | 12/06/2011 |
| 7323135 | Apparatus for controlling gas layer thickness on the surface of casting rolls in a twin roll strip caster An apparatus for controlling gas layer thickness on the surface of casting rolls in a twin roll strip caster includes: a pair of chambers fixedly mounted on both lateral portions of the meniscus shield in a width direction of a strip; blocking units for blocking int... | 01/29/2008 |
| 7243702 | Continuous casting method for manufacturing thin cast strips and continuous casting machine In a method of manufacturing a plurality of coil-shaped thin cast strips while molten metal r is being supplied to the molten metal pool 3 formed by a pair of cooling drums 1, 1 and a pair of side dams, when a casting operation corresponding to one coi... | 07/17/2007 |
| 7216693 | Strip temperature regulating device in a continuous metal strip casting plant A temperature regulation device for the strip (3) produced in a continuous casting plant with ingot mold (16) comprising a pair of cooled, parallel, counter-rotating rolls (2, 2′), closed by two plates at the axial ends of the rolls, includes ... | 05/15/2007 |
| 7159641 | Cooling drum for thin slab continuous casting, processing method and apparatus thereof, and thin slab and continuous casting method thereof A cooling drum for metal cast strip by continuous casting has dimples 40 to 200 μm in average depth and 0.5 to 3 mm in diameter of circle equivalent formed on a plated peripheral surface of the cooling drum, adjacent to each other at rims of the dimples; and a film... | 01/09/2007 |
| 7121324 | Device for casting of metal A device for continuous or semi-continuous casting of metal comprising a mould having a number of mould elements (1, 2) which together form a mould adapted for receiving a liquid metal (6), a mould supporting structure (30, 31) surrounding the m... | 10/17/2006 |
| 7121322 | Strip-casting machine for production of a metal strip The invention relates to a strip-casting machine for production of a metal strip, comprising two adjacent case-width casting rollers (22, 24), forming a casting gap (15′), with side seals (25) arranged on the front face thereof. The rotating c... | 10/17/2006 |
| 7108047 | Method for operating a strip casting machine and jacket ring for a casting roll used to carry out said method The invention relates to a method for operating a strip casting machine (10), whereby molten metal (18) is poured between two rotatable casting rolls (11, 12). A gaseous film (G) is formed between the respective surfaces (11′, 12′) of... | 09/19/2006 |
| 7093646 | Dual roll casting machine and method of operating the casting machine A twin roll casting machine that can reduce an amount of inert gas to be fed for prevention of oxidization. The machine includes an enclosure enclosing a strip in a range from chilled rolls to pinch rolls, a first swing wall within the enclosure and having a tip end... | 08/22/2006 |
| 7086449 | Device for continuously casting metals, especially steel An apparatus for the continuous casting of metals, especially of steel, is equipped with a base frame (2) carrying a continuous casting mold (1) and an oscillating device (3) disposed on the base frame (2) and with a foot roller frame ( | 08/08/2006 |
| 7073564 | System for homogenizing a molten metal film A method and apparatus for making a molten film of metal, in particular a steel film, more uniform by strip casting, in which the molten material which is applied to a revolving belt is to have a thickness and properties which are as uniform as possible across the w... | 07/11/2006 |
| 7021364 | Apparatus for preventing the contamination of casting rolls and bulging of strip in a twin roll strip caster An apparatus for preventing bulging of both edges of a strip while preventing contamination of a roll surface in a twin roll strip caster including a meniscus shield (5) and a plurality of weirs (12). The apparatus comprises: first chambers (60)... | 04/04/2006 |
| 7000679 | Casting, vertical casting method and vertical casting apparatus A molten steel of a special steel or the like including a high-alloy steel is poured in a mold whose bottom portion is closed with a dummy head of a lift table. As the lift table is vertically moved down at a given casting speed, a casting whose lower end is support... | 02/21/2006 |
| 6920912 | Casting steel strip Roll caster (11) produces thin steel strip (12) formed on casting surfaces (22A) of casting roll (22) that passes through first enclosure (37) adjacent casting roll surfaces (22A) and, optionally, thereafter second enclosure... | 07/26/2005 |
| 6793005 | Method and apparatus for continuously casting uranium rod Disclosed are a method and an apparatus for continuously casting a uranium rod so that impurities generated in melting the metallic substance reduced from nuclear spent fuel are easily removed, the molten metal is easily degassed, the oxidation of uranium is prevent... | 09/21/2004 |
| 6776218 | Casting steel strip A twin roll caster (11) produces thin steel strip (12) which passes through a first enclosure (37) to a pinch roll stand (14) including pinch rolls (50) through which the strip passes into a second enclosure (61). The strip ... | 08/17/2004 |
| 6655446 | Apparatus and method for casting amorphous metal alloys in an adjustable low density atmosphere An apparatus and method for casting metal strip includes a moving chill body that has a quench surface. A nozzle mechanism deposits a stream of molten metal on a quenching region of the quench surface to form the strip. The nozzle mechanism has an exit po... | 12/02/2003 |
| 6622778 | Method for the direct production of scale-free thin metal strip A method for the direct production, from molten metal, of scale-free thin metal strip. Hot thin metal strip exiting a continuous caster system is directed to a reducing chamber wherein a reducing gas reduces strip surface oxides while the cast metal strip... | 09/23/2003 |
| 6588491 | Apparatus for the direct production of scale-free thin metal strip A method and apparatus for the direct production, from molten metal, of scale-free thin metal strip. Hot thin metal strip exiting a continuous caster system is directed to a reducing chamber wherein a reducing gas reduces strip surface oxides while the ca... | 07/08/2003 |
| 6581674 | Method and device for homogenizing a molten metal film Disclosed is a method and apparatus for making a molten film of metal, steel, in particular a steel film, more uniform, by strip casting, in which the molten material which is applied to a revolving belt is to have a thickness and properties which are as ... | 06/24/2003 |
| 6536504 | Continuous strip casting device and method of use thereof Continuous strip casting device comprises a pair of parallel casting rolls onto which molten metal is supplied by metal supply means. Casting rolls are enclosed by a casting chamber into which hot strip is delivered downwardly from the casting rolls. Stri... | 03/25/2003 |
| 6453984 | Apparatus and method for casting amorphous metal alloys in an adjustable low density atmosphere An apparatus and method for casting metal strip includes a moving chill body that has a quench surface. A nozzle mechanism deposits a stream of molten metal on a quenching region of the quench surface to form the strip. The nozzle mechanism has an exit po... | 09/24/2002 |
| 6446702 | Apparatus and method for producing metallic ribbon An apparatus for producing a metallic ribbon includes a cooling roll, a melt nozzle, and an air-cutoff unit provided to cover at least a portion of the periphery of the cooling roll and at least the melt blowout end of the melt nozzle, for preventing an i... | 09/10/2002 |
| 6443220 | Method of preventing contact of oxygen with a metal melt In a method of preventing contact of oxygen with a metal melt, metal melt flows into a casting chamber bounded by walls (1, 2, 13) and leaves this chamber as a stream. In order to completely prevent contact of oxygen with a metal melt and thus reoxidation... | 09/03/2002 |
| 6263953 | Method and installation for producing "light steel" by continuous casting with gas inclusion The problem with continuous casting methods is the production in a single cast of structured material shapes presenting hollow cavities. To this end the invention provides for a continuous casting method comprising the following steps: a) the material is ... | 07/24/2001 |
| 6260605 | Facility and method for the continuous casting of metals The continuous casting installation includes an ingot mould the walls (1) of which are formed by cooled metal walls (2) surmounted by a hot-top element (3) made of a heat insulating material. Holes for injecting a gas under pressure, such as a slot (10), ... | 07/17/2001 |
| 6050324 | Continuous casting mold for the vertical casting of metals The mold comprises a tubular metal component (4), made of copper or a copper alloy, cooled by water circulation against its external wall and intended to ensure that the cast metal undergoes peripheral solidification on contact with its internal wall, and... | 04/18/2000 |
| 6047763 | Metal ribbon manufacturing apparatus A metal ribbon manufacturing apparatus which comprises a cooling roll having a cooling surface for cooling a melt, a melt nozzle confronting the cooling surface with a prescribed gap maintained between it and the cooling roll, gas flow supply means for su... | 04/11/2000 |
| 5967220 | Caster including a gas delivery means to resist backflowing and freezing of molten metal to the tip of a nozzle A caster including a device for delivering a gas into a space created by the apparatus that define the mold of the caster and the nozzle of the caster. Introducing a gas into the space resists backflowing and freezing of the molten metal to the nozzle.... | 10/19/1999 |
| 5947182 | System for producing continuously metallic coil A metallic coil production system by providing a cooler downstream of a heat-treating furnace in a line of continuous casting of a thin strip-like slab, hot rolling, and heat treatment and providing, downstream of the cooler, a pickling device, a trimmer,... | 09/07/1999 |
| 5904204 | Apparatus for producing strip of stainless steel An apparatus for the production of a stainless steel strip comprising the following devices provided in sequence: a twin-drum continuous casting machine; an atmosphere control cover having in its interior a bridle roll or a pinch roll; a hot-rolling machi... | 05/18/1999 |
| 5855238 | Process and device for the continuous production of sheet metal strips A mother strip with a metallically pure surface is passed through a melt bath of a metal and whereby the coating is smoothed by rolling immediately after leaving the melt bath. The mother strip, having been preheated, to a temperature clearly above ambien... | 01/05/1999 |
| 5816311 | Twin roll continuous caster To suppress generation of scales on surfaces of a strip and to reduce the amount of non-oxidizing gas consumed in the casting of strip in a twin roll caster there is provided downstream apparatus comprising pinch rolls 17a and 17b for pinching a strip 4 c... | 10/06/1998 |
| 5787967 | Process and device for adjusting the crown of the rolls of metal strip casting plant The solidification of the strip (9) is performed by introducing liquid metal between two horizontal rolls rotating in opposition directions (1, 1') which are cooled by an internal circulation of a coolant fluid. A casting space is defined between the roll... | 08/04/1998 |
| 5743323 | Apparatus for continuous casting A continuous casting apparatus comprises continuously supplying molten metal from a tundish to a cooled mold having an inlet and an outlet at least through a break ring, forming a cast section by continuously cooling the molten metal in the mold and start... | 04/28/1998 |
| 5676195 | Method of and apparatus for limiting ingress of gas to incipient continuous cast slabs Ingress of gas such as air through the joint of a pour tube and tube holder of a continuous caster is prevented or inhibited by passing an inert gas into a circumferential channel around the orifice and at the interface of the joint; the gas is evenly dis... | 10/14/1997 |
| 5670075 | Sealing gas delivery system for sliding joints In the continuous casting of steel, gas is prevented or inhibited from contacting molten steel through the valve slide plate by feeding inert gas through channels in the slide plate and adjacent parts; the channels contain porous refractory inserts and ca... | 09/23/1997 |
| 5660224 | Twin-roll continuous casting device having an inerting shroud The twin-roll continuous casting device comprises two counterrotating rolls (1, 2), having parallel axes, defining between them a casting space (5), and a shroud (4) placed above the casting space and including two longitudinal walls (41) which extend res... | 08/26/1997 |
| 5645121 | Method of continuous casting using sealed tundish and improved tundish seal A tundish used in a continuous steel casting operation is sealed to permit effective purging of the tundish to eliminate free oxygen and nitrogen by providing a plurality of generally rectangular planar sealing boards of refractory fiber material having s... | 07/08/1997 |
| 5613545 | Inert gas injecting plate brick or insert nozzle brick for use in a sliding gate valve apparatus of molten metal This invention relates to an inert gas injecting plate brick or nozzle brick for use in a sliding gate valve apparatus of molten metal, characterised in that said plate brick or insert nozzle brick is horizontally split into at least two parts, and a numb... | 03/25/1997 |
