Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7913884 | Methods and apparatus for processing molten materials Various non-limiting embodiments disclosed herein relate to nozzle assemblies for conveying molten material, the nozzle assemblies comprising a body, which may be formed from a material having a melting temperature greater than the melting temperature of the molten ... | 03/29/2011 |
| 7258256 | Surface pressure load device of slide valve A surface pressure releasing plate and a surface pressure releasing bar are slidable relative to each other smoothly by compressing compression springs uniformly. A surface pressure applying device for a slide valve according to the present invention compresses comp... | 08/21/2007 |
| 6913170 | Method and device for continuous casting of liquid steel The invention concerns a nozzle mainly consisting, when viewed in vertical position and in a forward movement of the liquid steel from the top downwards, of a vertical conduit (5) comprising in its upper part a distributing member, arranged substantially at t... | 07/05/2005 |
| 6210629 | Method and device for discontinuous parting off of molten mass The invention pertains to a process and an apparatus for the discontinuous tapping of melts. An inductor surrounds a passage through which the melt is discharged from a vessel. The inductor applies radial electromagnetic energy to the passage to maintain ... | 04/03/2001 |
| 6112954 | Casting nozzle for thin strip casting plants A nozzle for thin strip casting plants, especially for steel strip. In casting plants of this type, the liquid steel must be applied on a carrier from the nozzle forming a casting gap. At least one primary coil and a secondary coil are arranged at the noz... | 09/05/2000 |
| 5968447 | Tapping method for electric arc furnaces, ladle furnaces or tundishes and relative tapping device Tapping method for molten metal from containers (13) including at the lower part a tapping channel (14) associated at the end part with a discharge hole (15) substantially vertical or sub-vertical, the discharge hole (15) being associated at the lower par... | 10/19/1999 |
| 5928556 | Refractory block for continuous casting A refractory block for continuous casting comprising: a unitary assembly comprising: a plate brick having a top, a bottom, sides and a passageway therethrough, and a submerged nozzle having a top, a bottom, sides and a passageway therethrough, the sides o... | 07/27/1999 |
| 5894980 | Jet soldering system and method An apparatus for depositing a selected pattern of solder onto a substrate comprising: a substrate support having structure for bearing a substrate on which one or more electronic components are to be mounted; a solder ejector that defines a cavity for con... | 04/20/1999 |
| 5878939 | Method and apparatus for dispensing liquid solder In order to produce separate measured portions (1") of liquid solder, solid solder (1) in the form of wire or rod is guided through the longitudinal bore of a guide tube (20). A zone including the end (22) of the tube (20) is heated above the solder's mel... | 03/09/1999 |
| 5820815 | Cooled tapping device A cooled elongated, preferably threaded and, tapered, metallurgical taphole plug and a method for using it are described. The plug is inserted into a taphole to cause a plug of molten material to freeze in the taphole such that molten material flow within... | 10/13/1998 |
| 5800773 | Segmented smelt spout A segmented smelt spout comprising an assembly of different casting shapes wherein one shape constitutes the base segment, which is installable in a chemical recovery unit, and the other shapes are a combination of straight and curved cast segments, which... | 09/01/1998 |
| 5772955 | Apparatus for suspension smelting The invention relates to an apparatus for the suspension smelting of sulfidic, finely divided raw materials containing metals, such as copper, nickel and lead, by using oxygen enrichment. In this method into the suspension smelting furnace (1) there is fe... | 06/30/1998 |
| 5707585 | Liquid metal pump and apparatus for use in cleaning and recycling solder A liquid metal electromagnetic pump 17 operates by passing an electric current through the liquid metal in a direction transverse to an applied magnetic field and the longitudinal axis of the liquid metal flow pipe. The direction of the pump is reversible... | 01/13/1998 |
| 5667201 | Smelt spout for a recovery furance A smelt spout for a chemical recovery furnace comprises a trough of U-shaped profile fabricated as a casting in a nickel-chromium alloy containing a minor amount of niobium. A system incorporating the spout includes a cooling arrangement which delivers co... | 09/16/1997 |
| 5649992 | Methods for flow control in electroslag refining process A method of electroslag refining of metal is taught. The method includes the introduction of unrefined metal into an electroslag refining process in which the unrefined metal is first melted at the upper surface of the refining slag. The molten metal is r... | 07/22/1997 |
| 5616166 | Tapping method for blast furnace In tapping method in which molten iron (16) and molten slag (18) are discharged from a blast furnace, a conducting pipe (30) is connected to the external side of a molten iron taphole (12), and an electromagnetic energy supply body (32) is disposed around... | 04/01/1997 |
| 5567218 | Device for extraction by pouring with a regulatable flow rate of a material melted in a melter having cold walls Device for the extraction by pouring at a regulatable flow rate a molten material in a cold structure melter. The melter has at least one part of a floor around a pouring orifice cooled by a flow of water and a heat source able to melt the material to be ... | 10/22/1996 |
| 5437768 | Non-baffled low pressure drop vacuum cooled inserted smelt spout A spout for channeling smelt from a boiler through an opening in the walls of the boiler comprises a jacket having an inner wall and an outer wall. The outer wall is spaced a distance away from the inner wall and the jacket has one end insertable into the... | 08/01/1995 |
| 5409197 | Cooling member for blast furnace tap opening A cooling member for positioning in the refractory wall of a cupola at a location spaced from a tap-hole has a heat-conductive member, such as a copper plate, in contact with a fluid-conducting member, such as a copper conduit. The cooling member is bent ... | 04/25/1995 |
| 5325906 | Direct processing of electroslag refined metal A method for the electroslag refining of metal is provided. The method involves providing a refining vessel to contain an electroslag refining layer floating on a layer of molten refined metal. An ingot of unrefined metal is lowered into the vessel into c... | 07/05/1994 |
| 5198017 | Apparatus and process for controlling the flow of a metal stream An apparatus that controls the flow of a stream of metal, such as produced from the bottom of a hearth, includes a cylindrical metallic nozzle body having a hollow wall which includes a slit extending substantially parallel to the axis of the cylinder so ... | 03/30/1993 |
| 5178780 | Device for closing the pouring hole of a receptacle for liquid metal A fixed plate member, and a movable plate member is mounted against the fixed plate member. The fixed plate member consists of a fixed metal support plate having a plane outer metal surface and a cutout in which is accommodated a wear part made of refract... | 01/12/1993 |
| 5164097 | Nozzle assembly design for a continuous alloy production process and method for making said nozzle A nozzle assembly design and a method for making the nozzle assembly, as well as a method for controlling a continuous skull nozzle process employing the nozzle assembly are provided wherein the cooling heat transfer coefficient at the nozzle is increased... | 11/17/1992 |
| 5116027 | Apparatus for controlling teeming streams Apparatus for constraining the flow of molten metal from a tundish to a mould along the inner periphery of a tube mounted between them. A vertically movable stopper rod is seated at its lower end in a nozzle at the entrance to the tube the end being so de... | 05/26/1992 |
| 5065932 | Solder placement nozzle with inert cover gas and inert gas bleed A nozzle assembly is shown for depositing solder onto a series of conductive surfaces such as the mounting pads of a surface mount integrated circuit board. The nozzle assembly includes a nozzle head which has an interior bore for receiving an elongate he... | 11/19/1991 |
| 5042708 | Solder placement nozzle assembly A nozzle assembly is shown for depositing solder onto a series of conductive surfaces such as the mounting pads of a surface mount integrated circuit board. The nozzle assembly includes an upper nozzle mount and a removeable nozzle head which has an inter... | 08/27/1991 |
| 5040773 | Method and apparatus for temperature-controlled skull melting The invention relates to a method and apparatus for controlling the temperatures of a plurality of zones of a casting hearth or vessel. The invention also relates to a method for controlling the thickness of the solidified skull of castable material in th... | 08/20/1991 |
| 5005632 | Method and apparatus for cooling a flow of molten material A heat transfer conduit for extracting heat from a molten metal in transit from a containing vessel or delivery system includes at least two elongate segments separable along separation lines which lie generally in the direction of a longitudinal center l... | 04/09/1991 |
| 4995446 | Device for cooling a metal during castings The cooling device comprises a supply chamber disposed around a vertical duct and having a front wall which at a spacing intimately follows the shape of the vertical duct, and an evacuation chamber disposed around the supply chamber and separated therefro... | 02/26/1991 |
| 4978039 | Transfer tube with insitu heater An integral transfer tube is produced comprised of a hollow high density ceramic oxide tube having its outer surface wall surrounded by a low density multilayered ceramic oxide shell, and having a heating element comprised of a heating wound portion and t... | 12/18/1990 |
| 4972899 | Method and apparatus for casting grain refined ingots A method and apparatus for casting a grain refined ingot from a metallic melt supplied to a casting mold through a feed tube. The feed tube is provided with at least one cooling passageway through which a cooling fluid cyclically flows to form a zone of f... | 11/27/1990 |
| 4865115 | Pouring device for dual-roll type continuous casting machines Melt flows down through downspouts into a basin defined by a pair of cooling rolls and side dams. Melt is decreased in flow rate to be supplied uniformly through a slit nozzle in a widthwise direction of the cooling rolls so that a solidified shell formed... | 09/12/1989 |
| 4844303 | Ladles for casting metal A ladle for casting molten metal comprising an inner nozzle forming a casting channel and a ladle closing device comprising a fixed element and a moving element, the inner nozzle being surrounded by an annular cooling chamber along part of its length. The... | 07/04/1989 |
| 4750649 | Recovery boiler smelt spout A spout for a recovery boiler such as those used in the papermaking industry. As in prior art spouts of this type, the spout is provided with an internal cavity to thereby permit water cooling of the spout. By this invention, a duct is provided for the in... | 06/14/1988 |
| 4724985 | Teeming ladles An annular cooling chamber extends around the periphery of a ladle nozzle over at least some of the nozzle length, a hollow ring being so disposed in the annular chamber as to extend coaxially of the runner (casting channel), the ring wall being pierced w... | 02/16/1988 |
| 4694889 | Cooling of materials The invention provides an arrangement for producing solid metal with fine solidification structure from liquid metal including the steps of transferring liquid metal with a minimum flow through a hollow carrier; the minimum bulk velocity of the metal thro... | 09/22/1987 |
| 4641768 | Teeming apparatus and method A molten metal teeming valve of the sliding gate type is equipped with means for the injection of gas for various purposes including refractory preheating, lancing, or cooling, etc. The gas injecting apparatus is arranged within the valve organization in ... | 02/10/1987 |
| 4612973 | Cold-hearth melt-spinning apparatus for providing continuous casting of refractory and reactive alloys Cold-hearth melt-spinning apparatus for adapted improved continuous casting of refractory and reactive alloys possesses (1) a cold crucible having a selectively grooved surface operative to reduce both melt "freezing" at the melt/crucible interface and in... | 09/23/1986 |
| 4575325 | Device for atomizing liquid metals for the purpose of producing a finely granular powder Very finely granular metal powders are produced by atomizing a liquid jet of metal by means of a gas jet which, in addition to a continuous band of sound frequencies, contains at least one discrete sound frequency which is at least 5 decibel above the ave... | 03/11/1986 |
| 4562943 | Method of and device for controlling the pouring of a melt An arrangement for controlling the pouring of a melt out of a crucible with a hole in the bottom which hole is blocked while the material is being melted with a closure plate that melts through locally as the result of heat transferred from the melt. To p... | 01/07/1986 |
