Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7159745 | Method of dispensing metered portions of molten lead A method of dispensing metered portions of molten lead comprises the steps of providing a heater body with a lead reservoir that produces sufficient heat to form molten lead and providing a lead dispensing shuttle plate with at least two lead metered cavities that a... | 01/09/2007 |
| 7021084 | Insulation shielding for glass fiber making equipment An energy-efficient inductive heater operable to heat a rotary glass fiber discharging spinner. The heater includes shielding disposed between the induction coil and the metal guard plates of the heater. The shielding may comprise any electrically insulative or diel... | 04/04/2006 |
| 6913841 | Method and apparatus for producing iron article and product Liquid aluminum is sprayed onto an iron article to produce a thin tenacious non-corrodible layer. In one embodiment, an iron article is heated to at least 400° F. or preferably until cherry red. It is sprayed with a fine aluminum mist generated by heating aluminum ... | 07/05/2005 |
| 6832707 | Refractory nozzle for a metallurgical vessel A refractory nozzle is provided for a metallurgical vessel, in particular for steel melts, wherein the nozzle has a flow-through opening with an upper end, a lower end, and an inner wall laterally enclosing the flow-through opening. In order to improve known dischar... | 12/21/2004 |
| 6832714 | Heated filling device A filling system includes a pressurized source of fill material and a pressure fill head wherein the fill head also includes a beating element positioned so as to transfer heat to fill material passing through the fill head. A method of filling holes using a fill ma... | 12/21/2004 |
| 6811074 | Method and apparatus for dispensing solder on a substrate For dispensing solder on a substrate, a soldering wire and a forming gas heated to a predetermined temperature are fed to a mixing chamber of a two-component nozzle so that, in the mixing chamber, solder is melted off and carried with the gas stream. The solder blow... | 11/02/2004 |
| 6772921 | Refractory nozzle A refractory nozzle is provided for arrangement in the wall of metallurgic vessels, especially for steel melts. The nozzle has a passage opening with an upper end and a bottom end, an inside wall of a solid electrolyte material enclosing the passage opening. At leas... | 08/10/2004 |
| 6676890 | Device for producing spherical balls Spherical balls, notably microballs of welding alloys, are produced by passing a melted material through vibrating orifices of a granulation pot, in order to form droplets which solidify when falling, by gravity, into a cooling tower filled with an inert ... | 01/13/2004 |
| 6640879 | Semi-solid casting apparatus and method A die casting system includes a vessel defining a reservoir with a controlled heater and an agitator for maintaining the bath of semi-solid metal in a homogeneous isothermal state, a transfer system capable of transferring a known quantity of metal in its... | 11/04/2003 |
| 6596221 | Metallurgical vessel having a tapping device and method for the controlled, slag-free extraction of molten metal from said vessel In a metallurgical vessel (1) having a tapping apparatus (5) for the slag-free withdrawal of liquid metal (3) from a molten metal bath (3) which is disposed in the vessel (1), a first leg (11) of a discharge duct (10) passes through the refractory vessel ... | 07/22/2003 |
| 6485674 | Device for producing soft solder Soft solder powder is made in the form of spherical fine metal particles having a grain size ranging from 1 to 100 μm and a Liquidus temperature | 11/26/2002 |
| 6470955 | Semi-solid casting apparatus and method A die casting system includes a vessel defining a reservoir with a controlled heater and an agitator for maintaining the bath of semi-solid metal in a homogeneous isothermal state, a transfer system capable of transferring a known quantity of metal in its... | 10/29/2002 |
| 6436336 | Replaceable drain electroslag guide A melt guide includes a base plate having internal cooling channels and a center aperture extending vertically therethrough. A unitary drain bushing is removably mounted in the aperture and is readily replaceable after wear thereof.... | 08/20/2002 |
| 6425504 | One-piece, composite crucible with integral withdrawal/discharge section A one-piece, composite open-bottom casting mold with integral withdrawal section is fabricated by thermal spraying of materials compatible with and used for the continuous casting of shaped products of reactive metals and alloys such as, for example, tita... | 07/30/2002 |
| 6358466 | Thermal sprayed composite melt containment tubular component and method of making same A tubular thermal sprayed melt containment component for transient containment of molten metal or alloy wherein the tubular member includes a thermal sprayed inner melt-contacting layer for contacting molten metal or alloy to be processed, a thermal spray... | 03/19/2002 |
| 6328926 | Method and apparatus for quick-heating pouring tubes and nozzles A method of preparing a pouring tube such as a submerged entry nozzle (SEN) for use in a continuous casting machine includes steps of preheating at least one portion of the pouring tube by exposing the pouring tube to intensive radiative heat transfer; an... | 12/11/2001 |
| 6312498 | Method of manufacturing solder balls Method for manufacturing solder balls is disclosed. The apparatus comprises a tundish, a vibrator, a cooling liquid tank, an inactive atmospheric chamber, a molten metal receiving tray, a ball collecting barrel and a cooling liquid reservoir. The tundish ... | 11/06/2001 |
| 6276589 | Jet soldering system and method An apparatus for depositing a selected pattern of solder onto a substrate comprising a substrate support, a solder ejector, and an orifice defining structure. The substrate support has structure for bearing a substrate on which one or more electronic comp... | 08/21/2001 |
| 6217825 | Device and fireproof nozzle for the injection and/or casting of liquid metals In a process for splashing and/or teeming liquid metal, in particular steel, through a discharge in the wall or in the bottom of a metallurgical vessel, the discharge is electromagnetically coupled to the electromagnetic field of at least one fluid-cooled... | 04/17/2001 |
| 6213356 | Bump forming apparatus and bump forming method A bump forming apparatus includes a first tank storing fused solder, a cavity having an inlet for the fused solder, a nozzle arranged on a lower portion of the cavity, a pressure element formed by a diaphragm and a piezoelectric element, and a first heate... | 04/10/2001 |
| 6196427 | Systems for controlling the superheat of the metal exiting the CIG apparatus in an electroslag refining process Systems for controlling the superheat of the stream of molten metal from an electroslag refining apparatus is taught. The systems include the introduction of unrefined metal into an electroslag refining process apparatus in which the unrefined metal is fi... | 03/06/2001 |
| 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 |
| 6083454 | Apparatus and method for making uniformly sized and shaped spheres Uniform sized and shaped spheres are formed by applying a minute periodic disturbance to a low viscosity liquid material. Pressure forces the material through at least one orifice in a crucible as a steady laminar stream. The stream enters an enclosed con... | 07/04/2000 |
| 6076375 | Apparatus for delivering a glass stream A method and apparatus for delivering a glass stream comprising a first inner layer and a second outer layer, comprising a generally vertical orifice, and delivering glass from a second source such that the glass from said second source provides an outer ... | 06/20/2000 |
| 5960854 | Hot chamber die-casting machine In a hot chamber die-casting machine, inductively-operating heating devices are associated with the mouthpiece area of the casting container and the nozzle. All of these heating devices are operated with medium frequency. The inductors are cooled with air... | 10/05/1999 |
| 5948312 | Skimmer system A system and process for decontaminating solder which includes a linking pipe with an internal heater in the path of solder flow into a skim tank and transfer pump and valves for moving decontaminated solder from the skim tank into a standby tank which in... | 09/07/1999 |
| 5939016 | Apparatus and method for tapping a molten metal bath An apparatus and method relate to tapping a molten metal bath from a reactor. The apparatus includes a tapping pipe having a tapping pipe inlet and tapping pipe outlet for withdrawing a portion of the molten bath from the reactor. The molten bath can flow... | 08/17/1999 |
| 5924471 | Method of fabricating lead bushings and batteries using same A method for fabricating bushings for lead-acid cells or batteries is provided which is amenable to automation and control and provides relatively porosity-free bushings comprising utilizing a mold having a cavity in the configuration of the bushing desir... | 07/20/1999 |
| 5908066 | Process and device for charging foundry machines For charging casting machines with non-ferrous molten metals, melt (S) is supplied from a withdrawal chamber (6) of a melting furnace (1) having a gas atmosphere to the filling hole (18) of a casting machine. To achieve an economic, easily dosable chargin... | 06/01/1999 |
| 5901776 | Process for the inductive heating of a fireproof molding and a suitable molding therefor A refractory guide member and a method for heating the refractory guide member by use of an inductor, where at least one collateral electromagnetic field located in a region spaced apart from the inductor is generated by the inductor. The mold part is mad... | 05/11/1999 |
| 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 |
| 5891355 | Self-sealing, bottom pouring system A pouring system comprises a crucible having an opening formed on a bottom thereof, and a self-sealing member blocking the opening. The self-sealing member is made of material which is the same as the raw material received within the bottom of the crucibl... | 04/06/1999 |
| 5884687 | Heated-chamber die-casting apparatus A die-casting apparatus has a pair of mold parts together defining a mold cavity and a feed sleeve set in one of the parts and defining a passage having a short inner portion opening into and flared toward the cavity, a long outer portion of uniform cross... | 03/23/1999 |
| 5860575 | Stability enhancement of molten solder droplets as ejected from a nozzle of droplet pump The size and shape of molten solder droplets ejected from a nozzle of a droplet pump are stabilized using flux transported into the aperture region of the nozzle through which the droplets are ejected. The flux is periodically replenished as necessary to ... | 01/19/1999 |
| 5853605 | Liquid metal pouring duct, process and device for homogenizing metal A liquid metal casting conduit (1) is shaped as a partial torus and has an inductor (3) embedded in concrete and whose turns are asymmetrical with respect to the axes (XX') and (YY') of the conduit. It is used for to the homogenization of the metal temper... | 12/29/1998 |
| 5799720 | Nozzle assembly for continuous caster The assembly is designed for transferring molten metal from a molten metal reservoir to a mold for casting molten metal. The assembly comprises a casting nozzle having an electrically conductive top wall and bottom wall and two side walls joined to the to... | 09/01/1998 |
| 5783140 | Method and apparatus for opening discharge outlets A heating element comprising: a body having a heating section; heating means inserted in or adjacent to said body, said means capable of generating heat, having a heat flux Q1 at a temperature T1 ; and heat transfer and concentration means cap... | 07/21/1998 |
| 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 |
| 5697425 | Method of producing thin cast sheet through continuous casting Thin cast sheets having an excellent quality are obtained by continuous casting in which a semi-solidified metal slurry is fed from a continuous production device of the semi-solidified metal slurry through a discharge nozzle provided with means for heati... | 12/16/1997 |
| 5690854 | Regulation and closure apparatus for a metallurgical vessel A regulation and closure apparatus for a metallurgical vessel includes a stator to be disposed in a vessel wall and a rotor is rotatably supported in the stator for choking or blocking melt flow. A heating capability is provided in that the rotor is encom... | 11/25/1997 |
