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| Number | Title | Issue Date |
| 8097205 | Continuous annealing equipment Continuous annealing equipment contains: a heating zone, a soaking zone, and a rapid cooling zone, the rapid cooling zone having gas jet cooling equipment and is provided with at least one pair of seal rolls at each of an inlet and an outlet thereof and bridle roll ... | 01/17/2012 |
| 8025835 | Furnace configured for use in both the galvannealing and galvanizing of a metal strip A heat treatment or heat soak furnace for use in both galvannealing and galvanizing processes including a heating apparatus configured to supply heat and remove heat. The heating apparatus may draw hot air from the exhaust of a direct fire strip annealing furnace, g... | 09/27/2011 |
| 7381363 | Plasma processing apparatus for powder and plasma processing method for powder A plasma processing apparatus for powder, and a plasma processing method of powder, in which a powder supply nozzle is provided to supply a powder material into plasma flame generated inside a high-frequency coil, the powder supply nozzle arranged substantially radi... | 06/03/2008 |
| 7339145 | Apparatus and a method for induction heating of pieces of electrically conducting and non-magnetic material An apparatus and a method for induction heating of pieces or blanks (10) of electrically conducting and non-magnetic material, wherein a device creates a static magnetic field (3) and a second device is arranged to cause a relative movement (4) ... | 03/04/2008 |
| 7198684 | Method for manufacturing articles using a semi-continuous flow of workpieces through metal working and annealing apparatus A plurality of gas turbine components or other articles are manufactured from a plurality of metallic-alloy workpieces using a manufacturing apparatus having a metalworking apparatus, and an annealing apparatus wherein the individual workpieces are annealed by singl... | 04/03/2007 |
| 7192551 | Inductive heating process control of continuous cast metallic sheets An apparatus for rolling of a powder metallurgical metallic workpiece is provided having a feeding device, a first induction heating apparatus in operable communication with a first RF generator and at least a first hot rolling mill. A process control device monitor... | 03/20/2007 |
| 7056806 | Microfeature workpiece processing apparatus and methods for controlling deposition of materials on microfeature workpieces The present disclosure provides methods and apparatus useful in depositing materials on batches of microfeature workpieces. One implementation provides a method in which a quantity of a first precursor gas is introduced to an enclosure at a first enclosure pressure.... | 06/06/2006 |
| 6830634 | Method and device for continuous annealing metallic ribbons with improved process efficiency A thin metallic ferromagnetic alloy ribbon is annealed by continuously transporting it through an oven in order to induce specific magnetic characteristics and in order to remove a production-inherent longitudinal curvature of the ribbon. While the heat-treatment oc... | 12/14/2004 |
| 6811396 | Continuous casting unit with post-arranged furnace, roughing stand and finishing train The aim of the invention is to develop a hot rolling unit, comprising at least one continuous casting unit (1) with a post-arranged furnace (4), followed by a roughing stand (5) and, over a strip edge guide, a soaking furnace (15) and fin... | 11/02/2004 |
| 6733721 | Strand galvanizing line A method for annealing and galvanizing wires which comprises induction heating the wires in a first chamber at a first higher temperature to anneal the wires, cooling the wires to a second lower temperature in a second chamber and galvanizing the wires in a third ch... | 05/11/2004 |
| 6505483 | Glass transportation system A pressure pad array is used to float glass sheets from a glass heating furnace to a ring mold in a press bending station. The pressure pads have transversely spaced, longitudinally-extending slotted nozzles angled towards one another to provide a static ... | 01/14/2003 |
| 6478899 | Installation for making cold rolled stainless steel bands A stainless steel band is continuously cast. The stainless steel band is descaled and cold rolled. The cold rolled band is annealed and descaled or bright annealed. The band is finish formed and finally coiled. The stainless steel band is not coiled after... | 11/12/2002 |
| 6444163 | Heat shielding apparatus for vertical continuous annealing furnace A shielding apparatus for intercepting heat from a heating source disposed in a vertical continuous annealing furnace includes a double-walled tube having an outside atmosphere suction port projected horizontally or downward to be exposed to an outside at... | 09/03/2002 |
| 6416707 | Method and apparatus for producing fine wire In a method for producing fine wire, a wire blank is transformed by a heat treatment process into a drawable state, the wire blank is drawn to a drawn wire, and, subsequently, the drawn wire is subjected, to a hardening and tempering process in order to o... | 07/09/2002 |
| 6413470 | Device for guiding bands in a suspended manner The invention relates to a device for guiding bands in a suspended manner and for stabilizing bands, preferably wide metal bands, for the purpose of heat treating the same. In the device, the band is blown on both sides with the aid of suspended nozzle se... | 07/02/2002 |
| 6340444 | Heat treatment apparatus A heat treatment apparatus includes rollers that slide and move an image recording sheet on the surface of a heating member while pressing at least a portion of the sheet against the surface of the heating member. The temperature of a dummy unit, provided... | 01/22/2002 |
| 6309482 | Steckel mill/on-line controlled cooling combination The in-line combination of a reversing rolling mill (Steckel mill) and its coiler furnaces with accelerated controlled cooling apparatus immediately downstream thereof and associated method permits steel to be sequentially reversingly rolled to achieve an... | 10/30/2001 |
| 6280542 | Method and apparatus for the manufacture of a steel strip Method for the manufacture of a steel strip, wherein molten steel is cast into a slab, conveyed through a furnace, roughed in a roughing apparatus and finish-rolled in a finishing apparatus. The method comprises an endless or semi-endless process having e... | 08/28/2001 |
| 6264769 | Coil area for in-line treatment of rolled products Apparatus for the production and heat treatment of coiled elongated metal product of relatively small cross section, such as rods, bars and wire-rod material, is described. The elements required for the conduct of a variety of heat treatments can be perfo... | 07/24/2001 |
| 6259071 | Single-point temperature control system for a multi-section line furnace A single-point temperature control system is used with a multi-section furnace to control the exit temperature of a metal workpiece discharged from the furnace. The furnace consists of at least first, second and third sections. The temperature is sensed a... | 07/10/2001 |
| 6200397 | Method and apparatus for strip anode wrapping for cathodic protection of tubular members A novel method and apparatus to apply a corrosion protection in the form of a zinc (or other sacrificial anodic material) tape to a tubular member such as pipe or coiled tubing to used as an underground or underwater pipeline or flow line is disclosed. Th... | 03/13/2001 |
| 6126895 | Process and apparatus for the preparation of particulate or solid parts The present disclosure is directed to a method of converting green particles to form finished particles. The apparatus used for sintering incorporates an elongate hollow tube, an insulative sleeve there about to define an elevated temperature zone, and a ... | 10/03/2000 |
| 6120625 | Processes for producing fine grained metal compositions using continuous extrusion for semi-solid forming of shaped articles There are provided a continuous frictional extrusion process for continuously producing a deformed fine grain solid metal composition suitable for semi-solid forming. The process is featured by a large range of produce dimension and by precise control of ... | 09/19/2000 |
| 6031206 | Tower furnace for the heat treatment of metal strips A tower furnace for the heat treatment of metal strips comprises a muffle (3) extending over the entire furnace height, through which muffle passes the strip (6). At the top of the muffle (3) an insulated stopper (1) with an electric heater (2) has been i... | 02/29/2000 |
| 6015526 | Vertical annealing furnace for a strip treatment device The vertical annealing furnace for the continuous bright annealing of a metal strip guided through the furnace comprises: a vertically disposed muffle having a strip entry side and a strip exit side, the muffle having the freedom to expand in a longitudin... | 01/18/2000 |
| 6007761 | Heat treating furnace for a continously supplied metal strip A continuous heat treating furnace in which heat is efficiently recovered from the combustion exhaust gas from the heating section of a continuous annealing furnace. The continuous annealing furnace of the metal strip is a heating furnace or a heating dev... | 12/28/1999 |
| 5916388 | Method and apparatus for the treatment of stainless steel surfaces The invention includes an apparatus and associated method of increasing the pump-out efficiency of H2 O by, for example, reducing the staying time or the probability of sticking of H2 O or analogous molecules on a stainless steel sur... | 06/29/1999 |
| 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 |
| 5868996 | Device for manufacturing curved helical springs The objects are a reliable and economical method of and device for manufacturing helical springs that are curved when unstressed from sections of wire or rod heated to coiling temperature. The spring is coiled straight and then curved it to its final shap... | 02/09/1999 |
| 5866064 | Sealing apparatus for compartment inlet/outlet of atmosphere facility Elastic rotation rolls can be installed easily at optimal positions, and stable sealing performance can be attained for an extended period of time. Seal discs 47 are disposed at both ends of the roll shaft 46 of each elastic rotation roll 44 in the axial ... | 02/02/1999 |
| 5833455 | Dry roll furnace arrangement A dry furnace roll design operates at a high temperature environment of a metal heating furnace by arranging weld metal joining a roll sleeve to roll bells at opposite ends in cavities formed in the sidewalls of the furnace. A dense filling of ceramic fib... | 11/10/1998 |
| 5833778 | Apparatus and method for the manufacture of DR steel strip Apparatus and method for manufacture of DR (Double Rolled) steel strip in which a continuous annealing furnace is arranged for annealing of cold-reduced steel strip passing continuously through said furnace, and a rolling mill for cold-rolling of steel st... | 11/10/1998 |
| 5820704 | Process for the continuous production of a rolled stainless steel sheet strip and continuous production line for carrying out the process Process for continuously producing on a production line a rolled stainless steel sheet product having an improved surface state, characterized in that the hot produced sheet is subjected to a treatment comprising at least: a primary pickling for removing ... | 10/13/1998 |
| 5785772 | Method and apparatus for controlling galvanneal induction furnace operation A method for controlling operation of a galvanneal induction furnace includes the steps of providing a steel strip having a molten zinc coating applied thereto and transporting the strip to an induction furnace in which the strip and coating are to be all... | 07/28/1998 |
| 5700423 | Hearth roll with superior endurance capacity A hearth roll with a cermet thermal spray coating on the roll surface which is composed of a heat resistant MCrA1Y (M: Fe, Ni, Co) alloy where the amount of A1 is below 10 at. % and the combined (Al+Cr) amount is between 13-31 at. % and at least one oxide... | 12/23/1997 |
| 5700424 | System for preparing aluminum alloy strip having improved formability and bake hardenability A system for heat treating a rolled strip of Al--Mg--Si alloy includes a primary heating zone for solution treating the strip at 480° C. or higher, a first cooling zone for cooling the strip at a rate of at least 100° C./min. to 100° C. or lower, a sec... | 12/23/1997 |
| 5693288 | Seal assembly for thermal treatment furnaces using an atmospheric gas containing hydrogen gas A seal assembly (3) located at an entrance and/or exit of a heat treatment furnace for heat treating a metallic strip (S) with no formation of oxide films on the surface thereof, using an atmospheric gas containing hydrogen gas and including an elastic ro... | 12/02/1997 |
| 5693287 | Apparatus and method for the manufacture of DR steel strip Apparatus and method for manufacture of DR (Double Reduced) steel strip in which a continuous annealing furnace is arranged for annealing of cold-reduced steel strip passing continuously through said furnace, and a rolling mill for cold-rolling of steel s... | 12/02/1997 |
| 5658527 | Method of detection and treatment of fires in seal means of comparted entrance and exit of furnace for continuous thermal treatment of metallic strips and the like A seal device is provided in each comparted entrance and exit of a furnace for continuous thermal treatment of a metallic strip using a flammable atmospheric gas. The seal device is provided with seal members for sandwiching the metallic strip to seal the... | 08/19/1997 |
| 5616295 | Floating furnace In the furnace a plurality of floaters are arranged in series in a direction in which the metal strip is transferred. The strip is fed through the furnace, floated by these floaters. A test floater is installed along the strip transfer pathway. The height... | 04/01/1997 |
