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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7413780 | High strength galvannealed steel sheet excellent in workability and a method of production of the same Galvannealed steel sheet simultaneously able to achieve excellent workability and high strength and a method of production of the same are provided as an objective, in particular high strength galvannealed steel sheet excellent in workability, comprising high streng... | 08/19/2008 |
| 7357011 | Method and apparatus for manufacturing metal strips The invention concerns a method for producing metal strip (1) in an installation (2), in which a metal strand, especially a thin slab, is brought to a desired temperature and/or is maintained at a desired temperature in a furnace (3, 3a, ... | 04/15/2008 |
| 7334446 | Method for producing a striplike pre-material made of metal, especially a pre-material which has been profiled into regularly reoccurring sections, and device therefor This invention describes both a method and apparatus to practice a method which produces a strip-like pre-material from metal using rollers which have a roll gap in which the metal strip is discontinuously rolled in successively steps between the same two rollers wi... | 02/26/2008 |
| 7305859 | Rolling mill The rolling mill comprises a pair of work rolls for rolling a plate material in the thickness direction, a guide for guiding the leading end of the plate material between the work rolls, and a rolling oil supply member for supplying rolling oil between the work roll... | 12/11/2007 |
| 7302821 | Techniques for manufacturing a product using electric current during plastic deformation of material A technique for manufacturing a product involves receiving material, providing plastic deformation to the material to at least partially form the product, and applying electric current to the material while providing the plastic deformation to the material. The elec... | 12/04/2007 |
| 7293446 | Coil box, mounted between a roughing rolling train and a finishing rolling train The invention relates to a coil box, which is mounted between a roughing rolling train and a finishing rolling train, for metal pre-strips, in particular steel strips, which are hot wound to form coils and are protected against further cooling in the vicinity of a w... | 11/13/2007 |
| 7290337 | Manufacturing method for frame body and frame body In this manufacturing method for a frame body, after ring rolling a metal material to form a ring-shaped member, a rectangular member is formed by pressing and deforming this ring-shaped member in the radial direction. At this time, an angle of corner portions that ... | 11/06/2007 |
| 7257977 | Thermo-electromechanical process and system for coiling and uncoiling an in-line hot rolled pre-strip from thin slab continuous casting A system and the relevant thermo-electromechanical process with two superimposed devices (A) able to coil and uncoil a pre-strip (a) by reversing their positions, provided with outer (4) and inner (7) burners to respectively equalize and optimiz... | 08/21/2007 |
| 7251971 | Method for regulating the temperature of strip metal The invention relates to a method for controlling or regulating the temperature of a metal strip in a cooling path of a hot rolling system. A desired temperature gradient is compared to an actual temperature gradient in order to determine adjusting signals for the c... | 08/07/2007 |
| 7235209 | Apparatus for heat treatment of structural body parts in the automobile industry Apparatus for heat-treating an elongate structural body part made from a blank compressed while being soft or from steel strip of hardenable 22 Mn B5 mod. steel sheet with a thickness of 1 mm to 3 mm, includes an apparatus for positioning the structural body part in... | 06/26/2007 |
| 7231798 | System and method for tube bending A method for bending a tube in a pre-selected geometry includes deriving at least one processing parameter from the geometry, applying a thermal source circumferentially to the tube to heat the tube along at least one circumferentially directed path in accordance wi... | 06/19/2007 |
| 7225851 | Methods and apparatus for displaying decorative ornament curtains When displaying decorative ornaments in vertical chains, that is, as ornament curtains, for example, in light fixtures, gaps or voids between the ornaments can detract from the overall visual appeal. Methods and apparatus of the present invention minimize the gaps a... | 06/05/2007 |
| 7223919 | Flat flexible cable with integrated stiffener A flat flexible cable having conductive pathways laminated between a top and a bottom insulating layer and including an integrated stiffening element. The integrated stiffening element is laminated in between one of the top and bottom insulating layers and the condu... | 05/29/2007 |
| 7213432 | Hot rolling installation A hot rolling installation should be constructed and able to be operated so that strips of materials, which can be shaped with different levels of difficulty and have a thickness of less than 1 mm, can be rolled. According to the invention, strip speeds of 15 m/sec ... | 05/08/2007 |
| 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 |
| 7185692 | Fabric blind slat for window blind A fabric blind slat for a window blind includes a base fabric made from an opaque knitted fabric, two coil units respectively coupled to and extended along two opposite edges of the base fabric, and two supporting sleeves respectively enclosed inside the two coil un... | 03/06/2007 |
| 7093355 | Method and device for producing flat metal ribbon cables A round wire is cold formed in a first pair of forming rolls to produce a flat metal ribbon cable having a specified width, followed by cold forming the flat metal ribbon cable in a second pair of forming rolls to produce a flat metal ribbon cable having a specified... | 08/22/2006 |
| 7043953 | X-H rolling method for parallel-flange steel sections (supports) A method of X-H rolling of a parallel flange steel structural shape or beam with an H cross section using a compact rolling group. In the first universal mill frame the vertical roll have roll surfaces inclined to one another at an angle up to 10° whereas in the se... | 05/16/2006 |
| 7028522 | Electric heating type rolling device An electric heating type rolling device comprises work rolls for rolling a metal strip, a power supply for generating a pulse current, a pair of upstream contact members which are disposed in a location before the metal strip passes through the work rolls, and a pai... | 04/18/2006 |
| 6722174 | Device and method for manufacturing hot-rolled sheet steel and device and method for sheet thickness pressing used for the device and method According to an apparatus and a method for manufacturing a hot-rolled steel plate, a roughing process for reducing a thickness of a continuously cast slab is performed to obtain a sheet bar, and a finishing rolling process for rolling the sheet bar is effected to pr... | 04/20/2004 |
| 6655184 | Warm/hot corrugation machine and method for corrugating low-ductility foils A machine and method for corrugating a metal foil strip utilizes an enclosure defining a chamber and a controllable heat source for heating the chamber. The chamber may optionally include at least one gas that is also heated by the heat source. At least o... | 12/02/2003 |
| 6640598 | Heat shields A heat shield arrangement (12) for a roller table (2) comprising respective upper and lower series of heat shield panels (32,34,36,18) above and below a hot material path (42) along the table. The lower series of panels (18) includes at least one panel th... | 11/04/2003 |
| 6615633 | Metal plateness controlling method and device The present invention provides a method to control the flatness of a metal sheet or plate by effectively preventing waviness from occurring at the edge portions of the sheet or plate when it is cooled to the room temperature after completing hot rolling, ... | 09/09/2003 |
| 6546771 | Method for manufacturing of strips and rolling mill line The invention relates to a method for the manufacturing of strips of stainless steel, comprising cold rolling of a strip which in a foregoing process has been manufactured through casting a melt to form a cast strip and/or has been hot rolled. The cold ro... | 04/15/2003 |
| 6546777 | Method and apparatus for reducing and sizing hot rolled ferrous products A method of continuously rolling a ferrous workpiece into a finished round, comprising rolling the workpiece in successive first and second roll passes at an elevated temperature of between about 650 to 1000° C., the first and second roll passes each bei... | 04/15/2003 |
| 6536254 | Method and device for producing a metal strip for tailored blanks to be cut to length The invention relates to a process for the production of tailored blanks by the hot rolling of a strip and to an apparatus for the performance of said process. To obtain tailored blanks to be cut to length from the rolled strip, the hot strip is cooled or... | 03/25/2003 |
| 6327883 | Method of flattening metal strip Strip tension in metal strip subjected to a plastic deformation such as skin or dressing rolling, stretch bend leveling or stretching is adjusted by local variation of the temperature to establish a temperature profile which minimizes waviness and camber ... | 12/11/2001 |
| 6202462 | Method of forming noise-damping material with ultra-thin viscoelastic layer A noise-damping composite is formed by providing a laminate of two metal layers separated by a much thinner viscoelastic layer which has an initial thickness of at least 1 mil., and then cold rolling the laminate to proportionally permanently reduce the t... | 03/20/2001 |
| 6185970 | Method of and system for controlling a cooling line of a mill train A method of controlling a cooling line of a mill train for rolling steel strips and sheets, with the method including calculating reference temperature conditions in the cooling line based on a preset reference temperature, calculating actual strip temper... | 02/13/2001 |
| 6182490 | Super thin strip hot rolling The present invention is a method and apparatus for the production of thin metal strip by the hot rolling process. Significant improvements in the finished products can be made by the arrangement of the apparatus and the method of the present invention. T... | 02/06/2001 |
| 6178798 | Selectively heat treated side intrusion beams and method for making the same A selectively heat treated side intrusion beam includes a beam body having a center portion heat treated and end portions not heat treated. The beam body is affixed to end brackets that couple the beam body to the automotive vehicle door. The method. for ... | 01/30/2001 |
| 6142003 | Method and apparatus for cooling hot-rolled rolling stock, particularly hot-rolled wide strip A method and apparatus for cooling hot-rolled rolling stock, wherein, for cooling preferably both sides of hot-rolled wide strip, a heat exchange is carried out between the rolling stock and the cooling medium by a pressurized water flow through a sequenc... | 11/07/2000 |
| 6122950 | Hot rolling train for rolling thin strips A hot rolling train with a walking beam furnace, a reversing stand following the walking beam furnace and possibly shears and/or descaling devices, as well as a subsequent hot strip finish-rolling train for manufacturing thin, austenitically rolled hot st... | 09/26/2000 |
| 6119499 | Bar and wire rolling mill A bar and wire rolling mill includes a cooling bed line for bars, a rotary basket reeling line for bars coiled into coils, and a wire line with a looper and winding collector for wire, and a holding furnace arranged downstream for thermal aftertreatments ... | 09/19/2000 |
| 6062055 | Rolling method for thin flat products and relative rolling line Rolling method for thin flat products, used in the production of flat rolled products with a final thickness in the range of 0.6-1.5 mm or more, up to 2.0-3.0 mm, in a plant suitable to work thicknesses of up to 25.4 mm, the method being applied to slabs ... | 05/16/2000 |
| 6035682 | Method and respective hot rolling-mill plant for the continuous production of bars, rods or wire Method and respective hot rolling plant for the continuous production of bars, iron rods or wire, of the type in which the rolled section is cut longitudinally in which: the result is a thin flat bloom (A) with large flat (B) with a thickness close to tha... | 03/14/2000 |
| 6035686 | Method and installation for producing biconical wire A method and an installation for producing biconical wire, i.e., wire with repeating cylindrical and conical wire sections from a cylindrical starting material, in particular for producing helical compression springs inexpensively by using hot forming to ... | 03/14/2000 |
| 6006574 | Apparatus and method for cooling the work rolls of a roll stand at an exit side thereof An apparatus for cooling the work rolls of a roll stand includes for each roll a cooling water duct equipped with spray nozzles at a spray beam as well as devices for supplying cooling water and for removing heated water, a cooling water guide plate for t... | 12/28/1999 |
| 5992196 | Process for pickling a piece of steel and in particular a sheet strip of stainless steel Continuous production line for producing a strip of rolled sheet of steel comprising applying to said sheet of steel an aqueous pickling solution containing hydrochloric acid and ferric and ferrous pickling irons in solution, and, for the purpose of maint... | 11/30/1999 |
| 5964115 | Work process for applying a defined surface roughness to a metal strip A process for applying a defined surface roughness to a metal strip, especially steel strip, for preventing the sticking of strip during subsequent annealing in a bell-type annealing installation includes cold rolling the metal strip in at least one rever... | 10/12/1999 |
