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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 8056383 | Method of reheating steel part A steel part with regions of different ductility is made by first loading the part onto a heatable rack and then heating the rack with the part on it in a furnace to a temperature above the AC3 point of the part. The part is then removed from the rack and... | 11/15/2011 |
| 7607332 | Apparatus for removing dent in sheet metal and method thereof An apparatus for removing a dent in finished sheet metal heats a steel panel by applying a high frequency induced current thereto and simultaneously cools a clear coat by spraying a coolant to a surface of the sheet metal and a cooling pipe, wherein the finished she... | 10/27/2009 |
| 7559221 | Method of working metal, metal body obtained by the method and metal-containing ceramic body obtained by the method A method of working metal in which the microstructure of metal body is rendered fine to thereby enhance the strength, ductility or homogeneity thereof; a metal body obtained by the metal working method; and a metal-containing ceramic body obtained by the metal worki... | 07/14/2009 |
| 7310981 | Method for regulating the temperature of strip metal The invention relates to a method for controlling and regulating the temperature of a metal strip in a finishing train of a hot rolling mill. A target function is formed by comparing a desired temperature gradient with an actual temperature gradient. The target func... | 12/25/2007 |
| 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 |
| 7117707 | Apparatus and method for thermomechanically forming an aluminide part of a workpiece A method of thermomechanically forming an aluminide part of a workpiece resistively heats at least a portion of the aluminide part, plastically deforms the heated portion of the aluminide part to a predetermined shape by applying pressure to the aluminide part posit... | 10/10/2006 |
| 7086268 | Apparatus and method for removing and cooling a part from a forming tool An apparatus and method for removing a part from a forming tool and supporting the part. The apparatus includes a support member having a surface contoured to conform to a formed shape of the part and an aperture disposed in the surface. A manipulator moves the supp... | 08/08/2006 |
| 6868708 | Blank guided forming The invention relates to workpiece control shaping of metal, preferably in the form of plates or bands, which metal workpiece has a high tensile limit, preferably about 1000 N/mm2, and is intended to be further shaped. Along predetermined folding notches ... | 03/22/2005 |
| 6742374 | Method for partly reinforcing a workpiece A method is disclosed for partly reinforcing a workpiece which is capable of reinforcing the reinforcement requiring part of the workpiece on which stress is liable to be concentrated upon use of the workpiece. A workpiece 1 made of metal having a reinforceme... | 06/01/2004 |
| 6732562 | Apparatus and method for drawing continuous fiber An apparatus and method is disclosed for drawing continuous metallic wire having a first diameter to a metallic fiber having a reduced second diameter. A feed mechanism moves the wire at a first linear velocity. A laser beam heats a region of the wire to an elevated... | 05/11/2004 |
| 6622540 | Method and apparatus for flexible manufacturing a discrete curved product from feed stock An apparatus for manufacturing a discrete curved product from a feed stock includes a source of heat that is adapted to impose a focused beam of light on at least one surface of a work piece to cause the surface of the work piece to expand and thereby mov... | 09/23/2003 |
| 6619094 | Method and apparatus for forming a metal sheet under elevated temperature and air pressure A drawing mold has a contoured mold surface receiving a metal sheet thereon. A tensile drawing machine applies a drawing tension to the sheet edges to deform the sheet onto the mold. Heated pressurized air supplied through air holes in the mold surface fo... | 09/16/2003 |
| 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 |
| 6401509 | Method for producing a hollow body made of metal The present invention relates to a method for manufacturing a hollow body made of metal whose cross sectional shape changes in longitudinal direction, a tubular slug being sealed at its end and being placed into a mold that corresponds to the desired shap... | 06/11/2002 |
| 6334350 | Automatic machine for the formation of ship's curved hull-pieces This invention relates to an automatic machine to form curved plates (100) of ship's hull-pieces in a shipbuilding process. This automatic machine has the following devices, ajig table (10) to support steel plates, a heating device (21) including a torch ... | 01/01/2002 |
| 6309588 | Process and apparatus for bending thin-wall plastic tubing Process and apparatus for bending thin-wall thermoplastic tubing utilizing pressure inside the tube portion being bent to thereby maintain the shape of the tube during bending, and applying heat only in the zone of the tube that is stretched by pulling it... | 10/30/2001 |
| 5823042 | Method of making an improved hot rolled I-beam and associated product A method of forming and using a metal I-beam includes hot rolling an elongated metal workpiece to establish a web and a pair of flanges on the edges thereof. The web is formed with elongated reinforcement of solid cross-section having a generally straight... | 10/20/1998 |
| 5802905 | Process and device for applying a temperature profile to metal blocks for extrusion The object of the invention is to apply an appropriate temperature profile to a bloc to be extruded, at which the extrusion process may be optimized For that purpose, the metal blocks (10a) to be extruded are heated (furnace 2) up to an appropriate extrus... | 09/08/1998 |
| 5713130 | Partially thick-walled elongated metallic member and methods of making and connecting the same A method of and an apparatus for manufacturing an elongated metallic member (1) having at least one thickened wall area defined at a portion thereof. That portion of the elongated metallic member (1) is heated to a plasticizable temperature to form a heat... | 02/03/1998 |
| 5711175 | Heat shields for roller tables A roller table provides a hot material path and heat insulating panels are disposed below that path, between successive rollers of the table. The panels are displaceable between a raised, operative position close to the hot material path and a lower, inop... | 01/27/1998 |
| 5611234 | Process for modifying the section of a railway rail and rail thus obtained The process consists in increasing the height of the rail to the detriment of the thickness of the web (16) and of the flange (18). Firstly, the thickness of the upper part of the web (16) below the head (14) is reduced by machining and, next, the rest of... | 03/18/1997 |
| 5593708 | Apparatus for bending plastic pipe A bending process including both preliminary and following steps takes place in one apparatus. A plastic pipe (6) is heated to a temperature in which it can be plastically deformed. The heated pipe is thereafter shoved into a pipe-shaped bending channel (... | 01/14/1997 |
| 5345799 | Method and device for forming various workpieces A method of manufacturing workpieces (6) and a device for effecting the same are related to the field of plastic metal working and can be used in the machine building industry. In order to improve the precision and strength of the workpieces (6) and to ex... | 09/13/1994 |
| 5306365 | Apparatus and method for tapered heating of metal billet Apparatus and process are disclosed for providing, and continuously monitoring and controlling, a tapered temperature profile in solid metal first heated to a specified initial temperature. Temperatures are monitored at a plurality of locations along the ... | 04/26/1994 |
| 5191778 | Process for producing thin-webbed H-beam steel A thin-webbed H-beam steel having a web thinner that flanges is produced by forcibly water cooling the outer surface of the flanges during an intermediate hot rolling prior to a final hot rolling by cooling to less than 700° C., interrupting the cooling ... | 03/09/1993 |
| 5040399 | Method of fabricating box section from steel with walls that differ in thickness A method of fabricating box section from steel with walls of non-uniform thickness along its periphery. A starting product in the form of round tubing with a wall that is uniformly thick along its circumference is manufactured and rolled into box section ... | 08/20/1991 |
| 5027634 | Solutionizing taper quench A method and apparatus for conditioning an aluminum billet for extrusion from an extrusion press. The billet is first heated above the solutionizing temperature for the MgSi phases in the aluminum matrix, then the billet is cooled below the solutionizing ... | 07/02/1991 |
| 4821551 | Method of manufacturing corrugate tube and molding apparatus thereof There is disclosed a technique characterized by the following steps. An axial load is applied from both ends of a primary tube while locally heating the primary tube by use of a high frequency coil in the peripheral direction, and the heated portion is th... | 04/18/1989 |
| 4811584 | Thermal processing methods Method of protecting selected parts of a component against overheating while the component is being thermally treated.... | 03/14/1989 |
| 4800744 | Production of a taper rod A tapered rod producing process by which a tapered rod having a profile very near to an aimed profile can be produced with high accuracy. According to the process, during working of a wire diameter gradually decreasing portion of a tapered rod in which th... | 01/31/1989 |
| 4676088 | T-joint manufacturing apparatus This invention relates to an apparatus for manufacturing a T-joint, which consists of a tube portion and a collar portion, by using burring techniques. The apparatus is provided with a high-frequency induction heating unit for heating the circumferential ... | 06/30/1987 |
| 4625533 | Method and apparatus for increasing thickness of tubular member A method and apparatus for increasing a thickness of a tubular member which ensures a uniform thickness increase of the tubular member and a reduction of an increase in a thickness on an inner diameter side of the tubular member. A portion of the tubular ... | 12/02/1986 |
| 4290293 | Method for deep drawing A method for deep drawing sheet wherein (i) the sheet is formable by deep drawing and (ii) the sheet is in the form of a blank having a flange portion and a center portion comprising the following steps: (a) cooling the blank to a temperature no higher than ab... | 09/22/1981 |
| 4143536 | Method of correcting rotational speed of screw propeller The rotational speed of a screw propeller mounted on a propeller shaft of a ship is correctively increased or decreased by locally heating the back or face side of each blade of the propeller along a plurality of paths substantially parallel to and inward... | 03/13/1979 |
| 4120187 | Forming curved segments from metal plates A large flat metal plate is formed to have a three-dimensional shape of compound curvature by locally heating to an elevated temperature along predetermined lines and then quickly cooling, as by using a torch which carries a water spray nozzle. The heatin... | 10/17/1978 |