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Class 72/342.6 - Distinct temperature modifications at distinct locations of workpiece


Subclass of Class 72 - Metal deforming
Definition: Subject matter comprising provision to establish a thermal
No. of patents: 35
Last issue date: 11/15/2011


NumberTitleIssue Date
8056383Method 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
7607332Apparatus 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
7559221Method 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
7310981Method 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
7231798System 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
7117707Apparatus 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
7086268Apparatus 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
6868708Blank 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
6742374Method 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
6732562Apparatus 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
6622540Method 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
6619094Method 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
6536254Method 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
6401509Method 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
6334350Automatic 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
6309588Process 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
5823042Method 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
5802905Process 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
5713130Partially 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
5711175Heat 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
5611234Process 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
5593708Apparatus 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
5345799Method 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
5306365Apparatus 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
5191778Process 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
5040399Method 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
5027634Solutionizing 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
4821551Method 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
4811584Thermal processing methods
Method of protecting selected parts of a component against overheating while the component is being thermally treated....
03/14/1989
4800744Production 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
4676088T-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
4625533Method 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
4290293Method 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
4143536Method 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
4120187Forming 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
 
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