Responsive To Thermal Condition Patents (Class 164/154.6)
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Patent number: 11794255Abstract: A three-dimensional (3D) metal object manufacturing apparatus is operated to form sloping surfaces having a slope angle of more than 45° from a line that is perpendicular to the structure on which the layer forming the slope surface is formed. The angle corresponds to a step-out distance from the perpendicular line and a maximum individual step-out distance determined from empirically derived data. Multiple passes of an ejection head of the apparatus can be performed within a layer to form a sloped edge and the mass of the sloped structure is distributed within the sloped edge so the edge is formed without defects.Type: GrantFiled: January 27, 2021Date of Patent: October 24, 2023Assignee: Xerox CorporationInventors: David A Mantell, Christopher T. Chungbin, Daniel Cormier, David G. Tilley, Walter Hsiao, PriyaankaDevi Guggilapu, Michael F. Dapiran, Dinesh Krishna Kumar Jayabal
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Patent number: 11684972Abstract: A three-dimensional (3D) metal object manufacturing apparatus has a thermally insulative layer between a platform on which an ejection head ejects drops of melted metal and a X-Y translation mechanism on which the platform is moved within an X-Y plane opposite the ejection head. The apparatus also includes a housing having an internal volume in which the platform and X-Y translation mechanism are located. In one embodiment, the thermally insulative layer is a plurality of spheres made of a thermally insulative material such as a ceramic made of zirconium dioxide or zirconium oxide. The thermally insulative layer protects the X-Y mechanism while the housing helps keep the surface temperature of the object being formed on the platform in an optimal range for bonding of the ejected melted metal drops to the object's surface.Type: GrantFiled: October 30, 2020Date of Patent: June 27, 2023Assignee: Xerox CorporationInventor: Douglas K. Herrmann
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Patent number: 11221905Abstract: Embodiments relate to monitoring computing hardware in a computing infrastructure facility. Image data and environmental data are received and a current operational status for a computing hardware component is determined from the image data. A hardware operational status tracking model and environment tracking model for the computing hardware component are updated. Embodiments can perform a root cause analysis if the current operational status is a fault status to determine if the fault status was caused by environmental conditions.Type: GrantFiled: May 17, 2018Date of Patent: January 11, 2022Assignee: International Business Machines CorporationInventors: Vidhya Shankar Venkatesan, Anand Haridass, Diyanesh B. Chinnakkonda Vidyapoornachary, Arun Joseph
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Patent number: 8960263Abstract: A method and apparatus for centrifugal casting, in which transfer functions are developed relating the fluidity of molten metal, for example iron of varying composition, to casting machine movement for a particular mold in order to cast objects, for example pipe, having desired and uniform characteristics, including wall thickness. Fluidity is calculated for each pour of molten metal based on the measured pour temperature and measured liquidus arrest temperature. A drive system controlled by a programmable logic controller moves the casting machine in accordance with the output of the transfer functions based on the calculated fluidity.Type: GrantFiled: March 19, 2014Date of Patent: February 24, 2015Assignee: United States Pipe and Foundry Company, LLCInventors: Kenneth J Watts, Terry M Wood
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Publication number: 20150000856Abstract: A device is provided for controlling the advancing movement of a casting plunger in a casting chamber of a cold-chamber die casting machine by way of an actuating signal, the advancing movement comprising a chamber filling movement phase from a partial filling position, with a partially filled casting chamber starting volume, to a full filling position, with a filled casting chamber remaining volume. In the device, a respective associated progression of an actuating signal is provided for different specified sets of values of a plurality of process parameters that influence the movement of the molten material in the casting chamber during the chamber filling movement phase, which progression is defined as the most suitable actuating signal progression for the particular set of parameter values.Type: ApplicationFiled: January 10, 2013Publication date: January 1, 2015Inventors: Norbert Erhard, Peter Maurer
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Publication number: 20140374051Abstract: A method for controlling a casting plant has at least one mould for receiving a fluid material, the fluid material solidifying in the mould during a solidifying time, at least one process parameter being detected during the production process and the solidifying time being determined in accordance with the process parameter detected.Type: ApplicationFiled: September 17, 2012Publication date: December 25, 2014Inventors: Martin Schickmair, Andre Groeschel
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Patent number: 8788084Abstract: The inflow of liquid metal into a continuous casting mold is set by a closure device. A measured actual meniscus value is fed to a controller determining a closure device target position on the basis of the actual and a corresponding target value. The measured actual value is fed to a disturbance variable compensator. The target position/corrected target position or a corresponding actual value are further fed to the disturbance variable compensator which determines the disturbance variable compensation value. The disturbance variable compensator has a model of the continuous casting mold for determining an expected value. A number of oscillating compensators determine a frequency disturbance proportion. The sum of the frequency disturbance proportions corresponds to the disturbance variable compensation value. The disturbance variable compensator has a jump determiner, by which it determines the jump compensation value by integrating the difference.Type: GrantFiled: May 6, 2010Date of Patent: July 22, 2014Assignee: Siemens AktiengesellschaftInventors: Martin Niemann, Bernhard Weisshaar
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Patent number: 8536514Abstract: A method of measuring the temperature of a sheet material in which the sheet material is arranged such that it forms at least one side of a cavity so as to enhance the effective emissivity of the sheet material in the vicinity of the cavity.Type: GrantFiled: July 30, 2010Date of Patent: September 17, 2013Assignee: Land Instruments International LimitedInventors: Thomas Geoffrey Ronald Beynon, Ian Hamilton Ridley, Stuart Francis Metcalfe, Andrew Mellor, Ben Wileman
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Patent number: 8302660Abstract: A feed block unit for a hot-runner feed system of a pressure die-casting machine includes a block body in which is incorporated at least one melt-conveying channel running out of the block body by way of a sprue orifice close to the gate, and a heating system, integrated into the block body, for the at least one melt-conveying channel. The feed block unit is designed as a structural unit which is insertable independently into a respective casting mold, and/or the heating system integrated therein includes at least a first heating device for supply channel heating and a second heating device, which can be controlled independently of the first heating device, for sprue channel heating. With this modular hot-runner feed system, individual temperature profiles can be predetermined and set for the respective feed block unit.Type: GrantFiled: December 16, 2011Date of Patent: November 6, 2012Assignee: Oskar Frech GmbH + Co. KGInventors: Norbert Erhard, Dietmar Gerwig, Herbert Trebes
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Publication number: 20120145352Abstract: A feed block unit for a hot-runner feed system of a pressure die-casting machine includes a block body in which is incorporated at least one melt-conveying channel running out of the block body by way of a sprue orifice close to the gate, and a heating system, integrated into the block body, for the at least one melt-conveying channel. The feed block unit is designed as a structural unit which is insertable independently into a respective casting mould, and/or the heating system integrated therein includes at least a first heating device for supply channel heating and a second heating device, which can be controlled independently of the first heating device, for sprue channel heating. With this modular hot-runner feed system, individual temperature profiles can be predetermined and set for the respective feed block unit.Type: ApplicationFiled: December 16, 2011Publication date: June 14, 2012Applicant: Oskar Frech GmbH + Co. KGInventors: Norbert Erhard, Dietmar Gerwig, Herbert Trebes
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Patent number: 8104529Abstract: A feed block unit for a hot-runner feed system of a pressure die-casting machine includes a block body in which is incorporated at least one melt-conveying channel running out of the block body by way of a sprue orifice close to the gate, and a heating system, integrated into the block body, for the at least one melt-conveying channel. The feed block unit is designed as a structural unit which is insertable independently into a respective casting mold, and/or the heating system integrated therein includes at least a first heating device for supply channel heating and a second heating device, which can be controlled independently of the first heating device, for sprue channel heating. With this modular hot-runner feed system, individual temperature profiles can be predetermined and set for the respective feed block unit.Type: GrantFiled: May 23, 2008Date of Patent: January 31, 2012Assignee: Oskar Frech GmbH & Co. KGInventors: Norbert Erhard, Dietmar Gerwig, Herbert Trebes
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Patent number: 7984747Abstract: A control method for supplying an inert gas from an inert gas source to a storage container for a molten metal through a gas feed path provided with a flow sensor for monitoring the gas flow rate and a solenoid valve for opening and closing the gas feed path for use with metal molding. The control method includes steps of turning off the solenoid valve if a temperature of the storage container is lower than a preset temperature, and turning off the flow sensor; otherwise turning on the solenoid valve and turning on the flow sensor; and stopping the output of the heater of the storage container when the gas flow rate is lower than the preset amount; these steps are controlled in accordance with a command signal from a controller.Type: GrantFiled: January 21, 2009Date of Patent: July 26, 2011Assignee: Nissei Plastic Industrial Co., Ltd.Inventors: Yasuhiko Takeuchi, Mamoru Miyagawa, Ikuo Uwadaira
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Patent number: 7886807Abstract: A method for monitoring and/or controlling a die casting operation using the rate of coolant flow through cooling lines of a die and the amount of heat being removed from the die by the cooling lines.Type: GrantFiled: October 10, 2007Date of Patent: February 15, 2011Assignee: Die Therm Engineering L.L.C.Inventor: J. Scott Kirkman
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Publication number: 20110000634Abstract: A casting machine system includes a first casting machine and a separate second casting machine, wherein the first casting machine is a metal-casting machine and the second casting machine is a plastic-casting machine, or the first casting machine is a plastic-casting machine and the second casting machine is a metal-casting machine. An associated process produces hybrid metal/plastic articles. The casting machine includes a transfer device for transferring a precursor product, produced by a first casting process in the first casting machine, to the second casting machine, in which a hybrid metal/plastic component is formed from the precursor product by a second casting process, and a temperature-regulating device for regulating the temperature of the precursor product in a controllable manner after its removal from the first casting machine, and before starting the second casting process.Type: ApplicationFiled: December 19, 2008Publication date: January 6, 2011Applicant: Oskar Frech GmbH + Co. KGInventors: Norbert Erhard, Helmar Dannenmann, Juergen Kurz, Knut Morgenstern, Wolfgang Nendel, Tino Zucker, Bernd Zimmer, Martin Kausch
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Publication number: 20100044003Abstract: A method and apparatus involve positioning an insert within a cavity of a mold, heating an insert wall within the cavity of the mold, and casting a molten metal into the cavity adjacent the insert. A surface of the insert absorbs heat from the molten metal to melt and fuse to the molten metal.Type: ApplicationFiled: August 24, 2009Publication date: February 25, 2010Inventor: Mark A. Baumgarten
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Publication number: 20100044000Abstract: The invention concerns a method and a control device for automatically controlling the heat dissipation {dot over (q)} in a mold 200 for casting metal. The heat dissipation of the side plate of a mold is automatically adjusted to a preset set point {dot over (q)}set by suitable variation of the volume flow rate {dot over (V)} of a coolant 300 through the side plate. In accordance with the invention, to avoid the necessity, when different molds are used, of adapting the control of the heat dissipation each time to different thicknesses or coatings of the side plates or to different settings of the side plates during the casting operation or during the casting of different grades of steel, the actual value for the heat dissipation {dot over (q)} during a steady-state casting operation is suitably computed on a current basis from, among other things, the difference in the temperature of the coolant 300 at the coolant outlet and the coolant inlet of the side plate 200 and material constants for the coolant.Type: ApplicationFiled: October 24, 2007Publication date: February 25, 2010Inventors: Jürgen Friedrich, Axel Weyer, Matthew Korzi
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Publication number: 20100012287Abstract: To provide an apparatus for cast-product production line that can separate cast product and casting sand without ever using a jumbolized casting-mold disassembling device, and additionally that can intend the downsizing of mold-disassembling unit. An apparatus for cast-product production line has the following jointly: a kneader 94 for kneading casting sand for making mold; a mold maker 3 for making a sand casting mold 2 from the casting sand for making mold, the sand casting mold 2 being provided with a molding cavity 23 for forming a singular cast product or plural products 27; a molten-metal pourer 4 for pouring molten metal into said molding cavity 23 of the sand casting mold 2; and a mold disassembler 5 for disassembling the sand casting mold 2 having undergone molten-metal pouring. Upon disassembling the sand casting mold 2 by the mold disassembler 5, the sand casting mold 2 is disassembled in such a state that the cast product 27 is supported by means of a cast-product supporter element 52.Type: ApplicationFiled: September 25, 2006Publication date: January 21, 2010Applicant: AISIN TAKAOKA CO., LTD.Inventors: Hiroaki Kato, Shinichi Tyomatsuken
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Publication number: 20090291524Abstract: A method for forming electronic assemblies includes providing a plurality of IC die each having IC bonding conductors and a workpiece having workpiece bonding conductors. A curable dielectric film is applied to the IC bonding conductors or the workpiece surface. The plurality of IC die are placed on the workpiece surface so that the plurality of IC bonding conductors are aligned to and face the plurality of workpiece bonding conductors to provide a first bonding. The placing is performed at a vacuum level corresponding to a pressure <1 kPa, and at a temperature sufficient to provide tackiness to the curable dielectric film. The plurality of IC die are then pressed to provide a second bonding. A temperature during pressing cures the curable dielectric film to provide an underfill and forms metallic joints between the plurality of IC bonding conductors and the plurality of workpiece bonding conductors.Type: ApplicationFiled: May 21, 2009Publication date: November 26, 2009Applicant: TEXAS INSTRUMENTS INCInventor: YOSHIMI TAKAHASHI
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Publication number: 20090065170Abstract: A die cooling system for cooling a cast wheel for an automotive vehicle is provided that includes a die, multiple thermocouples embedded in the die, which measure the actual cast metal temperature, adjustable cooling valves, and a control system. The control system receives actual casting metal temperature data from each thermocouple to control the operation of the adjustable cooling valves.Type: ApplicationFiled: September 11, 2007Publication date: March 12, 2009Applicant: HONDA MOTOR CO., LTD.Inventors: Philip Vais, James Paul Lewis
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Publication number: 20080289791Abstract: A feed block unit for a hot-runner feed system of a pressure die-casting machine includes a block body in which is incorporated at least one melt-conveying channel running out of the block body by way of a sprue orifice close to the gate, and a heating system, integrated into the block body, for the at least one melt-conveying channel. The feed block unit is designed as a structural unit which is insertable independently into a respective casting mould, and/or the heating system integrated therein includes at least a first heating device for supply channel heating and a second heating device, which can be controlled independently of the first heating device, for sprue channel heating. With this modular hot-runner feed system, individual temperature profiles can be predetermined and set for the respective feed block unit.Type: ApplicationFiled: May 23, 2008Publication date: November 27, 2008Applicant: Oskar Frech GmbH & Co. KGInventors: Norbert ERHARD, Dietmar GERWIG, Herbert TREBES
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Publication number: 20080078523Abstract: An apparatus and a method for producing a casting mold are provided, according to which the casting mold having a complex shape can be obtained with stable quality. The apparatus comprises a mold having a cavity therein, a steam supply unit, a steam supply passage connected to the cavity, steam discharge passages, flow regulators disposed in the steam discharge passages to regulate an amount of the steam discharged from the cavity, and a control unit for controlling the flow regulators. After a resin-coated sand prepared by coating a refractory aggregate with a binder resin is injected into the cavity of the heated mold, superheated steam is supplied into the cavity. At this time, the control unit controls the flow regulators such that the cavity is uniformly filled with the superheated steam.Type: ApplicationFiled: November 18, 2004Publication date: April 3, 2008Applicants: KIGNYTE CO., LTD., Maeda Shell Service Co., Ltd.Inventors: Isamu Ide, Toru Seki, Sadao Maeda, Keizo Nishiyama
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Publication number: 20080035299Abstract: Disclosed is: (i) a method of a molding system, (ii) a controller of a molding system, (iii) an article of manufacture of a controller of a molding system, (iv) a network-transmittable signal of a controller of a molding system, and/or (v) a molding system having a controller, amongst other things.Type: ApplicationFiled: August 11, 2006Publication date: February 14, 2008Inventors: Jan Marius Manda, Robert Domodossola
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Patent number: 7290591Abstract: A cooling mold (262) includes a cooling portion (2632), and defines a channel. The cooling portion has a number of intersecting grooves (2636). The channel communicates with at least one of the grooves. The channel and the grooves are configured for gas to flow therethrough to a workpiece at least partly received in the cooling portion.Type: GrantFiled: December 8, 2006Date of Patent: November 6, 2007Assignees: Hon Hai Precision Industry Co., Ltd., Foxsemicon Integrated Technology, Inc.Inventors: Shun-Ho Chen, Li-Pei Huang, Tzyy-Chyi Tsai, Yun-Hsiang Chuang
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Patent number: 6763879Abstract: A mold temperature control system comprises a mold section having a cavity, a fluid circuit to distribute a flow of a conditioning fluid, the fluid circuit being positioned spaced apart from the cavity, a temperature sensor positioned in the mold to generate a signal representative of a temperature in the mold, a controllable supply of the conditioning fluid, and a controller for automatically initiating flow of the conditioning fluid through the fluid circuit in response to an initiation temperature and for automatically terminating flow of the conditioning fluid through the fluid circuit in response to a termination temperature.Type: GrantFiled: July 1, 2002Date of Patent: July 20, 2004Assignee: Hayes Lemmerz International, Inc.Inventors: Robert L. Macheske, Thomas J. H. Rozich, David Good, Alan P. Gould, Daniel D. Minor, Kenneth D. McKibben, Diane M. Zekind, Karl D. Voss, David J. Gillette
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Patent number: 6679626Abstract: A method for determining the thermal material properties of metal shaped parts from a model is disclosed, which describes the thermal material properties of the metal shaped part. At least one thermodynamic parameter (p) is formed as a linear combination consisting of at least one base function (hi) and of at least one weighting factor (gi), whereby the base function (hi) describes the thermal material properties, and the weighting factor (gi) takes the influence of the alloying elements on at least one thermodynamic parameter (p) into account. The method makes it possible to conduct a sufficiently precise determination of the thermal material properties with a smaller time requirement.Type: GrantFiled: February 28, 2003Date of Patent: January 20, 2004Assignee: Siemens AktiengesellschaftInventors: Otto Gramckow, Michael Jansen, Martin Post, Klaus Weinzierl
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Patent number: 6622774Abstract: An investment casting process utilizes rapid cooling during solidification to achieve a desired final microstructure. A molten high temperature aluminum alloy is poured into a ceramic shell mold. The ceramic shell mold is then lowered into an oil bath held in a quenching tank to rapidly cool the molten material. Thus, solidification takes place quickly via rapid extraction of the latent heat of the metal by the quenching oil bath. The rapid solidification achieves a uniform fine microstructure in an as-cast component.Type: GrantFiled: December 6, 2001Date of Patent: September 23, 2003Assignee: Hamilton Sundstrand CorporationInventor: Shihong Gary Song
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Patent number: 6546994Abstract: In a process and in a device (10) for preparing the mold walls (12a, 12b) of a mold (12, 12) for the molding or shaping of a molded part after completion of the molding cycle and after removal of the molded part from the mold (12) to make the mold walls ready for the next molding cycle, the tempering of the mold walls (12a, 12b) and the coating of the walls with mold wall treatment agent are carried out independently of each other, i.e., without any time overlap, and in a controlled manner, preferably in a program-controlled manner. To apply the coating, preferably a spray element with centrifugal atomization and air control is used, the mold walls preferably being coated with essentially solvent-free mold wall treatment agent.Type: GrantFiled: November 6, 2000Date of Patent: April 15, 2003Assignee: Acheson Industries, Inc.Inventors: Hans-Dieter Renkl, Douwe Marten Kok, Thomas Junker, Karl-Heinz Keim
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Patent number: 6516862Abstract: A method of fabricating a porous metal structure of a molten liquid metal within a casting chamber to form a porous solid structure upon controlled chamber cooling and depressurization. The method includes provision of a pressurizable stationary mold casting chamber having a gas pressure release valve, a gas pressure measurement sensor, and a plurality of sites with respective surface-temperature or heat flux sensors and respective independently operable temperature controllers for regulating each respective site temperature. A data base driven microprocessor receives pressure and temperature data and selectively and independently adjusts pressure and temperature in accord with algorithmic commands relative required pressure reduction for pore formation and cooling for solidification to chosen extents of porosity and of solidification over a time period terminating upon porous solid-structure fabrication.Type: GrantFiled: March 30, 2001Date of Patent: February 11, 2003Assignee: Northrop Grumman CorporationInventor: John F. Klein
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Patent number: 6474404Abstract: The invention relates to a method for controlling the temperature of a melt (10), preferably of a steel melt, in a distributing vessel (11), whereby the temperature of the melt is measured, the measured result is compared with a predetermined temperature range in the form of specified values, and as much heat is supplied or withdrawn from the melt such that the temperature remains inside said range. In order to control the melt temperature, a fireproof shaped part (20) which is closed on both sides and which is provided for accommodating a liquid cooled induction coil (1) is immersed in the melt (10). The transmission of heat is carried out by means of thermal conduction out of the wall of the shaped part (20) which is coupled to the induced electromagnetic field and/or by means of a direct coupling to the liquid melt (10).Type: GrantFiled: October 15, 2001Date of Patent: November 5, 2002Assignees: SMS Schloemann-Siemag Aktiengesellschaft, Didier Werke AGInventors: Horst Grothe, Markus Reifferscheid, Raimund Brückner, Karl Heinz Schmitt
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Patent number: 6470957Abstract: A process for casting a continuous metal strand, in particular steel, in a continuous casting apparatus having strand parts disposed opposite one another and being fitted with bearings in which guide rollers are mounted, and having actuators by which a gap between respective opposed rollers can be set infinitely variable, and which method includes sensing a value representing a compressive force which occurs in the bearings and feeding said value to a computing unit; comparing the individual measured force values of a roller or of a pair of oppositely disposed rollers with respect to a level of the force; and utilizing at least the relating highest value measured as a command variable for controlling the gap and/or the casting rate and/or the amount of cooling water and/or the melt feed and/or the casting powder feed and/or the mold oscillation.Type: GrantFiled: July 16, 1999Date of Patent: October 29, 2002Assignee: Mannesmann AGInventor: Ronald E. Ashburn
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Patent number: 6225609Abstract: To cool a strip rolled by a hot rolling mill using cooling banks installed on the run out table at the delivery side of the hot rolling mill, and to control the strip temperature in front of coiler to a preset target temperature, the strip is conceptually divided into segments or cooling units which have a length equal to the length of a single cooling bank, the temperatures of the segments are predicted, and the cooling banks are so controlled as to have the prediction temperatures coincide with preset target temperature. In this case, a feed-forward control of the cooling water flow rate in the cooling banks are made so that predictive temperatures on a real time basis of the temperatures of the cooling segments at the time when the segments are staying in the respective cooling banks coincide with the target temperatures.Type: GrantFiled: December 3, 1999Date of Patent: May 1, 2001Assignee: Kabushiki Kaisha ToshibaInventors: Hiroyuki Imanari, Kozo Yamahashi, Hideho Goudo