Patents by Inventor Dieter Rosenthal
Dieter Rosenthal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20070272054Abstract: Disclosed are a method and an installation for producing steel products (1) having an optimum surface quality, especially extremely low carbon contents (UCL steel or IF steel), nitrogen contents, total oxygen contents, high-strength or stainless steel qualities.Type: ApplicationFiled: May 25, 2004Publication date: November 29, 2007Inventors: Fritz-Peter Pleschiutschnigg, Karl-Ernst Hensger, Dieter Rosenthal, Rainer Teworte, Dieter Tembergen
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Publication number: 20070200281Abstract: The invention relates to a device for the production of hot-rolled steel strip comprising at least one continuous casting machine, at least one pair of scissors, at least one calibration oven, a de-scaler, optionally, a roughing train, a finishing train (multi-stand rolling mill or Steckel mill(s)), a roller path comprising a cooling area and at least one pickup reel for the thermal strip. A compact structure is achieved by virtue of the fact that the casting line and the rolling line are arranged parallel or approximately parallel to each other such that the direction of casting and direction of rolling are oriented essentially in an opposite direction to each other.Type: ApplicationFiled: June 17, 2004Publication date: August 30, 2007Inventors: Christoph Klein, Jurgen Muller, Karl Rittner, Dieter Rosenthal
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Patent number: 7213432Abstract: 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 should not be exceeded at the outlet of the last roll stand regardless of the material being used, and the hot-rolled strip should have austenitic structures. To this end, the invention provides that thin slab thicknesses of approximately 50 mm are used for easily shapeable material, that the first of seven stands is driven or executes only a smoothing pass, the slab is de-scaled in front of and behind the first stand, and that the second to seventh stand effects the reduction in thickness to less than 1 mm.Type: GrantFiled: August 5, 2002Date of Patent: May 8, 2007Assignee: SMS Demag AGInventors: Dieter Rosenthal, Peter Sudau, Joachim Hafer
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Patent number: 6832432Abstract: A hot-rolling mill for flat products with at least two continuous casting units, wherein the continuous casting units are followed by a shear each and a tunnel furnace with transfer car each, a common breaking-down train, a finishing train, a cooling stretch and at least one reeling device. A connecting device is arranged between the tunnel furnaces and the breaking-down train for connecting the continuously cast slabs which have been cut into the desired coil weights.Type: GrantFiled: March 27, 2002Date of Patent: December 21, 2004Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Wilfried Bald, Dieter Rosenthal
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Publication number: 20040232605Abstract: 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 should not be exceeded at the outlet of the last roll stand regardless of the material being used, and the hot-rolled strip should have austenitic structures. To this end, the invention provides that thin slab thicknesses of approximately 50 mm are used for easily shapeable material, that the first of seven stands is driven or executes only a smoothing pass, the slab is de-scaled in front of and behind the first stand, and that the second to seventh stand effects the reduction in thickness to less than 1 mm.Type: ApplicationFiled: June 28, 2004Publication date: November 25, 2004Inventors: Dieter Rosenthal, Peter Sudau, Joachim Hafer
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Publication number: 20020184984Abstract: A flying shear with knife edges mounted on drums arranged opposite each other, wherein the knife edges can be accelerated to the feeding speed of the strip to be cut and the knife edges can be adjusted toward each other for carrying out a cut. The drums can be accelerated at least one drive unit to a circumferential speed which corresponds to the speed of the strip to be cut and a separately controllable adjusting device is provided for at least one of the drums. At least one of the drums is mounted on links which are connected to the adjusting devices; on the other hand, at least one of the drums may be mounted by means of at least one linear guide and the adjusting device acts on the guide members thereof.Type: ApplicationFiled: July 31, 2002Publication date: December 12, 2002Inventors: Dieter Rosenthal, Friedhelm Kalteich, Martin Braun, Karl-Friedrich Fuhrmann, Stephan Kramer, Gunter Kneppe
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Publication number: 20020095764Abstract: A hot-rolling mill for flat products with at least two continuous casting units, wherein the continuous casting units are followed by a shear each and a tunnel furnace with transfer car each, a common breaking-down train, a finishing train, a cooling stretch and at least one reeling device. A connecting device is arranged between the tunnel furnaces and the breaking-down train for connecting the continuously cast slabs which have been cut into the desired coil weights.Type: ApplicationFiled: March 27, 2002Publication date: July 25, 2002Inventors: Wilfried Bald, Dieter Rosenthal
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Patent number: 6364242Abstract: A rotor winder and a method for operating the rotor winder, wherein the rotor winder has two rotors supported in a rotatable rotor with two winders which are driven independently from one another and are provided for successive continuous winding of hot strip. Each winder has a winder mandrel including several moveable segments for expanding the winder mandrel, wherein the segments are supported on axially moveable wedge-shaped gliding surfaces. The winders are moveable in cycles from an initial position into the coil transfer position by rotation of the rotor. A device is provided for guiding an incoming hot strip onto the winder mandrel of the winder positioned in the initial position and for holding the strip on the winder mandrel until a slip-free engagement of the strip is effected. The device for guiding and placing the incoming strip is arranged on a power-driven frame mounted so as to be moveable in a direction extending parallel to the axis of the winder.Type: GrantFiled: April 18, 2000Date of Patent: April 2, 2002Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Martin Braun, Dieter Rosenthal, Reinhard Irle, Adolf Müller
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Publication number: 20020035906Abstract: A flying shear with knife edges mounted on drums arranged opposite each other, wherein the knife edges can be accelerated to the feeding speed of the strip to be cut and the knife edges can be adjusted toward each other for carrying out a cut. The drums can be accelerated at least one drive unit to a circumferential speed which corresponds to the speed of the strip to be cut and a separately controllable adjusting device is provided for at least one of the drums. At least one of the drums is mounted on links which are connected to the adjusting devices; on the other hand, at least one of the drums may be mounted by means of at least one linear guide and the adjusting device acts on the guide members thereof.Type: ApplicationFiled: November 15, 2001Publication date: March 28, 2002Inventors: Dieter Rosenthal, Friedhelm Kalteich, Martin Braun, Karl-Friedrich Fuhrmann, Stephan Kramer, Gunter Kneppe
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Patent number: 6149740Abstract: A method of and apparatus for manufacturing hot-rolled steel strips from a continuously cast primary material, preferably thin slabs, in a plurality of successive steps in a continuous operation is disclosed. In the invention, thin slabs, which leave an equalizing furnace, are heated above the maximum temperature that can be achieved in the equalizing furnace and are thereafter are broken down in a break-down train, with the broken-down thin slabs being subsequently recrystallized and cooled down to a rolling temperature before being finish-rolled in the finishing train.Type: GrantFiled: April 13, 1998Date of Patent: November 21, 2000Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Wilfried Bald, Dieter Rosenthal
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Patent number: 6122950Abstract: 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 strip is retrofitted with an equalizing furnace provided between the reversing stand and the hot strip finish-rolling train, wherein the equalizing furnace has a number of receiving locations for strips to be heated for equalizing the strip in order to ensure a total heating time for each preliminary strip which is a multiple of the rolling time and the hot strip finish-rolling train.Type: GrantFiled: November 19, 1998Date of Patent: September 26, 2000Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Dieter Rosenthal, Gunter Kneppe, Dieter Ladda
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Patent number: 5996200Abstract: A descaling device for slabs or strips in hot rolling mills includes nozzles fed by a pressurized water piston pump for directing water jets against the slab or strip for removing scale adhering to the surface of the slab or strip. At least one additional pressurized water piston pump is provided, wherein the piston pumps are connected in parallel and the pumps can be switched on and off separately. A second row of nozzles may be arranged in front of the nozzles at a distance which ensures that the water jets do not influence each other. The water pressure of the water supplied to the second row of nozzles is preferably lower than the water pressure supplied to the first row of nozzles.Type: GrantFiled: April 26, 1996Date of Patent: December 7, 1999Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Dieter Rosenthal, Joachim Pfeiffer, Horst Grafe, Max Munker, Berthold Hild
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Patent number: 5943896Abstract: A method of influencing the strip contour in the edge region of a rolled strip in which by superimposing a conventional CVC contour the harmful side effect of a unilaterally narrowing roll on the body portion of the roll gap is compensated. Special CVC rolls are used as work rolls for influencing the strip contour in the edge areas. The special CVC roll for influencing the strip contour in the edge area is a roll with a profile, which, starting from a tapered end, has the steadily changing diameter differences of a continuously variable crown, which, in accordance with the invention, is profiled in axial direction in such a way that during its axial displacement the resulting undesirable component of the effect of the conical taper, i.e.Type: GrantFiled: May 7, 1998Date of Patent: August 31, 1999Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Dieter Rosenthal, Jurgen Seidel
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Patent number: 5910184Abstract: A production plant for producing hot-rolled flat products includes a rolling train composed of a plurality of roll stands, a run-out table with devices for cooling the hot strip, and with subsequently arranged coiling machines for coiling the strip. At least the first roll stand of the rolling train is a reversing stand. At least one reeling furnace each is arranged in front of and following the reversing stand. A controllable cooling unit is provided between the reversing stand and the reeling furnace in front of the reversing stand.Type: GrantFiled: August 7, 1997Date of Patent: June 8, 1999Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Gunter Kneppe, Dieter Rosenthal, Stephan Kramer
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Patent number: 5830044Abstract: A grinding machine for the rolls of a roll stand includes a guide unit extending parallel to the roll to be ground. Mounted on the guide unit is a grinding unit which is displaceable in longitudinal direction of the roll by a displacement drive. The grinding unit is adjustable relative to the roll by adjusting drives. The guide unit is provided with a rotary drive which is capable of rotating the guide unit about its longitudinal axis. The grinding unit is formed by a grinding element which is symmetrical with respect to rotation. The grinding element is connected to the guide unit in such a way that the grinding element and the guide unit rotate together.Type: GrantFiled: December 12, 1996Date of Patent: November 3, 1998Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Wolfgang Rohde, Dieter Rosenthal, Hans-Jurgen Bender
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Patent number: 5802902Abstract: A production plant for rolling hot strip from slabs produced by continuous casting, wherein a shearing machine is arranged following a continuous casting plant of the casting machine and in front of an equalizing furnace, and an additional shearing machine and a descaling unit are arranged following the equalizing furnace and in front of a rolling mill, and wherein a heating or cooling unit and a strip reeling unit of coiling machine are arranged following the rolling mill. A first roll stand group forming a continuously operating rolling train is composed of several four-high stands, for example, five four-high stands; individual heating devices are provided also between the successive four-high stands of this group of roll stands; in addition, the reeling unit or the reeling machine is configured as a double reeling machine.Type: GrantFiled: November 1, 1996Date of Patent: September 8, 1998Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Dieter Rosenthal, Wilfried Bald
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Patent number: 5771732Abstract: A Steckel mill or coiler rolling mill includes at least one reversing stand and drivers and coiler furnaces arranged on the entry side and the exit side of the reversing stand, wherein the reversing stand, the drivers and the coiler furnaces are connected to one another through roller conveyors for the strip to be rolled. At least one heating unit is provided in at least one of the sections formed between the coiler furnaces and the reversing stand, wherein the heating unit covers at least a portion of the section.Type: GrantFiled: April 19, 1996Date of Patent: June 30, 1998Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Stephan Kramer, Dieter Rosenthal, Peter Sudau
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Patent number: 5743125Abstract: A production plant for producing hot-rolled flat products includes a rolling train composed of a plurality of roll stands, a run-out table with devices for cooling the hot strip, and with subsequently arranged coiling machines for coiling the strip. At least the first roll stand of the rolling train is a reversing stand. At least one reeling furnace each is arranged in front of and following the reversing stand. A controllable cooling unit is provided between the reversing stand and the reeling furnace in front of the reversing stand.Type: GrantFiled: August 23, 1996Date of Patent: April 28, 1998Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Gunter Kneppe, Dieter Rosenthal, Stephan Kramer
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Patent number: 5738570Abstract: An arrangement for working or machining rolls which are mounted through chocks in roll housings. The arrangement includes a unit with abrasives for each roll, wherein the unit is mounted so as to be rotatable relative to the roll and so as to be adjustable relative to the roll. The adjustable unit includes a roller mounted in the chock of the roll to be subjected to grinding, wherein the roller is adjustable through bearings thereof relative to the roll to be subjected to grinding.Type: GrantFiled: March 17, 1995Date of Patent: April 14, 1998Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Dieter Rosenthal, Gunter Kneppe
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Patent number: 5149004Abstract: A method for controlling the positions of displaceable pressure rollers during the start-up of coiling strips in reeling installations. The method includes raising pressure rollers from a mandrel of the reeling installation before the strip beginning enters and before the next winding is placed. After the strip beginning has passed each pressure roller, the mandrel is moved into a position of operation. The gap between the pressure rollers in operating position and the mandrel is adjusted to at least n times the strip thickness, wherein n is the number of windings of the strip at each pressure roller. A slip-free contact of the strip on the mandrel is effected by spreading segments of the mandrel.Type: GrantFiled: January 16, 1992Date of Patent: September 22, 1992Assignee: SMS Schloemann-Siemag AktiengesellschaftInventors: Peter Sudau, Dieter Rosenthal