Patents Assigned to Mannesmann Aktiengesellschaft
  • Patent number: 6620388
    Abstract: Disclosed is a catalytic pipe for an endothermic catalytic reaction of a process medium, with an outer cladding tube which is tightly closed at its end sides by a first base and a second base. A rising pipe arrangement is arranged in the interior of the cladding tube and is connected, in the vicinity of the first base, with an outlet which is guided outward for the product resulting from the catalysis of the process medium. According to the invention, the rising pipe arrangement is formed by a plurality of line strands which end in a collector which is connected to the outlet for the product.
    Type: Grant
    Filed: October 22, 1997
    Date of Patent: September 16, 2003
    Assignees: Mannesmann Aktiengesellschaft, K.T.I. Group B.V.
    Inventors: Francesco Giacobbe, Renzo Coletti
  • Patent number: 6568461
    Abstract: A process and a continuous casting installation for the production of thin slabs, preferably of steel with a predetermined solidification thickness of, e.g., 50 mm, in which an optimum surface quality and internal quality of the strand with minimal and predetermined solidification thickness and plant capacity, and accordingly minimal rolling effort, is achieved by a qualitative adjustment of casting and rolling in the region of the strand guide, oscillation of the casting mold by a hydraulically operated lifting platform, feeding of casting powder to the mold, and an immersion nozzle with a specific cross sectional area of flow relating to the process and continuous casting installation, resulting in a satisfactory supply of casting slag and bath movement in the cast surface compared with a standard slab with a thickness of 200 mm.
    Type: Grant
    Filed: October 7, 1998
    Date of Patent: May 27, 2003
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Fritz-Peter Pleschiutschnigg
  • Patent number: 6321828
    Abstract: A process and a continuous casting installation for the production of thin slabs, preferably of steel with a predetermined solidification thickness of, e.g., 50 mm, in which an optimum surface quality and internal quality of the strand with minimal and predetermined solidification thickness and plant capacity, and accordingly minimal rolling effort, is achieved by a qualitative adjustment of casting and rolling in the region of the strand guide, oscillation of the casting mold by a hydraulically operated lifting platform, feeding of casting powder to the mold, and an immersion nozzle with a specific cross sectional area of flow relating to the process and continuous casting installation, resulting in a satisfactory supply of casting slag and bath movement in the cast surface compared with a standard slab with a thickness of 200 mm.
    Type: Grant
    Filed: September 21, 1998
    Date of Patent: November 27, 2001
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Fritz-Peter Pleschiutschnigg
  • Patent number: 6312249
    Abstract: A die closing device of an injection molding machine includes a stationary die clamping plate, a movable die clamping plate, and a toggle lever pair connecting the clamping plates. The toggle lever pair includes a first connecting rod and a second connecting rod, the first connecting rod being pivotally connected to the stationary die clamping plate, and the second connecting rod being pivotally connected between the first rod and the movable die clamping plate. The device further includes a powered driver operable for imparting motion to at least one of the first and second connecting rods to controllably move the movable die clamping plate relative to the stationary plates to open and close the die.
    Type: Grant
    Filed: October 3, 1997
    Date of Patent: November 6, 2001
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Helmut Schreiner, Ernst Würl
  • Patent number: 6235075
    Abstract: Disclosed is a process and apparatus for generating high-silicon foundry pig iron. In the process: a) silicon oxides and iron-carbon metals are charged in a shaft furnace; b) the charge is kept under a highly reducing atmosphere; c) the material column is guided annularly at least in the vicinity of the vessel bottom and d) exposed to the radiation heat of a heat source located in the free space in the outlet region of the annular material column above the furnace base. The furnace has a centrally arranged electrode, which projects into the furnace vessel and is guided up to the vicinity of the base, and a counterelectrode arranged in the base of the furnace vessel. The electrode projecting into the vessel is enclosed by a coaxially guided sleeve whose outer diameter “d” is in a ratio to the inner diameter “D” of the furnace vessel such that d;D is about 1:4.
    Type: Grant
    Filed: March 6, 1998
    Date of Patent: May 22, 2001
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Werner Hofmann, Wolfgang Reichelt
  • Patent number: 6231293
    Abstract: The invention involves a tilting device for emptying containers (2) of mixed-item loads, especially of pieces of airline luggage, which is placed along the course of a conveyor line (3), and at least one branch conveyor is bordering on the conveyor line with tilting arms located one behind the other in the direction of transport. The tilting arms can be swiveled laterally for emptying the containers (2) in each case around an axle (9) running in the direction of transport and horizontal to the extent possible, and at least two tilting arms for passing the containers (2) along between the conveyor lines (3) can be connected in a detachable way with a container (2).
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: May 15, 2001
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Rüdiger Ostholt, Peter Becker
  • Patent number: 6216847
    Abstract: A delivery device for the transfer of mixed-item loads, including workpiece mounts, workpieces, containers or pallets, from a first conveyor line to a second conveyor line comprises at least one conveyor element positioned within the first conveyor line and adjacent the second conveyor line. The conveyor element is operationally attached to at least one linear drive unit which selectively lowers and lifts the conveyor element from a neutral position wherein the conveyor element is positioned below the transport level of the first conveyor line to a delivery position wherein the conveyor element is positioned above the transport level of the first conveyor line to effect transfer of the load to the second conveyor line. Preferably, there are two conveyor elements actuated by a plurality of linear drive units positioned in proximity to the ends of the conveyor elements.
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: April 17, 2001
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Heinz Schmidt
  • Patent number: 6194022
    Abstract: A process for stabilizing strip in a plant for coating strip material, in which a metal strip is taken through a container holding molten coating material that has, below the melt surface, a through channel, in which induction currents are induced by an electromagnetic travelling field in the coating material and, in interaction with the electromagnetic travelling field, generate an electromagnetic force to retain the coating material. In the region of the through channel, a controllable magnetic field superimposed on the modulation of the electromagnetic travelling field is applied, whose field strength and/or frequency are adjustable as a function of sensor-detected position of the strip in the coating channel.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: February 27, 2001
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Eckart Schunk
  • Patent number: 6178891
    Abstract: The invention involves a suspended trolley line, particularly an electric monorail line with at least one undercarriage movable along running rails and with a running wheel that may be driven along the rail. At least two frictional wheels are spaced from each other and positioned on the running wheel. The frictional wheels are guided on the undercarriage by a connecting element and are braced against each other by a spring element, such that the frictional wheels additionally contact the supplemental rail and impinge upon the running wheel with pressure when in an operating position. The supplemental rail is located at least partially parallel to the running rail and spaced therefrom. The driven undercarriage is simple in its construction and has improved traction characteristics and therefore is particularly capable of being used in ascending and descending sections of the trolley line. The frictional wheels, the connecting element and the spring element form an assembly unit lying on the running wheel.
    Type: Grant
    Filed: January 7, 1999
    Date of Patent: January 30, 2001
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: R{umlaut over (u)}diger Ostholt, Sigurd Volker Weber
  • Patent number: 6176295
    Abstract: The plate mold has water-cooled narrow side walls that can be clamped between broad side walls. The broad side walls have at least three adjacent and mutually independent cooling segments. The cooling segments are divided symmetrically relative to the central axis of the mold and have, in the region of the mold mouth, separate connections for the independent supply of a liquid coolant. The apparatus includes temperature sensors, an oscillation device, an actuator for adjusting the space between the narrow and broad side walls and a control device connected to the temperature sensors to control the oscillation device and the actuator.
    Type: Grant
    Filed: March 11, 1998
    Date of Patent: January 23, 2001
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Fritz-Peter Pleschiutschnigg
  • Patent number: 6155613
    Abstract: A pipe joint with a sleeve element and with a spigot element configured to be threadedly connected together to collectively absorb the load experienced by the joint over the threaded sections of the sleeve and spigot. By suitably selecting the leads and tooth gaps in the sleeve or spigot, it is possible for the guide flank at one thread end to be braced against the load flank at the other thread end thereby effecting maximum bracing at the edges of the thread and decreasing toward the thread center.
    Type: Grant
    Filed: April 2, 1997
    Date of Patent: December 5, 2000
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Erich Quadflieg, Christoph Bunsen, Thomas Gigowski, Friedrich Lenze, Martin Schluter
  • Patent number: 6141609
    Abstract: A device installed in a vehicle for recording information on the itinerary of the vehicle. The device includes a receiver system for receiving wirelessly transmitted information for identifying the current geographical position of the vehicle, a computer unit for computing digitalized data on the geographical position of the vehicle, and a memory unit for continuous storage of the digitalized geographical position data of the vehicle on a data carrier, which is protected against overwriting of recorded data, whereby the memory device also stores time data, which allow identification of the particular point in time at which a particular vehicle position was found. So that an itinerary taken by a vehicle can later be reconstructed without great expense the data carrier is configured to be easily exchangeable, and a data reading device is provided for the input of data that identify the driver of the vehicle and are recorded on the data carrier.
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: October 31, 2000
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Wolfgang Herdeg, Andreas Widl
  • Patent number: 6130183
    Abstract: Disclosed is a novel catalyst and process using the novel catalyst for the oxidative dehydrogenation and cracking of C.sub.2 to C.sub.5 paraffins (homogeneous hydrocarbons or mixtures such as liquified gas to C.sub.2 to C.sub.5 olefins in the presence of an oxygen-containing gas and water vapor. The novel catalyst has the following formulaX.sub.a Y.sub.b Z.sub.c A.sub.d O.sub.x,where, referring to the Periodic System,X is an element of Group II and/or IV b (Mg, Ca, Za, Ti, Zr . . . )Y is a Lanthanide and/or an element of Group IVa or Va (Ce, La, Nd, Dy, Sn, Pr, Sb, Pb . . . );Z is an element of Group I (Li, Na, K . . . );A is an element of Group VII (Cl, Br, I . . . );O is oxygen; anda is 0.4 to 0.9,b is 0.005 to 0.3,c is 0.05 to 1.5,d is 0.05 to 0.8, andx is determined by the valance requirements of metals and halogens.
    Type: Grant
    Filed: July 9, 1997
    Date of Patent: October 10, 2000
    Assignees: Mannesmann Aktiengesellschaft, K.T.I. Group B.V.
    Inventors: Mordechay Herskowitz, Miron Landau, Mark Kaliya
  • Patent number: 6131064
    Abstract: A process for automated vehicle-autonomous detection of a particular traffic situation by continuously detecting an instantaneous vehicle speed onboard a vehicle. The detected vehicle speeds are classified using guidelines which may be based on rigid values or on fuzzy logic relationships, into one or more of a plurality of traffic categories by assigning a weight for that detected vehicle speed to each of the traffic categories. Thereafter, for each traffic category the weights associated with the detected speed values are integrated over time to calculate an integrated result for each traffic category. The integrated results of the traffic categories are then evaluated based on predetermined rules or criteria to generate a probabilistically-based traffic detection value indicating the traffic category representing the vehicles' current traffic situation. The traffic categories and guidelines or membership functions or relationships are defined for use with a particular type of road.
    Type: Grant
    Filed: February 4, 1997
    Date of Patent: October 10, 2000
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Stefan Vieweg
  • Patent number: 6124826
    Abstract: A navigation device for people, which device includes a navigation unit, which has a receiver device for the wireless transmission of data to identify the current geographic position, a communication unit that contains an input unit, especially for the input of a target position, and an output unit, especially for the output of path guidance information, and a computer, especially for route planning, which has a memory with at least one digitized road map and can be connected for data transmission to the navigation unit via the communication unit.The navigation unit, the communication unit, the input unit and the output unit form a portable hardware unit, which is equipped with its own power supply and with a transmitter/receiver unit. The computer for calculating essential portions of the route plan is disposed in a stationary manner outside of the portable unit and is connected to a transmitter/receiver for the wireless transmission of route information between the computer and the portable unit it.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: September 26, 2000
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Paul Garthwaite, Gerd Waizmann
  • Patent number: 6122913
    Abstract: A drive system for a mobile operating device. The drive system includes a drive motor driving a first variable-delivery hydraulic pump which is in fluid engagement with a first hydraulic motor, the first hydraulic motor being part of a hydraulic travelling drive. A second hydraulic motor drives at least one second variable-delivery hydraulic pump which is in fluid engagement with an operating hydraulic system for implementing device-specific functions.
    Type: Grant
    Filed: April 14, 1998
    Date of Patent: September 26, 2000
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Recep Macit
  • Patent number: 6095232
    Abstract: The invention is directed to a process for producing metallic composite material in which there is applied to at least one side of a parent strand a material having different material characteristics. For this purpose, according to the invention, the parent strand is guided through a melt having the same material composition as the parent strand, wherein melt crystallizes on by inversion casting and, at a predefinable distance from the surface of the molten bath, a composite section is fed to the carrier section after it has exited from the molten bath, this composite section being welded with the surface of the carrier section. The invention is further directed to a device for carrying out the process.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: August 1, 2000
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Tarek El Gammal, Gamal Mohamed Megahed, Fritz-Peter Pleschuitschnigg, Ingo Von Hagen
  • Patent number: 6070714
    Abstract: A conveyor track or path for piece goods, and in particular for luggage containers, including at least two conveyors carrying the piece goods. The conveyors are approximately parallel to one another in the transporting direction and separated by a distance from one another. At least one of the conveyors has a driven endless conveyor belt which is guided over deflecting wheels. The conveyor belt is supported by carrying rollers which are arranged successively, one behind the other, between the deflecting wheels, as viewed in the transporting direction. In a preferred arrangement, the conveyor track comprises a toothed belt with teeth arranged on the side of the conveyor belt facing away from the piece goods and the driven deflecting wheels are toothed disks.
    Type: Grant
    Filed: April 2, 1997
    Date of Patent: June 6, 2000
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Bernd May
  • Patent number: 6070648
    Abstract: Molten metal is poured into a continuous casting mold having a rectangular mold exit opening to produce a rectangular metal strand having a liquid core, a width and a thickness. A convex shape is imparted to the rectangular strand along at least a part of the width thereof downstream of the casting mold by arranging a plurality of oppositely disposed guide rolls immediately downstream of the rectangular mold exit opening so that the cast strand while travelling from the mold exit opening through the plurality of guide rolls expands along at least part of its width no more than 8% of the strand thickness, thereby preventing snaking of the strand.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: June 6, 2000
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Fritz-Peter Pleschiutschnigg
  • Patent number: 6070646
    Abstract: A continuous casting device comprises, in combination, a continuous casting mold for receiving molten metal, and at least one pair of guide rolls disposed immediately downstream of the mold exit opening. The exit opening of the mold is rectangular shaped so as to permit a rectangular strand to be cast which has a liquid core, a width and a thickness. The guide rolls are constructed so as to impart to the rectangular strand leaving the mold exit opening a convex shape so as to prevent snaking of the strand within the continuous casting device. The convexivity concavity extends along at least a part of the width of the strand and is no more than 8% of the strand thickness.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: June 6, 2000
    Assignee: Mannesmann Aktiengesellschaft
    Inventor: Fritz-Peter Pleschiutschnigg