Patents Assigned to SMS Schloemann-Siemag Aktiengesellschaft
  • Patent number: 5988551
    Abstract: A method and an apparatus for severing wire windings which are uncooled and not tolerance-adhering from the beginning and end of a rolling line conveyed over a Stelmor plant or comparable wire winding conveying systems, wherein initially a number of the front windings of the rolled strand are counted and in accordance with a predetermined number of windings these windings are severed as front crop from the finished wire. Subsequently, the severed windings are accelerated on a first conveyor and the following finished wire is decelerated, so that the cut location is widened during transport.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: November 23, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Carsten Wiedemann
  • Patent number: 5979207
    Abstract: A rolling mill drive with gear-type joint spindles arranged between driveable rolls and the gear units of the driveable rolls and equipped with a device for circulatory or pressure lubrication of the gear units. Each spindle has a grooved oil supply ring connectable to an oil supply, wherein oil can be supplied through a central duct of the spindle shaft to the gear-type joints, and with a stationary housing surrounding the spindle shaft at a distance and serving for the oil discharge, and with an oil delivery pump connectable on the pressure side to the oil supply rings and interacting with an oil cooler. Each gear-type joint spindle is surrounded by a pipe at a radial distance so as to form an annular oil return duct. The pipe is open at the end facing the gear unit and protrudes into the oil collection housing provided at this location for effecting oil discharge.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: November 9, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Karl-Heinz Seidl, Helmut Kuhn
  • Patent number: 5970765
    Abstract: A method of rolling strip in a strip rolling train having at least two roll stands, each roll stand having horizontally adjustable upper and lower work rolls, wherein the work rolls act alone as a two-high stand or each work roll is supported directly or through an intermediate roll by a back-up roll, or in a reversing stand in which at least two passes are rolled, wherein the strip is subjected in the roll stands to a constitutional change, and wherein adjusting elements act on the strip for imparting a profile and surface evenness to the strip. The method includes presupposing in at least one strip area an intended surface unevenness shape over a width of the strip, determining an actually achieved surface unevenness shape in the strip area and comparing the actually achieved surface unevenness shape to the presupposed unevenness shape, computing a difference between the unevenness shapes, and operating the adjusting elements such that the difference is minimized.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: October 26, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Jurgen Seidel
  • Patent number: 5966977
    Abstract: A method of rolling steel sections, particularly in a universal section mill, wherein X-shape rolling and H-shape rolling are carried out alternatingly and specifically directed cooling of the steel section is carried out during rolling. During roughing rolling in a X-shaped groove a cooling water channel is formed at each side of the steel section at the connecting locations between web and flange. The roll cooling water flowing off from the H-shaped rolls is concentrated in the cooling water channels. An additional quantity of water may be added either without pressure or in the form of spray water to the concentrated roll cooling water.
    Type: Grant
    Filed: May 21, 1998
    Date of Patent: October 19, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Georg Engel, Paul-Josef Mauk
  • Patent number: 5967439
    Abstract: A wire coil forming station to be arranged following a coiler with cooling line includes a rotatable shaft extending with an inclination of 45.degree. relative to a horizontal base and mandrels mounted at equal circumferential distances and at an angle of 45.degree. relative to the shaft axis on the free end of the shaft. The shaft is rotatable for moving each mandrel successively into an approximately vertical coil forming position and into an approximately horizontal position in which the transfer of a coil to a longitudinally moveable and raisable and lowerable hook of a hook-type conveyor takes place. Each mandrel is composed of a U-shaped section which is open toward the shaft axis. The free end of each mandrel has a support for a cap to be placed on the support, wherein, seen in the axial projection, the diameter of the body of the cap determining the wire coil diameter protrudes with a radial distance to all sides beyond the approximately square cross-section of the mandrel.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: October 19, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Dieter Klein
  • Patent number: 5966978
    Abstract: A method and device for alternatingly operating one of several reels arranged following a continuous strip rolling mill, wherein the continuously arriving rolling stock is cut into coil weights of desired lots by means of flying shears provided at the exit of the rolling mill.
    Type: Grant
    Filed: February 12, 1997
    Date of Patent: October 19, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Gunter Kneppe, Martin Braun
  • Patent number: 5964116
    Abstract: A roll stand for rolling strip includes work rolls which rest against back-up rolls through intermediate rolls, wherein the work rolls and/or the back-up rolls and/or the intermediate rolls are arranged so as to be axially slidable relative to each other, and wherein at least the work rolls and/or the intermediate rolls have a curved or cylindrical contour extending over the entire roll length. The work rolls and the intermediate rolls have at one of their end faces an annular recess extending around the roll neck, wherein the annular recess is located between the roll neck and the outer surface of the roll.
    Type: Grant
    Filed: August 12, 1998
    Date of Patent: October 12, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Thorsten Bode, Hans-Peter Richter, Hans Georg Hartung
  • Patent number: 5961022
    Abstract: A driver for rolled strip includes a first roll which is mounted so as to be essentially stationary and a second roll which is adjustable relative to the first roll. The second roll is supported in a swivel frame which is adjustable by a pressure medium cylinder. The swivel frame is composed of two oppositely located links which are connected in the area of their common swivelling axis by a base which is supported on both sides thereof in the driver frame. The links can be adjusted by pressure medium cylinders which can be actuated separately and the base connecting the links is constructed as a torsion spring.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: October 5, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Joachim Pfeiffer, Peter Sudau
  • Patent number: 5946783
    Abstract: A high-capacity wire rolling mill including a wire train and/or rod steel train for concrete reinforcing steel and simple carbon steels, further including a continuous casting plant or a continuous casting wheel for high production, a direct interconnection of the continuous casting plant or casting wheel to the rolling mill, a buffer furnace between the continuous casting plant or the casting wheel and the rolling mill for compensating production differences and smaller rolling mill interruptions, a compact roughing train and intermediate train I, a unit calibration for the train sections, looping by 180.degree.
    Type: Grant
    Filed: May 7, 1998
    Date of Patent: September 7, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Uwe Plociennik, Alfred Muller
  • Patent number: 5944275
    Abstract: A device for forming loops from a wire strand emerging from a wire rolling train using a rotating looper, wherein the device includes a conveyor onto which the loops are placed while the conveyor is moving, wherein a driving unit, a looper and a roller conveyor, a chain conveyor or the like, are arranged following the wire rolling train and wherein the driving unit and possibly also the looper are arranged inclined relative to the horizontal. The driving unit and the looper are arranged at a fixed predetermined angle of inclination relative to the horizontal, while the conveyor on which the loops are placed is constructed so that its angle is adjustable relative to the horizontal.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: August 31, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Albert Hauck
  • Patent number: 5943896
    Abstract: 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: Grant
    Filed: May 7, 1998
    Date of Patent: August 31, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Dieter Rosenthal, Jurgen Seidel
  • Patent number: 5943895
    Abstract: The crown on a steel strip in a rolling mill is controlled by a continuous rotational adjustment of an arbor in response to a control signal representing the current crown profile or deviation therefrom, the arbor being equipped with a series of eccentric rings fixed thereto, bearings surrounding the rings, and a continuous or segmented sleeve around the rings. Where the sleeve is segmented, use of an intermediate roll is suggested.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: August 31, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Herbert Lemper
  • Patent number: 5943894
    Abstract: A method of rolling plates from input stock in several successively arranged work steps, wherein, depending on the desired end product, different numbers of n passes are carried out in one or more roll stands, preferably in a hot-rolling reversing stand. From a pass n-k to a pass n-1, greater pass reductions (smaller strip thicknesses) are rolled at the strip beginning than at the strip end, wherein k is a counting number in the range of from 1 to n-1.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: August 31, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Stephan Kramer
  • Patent number: 5941115
    Abstract: A rolling train, particularly tandem stand group, includes roll stands, particularly two universal stands and an edging stand arranged between the universal stands, wherein the roll stands are each equipped with guide fittings, and wherein the rolling train further includes a shifting platform arranged on the operator side and an exchange carriage moveable for changing rolls. The guide fittings are connected to the roll sets and can be moved out of the rolling line as a unit together with the roll housings on the operator side of the three roll stands.
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: August 24, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Michael Minnerop, Hans-Jurgen Reismann
  • Patent number: 5941298
    Abstract: An oscillating mold for continuously casting slabs, preferably of steel, has long side walls and short side walls freely movable relative to the long side walls, and an immersion outlet. The long side walls define a center-symmetrical casting funnel having a funnel shape which is configured such that the distance between the long side walls in the casting funnel is reduced toward the outlet end of the mold and that in the meniscus area and at least along the length of the immersion outlet the funnel shape corresponds to or follows the outer cross-sectional size of the immersion outlet. The long side walls have adjacent the casting funnel a shape which is linear and planar over the mold length and center-symmetrical and concave transversely of the mold length.
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: August 24, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Fritz-Peter Pleschiutschnigg
  • Patent number: 5938935
    Abstract: A method and an apparatus for the purification and treatment of liquids which are used for cooling and/or lubricating and contain impurities of metal and other materials, particularly for separating scale from the process water of cooling cycles in the metallurgical industry, wherein the liquid to be purified flows through intermediate spaces between plates arranged parallel next to each other in a container, and wherein the plates are arranged horizontally and are moved upwardly and/or downwardly transversely of the flow direction of the liquid. The solid particles are removed from the process water by sedimentation on the plates and additionally by a magnetic force which emanates from the upper sides of the plates.
    Type: Grant
    Filed: October 9, 1997
    Date of Patent: August 17, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Werner Schimion
  • Patent number: 5938432
    Abstract: A top closing device for shaft furnaces, particularly blast furnaces, including an inlet hopper with inlet pipe, a rotating, vertically non-adjustable chute carrier with rotary drive, a pivotable chute in the furnace interior with external drive means, and sealing members between the rotating and stationary components. The rotating chute carrier is mounted with a gear ring attached to a flange in a ball bearing slewing rim arranged on a catch basket. The rotary movement of the rotating chute carrier is effected outside of the furnace space by an electric motor drive with pinion. The catch basket is arranged on the furnace support ring of the gas seal hood. The pivoting or tilting movement of the chute relative to the furnace axis within the rotating chute carrier is effected by a hydraulic or electromechanical drive outside of the furnace space. An annular sealing member for sealing relative to the rotating chute carrier is mounted on the furnace support ring next to the flange of the catch basket.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: August 17, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Peter Heinrich, Hartmut Hille, Werner Otremba, Marco Ricke
  • Patent number: 5934594
    Abstract: A coiler in wire rolling trains includes a laying pipe support supporting a laying pipe, wherein the laying pipe support includes a support disk holding the wire insertion pipe member. The support disk is coupled for rotation with a rotating insertion sleeve for this pipe member, wherein the insertion sleeve supplies the wire, and wherein the support disk is connected coaxially with a cantilever projection which receives the laying arm portion of the laying pipe. The coiler includes a cylindrical or truncated cone-shaped surrounding body extending around the laying pipe support at a radial distance, wherein an end opening facing the insertion sleeve is releasably and attachably connected to the support disk of the laying pipe support, and wherein air passage openings are arranged in the wall of the surrounding body.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: August 10, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventor: Siegfried David
  • Patent number: 5927127
    Abstract: The invention relates to an installation for cold rolling strip-shaped rolling material, with a reversing stand disposed between two reel-up or unreeling coils or reels, and a second reversing stand in the rolling line of the first reversing stand, with both stands capable of being adjusted corresponding to consecutive passes for performing the rolling process.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: July 27, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Klaus Klamma, Wilfried Bald
  • Patent number: 5927128
    Abstract: A block-type roll stand arrangement for single strand rolling including roll stand housings mounted on a support structure. The roll stand housings are all of the same construction and each receives a pair of roll support shafts and the drive gear units therefor. The roll stand housings are arranged one behind the other with the roll support shafts being alternatingly inclined at an angle relative to the rolling line. Stiffening ribs are arranged between the plate support members. The stiffening ribs are connected to the side surfaces of the plate support members and to the base plate. The stiffening ribs may be composed of angle sections with a symmetrical angle cross-section, wherein the parallel outer edges of the angle sections rest on the base plate and whose angle-shaped front and rear side edges rest against the side surfaces of the plate support members.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: July 27, 1999
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Gerhard Pithan, Rudiger Grimmel, Karl Keller