Abstract: For the alternative guiding of an I-shape or dog bone profile or a bloom, roller members or rolls are mounted at two sides of a support. By rotating such support it is possible to positionally set those rollers best suited for the processing of the momentary type of strand which is being cast.

Abstract: A continuous casting machine has a flow through mold and a flexible starting bar composed of a plurality of short sections coupled by hinges which permit the sections to pivot inwardly to a slight degree but prevent outward pivotal movement beyond the machine's arcuate casting path. A storage assembly for the starter bar includes a pair of support stands each having spaced drive rolls disposed along the arcuate casting path through which the starter bar passes as it is moved into and out of its stored position. One roll of each stand is fixed and the other is mounted on a pivotal arm engaged by a hydraulic cylinder to provide a pinching effect on the starter bar as it is moved between its operative and stored positions.

Abstract: A plurality of sets of three rolls are disposed around the periphery of the round continuously drawn from a mold and movable to the direction for or counter to the rounds, the sets being disposed along the drawing direction of the rounds. It is not necessary to replace the apparatus even when the size of the round is changed due to the replacement of molds, as the roll position are adjustable to the rounds.

Abstract: A manoeuvering system for a foundry plant for the automatic manoeuvering of heavy implements includes two carrier pins located on the same side of each implement. A carriage is movably mounted to a frame and a gripper including two jaws as attached to the carriage. This gripper is rotatably mounted to the carriage so that the implement can be rotated as well as moved longitudinally.

Abstract: A piping assembly suitable for cooling a roller section in a secondary cooling zone of a continuous casting line, the roller section having a number of cast strip guide rollers mounted on a support frame through bearing boxes, wherein the piping system includes cooling water passages provided within the frame of the roller section and cooling water circulating ports formed in the wall of the frame and disconnectibly connected to cooling water passages in the bearing boxes and guide rollers.

Abstract: An apparatus for continuous horizontal casting with a stationary mold and the casting method accomplished with such apparatus contemplates employing at least one gripper roll pair which directly engages a casting which is then withdrawn in steps or incrementally from the mold. At least one roll of each roll pair is driven by a stepping DC-motor to which it is directly coupled. Each casting withdrawal step can be divided into substeps which are controllable to produce a uniform preset speed pattern during each step.

Abstract: In a horizontal continuous casting plant which includes a mold and an oscillatory withdrawal device downstream of the mold, the withdrawal device is positioned along the strand path, by a computer-controlled motor, at a point such that the strand will not be damaged or impaired by the pressure applied to it by the strand engagement elements of the withdrawal device. Preferably, the strand engagement elements comprises one or more pairs of rollers which also are adjustable, by computer-controlled motors, to a desired elevation and separation to accommodate a range of cross-sectional dimensions of the strand.

Abstract: A strand guide for a multi-strand metal casting apparatus has a longitudinal girder of at least two individual girder sections. Each girder section is provided with a support element having rows of V-shaped supporting rollers and opposed cylindrical rollers. The rows of rollers support the metal veins. The support elements extend at right angles to the girder sections and are provided with stems which are suspended in shoe supports. The shoe supports are connected to a bearing which, itself is vertically and horizontally adjustable.

Abstract: An apparatus for horizontally and intermittently withdrawing a cast steel strand from a horizontal mold of a horizontal type continuous casting machine, which comprises: at least one pair of pinch rolls (2A, 2B; 3A, 3B) for horizontally and intermittently withdrawing the cast steel strand from the horizontal mold by a plurality of cycles each comprising one pull for a prescribed period, one pause for a prescribed period and one push for a prescribed period; a driving device (4) for driving the at least one pair of pinch rolls (2A, 2B; 3A, 3B) through a driving force transmitter (6) in response to the above-mentioned one pull, one pause and one push in each cycle; and a brake (12) for imparting to the driving device (4) a braking force proportional to the number of rotations of the driving device (4) during the prescribed period of the one pull in each cycle so as to prevent the cast steel strand from being pulled over the prescribed period of the one pull in each cycle, the braking force of the brake (12) bei

Abstract: A guide roll particularly suitable for conveying workpieces of high temperature, which: includes a steel core shaft internally provided with a cooling water passage along the axis thereof; a ceramic sleeve covering the circumference of the core shaft and constituted by a plurality of separable annular ceramic segments loosely fitted on and along the length of the core shaft; and fixing members for holding the respective annular ceramic in axially abutted state on the core shaft.

Abstract: A guide roll of the type which is provided with a ceramic sleeve around the circumference of a steel roll shaft with an internal cooling water passage, the guide roll including a cylindrical ceramic sleeve constituted by a multitude of discrete ceramic segments assembled into a number of annular unitary rings fitted around the circumference and along the length of the roll shaft, the individual ceramic segments being mounted in a restricted state at least in radial and circumferential directions of the roll shaft; and end plates securely fixed to the opposite ends of the roll shaft to grippingly hold the respective unit rings in an axially abutted state on the circumference of the roll shaft.

Abstract: A ceramic guide roll having a multitude of discrete ceramic segments cylindrically assembled around the circumference of a steel core shaft of the guide roll, the ceramic guide roll including a stopper member provided at a first end of the steel core shaft and a segment retainer attached to a second end of the steel core shaft opposite the first end through a resilient mechanism for holding the ceramic segments constantly in abutting engagement with each other in the axial direction of the steel core shaft in cooperation with the stopper member.

Abstract: A device for manufacturing metal strips by the roll casting process and having at least two rolls mounted in bearings in supporting frames is such that the supporting frames (5a and 5b) are connected by pre-tensioning facilities (E) each of which comprises a hydraulically or pneumatically powered cylinder-piston system. The said pre-tensioning facilities are mounted at one end on a pedestal base (10) running under the frame (5b) and at the other end on a cross beam (15) extending over the other supporting frame (5a).

Abstract: A checking and aligning stand for measuring and aligning structure sections of the strand guide of a continuous casting plant includes measuring surfaces to determine the mounting position of the structure section. In order to be able to effect a quick check of the mounting position of curved structure sections of a bow-type continuous casting plant without impeding the casting operation during this adjustment work, at least two pairs of measuring surfaces arranged at an angle to each other, preferably at 90.degree., to determine the roller-way coordinates relative to the position-defining supporting surfaces of the structure section are provided on the checking stand.

Abstract: A continuous casting plant includes supporting elements following a through-type mould and including the strand guideways. The elements are arranged within a cooling chamber and are fastened to a supporting structure so as to be adjustable relative to the through-type mould and relative to one another in the direction transversely to the longitudinal axis of the strand guideways. In order to be able to carry out an aligned adjustment between the mould and the supporting elements in a simple manner, with little work to carry out and even with the plant in operation, wherein the entry of the cooling chamber is avoided, at least one of the supporting elements is coupled with an adjustment means. This adjustment means is fastened to a supporting structure, directed outwardly from the cooling chamber and actuatable from outside of the cooling chamber.

Abstract: A roll, for high temperature service in continuous slab casting, has having its sleeve shrinkage-fitted onto the roll shaft under tight contact state, wherein the alloy composition of the sleeve as expressed in % by weight is as follows.The principal components are:C: 0.20 or lessSi: 0.1 to 2.0Mn: 0.1 to 2.0Cr: 10 to 14N: 0.02 to 0.20; providedC+N: 0.30 to 0.35; andin addition to the principal components specified above, permissably one or more components beingNi: 0.1 to 5.0Mo: 0.1 to 2.0V: 0.01 to 0.3W: 0.1 to 0.3, andthe balance is Fe.

Abstract: A metal supporting structure is disposed just beneath the mold of a continuous casting machine for supporting and cooling hot metal coming down from the mold. The structure comprises a backing frame which is disposed just beneath the mold of the continuous casting machine for defining a cavity leading from the exit of the mold. The backing frame is formed therein with a number of through openings. A number of spray nozzles are arranged at the back of the backing frame and which are directed to spray cooling water through the openings onto the skin of the metal being continuously drawn from the mold into the cavity of the backing frame. A wear lining is disposed to line the inner wall of the backing frame.

Abstract: An improved take-off device for a horizontal continuous-casting installation is provided. The arrangement comprises a frame and a mounting seated on rollers in the frame. The mounting is rotatable relative to the frame and supports the drive roll and its drive shaft, and a counter-pressure roll, which rolls preferably have counter-profiles corresponding to the cross section of the casting. The mounting comprises two concentrically arranged tubes which are sealed at their ends, thereby defining a cooling area therein. The adverse effects of gravity on casting quality may be mitigated by rotating the mounting relative to the frame, and locking it as a desired relative position, depending upon the cross-sectional configuration of the casting.

Abstract: To enable a segment of a cluster of bottom and top guide rolls to be readily replaced in a curved guide rack of a continuous casting installation, two fixed guide rails extend generally radially with respect to the curved guide rack at the two opposite sides of the guide roll support, rollers at opposite sides of the support engaging the guide rails for movement therealong, each guide rail including at least one portion inclined in relation to the generally radial direction of the guide rail and so disposed that, when the support is displaced along the guide rails, the support is pivoted into a skewed position which permits the support to pass between the two outer top guide rolls of two like segments adjacent thereto.

Abstract: A casting support apparatus comprising pairs of opposed separate cooling plates arranged in an upper stage immediately below a mold and each having grooves in its surface; pairs of opposed separate cooling plates arranged in a lower stage immediately below the upper stage cooling plates and each having grooves in its surface; a plurality of cooling rolls each rotatably provided in a space formed between each two adjacent cooling plates in each of the stages, each of the cooling rolls being formed with annular grooves along its outer periphery; jet nozzles arranged for introducing cooling water into a space between a casting and the cooling plates in each stage from above the cooling plates; jet nozzles arranged for introducing cooling water into a space between the casting and the cooling rolls in each stage from above the cooling rolls; and auxiliary jet nozzles arranged for applying cooling water to the rear surfaces of the cooling plates in each stage.

Abstract: Apparatus for the continuous casting of metals, particularly of steel in curved path, in which in the initial portion of the curved path of the casting bar below the mold the bar-guiding means are missing. According to the invention, in the apparatus of this type the casting bar-guiding means provided only in the final portion of the curved path of the casting bar, upstream of the withdrawing and straightening mechanism, comprise at least one pair of powered pulling rollers arranged near their upper, or mold-facing end. To this apparatus there is associated a curved, rigid starter bar which is bent substantially to the same curvature as the curved path of the bar, and is of such a length that when it is positioned to close the mold outlet, it is still engaged between the first pair of powered pulling roller of the casting bar-guiding means provided in the last portion of the curved path of the casting bar, upstream of the withdrawing and straightening mechanism.

Abstract: During the continuous casting of preforms of large cross-section, considerable problems occur in the straightening region, because due to straightening, deformations are caused in the billet which has not yet solidified at the core. Therefore, in addition to the upper and lower straightening rollers additional lateral support rollers are provided, so that the billet is supported on all sides. For the purpose of space-saving incorporation in a multi-billet installation, the support rollers are mounted in swinging frames, which are moved by vertically raised cylinders. In order that the support rollers can be adapted to different billet dimensions, they are received within the fork-like swinging frames by vertically movable guide frames with roller supports inserted therein and able to be adjusted horizontally. Springs inserted in the swinging frames exert a continuous force in a vertical direction against the guide frames.

Abstract: In a supporting and guiding arc for cast strands including rollerways supporting the strand on opposite sides, the rollers are mounted on one-piece arcuate longitudinal carriers extending over the total length of the guiding arc. Transverse carriers are arranged in pairs opposite each other along the arcuate longitudinal carriers at a distance from one another, engaging the arcuate longitudinal carriers from behind and being connected by drawing anchors. In order to combine the advantages of guiding arcs assembled of segments arranged in series with the advantages of guiding arcs equipped with continuous arcuate longitudinal carriers, each rollerway has only two arcuate longitudinal carriers. A plurality of supporting segments are inserted between the arcuate longitudinal carriers and are detachably fastened to the same. A plurality of rollers allocated to a rollerway are journaled on each supporting segment.

Abstract: An arrangement of coaxial neighbouring, mutually independently mounted strand guide rolls for use in a continuous casting installation for casting steel slabs is disclosed. At the region of the path of travel of the cast slab mutually neighbouring bearing or roll journals of two cooled strand guide rolls are interconnected by a coupling means which can be mounted upon the bearing or roll journals. The coupling means is provided with entrainment surfaces for the rotational movement of the guide rolls. These entrainment surfaces coact with the bearing or roll journals.

Abstract: A rack-changing apparatus for a continuous casting installation, especially for changing the curved guide, support and cooling racks of a continuous casting installation having a plurality of casting lines, has a carriage which is shiftable transversely to the casting lines on rails mounting below the casting floor and preferably extending beyond the installation to a location at which the racks can be deposited and picked up. An arm on the carriage is swingable in a vertical plane about a horizontal axis and is extensible and retractable while carrying on its end a clamping mechanism swingable in a vertical plane about a horizontal axis at the arm end for engagement with the racks.

Abstract: A bow-type continuous casting plant includes a strand bending arrangement arranged below the mould, and a circular-arc guide for the strand following thereupon. The circular-arc guide has oppositely arranged supporting roller ways, and the bending arrangement includes two oppositely arranged bow-structure parts carrying bending and supporting rollers each, and being supported on each other. The distance of the supporting-roller ways of the circular-arc guide is variable in accordance with the strand cross section to be adjusted. One of the bow-structure parts of the bending arrangement is provided with exchangeable roller carriers detachably fastened to it and adapted to different strand cross-sectional formats with their dimensions.

Abstract: In a strand guiding stand including oppositely arranged stand parts connected by drawing anchors and on which strand guiding rollers are journaled, at least one of the stand parts is displaceable, and fixable, by a displacement device along the drawing anchors. The displacement device includes at least one bushing on each drawing anchor, with a helical supporting surface. Each bushing leans against a fixed abutment of the drawing anchor and the displaceable stand part is supported on the bushing. In order to prevent a change in the distance of the oppositely arranged strand guiding rollers and to be able to adjust the distance automatically merely by rotating the bushings, the helical supporting surface of each bushing has an angle of inclination that is larger than the pertaining angle of friction.

Abstract: In a method and apparatus for bending a strand in a continuous casting installation for metals, especially steel, the ferrostatic pressure of the liquid core or pool of the cast strand is supported at a transition curve along a bending path between a circular arcuate-shaped roller apron path or track and a straight roller apron path or track by means of pairs of support rolls. In order to obtain uniform low elongation velocities at the strand skin or sheel throughout the entire transition curve for the purpose of improving the surface quality of the cast strand and for avoiding structural flaws at the solid-liquid interface as well as for simplifying the adjustment, alignment and maintenance work, the transition curve along the roller apron track is continuously accommodated to changing casting and/or strand parameters by the action of the strand itself.

Abstract: An arrangement for continuously casting a metal strand includes a continuous casting mould reciprocating in the longitudinal direction. A casting tube sealed relative to the inner walls of the mould projects into the continuous casting mould. An extraction means for the strand running out of the continuous casting mould is provided. In order to start casting without using a starter bar and by observing the shortest set-up times possible, the mould and the extraction device composed of driving rolls are arranged on a car or sledge that is displaceable to and fro in the longitudinal direction of the continuous casting mould. A coolable closure piece for the mould cavity is insertable and removable between the run-out side end of the mould and the extraction device.

Abstract: A continuous casting roll comprises a roll body having a cooling water bore coaxially therewith, and a sleeve fitted around the roll body and having one end fixed to the roll body and the other end as a free end. The roll body has a trunk portion and a shaft portion at each end of the trunk portion. A plurality of cooling water channels provided between the trunk portion and the sleeve extend in parallel axially thereof and have opposite ends in communication with the water bore. The sleeve is fitted around the roll body by a shrink fit the interference of which decreases steadily from the fixed end toward the free end to permit free thermal deformation of the sleeve toward the free end.

Abstract: In continuous casting equipment having a path of transport of castings defined by roll segments and having a curved section and a horizontal section, an apparatus for hoisting the roll segment comprises a pair of pivotal guide rods pivotably supported by a trolley disposed above the horizontal section, a pair of fixed guide rods arranged on the opposite sides of each of the roll segments defining the curved section, and a pair of fixed circular arc rails extending along the paths of movement of the free ends of the pivotal guide rods. A truck, movable on the rails and engageable with the pivotal guide rods, is reciprocatable along the rails to align the pivotal guide rods with a desired pair of fixed guide rods for hoisting the corresponding roll segment along the fixed guide rods to the pivotal guide rods in alignment therewith.

Abstract: A roller apron or strand guide arrangement for the withdrawal and/or straightening region of a continuous casting installation for the casting of strands contains two roll tracks subdivided into sections or segments containing at least two rolls for each roll track. The rolls of each track section are mounted upon a respective traverse or yoke, with the one traverse being affixed to a frame and the other traverse is hingedly connected at piston rod heads of stationarily arranged pressurized fluid medium cylinders. The piston rod heads are associated with guides at stands, the guides extending transversely with respect to the roll tracks. The guides are arranged between the roll sections at regions of parting lines between the sections and each roll section at each side of the path of travel of the cast strand possesses two pressurized fluid medium cylinders whose piston rod heads are guided at one side along a respective one of the guides.

Abstract: In a supporting and guiding structure for a continuous casting plant, roller ways supporting the strand on two opposite sides are provided, one of the two roller ways being arranged on a first supporting framework and the other roller way being arranged on the second supporting framework which is braceable relative to the first supporting framework by drawing anchors and is connectable with the first supporting framework and detachable therefrom. In order to be able to effect the connection and release by parts that are easy to handle, a bayonet connection is provided as the connection between supporting framework and drawing anchors. The bayonet connection includes a disc having at least one recess and arranged on the supporting framework. A drawing-anchor head including a lateral neck that corresponds to this recess is insertable into the recess, and the drawing-anchor head or the disc is rotatable into a fastening position axially fixing the drawing anchor.

Abstract: A strand guide for an arcuate continuous casting plant has at least one arcuate, horizontally displaceable supporting and guiding structure. In order to be able to remove and install the supporting and guiding structure in a simple manner, on ensuring a good accessibility and not restricting the space on the casting platform, the supporting and guiding structure is mounted on at least one intermediate trestle. The intermediate trestle is adjustable in the arc plane and is supported on at least one supporting trestle which is adjustable transversely to the arc plane.

Abstract: A roll for guiding a cast metal strand emanating from a continuous casting machine comprises a cylindrical envelop rotatable about its axis by contact with the cast metal strand. A pair of tubular spindles project from opposite ends of the envelop coaxially fixed thereto and rotably mounted in the region of the outer ends in ball bearings fixed to the machine frame. A central tubular arbor equiped in a central portion thereof with an inductor extends with radial clearance through the spindles and is supported at end portions thereof projecting beyond the spindles in cradles fixed to the machine frame. A key or the like is provided in one of the cradles engaging in a cutout of the central arbor to prevent rotation of the latter during rotation of the envelop and the spindles connected thereto.

Abstract: Metal sheets having a low deviation of sheet thickness are produced by rolling a sheet through a finishing rolling mill in which at least a final stand is provided with oil film bearings of a rolling roll, each of which consists of a bushing in a roll chock bearing box and a sleeve tightly fitted to a tapered neck of the roll to form a journal relative to the bushing, and is provided with a key connection fixing the sleeve to the rolling roll in a zone of less than 0.2 times the length of a bearing pressure receiving zone from the end of the tapered fitting zone of the sleeve and the roll neck.

Abstract: In order to support a steel strand fabricated during a continuous strand casting method, and whose liquid core is agitated or stirred with the aid of an electromagnetic stirrer installed near the strand surface, the stirrer together with guide rolls is oscillatingly moved during the casting operation in the lengthwise direction of the cast strand.

Abstract: A supporting and guiding stand for continuous casting plants comprises roller ways supporting the stand on two opposite sides. One of the roller ways is arranged on a first supporting framework and the other roller way is arranged on a second supporting framework braceable relative to the first supporting framework by means of a number of drawing anchors and connectable to the same. Adjustment drives are provided for adjusting the second supporting framework relative to the first supporting framework.

Abstract: A supporting and guiding stand for a bow-type continuous casting plant comprises supporting segments in which the rollers of the oppositely arranged inner and outer guideways are arranged at a distance from one another. The supporting segments are removable from the arc outer side and are exchangeable. The individual supporting segments are displaceable on rails to accommodating positions, which are provided on the outer side of the arc at different heights, and are preferably offset from each other in step-like manner.

Abstract: Rollers used in roller aprons, which support and guide the metal strand formed in a continuous casting mold, are made of a fixed shaft and elongated roller sleeve sections which are rotatably mounted upon the shaft. The shafts are fastened upon spaced apart rails secured to support plates. Bearings are arranged between the ends of each sleeve section and its shaft. Each bearing comprises a journal type bearing part and a thrust type bearing part. The journal type bearing part includes a cylindrical bronze sleeve non-rotatably fitted within its roller section end. A "Teflon", bronze impregnated, thin wall liner bushing is fitted within a wide recess formed in the interior wall of the outer end of the bronze sleeve to thereby form about one-half of the journal bearing inner wall surface which is arranged in rotatable contact with its shaft.

Abstract: The continuous casting installation is provided with freely rolling rollers which can be releaseably coupled to drive motors to impart a pushing force on the moving slab. The drive motors are mounted on slides which are reciprocated by a piston-cylinder unit. Also, each drive motor can be reciprocated toward and away from a facing roll by another piston-cylinder unit.

Abstract: The freely rolling rolls are provided with distance wheels at the respective ends. Alternating rolls are provided with distance wheels which are fixedly mounted to the roll bodies while the remaining rolls are provided with distance wheels which are rotatably mounted on the roll bodies. The adjacent distance wheels are also provided with interengaging V-shaped grooves and projections for lateral stability of the rolls. The distance wheels provide for a constant uniform spacing of the rolls and maintain the rolls in parallel relation.

Abstract: A strand guide for a continuous casting plant includes oppositely arranged rollers for supporting and guiding the strand. The axes or shafts of the rollers are detachably fastened to longitudinal carriers of a strand guiding stand. The longitudinal carriers are arranged between holding means supporting the axes of at least two pairs of oppositely arranged rollers, and the holding means of these oppositely arranged rollers are clamped relative to each other by centrally positioned clamping means.

Abstract: In order to improve disassembly of the oscillation mechanism at a continuous casting installation, the continuous casting mold and the first support guide zone, and at the same time to obtain a support guide arrangement free of dislocation at the transition location, an upper section of the machine base frame and a support frame for the mold and the first zone of the support guide arrangement are at least partially overlappingly arranged. The underside of the frames are supported upon a foundation which is common to such frames. The upper section or portion of the machine base frame at its upper end region and the support frame for the continuous casting mold are movably supported in the direction of travel of the continuously cast strand at a common support location.

Abstract: A guiding stand to be used in a continuous casting plant includes rollers supporting the strand at opposite sides and arranged in a supporting framework. The rollers, at least at one side of the strand, are mounted in guide rods pivotably arranged in the supporting framework for adjustment to various strand thicknesses. The guide rods are pivotable by an adjustment device, and the guide rods of neighboring rollers are each connected with one another by coupling rods in the manner of a four-bar linkage.

Abstract: A protection arrangement for preventing damage at a continuous casting plant for slabs in case of a breakthrough of molten metal through the solidified strand skin, includes a collecting device for molten metal provided below the mould at a supporting stand for the strand and enclosing the strand in the peripheral direction. The collection device is made up of displaceable collecting plates with separate collecting plates for each side of the strand. The collecting plates on the broad sides are each connected with part of the supporting stand, and the collecting plates provided for the narrow sides are displaceable by an adjusting device and overlap the collecting plates on the broad sides.

Abstract: A strand guiding stand to be used in a continuous casting plant has longitudinal beams and cross beams forming a cage-like carrying structure. Strand guiding rollers having roller axles are mounted in this cage-like carrying structure. Roller holding means accommodate the roller axles and thereby fasten the strand guiding rollers of each side of the strand guiding stand directly to the longitudinal beams, independently of the cross beams.

Abstract: A roller apron for a continuous casting installation, especially for casting steel strands, for supporting a partially solidified strand, which comprises a number of successive pairs of rolls which follow one another in the direction of travel of the strand. The bearings of at least one roll are arranged at a traverse or crosshead extending essentially parallel to the lengthwise axes of the rolls. The traverse can be applied against stops governing the format or cross-sectional thickness of the strand and coacting at both ends with pivotable levers articulated at the machine frame and at a movement device. The movement device comprises a power source interconnecting both of the pivotable levers.

Abstract: A combined roller support bar and spray cooling system for mounting at the open bottom of a vertically arranged molten metal continuous casting mold carries a horizontally axised roller which engages and guides the cast slab portion emerging from the mold. The bar is provided with a longitudinal passageway into which cooling water is flowed. The water flows out through numerous transverse passageways formed in the bar, which terminate in nozzle ends oriented to spray the water above and below the roller against the adjacent slab surface for cooling purposes. The spray water cools the interior of the support bar, as it flows through the passageways, to prevent heat caused warping and twisting and thereby maintain the pre-set, accurate orientation of the roller and nozzles.

Abstract: A continuous vertical casting line includes an elongated vertical casing of U-shaped section with a continuous casting mold at the upper end of the casing. Within the casing are rotatable support rings for supporting guiding rollers along the axis of the blank cast by the casting mold. The roller portion of the casing supports an extractor in the form of a single pair of extraction rollers. The extraction rollers are mounted on a support rotatable by a mechanism in a stationary base. The roller support is removably retained on its base, and the base is removably retained in the casing. The arrangement permits substantial reduction in weight of the casting line and simplifies both the construction of the casting line and the removal and replacement of components.