Abstract: Support bearing which comprises a first ring and a second ring disposed inside the first ring and substantially coaxial thereto. The first ring and the second ring define between them an annular hollow space in which a cage structure is disposed comprising two circular crowns disposed distanced from each other and between which a plurality of rolling elements are disposed, provided to allow the reciprocal rotation of the first ring and the second ring. The bearing is suitable to support a roll which is used particularly, but not exclusively, in coating processes of a metal product, such as for example strip, wire, bars, by means of metal coating methods such as those known such as galvanization, aluminizing or other similar coating processes.

Abstract: A template (1) for centering rollers at the foot of an ingot mold, the ingot mold being provided with a round section crystallizer into which the template can be inserted passing therethrough from a first end to a second end, the template comprising a round section tubular frame (5), defining a longitudinal axis (X) and having a plurality of longitudinal slots (6) arranged at an equal angular distance from one another; a plurality of longitudinal plates (7) configured so that each longitudinal plate is inserted into a respective longitudinal slot (6) and can move in radial direction through said respective longitudinal slot; at least one inflatable chamber (8, 8?), housed into the tubular frame (5) and at least partially covering the longitudinal extension of a frame stretch adapted to remain inside the crystallizer when the template is inserted into said crystallizer, said at least one inflatable chamber being adapted to expand so as to move said longitudinal plates outwards in radial direction to adhere the

Abstract: A converter comprising a container (2) defining a first axis (X); a support ring (3), coaxial to the container (2) and spaced therefrom, equipped with two diametrically opposite supporting pins (6), defining a second axis (Y) which is orthogonal to the first axis (X), adapted to allow the converter to be rotated about said second axis; suspension elements, connecting said container (2) to said support ring (3), restrained at a first end to the container (2) and at a second end to the support ring (3); in which said suspension elements comprise at least three first bars (7) arranged parallel to the first axis (X) and substantially equidistant from each other along said support ring; at least two second bars (8, 8?), each second bar (8, 8?) being orthogonal to said second axis (Y) and diametrically opposite with respect to the other second bar (8?, 8); at least one third bar (9) being arranged parallel to a first plane (X-Y) defined by said first axis (X) and second axis (Y); wherein all said bars are fixed-end

Abstract: A suspension device (8) for a converter, comprising a central structure (8?), adapted to be fixed to a container (2) of the converter (1), a first lateral structure (29), arranged at a first side of the central structure and adapted to be fixed to a first surface (10, 11) of a supporting ring (3) of the container, a second lateral structure (28), arranged at a second side of said central structure and adapted to be fixed to the surface (10, 11), wherein two wedge-shaped elements (15, 15?) are provided, each element being provided between the central structure and a respective lateral structure and configured so as to slide on sliding surfaces (23, 24, 24?) connected respectively to the central structure and to the respective lateral structure, wherein each wedge-shaped element is crossed by at least one tie-rod (16, 16?) connected thereto, and wherein elastic means (17) are provided, which are associated to or intrinsic with said one tie-rod and configured to maintain a wedging of the wedge-shaped element.

Abstract: An apparatus to feed and pre-heat a metal charge to a melting furnace of a steelworks comprises a feeding and pre-heating tower separate from the melting furnace provided with at least one compartment to temporarily contain said metal charge, transfer means to transfer said metal charge to said melting furnace and conveying means to convey the fumes exiting from the melting furnace to said compartment. The apparatus also comprises a post-combustion chamber, disposed adjacent to and below said compartment, and connected on one side to said compartment and on another side to said conveying means the post-combustion chamber being configured to determine the expansion of the fumes introduced by the conveying means and to direct said expanded fumes toward said compartment along a path such as to determine a desired residence time of said fumes suitable to obtain at least the substantial complete combustion of the unburned gases present in said fumes.

Abstract: A tie rod comprising locking elements to lock the tie rod to respective end supports (60,60?), the locking elements comprising, at each end support, two pairs of spacers (42, 43, 42?, 43?), each pair having surfaces joined to each other in the shape of an annular portion of a spherical cap, and at least two tightening nuts (41); wherein, at each end support, there are provided, symmetrically with respect to the support, two pairs of spacers, wherein the pair of joined surfaces of the first pair of spacers (42,43) has a radius equal to the radius of the pair of joined surfaces of the second pair of spacers (42?, 43?), said pairs of joined surfaces being arranged on different spherical surfaces, and wherein the two tightening nuts (41) are tightened externally on the first pair of spacers (42,43).

Abstract: Device for feeding metal into melting plant, in particular into melting furnace including hearth and lateral aperture. Device includes means to feed metal terminally associated with a connection conveyor including a loading plane and cooperating with translation and positioning means. Connection conveyor able to assume first position during continuous loading step, wherein its front terminal end is located substantially flush with the furnace internal wall through the aperture, to introduce metal inside the furnace; a second position distanced from the furnace wall during the step of tapping liquid metal from the furnace; and a third position while first loading the furnace, with the furnace switched off, wherein its loading plane front end is inside the furnace volume to be disposed in proximity to the distal internal wall opposite the furnace proximal internal wall, to unload and distribute a charge to cover at least part of the furnace bottom surface.

Abstract: Support bearing which comprises a first ring and a second ring disposed inside the first ring and substantially coaxial thereto. The first ring and the second ring define between them an annular hollow space in which a cage structure is disposed comprising two circular crowns disposed distanced from each other and between which a plurality of rolling elements are disposed, provided to allow the reciprocal rotation of the first ring and the second ring. The bearing is suitable to support a roll which is used particularly, but not exclusively, in coating processes of a metal product, such as for example strip, wire, bars, by means of metal coating methods such as those known such as galvanization, aluminizing or other similar coating processes.

Abstract: A cooling tank for the thermal treatment of the head of rails, whose frame allows obtaining a stable and on average uniform flow of the cooling fluid which touches the head of the immersed rail along the entire tank, with the continuous exchange of the fluid so as to optimize the cooling speed of the head of the rail.

Abstract: An apparatus for forming a bundle (11) of rolled bars, comprising bar conveying means (4), an inclined plane device (1) for forming a layer of bars and bar accumulation means (5), wherein the inclined plane device (1) comprises a plurality of support elements (2), arranged parallel to each another and defining a first plane inclined by an angle (a) with respect to a horizontal direction, and adapted to receive a predetermined number of bars defining the layer of bars on said first plane from said bar conveying means (4), handling means (60) for translating the inclined plane device (1) from a first maximum advancement position distal from the conveyor means (4) to a second maximum retraction position proximal to the conveyor means (4) to unload the layer of bars onto the accumulation means (5), at a speed such to prevent the bars resting on said supporting elements from being dragged.

Abstract: Device for the removal of scale from the surface of a metal product (11) by delivering water under pressure, said device comprising a box-like structure (20) defining an internal volume (22) for the passage of the water under pressure, connected to an exit fissure (23) having a gap value of less than a millimeter, and extending continuously for at least the entire width of the metal product (11).

Abstract: A tilting converter comprising a container (2), defining a first longitudinal axis X, having a bottom (2?); a support ring (3), coaxial to the container (2) and distanced from said container, provided with two diametrically opposite supporting pins (6), defining a second axis Y orthogonal to the first axis X, adapted to allow a rotation of the converter about said second axis Y; a suspension system, connecting said container (2) to said support ring (3), comprising groups (12) of first suspension devices (7), said groups (12) being arranged substantially equidistant to each other along a cylindrical side surface coaxial to the first axis X, in a position between the support ring (3) and the bottom (2?); each of said first suspension devices (7) being provided with a plurality of longitudinal elastic elements, each longitudinal elastic element being arranged alongside the next so as to define a laying plane, and a gap (15, 15?) is provided between one longitudinal elastic element and the next.

Abstract: A plant for coating a strip (5) by means of continuous hot dipping, comprising a containment tank (2) to contain molten zinc; a coating vessel (3) receiving the molten zinc, arranged above the containment tank and provided with an opening (4) on a bottom thereof for passing the strip; a chamber (6) arranged below the coating vessel and provided with guide rollers (7, 8) to guide the strip towards said opening; wherein the containment tank is arranged below the guide rollers so that chamber and containment tank form a single place, and wherein there is provided an intercepting and conveying system (9), arranged within the chamber, to intercept and convey the molten zinc leaking from said opening into the containment tank, said intercepting and conveying system being configured to bypass and wind the guide rollers and the strip being fed towards said opening.

Abstract: A converter comprising a container (2) defining a first axis X; a support ring (3), coaxial to the container and spaced therefrom, provided with two diametrically opposed supporting pins (6), defining a second axis Y orthogonal to the first axis X, adapted to allow a rotation of the converter about the axis Y; suspension elements, connecting said container to said support ring, clamped at a first end to the container and at a second end to the support ring so as to not require any maintenance as compared to traditional systems which use spherical joints and pins which are subject to wear, thus saving hours of maintenance and plant stand-still.

Abstract: A tie rod comprising locking elements to lock the tie rod to respective end supports (60,60?), the locking elements comprising, at each end support, two pairs of spacers (42, 43, 42?, 43?), each pair having surfaces joined to each other in the shape of an annular portion of a spherical cap, and at least two tightening nuts (41); wherein, at each end support, there are provided, symmetrically with respect to the support, two pairs of spacers, wherein the pair of joined surfaces of the first pair of spacers (42,43) has a radius equal to the radius of the pair of joined surfaces of the second pair of spacers (42?, 43?), said pairs of joined surfaces being arranged on different spherical surfaces, and wherein the two tightening nuts (41) are tightened externally on the first pair of spacers (42,43).

Abstract: A device (1) for forming rolled bar (3) bundles which allows to obtain perfectly tidy and super compact bundles, in which the bars (3) are perfectly aligned with one another without twisting, tangling or overlapping, both inside and outside the bundle, conferring an excellent shape and regular appearance to the same. A process for forming rolled bar bundles by using the aforesaid device is also described.

Abstract: An apparatus (1) for cooling a bar (10) comprising:—an outer casing (3),—a passageway (2) defining a crossing direction (X) for the bar (10),—at least one drum (4) comprising a plurality of cooling lines (6) each having at least one respective through cavity (9) parallel to the crossing direction (X) and a respective cover (15) which can move between an open position and a closed position, the drum (4) being accommodated in the casing (3) and rotational about a rotation axis (Y) to move the cooling lines (6) between an operating position (11), in which the cavity (9) is aligned with the passageway (2), and at least one resting position (12), in which the cavity (9) is separated from the passageway (2), the casing (3) being shaped so as to touch and hold the respective cover (15) in the closed position when the cooling line (6) is in the resting position (12).

Abstract: A handling machine for handling rails, arranged in line immediately downstream of a rolling plant, which allows an optimal clamping of the rail along its longitudinal extension, thus effectively withstanding the deflection and its variations, while allowing a longitudinal movement of the rail caused by thermal shrinkage, thus avoiding damages both to the external surface of the rail and to the handlers. A process of handling the rail is also described, which optimizes moving, positioning along a roller table and maintaining the rail substantially rectilinear during the thermal treatment to which it is subjected.

Abstract: Device and method for injecting solid material in particles, powder or granulated form, of varying grain size. The device comprises a tubular pipe which can be applied on a lateral wall of a melting furnace so as to dispose its exit end inside the volume of the melting furnace and above the meniscus of the liquid metal. The device also comprises a chamber or tank to contain the solid material and emitter means comprising valve means which can be selectively opened for an opening time in the range of tenths of a second, to introduce an impulsive jet of pre-compressed gas or air which, in coordination with the opening of an exit valve which can be selectively opened, disposed at one end of said pipe, determines the emission of an impulsive flow of the solid material contained in said chamber or tank, with high kinetic energy and quantity of motion.

Abstract: An oscillating descaler (1) for semi-finished metallurgical products comprises:—a passageway (2) delimited by two opposite input and output sections (3, 4) crossable by a semi-finished product (10) to be descaled according to a rectilinear crossing direction (X) oriented from the input section (3) to the output section (4),—a manifold (20) for a pressurized fluid extended according to a longitudinal direction (Y) defined between first and second longitudinally opposite ends (21, 22), arranged so that the longitudinal direction (Y) is not parallel to the crossing direction (X),—at least one nozzle (30) for spraying a jet (31) according to a spray direction (Z) which is coaxial to a hole (30a) of the nozzle (30) and inclined towards the input section (3) and towards one of the ends (21, 22) of the manifold (20, 20b),—motor means (M) for generating a rectilinear oscillating motion of the jet (31) along the longitudinal direction (Y).