Abstract: We disclose a chemical sensing device for detecting a fluid. The sensing device comprises: at least one substrate region comprising at least one etched portion; a dielectric region formed on the at least one substrate region, the dielectric region comprising at least one dielectric membrane region adjacent to the at least one etched portion; an optical source for emitting an infra-red (IR) signal; an optical detector for detecting the IR signal emitted from the optical source; one or more further substrates formed on or under the dielectric region, said one or more further substrates defining an optical path for the IR signal to propagate from the optical source to the optical detector. At least one of the optical source and optical detector is formed in or on the dielectric membrane region.

Abstract: Vibration device for a conveying apparatus (21) to convey a metal charge in a longitudinal direction (X) comprising at least two vibration mechanisms (25, 26) each disposed on opposite sides of the conveying apparatus (21) so as to feed the metal charge. The vibration mechanisms (25, 26) comprise at least a first plurality of eccentric masses (31, 32, 33) having their mass barycenters (B) oriented in parallel directions to each other, and a second plurality of eccentric masses (34, 35) having their mass barycenters (B) disposed angularly offset with respect to the disposition of the barycenters of the first plurality of eccentric masses (31, 32, 33).

Abstract: A control device (1) for an oscillating table (6), comprising: —a closed and pressurized hydraulic circuit (20), —a hydraulic actuator (21) connected to said hydraulic circuit (20) and adapted to be connected to the mobile part of the oscillating table (6) to adjust the position thereof, in which said hydraulic actuator (21) is a double-acting cylinder having a first chamber (21a) and a second chamber (21b) delimited from each other by a sliding piston (22) rigidly connected to a first rod (31a) which is rigidly restrainable to said mobile part, in which said hydraulic circuit (20) comprises at least one reversible hydraulic pump (9) directly connected to at least one of said first chamber (21a) and second chamber (21b).

Abstract: We disclose herein a thermal IR detector array device comprising a dielectric membrane, supported by a substrate, the membrane having an array of IR detectors, where the array size is at least 3 by 3 or larger, and there are tracks embedded within the membrane layers to separate each element of the array, the tracks also acting as heatsinks and/or cold junction regions.

Abstract: We disclose an array of Infra-Red (IR) detectors comprising at least one dielectric membrane formed on a semiconductor substrate comprising an etched portion; at least two IR detectors, and at least one patterned layer formed within or on one or both sides of the said dielectric membrane for controlling the IR absorption of at least one of the IR detectors. The patterned layer comprises laterally spaced structures.

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).

Abstract: A vibration damping system by means of a hydraulic actuation system, in particular for rolling mills, comprising at least one hydraulic actuator (1) having a movable part (11) and a corresponding hydraulic feeding circuit (2), and hydraulic damping means (3) for a vibrating force acting on the movable part (11) of the hydraulic actuator (1); the damping means (3) being connected to the hydraulic circuit (2) to actuate a damping of the vibrating force, wherein that the damping means (3) comprise a double chamber cylinder (31) having a first chamber (34) hydraulically connected to the hydraulic circuit (2), and a movable part (35) connected to an electric damping part (32), with the first chamber (34) hydraulically connected to and communicating with the second chamber (33) of the double chamber cylinder (31) by means of a calibrated pipe (36).

Abstract: A control device (1) for an oscillating table (6), comprising:—a closed and pressurized hydraulic circuit (20),—a hydraulic actuator (21) connected to said hydraulic circuit (20) and adapted to be connected to the mobile part of the oscillating table (6) to adjust the position thereof, in which said hydraulic actuator (21) is a double-acting cylinder having a first chamber (21a) and a second chamber (21b) delimited from each other by a sliding piston (22) rigidly connected to a first rod (31a) which is rigidly restrainable to said mobile part, in which said hydraulic circuit (20) comprises at least one reversible hydraulic pump (9) directly connected to at least one of said first chamber (21a) and second chamber (21b).

Abstract: The active vibration damping system of a rolling mill comprises a rolling stand and an adjustment system for the bending of the rolling rolls (1, 1?) having hydraulic actuators (2\ 2?, 2??, 2iv) acting on the chock (20) of the rolling rolls (1, 1?) and hydraulic feeding circuits (7, 9, 11, 12) and injectors (8?, 8?, 8??, 8iv), preferably piezoelectric injectors, directly inserted into the chambers (6\ 6?, 6??, 6iv) of the hydraulic actuators (2?, 2?, 2??, 2iv) with the advantage of exploiting the dampening effect resulting from the high- pressure oil injection.

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: Crystallizer for continuous casting comprising a tubular body having at least one wall which defines a through longitudinal casting cavity and a plurality of longitudinal grooves made at least on one part of the wall and open toward the outside thereof. A covering binding is associated to the external surface of the wall to close the longitudinal groves and thus obtain corresponding cooling channels configured to make a cooling liquid flow inside them.

Abstract: A coil laying head comprising a rotor (14) having two or more conduits (1?), a selector tube (5) coaxially arranged with respect to the rotor (14) to guide a rolled product into one of the conduits (1?), a main control, connecting means between the main control and the rotor (14) for setting in rotation the rotor (14), a phase shifter system ((6,7,8,8?,9,10,11), including two nonmoving components ((10,),(11,)), an input component (7) connected to the main control, an output component (6) connected to the selector tube (5), a first group of side pinions (8?) meshed on the input component and on one of the nonmoving components and a second group of side pinions (8) meshing on the output component and on the other nonmoving components, connection means (9) connecting the first group of side pinions with the second group of side pinions to drive this latter in rotation according to the axis (X), angular phase shift adjustment device (12,) between the first and the second nonmoving component.

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: An infra-red (IR) device comprising a dielectric membrane formed on a silicon substrate comprising an etched portion; and at least one patterned layer formed within or on the dielectric membrane for controlling IR emission or IR absorption of the IR device, wherein the at least one patterned layer comprises laterally spaced structures.

Abstract: The present application relates to a vibration damping system for a rolling mill comprising a rolling cage and a bending adjustment system (3,3?) of the rollers comprising hydraulic actuators acting on the rollers and hydraulic circuits (18, 19) for feeding, and hydraulic damping means (25, 31, 32) of a force connected to the hydraulic circuits (18, 19) for actuating a damping effect by means of the hydraulic actuators. The hydraulic damping means comprises a pair of hydraulic pumps (25B, 25C) or a pair of hydraulic cylinders with a dual chamber, connected in an opposite direction to each other to the hydraulic circuits (18, 19).

Abstract: A conveying device (4) for conveying rolled bar segments, continuously exiting from a cutting shear (3), comprising at least two conveying channels (10, 11) for conveying the bar segments; at least one separation wall (8) for separating a first conveying channel (10) from a second conveying channel (11); and at least one fixed partition (9), provided below said wall (8) and which separates said first channel (10) from said second channel (11); wherein said fixed partition (9) is configured so that, at speed, when a rolled bar is deviated to pass from a direction towards the first channel to a direction towards the second channel, the tail of a first bar segment (30) advances in the first channel (10) by passing below said fixed partition (9), while the head of a second bar segment (31) after the first segment (30) advances in the second channel by passing above said fixed partition.

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 control device (1) for a stopper (3) comprises:—an outer casing (10),—a control rod (6) sliding through the casing (10), rigidly attachable to the stopper (3),—a hydraulic circuit (20) including a double-acting hydraulic cylinder (21) and a reversible hydraulic pump (9), the hydraulic cylinder (21) having a first and a second chamber (21a, b) between which a piston (22) slides, the hydraulic pump (9) being connected directly to the first and second chamber (21a, b) by means of a first branch and a second branch (20a, b) of said hydraulic circuit (20, respectively, the piston being rigidly attached to the control rod (6), the hydraulic circuit (20) being entirely housed in the outer casing (10),—a control circuit (30) connected to the hydraulic circuit (20) to control the position of the piston (22).

Abstract: Vibration device for a conveying apparatus (21) to convey a metal charge in a longitudinal direction (X) comprising at least two vibration mechanisms (25, 26) each disposed on opposite sides of the conveying apparatus (21) so as to feed the metal charge. The vibration mechanisms (25, 26) comprise at least a first plurality of eccentric masses (31, 32, 33) having their mass barycenters (B) oriented in parallel directions to each other, and a second plurality of eccentric masses (34, 35) having their mass barycenters (B) disposed angularly offset with respect to the disposition of the barycenters of the first plurality of eccentric masses (31, 32, 33).

Abstract: A vibration damping system by means of a hydraulic actuation system, in particular for rolling mills, comprising at least one hydraulic actuator (1) having a movable part (11) and a corresponding hydraulic feeding circuit (2), and hydraulic damping means (3) for a vibrating force acting on the movable part (11) of the hydraulic actuator (1); the damping means (3) being connected to the hydraulic circuit (2) to actuate a damping of the vibrating force, wherein that the damping means (3) comprise a double chamber cylinder (31) having a first chamber (34) hydraulically connected to the hydraulic circuit (2), and a movable part (35) connected to an electric damping part (32), with the first chamber (34) hydraulically connected to and communicating with the second chamber (33) of the double chamber cylinder (31) by means of a calibrated pipe (36).