Abstract: Roller unit for laying cables (11, 12, 13) that comprises a frame (23, 23?) where at least one pair of sliders (25, 25?) are positioned aligned parallel to a laying direction (S1, S2) of the cables (11, 12, 13) and each provided with at least one pair of wheels (28, 28a, 28b) to support a cable (11, 12, 13) to be laid; the sliders (25, 25?) are hinged to the frame (23, 25?) and rotatable around respective axes of rotation (A, A?) in order to vary the inclination thereof with respect to the frame (23, 23?) and therefore to vary the radius of curvature (R, R1, R2, R3) of the supported cable (11, 12, 13); at least one of the sliders (25, 25?) comprises an oscillation limiting tooth (30, 30?) provided in at least one portion (32, 32?) of the slider (25, 25?) protruding from the frame (23, 23?) and configured to abut against a lateral wall (31, 31) of the frame (23, 23?) when the slider (25, 25?), rotating around the respective axis of rotation (A, A?), exceeds a certain inclination, so as to prevent an excessive

Abstract: Roller unit for laying cables (11, 12, 13), comprising a frame (23, 23?) where at least one pair of sliders (25, 25?) are positioned aligned parallel to a laying direction (S1, S2) of the cables (11, 12, 13) and each provided with at least one pair of wheels (28, 28a, 28b) supporting a cable (11, 12, 13) to be laid; said sliders (25, 25?) are hinged to said frame (23, 23?) and rotatable around respective axes of rotation (A, A?) so as to vary the inclination thereof with respect to said frame (23, 23?) and therefore to vary the radius of curvature of the cable (11, 12, 13) supported; said wheels (28, 28a, 28b) are provided with an annular groove (32) to support the cables, delimited by containing wings (33) and able to define a contact and sliding surface of at least one of said cables (11, 12, 13), wherein at least said annular support groove (32) is made of or covered by a technoplastic material with polyamide (PA) base reinforced with glass fiber, if the supported cable is a conductor (11, 13), or by means

Abstract: Connection joint for cables for a cable stringing plant, comprising at least one first tubular element (18) to which a first segment (22) of a flexible member (19) is attached and positioned rotatable, at least with respect to a longitudinal axis (L) of the joint, inside a second tubular element (23) open at a first end and closed at the other end by a bottom wall (25); the bottom wall (25) comprises at least one hole (26) from which a second segment (27) of the flexible member (19) emerges; the second segment (27) is attached to a portion (32) of a third tubular element (31); the second and third tubular elements (23, 31) are provided on opposite ends with a corresponding hole (29, 35) directed substantially in a longitudinal direction and able to house a respective segment of cable (11a, 11b) to be laid.

Abstract: A cable recovery machine, having at least one traction module configured to hold and draw at least one cable, in particular of a cable laying plant, and at least one cutting module located downstream of the traction module and able to receive the cable that is introduced into the cutting module in a direction of feed (X1); the cutting module having at least one cutting unit provided with at least one cutting blade and integral with a shaft made to rotate by corresponding drive means, so that by rotating the shaft, the cutting unit is made to rotate and cuts the cable when the latter enters the cutting module in the direction of feed (X1).

Abstract: Machine to recover a cable, comprising at least one hydraulic pump with variable cubic capacity, provided with a system to adjust the cubic capacity, driven by a servo controller, and at least one hydraulic motor fed by said hydraulic pump by means of at least one pipe to deliver a fluid and at least one pipe to return the fluid.

Abstract: Connection joint for cables for a cable stringing plant, comprising at least one first tubular element (18) to which a first segment (22) of a flexible member (19) is attached and positioned rotatable, at least with respect to a longitudinal axis (L) of the joint, inside a second tubular element (23) open at a first end and closed at the other end by a bottom wall (25); the bottom wall (25) comprises at least one hole (26) from which a second segment (27) of the flexible member (19) emerges; the second segment (27) is attached to a portion (32) of a third tubular element (31); the second and third tubular elements (23, 31) are provided on opposite ends with a corresponding hole (29, 35) directed substantially in a longitudinal direction and able to house a respective segment of cable (11a, 11b) to be laid.

Abstract: Safety glass and method for its obtainment is presented. The safety glass includes a single glass plate with at least one layer of Polyvinyl butyral (“PVB”) film applied without adhesive over the interior face of the glass plate and at least one layer of Crystallizable PolyEthylene Terephthalate (“C-PET”) film applied without adhesive over the at least one PVB film layer on the interior face of the glass plate. The safety film optionally includes a safety film layer for shatter-proofing applied over the exterior face of the single glass plate and/or over the at least one C-PET film layer on interior face of the single glass plate.

Abstract: Roller unit for laying cables (11, 12, 13), comprising a frame (23, 23?) where at least one pair of sliders (25, 25?) are positioned aligned parallel to a laying direction (S1, S2) of the cables (11, 12, 13) and each provided with at least one pair of wheels (28, 28a, 28b) supporting a cable (11, 12, 13) to be laid; said sliders (25, 25?) are hinged to said frame (23, 23?) and rotatable around respective axes of rotation (A, A?) so as to vary the inclination thereof with respect to said frame (23, 23?) and therefore to vary the radius of curvature of the cable (11, 12, 13) supported; said wheels (28, 28a, 28b) are provided with an annular groove (32) to support the cables, delimited by containing wings (33) and able to define a contact and sliding surface of at least one of said cables (11, 12, 13), wherein at least said annular support groove (32) is made of or covered by a technoplastic material with polyamide (PA) base reinforced with glass fiber, if the supported cable is a conductor (11, 13), or by means

Abstract: A hydraulic apparatus for stretching conductors for power lines comprising: a variable displacement hydraulic pump (10) that supplies by means of a hydraulic fluid a hydraulic motor (11) with a closed circuit connection; a displacement regulation system (15) of said hydraulic pump (10); a regulation system (20) of said hydraulic apparatus; characterised in that said regulation system (20) comprises: an inlet (21) that receives said hydraulic fluid that supplies said hydraulic motor (11); a first outlet (22) that supplies said displacement regulation system (15); a second discharge outlet (23); a flow limiter (30) connected to said inlet (21); a regulatable valve (31) connected to said flow limiter (30); a tap (36) connected between the outlet of said regulatable valve (31) and said first outlet (22); a measurement instrument (33) connected to the outlet of said regulatable valve (31), to measure the regulation pressure of said regulation system (20); a safety valve (34) connected to the outlet of said regulat

Abstract: Roller unit for laying cables (11, 12, 13) that comprises a frame (23, 23?) where at least one pair of sliders (25, 25?) are positioned aligned parallel to a laying direction (S1, S2) of the cables (11, 12, 13) and each provided with at least one pair of wheels (28, 28a, 28b) to support a cable (11, 12, 13) to be laid; the sliders (25, 25?) are hinged to the frame (23, 25?) and rotatable around respective axes of rotation (A, A?) in order to vary the inclination thereof with respect to the frame (23, 23?) and therefore to vary the radius of curvature (R, R1, R2, R3) of the supported cable (11, 12, 13); at least one of the sliders (25, 25?) comprises an oscillation limiting tooth (30, 30?) provided in at least one portion (32, 32?) of the slider (25, 25?) protruding from the frame (23, 23?) and configured to abut against a lateral wall (31, 31) of the frame (23, 23?) when the slider (25, 25?), rotating around the respective axis of rotation (A, A?), exceeds a certain inclination, so as to prevent an excessive

Abstract: A cable recovery machine, comprising at least one traction module configured to hold and draw at least one cable, in particular of a cable laying plant; the traction module comprises a frame on which one or more traction wheels and one or more idle wheels are positioned; between the traction wheels and the idle wheels a space is defined for the passage and traction of the cable to be recovered; the idle wheels are provided with a support connected in a mobile manner to the frame of the traction module and provided with actuators configured to press the idle wheels against the cable that passes between them and the traction wheels, so that the space between the idle wheels and the traction wheels can be automatically adjusted on the basis of the external diameter (D1, D2) or thickness of the cable drawn.

Abstract: A cable recovery machine, comprising at least one traction module configured to hold and draw at least one cable, in particular of a cable laying plant; the traction module comprises a frame on which one or more traction wheels and one or more idle wheels are positioned; between the traction wheels and the idle wheels a space is defined for the passage and traction of the cable to be recovered; the idle wheels are provided with a support connected in a mobile manner to the frame of the traction module and provided with actuators configured to press the idle wheels against the cable that passes between them and the traction wheels, so that the space between the idle wheels and the traction wheels can be automatically adjusted on the basis of the external diameter (D1, D2) or thickness of the cable drawn

Abstract: A cable recovery machine, comprising at least one traction module configured to hold and draw at least one cable, in particular of a cable laying plant, and at least one cutting module located downstream of the traction module and able to receive the cable that is introduced into the cutting module in a direction of feed (X1); the cutting module comprises at least one cutting unit provided with at least one cutting blade and integral with a shaft made to rotate by means of corresponding drive means, so that by rotating the shaft, the cutting unit is made to rotate and cuts the cable when the latter enters the cutting module in the direction of feed (X1).

Abstract: A hydraulic apparatus for stretching conductors for power lines comprising: a variable displacement hydraulic pump (10) that supplies by means of a hydraulic fluid a hydraulic motor (11) with a closed circuit connection; a displacement regulation system (15) of said hydraulic pump (10); a regulation system (20) of said hydraulic apparatus; characterised in that said regulation system (20) comprises: an inlet (21) that receives said hydraulic fluid that supplies said hydraulic motor (11); a first outlet (22) that supplies said displacement regulation system (15); a second discharge outlet (23); a flow limiter (30) connected to said inlet (21); a regulatable valve (31) connected to said flow limiter (30); a tap (36) connected between the outlet of said regulatable valve (31) and said first outlet (22); a measurement instrument (33) connected to the outlet of said regulatable valve (31), to measure the regulation pressure of said regulation system (20); a safety valve (34) connected to the outlet of said regulat

Abstract: A system for automatic positioning of a railway overhead line comprising: a mechanical arm (12); a first hooking device (31) that can be fixed to the end of the mechanical arm (12); a mast (40) for positioning an overhead line; a second fixed hooking device (41), which is fixed to the mast (40) and can be fixed to the first hooking device (31); the mast (40) comprising at least one horizontal arm (52), set on which is a set of rollers (53), with roller head, for correct positioning of an overhead line.

Abstract: A system for automatic positioning of a railway overhead line comprising: a mechanical arm (12); a first hooking device (31) that can be fixed to the end of said mechanical arm (12); a mast (40) for positioning an overhead line; a second fixed hooking device (41), which is fixed to said mast (40) and can be fixed to said first hooking device (31); said mast (40) comprising at least one horizontal arm (52), set on which is a set of rollers (53), with roller head, for correct positioning of an overhead line.

Abstract: Balancing and synchronizing device for a plant (10) comprising one or more brake machines (12) for laying cables (11), each of which comprises a plurality of unwinding members each provided with at least a pair of capstans (14). The device comprises a plurality of control units (22, 22a), configured to automatically adjust the unwinding tension of each individual cable (11), and user interface means (18), independently connected to each control unit (22, 22a), so as to set predetermined functional and operating parameters of each pair of capstans (14). Each control unit (22, 22a) is connected to detector elements (21) of a corresponding pair of capstans (14). The device comprises a data transmission and reception line (25) to which the control units (22, 22a) are connected for at least a part of the laying cycle.

Abstract: A reinforced safety glass and its manufacturing procedure are presented. The invention uses a vehicle's original glass, which is generally tempered, eliminating need for a new specific glass. The invention utilizes films of diverse reinforcing materials to increase the final resistance of the product and therefore reinforcing the original glass. During its manufacturing process, an autoclave is used for applying pressure and temperature to bond the reinforcing films to the original glass and between each other. The invention comprises the original glass to which at least one PU film and one C-PET film are orderly applied, ate least to the interior face of the glass.

Abstract: Safety glass and the method for its obtainment wherein said safety glass is used to provide higher safety to rooms surrounded at least partially by said glass. The glass is comprised of films of diverse reinforcing materials with special features to increase the resistance of the product as a whole and therefore reinforcing the original glass. In the method for its obtainment, pressure and temperature are applied with an autoclave in order to bind the reinforcing films to the original glass. At least one PVB film layer and one C-PET film layer are applied without adhesive to the interior and/or exterior face of the original glass to be reinforced.

Abstract: A method for stretching cables includes the steps of i) providing at least one first and one second stretching device; the first and second stretching device include at least one rotatable drum on which a cable can be wound or unwound; an electrical movement member associated to the drum for winding the cable; supply means connected to the movement member; a braking device associated to the drum and activatable for unwinding the cable; an energy recovery member associated to the drum and active simultaneously with the braking device for recovering energy during the unwinding of the cable; ii) activating the second stretching device for pulling the cable; iii) recovering energy from the first stretching device during the unwinding of the cable; and iv) transferring at least part of the recovered energy from the first stretching device to the second stretching device.