Abstract: Plant (2) for the production of slabs made of composite stone material from a mix (M) containing granules of stone or ceramic or glass material and a binder, comprising at least one temporary support or mould (S), a distributor for the mix (M) designed to distribute a layer of mix (M) on the temporary support or mould (S), a station (4) for performing compaction by means of vacuum vibro-compression of the mix (M) arranged on the temporary support or mould (S) and a station for hardening the mix (M) so as to form the finished slabs. The plant (2) comprises a device (1) positioned downstream of the distributor and upstream of the compaction station (4) and comprising means (16) which act on the top surface of the mix (M) for pre-compaction and levelling of the mix (M) arranged on the temporary support or mould (S). The invention also relates to a method for the production of slabs of composite stone material from a mix (M).

Abstract: Moulding tray (1) for manufacturing slabs of agglomerate material from a mix, comprising a base portion (2) and a rim portion (4) designed to define a cavity (6) for containing the mix. The rim portion (4) is made of elastomeric material and the base portion (2) comprises at least one surface layer (8A) made of elastomeric material and at least one fabric layer (10A). The elastomeric material of the rim portion (4) and the elastomeric material of the at least one layer (8A) of the base portion (2) comprise a filler containing silicon (Si), preferably silica. The invention also relates to a method for realizing the moulding tray (1) and a method for manufacturing slabs of agglomerate material which uses such a moulding tray (1).

Abstract: Working unit (1) for realizing holes (H) in a slab material (L) and for machining the inner side of the holes (H) thus formed, comprising a work table (2), at least one tool (4, 6) mounted on a motorized spindle, fixed means (8) for supporting the slab (L) and at least one support device (10) comprising a hollow element (11) intended to engage with a slab portion (P). The support device (10) comprises a top portion (12) movable at least between a raised position in which the slab portion (P) is coplanar with the slab (L) and a lowered position in which the slab portion (P) is lowered with respect to the slab (L) and therefore the hole (H) is free of the slab portion (P). The support device (10) comprises means (14) for locking the movable top portion (12) at least in the lowered position.

Abstract: Machine (1) for processing slabs (L) comprising a device (14) for transporting the slabs (L) between two zones, at least one of which is a machining zone along a feeding direction (X), means (16, 17) for supporting and clamping the slabs during machining, said means being designed to clamp the slabs (L) in a machining position, at least one tool (4) for machining the slabs which is mounted on a spindle, the at least one tool (4) being operative in the machining zone. The machine (1) comprises means (50) for moving the transporting device (14), configured to move the transporting device (14) from a working position corresponding substantially to the position for machining the slabs (L) into a position spaced at least vertically from the working position, and vice versa; the transporting device (14) is a conveyor belt.

Abstract: Plant (2) for the production of slabs made of composite stone material from a mix (M) containing granules of stone or ceramic or glass material and a binder, comprising at least one temporary support or mould (S), a distributor for the mix (M) designed to distribute a layer of mix (M) on the temporary support or mould (S), a station (4) for performing compaction by means of vacuum vibro-compression of the mix (M) arranged on the temporary support or mould (S) and a station for hardening the mix (M) so as to form the finished slabs. The plant (2) comprises a device (1) positioned downstream of the distributor and upstream of the compaction station (4) and comprising means (16) which act on the top surface of the mix (M) for pre-compaction and levelling of the mix (M) arranged on the temporary support or mould (S). The invention also relates to a method for the production of slabs of composite stone material from a mix (M).

Abstract: An apparatus for cutting slab material comprising a working table to support the slabs to be cut during working; a working unit comprising disk cutting means and water-jet cutting means; and a unit for moving the working unit above the working table. The movement unit comprises a horizontal translation unit to move the working unit along two directions parallel to the working table and perpendicular to each other; a vertical translation unit to move the working unit along a direction perpendicular to the working table; a first rotation unit to rotate the working unit about a first axis, vertical and substantially perpendicular to the working table; and a second rotation unit to rotate the working unit about a second axis, inclined with respect to the first axis. Said disk cutting means and water-jet cutting means are integral and therefore the second rotation unit rotates simultaneously with the said cutting means.

Abstract: A combined cutting and bevelling machine (10) for slabs of stone or stone-like material comprises a workpiece support bench (30) and a work unit (16) provided with a cutting unit (50) and a bevelling unit (40), wherein the cutting unit (50) comprises a cutting spindle (51) and the bevelling unit (40) comprises a bevelling spindle (41).

Abstract: A machine (12) for cutting slabs of stone or stone-like material comprises a work bench (13), two lateral support structures (14, 16) between which a beam (18) runs. On the beam (18) there is arranged a first machining unit (20) comprising: a carriage (22) adapted to slide along the beam (18); a sleeve (24) adapted to slide with respect to the carriage (22) in the vertical direction; a machining head (26), connected to the end of the sleeve (24) and adapted to rotate relative to the sleeve (24) about a vertical axis (28). The machining head (26) comprises a spindle (30) on which a cutting disc (32) is mounted. Manipulator means (34) for slabs or portions thereof, engaged with the head or the sleeve, are also provided. The machine comprises a second machining unit (36) mounted slidably on the said beam (18) and comprising at least one second machining head (38) with fixed orientation, adapted to be moved in the vertical direction and comprising a spindle (42, 44) on which a cutting disk (46, 48) is mounted.

Abstract: A machine (12) for working slabs of natural stone, agglomerate or ceramic material comprises: a work bench (14) adapted to receive a slab to be machined; a machining head (16) comprising a spindle (18); and movement means (20) for moving the machining head (16) above the work bench (14). The spindle (18) comprises coupling means (40) which allow a diamond chain tool (42) to be operatively fixed.

Abstract: An apparatus for cutting slab material comprising a working table to support the slabs to be cut during working; a working unit comprising disk cutting means and water-jet cutting means; and a unit for moving the working unit above the working table. The movement unit comprises a horizontal translation unit to move the working unit along two directions parallel to the working table and perpendicular to each other; a vertical translation unit to move the working unit along a direction perpendicular to the working table; a first rotation unit to rotate the working unit about a first axis, vertical and substantially perpendicular to the working table; and a second rotation unit to rotate the working unit about a second axis, inclined with respect to the first axis. Said disk cutting means and water-jet cutting means are integral and therefore the second rotation unit rotates simultaneously with the said cutting means.

Abstract: An apparatus for moving rigid slabs comprising a first carriage provided with pick-up means suitable for moving a slab. The first carriage is arranged on a supporting assembly so as to be movable in a transverse direction above a working area via first drive means or driver. The pick-up means are designed to move in a vertical direction towards or away from the working area. The apparatus is characterized in that it includes a second carriage including a support surface for slabs. The second carriage is arranged on the supporting assembly so as to be movable in a transverse direction above the working area via second drive means or driver. The first carriage is designed to move in the transverse direction independently of the second carriage. The first carriage is designed to position slabs on the second carriage and pick up slabs from the second carriage.

Abstract: An apparatus for cutting slab material comprising a working table to support the slabs to be cut during working; a working unit comprising disk cutting means and water-jet cutting means; and a unit for moving the working unit above the working table. The movement unit comprises a horizontal translation unit to move the working unit along two directions parallel to the working table and perpendicular to each other; a vertical translation unit to move the working unit along a direction perpendicular to the working table; a first rotation unit to rotate the working unit about a first axis, vertical and substantially perpendicular to the working table; and a second rotation unit to rotate the working unit about a second axis, inclined with respect to the first axis. Said disk cutting means and water-jet cutting means are integral and therefore the second rotation unit rotates simultaneously with the said cutting means.

Abstract: A machine (12) for working slabs of natural stone, agglomerate or ceramic material comprises: a work bench (14) adapted to receive a slab to be machined; a machining head (16) comprising a spindle (18); and movement means (20) for moving the machining head (16) above the work bench (14). The spindle (18) comprises coupling means (40) which allow a diamond chain tool (42) to be operatively fixed.

Abstract: A machine (10) for machining materials in slab form (14) comprises a working surface (13), a cutting spindle (12) on which a cutting disc (22) is mounted, motor means (11) for moving the cutting spindle on the working surface, controlled by an electronic control system (23). The cutting spindle (12) is rotatable about an axis (21) so as to move upon command between a first position in which the cutting disc (22) is perpendicular to the working surface, and a second position in which the cutting disc (22) is parallel to the working surface. The cutting spindle (12) has a protection device (26) which covers at least partially the cutting disc and which comprises a pick-up element (27) with a surface (28) provided with sucker means (29) able to cause said device (26) to adhere and be fixed to the materials being machined on the working surface when the cutting spindle (12) is in the second position, so that the material can be moved on the working surface by moving the cutting spindle (12).

Abstract: An apparatus (14) for moving rigid slabs comprising a first carriage (14) provided with pickup means (16) suitable for moving a slab. The first carriage (14) is arranged on a supporting assembly (18) so as to be movable in a transverse direction above a working area (20) via first drive means (22). The pick-up means (16) are designed to move in a vertical direction towards or away from the working area (20). The apparatus (12) is characterized in that it comprises a second carriage (24) comprising a support surface (26) for slabs. The second carriage (14) is arranged on the supporting assembly (18) so as to be movable in a transverse direction above the working area (20) via second drive means (28). The first carriage (14) is designed to move in the transverse direction independently of the second carriage (24). The first carriage (14) is designed to position slabs on the second carriage (24) and pick up slabs from the second carriage (24).

Abstract: An apparatus (12) for calibrating slabs of agglomerated or natural stone material comprises at least one calibrating unit (15) provided with a calibrating head which is rotatable about a first rotational axis (16) perpendicular to a working surface (18). The calibrating head (14) comprises calibrating roller tools (24) with rotational axes (28) which are radially arranged around the said first axis (16) for working a slab arranged on said working surface and sliding with a relative movement under the head. Each tool (24) is mounted on a spindle unit comprising in combination: a spindle body passed through by a spindle shaft (30) for rotation of the tool (24) about its rotational axis (28); a motor unit (36) with a motor output shaft (42) having its own rotational axis (43), and a kinematic transmission (48) connected between the motor output shaft (42) and spindle shaft (30) for motorized rotation of the tool.

Abstract: An apparatus for cutting slab material comprising a working table to support the slabs to be cut during working: a working unit comprising disk cutting means and water-jet cutting means; and a unit for moving the working unit above the working table. The movement unit comprises a horizontal translation unit to move the working unit along two directions parallel to the working table and perpendicular to each other a vertical translation unit to move the working unit along a direction perpendicular to the working table; a first rotation unit to rotate the working unit about a first axis, vertical and substantially perpendicular to the working table; and a second rotation unit to rotate the working unit about a second axis, inclined with respect to the first axis. Said disk cutting means and water-jet cutting means are integral and therefore the second rotation unit rotates simultaneously with the said cutting means.

Abstract: An apparatus for machining an article (L) in the form of a slab or the like comprises—in addition to a rotary tool (24) associated with a spindle (22)—a nozzle (26) ejecting water at very high pressure. Both the rotary tool and the nozzle are supported by a carriage (20) sliding along a beam (18) in turn sliding along two shoulders (14) in a perpendicular direction. In the working area (12) and above a tank (30) normally filled with water, the article (L) is supported in a horizontal position not only by an interchangeable grid (32; 52), but preferably also by a disposable support (34) which prevent the rotary tool (24) from coming into contact with the grid. The disposable support is periodically replaced.

Abstract: A loose mixture formed of one or more solid inert materials and a hardenable resin dissolved in an organic solvent, in particular the remainder of the initial mix used for the manufacture of conglomerate stone sheets, is rendered inert by means of dielectric heating at a frequency of less than 300 MHz. A plant for implements a method where a loose mixture is formed of one or more solid inert materials and a hardenable resin dissolved in an organic solvent, in particular the remainder of the initial mix used for the manufacture of conglomerate stone sheets, is rendered inert by means of dielectric heating at a frequency of less than 300 MHz.

Abstract: An apparatus for machining an article (L) in the form of a slab or the like comprises—in addition to a rotary tool (24) associated with a spindle (22)—a nozzle (26) ejecting water at very high pressure. Both the rotary tool and the nozzle are supported by a carriage (20) sliding along a beam (18) in turn sliding along two shoulders (14) in a perpendicular direction. In the working area (12) and above a tank (30) normally filled with water, the article (L) is supported in a horizontal position not only by an interchangeable grid (32; 52), but preferably also by a disposable support (34) which prevent the rotary tool (24) from coming into contact with the grid. The disposable support is periodically replaced.