Abstract: A machine for the multiple cutting-off of rolls of kitchen and/or toilet paper from logs which comprises a bed (18) onto which at least two logs (15) are fed through a respective conveyor with thrusters (12) towards a cutting head (20), wherein the conveyor with thrusters (12) passes below the cutting head (20) which comprises a cutting device using high-pressure water (21, 22, 23) which acts transversally on at least two logs (15) separating an equal number of finished rolls (10) of a predetermined length.

Abstract: A re-reeling device for forming a roll of paper in a re-reeling machine comprising, on a frame, three rollers (16, 17, 18) having mutually parallel axes that are perpendicular to the direction of feed of the paper (11), in which two winding rollers, a bottom one (17) and a top one (16), supported on the frame, co-operate with a third roller (18) that maintains a certain pressure on a roll of paper or log being formed, where the third roller (18) is carried by a pair of arms (22) which can oscillate with respect to the frame, the paper (11) that is being wound passing on one of the two rollers, and the finished roll or log (19) coming out of an outlet aperture or gap (30) identified between the bottom roller and the third roller, the cores (12) for said rolls being fed, one after another, by a pusher (15) and being introduced into a calibrated channel (24) made underneath the top roller (16).

Abstract: An apparatus for applying glue to a tubular core in a re-reeling device for winding logs of material in strips in which a conveyor feeds cores, one after another and distanced form on another, in succession, and at controlled speeds, through an arrangement of two rollers rotating at the same speeds and in synchronization with the controlled linear speed of the conveyor. The first rotating roller, is at least partly immersed in a tank of glue, with at least one portion of a generatrix of the first roller coming into contact with the core fed by the conveyor, and the second roller is positioned opposite the first roller and interacts with the core so that the core is fed through without unintended rotation and the glue is applied in a controlled fashion.

Abstract: Gluing unit of a tail end of a log fitted in a load-bearing structure (12) of a machine to produce logs, in which the structure (12) comprises an inclined surface (13) for feeding logs (14) and in which fitted at the end of the inclined surface (13) is a rotating selector (15), equipped with a series of pockets (15a), to receive individual logs (14) and feed these towards an actual gluing unit (11). This gluing unit (11) comprises in succession a lower unwinding roller (16) and an upper conveyor belt (17) and, moreover, immediately downstream of the unwinding roller (16) a feed roller (18) followed by a suction roller (19), connected to a vacuum source, and a glue dispensing device (20), and also provided above the unwinding roller (16) and feed roller (18) with a blowing component (27) to blow a final end (21) of the log (14) and a photocell (28) which interacts to detect the final end (21) of the log (14).

Abstract: A multi-purpose embossing machine (11) for producing embossed paper comprises a bottom body (12), which supports a first embossing assembly (3,4) that works associated to a second embossing assembly (36). The machine 11 has a top body (18) which supports the second embossing assembly (36) in a position corresponding to the first embossing assembly (34), said top body (18) being connected to the bottom body (12) via a supporting and actuating element (52, 54) designed to support at least part of the weight of the top body (18) during operation of the embossing machine (11) and to enable the bottom body (12) and the top body (18) to be moved apart from one another in a situation of danger. Also provided is a resting element (26) set between the top body (18) and the bottom body (12).

Abstract: A device for joining the trailing edge of a reel of paper about to finish to the leading edge of a new reel comprising, on a supporting structure (11), a support (12) for the reel as it unwinds (13), a device (15) for transferring the reel (13) to a unit for tensioning the trailing edge (17) of the reel (13′) about to finish, a cutting unit (32) of the trailing edge (17), at least one roller (43) that presses the trailing edge (17) on the new reel (13) once it has been positioned on the support (12) and provided with a double-sided tape (48) positioned crosswise on a lateral surface of the same in order to retain its leading edge (49).

Abstract: A device for distributing glue on an end edge of a log, a log or a core for a log, comprising a feeder (26) of logs (19, 19′) or cores (25) towards a glue dispensing unit, in which the glue dispensing unit comprises a tank (15) containing glue (20) in which is placed a thread (12) wound in a loop on at least two end pulleys (13), at least one of which is commanded in continuous rotation by a gear motor (14), the thread (12) having a lower branch which lifts the glue and an upper branch which releases the glue on an end edge (18, 18′) of a log (19, 19′), a log (19, 19′) or a core (25) for a log.

Abstract: A device (11) for introducing a winding core (32) into a re-reeling machine, where the re-reeling machine comprises a winding assembly (14) for winding a ribbon of paper around the cores (32) and a feeder (34a, 34b) for feeding the cores (32) to the device (11). The device (11) for introducing a core (32) further comprises two guides (22) connected to a frame (20) of the machine, on each of which at least one carriage (24) can slide. Fixed to these two carriages (24) is a bar (26) which carries supports (28) for supporting the cores (32) in such a way that the feeders (34a, 34b) can supply the same cores (32) to the supports (28), which introduce them into the winding assembly (14).

Abstract: A device for the elimination of trimmings of rolls or logs of ribbon-like material that can be connected below a cropper machine of at least one roll or log, in turn fed by a feed surface (11) of rolls (12) and top and/or tail crop ends (21), one after another, comprising, below of the feed surface (11), at least one conveyor element (16) closed in a ring which moves around a pulley (14) and which receives the rolls (12) and top and/or tail crop ends (21) on an upper section, the conveyor element (16) having an opening (17) with a dimension at least equivalent to the diameter of a log, inside which the top and/or tail crop ends (21) fall, the opening (17) being positioned as the conveyor element (16) rotates at the beginning of the upper section when the top and/or tail crop ends (21) reach this point.

Abstract: A device for re-reeling and forming a roll of paper in a re-reeling machine comprising, on a frame, three rollers (16, 17, 18) having mutually parallel axes that are perpendicular to the direction of feed of the paper (11), in which two winding rollers, a bottom one (17) and a top one (16), supported on the frame, co-operate with a third roller (18) that maintains a certain pressure on a roll of paper or log being formed, where the third roller (18) is carried by a pair of arms (22) which can oscillate with respect to the frame, the paper (11) that is being wound passing over one of the two rollers, and the finished roll or log (19) coming out of an outlet aperture or gap (30) identified between the bottom roller and the third roller, and the cores (12) for said rolls being fed, one after another, by a pusher conveyor (15) and being introduced into a channel (24) made underneath the top roller (16) by an oscillating pusher (27, 35) which co-operates for inserting the core (12), possibly provided with adhesive

Abstract: An apparatus for applying glue to a tubular core to fit into a re-reeling device for winding logs of material in strips, in which a conveyor (12, 13) feeds cores (11), one after another and distanced from one another, in succession, towards a means (21, 15) to apply glue (19) to each of said cores (11), characterized in that said means to apply glue comprises a first rotating roller (14), at least partly immersed in a tank (15) of glue (19), with at least one portion of a generatrix of said first roller (14) coming into contact with the core (11) fed by said conveyor (12, 13), and a second roller (16), positioned opposite the first roller (14) and also rotating, interacting with said core (11) to promote feed synchronized with the feed of said conveyor (12, 13).

Abstract: A re-reeling device for forming a roll of paper in a re-reeling machine comprising, on a frame, three rollers (16, 17, 18) having mutually parallel axes that are perpendicular to the direction of feed of the paper (11), in which two winding rollers, a bottom one (17) and a top one (16), supported on the frame, co-operate with a third roller (18) that maintains a certain pressure on a roll of paper or log being formed, where the third roller (18) is carried by a pair of arms (22) which can oscillate with respect to the frame, the paper (11) that is being wound passing on one of the two rollers, and the finished roll or log (19) coming out of an outlet aperture or gap (30) identified between the bottom roller and the third roller, the cores (12) for said rolls being fed, one after another, by a pusher (15) and being introduced into a calibrated channel (24) made underneath the top roller (16).

Abstract: A device for controlling winding of a roll of paper or “log” in a re-reeling machine comprising, on a roll stand or frame (20), a set of three rollers arranged with their axes parallel to one another and perpendicular to the direction of feed of the paper, comprising two winding rollers (15, 16), a top one (15) and a bottom one (16), designed to co-operate with a third roller (17) which exerts a certain pressure on a roll of paper or log being formed, the first two rollers (15, 16) being supported on the frame (20), and the third roller (17) being carried by a pair of arms (21) that are free to oscillate with respect to the frame (20), the paper being wound passing over one of the two rollers (15, 16), and the finished roll (14) coming out of an output gap (43) identified between the bottom roller (15) and the third roller (17), in which the third roller (17) and the pair of arms (21) are set on a moving element (24) displaceable according to a direction (28) oscillating within an angle (&agr;) wi

Abstract: A device for the selection and elimination of crop ends of rolls of kitchen towel and/or toilet paper, in which the device is supplied by at least one row of finished rolls (12) and by top and tail crop ends (13) cut in sequence from at least one log, and including a structure (14) supporting an upper belt unit (16) and a lower belt unit (15a, 15b), facing each other to receive the rolls (12) and crop ends (13), the lower belt unit (15a, 15b) having a first, belt subunit (15a) and a second belt subunit (15b) separated by an opening (26), upstream the first belt subunit (15a) with a fixed lower surface (32) underneath the upper belt unit (16) to turnover the crop ends (13) and with a contact means (33, 35) being provided a the entrance of opening (26), on the turned crop ends to rotate them into the opening (26), letting the cut and finished rolls (12) pass by.

Abstract: Gluing unit of a tail end of a log fitted in a load-bearing structure (12) of a machine to produce logs, in which the structure (12) comprises an inclined surface (13) for feeding logs (14) and in which fitted at the end of the inclined surface (13) is a rotating selector (15), equipped with a series of pockets (15a), to receive individual logs (14) and feed these towards an actual gluing unit (11). This gluing unit (11) comprises in succession a lower unwinding roller (16) and an upper conveyor belt (17) and, moreover, immediately downstream of the unwinding roller (16) a feed roller (18) followed by a suction roller (19), connected to a vacuum source, and a glue dispensing device (20), and also provided above the unwinding roller (16) and feed roller (18) with a blowing component (27) to blow a final end (21) of the log (14) and a photocell (28) which interacts to detect the final end (21) of the log (14).

Abstract: A sharpening unit with disc wear recovery for stick or log cutting machine in which the cutting machine is provided with at least one cutting head (15) bearing a motorized cutting disc (12) which cuts transversally into rolls the sticks or logs (13) positioned on a feed surface (14), the head (15) being fitted on a rotating arm (20) with respect to a central shaft (17) positioned on a cross member (16) which can be moved up and/or down with respect to the feed surface (14), where the unit is also arranged coaxial to the central shaft (17) and comprises a first lever (37), hinged to the central shaft (17) and mounted on a secondary shaft (38) coaxial with it, connected by means of an articulated joint (32) to a trolley (31) sliding with respect to a second lever (28) which rotates around a rotation axis (27) of the cutting disc (12), the trolley (31) bearing at least one grinding wheel (33) to sharpen the cutting disc (12), the central shaft (17) and the secondary shaft (38) being connected by synchronized mov

Abstract: A device for distributing glue on an end edge of a log, a log or a core for a log, comprising a feeder (26) of logs (19, 19′) or cores (25) towards a glue dispensing unit, in which the glue dispensing unit comprises a tank (15) containing glue (20) in which is placed a thread (12) wound in a loop on at least two end pulleys (13), at least one of which is commanded in continuous rotation by a gear motor (14), the thread (12) having a lower branch which lifts the glue and an upper branch which releases the glue on an end edge (18, 18′) of a log (19, 19′), a log (19, 19′) or a core (25) for a log.

Abstract: A device for joining the trailing edge of a reel of paper about to finish to the leading edge of a new reel comprising, on a supporting structure (11), a support (12) for the reel as it unwinds (13), a device (15) for transferring the reel (13) to a unit for tensioning the trailing edge (17) of the reel (13′) about to finish, a cutting unit (32) of the trailing edge (17), at least one roller (43) that presses the trailing edge (17) on the new reel (13) once it has been positioned on the support (12) and provided with a double-sided tape (48) positioned crosswise on a lateral surface of the same in order to retain its leading edge (49).

Abstract: A cutting head for several rolls of kitchen towel and/or toilet paper, which may be positioned on a cutting machine (11) on which at least two rolls or logs (12) are supplied step by step by a pusher conveyor, the head (17) bearing a motorized cutting disc (20) which cuts the rolls (12) crosswise, set on a surface of the conveyor (14), the rolls (12) being guided in grooves (13), in which the head (17) includes a rotary arm in relation to a supporting structure (21), which, in turn, bears a rotary shaft (47) for at least one cutting disc (20), the rotary shaft (47) of at least one cutting disc (20), being motorized (in 38, 32) with the interposition of a transmission shaft (50) or a reduction gear with differential function (48) and being eccentrically movable in relation to a drive shaft (32) during the cutting operation according to a chosen logic, the drive shaft (32) transmitting the rotation to the cutting disc (20) and being parallel to a rotation central shaft (22) of the rotary arm (26).

Abstract: A multiple cutting machine for rolls of kitchen paper and/or toilet paper comprising a base (20) onto which are fed at least two rolls or logs (15) by means of a respective conveyor with pushers (12) towards a head (21) bearing a cutting disk (32) which is motor-driven (in 33), characterized in that said conveyor with pushers (12) is driven by a stepper motor (19) in steps equivalent to a predetermined length of finished rolls (34), that said head comprises an upper portal structure (21) which may be lifted and/or lowered with respect to the lower structure (20) and supports at least one trolley (30) which moves along a closed loop path, runs on guides (29) and transports said cutting disk (32), continuously activated, to bring said cutting disk (32) from a position of release from said at least two logs (15) to a cutting position engaged on them following a direction essentially parallel to said lower structure (20).