Abstract: The machine (1;100) comprises a winding station (3; 101), adapted to receive secondary winding cores (T) coaxial with, and adjacent to, one another. The machine further comprises a cutting device (11; 104) with a plurality of blades (13; 105), arranged upstream of the winding station (3; 101) with respect to the feeding direction of the web material (N) and adapted to slit the web material into a plurality of strips (S1-S5) of web material. An in-line measurement arrangement (81-87) is also provided for measuring the Poisson's ratio of the web material (N).

Abstract: The machine (1; 100) comprises a winding station (3; 101), adapted to receive secondary winding cores (T) coaxial with, and adjacent to, one another. A cutting device (11; 104) is also provided, with a plurality of blades (13; 105), arranged upstream of the winding station (3; 101) with respect to the feeding direction of the web material (N) and adapted to subdivide the web material into plurality of strips (S1-S5) of web material; The machine has a web material evaluation system and a programmable unit (71) for processing data collected by the web material evaluation system.

Abstract: The machine (1; 1OO) comprises a winding station (3; 101), adapted to receive secondary winding cores (T) coaxial with, and adjacent to, one another. The machine further comprises a cutting device (11; 104) with a plurality of blades (13; 105), arranged upstream of the winding station (3; 101) with respect to the feeding direction of the web material (N) and adapted to slit the web material into a plurality of strips (S1-S5) of web material. An in-line measurement arrangement (81-87) is also provided for measuring the Poisson's ratio of the web material (N).

Abstract: The machine (1) comprises: —an unwinding section (3) for unwinding parent reels (Ba, Bb) of web material (N; S); —at least one winding station (15) comprising a winding device (25) and further comprising: guide members for guiding the strip (S) of web material, configured to form at least a loop of web material between a guide roller (43) and a log (B); and a cutting device (61) for transversally cutting the strip (S) of web material in an intermediate position between the log (B) and the guide roller (43), thus generating a tail edge, remaining on the log (B) being formed, and a leading edge, remaining fastened to the guide roller (43).

Abstract: The machine (1) comprises: —an unwinding section (3) for unwinding parent reels (Ba, Bb) of web material (N; S); —at least one winding station (15) comprising a winding device (25) and further comprising: guide members for guiding the strip (S) of web material, configured to form at least a loop of web material between a guide roller (43) and a log (B); and a cutting device (61) for transversally cutting the strip (S) of web material in an intermediate position between the log (B) and the guide roller (43), thus generating a tail edge, remaining on the log (B) being formed, and a leading edge, remaining fastened to the guide roller (43).

Abstract: An unwinder of reels of web material wound around winding spindles (A), includes a unwinding station (13) with at least one unwinding member (23) to rotate a reel (B) that is located in the unwinding station and feed the web material toward a delivery path (E). Lifting members (51, 53) are provided to lift a spindle of a first exhausted reel from the unwinding station (13), in a removal position (PR). An insertion member (7; 33) is further provided to insert a second reel into the unwinding station (13). A pressing member (61) is arranged to press the web material coming from the first reel in removal position (PR) against the second reel in the unwinding station (13).

Abstract: An unwinder of reels of web material wound around winding spindles (A), includes a unwinding station (13) with at least one unwinding member (23) to rotate a reel (B) that is located in the unwinding station and feed the web material toward a delivery path (E). Lifting members (51, 53) are provided to lift a spindle of a first exhausted reel from the unwinding station (13), in a removal position (PR). An insertion member (7; 33) is further provided to insert a second reel into the unwinding station (13). A pressing member (61) is arranged to press the web material coming from the first reel in removal position (PR) against the second reel in the unwinding station (13).

Abstract: The unwinder of reels of web material wound around winding spindles (A), comprises a unwinding station (13) with at least one unwinding member (23) to rotate a reel (B) that is located in said unwinding station and feed the web material toward a delivery path (E). Lifting members (51, 53) are provided to lift a spindle of a first exhausted reel from the unwinding station (13), in a removal position (PR). An insertion member (7; 33) is further provided to insert a second reel into the unwinding station (13). A pressing member (61) is arranged to press the web material coming from the first reel in removal position (PR) against the second reel in the unwinding station (13).

Abstract: The unwinder of reels of web material wound around winding spindles (A), comprises a unwinding station (13) with at least one unwinding member (23) to rotate a reel (B) that is located in said unwinding station and feed the web material toward a delivery path (E). Lifting members (51, 53) are provided to lift a spindle of a first exhausted reel from the unwinding station (13), in a removal position (PR). An insertion member (7; 33) is further provided to insert a second reel into the unwinding station (13). A pressing member (61) is arranged to press the web material coming from the first reel in removal position (PR) against the second reel in the unwinding station (13).

Abstract: Disclosed is a system to be combined to one or more rewinding machines (1) for forming reels or logs of web material wound around winding mandrels. The system, whose function is to prepare the winding mandrels with the related winding cores positioned thereon, comprises in combination: a robot (5) for extracting winding mandrels (A) from formed reels (BB); a cutting unit (7) for cutting tubes (T) for forming tubular winding cores (AT) of settable axial length; an insertion unit (9), for introducing the winding mandrels into a set of tubular winding cores.

Abstract: Disclosed is a system to be combined to one or more rewinding machines (1) for forming reels or logs of web material wound around winding mandrels. The system, whose function is to prepare the winding mandrels with the related winding cores positioned thereon, comprises in combination: a robot (5) for extracting winding mandrels (A) from formed reels (BB); a cutting unit (7) for cutting tubes (T) for forming tubular winding cores (AT) of settable axial length; an insertion unit (9), for introducing the winding mandrels into a set of tubular winding cores.

Abstract: The rod (A) for winding reels of weblike material includes a cylindrical surface for winding of the weblike material, on which members (P) for engagement of an initial portion of the weblike material to be wound.

Abstract: The rod (A) for winding reels of weblike material includes a cylindrical surface for winding of the weblike material, on which members (P) for engagement of an initial portion of the weblike material to be wound.

Abstract: The rewinding machine comprises: a first and a second lower winding roller (5, 7) defining a winding cradle for a reel (R) of web (N); a third upper roller (13) having a mobile axis (13) arranged over said first and second lower winding rollers and carried by two mobile slides (11) to allow for the increasing dimension of the reel under formation in said winding cradle. The two slides (11) carry two cylinders (21, 27) whose axes are parallel to the axis (13A) of the third upper roller (13) which are provided with a reciprocal approaching and distancing movement for either approaching or distancing the reel under formation in said cradle.

Abstract: A winding or rewinding machine to wind a web material (N) and form a roll (R) around a winding spindle (13) is disclosed, comprising: at least a roller (5) in contact with said winding spindle in the initial phase of winding the web material around the spindle; a transverse cutting element (19) to cut the web material when a roll has been wound and form an initial free end to wind a subsequent roll around a new winding spindle. Moreover, at least an electrostatic bar (21) to electrostatically charge the web material is also provided. The roller (5) in contact with the spindle is made at least partially in non-electrically conductive material.

Abstract: The rewinding machine comprises: a first and a second lower winding roller (5, 7) defining a winding cradle for a reel (R) of web (N); a third upper roller (13) having a mobile axis (13) arranged over said first and second lower winding rollers and carried by two mobile slides (11) to allow for the increasing dimension of the reel under formation in said winding cradle. The two slides (11) carry two cylinders (21, 27) whose axes are parallel to the axis (13A) of the third upper roller (13) which are provided with a reciprocal approaching and distancing movement for either approaching or distancing the reel under formation in said cradle.

Abstract: The rewinding machine includes: at least a first and a second winding cylinder (3, 5), whose axes are parallel, defining a winding cradle (7) in which said reels of web (N) are formed, and mating centers (65) for engaging and withholding the winding mandrels (M, M1, M2) on which the reels are formed in the winding cradle. It is further provided a pair of lateral flanks (43), on each of which a corresponding guide (61) defining a closed path is arranged, along which guide a plurality of said mating centers (65) are mobily arranged. Each mating center associated to one of said flanks is aligned with a corresponding mating center associated to the other of said flanks. It is further provided a drive system to move the mating centers along each of said guides.

Abstract: A description is given of a device for preparing winding mandrels for winding machines or the like, comprising, in combination: an extraction station (9) with an extractor mechanism for extracting a mandrel from one or more rolls of web material and for inserting the extracted mandrel into a tube (T); a cutting station (11) with cutting means (71) for cutting the tube (T) fitted on the mandrel into a set of tubular cores aligned on said mandrel; an insertion station (13) with insertion members (127) for inserting the mandrel with the tubular cores into a winding machine or the like.

Abstract: The re-reeling machine comprises a feed assembly (5) for feeding tubular winding cores and a re-reeling assembly (3) with a revolver unit (57) on which the tubular winding cores (C) are set in order to wind on them predetermined amounts of web-like material and form respective rolls (B) of wound web-like material. The revolver unit rotates about an axis of rotation (A) and has at least two supports (101, 102) for tubular cores, which are set in two angular positions with respect to said axis of rotation. The tubular-core feed assembly comprises a dispensing path (165, 171) for dispensing tubular cores to a core loader (181). The core loader is provided with a motion of approach to the revolver unit and a motion of following of the movement of the revolver unit, in order to transfer the tubular cores from the loader to the revolver unit.