Abstract: Disclosed is an unwinder with system for loading and unloading reels. The unwinder includes a rotating support with a rotation axis and provided with engaging members for engaging the reels. The unwinder further includes a positioning system for loading the reels onto the rotating support and an unloading system for unloading the reels from the rotating support. The positioning system includes a first conveyor for the reels and a pusher configured and arranged to push the reels from the first conveyor towards abutment members defining a pick-up position where the reel is taken by the rotating support. The positioning system and the unloading system are arranged at opposite sides of the rotating support.

Abstract: A web rewinding apparatus having a mandrel cupping assembly for releaseably engaging unsupported ends of a plurality of mandrels is disclosed. Each of the plurality of mandrels extends generally parallel to the web winding turret assembly axis. Each of the mandrels is driven in a closed mandrel path about the web winding turret assembly axis. The mandrel cupping assembly comprises a cupping arm turret having a cupping arm turret central axis, a mandrel cup cooperatively associated with each mandrel of the plurality of mandrels, at least three motion limiting devices disposed upon the cupping arms, and a first actuator.

Abstract: A web rewinding apparatus comprising a turret winder and a cupping assembly is disclosed. The turret winder has a rotatably driven turret supporting a plurality of rotatably driven mandrels capable of engaging cores upon which a web material is convolutely wound thereabout. The cupping assembly has a plurality of cupping arms each cooperatively associated with one of the plurality of mandrels and having a mandrel cup for releaseably engaging the unsupported ends of the cooperatively associated mandrel. The rewinding apparatus also provides a first actuator for disposing the cupping arm from the hold-open position to the hold-closed position. Each of the cupping arms is disposed radially about the cupping arm turret and is carried in a radial orbital path about the cupping arm turret central axis while disposed in either of a hold-open position or a hold-closed position.

Abstract: A mandrel cupping assembly for releasably engaging the unsupported ends of a plurality of mandrels disposed on a web winding turret assembly is disclosed. The mandrel cupping assembly comprises a cupping arm turret, a mandrel cup and cupping arm cooperatively associated with each mandrel, an outer ring guide disposed coaxially about the cupping arm turret, and an actuator cooperatively associated with each cupping arm. Each of the mandrel cups and cupping arms are disposed radially about the cupping arm turret. The mandrel cups releasably engage the unsupported end of the mandrel against the outer ring guide. The mandrel cups have a hold-open position and a hold-closed position and are carried in a radial orbital path about the cupping arm turret while disposed in either of the hold-open position or the hold-closed position. Each actuator disposes the corresponding cupping arm from the hold-open position to the hold-closed position.

Abstract: A mandrel cupping assembly for releasably engaging the unsupported ends of a plurality of mandrels disposed on a web winding turret assembly is disclosed. The mandrel cupping assembly comprises a cupping arm turret, a mandrel cup and cupping arm cooperatively associated with each mandrel, an outer ring guide disposed coaxially about the cupping arm turret, and a first actuator. Each of the mandrel cups and cupping arms are disposed radially about the cupping arm turret. The mandrel cups releasably engage the unsupported end of the mandrel against the outer ring guide. The mandrel cups have a hold-open position and a hold-closed position and are carried in a radial orbital path about the cupping arm turret while disposed in either of the hold-open position or the hold-closed position. The first actuator disposes each of the mandrel cups and cupping arms from the hold-open position to the hold-closed position.

Abstract: A mandrel cupping assembly for releasably engaging unsupported ends of a plurality of mandrels is disclosed. The mandrel cupping assembly comprises a cupping arm turret having a cupping arm turret central axis, a mandrel cup cooperatively associated with each mandrel of the plurality of mandrels, at least three motion limiting devices disposed upon the cupping arms distal from the fulcrum, and a first actuator.

Abstract: A mandrel cupping assembly for releaseably engaging the unsupported ends of a plurality of mandrels supported on a web winding turret assembly is disclosed. Each of the mandrels is driven in a closed mandrel path about a web winding turret assembly axis. The mandrel cupping assembly has a cupping arm turret with a cupping arm turret central axis, a cupping arm cooperatively associated with each mandrel of the plurality of mandrels, and a first actuator for disposing the cupping arm from a hold-open position to a hold-closed position. Each of the cupping arms is disposed radially about the cupping arm turret and is carried in a radial orbital path about the cupping arm turret central axis while disposed in either of the hold-open position or the hold-closed position.

Abstract: A web rewinding apparatus having a mandrel cupping assembly for releasably engaging unsupported ends of a plurality of mandrels is disclosed. Each of the plurality of mandrels extends generally parallel to the web winding turret assembly axis. Each of the mandrels is driven in a closed mandrel path about the web winding turret assembly axis. The mandrel cupping assembly comprises a cupping arm turret having a cupping arm turret central axis, a mandrel cup cooperatively associated with each mandrel of the plurality of mandrels, and a first actuator.

Abstract: The invention relates to a roll unwinding device for a web-fed printing machine, wherein the roll unwinding device has at least one roll holding device and at least one drive motor connected to the at least one roll holding device via at least one torque transfer device, and wherein the at least one roll holding device is embodied as a clamping shaft and the clamping shaft has at least one carrier element, which is connected to the clamping shaft so as to be movable at least in a radial direction with respect to a rotational axis of the clamping shaft, and wherein the roll unwinding device has at least two clamping shaft bearings, at least one of which is connected and/or connectable to the clamping shaft so as to transfer and/or be capable of transferring torque, and wherein the at least one clamping shaft bearing is connected to the at least one drive motor via the at least one torque transfer device so as to transfer and/or be capable of transferring torque.

Abstract: A winder for winding continuous webs or interleaved web segments having a machine direction and a cross-machine direction coplanar and orthogonal thereto into rolls is disclosed. The winder comprises a first surface contact roll having a longitudinal axis parallel to the cross-machine direction associated thereto. The web material contacts at least a portion of the first surface contact roll. The winder also has a winding spindle arranged to be rotatably driven about an axis generally parallel to the longitudinal axis of the first surface contact roll. The winding spindle is capable of receiving the web material when the winding spindle is proximate the web material contacting the first surface contact roll. Each of the winding spindle and first surface contact roll is capable of cooperative engagement when the web material is disposed therebetween.

Abstract: A mandrel cupping assembly for releaseably enraging the ends of a plurality of mandrels supported on a web winding turret assembly is disclosed. The turret assembly provides a plurality of mandrels extending parallel to a turret assembly central axis and driven in a closed mandrel path about the turret assembly central axis. The mandrel cupping assembly provides a cupping arm cooperatively associated with each mandrel, a cupping arm support having a hold-open cam track and a hold-closed cam track disposed radially about a surface thereof, and a first actuator for disposing the cupping arm from the hold-open cam track to the hold-closed cam track. The cupping arm has a mandrel cup for releaseably engaging the end of a mandrel. Each cupping arm is carried in a radial path about the turret assembly central axis while disposed in either of the hold-open cam track or the hold-closed cam track.

Abstract: A process for winding a web substrate is disclosed. The process provides the steps of: (a) providing a turret assembly having a plurality of mandrels each having an unsupported end; (b) providing a mandrel cupping assembly for releasably engaging the unsupported ends of each mandrel; (c) driving the turret assembly about a closed mandrel path; (d) indexibly rotating a first mandrel to a first position; (e) disposing a core upon the mandrel; (f) connectively engaging a first cupping arm with the unsupported end of the mandrel with an actuator; (g) engaging a web substrate to the core; (h) disposing the web substrate about the core; (i) indexibly rotating the mandrel to a second position; (j) disengaging the cupping arm from the mandrel at the second position; and, (k) removing the core and the convolutely wound web material from the mandrel.

Abstract: A web rewinding apparatus comprising a turret winder and a mandrel cupping assembly is disclosed. The turret winder has a rotatably driven turret supporting a plurality of rotatably driven mandrels capable of engaging cores upon which a web material is convolutely wound thereabout. The mandrel cupping assembly has a plurality of cupping arms each cooperatively associated with one of the plurality of mandrels and having a mandrel cup for releaseably engaging the unsupported ends of the cooperatively associated mandrel. The mandrel cupping assembly has a cupping arm support having a hold-open cam track and a hold-closed cam track. Each cupping arm is carried in a radial path while disposed in either of the hold-open cam track or said hold-closed cam track. A first actuator disposes the cupping arm from the hold-open cam track to the hold-closed cam track.

Abstract: In a winder assembly, a turret assembly indexes first and second cores between winding and removal positions. A lay-on roll assembly includes a roller and moves between a retracted position and an engaged position wherein the roller and the core, or the work material wound onto the core, cooperate to form a nip. A cutter is provided for cutting a web of sheet-type work material being wound onto the core. An enveloper assembly is provided and includes a nipping pivot roller that can engage a cut edge of the work material and feed the cut edge into the nip formed between the roller forming part of the lay-on roll assembly and a fresh core thereby allowing the work material to wind around the core.

Abstract: A winder assembly is provided and includes two or more cores mounted for rotation on a turret assembly and a web of sheet-type work material is wound around a core. A lay-on roll assembly roller and a core cooperate to define a first nip. A transfer roll assembly includes a roller coupled for rotation to a rail such that the roller and a core cooperate to define a second nip. A cutting means for cutting the work material includes a traverse assembly having a work material guide means. During operation, after cutting work material, the turret assembly indexes a core into a winding position and the work material guide means is moved to the operating position such that the roller coupled to the rail causes the work material to be fed into the second nip and begin winding around the core.

Abstract: In a winding assembly for winding web rolls, an enveloper assembly is used to initiate winding of a web stream onto a pre-formed core or to initiate winding of a core-forming substrate into an in-line core. The enveloper assembly comprises a first support arm operatively coupled to a second support arm; a third support arm operatively coupled to the second support arm; and an enveloper roller operatively coupled to the third support arm. The enveloper roller is movable along a cylindrical surface from a first position to a second position. The enveloper assembly accommodates a wide range of core diameters. For winding non-adhesive web streams, a tail tucker can be used in conjunction with the enveloper assembly to initiate winding. In conjunction with apparatus for inserting core-forming substrates or adhesive tabs onto a web, the winding assembly can perform high-volume, streaming production of wound web rolls.

Abstract: The present invention provides for a method for rewinding a web material. The method comprises the steps of: (1) Disposing the web material on a winding spindle, the winding spindle being operatively associated with a winding turret; (2) Cooperatively engaging a contact roll with the winding spindle when the web material is disposed therebetween, the contact roll being operatively associated with the winding turret; and, (3) Adjusting the position of the contact roll upon said winding turret relative to the winding spindle as the web material is being disposed upon the winding spindle.

Abstract: Several small diameter short width rolls (124) of plastic film (108) are wound from a larger width and length of plastic web in a continuous manner. The disclosed apparatus slits the larger width plastic web into several narrower width plastic webs, positions the slit webs on a single large diameter winding drum (110) and then winds each narrower width web at a separate winding turret (112, 114). At each turret, the plastic web is rolled around a first mandrel until the roll achieves the desired size. Then, a second mandrel contacts, the plastic web and the plastic web is severed between the first mandrel and second mandrel and attached to a second mandrel to be rolled into a roll of desired length. The process is repeated at each turret such that the several plastic webs are simultaneously wound in a continuous fashion.

Abstract: A winding device for winding up a web-like material has a roll core, on which the web-like material is wound up into a material roll, and a web guiding roller, which guides the web-like material before or when the web-like material reaches the roll core or the material roll, and a pressing element, which presses the web-like material onto the roll core or the roll after the web-like material already rests on the roll core or the roll. The pressing element is movable in relation to the roll core, and is mounted at both ends in lever arms forming a lever arm pair. The lever arms are mounted so as to be rotatable, and so that the pressing element is pivotable around bearing points of the lever arms.

Abstract: A winding plant for use in plastic film production lines comprises a plurality of reels (11-14) connected to a star-like reel carrier (15) rotatable around its own axis. According to the invention, said reels (11-14) are arranged around said star-like reel carrier (15) in a manner such that at least a first reel (12) of said plurality of reels is situated in an operative winding position of a film (20) to form a complete roll (21). Said reels (11-14) each comprise a mandrel (26) supported by a tailstock associated with a flange element (16) comprising at least a first and a second notch (23,24), wherein said flange element (16) is rotatable around its own axis in a manner independent from said star-like reel carrier (15) when said tails tocks are released from said mandrels (26), so to bring said first notch (23) to a second unloaded reel (13) and said second notch (24) to a third reel (14) loaded with a roll (21) of film (20).

Abstract: A carousel coiler with two coilers, which are mounted in a rotatable rotor, are rotatably driven independently of each other, are intended for the successive, continuous winding of metal strip and each have spray heads, which comprise a number of segments that can be moved in a spreading manner, are supported on axially displaceable wedge-shaped directing surfaces and on which the coilers can be cyclically moved in each case from a starting position into a strip-coil transfer position by turning of the rotor, is to be developed in such a way that a pivot-into-place outside bearing becomes superfluous, that the coil or the coil to be wound is always supported on both sides in every position, and that the carousel coiler can be used both for winding up and unwinding coils.

Abstract: A winder for winding a web material into rolls is disclosed and claimed. The winder is provided with a winding spindle that is rotatably driven about an axis generally parallel to the cross-machine direction of the web material. The web material is disposed about the winding spindle when the web material is proximate thereto. The winder is also provided with a contact roll disposed adjacent, and contacting a portion of the web material being disposed about, the winding spindle. Each of the winding spindle and the contact roll are capable of cooperative engagement when the web material is disposed therebetween. Both the winding spindle and the contact roll are operatively disposed upon a winding turret. The contact roll is adjustable relative to the winding spindle when the web material is disposed upon the winding spindle.

Abstract: A method for rewinding a web material is disclosed. The method provides for the steps of (1) Disposing the web material on a first surface contact roll, (2) Providing at least one winding spindle proximate the material disposed upon the first surface contact roll, (3) Adjusting the first surface contact roll relative to the at least one winding spindle, and, (4) Transferring the web material to the at least one winding spindle from the first surface contact roll.

Abstract: According to one exemplary embodiment, a turret-type winder is provided and includes a rotatable turret assembly having a first core and a second core supported thereby. The turret is rotatable so that the first core can be positioned at a first location while the second core is positioned at a different second location, and the web material can be wound onto either of the first and second core at either of the first and second locations. The winder includes a pack roll assembly associated with each of the first and second cores, with the pack roll assembly including one pack roll that is pivotably movable into contact with a winding roll. The present winder is configured such that each of the first and second cores is unloaded at the first location after the winding is completed thereon and a new core is loaded at the same first location, while the other of the first and second cores is continuously winding at the second location.

Abstract: An apparatus for forming a roll of contaminant removal tape and methods of forming rolls of contaminant removal tape. The apparatus includes a turret assembly having a first winding cylinder, a first vacuum source providing vacuum to the first winding cylinder, and a web breaking assembly moveable between a first web breaking assembly position and a second web breaking assembly position. The web breaking assembly includes a blade, which is moveable between a first blade position and a second blade position.

Abstract: In winding up a sheet web coated with a tacky adhesive, a roll changing method is provided which obviates the necessity of applying an adhesive. When changing the sheet web from a full wind roll wound up on a turret winder to a new core tube, the new core tube is revolved in reverse to the rotational direction of the turret, the sheet is cut between the full wind roll now turned by the turret and the new core tube revolving in reverse to it at a winding location, the adhesive side of the end of the cut sheet in the running direction is pressed and attached to the surface of the new core tube under reverse revolution and concurrently, the attached sheet is folded back, and the sheet web continuing from it is wound onto the new core tube, with its adhesive side being a surface side.

Abstract: A multiple output reel module includes a reel wheel supporting a plurality of spindles. Mounted to each spindle is a reel. The reel wheel is rotatable to position one of the spindle and reel combinations in a loading position in which output media from a nearby machine is interconnected to the reel. The spindle and reel are rotated to load the reel with output media. A CPU monitors the status of the reel, and stops the loading when the reel is full. The CPU then rotates the reel wheel to position a second spindle and reel combination in the loading position. The output media is automatically positioned over a portion of the second reel, and the output media is automatically interconnected to the second reel with an over-center finger assembly. Then the output media between the two reels is cut and the second reel is loaded with output media.

Abstract: The structure disclosed aims to provide a band plate winding system capable of high speed winding at a low cost. The band plate winding system comprises a carrousel type winder having a plurality of individually driven mandrels on a circular support frame provided so as to be rotationally drivable in a vertical plane, and a roll type wrapping device for supporting a plurality of unit rolls each provided so as to be moveable forward and backward between a position surrounding the mandrel located at a winding start position of the winder and a retreat position.

Abstract: A web transfer and chop-off assembly for a paper web rewinder used in a paper converting operation capable of maintaining positive control of the web at all times. The web transfer and chop-off assembly delivers a web to an empty core faced with glue and supported on a mandrel of a web winding turret assembly, at about the same time the web is severed from a fully wound core supported on a second mandrel on the turret assembly.

Abstract: The present invention aims to provide a band plate winding system capable of high speed winding at a low cost. The band plate winding system comprises a carrousel type winder (5) having a plurality of individually driven mandrels (7) on a circular support frame (6) provided so as to be rotationally drivable in a vertical plane, and a roll type wrapping device (10) for supporting a plurality of unit rolls (22a to 22d) each provided so as to be movable forward and backward between a position surrounding the mandrel located at a winding start position of the winder (5) and a retreat position.

Abstract: Process and device for continuously winding a plurality of longitudinally cut paper webs at machine speed by using a device that includes support rollers and at least one pair of disks associated with each of the support rollers, such that the at least one pair of disks is arranged concentrically with and rotates independently of, its associated support roller. The at least one pair of disks includes a first winding device having a first cardboard tube disposed thereon and a second winding device having a second cardboard tube disposed thereon, such that each of the support rollers include at least one of the pair of disks, which are concentrically arranged with and which rotate independently of the support rollers.

Abstract: A web winding apparatus and a method of operating the apparatus include a turret assembly, a core loading apparatus, and a core stripping apparatus. The turret assembly supports rotatably driven mandrels for engaging hollow cores upon which a paper web is wound. Each mandrel is driven in a closed mandrel path, which can be non-circular. The core loading apparatus conveys cores onto the mandrels during movement of the mandrels along the core loading segment of the closed mandrel path, and the core stripping apparatus removes each web wound core from its respective mandrel during movement of the mandrel along the core stripping segment of the closed mandrel path. The turret assembly can be rotated continuously, and the sheet count per wound log can be changed as the turret assembly is rotating. The apparatus can also include a mandrel having a deformable core engaging member.

Abstract: A system and method for transferring and buffering sheets of media between first and second components of an imagesetting system operates by: rotating a transfer buffer having at least two storage devices, to align a first storage device with the first component while concurrently aligning a second storage device with the second component; transferring a first sheet of said media from the first component to the first storage device; rotating the transfer buffer to align the first storage device with the second component while concurrently aligning the second storage device with the first component; and transferring the first sheet of said media from the first storage device to the second component while simultaneously transferring a second sheet of said media from the first component to the second storage device.

Abstract: A machine for lifting a roll of previously wound material and for unwinding the material from the roll is disclosed. The machine includes a turret shaft around which a lift arm assembly is moved from a first position to a second position. A lifting mechanism for lifting the roll after it is loaded at the first position is also provided. A plurality of lift arm assemblies can be provided so that a stand-by roll can be loaded onto the machine to be quickly rotated into an unwinding position. The lift arm assembly supports the roll without the use of a shaft through the core of the roll. A drive tower is provided which includes a turning belt with a frictional contact surface for contacting the roll as the turning belt is rotating, thereby turning the roll to unwind the material therefrom.