Abstract: In an apparatus and a method of producing a roll of bags, a bag feeding device is arranged to feed bags one by one to a winding device. The winding device includes a rotating spindle which is arranged to engage with each bag separately to wind the bag on it, so as to build a roll of bags in which the bags are unconnected to one another yet firmly held together. The winding device comprises at least two separate winding stations, each winding station being connected to one or more bag feeding devices; and a switch that is arranged upstream of a bag feeding device to direct the bags from one winding station to the other when a roll of bags has been completed in one of the winding stations.

Abstract: In the take-up device for web-shaped materials, especially plastic In the take-up device for web-shaped materials, especially plastic films, there is at least one bearing unit which acts between the ends of the contact roller on its peripheral compressive surface and supports the contact roller. The contact roller is made with a relatively small diameter and is made flexurally soft such that via the bearing unit(s) the bending line and the damping behavior of the contact roller between its ends can be influenced and advantageously also controlled.

Abstract: A winding machine can wind webs into a plurality of rolls at spaced positions. The machine has a winding roll assembly including a winding roll support and driver. A rider support supports a plurality of rider rollers at and between the spaced winding positions, without projecting between the rider rollers. Some of the rider rollers can contact the rolls. Each of the rider rollers has encircling the rider support a rim wheel with a member. The member is selectively operable to interlock and move together with an adjacent one of the rim wheels. Rider rollers at the spaced winding positions can be pressed in a common direction toward the rolls to limit air entrapment. At least one adjacent pair of the rider rollers at the edge of a roll can be linked together in order to move in unison.

Abstract: A winding machine can wind webs into a plurality of rolls at spaced positions. The machine has a winding roll assembly including a winding roll support and driver. A rider support supports a plurality of rider rollers at and between the spaced winding positions, without projecting between the rider rollers. Some of the rider rollers can contact the rolls. Each of the rider rollers includes a rim wheel encircling the rider support and a pusher reciprocatably mounted on the rider support within the rim wheel. Each of the pushers is commonly coupled within the rider support to enable the pushers to be driven toward an extended position in response to a common force. An extrinsic force can push the pusher into a retracted position to switch into a holding state limiting the ability of the pusher to move to the extended position.

Abstract: For improving the quality of rolls (4) in which a large number of flat articles (2) are wound onto a roll core with the help of a winding tape (5), a local additional pressure force is exerted on the periphery of the roll (4) under formation during the winding process. For this purpose, the winding device, which in a known manner includes a device for holding a roll core (1), a device for supplying the articles (2) to a winding point (3) on the periphery of the roll core (1) or of the roll (4) under formation respectively, a device for feeding-in the winding tape (5) under tension to the winding point (3) and a drive for rotating the roll core (1) or of the roll (4) under formation, further includes at least one device (6) for generating the additional pressure force.

Abstract: In a film winding method, continuous polymer film of cellulose acetate being supplied is wound into a form of a film roll. During the winding step, looseness of outer turns of the film roll is prevented by pressing a rotatable lay-on roll against the film roll. The lay-on roll includes a surface material, formed in a cylindrical shape, for contacting the film roll. The surface material includes rubber, has volume resistivity of 102-1012 &OHgr;cm, and hardness of 30-70.

Abstract: A magnetic recording medium winding apparatus for rolling up an original roll of the magnetic recording medium, comprising: an arm member rotatably supporting a pushing roller at one end side thereof and supported turnably around the other end side thereof; a driving unit turning the arm member to push the pushing roller against the original roll of magnetic recording medium at a predetermined set pressure while rolling up the original roll; a strain sensing unit sensing a strain generated in the arm member during a pushing by the driving unit; and a control unit calculating a pressure of the pushing roller against the original roll of magnetic recording medium based on a sensed signal of the strain sensing unit and also feedback-controlling the driving unit such that the calculated pressure coincides with the set pressure at the driving unit.

Abstract: A device for continuous reeling of a pulp sheet, particularly a paper sheet, where the sheet runs over a reel drum and is later wound on a horizontal reel with a horizontally adjustable holding device. The horizontally adjustable holding device having support rollers that run in guide units, where the guide units are sealed off by a vertically arranged moving belt.

Abstract: A dry end of a tissue machine is made shorter by close-coupling a reel-up to the drying section and supporting the web from the drying section to the reel-up by a foil or a belt such that web stability is maintained, thus allowing high-speed operation. The foil's downstream edge can form a nip with the paper roll and nip load can be controlled by controlling pivotal movement of the foil. The reel-up can include a calendering belt for calendering the web as it passes through a nip between the belt and a reel drum supported on the belt, and a rotatable reel spool on which a paper roll is wound in nipping engagement with the reel drum. Alternatively, the reel drum can be eliminated and the paper roll can be supported on the belt. A composite shaftless core for winding is also disclosed.

Abstract: A contact roller system of a winding machine for thin strip material has a shaft and pivot levers arranged in a row adjacent to one another on the shaft. The pivot levers have two contact roller segments moveable against slit rolls during a winding process by an actuating drive of the pivot levers. The two contact rollers are arranged on opposite sides of the pivot levers, respectively, and form a contact roller segment pair positioned adjacent to one another such that between neighboring end faces a gap required for rotational movement of the contact roller segment pairs is formed. The contact roller segment pairs are freely rotatably supported and rotate about an axis of rotation extending parallel to the pivot axis of the pivot levers. The axes of rotation of the contact roller segment pairs have a common pivot radius.

Abstract: It is adapted such that, when coiling a thin metal strip at high speed, no shape defect owing to a center buckle occurs in the metal strip, thereby intending an improvement in yield. In a method of coiling a metal strip, adapted such that, before the coiling is finished, wrapper rolls 6 are pushed against an outer coiling face of a coil 5 to brake a rotation of the coil 5 and, by this, the rotation of the coil 5 is stopped in a short time at a coiling finish time, a pushing force of the wrapper roll 6 is made 10-20 kN/m.

Abstract: An apparatus and method is disclosed for winding a web about a central axis and a rotating mandrel to form a roll. A feeding mechanism provides a running web to be wound into a roll. A retainer assembly may be configured for holding the web as it is wound upon the rotating mandrel. The retainer assembly may be configured to accommodate oscillating movement of the rotating mandrel between a clockwise and a counterclockwise direction. The web may be wound in one direction and then back again repeatedly to form a roll. Retaining means, such as paddles, may be actuated from an active position in contact with the web to a resting position removed from the roll. Paddles may serve to hold the web upon the outer surface of the roll at the time in which the rotating mandrel is changing rotational direction.

Abstract: In the tape winder for winding a tape on a reel to form a tape roll, a nozzle which blows a gas toward an outer peripheral surface of the tape roll at a winding time of the tape is fixed on a slider, which is slidably supported on a rail. In this way, the nozzle is supported movably forward and backward with respect to the tape roll. Moreover, the nozzle is pressed toward the tape roll by an air cylinder with a constant pressing force. Thus, the nozzle is allowed to accurately follow an outer peripheral surface of the tape roll, and a constant pressure can be applied to the outer peripheral surface of the tape roll. Consequently, the tape can be wound with an adequate winding tightness.

Abstract: The invention relates to a method and apparatus in a reeling process of a paper web. A paper web (PR) is continuously reeled around a reeling core (10) via a roll assembly (T). A first press device arrangement (8) is arranged to move with respect to the frame (16) of the reel-up and by means of the first press device arrangement (8) a first nip contact (N1) is maintained to the paper web (PR) that is being formed on the reeling core, and the first press device arrangement (8) is transferred with respect to the frame (16) of the reel-up into a nip contact (N2) with a second press device arrangement (11). According to the invention, the section of the roll assembly (T) before the first press device arrangement (8) and the first press arrangement (8) are formed as separate units. The paper web (PR) is guided immediately into nip contact (N1) in the first press device arrangement (8) via the roll assembly (T) stationary with respect to the frame (16) of the reel-up.

Abstract: An apparatus for processing a film has a cutting mechanism for cutting an elongate film, first and second feed mechanisms disposed on respective opposite sides of the cutting mechanism, an inserting mechanism for inserting an end of the film into a spool, and a cam switching mechanism for changing the timing of operation of the cutting mechanism depending on sized films having various different lengths. The sized films having various different lengths can automatically and easily be inserted into spools with a simple arrangement.

Abstract: A strip of sheet material is wound on a spool by a driving belt wrapped around spaced rollers of a surface winder which urge the sheet material into contact with the spool, rotating the spool, and at the same time, applying the sheet material to the spool, with layers of the material being separated by a liner wrapped around the spool as the sheet material is being applied.

Abstract: A large round baler is equipped with a device for wrapping a bale formed in the baling chamber of the baler with a web of plastic sheeting or net wrapping medium. A supply roll of the wrapping medium is located in a box mounted forward of the baling chamber for movement along a fore-and-aft extending guide rail between a standby position, wherein a free end of the wrapping medium is supported by a guide surface at a location spaced forward of the baling chamber, and a wrapping position, wherein the free end of the wrapping medium is located for being grabbed by rotating rollers and/or the formed bale so that a length of the wrapping medium is pulled from the supply roll as it is wrapped about the bale. A power operated brake operates on the supply roll so as to provide a constant tension in the wrapping medium during wrapping operation.

Abstract: There is provided a magnetic recording medium winding apparatus for rolling up an original roll of the magnetic recording medium, comprising: an arm member rotatably supporting a pushing roller at one end side thereof and supported turnably around the other end side thereof; a driving unit turning the arm member to push the pushing roller against the original roll of magnetic recording medium at a predetermined set pressure while rolling up the original roll; a strain sensing unit sensing a strain generated in the arm member during a pushing by the driving unit; and a control unit calculating a pressure of the pushing roller against the original roll of magnetic recording medium based on a sensed signal of the strain sensing unit and also feedback-controlling the driving unit such that the calculated pressure coincides with the set pressure at the driving unit.

Abstract: A reeling machine is designed for continuous winding of fibrous web, in particular a paper or carton web, into a jumbo roll. An air squeeze arrangement is located in the lower area of the reeling machine which can be positioned against the jumbo roll and includes a positionable supporting profile with segmented rolls positioned eccentrically next to each other by means of bearings, whereby, the interior of the supporting profile is provided with a tube, which is surrounded by a guide pipe and filled with a pressure medium from a pressure source, upon which bearings are centrally supported by power transmission elements.

Abstract: A contact roller system of a winding machine for thin strip material has a shaft and pivot levers arranged in a row adjacent to one another on the shaft. The pivot levers have two contact roller segments moveable against slit rolls during a winding process by an actuating drive of the pivot levers. The two contact rollers are arranged on opposite sides of the pivot levers, respectively, and form a contact roller segment pair positioned adjacent to one another such that between neighboring end faces a gap required for rotational movement of the contact roller segment pairs is formed. The contact roller segment pairs are freely rotatably supported and rotate about an axis of rotation extending parallel to the pivot axis of the pivot levers. The axes of rotation of the contact roller segment pairs have a common pivot radius.

Abstract: Process and apparatus for damping vibrations in a machine for winding material webs, in which the apparatus includes at least two cylindrical bodies. The process includes positioning the at least two cylindrical bodies to roll on each other to form a nip, such that at least one of imbalance and out-of-roundness of either of the at least two cylindrical bodies form a system capable of vibration. The process further includes actively damping vibrational forces of the vibration system in at least one of the at least two cylindrical bodies by displacing an axis of rotation of the at least one of the at least two cylindrical bodies in accordance with a current one of a plurality of vibrational force measurements made per each rotation of the at least one of at least two cylindrical bodies and with additional energy fed from outside of the vibration system.

Abstract: A web winding device versatilely adaptable to a web wound on a winding shaft, e.g., physical properties, thickness, width, winding speed, etc. and yielding an optimal wind roll without entrained air. It contains a touch roller disposed in pressure contact with a wind roll at a web approaching position to it, a guide roller provided adjacently, upstream of the touch roller, and touch roller arms provided with both rollers, the touch and guide rollers being arranged so that the approaching direction of the web to the guide roller and the wrapping direction on the wind roll in pressure contact with the touch roller are kept in parallel and the position of the guide roller is controllable vertically, permitting the regulation of the web approaching angle to the touch roller in pressure contact with the wind roll.

Abstract: The invention is a centerwinder for receiving and winding web material sequentially on one of at least two fixed shafts. The two or more shafts are desirably positioned vertically to one another in a stationary structure and eliminate the need for a powered turret assembly. A lay-on roll assembly can be used that pivots in and out as well as up and down for serving the respective shaft locations. A cylinder linkage provides the same or constant force against the winding roll on either the upper or the lower shaft. Transfer rolls in desirable embodiments are automatically pivoted into the proper position for a fully automatic transfer or to assist the operator during a manual cut and transfer.

Abstract: A web winding method for wrapping a web comprising steps of: feeding the web having a thickness of 5 to 70 &mgr;m at a speed of 200 to 1000 m/min; wrapping the web around a contact roller of which a coefficient of friction at each axial end surface is lower than that at an axial center surface at a wrap angle of 45 to 180°; pressing the web against an outer peripheral surface of a web roll by the contact roller; and taking up the web in a rolled manner. Then, the web winding method can conspicuously prevent occurrence of flaws or wrinkles in a web without involvement of a drop in productivity.

Abstract: The invention includes apparatus and methods for forming a tape pack on a drum or the like in aligned formation. An apparatus in accordance with the present invention can include at least one alignment member. The tape pack, as it is formed, can be periodically passed by the alignment member to facilitate substantially aligned formation thereof. A method in accordance with the present invention includes rotating a tape pack, winding a length of tape around the tape pack, and periodically passing the tape pack past a localized, stationary contact point where outermost windings of the tape pack are urged into aligned formation.

Abstract: There is a film-press spring for pressing a photographic film on a take-up spool in a take-up chamber. The film-press spring has a main body for guiding a leading end of the photographic film at the beginning of the film winding and a plate bended in U-shape against the main body. A pressing arm which is protruded from the main body presses the photographic film to a periphery of the take-up spool. And a fitting arm which is elastic enough to be transformed is protruded from the plate. When inserted into the spring attachment hollow of the take-up chamber, the fitting arm presses the wall surface of the spring attachment hollow. And a slipping prevention claw of the plate is engaged with the wall surface of the spring attachment hollow.

Abstract: A touch roller device, adaptable by itself to versatility of a web wound on a winding shaft, e.g., physical properties, thickness, width, winding speed, etc. and permitting to yield an optimal wind roll without entrained air. It comprises a touch roller disposed in pressure contact with a wind roll at a web approaching position to it, a guide roller provided adjacently, upstream of the touch roller, and touch roller arms provided with both rollers, the touch and guide rollers being arranged so that the approaching direction of the web to the guide roller and the wrapping direction on the wind roll in pressure contact with the touch roller are kept in parallel and the position of the guide roller is controllable vertically, permitting to regulate the web approaching angle to the touch roller in pressure contact with the wind roll.

Abstract: A take-up control system for controlling a take-up motion included in a loom controls the take-up motion according to the diameter of a roll of cloth being woven on the loom so that a proper tension is exerted on the cloth. A take-up controller included in the take-up control system controls a torque-controllable motor for driving a cloth roller to take up the cloth in the roll on the basis of an electric signal representing the diameter of the roll according to a control program to exert a properly adjusted tension on the cloth. The take-up controller can also control an actuator for pressing a pressing member against the circumference of the roll according to weaving conditions, or weaving conditions and the diameter of the roll, to apply a properly adjusted pressure to the roll by the pressing member.

Abstract: Contact roller systems comprising several hollow cylindrical roller segments (2) that are mounted next to each other on the front face side in such a way that they can rotate freely on a continuous shaft (1) are already known per se in winding machines. According to the invention, the internal bearing parts of a roller segment (2) terminate on at least one axial end at a distance (4) from the front face of the roller segment (2). A free space is thus formed, whereby parts of a support bearing (5) which supports the shaft (1) and/or parts of an adjusting lever (6) can be arranged therein. The support bearing (5) and/or the adjusting lever (6) have an annular groove (7) in which the end of the roller segment (2) can rotate in a contactless manner. It is possible to keep the gap between two adjacent roller segments (2) as small as possible in order to avoid markings, while still allowing the support bearing (5) and/or adjusting lever (6) to act.

Abstract: The pressure roller reel-up for reeling of a web (W) onto a roll (R) contains a roller (1) via which the continuous web (W) entering the reel-up is arranged to wind around a reeling axle (3) arranged rotatably in a reeling position. The reel-up also comprises a load device (4) for pressing the roller (1) against a roll (R) being formed of the web around the reeling axle (3) in order to form a reeling nip (N) between the roller (1) and the roll (R). The roller (1) is inside a belt loop (2) laid against the periphery of the roll (R) within a given path length (L) after the reeling nip (N) formed between the roller (1) and the roll (R).

Abstract: In an apparatus and a method of producing a roll of bags, a feeding means is arranged to feed bags one by one to a winding station. The winding station includes a rotating spindle which is arranged to engage with each bag separately to wind the bag thereon, thereby building a roll of bags in which the bags are unconnected to one another yet firmly hold together. The apparatus can be of simple construction, which provides for low costs and little wear and tear. Further, there is little risk of inflicting damage to the bags. Additionally, the flow of separate bags can be directed between several sequentially operated winding stations, thereby allowing for high production rates.

Abstract: In an apparatus and a method of producing a roll of bags, a bag feeding device is arranged to feed bags one by one to a winding device. The winding device includes a rotating spindle which is arranged to engage with each bag separately to wind the bag on it, so as to build a roll of bags in which the bags are unconnected to one another yet firmly held together. The winding device comprises at least two separate winding stations, each winding station being connected to one or more bag feeding devices; and a switch that is arranged upstream of a bag feeding device to direct the bags from one winding station to the other when a roll of bags has been completed in one of the winding stations.

Abstract: When a sheet member or printing plate is closely held on a peripheral surface of a drum, no scratch is made on the peripheral surface, edges of the sheet member are held with certainty, and the sheet member is prevented from being partially lifted from the peripheral surface, thereby preventing deterioration of image quality. Since clamp portions are rotated in a direction in which they tension the sheet member due to a centrifugal force acting thereon, the sheet member is held in close contact with the peripheral surface. Further, since the clamp portions are disposed at one end portion in a width direction of the plate, gripper margins of the sheet member is reduced and an image-recordable area thereof can be increased.

Abstract: The invention relates to a strip winder (1) for winding a hot or cold strip (25) into a coil, comprising a winder mandrel (2), pressure rolls (6-8) which can be in the form of comb rolls (6′-8′) deflection cups (9-11), and a feed shaft (20). The aim of the invention is to improve a strip winder of this type so that a hot or cold strip (25) can be wound securely on the winder mandrel (2) even at high speeds and when the strip is thin. To that end, the deflection cups (9-11) have channels (18) whose outlet openings (19) are located in the cup area and the channels (18) are connected to a medium supply system.

Abstract: A reeled feed web is unreeled and passed through a set of slitting knives before the slit webs are rewound on rewind reels each carried by one of two differential or lock-bar shafts. The shafts are fixed in position and the slitting knives and rollers for handling the feed web and the slit webs are mounted on a movable carriage which can be traversed towards or away from the shafts. The carriage includes two mounting beams, parallel to the shafts, on which lay-on rollers can be mounted for guiding or laying-on slit webs onto respective rewind reels carried by the shafts. Variable predetermined torques can be applied to the rewind reels and the lay-on rollers, and the movement of the carriage controlled, to implement any of the following winding geometries; center winding, center winding with lay-on, surface winding, center surface winding and constant gap winding. The shafts are cantilevered so that reels can be unloaded from the ends of the shafts.

Abstract: A rewinder for rewinding a web into one or more rolls on separate cores, includes at least one rewinding mandrel having a distal end. The rewinder also has a supply device for supplying the web to the rewinding mandrel, and a drive device. The drive device can (a) rotate the rewinding mandrel in order to wind at least a portion of the web onto the rewinding mandrel, and (b) axially retract the mandrel to unload the portion of the web wound on the mandrel. Also included is a holder for holding the one or more rolls. The rewinder also has a lifter for (a) raising the holder to support the portion of the web wound on the mandrel, and (b) lowering the holder. This rewinding mandrel is rotated in order to wind at least a portion of the web onto the rewinding mandrel. The holder is then raised to support the portion of the web wound on the mandrel. Next, the mandrel is axially retracted to unload the portion of the web wound on the mandrel, before lowering the holder.

Abstract: A two-shaft linear motion type winder for winding up a sheet material, e.g. a film is provided, which can eliminate the occurrence of any mechanical loss by simplification of a transission device, shorten the path distance of the film upon roll changing, prevent the neck-in and wrinkling of the film and reduce vastly the roll changing cycle. It comprises at least a pair of upper-stage winding frames having holders for an upper winding shaft, suspended from an upper main frame to be slidingly movable back and forth in a given area; and a pair of lower-stage winding frames having holders for a lower winding shaft, disposed on a lower main frame to face upwards so as to be slidingly movable longitudinally in a given area.

Abstract: A process and a winding machine for winding up paper or cardboard utilizes a support roller with a compressible outer layer of at least 5 mm in thickness and a modulus of compression of less than 10 MPa and the contact pressure controlled so that the width of the nip has a minimum value which is a function of the speed with which the web is wound up.

Abstract: A rider roll arrangement adapted for use in a web winding device including at least one winding supported during winding, the rider roll arrangement including a rider roll for pressing against the one winding, the rider roll comprising a support beam and a plurality of weighting rollers mounted to the support beam. Each pair of the weighting rollers includes a bracket for mounting the roller on the support beam, and each weighting roller includes two end to end cylinder piston units that are connected to the bracket and that are located entirely within the respective roller.

Abstract: In a method and apparatus for controlling the winding density of film rolls, a desired and an actual winding density of a film roll are determined and compared with one another. The quantity obtained from the comparison is multiplied by an adapting or damping factor &agr;, and the control output resulting therefrom is adapted to the film contact pressure and the film pull. The values thus obtained are fed as manipulated variables to a contact pressure actuator and a pull actuator for the film.

Abstract: An apparatus for positioning a smoothing roll which is mounted so as to be displaceable by a cantilever arm against the reeling mandrel of a strip coiler and to be adjustable particularly with a roll changing head against the reeling mandrel with the use of a force application unit. The roll change head includes a swivel arm which can be swivelled in a joint and is drivable to carry out a swivelling motion, wherein a steel roll is mounted at the free end of the swivel arm in a bearing, and an adjusting arm supporting the smoothing roll is mounted at the free end of the swivel arm, wherein the adjusting arm includes a force-controllable adjusting system for adjusting the smoothing roll against the strip coiler or the outer tube surface thereof, and wherein the force application unit for displacing the cantilever arm is a distance-controllable adjusting unit.

Abstract: In winding machine for winding running webs of material, for instance paper webs or plastic foil, contact roller systems are known which have several roller segments arranged next to each other with their frontal sides, and which are supported to rotate freely and be perpendicularly movable with respect to their rotation axis. Each roller segment is held by a frame, which is supported to move perpendicularly to the rotation axis. Each frame of a roller segment comprises two lateral support plates extending parallelly to their frontal sides, whereby the neighboring support plates of two roller segments are arranged one above the other perpendicularly to the motion direction. The support plates can have deep annular grooves wherein the frontal faces of the roller segments can rotate free of touch.

Abstract: A press roll unit for a roll-up of a paper cutter has two adjacent rolls. A belt or plurality of belts is wound around the rolls to operatively interconnect them. An electric motor inside at least one roll drives the roll unit. The belt or plurality of belts have at least one aperture for cooling the electric motor and the roll surrounding it.

Abstract: The invention pertains to a load roll arrangement for loading a winding arrangement with one or several wound rolls on the same axis, during the winding of a web-like material, particularly paper, onto winding cores in a multiple-drum winder wherein support drums form a winding bed, in which the winding arrangement, rotating about its axis, is supported, with a support beam (60), vertically movable dependent upon the wound roll diameter, with a multipart load roll, consisting of a number of load rollers (42), which, individually with respect to the support beam (60), are vertically movable on a mounting arrangement and can be maintained in contact with the wound roll along a nip, with means for the fluid-like, particularly hydraulic, pressing of the load rollers (42) against the winding arrangement, and with an additional adjustment device, by means of which the mounting arrangements (50) of the individual load rollers (42) can be moved to different heights, independently of each other with respect to the sup

Abstract: A rider roller assembly includes a beam being translationally moveable substantially vertically relative to a paper web roll being wound. A rider roller in the assembly includes a plurality of rider roll wheels which are mounted to the beam and are individually pivotable so as to engage the wound roll along a nip line. A plurality of supporting arms are articulately linked with the beam for supporting and individually pivoting the rider roll wheels on a swiveling axis in relation to the beam. The individual rider roll wheels are individually loaded against the paper web roll. Double-acting piston/cylinder units are connected to the rider roll wheels for lifting or compensating the rider roll wheels.

Abstract: Winding device for winding material webs into winding rolls and process for winding material webs. The winding device includes a winding bed composed of at least two carrying rolls, including at least one driven roll, a roll support device having a core retainer and being positioned adjacent to at least one of the two carrying rolls and outside of the winding bed, and a winding roll adapted to be centrally supported by the core retainer. The process includes cutting a plurality of partial webs from a main web, and concurrently winding at least one of the partial webs into a first winding roll in accordance with a carrying roll principle and at least another one of the partial webs into a second winding roll in accordance with the support roll principle.

Abstract: Webs of paper or cardboard are rolled up using carrying or supporting rollers or pressing rollers with a hollow cylindrical body of a rigid material to which a deformable layer is applied. The deformable layer consists of a cellular plastic material partly with open pores and partly with pores which are closed on themselves and in which the pore size can be less than 5 mm. The compression modulus of the material is less than 10 MPa.

Abstract: Winding device and method for producing a web roll from a material web. The winding device includes a core being adapted to form a web roll, a core holder device, a core drive, a central roll, and a press roll arrangement. The press roll arrangement includes a web tension compensation roll and a mating roll positioned to contact the core at least at a start of winding. The method includes positioning a core in the core holding device, forming a nip between the core and the central roll, positioning a press roll arrangement against the core opposite the central roll, guiding the material web through the nip, and winding the material web onto the core to form a web roll.

Abstract: A veneer reeling apparatus for winding a veneer sheet into a veneer roll comprising a freely rotatable take-up reel around which the veneer sheet is wound into the veneer roll, and an array of spaced conveyer belts extending below the take-up reel for advancing the veneer sheet toward the take-up reel. Veneer sheet is transferred by the plurality conveyer belts which include two groups of such belts and extending below the take-up reel. Air cylinder is provided for each belt to provide a first force to urge the belt toward the take-up reel so as to keep the belt in resiliently pressing contact with the veneer roll. The air cylinders are operable to changeably provide the first force to one group of belts and a second force, which is smaller than the first force, to the other group of belts, and vice versa. A control is provided to effect alternate changing between the first and second pressures in the first and second groups of belts whenever the belts have moved a predetermined distance.

Abstract: A roll for selective use as either a support drum or as a rider roll in a winder for winding a traveling paper web into a relatively large diameter wound web roll has a body with an outer, elastomeric cover. The elastomeric cover includes a pattern, open to the surface, arranged such that the percent of volumetric void for a unit of cover volume is such that the effective hardness of the cover ranges between about 30 Shore “A” to about 55 Shore “A” where the roll is a support drum, and between about 40 Shore “A” to about 65 Shore “A” when the roll is a rider roll. In addition, the elastomeric material has an absolute hardness of about 65 Shore “A”, or less, for a support drum, and about 75 Shore “A”, or less, for a rider roll, and a Poisson's ratio of between about 0.47 to about 0.499.