Abstract: A conveying device includes a sheet conveyor configured to convey a medium in a conveyance direction of the medium, a sheet winder including a winding roller and a winding motor, and circuitry to control the sheet conveyor and the sheet winder. The circuitry is configured to convey the medium intermittently while repeating: causing the sheet conveyor and the sheet winder to convey the loosened medium by a predetermined conveyance amount; rotating the winding motor in a normal direction by a predetermined torque according to an outer winding diameter of the medium to apply a predetermined tension force to the medium; and rotating the winding motor in a reverse direction to loosen the medium by a predetermined slack amount. The circuitry is configured to determine the predetermined tension force according to the width of the medium intersecting with the conveyance direction of the medium.

Abstract: A substrate case includes a shaft portion around which a sheet-shaped substrate having a circuit area in which a circuit manufacturing process is performed is wound; and a cover portion that accommodates the substrate in the state of being wound around the shaft portion, the shaft portion having a holding portion that holds an area different from the circuit area at a winding start portion of the substrate.

Abstract: A method and a device for optimal use of windable material during winding up onto and/or unwinding from storage drums operates in conjunction with feeding to winding machines. The windable material can be a textile web, a fabric web, a wire or the like. A counterforce necessary for keeping the tension force acting on the windable material constant is maintained until all of the windable material has been fed into subsequent processing. The counterforce may be maintained by a connecting element that is connected to the windable material and to the storage drum, is able to be wound up, and is of lower quality than the windable material. In the device, controllable means generate the counterforce counteracting the tension force until all of the windable material has been drawn into the subsequent processing device.

Abstract: The invention relates to a wrapping device (300) for wrapping a band around a wound up roll (5?), characterised in:—a storage (301) for said band (303) to be wrapped around said wound up roll (5?),—a first conveyor (330) positionable adjacent said wound roll (5?), for conveying said band (303) to said roll (5?),—said first conveyor (330) comprising a cylindrical drum configured for rotation about an axis (W),—said drum (330) having a surface configured for receiving and transferring said band (303) to said wound up roll (5?) by a vacuum applied to said band (303) via apertures (331) formed in said surface.

Abstract: In a multiple endless belt type band sheet coiling tension applying apparatus in which a coiling tension is applied to slit band sheets a by a frictional force generated by slippage between belt pressing surfaces 4a, 5a and internal belt surfaces 1a of endless belts 1, a friction plate 8 made of a thin metallic sheet having heat conductivity equal to or better than that of the belt pressing units 4a, 5a is detachably installed on a front surface of each of the belt pressing units 4a, 5a.

Abstract: A metal wire feeder device including a body presenting a wire braking member, one or more pulleys driven by respective motors about which the wire is wound, the wire before reaching a processing machine passing through a compensator member and a tension sensor, an electronic control unit able to continuously measure the tension value and make it uniform at a predetermined value by acting on a first regulator loop operating on the motors and a second regulator loop operating on the compensator member. The electronic control unit operates automatically in making the tension uniform at the predetermined value, on the basis of the fed wire quantity or of the wire feed velocity.

Abstract: Tension spikes in a running web slit to direct output webs to respective upper and lower cutoff knives are minimized by anticipating the increased tension in the web when the lead edge enters an outfeed nip and offsetting the tension spike with a decrease in the tension from the infeed pull roll nip, whereby the sum of the web tensions is substantially uniform through the cutting cycle and the sheets are cut to a consistent length.

Abstract: A sheet material supplying device includes a tension detection device that detects tensions at both end portions of the unprocessed sheet material in a widthwise direction of the sheet material; an engaging roller that engages the sheet material at a location that is upstream of the processing section in a path of the sheet material that is drawn out; a supporting mechanism that supports both end portions of the engaging roller and that is displaceably supported with respect to the frame such that an axis of the engaging roller is tiltable in a direction that crosses a sheet surface of the sheet material with which the engaging roller engages; an actuator that is connected to the supporting mechanism and that displaces the supporting mechanism; and a drive control device that controls driving of the actuator on the basis of the tensions detected by the tension detection device.

Abstract: A method of and apparatus for the rapid deployment of a fracturing water transferring system, along with the rapid picking up and storage of such system after use. In different embodiments the method in includes the use of a tensioning system to retrieve one or more segments of lay flat hose.

Abstract: A dancer roller apparatus is disclosed. The apparatus includes a dancer roller; a drive motor; and a dancer roller position changing unit, wherein the dancer roller position changing unit is provided with a one way clutch which allows the dancer roller to move in a long object slack direction, and wherein the drive motor is caused to rotate in a direction such that the dancer roller moves the one way clutch in a long object stretching direction during conveying of a long object.

Abstract: A dispenser expands paper web material by controlling the tracking of off-winding paper and holding it in place. Pulling the paper from one direction expands it in all directions simultaneously. The dispenser has a base, a mast, a cantilevered axle that holds a roll of cut paper web material for off-winding, and a roller assembly that controls the tracking of the off-wind paper web material and holds it in place. Advantageously, upon being pulled in one direction, the paper web material expands in all directions simultaneously in an efficient and reliable manner.

Abstract: A method of and apparatus for the rapid deployment of a fracturing water transferring system, along with the rapid picking up and storage of such system after use. In different embodiments the method in includes the use of a tensioning system to retrieve one or more segments of lay flat hose.

Abstract: An image recording device includes: a conveyor unit for conveying a recording medium; a drum for rotating under force of friction against the recording medium being conveyed by the conveyor unit, the recording medium being wound around the drum; and a recording unit for recording an image onto a portion, wound around the drum, of the recording medium being conveyed by the conveyor unit; the conveyor unit starting the conveyance of the recording medium in a state where a first tension has been applied to the recording medium, but executing a switching operation for switching the tension applied to the recording medium after the conveyance of the recording medium has been started, to a second tension that is lower than the first tension.

Abstract: The present invention relates to an unreeling assembly, particularly for labeling devices, comprising a supporting frame for at least two reels of continuous film which are supported by a respective reel support, which can be actuated to rotate about an unreeling axis of the reel by a respective servomotor, and a motorized traction drum, which is designed to unreel the continuous film from one of the at least two reels of continuous film, between the reel of film being unreeled and the traction drum there being at least one element for tensioning the continuous film, the tensioning element being movable, with respect to the supporting frame, along a respective movement path, characterized in that it comprises control elements which operate on the servomotor and are adapted to control the position of the tensioning element along the respective movement path.

Abstract: A method for operating a winding device of a processing machine for processing a material web is disclosed. A winding device is provided for winding or unwinding the material web. The winding device is operated to specify a web tension, wherein a switch occurs from a first web tension specification procedure to a second web tension specification procedure during the processing of the material web.

Abstract: A transport device that includes a PF motor (that drives a PF roller which transports roll paper) and an intermediate motor (that drives an intermediate roller disposed on the upstream side of the PF roller), sets a slack removal force when transporting the roll paper so that the force applied to the paper in a direction opposite to the transport direction of the roll paper is larger as paper width of the roll paper is narrower, sets a slack removal torque as a torque to be outputted from the intermediate motor in accordance with the set slack removal force, and controls the driving of the intermediate motor to output the set slack removal torque. This makes it possible to cause the tension of the roll paper to be uniform regardless of the paper width so as to transport the roll paper precisely.

Abstract: A web tensioner, a web slitter, a method of tensioning a web, and a method of slitting a web are provided. A corrugated edge nip is used in the tensioner, the slitter, and the methods of tensioning and slitting. The corrugated edge nip can provide a crossweb tension to a suspended web or film in a web line. The corrugated edge nip can be used in conjunction with, for example, a rotary shear slitter to improve slit edge quality.

Abstract: Embodiments of the present invention are related to a media transport assembly for printers, such as a kiosk printer. The media transport assembly may comprise a biased guide roller structured to dampen media tension shocks, discontinuities, or variations. Other embodiments of the present invention may also provide a media transport assembly configured to allow increased flexibility in media supply roll mounting and for easy loading and threading of the media.

Abstract: A number of closely notched slits 35 of a predetermined depth which have fine convex portions of the surface of each band sheet bitten thereinto and which are pulled to the convex portions and deformed to form cavities to generate negative pressure are provided at predetermined intervals over the entire peripheral length of the endless belt, over the entire width of the belt in a width direction to a longitudinal direction of the endless belt, on the outer surface 31a of the endless belt 3, touching each band sheet 4, which is constructed by laminating an outer surface layer 31 and an inner surface layer 33 using at least two-layer different materials.

Abstract: An apparatus of correcting belt-meandering for a secondary battery is disclosed. In one embodiment, the apparatus includes i) upper and lower rollers configured to receive a base material therebetween, wherein the base material comprises positive and negative electrode materials and an insulating material interposed between the electrode materials and ii) a driver portion configured to rotate the upper and lower rollers such that the base material is transferred in a first direction during the rotation. The apparatus may also include i) a support portion configured to support shafts of the driver portion and the upper and lower rollers and ii) a transverse moving mechanism configured to move the support portion in a second direction substantially perpendicular to the first direction.

Abstract: A device for compensating variations in tension and/or for adjusting the tensile stress on a conveyed flexible metal material strand, in particular a metal strip, having at least one movable dancer roll which can be wound around by the material strand. At least one dancer roll can be displaced along a path inclinable to the perpendicular, wherein the inclination angle of the path can be adjusted by means of an adjustment unit.

Abstract: The present invention relates to a transfer device that can feed a work in a stable condition without applying it any excess loads. The transfer device for feeding a tape-shaped work to a process stage standing in an upright position, which is placed on one side of the process stage and which includes a supply reel, a take-up reel and a work feeding mechanism. Specifically, the supply reel, around which the work and a protective sheet are wound, is adapted to feed the work and the protective sheet therefrom. The take-up reel is adapted to wind the work and the protective sheet that have been fed from the supply reel, and it is located below the supply reel. The work feeding mechanism is adapted to forward the work from the supply reel to the take-up reel through the process stage.

Abstract: A method for feeding a yarn (F) under constant tension to a yarn processing point of a textile machine (T) distant from spool (2) or equivalent support from which the yarn (F) unwinds, the tension of said yarn (F) being controlled in proximity to the spool (2) such that this parameter is monitored and controlled immediately after the yarn (F) has been unwound from the spool (2), the yarn (F) fed to the textile machine (T) cooperating, before reaching said processing point on the machine (T), with a series of thread guide elements (8) which modify the tension of the regulated tension. A second tension control is effected in proximity to the textile machine (T), said control being used for further adjustment of the tension of the yarn (F) in proximity to the spool (2) to hence regulate the tension of the yarn (F) entering the machine (T) to a predetermined constant value.

Abstract: A device for controlling the feed of a yarn to a textile machine operating intermittently on the yarn, there being provided elements to sense the tension of the yarn and elements for measuring and modifying its feed speed, all connected to control and regulator elements for the tension and speed parameters, which continuously measure the values of both parameters during the feed of the yarn to the textile machine so as to act on a rotary member in order to modify the tension of the yarn when necessary. The rotary member is movable in a controlled manner in the two opposing directions of rotation to feed the yarn to the textile machine or to rewind it in order to prevent its accumulation in correspondence with the machine, the tension of the yarn fed or rewound being maintained at constant values.

Abstract: A device for controlling the feed of a yarn to a textile machine operating intermittently on the yarn, there being provided elements to sense the tension of the yarn and elements for measuring and modifying its feed speed, all connected to control and regulator elements for the tension and speed parameters, which continuously measure the values of both parameters during the feed of the yarn to the textile machine so as to act on a rotary member in order to modify the tension of the yarn when necessary. The rotary member is movable in a controlled manner in the two opposing directions of rotation to feed the yarn to the textile machine or to rewind it in order to prevent its accumulation in correspondence with the machine, the tension of the yarn fed or rewound being maintained at constant values.

Abstract: A number of closely notched slits 35 of a predetermined depth which have fine convex portions of the surface of each band sheet bitten thereinto and which are pulled to the convex portions and deformed to form cavities to generate negative pressure are provided at predetermined intervals over the entire peripheral length of the endless belt, over the entire width of the belt in a width direction to a longitudinal direction of the endless belt, on the outer surface 31a of the endless belt 3, touching each band sheet 4, which is constructed by laminating an outer surface layer 31 and an inner surface layer 33 using at least two-layer different materials.

Abstract: A web guide control for guiding a web, the web guide control having a first guide roller (201) and a second guide roller wherein the first guide roller (201) comprises an adjustment unit (310), the second guide roller comprises a tension measurement unit (300), and the web guide control comprises a data connection for supporting the adjustment unit with tension data from the tension measurement unit.

Abstract: A web-handling apparatus includes at least one guide roller assembly having an inner, cylindrical core, and an outer layer affixed thereto. Notably, the outer layer of the roller assembly comprises resiliently deformable material, with polyurethane foam having proven to be particularly suitable for this application. By this arrangement irregularities in an associated film web, such as in the form of side gussets and/or zipper fastener assemblies, are readily guided by the roller assembly while avoiding wrinkling or other stress of the associated film web.

Abstract: The present invention is a laminate media, in the form of a continuous strip of carrier-less, pre-cut plastic patch protections, connected by perforations. The invention further describes both a method for separating the patches from each other by stressing the perforated patch area without stopping the driving process and a cassette within which the separation process occurs.

Abstract: A drum brake (1) having a rotatably journalled drum (2) and means for adjusting the torque applied to the drum (2) has several peripherally-extending take-up slots (4) for filaments (5) with the slots being spaced from each other in the direction of the drum axis (X). With such an arrangement, a plurality of filaments can be adjusted to constant filament tensions simultaneously.

Abstract: It is an object of this invention to eliminate the necessity of using pulleys which will bring about cost increase, trouble and reduction of service life, and give rise to the positional irregularity of the coil edge. Two sets of endless belts 1 are disposed one above the other, each set of endless belts being laterally arranged side by side. Pressure applying members 2 and 3 which hold each the endless belts 1 in a state that the endless belts freely circulate in an oval shape state, press the inner surfaces 1a of the endless belts 1, and are passed through the inner part of the endless belts 1. Each pressure applying member 2 (3) includes at least a belt pressing part 21 (31) which has a linear shaped side surface for directly pressing the inner surfaces 1a of the endless belts, and belt reversing parts 23 (33) being arcuate in cross section.

Abstract: During the installation of a catenary cable of a catenary of a track, the catenary cable is pulled from a storage drum, on which it is wound, and guided over winch wheels of a friction winch while being held under tension. From there, the catenary cable is passed onto a mounting roller with a pull-off resistance producing an installation tension. The pull-off resistance is created by the friction winch and counteracts a pull-off force of the catenary cable. Between the winch wheels of the friction winch, the cable tension is gradually increased up to the pull-off resistance.

Abstract: A turning bar assembly rotatably disposed adjacent a web of material moving at an operational speed in a web forming device has a turning bar for changing a direction of the moving web. Moreover, the turning bar is controllably rotated 360 ° against the moving web to prevent dust accumulation and dust clumping on the turning bar.

Abstract: It is an object of this invention to eliminate the necessity of using pulleys which will bring about cost increase, trouble and reduction of service life, and give rise to the positional irregularity of the coil edge.

Abstract: Method for reducing the tension of wires during a process for production of a strand using said wires, comprising the steps of unwinding at least one wire (1) from a supply reel, feeding the unwound wire (1) to a stranding machine which pulls the wire, winding it onto a take-up reel (31) at a predetermined winding speed, said at least one wire being subjected to a pulling/pushing action in the same sense as the direction of feeding thereof, along the section of the travel path between the supply reel and the point of entry into the stranding machine.

Abstract: A device for regulating the tension of a moving web of material, in particular a web of paper in a paper-working machine such as a corrugating machine, comprises a machine frame; a first roller that is mounted for rotation about a first axis of rotation in relation to the machine frame, taking up a web of material by an angle of contact a; and a supporting device, which supports itself on the machine frame, and which is mounted for pivoting about the first axis of rotation by a pivoting drive, and which supports at least a second roller mounted for rotation about a second axis of rotation that is substantially parallel to the first axis of rotation; wherein the angle of contact a of the web of material on the first roller is modifiable by the at least one second roller being pivoted about the first roller.

Abstract: A reel device includes a housing, a spool, a cable guiding unit, and a cable. The housing has a pair of spaced-apart lateral side wall sand a cable winding space formed between the lateral side walls. The cable winding space has a rear opening. The spool is disposed transversely between the lateral side walls, and is mounted rotatably on the side walls. The cable guiding unit is mounted on the housing, and is disposed in the cable winding space adjacent to the rear opening. The cable is wound on the spool, and has a distal end extending rearwardly through the cable guiding unit. The cable guiding unit includes a cable engaging member which is operable to move between an engaging position, in which the cable guiding unit applies a friction force on the cable so as to retard movement of the cable relative to the cable guiding unit, and a disengaging position, in which the friction force is released such that the cable guiding unit ceases to retard movement of the cable relative to the cable guiding unit.

Abstract: In a device for loading film (3) on machines for wrapping groups of products, there is an area (H) designed to allow the free passage of the film (3) and located between a drive carriage (4) and one end (6a, 7a) of each of the film (3) feed rollers (6, 7). This area is defined by an extension of each roller (6, 7) and is tapered in relation to the circumference of the rollers. The film (3) can pass freely when it has a narrow configuration, in the form of a tongue (C), and when the free end (3a) of the film (3) is inserted and fed along a path (P) parallel to an original feed path. In the area (H) there are means (8) on which the tongue (c) can slide and which guide the tongue onto the contact and sliding surfaces (6s, 7s) of the rollers (6, 7). The invention also concerns a method for loading the film (3).

Abstract: A device for compensating length variations of tensioned cables, with a substantially constant tension, including a contrast element, which is meant to be interposed between one end of the tensioned cable and an anchoring element and is adapted to generate an elastic reaction which can vary as a function of the length variation of the cable. The device includes elements for connecting the contrast element to the cable which are suitable to convert the elastic reaction of the contrast element into a substantially constant tension applied to the cable, regardless of its length, over a preset length variation range.