Abstract: A handling bar for laminated or film supports, such as paper, is disclosed, including a hollow tubular body provided with an inner cavity and an outer side surface, a plurality of through holes, arranged on the tubular body to put the inner cavity in contact with the outer side surface. The handling bar also includes at least one connection to a compressed air source or a suction device, where the connection is shaped for the inflow of compressed air or to suction air into the cavity and at least one filtering element arranged inside the tubular body where at least at one portion of the holes filters the air passing between the inner cavity and the holes.

Abstract: A fixer includes a fixing roller around which a recording medium is directed such that the print image to be fixed faces toward the shell surface of the fixing roller. A fixing gap is generated with a gaseous fixing medium between the shell surface of the fixing roller and the recording medium. This advantageously produces an efficient and gentle fixing of the print image.

Abstract: A printing system and a method for printing a plurality of images on a first web and on a second web are disclosed. The printing system includes a print head, a feed unit for feeding both the first web and the second web simultaneously to the print head in a feed direction relative the print head, a wrap up unit for wrapping up both the first web and the second web simultaneously to form a first output roll and a second output roll respectively, a user interface configured to set a printing arrangement of the plurality of images on the first web and the second web and to input the print head, the feed unit and the wrap up unit for performing printing according to the printing arrangement by ejecting marking material on the respective webs. The printing system includes a prediction module for predicting a first diameter of the first output roll and a second diameter of the second output roll based on the printing arrangement.

Abstract: In order to provide web handling which mitigates marking of the web, externally-pressurized porous media gas bearings are used for vacuum rollers, which provide differential tension, and also for air turns, which provide non-contact turning of webs. The porous media gas bearings mitigate three of the biggest issues with the current technology, including cost, high flow rates and low pressure, and web marking. By introducing positive pressure or both, various configurations are presented which allow for improved differential tension, or non-contact conveyance. By also employing externally-pressurized radial bearings, more alternatives are provided, including conveyance and lateral motion of webs without the use of motors. Lastly, employing novel lightweight materials allows for yet other configurations which also employ some of the same aforementioned benefits.

Abstract: A manufacturing facility is provided for manufacturing a product on a foil (FO). The manufacturing facility comprises a deposition zone (10) formed by a clean room wherein at least a first and a second deposition facility (21, 22) are arranged for depositing a layer of a material on the foil. The manufacturing facility further comprises at least one processing facility (31) for processing the deposited layer, said processing facility being arranged outside said deposition zone and comprising a processing trajectory with a first path (31a) away from said deposition zone, towards a turning facility (41) and with a second path (31b) from said turning facility back towards said deposition zone.

Abstract: A system and method for printing on a continuous web of imaging material in an inkjet printing machine having a turnbar reverser to reverse the direction of the web for duplex printing. The turnbar reverser includes at least one turnbar having a predetermined pattern of apertures formed in a surface of the turnbar. The optimized apertures direct a flow of air provided by a blower to provide an air flow to float the web above the surface of the turnbar, allow for higher operating tensions, and reduce acoustic noise generation.

Abstract: A turn-bar for adjusting orientation of a web includes a plurality of roll bars. Positions of at least two bars of the plurality of roll bars are movable with respect to a direction of travel of the web. An orientation of the web passing through the bars may be changed by adjusting a position of the at least two bars without removal of the web from the turn-bar. A method of selectively inverting or not inverting a web includes changing a position of at least two roll bars of a turn-bar apparatus with respect to a direction of travel of the web, where the web is not inverted by the turn-bar apparatus when the at least two roll bars are in a first position, and the web is inverted by the turn-bar apparatus when the at least two roll bars are in a second position.

Abstract: A device for manufacturing a product from strip tape includes a roll that draws off and separates a web of material. The web of material is severed into individual strips in cooperation with a multiple circular knife roll. A vacuum conveyor channel is associated with each strip. The vacuum conveyor channel is designed such that each strip is turned on its way to the channel or through the channel by about 90°. The end of the vacuum conveyor channel brings the strips together at one site to form a unit and at that site there are provided a guide and a transport device for the further transport to conversion equipment.

Abstract: According to aspects of the embodiments, there is provided an apparatus and method to provide a modification of the paper path in an image forming system including a plurality of printing modules, and having a simplex mode that an image is formed on a front surface of a continuous medium, and a duplex mode that an image is also formed on a rear surface of a continuous medium, the image forming system further comprises a bidirectional urge unit added in the middle of the paper path tunnel. Placement of a bidirectional urge unit allows the continuous medium to be transported in two directions.

Abstract: An unwinding device (10) is described for unwinding rolls (12, 14) of one-ply or two-ply web-like material (24). The device (10) comprises: a support group for sustaining a first roll (12) and a second roll (14), the support group being composed of a support pin (16) for each roll (12, 14), the support pins (16) being bound on two opposite sides of a vertical column (18) made integral with the base (20) of the unwinding device (10); an unwinding mechanism (22) for each roll (12, 14), adapted to unwind the web-like material (24) from the rolls (12, 14); a joining mechanism (26), adapted to join specific web-like material portions (24) together that respectively come from the first roll (12) and from the second roll (14).

Abstract: An apparatus and method for unwinding a roll of web material are disclosed herein. The web material is unwound from the roll and the machine direction of motion of the web is altered without creating a problematic span of web material. A value analogous to the tension of the web material is determined. The speed of the web is adjusted according to the analog of the tension of the web. The apparatus can comprise an unwind stand to rotate the roll, and a means for altering the direction of travel of the web material. The apparatus further comprises a means to determine an analog of the web material tension and a means of controlling the speed of the web according to the analog of the web tension. The web material is routed to a downstream process.

Abstract: A device and method are provided for continuously manufacturing a thermoplastic resin film product of any width having a small film thickness and uniform flat surface at an excellent yield. A tubular resin film cutting and winding device for cutting a tubular resin film 1a into a helical shape and winding a long film 1b, comprising a cutting device having a cutting member 2 for cutting a tubular resin film 1a; a winding device 4 for winding the cut long film 1b; and a guide rollers 3 for guiding the cut long film to the winding device, wherein the cutting member 2 and the guide rollers 3 have a mechanism for rotation in the circumferential direction of the tubular resin film.

Abstract: An air bar for guiding a web is provided. The air bar includes a body having holes formed therein, a first plug inside of the body and a second plug inside of the body. The first and second plugs define a cavity inside of the body. The air bar also includes an adjusting device for selectively moving the first plug and the second plug independently of one another.

Abstract: A system and method of modulating tape tension during operation of a tape drive data storage system in which a fixed position tape guide utilizes one or more drag elements to exert a control force on a tape medium that affects downstream tape tension. Drag elements that may be used include, but are not necessarily limited to, air ports that delivery positive or negative air pressure to the tape medium, skiving edge elements that are positionable into and out of engagement with the tape medium, and brakes or motors that engage the tape guide (if it is rotatably mounted) to control its rotational torque. A tension control circuit is used to vary the operation of the one or more drag elements. Signal inputs to the control circuit are provided by a tape tension sensor adjacent to or incorporated in the tape guide.

Abstract: A turner bar for a rotary press for deflecting a substrate web in two web running directions is acted upon by pressurized air. The turner bar includes at least one inner tube and one outer tube, which have air discharge holes assigned to one another to produce an air cushion above the turner bar. The inner tube can be adjusted relative to the outer tube, so that the air discharge holes can be closed in such a way that the air cushion is adapted to the margins of the substrate web. It is thus possible to use the turner bar in both web running directions.

Abstract: The invention describes a deviation device (8) for a film web (7), which deviation device comprises at least one deviation element (9, 10, 12), which operatively interacts with the film web (7) at the point of deviation (13) of the film web (7) and guides the film web (7) on an air cushion. The invention is novel and involves an inventive step in that the deviation element (9, 10, 12) can be rotated and comprises a drive device, which sets the deviation element (9, 10, 12) into rotation so that the peripheral speed of the deviation element (9, 10, 12) differs from the transport speed of the film web (7).

Abstract: Apparatus for transferring a foil matter from outside to inside of a machine. The apparatus has a longitudinal axis. The machine includes a frame comprising a first wall and a second wall. A window in the second wall. The outside and inside areas are separated by the first wall. The foil matter is held at a level of use outside by a first idling roller arranged in a frame. The device guides the foil matter so that its transfer from outside to inside is effected by at least one progressive turning of this foil matter around a second idling roller during passage of the foil matter through the window. The second roller intersects an edge of the window. The foil matter passes over a third idling roller angled with respect to the second one and to reoriented the foil matter along the longitudinal axis of the machine.

Abstract: The invention relates to a guiding device for a continuous paper sheet comprising at least one guiding element which is disposed downstream with respect to an application group and used in the form of an air circulating channel in order to ensure a contactless guiding in a machine producing and/or processing a continuous material sheet, in particular a paper or paperboard sheet. Said guiding element consists of a guiding surface made at least partially of an air-permeable porous material which is exposed to a compressed air pressure in such a way that air can circulate therethrough, thereby forming an air cushion between said guiding surface and a moving material sheet.

Abstract: A web control device is provided as a generally cylindrical hollow bar having a plurality of holes disposed thereon. Each of the plurality of holes is capable of providing fluid contact between the central portion and the outer portion of web control device. The web control device provides contact-less support of a moving web material and can reduce the Poisson lateral contraction in a moving and/or tensioned web material without wrinkling or significantly stretching the moving web material.

Abstract: A turning device uses a turning bar for diverting a material web. The turning bar includes a sleeve with a plurality of holes and an inner chamber that is supplied with compressed air, as well as a closing body. The turning bar is supported by a frame and is able to pivot through 90°. The closing body is movable within the inner chamber in response to this pivoting movement of the turning bar. Movement of the closing body closes one of two groups of the holes, depending on the position of the turning bar. The turning bar is connected to the frame at only one end and is supplied with compressed air through a joint connecting the turning bar to the frame.

Abstract: A device for deflecting a web has at least one turning bar (1; 2) that can be shifted. A first turning bar holding device (11a, 11b; 11a, 11b, 11c) is connected with an axial end of the turning bar. A second turning bar holding device (12) is connected with the other axial end of the turning bar. A first guide is provided, along which the first turning bar holding device (11a, 11b; 11a, 11b, 11c) is guided movably. A second guide (22) is provided, along which the second turning bar holding means (12) is guided movably. An adjusting device (19, 20) is provided, by which at least one (11a, 11b; 11a, 11b, 11c) of the turning bar holding means is adjustable along its guide (21) in order to position it (11a, 11b; 11a, 11b, 11c) for shifting the turning bar (1; 2).

Abstract: A turning bar is used to turn a web of material. The turning bar includes an outer jacket that is provided with holes on at least one section of its circumference. An inner chamber of the turning bar is provided with compressed air. A piston is arranged in the inner chamber and is movable to block selected ones of the holes. A motor is used to move the piston via a control signal provided by a control circuit. The turning bar can be pivoted by 90° on a frame around a pivot axis that is perpendicular to a longitudinal axis of the turning bar. A transmission couples a rotational movement of the piston around the longitudinal axis to a pivoting motion of the turning bar.

Abstract: A guiding roller, that is used to turn a web of material, has a jacket surface provided with holes over at least a portion of its periphery. An inner surface of the guiding roller is provided with compressed air. A piston is axially displaceable in the roller inner surface and can occlude selected ones of the holes. A motor is provided for displacing the piston in response to a control signal supplied by a control circuit. The guiding roller is pivotally supported by a frame and can pivot through 90° about a pivot axis which is perpendicular to the longitudinal axis of the roller. A gear mechanism couples a rotational movement of the piston about the axis to the pivotal movement of the guiding roller.

Abstract: A turning bar for contactless guidance of a tubular film web moved at a loop angle around the turning bar, including a support tube with a hollow interior, which can be connected with a compressed air source. The support tube has a plurality of air outlet openings which communicate with the interior and are spaced apart from each other, substantially over an entire width of the support tube within an angular area of the support tube corresponding to the loop angle of the tubular film web. An air-permeable microporous layer is applied to the exterior of the support tube and forms the surface of the latter, through which the compressed air exiting the air outlet openings of the support tube can flow. The compressed air exits the microporous layer as a laminar air flow, which forms a laminar air cushion between the turning bar and the tubular film web. An angular area in which the air outlet openings are formed in the support tube is increased with respect to the loop angle of the tubular film web.

Abstract: A reversible angle bar device for a web printing press having a web with an entering web centerline has a support, a first angle bar portion angled with respect to the first entering web centerline on a first side of the entering web centerline, and a second angle bar portion angled with respect to the entering web centerline and being located on a second side of the entering web centerline opposite the first side, the first and second angle bar portions being fixed to the support. A moveable angle bar portion is selectively attachable to either the first angle bar portion or the second angle bar portion.

Abstract: The present invention is directed to an angle-bar arrangement for deflecting material webs on an angle-bar jacket (1) which is provided with a plurality of air outlet openings (2). Closing elements (6), which seal off respective air outlet openings (2), are movably accommodated in the angle-bar jacket (1). Compressed air enters into the hollow space bounded by the movably accommodated closing elements (6). The movable closing elements (6), whose outer contour (7) corresponds to the inner wall (3) of the angle-bar jacket (1), are driven independently of one another by actuators (18, 20).

Abstract: A method and apparatus for unwinding a vertically oriented roll of web material is disclosed. The roll comprises a lower surface, an upper surface and a circumferential surface. The apparatus comprises: at least one drive element adapted to rotate the vertically oriented roll, a sensor adapted to measure a tension of the web, and a controller adapted to adjust a speed of the web according to the tension of the web. The method comprises steps of rotating the roll, determining a desired web tension, and adjusting the speed of the roll according to the desired web tension.

Abstract: A method and apparatus for unwinding a vertically oriented roll of web material is disclosed. The roll comprises a lower surface, an upper surface and a circumferential surface. The apparatus comprises: at least one drive element adapted to rotate the vertically oriented roll, a sensor adapted to measure a tension of the web, and a controller adapted to adjust a speed of the web according to the tension of the web. The method comprises steps of rotating the roll, determining a desired web tension, and adjusting the speed of the roll according to the desired web tension.

Abstract: An air bearing system for a tape transport (10) including air bearing (322) having portions (360 and 370) providing different flow rates of air to support the tape.

Abstract: The device for the control of blowing air is connected to a compressed-air source and it includes at least one outflow orifice. The device has a valve element which is moveable into a first position in which blowing air flows from the compressed-air source at least through a first duct to the outflow orifice and which is moveable into a second position in which blowing air flows from the compressed-air source at least through a second duct to the outflow orifice. A volume flow through the second duct is greater than a volume flow through the first duct. The device is formed as a basic body which is constructed in such a way that a plurality of such basic bodies can be assembled to form a blowing-air body, such as a turner bar in a printing machine.

Abstract: An inverting transfer apparatus for continuous web substrate, such as may utilize a single printing system including a conventional or existing simplex web-fed xerographic print engine.

Abstract: A device for pickling or cleaning rolled steel strip which is moved in the form of loops through several pickling and cleaning containers arranged within a treatment line, wherein at least one strip side is subjected tot he action of a pickling or cleaning medium. For this purpose, squirting or spraying units are provided which can be switched on or off and/or are adjustable with regard to their spraying width and/or are operated with controllable squirting or spraying pressure and/or volume flow. Deflection rolls for deflecting the strip are arranged before and after the treatment line for deflecting the strip out of the horizontal strip running plane into an upright vertical strip running plane and vice versa, wherein the deflection rolls are elevated or slanted relative to the horizontal strip running plane.

Abstract: A device for contact-free guidance of a web material over a surface element whereon a first longitudinal fold is formed in the web material, the surface element decreasing in width continuously from a top crossmember to a bottom crossmember, and being defined by boundary elements, the surface element and the boundary elements having gaseous medium provided therein, includes an adjustable closure element for varying, in accordance with a respective format of the web material guided over the surface, a flow of a volume of the gaseous medium from an air cushion formed beneath the web material; a device for forming the first longitudinal fold; and an angle-bar superstructure and a web-processing rotary printing machine, respectively, including the fold-forming device.

Abstract: A web-processing apparatus comprises a dryer with air-turn apparatus for flotatingly supporting a web and, preferably, for changing a direction of web movement. The air-turn apparatus may be used in the web dryer or with other suitable web-processing equipment, particularly in applications where a coated web side faces the air-turn apparatus. Preferred forms of the air-turn apparatus comprise a body having an outer surface defining a web flotation zone facing a coated side of the web and a plurality of openings in the body positioned along the web flotation zone. An air-conducting conduit provides pressurized air to the body and body openings thereby forming an air cushion at the web flotation zone on which the coated web is flotatingly supported without contacting the body.

Abstract: Air turn for supporting and optionally drying a web, comprising an arcuate surface having a plurality of apertures formed therein. Pressurized gas is supplied to the air turn plenum, and exits through the plurality of apertures to form a cushion of air to float the web. Turn angles of about 90° to about 300° with no contact to the web are achievable with the apparatus of the present invention. The unique semi-circular design allows for non-contact flotation and turning of a tensioned web with low pressure requirements, reduced air spillage and reduced noise level. Multi-chamber turns can be used with each section having independently controlled pressurized gas.

Abstract: The invention comprises improved web-processing apparatus. The web-processing apparatus comprises an improved dryer with air-turn apparatus for flotatingly supporting a web and, preferably, for changing a direction of web movement. The air-turn apparatus may be used in the web dryer or with other suitable web-processing equipment, particularly in applications where a coated web side faces the air-turn apparatus. Preferred forms of the air-turn apparatus comprise a body having an outer surface defining a web flotation zone facing a coated side of the web and a plurality of openings in the body positioned along the web flotation zone. An air-conducting conduit provides pressurized air to the body and body openings thereby forming an air cushion at the web flotation zone on which the coated web is flotatingly supported without contacting the body.

Abstract: The problem to be solved by this invention is a conventional printing web position adjusting apparatus poses a problem in which angularly displacing means having excellent accuracy is difficult to install, large power is needed, fabrication cost is high, an adjustment result cannot be detected since a side edge position is detected on an inlet side of the apparatus and space saving cannot be achieved. A printing web position adjusting apparatus for adjusting a side edge position of printing web to a previously,determined position based on an output signal of an edge sensor provided on a downstream side of the apparatus by angularly displacing integrally two of guide bars provided between two guide rollers orthogonal to a travelling direction of printing web and in parallel with each other and respectively having different angular displacement centers arranged such that printing web is made to wrap over substantially 180 degree of peripheral faces thereof while maintaining parallelism therebetween.

Abstract: An air-bearing apparatus for aiding in conveying a web is taught comprising a central web support housing including a cylindrical surface and two sides. There is an end cap positioned adjacent each of the two sides, the end caps and the central web support housing defining at least one plenum therein. The central web support housing is provided with a plurality of bores extending from the at least one plenum to the cylindrical surface, the plurality of bores forming at least one row of air jet orifices in the cylindrical surface wherein each bore is directed approximately parallel to a cylindrical axis of the central web support housing with adjacent bores being oppositely directed, the at least one row of air jet orifices extending around at least a portion of the circumference of the cylindrical surface over which the web travels.

Abstract: The present invention is directed to an angle-bar arrangement for deflecting material webs on an angle-bar jacket (1) which is provided with a plurality of air outlet openings (2). Closing elements (6), which seal off respective air outlet openings (2), are movably accommodated in the angle-bar jacket (1). Compressed air enters into the hollow space bounded by the movably accommodated closing elements (6). The movable closing elements (6), whose outer contour (7) corresponds to the inner wall (3) of the angle-bar jacket (1), are driven independently of one another by actuators (18, 20).

Abstract: In a web transporting apparatus that transports a web while floating the web by jetting air from jetting holes formed in a transporting surface to the web, edge rollers that is rotatable and supports edges of the web are provided at both ends of the transporting surface. The web is transported while the edges of the web are supported by the edge rollers, and thus a floating amount of the web can be kept. Also, the supplied air can be prevented from escaping from a space between the transporting surface and the web through the edges of the web, and the web can be stably floated and transported with little air.

Abstract: The invention relates to an apparatus for continuously reeling a paper web, especially a high-gloss magazine paper web, around a reel spool. The apparatus comprises means for guiding the paper web towards the reel spool, means for winding the paper web around the reel spool to form a paper roll, and means for positioning the paper web on the roll in different axial positions with respect to said reel spool. The means for positioning the paper web on the roll in different axial positions comprises oscillating means provided for an oscillating movement of the reel spool in cross direction of the paper web.

Abstract: A device for contact-free guidance of a web material over a surface element whereon a first longitudinal fold is formed in the web material, the surface element decreasing in width continuously from a top crossmember to a bottom crossmember, and being defined by boundary elements, the surface element and the boundary elements having gaseous medium provided therein, includes an adjustable closure element for varying, in accordance with a respective format of the web material guided over the surface, a flow of a volume of the gaseous medium from an air cushion formed beneath the web material; a device for forming the first longitudinal fold; and an angle-bar superstructure and a web-processing rotary printing machine, respectively, including the fold-forming device.

Abstract: A combination flexible web roller guide assembly and an integral centrifugal pump (fan) functional device located inside the roller's outer surface where an air bearing flexible web support Hydrostatic air film is created upon the roller guide's exterior circular surface. The air bearing film is created when a web is mounted onto the roller's exterior surface with web tension applied and the roller's Outer Tube is rotated by some external means. This results in a web support device that possesses the advantages of roller guides AND air bearings, and none of their disadvantages. A highly reliable mechanical device is obtained simply by the incorporation of centrifugal fan-like vanes and an air path from the atmospheric exterior, to inside the outer tube of the roller into spaces between the vanes, and finally through multiple air ports located on the roller's outer tube surface.

Abstract: A coiling machine for hot rolled stock with a thickness of between 0.5 and more than 5 mm, arranged downstream of a rolling train and a shears assembly (11). The coiling machine comprising a turntable assembly (12) rotating around an axis of rotation (13) orthogonal to the axis of feed of the rolled stock and lying on a plane substantially parallel to the plane of feed (14) of the rolled stock. The turntable assembly (12) supporting two coiling mandrels (15a, 15b) each arranged diametrically opposite each other and with an axis parallel to the turntable axis of rotation (13).

Abstract: A turning bar apparatus includes a stationary turning bar assuming the form of a hollow cylinder and adapted to change the running direction of a web looped therearound and a compressed-air supply unit for supplying compressed air into the hollow interior of the turning bar. A plurality of air outlet openings are formed through the wall of the turning bar and are arranged in rows and along the longitudinal direction of the turning bar. At least a single row of air outlet openings is arranged in an upstream portion of a web-looping region extending between an upstream end of the web-looping region and a circumferential center of the web-looping region. At least a single row of air outlet openings is arranged in a downstream portion of the web-looping region extending between the circumferential center of the web-looping region and a downstream end of the web-looping region.

Abstract: A tension determining apparatus that is arranged above cylindrical air chambers determines tensions at both edges of a web before the web enters helical routes of the cylindrical air chambers. Middle direction changing air chambers among three direction changing air chambers arranged in a row are inclined by a predetermined angle according to the difference between the tensions at both edges of the web. Therefore, a snaking and a bias of the web are reduced, and the web can run stably.