Abstract: Positioning apparatus applied on equipment with one or a plurality of single axles is fixed on two bases opposite to each other. Adjusting device is located in each base and corresponding to each cross or single axle, which is configured for adjusting the position of the cross or single axle in a direction parallel to the base. Fixing device is configured for fixing the adjusting device on the base. The fixing device is moved in one direction vertical to the adjusting device adjusted in another direction.

Abstract: A method and apparatus for web tracking adjustment for a web handling system comprises biasing a steering roller in a gimbal direction, and adjusting the bias to achieve the desired tracking.

Abstract: Apparatus for color printing on a re-inkable belt, the re-inkable belt being moveable along an endless path and trained about a transport roller and including an ink transfer layer where an ink can be transferred to a moveable receiver and the moveable receiver moves into ink transfer relationship with the re-inkable belt at a nip position for transferring ink imagewise from the re-inkable belt to the receiver. The depleted ink is replenished and the re-inkable belt is arranged so that ink will be diffused into the ink transfer surface, and tension is adjustedly applied at two spaced locations to the transport roller and including two spaced steering actuators which, when actuated, apply tension to opposite positions on the transport roller, a sensor for determining the position of the re-inkable belt, and a computer coupled to the sensor for selectively actuating the steering actuators so as to apply tension to the transport roller which compensates for lateral distortion of the re-inkable belt.

Abstract: A brand flexible, fixed tipping paper guide including guide frame; a guide receivable in the guide frame; a register for aligning a first portion of the fame relative to a paper feed path and an adjustable mount operative to adjust a second portion of said guide frame transversely relative to said feed path.

Abstract: The present invention provides apparatus for equalizing the tension across the width of a web traveling under tension in a generally flat plane. The apparatus includes a longitudinal extending bladder formed of an elastic material and inflated with a fluid at a predetermined pressure, and a support structure for supporting the bladder beneath the traveling web and across the width thereof so that the bladder is positioned at a predetermined height above the flat plane of the traveling web whereby any variances in the tension across the width of the web will be equalized by the bladder. A plurality of finger elements are mounted to the support structure to extend between the bladder and the traveling web to prevent abrasive wear on the bladder by the traveling web.

Abstract: The position of a printed web passing through an elongated dryer is shifted laterally during passage of the web through the dryer. A component of the resultant of all of the frictional forces acting on the web is caused to point in the lateral direction of the desired web shaft. This resultant of the frictional forces is obtainable by changing the spacing of blower nozzles, or by changing the pressure of discharged drying fluid across the width of the web.

Abstract: A reproduction apparatus where a colorant image is formed on a receiver member, and the colorant image is fixed on the receiver member by a belt fusing apparatus for providing image gloss to such colorant image. The belt fusing apparatus includes a heated fuser roller, a pressure roller in nip relation with the fuser roller, a steering roller, and a fusing belt entrained about the fuser roller and the steering roller for movement in a predetermined direction about a closed loop path. A mechanism is provided for accurately controlling the tracking of the fusing belt. The fusing belt tracking control mechanism includes supports the steering roller for rotation about its longitudinal axis, and for casterred and gimbaled movement. Sensors detect the respective lateral edges of the fusing belt, the sensors producing control signals when the respective lateral edges are detected for effecting casterred movement of the steering roller.

Abstract: A system for controlling the lateral position of a web in a web-fed printing press having a printing unit. The web has a series of printed images thereon. The system includes an optical scanner for sensing the lateral position of an image on the web and for generating a first signal. The system also includes an edge sensor which senses the lateral position of a corresponding web edge and which generates a second signal. A controller processes the first and second signals to produce a control signal. The systems also includes a positioning means responsive to the control signal for laterally positioning the web.

Abstract: A device for width of print adjustment of a web of material, particularly a printed web of material, including at least one register correction wheel for deflecting a web of material, the register correction wheel being assigned to the path of the web of material. An actuating unit is assigned to the register correction wheel to move the register correction wheel for remote or automatic width of print adjustment. The actuating unit is integrated into the central press control system.

Abstract: A paper magazine including a magazine main body in which a photosensitive material is accommodated; a guide member for guiding the photosensitive material to a magazine opening through which the photosensitive material is delivered out to an exterior; at least one guide roller which is attached to the guide member so as to be freely rotatable, and which contacts a transverse direction end portion of the photosensitive material and guides the photosensitive material when the photosensitive material is delivered out to the exterior; and a cover which is supported at the magazine main body so as to be able to open and close an open portion of the magazine main body, and when the cover is closed, the cover is positioned so as to oppose the guide member with the photosensitive material being disposed between the guide member and the cover.

Abstract: An apparatus for correcting zigzag motion of a longitudinally traveling elongated sheet includes a forward signalling sensor on the travel path of the sheet and a first correction mechanism which is on the downstream side of, and is controlled by an open-loop method according to output signals from, this feed forward sensor to quickly correct the lateral displacement of the sheet. A second correction mechanism on the downstream side is controlled by output signals from a backward signalling sensor disposed further downstream thereto to correct by a closed-loop method the error in the correction effected by the first correction mechanism. If a significant trend of the sheet to move laterally in one direction is detected, parameters in the algorithm used by the first correction mechanism are adjusted.

Abstract: An apparatus for automatically opening interdigitated tab fingers formed on a hang strip provides a base onto which an indexing station, a cutting station and an article attachment station are disposed. A supply of hang strip material is provided and is mounted to the base and is fed through the indexing station and across the cutting station and is guided through to an item attachment end of the base. At the item attachment end the otherwise interdigitated tab fingers are open and the item to be hung is placed onto the upwardly extended one(s) of the finger tabs and are caused to be closed upon themselves upon the continued advancement of the material through the attachment end of the base.

Abstract: A process and apparatus for guiding and keeping a material web spread out uses a spreading roll and with contact pressure elements and a control member controlled by a control system monitors the control path in a way such that the spacing of the contact pressure elements from the spreading roll is varied. Because of the advantages that the control path has in the present case, a rapid and stable control of the position of the material web is assured. This is advantageous especially in connection with highly sensitive material webs such as, for example, wide-meshed textile webs.

Abstract: A web printing press and a method of reducing ink build-up on a printing cylinder of a web printing press are described. The web is moved sideways, either by web guides or by moving a web roll stand, during a printing cylinder wash operation to aid in removing ink build-up.

Abstract: An apparatus for displacing a continuous flat sheet of material having a first edge and a second edge, running along a first plane in a first direction which is the direction of its centerline to a parallel but sideways displaced direction in a second plane the direction being parallel to the first, in which the second edge of the sheet is displaced from the first plane to decrease the path length in the first plane of the second edge relative to the first edge to produce a first change in direction of running and subsequently to displace the first edge from the second plane to decrease the path length in the second plane of the first edge relative to the second edge to similarly produce a second change in direction of running equal in magnitude but in an opposite direction to the first change in direction so that the final direction of running is parallel to the first direction of running.

Abstract: An air bar web guide provides lateral adjustment of a running web passing through the guide so that the web exiting the guide is maintained in a constant lateral position. The path length of the web passing through the guide is maintained constant and does not vary from one edge of the web to the other edge. The guide includes a pair of idler rolls journaled for rotation about parallel axes and a pair of air bar guides also maintained parallel to each other. The air bar guides are mounted for pivotal movement with respect to the idler rolls to angulated positions when lateral adjustment of the web is required. A cam system driven by a linkage responsive to the angulated position of the air bar guides moves one of the idler rolls toward and away from the other idler roll to maintain a constant path length of the web passing through the guide system.

Abstract: In an imaging device having a belt supporting image on an image supporting surface and moving along an endless path in a process direction, an exposure device for forming images on the image supporting surface, an arrangement is provided to derive information about belt position with respect to the exposure device. The belt is provided with at least one fiducial opening or target at a belt edge, and a sensor is arranged with respect to the belt and the fiducial opening, to sense illumination directed through the fiducial opening. An illumination source is provided at a fixed position with respect to the exposure device and the sensor to directing illumination to the sensor, when the fiducial opening is aligned with the sensor, including at least two independently detectable illumination sources arranged along a cross process direction. Belt position with respect to the exposure device is then determined from the amount of occlusion of one of the first and second independently detectable illumination sources.

Abstract: Controlling the cross-sectional characteristics of moving tow lines by providing monitors and positioning devices so as to improve stuffer box crimp uniformity. The mass distribution profile of a filamentary tow band is continuously measured as a function of the width of the band, and the information obtained is used to change the position of the band when a deviation from a predetermined value is noted. Positioning devices are used to carry out the movement or adjusting of the band in accordance with a signal so as to correct the deviation and present to a crimping apparatus, such as a stuffer box crimper, a band having a uniform mass distribution profile.

Abstract: A system for creating a control signal having a value indicative of the position of the lateral edge of a moving web wherein the system creates a succession of ultrasonic pulses from a transmitter, each of the pulses being created at a known transmit time in response to a transmit signal with the pulses each having a number of oscillations defining a pulse envelope having a pulse start portion. The system directs the ultrasonic pulses toward an ultrasonic receiver along a selected path whereby the position of the lateral edge of the web in the path determines the energy of the pulse as it is received by the receiver and converts the received pulse into an electronic signal having an amplitude determined by the energy of the received pulse. The receiver is spaced from the transmitter a predetermined distance causing the pulses to be received by the receiver at a given time after the transmit signals for a given ambient temperature.

Abstract: A microprocessor-controlled web guidance system which automatically implements and maintains a proper lateral web alignment of a continuous web in a web printing press. A steering mechanism is provided which is controlled by a microprocessor system which utilizes infrared radiation for edge detection wherein multiple sensors are driven by means of stepper motors driving on a flexible linear cogged belt system. The system includes novel functions, and diagnostic and maintenance modes which may be programmed by the operator. A plurality of control panels are provided to enable the operator to select and program desired functions and to access desired modes. Self calibration and testing of the steering mechanism and the edge sensors is also provided.

Abstract: A relieved plastic floor tile rolling press having an automatic alignment device comprising a surface roller from which a surface substratum with plane patterns printed thereon is unwound, a pressing roller on which recessed carves shaped the same as the plane patterns are formed to form relieved patterns on the plastic tile, and a sensing device to detect the lateral deviation and also detect the longitudinal location of the surface substratum. The sensing device also comprises a sensor to detect the rotational location of the pressing roller. The information detected by the sensing device is then sent to microprocessors to adjust the lateral location of the surface substratum and eliminate the difference between the longitudinal location of the surface substratum and the rotational location of the pressing roller.

Abstract: In a thermal transfer recording apparatus comprising an ink film coated with a heat-fusion type ink, an ink film supplying roller rotatably mounted at a first support member, an ink film winding roller rotatably mounted at a second support member, and a recording station wherein a recording material contacts with the ink film to be recorded an image information by a heat transfer, the first and second support members are rotatable respectively around a first axis and a second axis provided at ends of a rotating member which connects the first and second support members, so that the first and second support members integrally rotate around a third axis provided substantially at a center of the rotating member.

Abstract: A microprocessor-controlled web guidance system which automatically implements and maintains a proper lateral web alignment of a continuous web in a web printing press. A steering mechanism is provided which is controlled by a microprocessor system which utilizes infrared radiation for edge detection wherein multiple sensors are driven by means of stepper motors driving on a flexible linear cogged belt system. The system includes novel functions, and diagnostic and maintenance modes which may be programmed by the operator. A plurality of control panels are provided to enable the operator to select and program desired functions and to access desired modes. Self calibration and testing of the steering mechanism and the edge sensors is also provided.

Abstract: Disclosed is a system for bidirectionally guiding web, such as tape in magnetic tape recording/reproducing apparatus. The system eliminates the necessity for edge guides, reduces stresses in web resulting in longer web life, and effects accurate tracking of the web as it is transported in opposite directions. The system includes a plurality of edgeless cylindrical guide rollers mounted on members which are pivoted together. The system includes a plurality of edge sensors and linear servo motors. The edge sensors measure the web edge position and the linear servo motors control the amount of rotation about a pivotal axis which coincides with the center line of a span of web. In this way, web edge position is controlled without any frictional sliding contact between the web and guiding rollers and without the use of edge guides which damage the web edge.

Abstract: Packaging machines are often supplied with a web of packaging material of double width. During transport, the web of material (11) is sub-divided into two part webs (12,13) by means of a central longitudinal cut. The exact run of the web of material (11) and of the part webs (12,13) is monitored by edge-sensing members (21; 25,26). Any deviations from the correct position are transmitted as error signal to web-adjusting members (24; 27,28). These are each equipped with two deflecting rollers (32,33 or 59,60 or 62,63) arranged at a distance from one another and intended for deflecting the web of material (11) or part web (12,13). The two deflecting rollers are each adjusted in order to adjust the web run.

Abstract: An adjustable guide assembly for a moving web or fabric. The guide assembly includes a bearing housing adapted to receive a bearing carrying an axle journal of a web or fabric guide roll and a pair of bellows mounted on opposite sides of the bearing housing, and wherein the bearing housing is movable with respect to a fixed frame for positioning the end of the web guide roll through adjustment of the fluid pressure within the bellows. Each of the bellows has a fluid space therewithin in which are situated a first bearing lug which is fixed in position relative to the fixed frame and a second bearing lug fixed to the movable bearing housing, the first and second bearing lugs having pivot points to which a connecting arm member is pivotally connected.

Abstract: Apparatus for controlling the lateral movement of a travelling web to automatically compensate for web conicity and angular deviation of the web velocity vector. A preferred embodiment of the apparatus comprises a steering roller about which a travelling web is at least in part entrained. An assembly supports the steering roller for rotation about its longitudinal axis, and mounts the steering roller for angular adjustment about a caster axis perpendicular to such longitudinal axis at the mid-point of the steering roller. The assembly is, in turn, supported for rotation about a gimbal axis intersecting, and perpendicular to, the caster axis. Lateral movement of a web supported on the steering roller is sensed relative to the steering roller in the direction of the longitudinal axis of the steering roller. The mechanism for sensing lateral movement of the web moves in a corresponding direction to the sensed lateral movement of the web.

Abstract: The invention relates to a method of guiding a web of paper or foil material in a web-guiding device, such web having print marks applied to it at least over stretches of the web, as well as to such a web-guiding device with a correcting device, the latter being adjustable when the center of the web runs off course and with a controlling system connected to an edge-sensing system, whereby the position of the print marks relative to an imaginary guide line is controllable over stretches of the web carrying print marks, and additional correction relating to the latter can be made, if required. According to the invention, print marks signals are produced by means of a print mark sensor and linked with the correction signals of the edge-sensing system, with priority of the print mark signals.

Abstract: Guidance device for material traveling in strip form, especially for a sheet metal treatment plant, which includes a guidance roller (13) over which the strip (20) passes. This roller is carried by a movable structure (10) itself mounted on a fixed structure (1), so as to be capable of oscillating around an axis (Y--Y) contained in a median plane at right angles to the axis (X--X) of the roller, tangent to this roller and forming an angle of between 5.degree. and 30.degree. with the upstream length (21) of the strip.

Abstract: A conveyor belt controller for controlling the variations in the lateral position of a running conveyor belt comprises a regulated stretch of conveyor belt having a guide member, particularly a guide roller, at one end, a controllable guiding mechanism able to laterally displace the conveyor belt when the conveyor belt is shifted from a correct position, and at least one video camera observing the lateral motion of the conveyor belt whose electrical image signal is convertable by a computer into a controlling command for the guiding mechanism. The video camera is mounted upstream from the guide member spaced approximately a distance equal to the length of the regulated stretch. An indicating member is provided in the image field of the video camera for the actual position of the guiding mechanism extending transversely to the guiding mechanism. Advantageously, the indicating member is provided with an indicator light source which is pulsed for more sensitive detection.

Abstract: In one embodiment, the oscillating pinch roll assembly or web handling apparatus includes a rotatable spindle having an input which accepts the tubular web. A pinch roller is mounted at the input. A plurality of rollers are circumferentially disposed around the pinch roller and the axis of rotation of those rollers is parallel to the center line of the tubular web. A turning bar is disposed in the interior of the spindle and turns the flattened web exiting the pinch rollers 90 degrees and feeds the horizontal web to a first roller of the plurality of rollers disposed at the periphery of the spindle. The traveling web always passes over this first roller. By rotating the spindle in an oscillatory manner about the center axis of the tubular web, the horizontally traveling, flat web is wound and unwound around the outer periphery of the spindle and is fed to a fixed idler roller.

Abstract: Apparatus for correcting the displacement of a metallic sheet during its travelling comprising: a displacement correcting roll having a shaft, a plurality of rotary rings rotatably put on said shaft at suitable intervals as inclined by the same angle in the same direction and a resilient cylindrical member made of, for example, rubber closely fitted onto said rotary rings; and a control mechanism for rotatably adjusting the position of said shaft in its rotating directions.The control mechanism is adapted to adjustingly rotate the shaft in such forward or reverse direction as to correct the displacement of a metallic sheet.

Abstract: A device for guiding an endless belt traveling in a frame of a conveyor comprising a pivot frame of a pair of side members interconnected by at least one cross-member spaced from one end of the side frames, a bearing housing attached to each of the side frames adjacent the other end and supporting a pair of pressure rollers and a lateral edge roller, a pair of rollers mounted on a axis positioned above the cross-member, a second pair of rollers mounted at said one end, and a pivot arrangement for mounting the frames so that a pivot point for the subframe passes through the center of the axis of the first pair of rolls and lies on the theoretical center line for the web.

Abstract: A guide frame has overlying support on a base frame and supports a pair of spaced, parallel guide rollers arranged with their axes extending across the line of travel of a moving web. These rollers receive the traveling web over the surface thereof from an entering span at one of the rollers and an exiting span at the other roller, the span between the rollers comprising a guide movement span. A fixed offset pivot supports the guide frame pivotally on the base frame in an area adjacent to the entering span of the rollers. This fixed pivot support is rigid in a direction parallel with the pivot axis but has some flexibility in the direction of travel of the guide movement span of the web. A movable pivot support supports the guide frame on the base frame in an area adjacent the exiting span of the rollers.

Abstract: A method of making a carpet tile in which a carpet fed from a carpet feed section, a thermoplastic backing composition layer, and a secondary backing fabric fed from a secondary backing fabric feed section are laminated to form a carpet belt material, and the carpet belt material is cooled and cut to size. In the aforesaid method, the carpet is passed through a roll guider, and the secondary backing fabric is passed through a cloth guider, and, if required, through an expander roll. In the aforesaid methods, the secondary backing fabric is further preheated.

Abstract: An improved film tube forming shoe includes a brake edge having a configuration which is related to the diameter of the shoe, to the film width, and to the diameter of a product to be wrapped in the tube. The shoe is provided with outwardly directed pressurized fluid ports in the brake edge to provide an air cushion for the film as it is drawn through an acute angle around the brake edge into the shoe. The fluid also cleans the edge and reduces accumulation of foreign matter thereon. To promote accurate film tracking through the shoe, it is rotatable in response to changes in the position of an edge of the film before it enters the shoe. Methods are provided for forming the shoe, and brake edge, without trial and error, for wrapping products of known diameter, and for wrapping articles.

Abstract: An apparatus for controlling an outgoing web leaving an air cushion turning bar, which enables a convenient transport of longitudinally curved webs over such air turning bar. The apparatus comprises at least one axially displaceable roller adapted to be moved laterally upon a deviation in the web to bring the same to its outgoing path, and a second roller capable of bodily tilting movement and preferably axial movement as well, to differentially lengthen the path of the web edge margin remote from the direction of deviation.

Abstract: A paper mask produces even width borders on bordered photographic prints even if the unexposed photographic print paper is misaligned, angularly mistracking, or wandering in alignment through roll feeding, or if the width of the paper varies. The paper mask apparatus includes a base which is mounted on the paper deck of the printer and front and rear guides which are movably mounted to the base and have masking lips which overhang the longitudinal edges of the print paper. The front and rear guides are generally parallel to one another and are urged toward one another by bias springs. A separate masking frame of the desired print size is mounted to one of the two guides and moves with that guide to define transverse masking edges.

Abstract: A system for positioning a web of material as it enters and passes through a course for treating the web, as in a printing press, is disclosed. The edges of the web are scanned by infrared sensing devices which are connected by various electrical circuits to a tilt mechanism contacting the web, and both the scanning devices and the tilt mechanism may be synchronized, or manually controlled, to direct the web through the press. A broad diameter channel of infrared radiation is utilized in the scanners. The relationship of the web to its desired path and the correcting actions of the system may be continuously read in terms of actual deviation changes on a display panel. The tilt rollers and the scanners may be automatically centered on a fixed reference point in preparing the web for its course through the press. The system includes correlation of the tramming of the tilt rollers to continued position sensing of the web by the infrared scanners.

Abstract: An improved conveying device for conveying a thin web through a station in both directions with the desired registry characterized by a supply device for storing a reel of the thin web, a guiding device for guiding the thin web through the station and a take up or receiving device for rewinding the web with the take up or receiving device and the driving means being controlled so that the take up device does not apply any tension to the web at the station. In order to determine the exact amount of the web passing through the station a meter or measuring device is utilized and to ensure proper alignment of the web, the guiding means includes rollers continually holding the edge of the web against a lateral guide member. Due to the control and the use of the meter device, the web may be moved back and forth through the station to allow processing laterally offset portions of the web and maintain the registry between the various laterally offset portions.

Abstract: A device for directing strips of thermoplastic material which is provided with a first roller and first movable needles or photo electric cells, for correcting the position of the strip in a longitudinal direction in which the first roller and the first needles or cells are driven at the same rate, and second movable needles or photocells and a second roller for correcting the position of the foil in a transverse direction with, the second movable needles or cells and second roller being driven at the same rate.