Abstract: A bearer wipe holder includes a base and a fastener selectively movable with respect to the base, a wipe fitting between the base and the fastener, the fastener contacting the base through the wipe at least separate two locations when the wipe is between the base and the fastener. Also disclosed is a bearer wipe including a body having at least a first hole for receiving a pin of a wipe holder and a second hole or slot for receiving one of a second pin and a bolt of a bearer holder, as well as a method for wiping a bearer of a printing press comprising the steps of placing a wipe against a base of a bearer holder, placing a fastener over the wipe so that the fastener contacts the base at least two separate locations so as to firmly hold the wipe between the base and the fastener, and contacting the bearer with the wipe.

Abstract: A composite doctor blade is provided that is suitable for use in the manufacture of paper, particularly for use in calenders. The composite doctor blade includes multiple layers of composite material in which a substantial proportion of the fibers are aligned in a direction substantially parallel to the long axis of the doctor blade.

Abstract: An image forming apparatus includes an exposure unit for forming a latent image on a photosensitive body which is rotating, a developing device, containing liquid developer in which developer particles are dispersed in a solvent, for supplying the liquid developer to the latent image on the photosensitive body and forming a developer image, a squeeze roller, which rotates in contact with the photosensitive body, for removing a surplus of the liquid developer remaining on the photosensitive body after development; and a transfer unit for transferring the developer image to a paper sheet after the surplus of the liquid developer is removed by the squeeze roller. The squeeze roller has a surface configuration which allows contact with the developer image on the photosensitive body with a uniform contact pressure in a contact portion where the squeeze roller contacts to the photosensitive body.

Abstract: There is provided an image display apparatus and an image erasing method, by which a color image made of an ink can be displayed by fixing the ink on the recording medium, and, when it is desired to erase the color image, the color image on the recording medium can be erased by image erasing means. Therefore, the present invention comprises ink application means 1 for applying an ink onto recording medium 10 in accordance with image data, and image erasing means 4 for erasing the image formed on recording medium 10 by ink application means 1, wherein, when the solubility parameter (SP value) of the substance remaining on recording medium 10 after applying the ink is taken as SPp, the SP value of the substance constituting the surface of the recording medium is taken as SPm, and the SP value of the substance constituting the surface of the image erasing means is taken as SPc, said SPp, SPm and SPc satisfy the relationship |SPp−SPm|>|SPp−SPc|.

Abstract: A cleaning element (1) for use in the fuser section of electrostatographic reproduction or printing apparatus. The element includes projections projecting from an outer surface to form a pile (5). The cross section of each projection has a cross section having a peripheral dimension and an area. The ratio of the peripheral dimension and area is greater than the same ratio for a projection of circular or substantially circular and equal area of cross section. The projections may be formed by tri-lobal fibres.

Abstract: An apparatus for doctoring a moving surface includes a blade holder component extending longitudinally across the moving surface and carrying a doctor blade. A support component is parallel to and supports the blade holder component. A first operating mechanism rotatably urges the doctor blade in a doctoring direction into contact with the moving surface, resulting in the doctor blade being acted upon by a reactionary thrust force in the plane of the doctor blade and a reactionary rotational force in a direction opposite to the doctoring direction. A pair of mutually opposed parallel guide rails are provided on one of the components, and rotatable rollers are spaced along the length of the other of the component.

Abstract: A loading hose for use in a paper machine doctor or coating device, which loading hose is located between the doctor's or coating device's blade support and rotatably arranged blade holder, is arranged to load the doctor blade of the doctor or the coating blade of the coating device. The loading hose incorporates a flexible casing, which is pressure-resistant and of a uniform cross-section. The loading hose includes at least one stiffening member attached to the casing and arranged to lie against either the blade support or the blade holder.

Abstract: Doctor blade systems for rotary press ink stations, which include a print cylinder and an ink supplier on a side of the print cylinder to deliver ink to the surface of the print cylinder, have an elongated blade holder extending parallel to the cylinder on one side of the cylinder. The holder mounts a doctor blade, which may be conventional, and a pre-doctor or prewipe blade between the doctor blade and the pan on the one side of the cylinder. The holder includes a first clamp to releasably hold the generally flat, elongated doctor blade in axial line contact with an axial length of the outer circumferential surface of the print cylinder and a second clamp below the first clamp to releasably hold a generally flat, elongated prewipe blade against the outer circumferential surface of the print cylinder below the line contact of the doctor blade so as to remove some ink from the length of the surface before that surface reaches the doctor blade.

Abstract: A beam structure (10) made of a composite for a pulp machine/paper machine/board machine or for a paper/board finishing device. The beam (10, 10a1, 10a2) is formed of a first curved part (12) and of a second straight part (13) joined thereto, to which second straight part (13) a doctoring, coating or measurement apparatus (110) is attached.

Abstract: The method for cleaning the rubber cylinders of printing presses particularly of the so-called bobbin type, comprises the succession of the following working phases:

Abstract: Disclosed are an electrophotographic apparatus and a method for forming an electrophotographic image, in which a solvent recovery surface is rotated in a direction opposite to a moving direction of an image-holding surface having a liquid developer containing a toner and a solvent supplied thereto at a speed 1 to 4 times as high as the rotating speed of the image-holding surface such that the solvent recovery surface is apart from the image holding surface and in contact with the solvent attached to the image-holding surface at the position where these solvent recovery surface and image-holding surface are closest to each other, so as to remove at least partially the solvent from the image-holding surface.

Abstract: A cylinder cleaning device for use with a cleaning fabric supply element having an outer surface comprises a frame and a receiving and supporting member connected to the frame for supporting the outer surface of the cleaning fabric supply element.

Abstract: A doctor blade for use in cleaning a roll in a paper machine comprises a thermosetting plastic polymer material selected from the group consisting of vinylesterurethanes and polyether amides.

Abstract: A doctor apparatus comprises a base adapted to be fixed to a doctor back and having a shelf projecting forwardly therefrom. A compliant top plate overlies the forwardly projecting shelf. The top plate has a rear portion fixed with respect to the base, and a front portion projecting forwardly beyond the shelf. Mutually spaced blade support members are secured to the underside of the front portion of the top plate. The blade support members have front portions underlying and cooperating in spaced relationship with the underside of the front portion of the top plate to define mutually aligned receiving slots, and have rear portions underlying and cooperating in spaced relationship with the shelf to define mutually aligned recesses. A doctor blade has a rear portion removably retained in the receiving slots, and a front portion projecting forwardly beyond the top plate. A resilient element is confined in the recesses between the shelf and the rear portions of the blade support members.

Abstract: Divided shaft members constitute a cleaning fabric take-up shaft, and are secured at both ends by shaft member fixing means that is attached to a side plate. Shaft member fixing portions include a shaft end supporter, for supporting the end of the shaft member; and a plug that is fitted to a shaft receiving section. A wedge portion is provided, which runs across the center of the shaft end supporter and is projected linearly. When this wedge portion is inserted between the shaft members, the diameter of the shaft is increased. At this time, the winding of the cleansing fabric is performed. To dispose of the wound cleaning fabric, the shaft members are detached from the shaft member fixing portions and the wedge is extracted from the shaft members, so that the diameter is reduced, and the cleaning fabric is disengaged from the shaft members. As a result, the cleaning fabric take-up shaft can be removed from the cleaning fabric roll.

Abstract: An image forming apparatus according to the present invention includes a first squeeze roller faced to the photosensitive member with a predetermined distance maintained therefrom and rotated in a direction opposite to a rotating direction of the photosensitive member, thereby to remove a surplus developing solution which exists on the photosensitive member after development, and a second squeeze roller provided in contact with the photosensitive member and rotated in the same direction as the photosensitive member with no speed difference therebetween as the photosensitive member rotates, thereby to remove a solvent contained in a toner image formed by developing the latent image. The first squeeze roller is rotated at a moving speed which is 2 to 3 times higher than a speed at which the outer circumferential surface of the photosensitive member moves.

Abstract: There is disclosed a pressure pad used in an apparatus for cleaning the outer surface of a cylinder with a cleaning fabric. The cleaning fabric is directed between the pressure pad and the cylinder, the pressure pad having opposite side edges which are fixed in the apparatus to extend parallel to the cylinder. The pressure pad is made of elastomer and curved between the opposite side edges thereof to be convex toward the outer surface of the cylinder. The pressure pad cooperates with the cleaning fabric so that the cleaning fabric can be pressed against the outer surface of the cylinder by the pressure pad to clean the outer surface of the cylinder. The pressure pad comprises an engaged portion engaged with the cleaning fabric so that the cleaning fabric is sandwiched between the engaged portion and the cylinder to be pressed against the outer surface of the cylinder.

Abstract: An apparatus for doctoring a roll in a paper machine, comprising a doctor blade and an integral blade holder including a support tray carrying fluid actuated tubes for applying the doctor blade to the roll. The blade holder is removably mounted on and releasably secured to the doctor back.

Abstract: A method for removing a cleaning device from a printing machine and for inserting the cleaning device or another cleaning device into the printing machine, the inserted cleaning device being secured in position in the printing machine by a fixing device, includes opening a protective covering of the printing machine and automatically inactivating the fixing device by the opening of the protective covering, removing the cleaning device from the printing machine through an opening in the printing machine exposed by the protective covering, inserting the respective cleaning device into the printing machine, and closing the protective covering and automatically activating the cleaning device by the closing of the protective covering, so that the inserted cleaning device is secured in the inserted position thereof; and a printing machine for performing the method.

Abstract: A doctor beam for mounting a doctor to a roll or cylinder in a paper or board machine. The doctor beam including a shaped face having a curvature that conforms to the curvature of the roll or cylinder being doctored.

Abstract: An apparatus installed in a molten metal plating line includes a blade pressed against a roll dipped in a molten metal plating bath, in which a metal strip travels. The apparatus removes substances deposited on a surface of the roll. The apparatus also includes an arm for supporting the blade, and a screw member disposed above the plating bath so as to traverse it and moving along an axis of the roll in the bath for removing substances deposited on the roll in the molten metal plating bath. Floats and/or weights are mounted on the arm so as to adjust a press force of the blade applied to the roll in the molten metal plating bath. A method for preventing the occurrence of dents on a molten-metal-plated steel strip using the apparatus is also disclosed.

Abstract: A doctor blade assembly having a flexible doctor blade holder consisting of a wider flexible carrier plate by means of which the assembly is mounted, a narrower flexible presser plate and a flexible wedge member held together with a plurality of ties. A replaceable doctor blade is formed of a strip of uniform thickness and is clamped together with a narrower back-up strip securely but releasably between the forward edges of the carrier plate and the presser plate. The wedge member is inserted between the rear edge of the presser plate and the carrier plate. The wedge member has a rear portion including a flange projecting away from the carrier plate both to permit manual manipulation of the wedge member and to divert liquid, such as ink, away from the carrier plate.

Abstract: An improved cleaning system adapted to be incorporated into an image forming device, the improved cleaning system having a roller cartridge having an upper cleaning roller rotatably and removably coupled to a cartridge frame, a lower cleaning roller rotatably and vertically movably coupled to the cartridge frame for cleaning printable media, an elastic mechanism coupled to the cartridge frame for pressing the upper cleaning roller against the lower cleaning roller, a magnetic mechanism for holding the improved cleaning system firmly inside the image forming device, a latch mechanism for latching the improved cleaning system to the image forming device, a drive mechanism for driving the printable media between the drive mechanism and the lower cleaning roller, the improved cleaning system being adapted to clean dust deposited on the surface of the printable media.

Abstract: A cleaning device, being part of a copying or printing system, for removing residual developer from the surface of an image-delivering member is described. The device comprises a cleaning brush in rolling contact with the surface of the image-delivering member for removing residual developer therefrom. A biased collecting roller is in rolling contact with the revolving brush. The collecting roller is biased such as to attract the residual developer from the cleaning brush and to collect it onto its surface. A trailing cleaning blade has a forward end portion in frictional contact with the collecting roller. The trailing cleaning blade is in contact with the cleaning roller at a contact position where the collecting roller is moving in an upward direction. Also disclosed is a method for removing developer from a surface of an image-delivering member.

Abstract: A cleaning sheet comprises a sheet-shaped base and an adhesive layer formed on at least one surface of the sheet-shaped base member. The adhesive layer has an adhesive strength in the range of 0.1-0.5 gf according to a 180-degree peel-off method provided by JIS Z-0237. Or the adhesive layer has a tackiness degree in the range of 1-5 according to a J DOW method provided by JIS Z-0237.

Abstract: A composite blade, in which there is an essentially plate-like blade component with a composite-construction and retention members arranged in its rear part is intended to be installed in a special blade holder with the retention members remaining in the throat of the blade holder. The retention members are formed of a profiling arranged as a lateral extension of the blade component. The profiling extends essentially over the entire length of the blade and is of the same piece as the blade component.

Abstract: There is disclosed a pressure pad used in an apparatus for cleaning the outer surface of a cylinder with a cleaning fabric. The cleaning fabric is directed between the pressure pad and the cylinder, the pressure pad having opposite side edges which are fixed in the apparatus to extend parallel to the cylinder. The pressure pad is made of elastomer and curved between the opposite side edges thereof to be convex toward the outer surface of the cylinder. The pressure pad cooperates with the cleaning fabric so that the cleaning fabric can be pressed against the outer surface of the cylinder by the pressure pad to clean the outer surface of the cylinder. The pressure pad comprises an engaged portion engaged with the cleaning fabric so that the cleaning fabric is sandwiched between the engaged portion and the cylinder to be pressed against the outer surface of the cylinder.

Abstract: The device for coating an element with a swab impregnated with a coating composition includes a mobile carriage bearing the swab wherein the carriage is movable along a guiding path, a member for pushing the swab towards the element to be coated so that a quality of the composition released from the swab coats the element, and a member for varying the release of the composition so that the coating is substantially uniform.

Abstract: A card is provided for cleaning a document track of a document handling system, and methods for making and using the same. The card includes a planar body formed of a resilient material, such as a fibrous or polymeric material. The body includes a plurality of tabs, with each one of the tabs being pivotable relative to the body between an extended position and a collapsed position. In the extended position, the tab projects angularly from the body, while in the collapsed position, the tab is substantially co-planar with the body. The tabs are biased to the extended position, such as by creasing the material forming the body. The biased tabs extend across the document track, and sweep debris along the document track.

Abstract: A fixing device for a copying machine includes a heating roller having a heating portion therein, a press roller provided in rolling contact with the heating roller, and a cleaning mechanism for cleaning the heating roller and the press roller. The cleaning mechanism has a cleaning roller provided in rolling contact with the heating roller, and a pressure changing mechanism for changing a pressure applied by the cleaning roller to the heating roller. The pressure changing mechanism continuously changes the pressure of the cleaning roller within a predetermined pressure range at a period shorter than a passing time of the recording sheet passing through a portion between the heating roller and the press roller.

Abstract: A doctor blade structural support has the form of a hollow structural member of roughly triangular cross-section, one side of the triangular cross-section being substantially tangent to the surface of the dryer roll. A quantity of water is disposed within the hollow structural member and resides on the inside surface of the structural member adjacent to the heated dryer roll surface. The interior of the doctor support structure is sealed from the atmosphere and is evacuated so that the interior of the structure contains only water and water vapor. Heat radiating from the dryer roll surface to the doctor support structure causes water disposed on the inside surface adjacent to the dryer roll to evaporate, thus raising the internal vapor pressure in the sealed interior of the doctor support structure. The water vapor continuously condenses on the inside surfaces of the support structure which are not exposed to radiant heating from the dryer roll.

Abstract: According to the invention, there is provided a cylinder cleaning device for use with a cleaning fabric supply roll having a cleaning fabric wound thereon. The cleaning fabric is supplied from the supply roll and pressed against the outer surface of a cylinder to clean the outer surface of the cylinder. The device comprises a frame and a roll receiver mounted on the frame. The outer surface of the supply roll is engaged with and received by the receiver. The device further a comprises a roll stabilizer for stabilizing the supply roll on the receiver when the supply roll is rotated on the receiver to supply the cleaning fabric and have a diameter correspondingly decreasing.

Abstract: A cleaning station for a fusing member has first and second cleaner rollers. The first cleaner roller is coated with a sticky or adhesive first toner layer. The first toner layer contacts the fuser member for cleaning. The second cleaner roller is coated with a sticky or adhesive second toner layer. The second toner layer is in contact with the first toner layer. The second cleaner roller defines apertures connecting to an internal reservoir. Excess toner from the second toner layer collects in the internal reservoir.

Abstract: Creping blade for the detachment of a travelling paper web from a dryer cylinder, said blade having an edge or tip section engaging said cylinder and being constantly hit by the traveling web during its detachment from the cylinder. The invention resides in the improvement of said edge or tip section being provided with a wear-resistant coating on a first part of said edge section hit by the web, the other part of said edge section engaging the cylinder being uncoated or coated with a non-wear-resistant material so that said other part is subjected to sliding wear. A recess is located in the side surface so that the wear land surface that contacts the cylinder remains essentially constant throughout the operative cycle of the blade.

Abstract: A squeegee apparatus of a liquid electrophotographic printer is provided. The apparatus has a squeegee roller for pressing a photoreceptor belt to squeegee excess developer from an image developed on the transfer surface of the photoreceptor belt. A squeegee backup roller is provided opposite to the squeegee roller, to press a reverse surface of the photoreceptor belt. The squeegee apparatus includes a heating device installed in the squeegee backup roller, for heating the photoreceptor belt at a predetermined temperature. During printing, since the photoreceptor belt is squeegeed while it is heated to a predetermined temperature, the squeegeeing efficiency is enhanced, thereby improving the printing quality of the printer.

Abstract: There is disclosed a doctoring apparatus for doctoring a cylindrical rotating surface of a machine. The doctoring apparatus includes a blade carrier assembly for holding a blade for doctoring a cylindrical surface. The blade carrier assembly further includes at least one movable tenon. The blade carrier assembly slides across a supporting surface of a doctor back. The doctor back includes a mortise which is sized to loosely receive the tenon to permit the tenon to slide within the mortise as the remainder of the blade carrier assembly slides over the supporting surface of the doctor back. Once the blade carrier assembly is located in a position relative to the doctor back, an adjustment mechanism carried by the blade carrier moves the tenon into locking engagement with the mortise. This adjustment mechanism is a releasable securing mechanism which allows the tenon to move in and out of locking engagement.