Abstract: Methods for the preparation of a pulling roll including a sleeve (800) and/or a cartridge (1330) are disclosed. Also disclosed are methods for the change or repair of at least a portion of a heat resistant material of a pulling roll. Also disclosed are a sleeve and a cartridge for use with a pulling roll, each including a heat resistant material.

Abstract: Methods for the preparation of a pulling roll including a sleeve (800) and/or a cartridge (1330) are disclosed. Also disclosed are methods for the change or repair of at least a portion of a heat resistant material of a pulling roll. Also disclosed are a sleeve and a cartridge for use with a pulling roll, each including a heat resistant material.

Abstract: A molding system including a component formed in a generally closed loop shape and having a plurality of radially extending teeth. The component includes a plurality of discrete segments coupled together.

Abstract: An end cover part which is used to close an end of a cylindrical body, and transmits a driving force of a rotatable driving shaft to the cylindrical body, includes a cover member having a tubular portion into which the driving shaft is to be fitted, and a to-be-fitted portion which is disposed in a flange-like manner in a periphery of the tubular portion, and which is to be fitted into an end portion of the cylindrical body; cut surfaces which are disposed respectively on an inner circumference of the tubular portion of the cover member and an outer circumference of the to-be-fitted portion and concentrically about a common reference central axis; and a recess as defined herein.

Abstract: An application roller for applying liquid or semi-liquid substances on surfaces comprises a frame having a shaft including a handle thereon for grasping by a user and a cross axle oriented at a right angle to the shaft. A cylinder having first and second ends rotatably mounted on the cross axle defines an outer surface having a first portion of an attachment system thereon. A cover wrap dimensioned to circumferentially encompass the cylinder has a liquid absorbent outer surface and an inner surface including a second portion of the attachment system. The first and second portions of the attachment system cooperate to permit selective removal and reattachment of the cover wrap on the cylinder.

Abstract: A device for managing a retractable sheet that is wound on a roller by the action of a spring that may be extended by pulling on the exposed edge of the sheet wherein the device is used for printing messages thereon or for obscuring the view of nearby items. The device is easily changeable for multiple uses as the roller containing the sheet is separable from the main unit, allowing reuse of the more complex and expensive components of the device. A brake on the device prevents the spring from unwinding when the roller is removed. A damping mechanism limits the retraction speed of the sheet, which the damping mechanism being disengaged when the sheet is being pulled out. A cover is provided to obscure the main part of the unit and to prevent tampering. A unique slot configuration allows for easy, tamper-resistant installation of a header card. A pull tab is made of inexpensive components and is designed to allow for easy placement of a graphic label.

Abstract: The present invention provides a double-sleeved roller for use in an electrostatographic machine. The double-sleeved member includes a cylindrical rigid core member. A removable inner sleeve member (ISM) is provided that includes a compliant layer that surrounds and intimately contacts the rigid core member. A removable electrically conductive outer sleeve member (OSM) such that the OSM surrounds and intimately contacts said ISM wherein the ISM and OSM are removable or mountable simultaneously.

Abstract: Embodiments of a method for manufacturing a paint roller support are disclosed. According to one embodiment, a method of manufacturing a paint roller support comprises placing first and second bearings on an elongated shaft at spaced apart locations such that the bearings are retained against rotational and axial movement relative to the shaft, and placing first and second rotatable hubs on the first and second bearings, respectively, the hubs being configured to rotate relative to the bearings and to each other and having outer surfaces on which a roller cover is placed during use, wherein the first and second hubs are retained on the shaft by the first and second bearings, respectively.

Abstract: A protective sleeve cover is described for protecting anilox, gravure, or other costly rolls. The protective sleeve cover is cylindrical in geometry and has a means at one end for securing the cover to the roll being protected. The protective sleeve cover is readily mounted or demounted from the roll. Expansion tabs on the inner diameter of the protective sleeve cover create an interference fit with the roll being protected, causing the protective sleeve cover to deform and generate radial forces that enhance the gripping action of the protective sleeve cover to the roll. Friction pads can be added for enhanced gripping function with the roll.

Abstract: An application roller for applying liquid or semi-liquid substances on surfaces comprises a frame having a shaft including a handle thereon for grasping by a user and a cross axle oriented at a right angle to the shaft. A cylinder having first and second ends rotatably mounted on the cross axle defines an outer surface having a first portion of an attachment system thereon. A cover wrap dimensioned to circumferentially encompass the cylinder has a liquid absorbent outer surface and an inner surface including a second portion of the attachment system. The first and second portions of the attachment system cooperate to permit selective removal and reattachment of the cover wrap on the cylinder.

Abstract: In replacing a sleeve on a printing machine drum, the diameter of the drum is reduced by moving the drum parts toward one another to facilitate removing the sleeve, and/or mounting another sleeve onto the drum, and increasing the drum diameter by moving the drum parts away from one another.

Abstract: Impression roller (10) for a laminating machine for producing a packaging material which comprises a carcass layer (40) consisting of paper or carton, which carcass layer exhibits through holes (42), and which carcass layer exhibits, on one of its sides, a barrier layer (44), a plastic lining (46, 47) which is arranged outside the barrier layer, and a film of laminant thermoplast (43) which is arranged between the carcass layer (40) and the barrier layer (44), with the said impression roller exhibiting a jacket surface which is faced with an inner facing layer (12) consisting of an elastic material, exhibiting a first hardness and a first thickness. According to the invention, an outer facing layer (13) consisting of an elastic material, exhibiting a second hardness and a second thickness, with the said first hardness being greater than the said second hardness and with the said first thickness being greater than the said second thickness, is arranged on the outside of the said inner facing layer (12).

Abstract: A method of manufacturing an anilox roller, in particular for a flexographic printing press, the anilox roller comprising a cylindrical core and a sleeve detachably held on the core and having at its surface an anilox layer with a grid pattern of pits, including the steps of mounting the sleeve on the core, and then forming the anilox layer on the sleeve.

Abstract: A fixture for assembling a post-CMP cleaning brush. The post-CMP cleaning brush is provided with a brush core and an outer brush, and the outer brush is provided with a hollow portion. The fixture comprises a base, a plurality of posts and a guiding member. The base is provided with a plurality of holes. The posts insert into the holes of the base through the hollow portion of the outer brush respectively so as to assist the brush core in passing through the hollow portion of the outer brush. The guiding member is connected with the brush core to assist the brush core in passing through the hollow portion of the outer brush.

Abstract: A device in flexographic machines, for making an adjustment between an inner shaft and an extractable jacket, with the double purpose of supporting the jacket along the entire length of the shaft, and of increasing the stiffness of the jacket. The adapter comprises at each of its end portions a rigid ring, and these end rings are internally connected the one another by a first rigid cylindrical member which is thin and capable of expansion and is intended to rest against the shaft, and they are externally connected the one another by a second rigid cylindrical member intended to receive the jacket; expansion means are provided in order to secure said end rings to the shaft, and openings are provided in said second external member in order to allow blowing compressed air intended to make easier the insertion and the extraction of the jacket.

Abstract: The device for mounting and removing blanket strips of a rotary cutting anvil cylinder comprises means for tightening and loosening the ends of at least one blanket strip so as to allow permutation with the other blanket strips of the rotary cutting anvil cylinder. The means for tightening and loosening the ends of a blanket strip include a locking and unlocking element placed in a groove in the periphery of the cylinder body of the rotarycutting anvil cylinder, the groove extending over the entire axial width of the cylinder body. The locking and unlocking element comprises a removable slide moving in the groove. the repective slide includes angled guiding grooves and also grooves all in the shape of linear cams into which fit rollers fixedly attached to at least one jaw which is moveable so as to act on at least one end of the blanket strips. The moveable slide is actuated by atraction device which comprises an adjusting screw fitting into a nut attached to the moveable slide.

Abstract: An apparatus for assembling a post-CMP cleaning brush. The post-CMP cleaning brush is provided with a brush core and an outer brush, and the outer brush is provided with a hollow portion. The apparatus comprises a base, a fixed member, a sliding member, a plurality of posts, and an actuating device. The base holds the brush core and the outer brush, and the fixed member is disposed on the base. The sliding member is disposed on the base in a manner such that it is located at the opposite side of the fixed member relative to the outer brush disposed on the base. The posts, disposed on the sliding member, pass through the fixed member and the hollow portion of the outer brush so as to assist the brush core in passing through the hollow portion of the outer brush. The actuating device connects with the brush core so as to pass the brush core through the hollow portion of the outer brush and separate the posts, inserted into the outer brush, from the outer brush.

Abstract: A roller particularly suitable for applying varnishes onto sheet metal plates comprises a hollow roller core (10). The hollow roller core (10) is connected with pins (16,18) via coupling elements (20,22) arranged in the interior of the roller core (10). With respect to the front faces (26), the coupling elements (20,22) are arranged so as to be inwardly offset. Air exit openings are provided in a border region (28) of the roller core (10). A channel forming element (34) is provided to connect the air exit openings (32) with a roller interior (44). Through the channel forming element (34), a channel (36) is formed connected with the roller interior (44) via the opening (42) provided in the coupling element (20).

Abstract: An elastic roller casing is replaced on a roller core by first removing the casing and a portion of a fastening layer, thereby reducing at least part of the fastening layer in thickness, centering a new casing on the core over the partly removed fastening layer, and then filling any remaining intermediate space between the partly removed fastening layer and the casing with a material to connect the casing to the partly removed fastening layer.

Abstract: The invention relates to a method for producing a paint roller having a roller body comprised of a synthetic foam with an inner recess for placement on a support arm. The invention is characterized in that the roller body is expanded in a molding tool. Towards this end, the expansion pressure is set such that a closed compact covering of the synthetic material, preferably a polyester polyurethane foam, is formed on the outer surface of the roller body and/or on the wall of the inner recess. The coating is at least partially opened or removed in a successive method step.

Abstract: In a method and an apparatus for the production of a cylindrical embossing sheet that is to be fixed on a rotating clamping cylinder for the manufacture of continuous webs having surface structures, such as holograms, cine-grams, exelgrams, for safety and reliability engineering and decoration purposes, it is provided that the plate-like starting material is bent around an auxiliary implement in particular of cylindrical shape, the diameter of which corresponds approximately to the diameter of the clamping cylinder, with the plate-like starting material being prepared such that, when it is placed around the auxiliary implement, the longitudinal edges butt against each other by a flush joint, and that the plate-like material is fixed in this position, and that the longitudinal edges are then welded together without any gaps by means of a laser.

Abstract: There is disclosed a roller (10) for a texturing press on a papermaking machine adapted to be fitted with an interchangeable engraved sleeve (12) and comprising a cylindrical shell (20, 21) having a plurality of axially and circumferentially spaced apertures (23) in its peripheral surface through which pressure fluid may be ejected and at least one axially extending channel (22) within the thickness of the shell for the supply of pressure fluid to the apertures.

Abstract: Rollers and cylinders that are useable in a rotary printing presses are made using hollow tubular casings having metallic foam cores. The casings and cores are made separately. The cores are then placed inside the casing and the two are secured in a force-transmitting manner.

Abstract: A printing sleeve in combination with a support device includes a printing sleeve having, a first end, a second end and an interior surface, and an inflation device acting on the interior surface of the printing sleeve when the printing sleeve is removed from a printing press. The combination advantageously permits the inflation device to act at both ends of the printing sleeve and also to make the combination portable.

Abstract: A method of manufacturing a tube-covered roller for fixing includes a step of setting a core material in a substantially central portion of a cylindrical mold and setting, outside the core material, a tube and a resin layer which is capable of coming into contact with an inner surface of the mold, a step of putting a rubber material between the core material and the tube and hardening the rubber material to produce a roller, and a step of, after detaching the roller covered with the tube and the resin layer from the mold, removing the resin layer from the roller.

Abstract: A method for forming a seamless cylindrical photosensitive element on a flexible cylindrical sleeve wherein the flexible sleeve is mounted onto a sleeve support to isolate the flexible sleeve from high temperature and/or high pressure associated with forming a cylindrical photosensitive layer on the flexible sleeve.

Abstract: A drum assembly comprises a replaceable sleeve of resilient material supported by a rigid cylindrical mandrel having an air bearing at one end to facilitate loading and removal of the resilient sleeve. The air bearing is provided by a pair of cooperating plates one of which is scored with equally spaced and radially extending slots. When urged together, the plates define a central air chamber and a plurality of radially-extending passages serving to direct pressurized air radially from one end of the mandrel.

Abstract: A printing sleeve removal device includes a first jaw arm and a second jaw arm movable with respect to the second jaw arm, the first and second jaw arms having ends forming a jaw to engage a printing sleeve. Also disclosed is a method for removing a printing sleeve comprising engaging a printing sleeve on a printing cylinder with a first jaw arm and a second jaw arm and moving the printing sleeve via the first and second jaw arms so as to slide the printing sleeve axially with respect to the printing cylinder.

Abstract: A method of resurfacing a traction roll to provide a friction surface to replace a worn surface. A supply reel of metal strip material is continuously unwound from a supply reel and rewound on a take-up reel. Between the reels, the unwound strip passes through a treating station at which a surface of the strip is prepared for coating and is then coated by one or two sprays of various types of thermal spray equipment as the applicator, with a polymer coating sometimes applied as a top coating. The take-up reel with the coated strip is then transported to a facility where the traction roll is located. The traction roll is then prepared for winding of the strip thereonto. The strip is wound helically onto the traction roll and secured thereto by doublesided adhesive tape disposed between and attached to the roll surface and the metal strip. In a modification, the strip is fed through the treating location in contact with an arcuate surface of a mandrel to impart curvature to the strip.

Abstract: A disposal cartridge for use in an image forming apparatus includes a sheet and a roller. An area of the sheet is at least equal to an area of the entire circumferential surface of the roller. The sheet is detachably bonded to an entire circumferential surface of the roller. The roller attracts toner and is detachably and rotatably mounted on the disposal cartridge.

Abstract: A brush alignment apparatus and method of using the same for aligning a hollow cylindrical brush on a cylindrical roller member comprising first and second ends and an outer surface defining a internal cavity, provided with a plurality of orifices extending from the outer surface to the internal cavity, a first receptacle having a channel running therethrough in fluid communication with the first end of the roller member, a second receptacle, a spine member, a first support arm supporting the first end of the roller member and a second arm supporting the second end of the roller member.

Abstract: A printing sleeve removal device has at least one band for wrapping around at least part of a printing sleeve and a tightening device connected to the at least one band for tightening the at least one band. Also provided is a method for axially removing a printing sleeve including placing a sleeve removal device over the printing sleeve, tightening the sleeve removal device so as to grasp the sleeve, and axially pulling on the removal device so as to axially remove the printing sleeve.

Abstract: In the present invention, in a process in which a fiber suspension supplied in a flat layer manner is subjected to natural dehydration, pressure dehydration, or suction dehydration, while circulating a cylindrical suction cylinder, and thereby, dehydration slowly proceeds and a paper web is formed, and this paper web is moved to an endless felt by means of a suction couch roll to produce paper, a tapered suction roll sleeve 6, the outer peripheral surface of which is cylindrical and the inner peripheral surface of which has an inclination identical to that of the outer circumference of the tapered suction roll cell 5 is attached and detached, and thereby, it becomes easy to conduct the attachment and detachment of various types of wires wound on tapered suction roll sleeve 6.