Abstract: Provided are a substrate cleaning apparatus and method and a brush assembly used therein. The substrate cleaning apparatus for contact-cleaning a substrate includes a cleaning brush rotatably disposed in a cylindrical shape and having an outer circumferential surface contacting the substrate to clean the substrate. Here, the cleaning brush includes a plurality of pressure chambers expanding by a fluid pressure and disposed along a longitudinal direction of a rotation axis rotating at a central portion of the cleaning brush, and the plurality of pressure chambers are individually expandable to allow a portion of the outer circumferential surface to protrude in a radial direction and thus contact-clean a portion of the substrate.

Abstract: In one embodiment, a pulling roll for drawing glass sheet in a down-draw process includes a shaft member and a compliant cover assembly positioned on the shaft member. The compliant cover assembly includes at least one traction disk positioned on the shaft member. The at least one traction disk includes an annular hub and a plurality of spring elements integrally formed with the annular hub. The spring elements project outward from the annular hub such that an end of each spring element is positioned radially outward from a base of each spring element and is circumferentially offset relative to the base of each spring element.

Abstract: In one embodiment, a pulling roll for drawing glass sheet in a down-draw process includes a shaft member and a compliant cover assembly positioned on the shaft member. The compliant cover assembly includes at least one traction disk and at least one deflection limiting disk positioned on the shaft member. The at least one traction disk includes an annular hub and a plurality of spring elements integrally formed with the annular hub. The at least one deflection limiting disk includes at least one deflection limiting element positioned on each deflection limiting disk. The at least one deflection limiting element engages at least a portion of at least one traction disk upon a predetermined amount of inward radial deflection of the plurality of spring elements, thereby limiting the inward radial deflection of the plurality of spring elements.

Abstract: A method for obtaining an incision in an embossing roller using a hob to provide protuberances that are rounded on top and which improve the quality of the embossed material and reduce the wear of the mechanical components of the embossing units. The shape of the protuberances is obtained by machining the cylindrical surface of the roller placed between the tailstocks of the lathe using a hob that has teeth, the profile thereof being complementary to the cross-section of the protuberances. A portion of the hob with the teeth generates the grooves that define the side faces of the protuberances. The grooves between the teeth of the hob have a profile that is curvilinear in a cross-sectional view. With a double pass at two different inclinations of the surface of the roller, the protuberances of FIGS. 5 and 6 are generated.

Abstract: A labelling unit movable along a given path for receiving labels and comprising a hollow receiving member having a lateral wall for receiving a relative label, extending around an axis transverse to the path and comprising a suction portion having through holes; a suction pneumatic device connected to the holes through the inside of the receiving member that can apply suction to retain a label on the outer surface of the lateral wall; and a hollow distributor member coaxially arranged inside the receiving member and provided with a number of angularly spaced opening sections having different heights parallel to the axis and correlated to the heights of different labels processed by the unit, and rotatable in at least two different angular positions, each corresponding to a selected opening section of the suction portion of the lateral wall such that only the holes facing the selected opening section are operative.

Abstract: A manufacturing method of an application roller that applies a coating solution onto a surface of a substrate, wherein the application roller includes a roller body that includes a large diameter portion and small diameter portions coaxially extended from both ends of the large diameter portion, the manufacturing method includes: overlaying a resin layer on at least an outer periphery of each of the small diameter portions; forming a masking portion on the outer periphery of each of the small diameter portions by processing an outer periphery of the resin layer; and forming an application groove portion on an outer periphery of the large diameter portion.

Abstract: A roller for producing optical films is disclosed. The roller includes a cylindrical main body and a micro-structured layer surrounding a circumferential surface of the main body. The microstructure layer includes a number of microstructures on its surface away from the main body. The microstructure layer is made from ethylene tetrafluoroethylene.

Abstract: The inventive sheet conveying roller includes a plurality of linear projections provided on an outer peripheral surface of a roller body of an elastic material and each having a generally right-angled triangular cross section which includes a hypotenuse edge and an adjoining edge provided on a forward side and on a rearward side, respectively, with respect to a roller body rotation direction, the adjoining edge aligning with a line perpendicular to a center axis of the roller body. The linear projections are rounded with the hypotenuse edges and the adjoining edges thereof connected to each other by curves as seen in section, and provided integrally with the roller body to be equidistantly arranged on the outer peripheral surface of the roller body.

Abstract: A develop roller includes a magnet roller, and a develop sleeve containing the magnet roller and comprising a plurality of depressions in an elliptic shape regularly arranged with an interval in a longitudinal direction on a surface onto which developer is attracted by a magnetic force of the magnet roller, wherein the depressions are arranged such that a longitudinal direction of the depressions is intersected with the longitudinal direction of the develop sleeve, and a downstream side of the depressions are formed to be deeper than an upstream side in a rotary direction of the develop sleeve.

Abstract: A roll coupled to a separately manufactured axle rotates together with the axle in order to perform a rolling process. The roll includes an inner cylindrical surface, an outer cylindrical surface and both side faces, and at least one key way provided on at least one of the side faces is arranged adjacent to the inner cylindrical surface rather than said outer cylindrical surface, The key way is in a concave curved shape and is a portion of a spherical surface or of an ellipsoidal surface.

Abstract: A development device including a developer container, a developer bearer, a magnetic field generator, a developer agitator to supply the developer to the developer bearer, and a developer regulator to adjust a layer thickness of the developer carried on the developer bearer. Multiple oval recesses oblique to the axial direction of the developer bearer are formed in the outer circumferential surface of the developer bearer and arranged in a circumferential direction and the axial direction thereof. An upstream inner wall of the recess in the rotational direction of the developer bearer applies a force to the developer as the developer bearer rotates, and an angle between a long axis of the recess and the axial direction is set so that the force applied by the upstream inner wall of the recess has a component in a direction substantially identical to the developer conveyance direction of the developer agitator.

Abstract: A drive roller for flat belts is provided in various embodiments wherein the roller has improved characteristics for maintaining traction of belts, such as lagging applied to the roller.

Abstract: The present invention includes methods and materials for making a brush or pad for removing materials, particles, or chemicals from a substrate. The brush or pad includes a rotatable base for supporting a porous pad material. The base include an inner surface and an outer surface and a plurality of channels in the base for interlocking the porous pad material with the base. A porous pad material covers at least a portion of the outer surface of the base and is used for removing material from various substrates. The porous pad material fills one or more of the channels in the base and interlocks the porous pad material with the base. Preferably the channels fluidly connect said inner surface with the outer surface of the base and aid in the alignment of porous pad nodes and the distribution of fluid within the porous pad.

Abstract: The present invention provides a sheet conveying roller, which effectively reduces the amount of paper dust accumulated on its outer peripheral surface to thereby suppress sheet transportation failure. The sheet conveying roller includes a nonporous tubular elastic member (1). The elastic member (1) has a plurality of recesses (6) or a plurality of through-holes (8) equidistantly arranged in a center axis (L1) direction thereof and equidistantly arranged in a circumferential direction thereof, and each having an opening having a round plan shape in an outer peripheral surface (2) thereof, wherein the recesses (6) each have a constant depth as measured thicknesswise of the elastic member (1), wherein the through-holes (8) each extend thicknesswise through the elastic member (1). A production method includes forming the elastic member by vulcanizing a rubber composition in a vulcanization mold having projections corresponding to the recesses or the through-holes.

Abstract: An apparatus and method for picking up stickers in grassy or other ground areas. A roller is rotatably mounted on a frame and a stretchable fabric is removably mounted and stretched on an outer surface of the roller. The fabric is of a construction and thickness to pick up stickers as the roller is moved by the frame and rotated in engagement with a grassy or other ground surface. When the fabric is full of stickers, it is removed from the roller and replaced with a new unused stretchable fabric that is removably mounted on the roller.

Abstract: An autonomous coverage robot includes a chassis having forward and rearward portions. A drive system is mounted to the chassis and configured to maneuver the robot over a cleaning surface. A cleaning assembly is mounted on the forward portion of the chassis and has two counter-rotating rollers mounted therein for retrieving debris from the cleaning surface, the longitudinal axis of the forward roller lying in a first horizontal plane positioned above a second horizontal plane on which the longitudinal axis of the rearward roller lies. The cleaning assembly is movably mounted to the chassis by a linkage affixed at a forward end to the chassis and at a rearward end to the cleaning assembly. When the robot transitions from a firm surface to a compressible surface, the linkage lifts the cleaning assembly from the cleaning surface.

Abstract: In one aspect, a vacuum drum assembly for use with a labeling apparatus includes apertures for supporting labels on an outer surface using vacuum pressure. The vacuum drum assembly may include air distributors for providing vacuum pressure to selected apertures to accommodate various lengths or widths of labels. The vacuum drum assembly may also be adjustable to vary the spacing between apertures to accommodate various lengths of labels.

Abstract: A developing roller on a circumferential surface of which toner is held is provided. In the developing roller, intersecting first and second grooves are formed. Protrusion portions are disposed in areas surrounded by the first and second grooves. The protrusion portions have minute projections.

Abstract: An automated banking machine (10) includes a sheet picking mechanism (210). The sheet picking mechanism includes a rotatable picking member (212). With each rotation an end sheet (266) can be picked from a stack (264) of sheets. The picking member (212) has an outer surface section that includes a high friction portion (256) axially adjacent to a low friction portion (258). The low friction portion comprises an arcuate projecting portion that reduces risk of damage to a leading edge area of the end sheet due to opposed picking and stripping forces.

Abstract: A sheet conveying apparatus for conveying a sheet having an image formed thereon includes: a first rotator; a second rotator that comes into pressure contact with the first rotator and contacts a surface of the sheet having the image formed thereon; and a plurality of ribs that are formed on a circumferential surface of the second rotator and disposed in an axial direction so as to be continuous in a circumferential direction. Among the plurality of ribs, the ribs disposed at both ends of the second rotator in the axial direction have a diameter that is smaller than those of the other ribs.

Abstract: A developing roller includes a developing sleeve and a magnet roller disposed within the developing sleeve to attract developer to an outer surface of the developing sleeve by magnetic force. The outer surface of the developing sleeve has a plurality of recesses of circular or elliptic shape in plan view regularly or irregularly arranged therein so as not to overlap.

Abstract: A printer includes a housing, one or more print cartridges, and a positioning system configured to position print media for printing by the one or more print cartridges. The positioning system including a rotatable star wheel for translating the print media relative to the housing, the star wheel including a plurality of teeth disposed around an outer perimeter of the star wheel. At least the tips of the star wheel teeth are formed from plastic.

Abstract: The present invention relates generally to the manufacture of oil filters. The present invention provides a channel roll with a unique design that minimizes the channel roll surface contact with oil filter media. The design includes the formation of ridges projecting from the surface of the channel roll of such a design that is sufficient to control movement of the roll of oil media into the oil media pleating process, yet greatly reduce the surface contact with the oil media.

Abstract: An apparatus including a surface containing at least one embossing element. The embossing element having a first sidewall angle and a second sidewall angle and wherein the first sidewall angle is different than the second sidewall angle.

Abstract: A log feed roll for displacing a log has a roll which may be rotated around a rotary axis, flutes for propelling the log, and removable flute attachments fastened to the flutes for contacting the log during engagement of the log in the feed roll. The flutes have flute apertures extending through side walls thereof. The attachments have a top attachment section from which generally opposed side braces extend. The attachments are fastened to the flutes by bolts extending through the brace apertures on one side brace, the flute apertures and the brace apertures on the opposing side brace, and nuts engaged on the bolts on the opposing side brace. The side walls are situated between the side braces, in abutment therewith when the attachment is fastened to the flute.

Abstract: A grooved forming roll in a paper machine has a rotably supported shell (20) with circular openings (21) arranged to be open at least on the outer surface of the shell (20). Each opening (21) has a circular groove which is formed on the outer surface and which is arranged concentrically relative to the opening (21). A portion of the formed circular openings (22) extends to each opening (21) from each adjacent opening (21). The outer radius (r) of the circular groove (22) is arranged such that the number of necks (24), delimited by the adjacent openings (21) and their circular grooves (22) on the shell outer surface within the area of one circular groove (22), is greater than the number of the adjacent openings (21) of the corresponding opening (21).

Abstract: Projections 4-formed on a circumferential surface of a roller portion of the sheet feed roller comprise straight grain projections whose projecting direction faces to the rotation direction of the roller portion, and reverse grain projections that are formed in a direction opposite to the surfaces of the straight grain projections. The straight grain projections are formed so as to be adjacent to each other in the axial direction of the roller portion, that is, in the direction of arrow B and are also formed in two or more rows in the circumferential direction of the roller portion, that is, in the direction of arrow A. The reverse grain projections are formed so as to be adjacent to each other in the axial direction of the straight grain projections and are also formed in the circumferential direction.

Abstract: The cleaning implement includes a shaft having an operator end and a cleaning end, a mop head comprising a liquid-absorbent material and a wringing mechanism. The mop head and the wringing mechanism are movable relative to one another between at least a cleaning position and a plurality of wringing positions. The wringing mechanism includes a roller which compresses at least a portion of the liquid-absorbent material to thereby expel liquid therefrom. The plastic roller has a plurality of spaced ribs defining cavities therebetween. The ribs are complementally shaped and dimensioned to allow rolling contact relative to the liquid absorbent material as travel takes place between the cleaning position and a wringing position.

Abstract: A star roller used in a paper feed mechanism of an ink-jet printer is constituted by a combination of two star roller units having the same shape in a manner so that one star roller unit is reversed with respect to the other star roller unit. Each star roller unit has a star wheel made of a metal plate by press working, a bearing portion integrally formed with the star wheel by outsert molding and a convex and concave structure formed on an end face of the bearing portion in a manner so that the concave portions of the convex and concave structure of the one star roller unit is engaged with the convex portions the convex and concave structure of the other star roller unit. Consequently, the pitch of the contacting portions of the star roller owing to two star wheels can be made substantially half, and a thickness of each contacting portion can be made thinner, and a top end of each contacting portion can be shaped acute.

Abstract: A roller assembly is provided. The roller assembly comprises a groove that the includes two opposing surfaces. The roller assembly comprises either frictional surfaces positioned along the groove, or O-ring(s) coupled to the groove. The frictional surfaces may be a plurality of holes at spaced intervals along the opposing surfaces of the groove, a plurality of holes, each hole sized so as to extend into the two opposing surfaces, at spaced intervals along the opposing surfaces of the groove, or may be a bead-blasted surface or a knurled surface positioned along the opposing surfaces of the groove.

Abstract: A plate cylinder has a cylinder body having a cylinder body outer surface for a first image to be printed and a first end, and a shell having an inner surface circumferentially disposed about the first end and having a gap for holding a printing plate, the shell being axially and circumferentially moveable with respect to the first end and having a shell outer surface for a second image to be printed, the inner surface having at least one projection directed inwardly, the gap extending into the projection.

Abstract: Hair is removed from the skin using an applicator comprising a dispenser to be mounted on an open container of depilatory material, the dispenser comprising a housing containing a roller having ribs, the facing wall of the housing having recesses by which depilatory material is applied to the skin in a substantially even thin layer.

Abstract: A cleaning sponge roller is made of a polyvinyl acetal-based porous sponge having elasticity in a wet state and comprises a generally cylindrical roll body and a plurality of protrusions molded integrally on the periphery of the roll body. The cleaning sponge roller rotatingly cleans a material to be cleaned by contacting the top portions of the protrusions with the surface of the material and brushing off polishing residues found on the surface of the material. Each of the protrusions has a tapered protruding base portion extending from the periphery of the roll body, and a protruding end portion having almost the same sectional shape from the top end surface of the protruding base portion to the top portion.

Abstract: A tape guide that includes multiple spaced grooves or a spiral groove in the surface of the hub to bleed air from between the surface of the hub and the tape. The distance between adjacent grooves or turns in the case of a spiral groove is 2.4 to 3.7 times greater than the width of each groove or turn. For tape guides used with ½ inch type data storage tapes that have a nominal tape width of 12.65 mm, the grooves or turns are 0.30 mm to 0.38 mm wide and spaced 0.90 mm to 1.12 mm center to center.

Abstract: In a composite roll for manufacturing heat transfer tubes that has two or more grooving rolls having protrusions where at least one of cross sectional shapes, lead angles relative to a rotation direction and sizes is different, by coaxially combining the rolls to form multiple types of grooves on a surface of metallic strips by pressing against the metallic strips, the composite roll for manufacturing heat transfer tubes of the present invention is characterized in that the two or more grooving rolls are joined in one body in a mutually surface contacting state. It is also preferable that the two or more grooving rolls are joined by diffusion bonding.

Abstract: A tape guide that includes multiple spaced grooves or a spiral groove in the surface of the hub to bleed air from between the surface of the hub and the tape. The distance between adjacent grooves or turns in the case of a spiral groove is 2.4 to 3.7 times greater than the width of each groove or turn. For tape guides used with ½ inch type data storage tapes that have a nominal tape width of 12.65 mm, the grooves or turns are 0.30 mm to 0.38 mm wide and spaced 0.90 mm to 1.12 mm center to center.

Abstract: A brush core and the method for making a brush core for use in substrate scrubbing are provided. The substrate can be any substrate that may need to undergo a scrubbing operation to complete a cleaning operation, etching operation, or other preparation. For instance, the substrate can be a semiconductor wafer, a disk, or any other type of work piece that will benefit from a brush core that can deliver uniform controlled amounts of fluid through the brush along an entire length of the brush core. The brush core is defined by a tubular core having a length that extends between a first end and a second end. The first end has an opening into a bore that is defined through a middle of the tubular core and extends along an inner length of the tubular core. A first plurality of holes are oriented along a plurality of first lines that extend in the direction of the length of the tubular core, and each of the first plurality of holes define paths to the bore of the tubular core.

Abstract: A sheet such as paper or a hard film can be fed accurately in an intended direction while positively holding the sheet merely by applying plastic processing to a peripheral surface of a metallic rod. A plurality of spike-like projections A, B risen at an obtuse angle, at an acute angle or at right angles in a rotational direction of a metallic rod 1 are formed on an inner peripheral surface of the metallic rod 1 by plastic processing.

Abstract: A tape guide that includes multiple spaced grooves or a spiral groove in the surface of the hub to bleed air from between the surface of the hub and the tape. The distance between adjacent grooves or turns in the case of a spiral groove is 2.4 to 3.7 times greater than the width of each groove or turn. For tape guides used with ½ inch type data storage tapes that have a nominal tape width of 12.65 mm, the grooves or turns are 0.30 mm to 0.38 mm wide and spaced 0.90 mm to 1.12 mm center to center.

Abstract: The invention relates to a roll for a paper or board machine comprising axle journals on whose support the roll is arranged to revolve, eng flanges with which the axle journals are connected, and a mantle which is connected with the end flanges. The mantle is provided with a number of openings extending through the mantle and/or recesses formed into the outer surface of the mantle, which openings and/or recesses form a regular pattern. Solid connecting portions in the outer surface of the mantle around said openings and/or recesses are opened so that, from each opening and/or recess, there is a connection, provided in the form of a groove or an additional recess extending into the outer surface of the roll mantle, with at least each of the openings and/or recesses closest to it.

Abstract: A cleaning sponge roller is made of a polyvinyl acetal-based porous sponge having elasticity in a wet state and comprises a generally cylindrical roll body and a plurality of protrusions molded integrally on the periphery of the roll body. The cleaning sponge roller rotatingly cleans a material to be cleaned by contacting the top portions of the protrusions with the surface of the material and brushing off polishing residues found on the surface of the material. Each of the protrusions has a tapered protruding base portion extending from the periphery of the roll body, and a protruding end portion having almost the same sectional shape from the top end surface of the protruding base portion to the top portion.

Abstract: A synthetic sponge having a high density is rinsed while changing the hydrostatic pressure of rinsing solution in pore spaces of the sponge to remove chemical residue and particulate matter more completely. The hydrostatic pressure can be changed by varying fluid supply pressure or varying centrifugal force. A rinsing apparatus includes a rotatable container and a fluid supply for supplying rinsing solution to sponge material in the container.

Abstract: A sheet conveying mechanism for a printer which records an image on a sheet fed from a sheet feeder, includes a hard pinch roller; and a capstan roller confronting the pinch roller, the capstan roller associating with the pinch roller to convey at least one sheet. The capstan roller has a surface on which a plurality of projections are formed. The height of the projections is 60 &mgr;m±40 &mgr;m, a projection pitch in an axial direction of the capstan roller is 0.5 mm±0.2 mm, and the projections are arranged on half or more of the area of the surface of the capstan roller.

Abstract: Hardfacing for a sugar mill roller is disclosed including a wear resistant material supported by a mild steel matrix and applied to the outer surface of the sugar mill roller. A method of hardfacing a sugar mill roller is also disclosed wherein a mild steel weld pool is formed on the surface of the roller, a particulate wear resistant material is impinged on the weld pool, and the weld pool is allowed to solidify. A method of applying a hardfacing capping to a ridge profile of a sugar mill roller is also disclosed, wherein hardfacing composition comprising a mild steel matrix material is progressively laid up by welding and a particulate abrasion resistant material is continuously impinged thereon.

Abstract: The present invention relates to a labeling apparatus for paying out and applying self-adhesive labels, which with each operating cycle moves one self-adhesive label into a dispensing position underneath an applicator roll having a sleeve with a cylindrical jacket, via which sleeve the applicator roll is rotatably mounted on a hub. It is proposed to equip the sleeve with at least one profiled ring projecting radially outwardly beyond the cylindrical jacket. Because the profiled ring and the sleeve are made preferably of a material that is harder than the cylindrical jacket and hence ink-repellent, the printed data on the label are not smeared, in spite of the low outlay involved in the manufacture of the applicator roll.

Abstract: A cylinder for a rotary printing press can be changed between two operating modes. In a first one of these operating modes the cylinder's surface is divided into many sections. In the second operating mode, the cylinder has a functionally continuous surface area.

Abstract: A roller including an internal supporting structure and at least one layer of elastic silicone-based material attached to the supporting structure and forming a mirror-finished flexible outer surface of the roller. The supporting structure includes a central hollow perforated cylindrical body having a central axis and a pair of opposite ends; and a pair of end flanges attached to the cylindrical body at the opposite ends. Each of the pair of end flanges has outer circumferential surfaces which are raised with respect to the outer surface of the cylindrical body such that the supporting structure is removably insertable inside a hollow support-mold by having the outer circumferential surfaces engage with an inner surface of the support-mold for forming an interspace between the inner surface of the support-mold and the outer surface of the cylindrical body for containing elastic silicone-based material introducable from inside the supporting structure and through the perforated cylindrical body.

Abstract: An industrial cleaning sponge includes an industrial sponge roller device having a cylindrical body of polyvinyl acetal material and a plurality of projections, formed of the polyvinyl acetal material, extending from an outer surface of the cylindrical body. The projections have a truncated conical shape with each projection including a circular base coupled to the outer surface of the cylindrical body, a circular, planar top surface and a side wall extending outwardly from the top surface to the base.

Abstract: A method of producing a roller casing of a roller has providing a plane casing blank, forming an outer helical raised structure on the plane casing blank, bending the plane casing blank with the raised structure to form a cylindrical roller casing, and connecting with one another abutting regions of the cylindrical roller casing.

Abstract: A roll for selective use as either a support drum or as a rider roll in a winder for winding a traveling paper web into a relatively large diameter wound web roll has a body with an outer, elastomeric cover. The elastomeric cover includes a pattern, open to the surface, arranged such that the percent of volumetric void for a unit of cover volume is such that the effective hardness of the cover ranges between about 30 Shore “A” to about 55 Shore “A” where the roll is a support drum, and between about 40 Shore “A” to about 65 Shore “A” when the roll is a rider roll. In addition, the elastomeric material has an absolute hardness of about 65 Shore “A”, or less, for a support drum, and about 75 Shore “A”, or less, for a rider roll, and a Poisson's ratio of between about 0.47 to about 0.499.