Abstract: An elastic body layer is composed of a conductive rubber composition containing an isoprene rubber, a rubber other than the isoprene rubber, and carbon black. The elastic body layer is phase-separated into a first rubber phase containing the isoprene rubber and a second rubber phase containing the rubber other than the isoprene rubber; in the range of a 5 ?m×5 ?m square of an arbitrary cross section of the elastic body layer, the area ratio of the first rubber phase is within a range of 10 to 90%. The resistance value of the elastic body layer is within a range of 1.0×103 to 1.0×106?. A surface layer contains an electronic conductive agent and a crosslinked body of at least one polyurethane resin of an ether polyurethane resin and a carbonate polyurethane resin, and the glass transition point of the surface layer is within a range of ?10 to ?70° C.

Abstract: A method of production of a polyether rubber containing unit expressed by the following general formula (1) in 0.1 mol % or more and less than 30 mol % obtained by reacting a polyether rubber containing epihalohydrin monomer unit in 0.1 mol % or more and a nitrogen atom-containing aromatic heterocyclic compound by kneading in the presence of an acid acceptor containing at least a hydrotalcite having a nitrogen adsorption specific surface area as measured by a BET method of 10 m2/g or more is provided. wherein, in the above general formula (1), A+ is a group containing a cationic nitrogen-containing aromatic heterocyclic ring, and is bonded with a carbon atom at the “2” position shown in the above general formula (1) through a nitrogen atom constituting the cationic nitrogen-containing aromatic heterocyclic ring, and X? is any counter anion.

Abstract: A charging member including an electro-conductive substrate, an electro-conductive elastic layer, and an electro-conductive surface layer, wherein the elastic layer includes a polymer having a unit derived from ethylene oxide and at least one particle selected from the group consisting of graphite particles and graphitized particles; wherein a particle-exposing portion where the particle is exposed is present on the surface of the elastic layer; the surface of the elastic layer including the particle-exposing portions is coated with the surface layer; the surface layer includes binder resin and resin particles dispersed in the binder resin and has a plurality of protrusions derived from the resin particles on the surface; when the resin particles in the surface layer are orthographically projected onto the surface of the elastic layer, areas other than projected areas of the resin particles on the surface of the elastic layer overlap the particle-exposing portion.

Abstract: Provided is a developer carrying member which depends on a sheet-passing speed to a small extent while maintaining satisfactory developability, and can stably suppress a fogging amount with time. The developer carrying member includes: an electro-conductive mandrel; and an electro-conductive elastic layer, in which: the elastic layer contains a resin j, an electro-semiconductive particle p, and an electro-conductive particle c; and when an electroconductivity of the resin j is defined as ?j, a dielectric constant of the resin j is defined as ?j, an electroconductivity of the electro-semiconductive particle p is defined as ?p and a dielectric constant of the electro-semiconductive particle p is defined as ?p, ?j, ?j, ?p, and ?p satisfy relationships represented by the following formulae (1) and (2), ?j, ?j, ?p and ?p being calculated by an AC impedance method. ?j<?p<0.

Abstract: This invention provides a fixing member whose hardness is not easily changed even when used for a long period of time and which has high endurance. The fixing member has a substrate, an elastic layer, and a surface layer in this order, in which the elastic layer contains silicone rubber, a thermally conductive filler containing alkali metal ions, and a compound having a phosphate group in the molecule.

Abstract: An electrophotographic member whose performances are hardly changed even after a long-term use is provided. An electrophotographic member having a mandrel, an elastic layer and a surface layer, wherein the surface layer contains a titanium oxide film having chemical bonds represented by the following formula (1) and formula (2) is provided.

Abstract: A roller includes a shaft including reinforcing fiber and a binder resin; and an elastic body surrounding an outer surface of the shaft, wherein an average length to average diameter ratio (L/D) of the reinforcing fiber is from about 15,000:1 to about 50,000:1.

Abstract: A feed roll for a strand pelletizer and a method for producing the feed roll for a strand pelletizer. The feed roll comprises a metallic roll core and a sheathing located on the metallic roll core. The sheathing can comprise a plastic material and at least one metal mesh. The feed roll can be produced by: providing a metallic roll core, arranging a metallic mesh on the roll core, and molding over the metallic mesh with a plastic material to form the sheathing.

Abstract: To provide a charging member that can not easily cause faulty cleaning on a photosensitive member while having a flexibility high enough to form a nip between it and the photosensitive member in a sufficient width. The charging member has an electro-conductive support and an elastic layer that is a surface layer, which elastic layer has at its surface a region having been cured by irradiation with electron rays, where this region supports spherical polyethylene particles in such a state that the spherical polyethylene particles are exposed to the surface of the elastic layer, thereby making the surface roughened.

Abstract: An industrial roll includes: a substantially cylindrical metallic core; a base layer that is adhered to and circumferentially overlies the core; and a top stock layer that circumferentially overlies the base layer. The top stock layer includes circumferential grooves, wherein the grooves have a width/height ratio of at least 0.7.

Abstract: A holding jig (1, 2, 3) for a thin cylindrical work (W) includes a holding member (10, 10A, 10B) which holds the work (W) from an inner peripheral side and a diameter changing unit (25, 27) which changes a diameter of the holding member (10, 10A, 10B). The holding member (10, 10A, 10B) is made of metal and has a cylindrical shape and an elastically expandable or contractible diameter. The holding member (10, 10A, 10B) is configured with an outside diameter of the holding member (10, 10A, 10B) being held smaller than an inside diameter of the work (W) at the time of insertion into an inner periphery of the work (W) and being expanded after inserted into the inner periphery of the work (W) to hold the work (W) from an inner peripheral side of the work (W) with an outer peripheral surface in close contact with an entire inner peripheral surface of the work (W).

Abstract: The invention relates to a multi-layer, expandable sleeve (100) for a printing press cylinder, particularly for flexographic printing. The sleeve has an inner layer (110) with a hard surface inner jacket (112), which defines a longitudinal axis (A) and the cavity for mounting on the cylinder, and an outer layer (130) with a cylindrical outer jacket (132) for carrying an outer shell, a printing plate or a separate outer sleeve, in particular. An intermediate layer (120), manufactured in the form of a lightweight honeycomb having honeycomb cells oriented radially (B) to the longitudinal axis (A), is provided between the inner jacket (112) and the outer jacket (132). According to the invention, the intermediate layer (120) comprises at least one honeycomb layer (122-1, 122-2, 122-3, 122-4, 122-5) consisting of shaped cured fiber composite honeycomb made of fiber material embedded in a resin matrix.

Abstract: Provided is a conductive roller including a shaft 1, and an elastic layer 2 and a surface layer 3 formed on the periphery of the shaft in the order mentioned. The elastic layer 2 is composed of a polyurethane foam containing a polyurethane resin and a waterproofing agent. By containing the waterproofing agent in the formulation of the polyurethane foam constituting the elastic layer 2, the environment-dependence of the roller resistance is improved, the resistance variance accompanied by change in the environment can be controlled, and pores formed on the surface of the elastic layer 2 are made fine, whereby the surface properties of the roller improve. Also provided is a method of manufacturing the above-mentioned conductive roller.

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 pickup roller includes a supporting layer and a pickup layer, which includes a base surrounding the outer perimeter of the supporting layer and a plurality of particles which are distributed throughout the base and have a different hardness than a hardness of the base.

Abstract: A charging member includes a substrate and an outermost layer that is on the substrate, is in contact with a member to be charged, and contains a cross-linking fluorocarbon siloxane rubber composition, wherein the charging member charges the member to be charged by being brought into contact with the member to be charged while a voltage is applied.

Abstract: A roller includes an outer cylindrical portion and an inner cylindrical portion arranged concentrically with the outer cylindrical portion. A plurality of connection spokes are provided for connecting the outer cylindrical portion and the inner cylindrical portion to each other, wherein each of the connection spokes are connected along a non-linear connection path with respect to an axis extending between the outer cylindrical portion and the inner cylindrical portion of the roller to provide a tunable spring constant in the roller.

Abstract: A pick roller as a feed roller of a conveying device includes an inner core portion rotatably disposed on a rotational shaft, a rubber in contact with a sheet, and an outer core portion on which the rubber is mounted and that is removably mounted on the outside of the inner core portion. This enables replacement of the rubber and the outer core portion as one body, making replacement of the rubber easy without improper mounting.

Abstract: Conventional art has a structure consisting of a roll axis incorporating a structure of fine pores, and a roll unit provided around the outer circumference of a roll axis, wherein internal pressure of the roll axis is dispersed to the roll unit to make a fluid (gas-liquid) suction action, thus reducing the pressure loss and obtaining even distribution of the fluid (gas-liquid). As such, instead of a tubular roll axis, the structure of a roll axis is made fin-shaped or groove-shaped to maximize the action surface area that works on the inner pressure of the roll axis of the roll unit. However, other problems such as inefficiency of the fluid (gas-liquid) suction action and lack of mechanical strength of the roll axis remains.

Abstract: Provide herein is a bias charging member that includes a conductive core, and an outer surface layer disposed on the conductive core. The outer surface layer includes carbon black and polycarbonate.

Abstract: The conductive member has a conductive support and a conductive elastic layer. The elastic layer is a mixture containing an electron conductive agent and a binder polymer, or a cured product thereof, and the electron conductive agent contains a carbon black satisfying the following characteristics: (i) an average primary particle diameter is 20 nm or more and 30 nm or less; (ii) a DBP oil absorption is 40 ml/100 g or more and 70 ml/100 g or less, and the total amount of CO and CO2 generated by temperature programmed desorption/mass spectrometry is 0.30 mass % or more and 0.80 mass % or less with reference to the carbon black; and (iii) the amount of SO2 generated by the temperature programmed desorption/mass spectrometry is 0.05 mass % or more with reference to the carbon black.

Abstract: The present invention relates to a roller assembly and a rolling apparatus of a cooker including the roller assembly. In the present invention, an inner roller formed of ceramic material is coupled inside an outer roller formed of Teflon material. Thus, according to the present invention, while retaining a predetermined thermal resistivity and strength, roller assembly can be more easily fabricated.

Abstract: A roller assembly (40) including a roller (46) fixed to a flange bearing (48) which is engaged with a roller sleeve (50) and rotatable relative to it, the roller (46), the flange bearing (48) and the roller sleeve (50) all being retained on a mounting screw (51) between a nut (58) threaded onto the screw (51) and a washer (52) mounted on the nut (51).

Abstract: Pressure rolls for apparatuses useful in printing, apparatuses useful in printing and methods of making pressure rolls are provided. An exemplary embodiment of a pressure roll for an apparatus useful in printing includes a first layer including silicone rubber, the first layer including a first outer surface, a first end face and an opposite second end face; a second layer including a polymer overlying the first layer, the second layer including a second outer surface, a third end face and an opposite fourth end face; and a sealing material bonded to and covering the first, second, third and fourth end faces. The sealing material includes a polymer that is impervious to, and chemically resistant to, a release agent comprising silicone oil.

Abstract: An impression roller for gravure printing for use with an electrostatic printing aid, including an axis member or a shaft, joined axially to a steel core, an electrical inner insulating layer extending radially around the core, an electrically semi-conductive outer layer adjoining the outside of the impression layer, and an electrically highly conductive conductor layer arranged between the two. The conductor layer is encapsulated in an electrically insulated exterior. The impression roller is provided with an electric or electronic encapsulated circuit electrically insulated from the outside and having two poles, which is of low resistance in normal operation when the electric current flows from its positive pole to its negative pole and is of high resistance when the flow direction is opposite. The inner pole and outer pole of the circuit are connected to the conductor layer by an inner and outer connection of the impression roller respectively.

Abstract: A roller for transporting a recording medium includes an inner layer having a shaft hole through which a rotating shaft passes; and an outer layer formed outside the inner layer and brought into contact with the recording medium. At least a first end surface of the inner layer in a direction along the rotating shaft is located inside the outer layer remote from end surfaces of the outer layer in the direction along the rotating shaft.

Abstract: An improved contact nip roll, a method for assembling an improved contact nip roll, a system for nipping a web, and a method for nipping a web are provided. The improved contact nip roll integrates an inner softer core that can provide compliancy to web caliper variations, while rigid annular rings and a harder outer skin can maintain a uniform contact area.

Abstract: Exemplary embodiments provide materials, methods, and systems for a fuser member used in electrophotographic devices and processes, wherein the fuser member can include a coating material containing a plurality of nanoceram fibers dispersed in a polymer matrix for providing a desired gloss level of fused toner images.

Abstract: A protective film includes an adhesive layer, a metal nitride layer, and an anti-adhesive layer. The metal nitride layer is coated on the adhesive layer. The anti-adhesive layer is coated on the metal nitride layer.

Abstract: A roller component includes a layer composed of a foamed rubber material including plural cells formed by gas, the layer being formed into a substantially cylindrical body, wherein the volume of the cells decreases from the inner side of the substantially cylindrical body toward the outside.

Abstract: A roller assembly for a production machine having an inner wheel base capable of attachment to the driving axle of a production machine and an expandable outer ring which is cooperatively connectable to the inner wheel base is disclosed. The circumference of the expandable outer ring is adjustable. An outer roller cover mounts circumferentially around the adjustable expandable outer ring.

Abstract: A rolling device of utilizing flexible material, such as a soft piece, a tap, a plastic piece, a cardboard, a metal sheet, to roll a flexible thin component, such as a soft piece, a paper, a plastic piece, a metal sheet, a cloth, so as to inject the flexible thin component into the rolling device or to eject the flexible thin component out of the rolling device.

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: In one embodiment, a fuser roll for fusing toner images onto a substrate includes a substantially rigid core member, a deformable, heat conductive base layer overlaying the surface of said core member, and an outer layer supported on the base layer. The outer layer is formed of a heat conductive, conformable amorphous metal.

Abstract: A conductive member (10) includes a conductive supporting body (1), an electric resistance adjusting layer (2), which is formed onto the conductive supporting body (1) and is disposed to face a photoconductor (4), and a pair of space holding members (3, 3) disposed in both ends of the electric resistance adjusting layer (2), so as to have contact with the photoconductor (4) to maintain a predetermined gap (G) between the electric resistance adjusting layer (2) and the photoconductor, and each of the space holding members (3, 3) includes a cylinder portion (3a) attached to the outer circumference surface (2a) of the electric resistance adjusting layer and an end plate (3b) provided in one end portion of the cylinder portion and disposed to have contact with the end surface (2b) of the electric resistance adjusting layer.

Abstract: A pin wheel roller assembly for a bacon slicer. The roller assembly is formed with a number of individual spacer segments and an end cap. The pin wheel assembly is formed with a pin wheel sandwiched between adjacent cylindrical segments and the end cap.

Abstract: A developing roller that can form a toner image with high quality includes: a supporting shaft, and at least one resin layer formed on a peripheral face of the supporting shaft, the resin layer containing carbon black in which a number average Feret's diameter is in a range from 5 to 300 nm and primary particles account for 5% or more on a number basis, and the carbon black being dispersed in a base resin material thereof.

Abstract: Methods of reinforcing a fibrous roller cladding material, reinforced roller cladding materials and clad lehr rollers wherein the cladding comprises a reinforced fibrous material are disclosed. The roller cladding material, which comprises a fiber board, is reinforced by a method comprising firstly contacting the cladding material with a fluid medium comprising a reinforcing agent whereby fluid is absorbed by the cladding material, and secondly, drying the cladding until the surface of the cladding is dry to the touch, characterized in that the reinforcing agent comprises a compound of phosphorus or a compound of boron. Roller cladding materials reinforced according to the methods disclosed have an improved resistance to cullet damage. The reinforced roller cladding material may be used as the cladding of a clad lehr roller, of the type used for example to convey flat glass in sheet or ribbon form.

Abstract: An assembly for a rotary press is provided including a hub which is suitable for being rotatably mounted about a center axis in a rotary press, a format adaptation sleeve and means for fixing the adaptation sleeve to the hub. The hub and the adaptation sleeve each include a stop surface. The stop surfaces have a frustoconical shape about the center axis, and the fixing means comprise a radial stop element which is suitable for being interposed between the hub and the adaptation sleeve.

Abstract: A pickup roller includes a supporting layer and a pickup layer, which includes a base surrounding the outer perimeter of the supporting layer and a plurality of particles which are distributed throughout the base and have a different hardness than a hardness of the base.

Abstract: The present invention provides a conductive roller which has excellent resilience in response to deformation and exhibits small variation in electrical resistance. The conductive roller has a metallic core, a conductive elastic layer formed on the outer surface of the core to which layer conductivity has been imparted by carbon black, and a surface-treated layer formed through impregnating a surface of the conductive elastic layer with a surface-treatment liquid, wherein the difference ?Hs (Hs1?Hs2) between micro-hardness Hs1 of a surface of the conductive roller and micro-hardness Hs2 of the conductive elastic layer after removal of the surface-treated layer, the hardness being determined by means of a micro-hardness tester, is 5% or less of the micro-hardness Hs2.

Abstract: A roll is supported at the middle thereof, for a paper, board or finishing machine is composed of two sections, a so-called inner shell (54?) and an outer shell (52?), supported by one another in the middle area of the roll (50?). The nominal stiffness of the manufacturing material of the inner shell (54?) of the roll is substantially greater than the nominal stiffness of the manufacturing material of the outer shell (52?) of the roll.

Abstract: The interchangeable sleeve comprises: a substantially cylindrical outer surface (105A); a layer of hardened resin (R); a substantially conical inner surface for connection to a conical central core of the roller. The inner surface is formed at least partially of at least one inner component (102) having greater rigidity than said hardened resin. The inner component is constrained to the sleeve by means of said hardened resin.

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: in a cylinder and/or a roller and in a method for producing and/or for the maintenance of a cylinder and/or roller, a metal layer (8, 9, 10) is applied, at least in parts, to the outer surface (2) of the cylinder (1, 1?) and/or the roller (1?). The metal layer (8, 9, 10) has a ductile metallic matrix (4) having embedded hard material particles (5). Such a cylinder and/or roller can be used in a device (11) for controlling the wear and tear of a cylinder (1, 1?) and/or roller (1?), the surfaces (2?) of which are subjected to wear and tear. The method for producing the cylinder and/or roller, the cylinder and/or roller, and the device for controlling wear and tear, allow the maintenance, costs and labour of the cylinder and/or roller to be reduced.

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 metal rolling pin system includes a metal rolling pin formed from a cylindrical metal body having a hollow core. A removable cylinder is disposed inside the core and is filled with a freezable material such as a cellulose gel material. The rolling pin may also have insulating material inside the core to prevent condensation. A silicone sleeve fits over the metal outside of the pin to keep the dough or pastry from sticking. The rolling pin system has more than one core to assure that there is always a frozen core to keep the pin and dough cold.

Abstract: A roller assembly (40) including a roller (46) fixed to a flange bearing (48) which is engaged with a roller sleeve (50) and rotatable relative to it, the roller (46), the flange bearing (48) and the roller sleeve (50) all being retained on a mounting screw (51) between a nut (58) threaded onto the screw (51) and a washer (52) mounted on the nut (51).

Abstract: A roller assembly for a production machine having an inner wheel base capable of attachment to the driving axle of a production machine and an expandable outer ring which is cooperatively connectable to the inner wheel base is disclosed. The circumference of the expandable outer ring is adjustable. An outer roller cover mounts circumferentially around the adjustable expandable outer ring.

Abstract: The invention relates to a method for manufacturing a roll coating onto a roll frame (1), which coating comprises a base layer (2) on the roll frame (1) and a surface layer (3) on the base layer (2). The base layer (2) is brought to its final form after the surface layer (3) has been formed and cured or solidified. The surface layer (3) is formed on the base layer (2) and cured or solidified after the base layer (2) has been formed on the roll frame (1).