Abstract: A method for making a heat-resistant roll includes pre-selecting a plurality of heat-resistant disks and pressing at least a selected portion of the pre-selected disks together such that a total axial thickness of the pressed disks relative to a total axial thickness of the selected disks prior to pressing is within a predetermined range.

Abstract: To improve durability by preventing breakage of each roller piece for a long time. It is a pressure roller for pressing a surface of a tire member made from an unvulcanized rubber member. The pressure roller has a support shaft and a plurality of elastically deformable roller pieces supported by the support shaft and arranged in the axial direction of the support shaft. Each roller piece has a pressing surface for contacting with the surface of the tire member. Each roller piece is independently rotatably supported by the support shaft.

Abstract: The present disclosure provides a roller and a locking method thereof. The roller includes a main body, a first groove provided on an inner surface of the main body, and a first elastic component fitted with the first groove; wherein a through hole for receiving and fixing a shaft is provided on the first elastic component. The present disclosure can be used to lock shafts.

Abstract: A modular radial impeller drum for cooling print media in a printing device are disclosed. For example, the modular radial impeller drum includes a plurality of impeller modules coupled together to form a surface to transport the print media. Each one of the plurality of impeller modules includes a cylindrical outer surface, a cylindrical center axis inside of the cylindrical outer surface, and a plurality of impeller blades coupled between the cylindrical outer surface and the cylindrical center axis, wherein each one of the plurality of impeller blades are angled, wherein the plurality of impeller modules are coupled together such that the plurality of impeller blades of each one of the plurality of impeller modules are aligned across a length of the modular radial impeller drum.

Abstract: A segment roller (1) has a roller body (2), which is mounted rotatably about an axis (3). To this end, the roller body (2) has on the outside grooves (9), in which tongues (8) of profiles (7) engage. These profiles (7) grip the material web (5) directly or indirectly. In order to increase the working life and improve the mechanical properties of the profiles (7), the profiles (7) are of shear-resistant configuration and have elastic lips (20). These elastic lips (20) are deformed upon the engagement of the tongue (8) in the groove (9).

Abstract: According to various embodiments, a transporting device may comprise: a plurality of transporting rollers, of which at least two transporting rollers comprises: a glass tube mounted rotatably about an axis of rotation; the glass tube being joined together from a plurality of tube segments, a first tube segment of which is arranged between two second tube segments; and the first tube segment having a plurality of portions, the circumferential surfaces of which are surfaces of rotation with respect to the axis of rotation and/or are arranged coaxially; the plurality of transporting rollers providing by means of the circumferential surfaces a transporting surface for transporting a substrate in plate form and/or in strip form.

Abstract: A protective cover includes a padding layer and at least one backing layer comprising a network of fiber-reinforced plastic (FRP) threads, wherein a surface of the at least one backing layer is substantially rectangular comprising a first side, and wherein a plurality of the FRP threads are arranged along a direction that is oblique relative to the first side.

Abstract: A glass manufacturing apparatus comprises a forming device configured to produce a glass ribbon and a control device configured to independently operate a first pull roll apparatus and a second pull roll apparatus such that the first pull roll apparatus rotates with a substantially constant torque the second pull roll apparatus rotates with a substantially constant angular velocity. The control device is further configured to adjust the substantially constant torque of the first pull roll apparatus based on an operating condition of at least one of the first pull roll apparatus and the second pull roll apparatus. In further examples, methods of manufacturing a glass ribbon are provided.

Abstract: Provided is a compression bar apparatus for applying pressure to desired areas of a thin film composite (TFC) membrane, such as spiral wound TFC membranes and elements, including membranes and elements used for nanofiltration, reverse osmosis or forward osmosis to purify water, such as tap water, seawater, and brackish water. Application of pressure to a spiral wound element by the apparatus produces a membrane with increased sealant penetration, reduced osmotic blistering, and minimal damage to the active area of the membrane. Also provided are methods of using the apparatus.

Abstract: An assembly structure of a roller which includes a shaft, a ring unit, and a fixing unit. When the shaft and the ring unit are combined, the center of the bearing unit of the shaft and the center of the outer circumferential surface of the ring unit coincide, the center of the ring mounting unit of the shaft and the center of the inner circumferential surface of the ring unit coincide, the center of the bearing unit of the shaft and the center of the ring mounting unit are spaced apart, the diameter of the bearing unit is shorter than the diameter of the ring mounting unit, and a distance between the centers of the bearing unit of the shaft and the ring mounting unit is equal to or shorter than the distance between the diameter of the ring mounting unit and the diameter of the bearing unit.

Abstract: To provide an apparatus for manufacturing a rubber strip in which damages such as cracks occurring in ceramic outer layers of calender rolls can be suppressed, and which is capable of rolling the rubber strip continuously for a long period of time. [Solution] It is an apparatus 1 for manufacturing a rubber strip having a rubber extruder 2 having a discharge port 2a for continuously discharging the rubber, and a pair of upper and lower calender rolls 3, 3 for rolling the rubber discharged from the discharge port 2a to form a rubber strip G. Each of the calender rolls 3 includes a roll main body 7 which is driven to rotate, and a cylindrical outer layer 8 which is concentrically disposed on the outside of the roll main body 7 to roll the rubber by its outer peripheral surface 8S. The outer layer 8 is made of a ceramic. Between the outer layer 8 and the roll main body 7, a gap P is provided. In the gap P, an O-ring 10 for rotating the outer layer 8 integrally with the roll main body 7 is inserted.

Abstract: A roller for forming heat transfer elements may include a central shaft and a plurality of roller elements. The plurality of roller elements may be stacked on the central shaft. Each roller element defines an outer periphery, which is configured to include a geometrical characteristic thereacross. The stacked roller elements, either stacked on the central shaft or stacked without using the central shaft, configures the roller with a circumferential surface corresponding to the geometrical characteristic of the stacked roller elements, to form the heat transfer elements corresponding to the circumferential surface.

Abstract: A quick release roller sleeve and mounting hub assembly is described for use with high speed roller machines. The assembly includes an outer flange plate that can be detached from the assembly in order for the roller sleeve to be dismounted and a new roller sleeve mounted as the existing roller sleeve becomes worn and needs to be replaced. The quick release permits the mounting hub and other parts of the assembly to remain in their aligned configuration and positions while only exchanging the roller sleeve portion of the assembly.

Abstract: In a roller member where a rotary shaft is inserted through a through-hole of a roller part so that the roller part is removably mounted on the rotary shaft, the rotary shaft is provided with a positioning retention part for retaining one end of the roller part. Further, the rotary shaft is provided with an engagement recess at place on its portion outward of the other end of the roller part. An engagement protrusion is provided at a snap fit portion extended axially outward from the other end of the roller part. In a state where the snap fit portion is elastically deformed in a direction opposite to the extension direction, the engagement protrusion is engaged with the engagement recess.

Abstract: A disk roll includes a shaft, and a plurality of disks that are fitted to the shaft, the plurality of disks fitted having been fired, having a density of more than 1.20 g/cm3 and 1.50 g/cm3 or less, and including 20 to 50 wt % of ceramic wool, 5 to 30 wt % of kibushi clay, 2 to 20 wt % of bentonite, and 20 to 45 wt % of a filler, the filler being selected from mica, alumina, wollastonite, cordierite, and calcined kaolin.

Abstract: The present invention relates to a process for producing a base material for disks of disk rolls, in which the disk roll contains a rotating shaft and a plurality of the disks fitted on the rotating shaft by insertion whereby the outer peripheral surface of the disks serves as a conveying surface, in which the process contains molding a slurry raw material containing inorganic fibers, an inorganic filler having an aspect ratio of from 1 to 25 and an inorganic binder into a plate shape; and drying the molded plate.

Abstract: A quick change conveyor roll assembly for metal or glass processing comprising an inner roll shaft having a rigid and elongated cylindrical surface supported and rotationally driven by an associate rotor mean. At least one removable spool having a cylindrical body with a first diameter, a hollow interior therethrough and a collar rigidly adapted at a first end, the collar having a second diameter whereby the second diameter is greater than the first diameter. At least one removable and replaceable insulated roll sleeve being slidably mounted over at least a portion of said removable spool and abutting said collar, the insulated roll sleeve including at least one layer of an insulation material and a securing means operably adjustable to hold said roll sleeve about said removable spool at a second end in a predetermined location on said inner roll shaft.

Abstract: A disc roll includes a plurality of annular disc members each defining a hole and having a peripheral surface; and a rotary shaft fitted into the holes of the annular disc members by insertion, whereby the peripheral surfaces of the disc members serve as a conveying surface of the disc roll. The disc members include an inorganic fiber, mica and a clay having a content of particle components that have a particle size of 5 ?m or larger of not higher than 30% by weight based on the weight of the clay.

Abstract: A process for producing a base material for disks including forming a raw slurry material into a platy shape and drying the plate, the raw slurry material containing inorganic fibers which have a wet volume of about 300 mL/5 g or larger and which are amorphous or have a degree of crystallinity of about 50% or lower.

Abstract: A disc roll includes a plurality of annular disc members each defining a hole and having a peripheral surface; and a rotary shaft fitted into the holes of the annular disc members by insertion, whereby the peripheral surfaces of the disc members serve as a conveying surface of the disc roll. The disc members include an inorganic fiber, mica and a clay having a content of particle components that have a particle size of 5 ?m or larger of not higher than 30% by weight based on the weight of the clay.

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: 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: The present invention relates to a process for producing a base material for disks of disk rolls, in which the disk roll contains a rotating shaft and a plurality of the disks fitted on the rotating shaft by insertion whereby the outer peripheral surface of the disks serves as a conveying surface, in which the process contains molding a slurry raw material containing inorganic fibers, an inorganic filler having an aspect ratio of from 1 to 25 and an inorganic binder into a plate shape; and drying the molded plate.

Abstract: A roller assembly for use during tire construction includes a telescoping tube arrangement and a roller positioned thereabout. The telescoping tube arrangement has an inner tube section and an outer tube section and which can be adjusted in length to accommodate the width of the tire component under construction. The roller includes a cylindrical surface of a desired hardness which is positionable into engagement with the outer surface of the tire component under construction and which includes a plurality of roller sections which are positionable about the telescoping tube arrangement and in a side-by-side relationship with one another. In addition, each roller section defines a peripheral surface so that when the roller sections are positioned in a side-by-side relationship along the tube arrangement, the peripheral surfaces of the roller sections collectively provide the cylindrical surface of the roller.

Abstract: A disc roll includes a plurality of annular disc members each defining a hole and having a peripheral surface; and a rotary shaft fitted into the holes of the annular disc members by insertion, whereby the peripheral surfaces of the disc members serve as a conveying surface of the disc roll. The disc members include an inorganic fiber, mica and a clay having a content of particle components that have a particle size of 5 ?m or larger of not higher than 30% by weight based on the weight of the clay.

Abstract: The present invention provides a base material for disk rolls which is a platy molded article for obtaining ring-shaped disks for use in a disk roll comprising a rotating shaft and ring-shaped disks fitted thereon by insertion, whereby the peripheral surface of the disks serves as a conveying surface, the base material comprising inorganic fibers having a crystallization temperature of 800-900° C., a filler, and a clay. Also disclosed is a disk roll which comprises disks cut out of the base 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 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: This roller (10) comprises a tubular support structure (14) of horizontal axis (X-X) adapted to be rotatably mounted on a tractor-drawn support frame. A series of semi-hollow tyres with a dome-shaped profile are threaded onto this tubular support structure and enable a series of parallel furrows to be formed in the earth. The tubular support structure (14) comprises a framework formed by a plurality of bars (30) joined together by two circular end cheeks (32) between which these bars extend axially. The tyres (12) are mounted on the bars of the framework, forming with the latter an assembly that is connected for rotation and translation.

Abstract: Press roll for a laminating machine for producing a packaging material which comprises a carcass layer consisting of paper or carton, and which carcass layer exhibits crease lines, through holes, openings or slits, which carcass layer exhibits, on one of its sides, a barrier layer, a plastic lining which is arranged outside the barrier layer, and film of laminant thermoplast which is arranged between the carcass layer and the barrier layer, with the press roll exhibiting a circular-cylindrical jacket surface having a facing consisting of an elastic material. According to the invention, the facing comprises sections in the jacket surface, which sections exhibit local deformation ability in relation to the surrounding facing. The invention also relates to a method for producing packaging material and to packaging material which has been produced using this method.

Abstract: A nip roller is provided that includes a shaft, a first nip disk portion, a second nip disk portion and an attachment section for removably securing the first nip disk portion and the second nip disk portion to the shaft.

Abstract: A ring, preferably in the form of a lock nut, made for combi rolls, which ring includes at least one spring device in which a mechanical compression spring is included that acts between, on one hand, a front press body that is movable to and fro in order to constantly forward a spring force generated by the compression spring and, on the other hand, a support body, which may assume a fixed position, but which is adjustably movable by way of a screw in order to alter the tension in the compression spring.

Abstract: A pulling roll for glass manufacture made from a millboard material fired to minimize or eliminate weight loss during operation. Methods for preparing and using such a pulling roll are also disclosed.

Abstract: The present invention relates to a process for producing a base material for disks of disk rolls, in which the disk roll contains a rotating shaft and a plurality of the disks fitted on the rotating shaft by insertion whereby the outer peripheral surface of the disks serves as a conveying surface, in which the process contains molding a slurry raw material containing inorganic fibers, an inorganic filler having an aspect ratio of from 1 to 25 and an inorganic binder into a plate shape; and drying the molded plate.

Abstract: A process for producing a base material for disks including forming a raw slurry material into a platy shape and drying the plate, the raw slurry material containing inorganic fibers which have a wet volume of about 300 mL/5 g or larger and which are amorphous or have a degree of crystallinity of about 50% or lower.

Abstract: Disclosed are systems and methods for evaluating the properties of material used in the manufacture of pulling rolls. In one embodiment, a method is provided for aligning plates comprising the material along an axis and compressing the plates to form a cartridge. The plates can be compressed by a piston. The cartridge can be rotated by a motor. In one embodiment, the cartridge, while rotating, is contacted with a cutting surface to produce a surface finish on the cartridge. Properties such as compressibility, recovery and resiliency, and hardness can be measured.

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 embossing roller for processing a web material comprises a central axle (53) and a removable and interchangeable outer sleeve (51); the interchangeable sleeve has an essentially cylindrical outer surface provided with protuberances and/or cavities. The axle has radially expandable elements (61) to clamp the sleeve.

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 invention relates to the design of multiple piece rolls, in particular backup rolls, for the use in metal rolling. The roll comprises a main part with a center bore for the removal of center defects or flaws arising from the manufacturing process, e.g., from casing or forging and at least an end part, whereas the end part has no center bore or a center bore with a diameter smaller than the bore diameter of the main part.

Abstract: A feed roller assembly includes a shaft, a plurality of rollers, and a plurality of covers. The rollers are fixed to the shaft at intervals along it. The covers are positioned at both ends of the rollers and surround the shaft, without being fixed to it. Paper dust falls from the outer cylindrical surfaces of the rollers and accumulates on the covers, without coming into direct contact with the cylindrical surface of the shaft. Because the covers are not fixed to the cylindrical surface of the shaft, they rotate at a lower speed than the shaft.

Abstract: An apparatus comprises a belt and a pressure roll contacting the belt. The pressure roll comprises at least two roll segments connected to a common axle and contacting the belt. The roll segments are offset from one another along the belt.

Abstract: The present invention provides a base material for disk rolls which is a platy molded article for obtaining ring-shaped disks for use in a disk roll comprising a rotating shaft and ring-shaped disks fitted thereon by insertion, whereby the peripheral surface of the disks serves as a conveying surface, the base material comprising inorganic fibers having a crystallization temperature of 800-900° C., a filler, and a clay. Also disclosed is a disk roll which comprises disks cut out of the base material.

Abstract: The present invention relates to a process for producing a base material for obtaining therefrom ring-shaped disks for use in a disk roll including a rotating shaft and the ring-shaped disks fitted thereon by insertion, whereby the peripheral surface of the disks serves as a conveying surface, the process including molding a raw slurry material into a platy shape and drying the plate, the raw slurry material containing inorganic fibers which have a wet volume of 300 mL/5 g or larger and which are amorphous or have a degree of crystallinity of 50% or lower.

Abstract: A calender roll, which was already in use and has a metallic core with engaged textile material sheets, can be worked for a new use. In the surface of the sheets are cut grooves, to which is subsequently applied a layer structure of synthetic resin-impregnated fibrous material forming a certain thickness over each point of the roll. Onto said layer can be applied a functional covering, for example of rubber.

Abstract: A method for manufacturing a roller body, wherein pipe sections, each made of steel having a carbon equivalent of at least 0.45 and a wall thickness of at least 130 mm each are arranged axially next to each other and connected to each other by means of electron-beam welding.

Abstract: Disclosed are systems and methods for evaluating the properties of material used in the manufacture of pulling rolls. In one embodiment, a method is provided for aligning plates comprising the material along an axis and compressing the plates to form a cartridge. The plates can be compressed by a piston. The cartridge can be rotated by a motor. In one embodiment, the cartridge, while rotating, is contacted with a cutting surface to produce a surface finish on the cartridge. Properties such as compressibility, recovery and resiliency, and hardness can be measured.

Abstract: This application relates to rollers that may be used to apply pressure onto one or more sheets of material.

Abstract: A combi roll that comprises a roll shaft having a rotationally symmetrical basic shape defined by a central axis, as well as a number of rings in the form of roll rings and spacer rings, each one of which has planar end surfaces that extend between outer and inner, circular limiting edgelines, and that serve as contact surfaces against adjacent rings. At least one of the end surfaces of a ring, preferably a spacer ring, is limited by an inner edgeline, the diameter of which is greater than the outer diameter of the roll shaft. In such a way, the area of the contact surface is reduced while increasing the surface pressure, at the same time as the force transmitting ability of the surface increases by the fact that the radial distance to the center axis is increased.

Abstract: A combi roll comprising a roll shaft and a roll ring mounted on the same against which at least one other ring is axially pressed, such as a spacer ring, the contact surfaces of the rings pressed against each other serving as torque-transferring friction joints. In the individual interface between two end contact surfaces there is distributed a great number of small grains of a material harder than the hardest material of anyone of the rings, the grains having the purpose of partially penetrating into each one of the contact surfaces so as to increase the torque-transferring ability of the friction joint.