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| Number | Title | Issue Date |
| 7798949 | Spreader roll A spreader roll has at least two partial rolls (10, 20, 30) with a composite shell (11, 21, 31) and two end part rolls (10, 30) connected together directly or by an intermediate part roll (20) so a gap (D) remains between the end surfaces... | 09/21/2010 |
| 7582046 | Roll as well as a spacer ring therefor 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, ... | 09/01/2009 |
| 7381174 | Discharging roller, method of manufacturing the same, and recording apparatus incorporating the same In order to manufacture a discharging roller which discharges a recording medium from a recording apparatus, there are a first die formed with a first recess extending in an axial direction of a shaft portion of the discharging roller, and a second die formed with a... | 06/03/2008 |
| 7322917 | Embossing cylinder with interchangeable sleeve and with system for locking the sleeve at the ends and embossing machine comprising said cylinder The rotating cylinder for processing a web material comprises an essentially rigid cylindrical core (13), on which is fitted an interchangeable sleeve (45) of elastically expandable material whose rigidity is less than that of the material of the core;... | 01/29/2008 |
| 7275632 | Roller conveyor roller, especially for the transport of furnace-heated metallic strip material A roller conveyor roller for furnace-heated metal strip has a roller shell journaled on a shaft with bearings providing thermal and electrical insulation of the shell from the shaft. The shell can be divided into shell segments each of which can have two bearings. O... | 10/02/2007 |
| 7201713 | Agricultural roller A roller assembly for use, for example, in agricultural machines where the roller assembly has an exterior surface portion adapted to contact a conveyor element supporting the agricultural products and a bearing sub-assembly positioned about an axle in the center of... | 04/10/2007 |
| 7151905 | Roller for supporting an imaging belt in a printing apparatus A belt photoreceptor in a xerographic printer is entrained on a roller formed from a set of discs. Each disc defines an outer circumference and a flexible main portion. The outer circumferences of a set of discs effectively form a single outer surface of the roller.... | 12/19/2006 |
| 7147596 | Low-mass roller or pulley A low-mass roller is disclosed comprising a cylindrical body formed of polymeric material and having an exterior surface, first and second open ends and defining an interior tubular space along a longitudinal axis therethrough for receiving an axle; and an outer she... | 12/12/2006 |
| 7113727 | Charging device using a charge roller and image forming apparatus including the same An image forming apparatus of the present invention includes a charging device including a charge roller formed with annular grooves at opposite end portions thereof and configured to charge an image carrier. Annular gap forming members each are fitted in the annula... | 09/26/2006 |
| 7067027 | Method of making an electro-mechanical roll Method of making an electro-mechanical roll such as a bias transfer roll for use in an electrostatographic apparatus such as a printing or copying apparatus comprising a conductive core having a segmented layer of compressible material positioned in a tandem relatio... | 06/27/2006 |
| 7028946 | Expander roll An expander roll that has a plurality of metallic, cylindrical roll members is constructed to obtain sufficient liquidtightness, wherein a gap-facing concave portion 19 is formed in the outer circumferential surface of a ring-shaped elastic packing 17 ... | 04/18/2006 |
| 6962333 | Roller and sheet delivery unit The invention provides a roller having excellent flexibility and wear resistance. The invention also provides a sheet delivery unit equipped with this roller. The unit is prevented from being clogged up with sheets due to rigidities of the sheets. Also, simultaneous... | 11/08/2005 |
| 6939279 | Tire for skew reducing roller A roller assembly for a sheet material transport assembly is disclosed, wherein skewing of the transported sheet material relative to the transport assembly is reduced. The roller assembly includes an elongate shaft having a compliant layer disposed about the shaft.... | 09/06/2005 |
| 6935292 | Camshaft with curvature Camshaft configurations are increasingly more closely assembled in motor vehicle engines such that access to the cylinder head bolts is obstructed. Indentations 2 along built-up camshafts, which comprise a camshaft tube 1 with slid-on camshaft structur... | 08/30/2005 |
| 6918708 | Discharging roller, method of manufacturing the same, and recording apparatus incorporating the same In order to manufacture a discharging roller which discharges a recording medium from a recording apparatus, there are a first die formed with a first recess extending in an axial direction of a shaft portion of the discharging roller, and a second die formed with a... | 07/19/2005 |
| 6846277 | Roller for winding up a material web In a roller enveloping a base body for winding up a material web, particularly a paper web, the circumferential surface contacted by the winding material is more radially resilient near the two roller ends than in the mid-roller area, compensating, at least partiall... | 01/25/2005 |
| 6786147 | Three-part plate cylinder with lateral and circumferential adjustments for registration A web-fed, multicolor, offset printing press having a plurality of printing units for printing different-color images on a continuous web of paper. Each printing unit includes a three-part plate cylinder rotatably supported between a pair of confronting framing wall... | 09/07/2004 |
| 6769679 | Roller, sheet feed apparatus, and image forming apparatus A roller including: an outer peripheral portion coming into contact with a sheet; an inner peripheral portion; and a plurality of connection ribs for connecting the outer peripheral portion and the inner peripheral portion to each other, in which the outer periphera... | 08/03/2004 |
| 6729466 | Injection molded axis or roller body made by an injection molded thermoplastic materials A roller body having a shaft formed from a first thermoplastic material and defining at least one roller. The shaft is a single component injection-molded shaft. A casing at least partially encases the roller and is formed from a second thermoplastic material differ... | 05/04/2004 |
| 6691615 | Drum for fixing sheet-type member A printing plate is only guided by and wound around peripheral surfaces of cylinders. The cylinders are disposed along an axis of a rotating shaft at predetermined intervals, and support the entire printing plate with substantially equal balance. The prin... | 02/17/2004 |
| 6635000 | Roller for a running-gear mechanism or for a roller battery The roller for a running-gear mechanism or for a roller battery in a cableway system has a roller body formed with a central bore in which a bearing is located. The roller is provided with two flanged disks and a virtually non-elastic annular support for ... | 10/21/2003 |
| 6584296 | Electro-mechanical roll with core and segments An electro-mechanical roll such as a bias transfer roll for use in a printing or copying apparatus comprising a conductive core having a segmented layer of compressible material positioned in a tandem relation to another thereon to form a generally cylind... | 06/24/2003 |
| 6565498 | Composite roll for manufacturing heat transfer tubes 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 ... | 05/20/2003 |
| 6554754 | "Smart" bowed roll An improved bowed roll assembly and system that can be adjusted during operation to alter critical speeds to outside the range of the operational speed of the assembly, and methods of altering critical speeds of the roll assembly during its operation to i... | 04/29/2003 |
| 6398701 | Cylinder for a rotary press A cylinder for a rotary printing press can be subdivided into a plurality of sections in a first operational mode. In a second operational mode, the cylinder has a functionally continuous outer surface.... | 06/04/2002 |
| 6338376 | Apparatus for transversely welding plastic webs A device for the transverse welding of plastic webs to produce bags and the like has a welding beam with a rounded edge turned toward the web juxtaposed with a welding roller which can have a plurality of rings mounted thereon to advance the weld seam len... | 01/15/2002 |
| 6306069 | Spreader roll The present invention relates to a spreader roll. The roll includes a curved central shaft and roll segments arranged in a rotary fashion to this and including a cylindrical shell and at least one radial supporting device oriented against the curved shaft... | 10/23/2001 |
| 6280371 | Elongated roller assembly and methods of making and replacing a roller A roller that can be assembled and inserted into a device when the finished length of the roller is longer than the available replacement space comprises at least two outer tubular members inserted on an internal connector so the outer tubular members abu... | 08/28/2001 |
| 6230478 | Differential length metering apparatus and method for the cabling of insulated conductors with fillers using the double twist process Apparatus and method for manufacturing helically wound insulated conductors with filament fillers includes first and second payoff stations for paying off a plurality of insulated conductors and elongate filaments of filler materials. These cable componen... | 05/15/2001 |
| 6142923 | Roller ring An envelope machine having a roller assembly with a groove in the roller and a ring assembly removably mounted in the groove. The ring assembly has a pair of half-rings segments removably mounted in the groove, each of which are adapted to mesh and interf... | 11/07/2000 |
| 6059095 | Conveying roller and a method for producing the same A conveying roller includes a shaft and a body member placed on a periphery of the shaft. The body member is provided with an inner layer placed on the periphery of the shaft and an outer layer placed on a periphery of the inner layer. The inner layer is ... | 05/09/2000 |
| 6044963 | Injection molded axis or roller body made by injection molded thermoplastic materials A roller body having a shaft formed from a first thermoplastic material and defining at least one roller. The shaft is a single component injection-molded shaft. A casing at least partially encases the roller and is formed from a second thermoplastic mate... | 04/04/2000 |
| 6042525 | Web spreader roll The invention concerns a spreader roll (1) comprising a nonrotating, most advantageously bowed, roll axle (2) and a rotatingly in bearings on said roll axle mounted roll shell (3) that most advantageously is formed by a plurality of tubular roll segments ... | 03/28/2000 |
| 5987748 | Method of making ink roller assembly There is disclosed an ink roller assembly and a method of making an ink roller assembly. The assembly includes a base comprised of closely spaced connected discs providing capillary chambers and a porous sleeve. The method uses air to expand the porous sl... | 11/23/1999 |
| 5953992 | Method of making ink roller assembly There is disclosed an ink roller assembly and a method of making an ink roller assembly. The assembly includes a base comprised of closely spaced connected discs providing capillary chambers and a porous sleeve. The method uses air under pressure or vacuu... | 09/21/1999 |
| 5951450 | Shaft roller A shaft roller, including a shaft, a casing with two ends, and further, for each of the two ends of the casing, a bearing support, an end bearing, and a protective cap. The roller further includes a plurality of inner tubes, a plurality of ring holders, a... | 09/14/1999 |
| 5934441 | Conveying installation The invention provides a conveying installation capable of discharging specific commodity out of conveying lines, which features decreased number of component parts and ease assemble structure. In consideration of unification of component parts, the inven... | 08/10/1999 |
| 5928122 | Split roll for continuous casting A split roll has several separate roll bodies which are arranged side-by-side axially of the roll. Adjoining roll bodies are mounted in a bearing assembly which includes a bearing for each of the roll bodies. The two bearings for a pair of adjoining roll ... | 07/27/1999 |
| 5893821 | Roller for electrophotographic apparatus A roller is equipped with an elastic layer comprising a foam, wherein at least a part of the elastic layer is subjected to permanent compressional deformation by heating compression, and the cells in the elastic layer subjected to permanent compressional ... | 04/13/1999 |
| 5848958 | Set of modular elements for the construction of a driving pulley for a belt conveyor A set of modular elements for the construction of a driving pulley (1) for belt conveyors or the like comprises a steel shaft (3), at least one disk element (2) of synthetic material and at least two end pieces (8), similarly of synthetic material, plus a... | 12/15/1998 |
