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| Number | Title | Issue Date |
| 7963180 | Wireless sensors in roll covers An industrial roll includes: a substantially cylindrical shell having an outer surface; a polymeric cover circumferentially overlying the shell outer surface; and a sensing system. The sensing system includes: a plurality of sensors embedded in the cover, each senso... | 06/21/2011 |
| 7584674 | On-line measurement for a pressure profile A method for measuring a nip pressure and/or a pressure profile is provided, wherein a nip-forming roll is fitted with a pressure sensor under a coating layer which is protective and functions as a spring on top of the sensor, and the nip pressure delivers to the bo... | 09/08/2009 |
| 7581456 | Wireless sensors in roll covers An industrial roll includes: a substantially cylindrical shell having an outer surface; a polymeric cover circumferentially overlying the shell outer surface; and a sensing system. The sensing system includes: a plurality of sensors embedded in the cover, each senso... | 09/01/2009 |
| 7430887 | Roller for determining variations in flatness In the case of a measuring roller for determining flatness deviations when handling material in strip form, for example when rolling metal strip, the stress distribution is measured over the width of the strip with the aid of piezoelectric sensors, which are arrange... | 10/07/2008 |
| 7406876 | Sensor arrangement The present invention relates to a system for detecting characteristics of an elastic structure (13, 22, 23, 32, 33, 93, 1202, 1302, 1402), said structure being provided with at least one sensor (111, 112, 14, 211, 212, 311, 312, 911, 1211, 1311, 1411)... | 08/05/2008 |
| 7392715 | Wireless sensors in roll covers An industrial roll includes: a substantially cylindrical shell having an outer surface; a polymeric cover circumferentially overlying the shell outer surface; and a sensing system. The sensing system includes: a plurality of sensors embedded in the cover, each senso... | 07/01/2008 |
| 7347110 | Tactile sensing device and an apparatus using the same The present invention provides a tactile sensing device comprising a tactile sensing layer, a pressure adjusting unit, at least one pressure sensing unit and a control unit. The tactile sensing layer includes a plurality of elastic elements, each of which has an inn... | 03/25/2008 |
| 7328637 | Apparatus for machining a cylinder bore surface and method of machining the cylinder bore surface using the apparatus An apparatus for machining a circumferential surface defining a cylindrical bore of a workpiece, the apparatus including a tool holder rotatable about a first rotation axis, and a form roller supported on the tool holder so as to be rotatable about a second rotation... | 02/12/2008 |
| 7305894 | Nip press sensing system including a sensor strip having sensor interface electronics associated therewith and methods of operating the same According to some embodiments of the present invention, a system for determining characteristics of two rolls configured in a nip press includes a strip configured to be placed in the nip press. A plurality of sensors embedded in the strip is configured to generate ... | 12/11/2007 |
| RE39838 | Bearing assembly with sensors for monitoring loads A bearing assembly which couples a road wheel to a suspension system component on an automotive vehicle includes a hub to which the wheel is attached and a housing which is attached to the suspension system component. The housing has two tapered raceways which surro... | 09/18/2007 |
| 7225688 | Nip width sensing system and method Devices for measuring a nip width between rolls of a press nip include one or more sensors adapted to be placed in the nip while the nip is stationary. The electrical resistance of each sensor corresponds to the size of the nip width, whereby a nip width or a nip wi... | 06/05/2007 |
| 7212927 | Load-measuring device for rolling bearing unit and rolling bearing unit for load measurement A revolution speed of balls 8, 8 constituting the outer side row is sensed by a revolution speed sensor 24. Also, a rotation speed of a hub 1a is sensed by a rotation speed sensor 25. A speed ratio as a ratio between a revolution s... | 05/01/2007 |
| 7185537 | Nip and loading analysis system A nip characterization system which has as inputs the pressure applied to the nip by the hydraulic loading devices, and loads applied at the end bearings and/or the loads applied to the roll support beam, and in addition directly measures nip load, has more than suf... | 03/06/2007 |
| 7143657 | Planarity-measuring roller for steel strip A planarity-measuring roller for metallic strip has a plurality of force sensors set in respective outwardly open recesses in a roller body with respective covers overlying the sensors in the recesses, generally flush with an outer surface of the body, and spaced by... | 12/05/2006 |
| 7140228 | Roller bearings equipped with sensors An antifriction bearing equipped with sensors for measuring the length change in the rolling contact between antifriction elements and the outer ring, region vectors are formed and pass via an interface to an evaluation unit disposed outside the antifriction bearing... | 11/28/2006 |
| 7134304 | Micro-roll forming device A micro-roll forming device for providing a cylindrical blank metal article with a minute convexoconcave bearing surface, comprises a powered article holding structure that, when energized, rotates the cylindrical blank metal article about its axis; a forming tool t... | 11/14/2006 |
| 7089771 | Method and strip processing line, especially a strip rolling mill train or strip rolling mill stand for preventing band sticking during winding In a method and a strip treatment installation, in particular a strip rolling mill train or a strip rolling stand, to avoid strip stickers, as the material is being wound up the distribution of the radial pressure exerted by the strip on the coiler drum or a winding... | 08/15/2006 |
| 7021157 | System and method for testing a clamping force A system for testing a clamping force includes a lever, a base, and a sensor, The lever is coupled to a pivot and moves about the pivot. The lever includes a first end and a second end on opposites sides of the pivot. The base receives a first tip of a clamp and mai... | 04/04/2006 |
| 6910376 | Measurement method and system in the manufacture of paper or paperboard In a measurement method in the manufacture of paper or paperboard, different forces prevailing in a nip between a roll and a counter roll of an apparatus conveying a paper or paperboard web are measured. In the method there are several measurement points implemented... | 06/28/2005 |
| 6860030 | Control system for gap measuring A control system for measuring a gap in an apparatus for pressing a traveling paper web as the paper web travels through the gap accompanied by at least one belt or felt, the apparatus including a press apparatus and a support surface defining a gap therebetween. A ... | 03/01/2005 |
| 6769314 | Nip width sensing system and method Devices for measuring a nip width between rolls of a press nip include one or more sensors adapted to be placed in the nip while the nip is stationary. The electrical resistance of each sensor corresponds to the size of the nip width, whereby a nip width or a nip wi... | 08/03/2004 |
| 6658943 | Bearing assembly with sensors for monitoring loads A bearing assembly which couples a road wheel to a suspension system component on an automotive vehicle includes a hub to which the wheel is attached and a housing which is attached to the suspension system component. The housing has two tapered raceways ... | 12/09/2003 |
| 6612189 | Tensile testing machine for variously cross sectional materials In order to provide a tensile testing machine of variously cross-sectioned materials which has a very concise structure to make possible more accurate measurement of tensile force, the testing machine is equipped with two roll stands which have gripping r... | 09/02/2003 |
| 6568285 | Nip width sensing system and method Devices for measuring a nip width between rolls of a press nip include one or more sensors adapted to be placed in the nip while the nip is stationary. The electrical resistance of each sensor corresponds to the size of the nip width, whereby a nip width ... | 05/27/2003 |
| 6508115 | Transfer roll A transfer roll 1 for conveying a strip of substantially flat material from one device to another. The strip passes over the transfer roll as the transfer roll rotates. The transfer roll includes a flat and smooth cylindrical outer skin which comprises at... | 01/21/2003 |
| 6427507 | Apparatus for measuring the strip flatness The present invention provides an apparatus for measuring flatness of a hot rolled strip based on a contact load of the hot rolled strip to split rolls of a looper in the hot rolling process. The split rolls are assembled in a bracket such that each split... | 08/06/2002 |
| 6192765 | Planarity measuring roller A planarity measuring roller is constructed as a loop lifter which is adjustable relative to a rolled strip. The loop lifter includes a plurality of measuring zones located next to one another over the width of the rolled strip. Each measuring zone includ... | 02/27/2001 |
| 6138506 | Measuring idler-roller The invention concerns a measuring idler-roller for measuring stress distution of flexible bands that are moved in the direction of their length, in which roller force-measuring transducers arranged in recesses or their covers are surrounded by a plastic... | 10/31/2000 |
| 6098469 | Dynamometric detector device and method for bearings Dynamometric detector device for bearings, with a strain transmitter fitted integral with a race and supporting a sensor. The strain transmitter and sensor support means includes the armature (7) of the bearing seal (8) and has a cylindrical bearing surfa... | 08/08/2000 |
| 5835975 | Paper property sensing system A sensor system for measuring physical properties of paper. The paper property sensor system includes a surface and a diaphragm opposed to each other. The small diaphragm includes a first pair and a second pair p-type piezoresistors. Each piezoresistor of... | 11/10/1998 |
| 5821433 | Thin tactile sensors for nip width measurement A thin, tactile sensor for measuring the width of a contact region between two loaded rollers. The sensor comprises an array of sensing elements disposed between two thin substrates, and including conductive traces to provide electrical connection to exte... | 10/13/1998 |
| 5714692 | Method of compensating forces in roll stands resulting from horizontal movements of the rolls A method of compensating forces of force components resulting from horizontal movements of the rolls in roll stands for hot-rolling and cold-rolling of flat products, wherein the roll stands are equipped with work rolls and with one or more back-up rolls,... | 02/03/1998 |
| 5699729 | Roll having means for determining pressure distribution A roll system for use particularly in a papermaking press nip for dewatering a fibrous web, comprising a roll disposed so as to rotatingly cooperate with another roll in a press nip, the roll having a helical sensor for sensing pressure exhibited on the r... | 12/23/1997 |
| 5699273 | Method and apparatus for determining the force-displacement diagram of the pairs of punches of a rotary pelleting machine An apparatus and method for determining the force-displacement diagram of pairs of punches in a rotary pelleting machine involving measuring and storing the course of compression of punch pairs for each individual angle step, storing said data and prepari... | 12/16/1997 |
| 5663510 | Method and device for compensating tension forces across the width of a moving web A method and a device for compensating and equalizing the tension forces across the width of a moving web makes use of a tension compensation roll, which is pivotably supported, and rotatable around a pivotal axis. In the presence of a difference in the t... | 09/02/1997 |
| 5629487 | Deflecting roller for sensing the distribution of stress along the roller A deflecting roller for sensing the distribution of stress along the roller while the roller deflects a strip of sheet material, and in particular, a deflecting roller having a plurality of stress sensors disposed around the roller such that the stress se... | 05/13/1997 |
| 5592875 | Roll having means for determining pressure distribution A roll system for use particularly in a papermaking press nip for dewatering a fibrous web, comprising a roll disposed so as to rotatingly cooperate with another roll in a press nip, the roll having a helical sensor for sensing pressure exhibited on the r... | 01/14/1997 |
| 5562027 | Dynamic nip pressure and temperature sensing system A system for measuring the dynamic pressure distribution between rolls in a nip roll press comprises a roll adapted to rotatingly contact at least one other roll in a press nip, having one or more sensors thereon, for measuring the nip pressure at several... | 10/08/1996 |
| 5537878 | Strip flatness measuring device An improved shapemeter is provided to measure the flatness of metal strip under tension as the strip passes over a shapemeter roll, the shapemeter including a stationary shaft with a set of bearings that allow the strip to easily pass over the shapemeter ... | 07/23/1996 |
| 5488871 | Bearing adjustment using compressive force sensor A hub rotates around a spindle on bearings which have angular raceways so that the bearings are capable of carrying both axial and radial loads and may be adjusted into a condition of preload with an axially directed force applied to one of the races, usu... | 02/06/1996 |
