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| Number | Title | Issue Date |
| 7429310 | Method, arrangement and equipment for tensioning and guiding a fabric in a paper or board machine A paper or board machine has a fabric (10) that is adapted mobile as well as rolls (11, 11′) arranged to support the fabric (10). The fabric (10) is tensioned by changing the position of one roll (11′) of the rolls (11, 11 | 09/30/2008 |
| 7243404 | Web-spreading process and web-spreading device A web-spreading device and a web-spreading process are provided. The web-spreading device, is provided whereby a first web strand being conveyed and a second web strand being conveyed next to the first web strand in a web-processing machine can be offset in parallel... | 07/17/2007 |
| 6972074 | Equipment for fabric guiding in a paper machine Equipment for fabric guiding in a paper machine has a fabric (10) and rolls (12–18) adapted to support it. In connection with the roll (17) end there is arranged equipment comprising a stand (19) and a nip guard (26). The stand (... | 12/06/2005 |
| 6950717 | System and method for controlling width and stitch density of a fabric web A system for controlling the width and stitch density of a moving fabric web compacted by a fabric compaction system. The width control subsystem comprises a first camera which captures an image of a moving fabric web, and a first controller, wherein the first contr... | 09/27/2005 |
| 6874724 | Method and device for reeling up in the proper position a hot-rolled strip in a reeling installation The invention relates to a method and a device for the positionally correct winding up of a metal strip in a coiling device, the hot strip being fed to the coiling device by a driving device with driving rollers, the driving rollers being tiltable in relation to one... | 04/05/2005 |
| 6866176 | Web tension equalizing roll and tracking apparatus A self-tracking roller for centering conveyor belts and web materials on conveyor systems having a guide wheel at each end of a centrally pivoting shaft for contacting the belt or web. The self-tracking roller will pivot in the direction of travel of the belt or web... | 03/15/2005 |
| 6830212 | Web tension equalizing roll and tracking apparatus A web tracking and repositioning apparatus having at least one pivoting conveyor roll pivotable and rotatably supported at its center about a bearing assembly through which extends a longitudinal fixed shaft with said bearing assembly connecting to a coaxially mount... | 12/14/2004 |
| 6641017 | Process and device for laterally positioning a material web Process for handling a material web that includes moving the material web along with at least one circulating endless belt in a circulation direction, monitoring movement of an edge of said at least one circulating endless belt, and monitoring a position ... | 11/04/2003 |
| 6627044 | Web guide in a paper machine/board machine The invention concerns a guide (10) for the web, such as the wire or felt, in a paper machine/board machine. The guide is formed by a bearing housing (12) at one end of a guiding roller (11) in such a way that the bearing housing (12) includes a curved su... | 09/30/2003 |
| 6450382 | Printing web position adjusting apparatus The problem to be solved by this invention is a conventional printing web position adjusting apparatus poses a problem in which angularly displacing means having excellent accuracy is difficult to install, large power is needed, fabrication cost is high, ... | 09/17/2002 |
| 6402005 | Process and device for handling a material web Process and device for handling a material web. The process includes moving the material web, at least in stretches, along with at least one circulating endless belt in a circulation direction and monitoring the movement of the edge of the at least one ci... | 06/11/2002 |
| 6371347 | Air switch and palm guide for papermaking machinery An air switch including a housing, a lubrication port, a first air inlet port and an exhaust port is disclosed. The housing includes a chamber. The lubrication port is disposed to deliver lubrication into the chamber. The first air inlet port is disposed ... | 04/16/2002 |
| 6312562 | Traveling screen system A traveling screen system has a traveling screen guided about a multiplicity of support and guide rollers. A scanning device scans a transverse position of the traveling screen and an adjusting device adjusts the angular orientation of at least one of the... | 11/06/2001 |
| 6257520 | Noncontact web transporting apparatus A tension determining apparatus that is arranged above cylindrical air chambers determines tensions at both edges of a web before the web enters helical routes of the cylindrical air chambers. Middle direction changing air chambers among three direction c... | 07/10/2001 |
| 6105899 | Web tension equalizing roll and tracking apparatus A web tracking and repositioning apparatus having at least one pivoting conveyor roll pivotable and rotatably supported at its center about a bearing assembly through which extends a longitudinal fixed shaft with said bearing assembly connecting to the co... | 08/22/2000 |
| 6013212 | Gauge distribution in tubular plastic film with edge control A method of controlling lateral wandering of flattened tubular plastic film in gauge distribution apparatus in which gauge distribution is effected by passing a flattened tubular plastic film around at least one turning bar whose position with respect to ... | 01/11/2000 |
| 5893021 | Sheet feeding system including leading edge detection In a continuous form printer, a passage of the leading edge of the sheet is detected by a top sensor located along a feeding path thereof. If the top sensor detects the leading edge of the sheet while the sheet is fed in a reverse direction, the control u... | 04/06/1999 |
| 5664738 | Pneumatic web guide A positive pressure operated control apparatus for lateral alignment of a continuous web of paper, plastic, textiles and other materials which are being processed at windup, unwind, printing, coating, folding and slitting stations, or other intermediate p... | 09/09/1997 |
| 5614063 | Inductive edge detector for paper machinery The invention is directed to a continuous belt edge detector system for use in a paper making machine having a continuous belt guide device. The edge detector system comprises a continuous belt having an edge dope with metallic particles therein and an in... | 03/25/1997 |
| 5609241 | Training idler assembly for a conveyor system A training idler assembly for use with a conveyor belt which quickly responses to mis-tracking of the belt to thereby return the belt to its centered position. The idler roller is rigged through cables to hinged guide rollers which engage either side of t... | 03/11/1997 |
| 5365321 | Endless belt driving device with automatic belt displacement correction An endless belt driving device comprises an endless belt, a driving roller for driving the endless belt, a guide member for guiding the movement of the endless belt, and a supporting plate by which the guide member is supported so as to be rotatable about... | 11/15/1994 |
| 5276460 | Skew preventer for a film belt A thermal printer of the type applying ink to an endless film belt, selectively melting the ink by a thermal head in response to an image signal, and transferring the melted ink to a recording medium to print an image on the medium. An idler guides the fi... | 01/04/1994 |
| 4901903 | Web guiding apparatus Apparatus for guiding a moving web (10) of material in a predetermined travel path (15) relative to a stationary frame (14) is disclosed. A compliant roller (24) is mounted on a pivoted yoke (30) for rolling contact with the web (10) so that as the web mo... | 02/20/1990 |
| 4893740 | Web tracking mechanism Apparatus for controlling the lateral movement of a travelling web to automatically compensate for web conicity and angular deviation of the web velocity vector. A preferred embodiment of the apparatus comprises a steering roller about which a travelling ... | 01/16/1990 |
| 4892426 | Paper movement monitor A monitor (18,26,28) monitors movement of paper (12) through a printer (16). The paper movement sensors (18,26) comprise one central wheel (70) or a pair of spaced edge wheels (158) each operating an individual photo-optic wheel (164,76). By counting puls... | 01/09/1990 |
| 4835547 | Thermal printer with a mechanism for preventing a recording sheet's meandering A thermal printer with a mechanism for preventing recording sheet from meandering. In order to perform the mechanism, the thermal printer is provided with a thermal line head, a platen roller and a holding shaft which is perpendicular to the surface of a ... | 05/30/1989 |
| 4737045 | Paper web stacking controlled by electronic motor controlled by form length In a paper stacking device for pre-folded continuous form paper wherein the paper web is supplied to a deposit table from below and the paper stack is built up proceeding from below, a stepping motor is coupled in terms of drive to the feed region, this s... | 04/12/1988 |
| 4666073 | Spring biased spool type valve controller for a pneumatic dual diaphragm control system The invention relates to a direct acting pneumatic control system for controlling a dual diaphragm, or double acting cylinder type automatic guiding system. The control device and system is used to selectively adjust the position of one end of a roll rela... | 05/19/1987 |
| 4664303 | Simplified mount for a web-supporting roller A web transport apparatus including a simplified mount for a web-supporting roller, providing the axis of such roller with two degrees of freedom of movement. The simplified roller mount comprises an elongated, substantially planar, flexure member having ... | 05/12/1987 |
| 4655378 | Differential pressure biased spool type valve controller for a pneumatic dual diaphragm control system The invention relates to a direct acting pneumatic control system for controlling a dual diaphragm, or double acting cylinder type automatic guiding system. The control device and system is used to selectively adjust the position of one end of a guide rol... | 04/07/1987 |
| 4645066 | Adjustable conveyor assembly for regular periodic transverse movement of a longitudinally moving conveyor belt A conveyor assembly having one of its conveyor rollers which is movable to change the angle of its axis to the conveyor direction for causing sideways movement of the conveyor belt. Movement of the roller is controlled by a linkage drivably connected to a... | 02/24/1987 |
| 4641770 | Angularly adjustable web-supporting steering roller Mechanism for angularly adjusting a web-supporting steering roller of a web tracking apparatus about its steering axis in response to lateral movement of the supported web relative to the steering roller. In the web tracking apparatus, the web-supporting ... | 02/10/1987 |
| 4629061 | Belt steering control system A belt steering control system for a belt press having a frame and a plurality of rolls around which a pair of belts passes, said system comprising a paddle-type belt edge position sensor lightly biased against the edge of the belt for sensing the actual ... | 12/16/1986 |
| 4397538 | Belt alignment system An apparatus which controls lateral alignment of a belt arranged to move along a predetermined path. The belt is supported by a pivoted roller. A member having a pair of opposed, spaced flanges extending outwardly therefrom is mounted slidably on a shaft ... | 08/09/1983 |
| 4212422 | Web position controller for web transport systems A web position controller for a web transport system positions and aligns a moving web, having a variable center line, to the predetermined center line of a system utilizing the web. A fixed roller or other means constrains the moving web to contact the i... | 07/15/1980 |
| 4212419 | Strip guiding device A device for guiding a strip so that it is kept in a predetermined lateral position as the strip moves from a supply to a take up reel. The device includes mechanical sensors sensing the lateral edges of the strip, the sensors being coupled by a different... | 07/15/1980 |
| 4174171 | Belt tracking system An apparatus in which the lateral alignment of a belt arranged to move in a pre-determined path is controlled. A support mounted resiliently constrains lateral movement of the belt causing the belt to apply a moment to a pivotably mounted steering post. A... | 11/13/1979 |
| 4160517 | Web aligning apparatus for multi-level web material A web aligning apparatus for use with multi-level web material such as carpeting, tufted fabrics and the like having a backing web and a pile on the backing web inwardly of a side edge of the backing web. The web aligning apparatus includes a pile engagin... | 07/10/1979 |
| 4073448 | Automatic device for fixing the edge of a moving band An automatic device for fixing the edge of a moving band, wherein the roll holder that feeds the band over at least one bar, is controlled by the band roll cross-traverse mechanism. This mechanism is made as an air cylinder whose chambers communicate with... | 02/14/1978 |
| 4061222 | Web tracking apparatus Apparatus for automatically tracking an endless belt or web of material in a stable, predetermined path of movement despite changes in the belt configuration due to differential belt stretching or the introduction into the machine of a new belt having a s... | 12/06/1977 |
