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| Number | Title | Issue Date |
| 7151715 | Method and apparatus for detecting the position of the edge of a moving product web A method and an apparatus (1) are used to detect the position of the edge (2) of a moving product web (3). The apparatus (1) has piezoelectric elements (5), which firstly output ultrasonic pulses (10) and secondly pick them ... | 12/19/2006 |
| 7059984 | Device and method for regulating the tension of a running web A device serves to regulate the tension of a running belt. The belt is deflected on rollers of which one is designed as a force measuring roller and is connected to a displacement sensing device. This roller is provided with at least one force sensor that determines... | 06/13/2006 |
| 6757064 | Device for optically scanning a moving web of material and method for adjusting said device A device serves for optically scanning a moving material web. The device is formed by a CCD camera comprising a lens and a CCD receiving element, which is provided with photodiodes. So as to be able to exactly adjust the area of the material web scanned by means of ... | 06/29/2004 |
| 6550656 | Device for spreading, compressing and guiding a running material web A device for spreading, compressing or guiding a running material web formed by a rotatably supported roll. The roll has a number of slats distributed over its circumference which can be displaced transversely to the direction of the web. The slats are ac... | 04/22/2003 |
| 6474528 | Device for swiveling a rotary frame A rotary frame pivotably supported on a rack and swiveling around a swivel axis. The frame supports at least one reversing roll for moving the material web. A pivot bearing in the form of an antifriction bearing is cut as a segment so that the material we... | 11/05/2002 |
| 6450381 | Device and method for guiding a transversely stable material web A device and method for guiding a transversely stable material web. The device contains at least one roller and one counter roller disposed on opposite sides of the material web. The roller and counter roller can be swiveled synchronously with each other,... | 09/17/2002 |
| 6348696 | Method and device for detecting the position of the edge of a moving material web A method for detecting the position of the edge of a moving material web by contactlessly scanning the material web with a row of sensors. The sensors generate signals that are filed in a storage unit. A turning point is determined based on the function o... | 02/19/2002 |
| 5921452 | Device for pivoting a roller for a moving web A device (5) for swinging a roll (4) for a moving web (15) consists of a shaft (6) extending through the roll (4), with provision made for gearings (7, 8) on the ends of said shaft. A servo-drive (10) engages the gearing (7), putting the shaft (6) into ro... | 07/13/1999 |
| 5803334 | Ultrasonic edge sensor for the detection of a web edge An edge sensor working on ultrasonic principles is used to protect the edge of a travelling web and has a plurality of sensor units with adjacent or overlapping ultrasonic measurement fields between the transmitter and receiver of each unit. The units are... | 09/08/1998 |
| 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 |
| 5619779 | Device for smoothing down a running material web A device for smoothing out a running material web having a marginal edge and a downstream direction of travel. At least two driven, threaded spindles engage the marginal edge of the material web. A web-guiding body is located upstream of the first spindle... | 04/15/1997 |
| 5575414 | Process and device for guiding and keeping a material web spread A process and apparatus for guiding and keeping a material web spread out uses a spreading roll and with contact pressure elements and a control member controlled by a control system monitors the control path in a way such that the spacing of the contact ... | 11/19/1996 |
| 5460312 | Method of and apparatus for controlling lateral deviations of a travelling fabric web The travel of a fabric web is corrected by an image acquisition from a region thereof including a guidance criterium which can be interrupted to produce a single row of image points, the signals of which are digitalized and compared with a reference signa... | 10/24/1995 |
| 5421500 | Device for guiding a transversely stable web For guiding webs of paper or cardboard, a guide cylinder extending across half of the web grips onto the surface of the web and achieves moving corrections on the webs by rotation or swinging. The long, linear support zone of the guide cylinder causes a h... | 06/06/1995 |
| 5377891 | Process for controlling the force on a moving web of material An process for controlling the force exerted on a moving web of material, including a batten roller having an adjustable drive and a fixing roller having a pressure sensor. An amplifier is coupled between the pressure sensor and the adjustable drive. A we... | 01/03/1995 |
| 5322990 | Apparatus for reading coding on a moving coding carrier, especially a travelling fabric web A device for reading code lines on a moving carrier in which the lines extend transverse to the direction of movement. The reading head extends across the web and has a row of sensors subdivided into groups. The sensors of each group have a length equal t... | 06/21/1994 |
| 5307973 | Profiled rod for a web-spreading roller A profiled rod for a web-spreading roller has an elongated basic body of approximately C-shaped cross section with holding legs on both sides and with a friction-grip elastic support on its back. The support is fastened to an intermediate support made of ... | 05/03/1994 |
| 5166532 | Edge sensor for a moving strip of material An edge sensor for a moving web of material includes an elongated light source on which is mounted a receiver containing an active receiver element made of a plastics material with light-absorbing properties. The receiver element comprises an elongated li... | 11/24/1992 |
| 5133511 | Apparatus for the edge aligned connection of webs A roll changer for delivering a web of material has, for edge-aligned connection of the trailing end of a delivered web with the leading end of the web from a new roll, in addition to the web edge-sensor controlling the position of the delivery roll durin... | 07/28/1992 |
| 5111986 | Web-motion controller The web-motion controller comprises a guide frame (4) with two guide rollers (2.1, 2.2). The lateral deviation of the web 91) downstream of the second guide roller (2,.2) is monitored by a position sensor (8), whose output signal is converted into control... | 05/12/1992 |
| 5021674 | Process for determining the location of edges and photoelectronic scanning device for scanning edges A process and device for determining the location of at least one edge of a moving web within a measurement zone and in which a linear array of liquid crystal light modulators is interposed between a light source and a light receiver extending transversel... | 06/04/1991 |
| 4920622 | Apparatus for the spreading the guiding of a web of flexible material An apparatus for guiding and spreading a textile web comprising spreading rollers extending across the full width of the web and mounted on a unit in the support for the spreading rollers, pairs of fingerlike guide rollers which can be inclined toward one... | 05/01/1990 |
| 4848632 | Method for guiding a moving web of material The invention relates to a method of guiding a web of paper or foil material in a web-guiding device, such web having print marks applied to it at least over stretches of the web, as well as to such a web-guiding device with a correcting device, the latte... | 07/18/1989 |
| 4780631 | Device for the electronic control and regulation of machines An electronic control and regulation device for a machine or like apparatus has a plurality of printed circuit boards in a housing, each of the printed circuit boards having interconnected analog and digital circuitry with respective analog and digital te... | 10/25/1988 |
| 4760626 | Guiding and spreading device There is disclosed a device for guiding and spreading out a moving material web, which includes a spreading station, a guide station and at least one edge-sensing system downstream from the guide station. The spreading station is arranged downstream from ... | 08/02/1988 |
| 4727260 | Photoelectric scanner with light-reflector or light barrier A photo-electric scanning device 1, with tubular housings 2, 3 with light source 15 and receiving element 16 and 17, respectively, arranged transversely and enclosing a web between them. The receiving element 17 cooperates with the light source 15 either ... | 02/23/1988 |
| 4606486 | Tilt-box control system A control system is used in combination with a tilt-box arrangement for controlling the transverse displacement of a web and having a stationary support frame and a roller frame pivotal on the support frame about a frame axis and carrying at least one rol... | 08/19/1986 |
| 4532167 | Readable goods-marking system for textile processing A marking system for a textile web in production comprises a heat-, water-, and chemical-resistant substrate layer having a front and back face, pigment forming indicia carried on the front face of the layer, and a heat-, water-, and chemical-resistant co... | 07/30/1985 |
| 4330909 | Apparatus for flattening and guiding an elongated web An elongated knit web is flattened and guided by an apparatus having a support frame which extends longitudinally in a plane and which has an upstream and a downstream end. A pivot supports this frame for pivoting about a pivot axis transverse to the plan... | 05/25/1982 |
| 4329838 | Method and apparatus for detwisting cloth A twisted textile web is detwisted by continuously withdrawing the web from a supply and passing the web longitudinally along a path and over a curved deflecting surface formed by a roller that deflects the web and divides the path into an upstream leg an... | 05/18/1982 |
| 4197621 | Apparatus for flattening the bent-up edge of a sheet workpiece A sheet workpiece having an edge bent over on one face of the workpiece towards the center of the workpiece is continuously displaced in a transport direction over a flat support surface that lies against the other face of the workpiece at the bent-over e... | 04/15/1980 |
| 4145796 | Apparatus for flattening the bent-up edge of a sheet workpiece A sheet workpiece having an edge bent over on one face of the workpiece towards the center of the workpiece is continuously displaced in a transport direction over a flat support surface that lies against the other face of the workpiece at the bent-over e... | 03/27/1979 |
| 4053967 | Apparatus for flattening the bent-up edge of a sheet workpiece A sheet workpiece having an edge bent over on one face of the workpiece towards the center of the workpiece is continuously displaced in a transport direction over a flat support surface that lies against the other face of the workpiece at the bent-over e... | 10/18/1977 |
