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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7347398 | Device for transferring a foil matter from outside to inside of a machine Apparatus for transferring a foil matter from outside to inside of a machine. The apparatus has a longitudinal axis. The machine includes a frame comprising a first wall and a second wall. A window in the second wall. The outside and inside areas are separated by th... | 03/25/2008 |
| 7328541 | Apparatus and method for controlling position of an edge of an advancing web of flexible material A method comprises pulling a continuous web to advance the web along a path of conveyance and to create tension in a lengthwise portion of the web; manipulating the web to cause the portion of the web at a point along the path to have a non-uniform tension across th... | 02/12/2008 |
| 7314440 | Former for a strip-producing or strip-processing machine A former is provided for a web-producing or a web-processing machine. The former is structured with a porous material through which a fluid can pass. The porous material is positioned or located on at least one region of the former that is cooperating with a strip o... | 01/01/2008 |
| 7311234 | Vectored air web handling apparatus A web control device is provided as a generally cylindrical hollow bar having a plurality of holes disposed thereon. Each of the plurality of holes is capable of providing fluid contact between the central portion and the outer portion of web control device. The web... | 12/25/2007 |
| 7279125 | Take-off unit A withdrawal device for blow-molded film has an air turning bar with an air cushioned surface for transporting the film, and the bar surface includes at least in part a sintered material. The sintered material portion of the bar surface provides a region of increase... | 10/09/2007 |
| 7275709 | Turning device A turning device uses a turning bar for diverting a material web. The turning bar includes a sleeve with a plurality of holes and an inner chamber that is supplied with compressed air, as well as a closing body. The turning bar is supported by a frame and is able to... | 10/02/2007 |
| 7240595 | Process for producing magnetic tape A process for producing a magnetic tape is provided, in which a web is extended in the width direction immediately before it is cut by a slitter when the web is supplied to the slitter to be cut into several magnetic tapes. The extension of the web is performed by a... | 07/10/2007 |
| 7201300 | Device for deflecting a web A device for deflecting a web has at least one turning bar (1; 2) that can be shifted. A first turning bar holding device (11a, 11b; 11a, 11b, 11c) is connected with an axial end of the tur... | 04/10/2007 |
| 7100864 | Turning bar A turning bar is used to turn a web of material. The turning bar includes an outer jacket that is provided with holes on at least one section of its circumference. An inner chamber of the turning bar is provided with compressed air. A piston is arranged in the inner... | 09/05/2006 |
| 7099120 | Method for supporting a tape head assembly on an air cushion A method of supporting a transducer head in a read/write application provides an air bearing member that has a bearing surface area. The transducer is reciprocally supported on the air bearing member. Gas is flowed out of the bearing surface area so that the transdu... | 08/29/2006 |
| 7073747 | Guiding roller and adjusting method A guiding roller, that is used to turn a web of material, has a jacket surface provided with holes over at least a portion of its periphery. An inner surface of the guiding roller is provided with compressed air. A piston is axially displaceable in the roller inner ... | 07/11/2006 |
| 7025303 | Turning bar for contactless guidance of a tubular film A turning bar for contactless guidance of a tubular film web moved at a loop angle around the turning bar, including a support tube with a hollow interior, which can be connected with a compressed air source. The support tube has a plurality of air outlet openings w... | 04/11/2006 |
| 6909581 | Tape head assembly with air bearing guide A transducer head assembly used in a read/write recording apparatus employs an air bearing that supports a carriage on an air cushion for reciprocal motion. The carriage supports a transducer and is moved by a drive in order to read or write on a track located on a ... | 06/21/2005 |
| 6796524 | Reversible angle bar for a web printing press A reversible angle bar device for a web printing press having a web with an entering web centerline has a support, a first angle bar portion angled with respect to the first entering web centerline on a first side of the entering web centerline, and a second angle b... | 09/28/2004 |
| 6786449 | Angle-bar arrangement for web-processing rotary presses The present invention is directed to an angle-bar arrangement for deflecting material webs on an angle-bar jacket (1) which is provided with a plurality of air outlet openings (2). Closing elements (6), which seal off respective air outlet openi... | 09/07/2004 |
| 6722608 | Porous air bearings for tape transports and method of fabrication thereof An air bearing system for a tape transport (10) including air bearing (322) having portions (360 and 370) providing different flow rates of air to support the tape. ... | 04/20/2004 |
| 6684777 | Device for the control of blowing air, turner bar assembly, and printing machine The device for the control of blowing air is connected to a compressed-air source and it includes at least one outflow orifice. The device has a valve element which is moveable into a first position in which blowing air flows from the compressed-air sourc... | 02/03/2004 |
| 6666399 | System for transfer and inversion of a continuous web substrate between printing and other devices An inverting transfer apparatus for continuous web substrate, such as may utilize a single printing system including a conventional or existing simplex web-fed xerographic print engine.... | 12/23/2003 |
| 6655395 | Method and device for scouring and cleaning rolled steel strip A device for pickling or cleaning rolled steel strip which is moved in the form of loops through several pickling and cleaning containers arranged within a treatment line, wherein at least one strip side is subjected tot he action of a pickling or cleanin... | 12/02/2003 |
| 6619583 | Device for contact-free guidance of a web material over a surface A device for contact-free guidance of a web material over a surface element whereon a first longitudinal fold is formed in the web material, the surface element decreasing in width continuously from a top crossmember to a bottom crossmember, and being def... | 09/16/2003 |
| 6533217 | Web-processing apparatus A web-processing apparatus comprises a dryer with air-turn apparatus for flotatingly supporting a web and, preferably, for changing a direction of web movement. The air-turn apparatus may be used in the web dryer or with other suitable web-processing equi... | 03/18/2003 |
| 6505792 | Non-contact floating device for turning a floating web Air turn for supporting and optionally drying a web, comprising an arcuate surface having a plurality of apertures formed therein. Pressurized gas is supplied to the air turn plenum, and exits through the plurality of apertures to form a cushion of air to... | 01/14/2003 |
| 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 |
| 6443389 | Self threading air bar An air-bearing apparatus for aiding in conveying a web is taught comprising a central web support housing including a cylindrical surface and two sides. There is an end cap positioned adjacent each of the two sides, the end caps and the central web suppor... | 09/03/2002 |
| 6427941 | Web transporting method and apparatus In a web transporting apparatus that transports a web while floating the web by jetting air from jetting holes formed in a transporting surface to the web, edge rollers that is rotatable and supports edges of the web are provided at both ends of the trans... | 08/06/2002 |
| 6354531 | Apparatus and method for continuously reeling a web material The invention relates to an apparatus for continuously reeling a paper web, especially a high-gloss magazine paper web, around a reel spool. The apparatus comprises means for guiding the paper web towards the reel spool, means for winding the paper web ar... | 03/12/2002 |
| 6336608 | Flexible web roller guide assembly with an integral centrifugal pump capability to provide a hydrostatic air bearing function to the roller guides outside supporting surface A combination flexible web roller guide assembly and an integral centrifugal pump (fan) functional device located inside the roller's outer surface where an air bearing flexible web support Hydrostatic air film is created upon the roller guide's exterior ... | 01/08/2002 |
| 6332588 | Coiling machine for hot rolled stock such as strip or sheet A coiling machine for hot rolled stock with a thickness of between 0.5 and more than 5 mm, arranged downstream of a rolling train and a shears assembly (11). The coiling machine comprising a turntable assembly (12) rotating around an axis of rotation (13)... | 12/25/2001 |
| 6302353 | Turning bar apparatus A turning bar apparatus includes a stationary turning bar assuming the form of a hollow cylinder and adapted to change the running direction of a web looped therearound and a compressed-air supply unit for supplying compressed air into the hollow interior... | 10/16/2001 |
| 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 |
| 6131847 | Turner bar for a web fed rotary printing machine A turner bar has an outer surface having a profile shaped for enabling air cushions to be built up between the outer surface and a printed material web which is fed around the turner bar. In addition, or as an alternative, a guide plate or an aerofoil pro... | 10/17/2000 |
| 6120142 | High-speed printer and the uses of such a printer The present invention relates to a printer with a single printing motor and a single non-contact heating element characterized in that it includes a printing width and a paper path width greater than that of a double web width between 18.5" (46.99 cm) and... | 09/19/2000 |
| 6024266 | System and method for transporting and clamping flexible film structures One or more porous air film rolls are used, in a system to support a flexible web during movement of the web, and selectively provide either compliant or rigid clamping of the web while performing processing operations on the web at a work station. The pr... | 02/15/2000 |
| 6004432 | Sheet turn with vectored air supply In a papermaking machine for forming tissue paper, a turning bar is disposed having a curved surface about which a web of tissue paper is turned. The bar has an internal air plenum which supplies air to two sets of holes or slots. The first set is arrange... | 12/21/1999 |
| 5967456 | Turning rod A turning rod is used to change the direction of travel of a paper web. A guide tube is supported between spaced holders and is provided with air outlets in one side. The guide tube is rotatable about its longitudinal axis through generally 180°. At leas... | 10/19/1999 |
| 5967457 | Airfoil web stabilization and turning apparatus and method An apparatus and method for stabilizing and changing the direction of a web moving in a web path between web handling devices. The apparatus includes an airfoil having a bulbous front end tapering to a narrowed rear end, the airfoil having first and secon... | 10/19/1999 |
| 5957360 | System and method for transporting and clamping flexible film structures One or more porous air film rolls are used, in a system to support a flexible web during movement of the web, and selectively provide either compliant or rigid clamping of the web while performing processing operations on the web at a work station. The pr... | 09/28/1999 |
| 5947411 | Method and apparatus for air flotation The present invention is directed to introducing air into a web interface of a former board without using holes or internal passageways in the forming bar. Exemplary embodiments achieve an even distribution of air on a surface of the former board which al... | 09/07/1999 |
| 5636450 | Contact-free diverting device for sheet material A device for diverting sheet, web or mat material treated continuously uses an air cushion (6) formed about a cylindrical surface (4). Infrared transmitters (7), whose radiation is directed to a portion of the material (1) being diverted, are provided in ... | 06/10/1997 |
| 5570831 | Pneumatic static guide for a tape A tape guide device having apertures formed in two tape-winding surfaces of non-rotatable curvature portions. A tape restriction is provided at a connecting portion of the tape guide device interconnecting the curvature portions. A flange is provided on o... | 11/05/1996 |
