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| Number | Title | Issue Date |
| 8186613 | Device and method for cutting and winding a tubular resin film A device and method are provided for continuously manufacturing a thermoplastic resin film product of any width having a small film thickness and uniform flat surface at an excellent yield. A tubular resin film cutting and winding device for cutting a tubular... | 05/29/2012 |
| 7422132 | Vacuum belt conveyor with lateral guidance for a web forming machine A vacuum belt conveyor for a web forming machine intended for transporting a web threading tail (24) has lateral guidance. The vacuum belt conveyor has a frame construction (16) with two rolls (17, 18), an air-permeable belt loop (21) and... | 09/09/2008 |
| 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 |
| 7300018 | Method and device for stabilizing high-speed unwinding of a strip product The invention relates to a method and a device for stabilizing high speed running along a longitudinal direction, of a band (4) applied on a rotary surface (3) and along which a portion of the surrounding air forms a boundary layer (43) trapped ... | 11/27/2007 |
| 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 |
| 6955742 | Removable shower strip for a papermaking machine A shower device for a papermaking machine is provided which includes a longitudinally extending hollow member having an inlet end adapted for connection to a pressurized water source. A slot extends longitudinally along at least a portion of the hollow member. The s... | 10/18/2005 |
| 6936137 | Air clamp stabilizer for continuous web materials A device for non-contact support of a continuous moving web of material employs an air clamp stabilizer that includes a Coanda slot and a backstep that is located downstream of the direction of the airflow extending from the Coanda slot. This configuration permits a... | 08/30/2005 |
| 6805318 | Device for guiding a metal strip on a gas cushion An apparatus is described for guiding a metal band (1) on a gas cushion with blowing boxes (4) which are disposed one after the other in the longitudinal direction (3) of the band and whose nozzle fields (5) which extend transversally to ... | 10/19/2004 |
| 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 |
| 6651923 | Method and device in a paper machine, coating machine, intermediate winder, unwind stand of a slitter-winder, or in any other device for treatment of a web The invention concerns a method and a device in a paper machine, coating machine, intermediate winder, unwind stand of a slitter-winder, or in any other device for treatment of a web. In the event of disturbance, the web (P) is made to be wound in a contr... | 11/25/2003 |
| 6543662 | Web transport system A method and apparatus for transporting a web having at least one table element including at least one inclined blowing device (4a-4d), at least one rounded hump (8), and at least one sucking device (6a-6c) between the at least one blowing device (4a-4d) ... | 04/08/2003 |
| 6511015 | Method and apparatus for stabilizing the running of a web in a paper machine or a like A method and a device for stabilizing the web run in a paper machine or the like having a blow suction module (12) mounted above and/or below the web. The blow suction module comprises a blow nozzle unit (14) extending across the web, through which gas, s... | 01/28/2003 |
| 6397495 | Web steering air flotation device for printing equipment An air bar for steering a web of material has a hollow interior subjected to an air bar supply pressure. At least one air jet exit is connected to the hollow interior of the air bar. A metering device is assigned to the hollow interior of the air bar for ... | 06/04/2002 |
| 6364247 | Pneumatic flotation device for continuous web processing and method of making the pneumatic flotation device The present invention provides a pneumatic flotation device for use in a continuous web processing system for continuously processing paper and other flexible materials and a method of making the pneumatic flotation device. The pneumatic floatation device... | 04/02/2002 |
| 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 |
| 6241179 | Method and apparatus for web flutter containment, and application to web splicing A wall is provided on one side of a web of paper or the like traveling along a predefined path, and an airstream is produced between the wall and the traveling web approximately in the direction of web travel. A transverse static pressure gradient is esta... | 06/05/2001 |
| 6231001 | Nozzle array for levitational guidance of web material A nozzle array for levitational guidance of web material. The nozzle array includes a sequence of nozzle areas in the transport direction of the web which are peripherally encompassed at least in part by fanned jets and their width varies in the direction... | 05/15/2001 |
| 6155518 | Blow box for levitated guidance of a material web Apparatus for levitated guidance of a material web moving in a travel direction, includes a blow box which defines an air chamber in communication with a source for supply of blowing air. The blow box has a planar surface portion positioned in facing rela... | 12/05/2000 |
| 6102325 | Reel slitting device and guide device Reel slitting device for a material web that includes a slitting station that slits the material web into a plurality of partial webs and a winding station that winds the plurality of partial webs into a plurality of partial web rolls. The winding station... | 08/15/2000 |
| 6070824 | Method and apparatus for manipulating large sections of artificial turf A method and apparatus for manipulating large sections of artificial turf for the removable covering of a smooth, rigid surface such as a floor, with a large section of artificial turf which involves pulling it across the surface while supported on a pneu... | 06/06/2000 |
| 6047873 | Web feed guide apparatus In an apparatus for feeding and delivering a thin web in a longitudinal direction, a web guide for precisely controlling the lateral position of the web includes an assembly formed of a platen and mating cover. The platen is provided with an upper surface... | 04/11/2000 |
| 5991964 | Web cleaner A tissue web cleaner and method of cleaning tissue webs in a rewinder utilize the Coanda effect to produce an improved tissue product. The Coanda effect web cleaner utilizes the smooth flow of a thin layer of air to scrub off dust and lint embedded and en... | 11/30/1999 |
| 5957077 | Guide tube bend fluid bearing Disclosed is an apparatus for deploying and retrieving a towed array from a ehicle. This apparatus includes a cable storage device positioned inside the vehicle hull. A winch is positioned adjacent this cable storage device for paying out the array and ret... | 09/28/1999 |
| 5924619 | Method and apparatus for passing a printed web between the separated cylinders of a deactivated printing unit of a web fed rotary printing press A method and apparatus are provided for passing a printed web through the separated printing or blanket cylinders of a motionless downstream printing unit of a lithographic rotary printing press. First and second blast air devices are arranged on the firs... | 07/20/1999 |
| 5921451 | Dryer assembly for supporting and positioning a web The position of a printed web passing through an elongated dryer is shifted laterally during passage of the web through the dryer. A component of the resultant of all of the frictional forces acting on the web is caused to point in the lateral direction o... | 07/13/1999 |
| 5904312 | Reel slitter A reel slitter includes a slitting station for slitting a material web into partial webs and a winding station to wind the partial webs into partial web rolls. A transporter conveys at least one partial web from the slitting station. The transporter is di... | 05/18/1999 |
| 5893505 | Guide for a material web An arrangement for guiding a web of material, e.g., a pulp web or paper web, within a web production machine may include at least one web stabilizer extending substantially across an entire width of the web of material. The arrangement may also include at... | 04/13/1999 |
| 5888349 | Method for stabilizing a moving low-strength sheet A method of stabilizing a low strength sheet which involves passing the sheet under an apparatus having a width and a top surface and moving in a first direction at a rate sufficient to entrain air. The apparatus includes an airfoil adapted to extend alon... | 03/30/1999 |
| 5829166 | Air-cushion nozzle for drying apparatus An air-cushion nozzle for an air-treatment device has a hollow housing having an upper wall formed by a pair of end plates and a central plate. The end plates form with the central plate a pair of generally parallel slots directed upwardly generally towar... | 11/03/1998 |
| 5667124 | V-shaped nozzles for guiding and drying a web on an air cushion An arrangement for the levitated guidance of a material web includes a plurality of nozzle boxes to which blowing air can be supplied. The nozzle boxes are arranged above and below the material web and are arranged one behind the other in travel direction... | 09/16/1997 |
| 5577294 | Web cleaner apparatus and method An apparatus and method for cleaning a moving web of sheet material. The apparatus includes a Coanda nozzle having an elongated, curved foil and a slit for directing gas at a high rate of speed along the foil. The gas from the foil impacts a layer of air ... | 11/26/1996 |
| 5533659 | Dust removal system Apparatus for spreading a plurality of co-traveling web portions of a cut web such that a defined spacing is produced and maintained between the web portions. The apparatus includes a pair of spaced, perforated plates for permitting the application of sub... | 07/09/1996 |
| 5505042 | Air assisted feed through conveyor for rotary film wrapping apparatus An improvement in a bridge conveyor for a rotary stretch film wrapping apparatus for wrapping a product in a plastic film. The products are conveyed to a transition bridge around which the elongated shrink film is wrapped. The improved bridge conveyor sys... | 04/09/1996 |
| 5499673 | Method of and apparatus for conveying and guiding thin metal strip formed by quenching A continuous thin metal strip formed by quenching on a single quenching roll is separated from the quenching roll and conveyed along a fly path to a coiling system directly or via pinch rolls. The path along which the thin metal strip flies is stabilized ... | 03/19/1996 |
| 5480086 | Non-contact web conveying apparatus A non-contact web conveying apparatus in which static pressure support type air blowing boxes are arranged on both sides of a web in such a manner that the air blowing boxes are provided in staggered positions in the direction of movement of the web. The ... | 01/02/1996 |
| 5456556 | Device for transfer of articles by air-flow A device air-flow transfers objects each having at least one substantially flat surface. The device consists of a plurality of modules. Each module includes a chamber receiving a tray assembly. The tray assembly has at least a bottom part. The chamber is ... | 10/10/1995 |
| 5395029 | Flotation nozzle for web handling equipment A nozzle box assembly for use in apparatus for supporting and guiding a horizontally moving web of sheet material comprises an elongated housing defining an elongated, first chamber which extends centrally and axially of the housing. Second and third cham... | 03/07/1995 |
| 5370289 | Airfoil floater apparatus for a running web Apparatus including a single sided airfoil floater conveyor for floatingly conveying a running web of indeterminate length. The apparatus has a series of longitudinal air bars arranged in parallelism and spaced along the path of web movement. The bars hav... | 12/06/1994 |
| 5308005 | Film handling system In a photographic film or paper web handling system, a vacuum drum carried by a moveable carriage automatically picks up the end of a web roll and feeds it to a web path. The location of the roll surface is sensed and the carriage is positioned in close p... | 05/03/1994 |
| 5293699 | Process and apparatus for guiding a coated material strip An apparatus for guiding a coated material strip through a dryer has a plurality of guide elements disposed in the dryer so that the plurality of guide elements are equally-spaced. The plurality of guide elements each have a gas-permeable guide face which... | 03/15/1994 |
