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| Number | Title | Issue Date |
| 7975402 | Nozzle insert for a Yankee impingement hood The present invention includes a nozzle insert for use in a drying machine of the type used in paper web drying. The nozzle insert of the present invention includes at least one intake having a central portion, wherein a pair of center vanes is disposed for directin... | 07/12/2011 |
| 7448147 | Nozzle insert for a Yankee impingement hood The present invention includes a nozzle insert for use in a drying machine of the type used in paper web drying. The nozzle insert of the present invention includes at least one intake having a central portion, wherein a pair of center vanes is disposed for directin... | 11/11/2008 |
| RE39601 | Method of and a device for transferring running dried web from one device to a subsequent device To accomplish a web transfer, which in reliability is comparable to the one obtained with a closed draw, in any operating environment, but especially where it is desirable to transfer a fast running tissue web (4) from the drying section of a tissue machine, ... | 05/01/2007 |
| 7140828 | Non-contact aerodynamic diverter/stacker insertion system Objects such as pieces of mail are stacked without significant contact therewith by producing laminar air flow over a surface which defines or parallels a desired movement path for the objects. The objects are placed and form a barrier between the laminar air flow a... | 11/28/2006 |
| 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 |
| 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 |
| 6928753 | Device for keeping a cold-rolled strip dry in the outlet of strip rolling mills The preferred quality requirements postulated by producers for the product cold-rolled strip include, among good flatness and optimum thickness tolerances, also dryness of the strip in the outlet of strip rolling mills. Already existing devices that are disposed in ... | 08/16/2005 |
| 6910282 | Method and apparatus in the drying section of a paper machine or the like A web (16) running from an opening nip (K1) between a cylinder (10) and a supporting fabric (18) toward a roll (14), is supported by a negative pressure created by a blow box (30). In an intensified negative pressure region ... | 06/28/2005 |
| 6842996 | Segmented air distribution bar An air-knife is described in the form of a segmented air distribution bar equipped with control valves along the length of the bar to enable a user to incrementally adjust the air distribution across the width of an inking roller of a printing press. ... | 01/18/2005 |
| 6742285 | Air knife and conveyor system An air knife constructed in accordance with the present invention directs a curtain of air across a region and most typically is used to direct the stream of air against a surface. In an exemplary embodiment of the invention the air knife includes an elongated housi... | 06/01/2004 |
| 6598315 | Nozzle arrangement in airborne web-drying and method for improving heat transfer in airborne web-drying A nozzle arrangement in an airborne web-drying apparatus for drying a coated paper web (10) or the like. The nozzle arrangement comprises at least one overpressure nozzle (14), which is arranged to blow drying air both in the web's travel direction and ag... | 07/29/2003 |
| 6564473 | High efficiency heat transfer using asymmetric impinging jet A method and apparatus for impingement of fluid onto a moving surface. The apparatus includes an asymmetric slot nozzle having an opening formed between an upstream wall and a downstream wall. The nozzle is disposed generally adjacent the surface onto whi... | 05/20/2003 |
| 6470598 | Deckel edge profiler An adjustable deckel profiler is disclosed, for use in apparatus for drying a moving paper web. The profiler is a slidable member which interacts with impingement air to control and adjust the air against the moving web. Means are provided for adjusting a... | 10/29/2002 |
| 6446358 | Drying nozzle and drying device and cleaning device using the same Disclosed is a drying nozzle for realizing a high-efficiency drying device capable of drying an object to be processed to a sufficient degree. The drying nozzle includes a drying gas supply portion having an air supply tube for supplying air for drying a ... | 09/10/2002 |
| 6442864 | Thermal equalizer A thermal equalizer for use in a paper web drying machine and process is disclosed. The equalizer is located at the junction of a crescent header and the associated nozzle box and its use results in a more uniform temperature and nozzle velocity in the cr... | 09/03/2002 |
| 6431858 | Method and arrangement for supporting a web and avoiding air losses in a heat treating apparatus In an apparatus for heat treating a material web that enters and exits the apparatus through respective gaps, an air cushion generating unit includes a slot nozzle through which a ventilator blows a laminar flow of air, which then flows laminarly along a ... | 08/13/2002 |
| 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 |
| 6289607 | Flotation dryer unit and method of use A method and flotation dryer unit effects drying of a web such as a coated paper web. The flotation dryer unit advantageously includes several nozzle boxes extending across the web for feeding drying air toward the web to be dried, a distribution chamber ... | 09/18/2001 |
| 6108939 | Blower nozzle A blower nozzle, especially for heating or cooling web-like materials, especially plastic foil webs, comprises at least one distribution chamber (11) and often a supply chamber (7). In the improvement, between the supply chamber (7) and the distribution c... | 08/29/2000 |
| 6049995 | Infrared dryer with air purge shutter A combination infrared/air convection dryer or oven for travelling webs. A shutter assembly is provided between the infrared radiation source and the moving web in order to selectively expose the web to infrared radiation, and to create a sealed air chamb... | 04/18/2000 |
| 6018886 | Effect of air baffle design on mottle in solvent coatings Apparatus for drying coated web material and preferably moving web material comprises a nozzle, means for supplying air to the nozzle and means to distribute the air through said nozzle substantially uniformly across the web width, said nozzle arcing from... | 02/01/2000 |
| 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 |
| 5970627 | Active web stabilization apparatus An active web stabilizer including a structure having a leading edge and a working surface coupled by a curved surface, the working surface being positioned proximate to a passing web. An internal pressurized air duct extends along the working surface ort... | 10/26/1999 |
| 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 |
| 5749164 | Web dryer with coanda air bars The invention relates to improvements in drying webs and is applicable with particular advantage, although not limited to, a process carried out in a paper making machine; that of the application of `size` or `coating`. A web dryer (1) comprises two air bar as... | 05/12/1998 |
| 5738760 | Method of and a device for transferring running dried web from one device to a subsequent device To accomplish a web transfer, which in reliability is comparable to the one obtained with a closed draw, in any operating environment, but especially where it is desirable to transfer a fast running tissue web (4) from the drying section of a tissue machi... | 04/14/1998 |
| 5735060 | Dryer section including a device and method for transferring a strip of paper from a first treatment station to a second treatment station in a paper machine In a drying section of a paper making machine, the paper web is conducted through a plurality of single tier dryer sections and then transferred to at least one final double tier dryer section for completing the drying process. The paper web is threaded t... | 04/07/1998 |
| 5718058 | Process and apparatus for the traveling of a paper tail from a first to a second handling station in a paper machine In a drying section of a paper making machine, the paper web is conducted through a plurality of single tier dryer sections and then transferred to at least one final double tier dryer section for completing the drying process. The paper web is threaded t... | 02/17/1998 |
| 5659972 | Apparatus and method for drying or curing web materials and coatings A radio frequency (RF) assisted flotation air bar dryer apparatus and method for drying and/or curing a traveling web includes RF generating means for delivering RF through field and RF stray field to the web to heat the web, air bars to direct air flow t... | 08/26/1997 |
| 5621983 | Apparatus and method for deckeling excess air when drying a coating on a substrate An apparatus and method for evaporating a coating solvent from a coating on a first substrate and for minimizing the formation of mottle. A drying oven includes a plurality of air foils positioned adjacent to the second substrate surface. Each of the plur... | 04/22/1997 |
| 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 |
| 5570519 | Method and device in contact-free treatment of a web A method and device for contact-free treatment of a web in which the web is treated, for example supported, reversed, spread, carried, and/or dried, by blowings which provide a carrier-face zone. The carrier-face zone has a curved form regulatable in a di... | 11/05/1996 |
| 5524363 | In-line processing of a heated and reacting continuous sheet of material A method of drying [apparatus for ] a strip of material or web, which may advantageously be performed by providing a drying apparatus including a conditioning zone immediately following but fully integrated with the [dryer] drying zone, to lower the bulk ... | 06/11/1996 |
| 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 |
| 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 |
| 5199623 | Device for supporting, turning and spreading of a web A device for contact-free supporting, turning, and spreading of a paper web, comprises a face (K) curved in accordance with the turning of the web (W), in connection with which face (K) the web (W) runs supported by air blown in between the face (K) and t... | 04/06/1993 |
| 5092059 | Infrared air float bar Infrared air float bar for use in floating and drying a continuous planar web of a material in a dryer. Direct radiated or reflected infrared electromagnetic energy from an infrared bulb in a removable air bar channel assembly accelerates drying, or evapo... | 03/03/1992 |
| 5070627 | Directional diffusion nozzle air bar A directional diffusion nozzle air bar for utilizing an arrangement of holes to discharge air from a partial round member in the form of circular jets. The direction of discharge of the air is adjustable by a rotatable baffle rotatably mounted within the ... | 12/10/1991 |
| 5064979 | Microwave air float bar for drying a traveling web Microwave air float bar for use in floating and drying a continuous planar web of a material in a dryer. Radiated microwave radio frequency energy from a microwave in an air bar accelerates drying, or evaporation of solvents, or curing of planar web mater... | 11/12/1991 |
| 5035066 | Ultraviolet air floatation bar Ultraviolet air float bar for use in floating and drying a continuous planar web of a material in a dryer. Direct radiated or reflected ultraviolet electromagnetic energy from an ultraviolet bulb in a removable air bar channel assembly accelerates drying,... | 07/30/1991 |
