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Document Title |
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7530179 |
Step air foil
Step air foil particularly for one-sided flotation of a running web, and web dryer incorporating the same. The air foil includes two discharge slots which allow for increased draw down force, which...
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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...
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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...
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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...
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6910282 |
Method and apparatus in the drying section of a paper machine or the like
A web ( 16 ) running from an opening nip (K 1 ) 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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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)...
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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...
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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...
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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,...
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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...
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5016363 |
Device for float-conveying of webs of material
A device for acting upon and float-conveying webs of material, more particularly paper, using air or another fluid medium, inter alia, for drying the web, including a number of spaced-apart air...
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5014447 |
Positive pressure web floater dryer with parallel flow
A modified double slot impingement nozzle for floater dryers is used to maximum advantage by optimizing the relationships of the spacing between the nozzles and the nozzle lengths for each row of...
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4932140 |
Arrangement of pressure nozzles for the treatment of webs
An arrangement of pressure nozzles intended for the treatment of webs comprises a nozzle box. The nozzle box has a carrying face (16) placed facing the web, two nozzle slots (17,18) that blow...
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4922628 |
Web dryers or the like having airfoil means for controlling a running web at the dryer exit
A web dryer for floatingly suspending a running web and having a horizontal exit slot through which the web exits from the dryer, makeup air being drawn into the dryer through said slot and in a...
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4901449 |
Tri-flotation air bar
Air flotation bar for use in floating and drying continuous webs of material in a dryer using dimensionally enlarged air bars. Air flows through three Coanda air slots to provide an air flow...
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4854052 |
Floater radiation dryer
A floater dryer for drying a web-shaped (W), moving material, in particular a paper or cardboard web. The dryer comprises a plurality of radiation/air blowing units (10) which are provided on one...
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4848633 |
Non-contact web turning and drying apparatus
Disclosed is an apparatus for transporting a web about a nonlinear path without allowing the apparatus to contact the web. The apparatus includes a series of positive pressure nozzles which emit a...
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4837947 |
Device for acting upon webs of material with a flowing medium
The device utilizes air or other flowing medium to act upon and guide in a hovering manner webs of material, particularly for drying the web. The device has an air duct or the like which comprises...
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4606137 |
Web dryer with control of air infiltration
A unique nozzle assembly (11, 12) is provided for placement within the chamber (4) of a web dryer (1) and closely adjacent a housing web slot (5, 6). The nozzle assembly generally comprises a...
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4601116 |
Coanda nozzle dryer
A Coanda dryer nozzle unit in which a nozzle opening formed in a plenum chamber just below and extending along one edge of a wall of the chamber parallel to the web to be dried is connected to the...
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4472888 |
Coanda effect nozzle for handling continuous webs
A Coanda effect nozzle includes first and second longitudinal airfoils mounted in spaced apart relationship generally transverse to the travel of the web. A mechanism is mounted between the first...
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4384666 |
Nozzle apparatus for handling web material
Nozzle apparatus of the over-pressure type for handling web material includes a nozzle box having a nozzle carrying surface which is curved towards the interior of the box to define a recess in the...
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4274210 |
Gas nozzle for use in treating material webs
A nozzle for use in web treatment apparatus includes a carrying surface extending substantially parallel to the web and guide members defining an annular slit in a central region of the carrying...
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4271601 |
Web dryer operating on the air float principle
Apparatus for drying a web, such as a paper web, including a plurality of nozzle members successively located one after the other both in and transverse to the direction of travel of the web, each...
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4247993 |
Nozzle apparatus for airborne paper web dryers
Nozzle apparatus for airborne paper web dryers of the non-impingement or underpressure type including a blow box member defined by top web supporting and bottom wall portions and back and front...
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4218833 |
Float treatment apparatus
An air cylinder for supporting a moving web of material during heat treatment, particularly during drying, of such web. The cylinder comprises a plurality of nozzles which are arranged in a...
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4201323 |
High velocity web floating air bar having a recessed Coanda plate
An air bar for floating a running web and having two spaced apart air nozzles through which pressurized air is directed against the web to form a supporting air cushion for the web. The nozzles are...
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