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6749723 |
Measuring arrangements in a shortened dry end of a tissue machine
A property of a paper web is measured using one or more reflectance measurement sensors emitting measuring beams onto the web and receiving the beams reflected from the web, from which the web...
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6746573 |
Method of drying fibrous structures
A method for drying fibrous webs utilizing a limiting orifice medium with a plurality of pores. The web is disposed on a supporting fluid permeable carrier. The web is pressed between the...
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6740200 |
Methods and system for manufacturing and finishing web products at high speed without reeling and unwinding
A method for directly forming and finishing a web product is provided. The method includes forming a web on a forming apparatus, continuously transferring the formed web to a conveyor, performing a...
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6736935 |
Drying process having a profile leveling intermediate and final drying stages
The energy efficiency of a primary drying papermaking process is improved by the use of auxiliary dryers to dry the wet tissue webs to a final moisture of about 5% or less and adjust the CD...
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6712939 |
Process for manufacturing wet-felted and thermally bonded porous structures and porous structures formed by the process
A process for manufacturing wet-felted and thermally bonded porous structures is provided to produce formed porous media for use in filters with improved filtration performance. The process...
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6706150 |
Method and arrangement of impingement for blowing compensation of a tendency of curling of a paper board web to be treated as well as a paper or board machine
An air impingement arrangement and method for compensating for the curling tendency of a paper or board web which is being treated. Air impingement is disposed in connection with a paper or board...
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6701637 |
Systems for tissue dried with metal bands
A web treatment device is disclosed capable of heating and creping a fibrous web with control systems for uniform operation. The web is pressed between two belts in a compression zone, where is it...
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6699365 |
Method of wetting webs of paper or other hygroscopic material
This invention relates to a three-stream atomizing nozzle for use with a rewet shower. The nozzle has an air stream divider that separates the atomizing air from the source into three streams. The...
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6694870 |
Method for leading a web between calendar nips, and a calendar
In the method for leading a web between calendar roll nips (N), a web (W) is guided between the calender roll nips (N) in a loop which runs apart from the calender rolls, inside which loop an air...
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6569288 |
Method for manufacturing surface-treated printing paper
In the method for manufacturing surface-treated printing paper, a paper web is first dried down to a target moisture of the surface treatment, and it is wetted again to the target moisture before...
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6565709 |
Process for producing dimensionally stable release liner and product produced thereof
A method of producing dimensionally stable paper and/or paperboard products by treating a hygroreactive cellulosic fiber matrix with a hydrophobic sizing agent solution; and drying the treated...
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6551454 |
Method for producing coated calendered paper
Several paper grades are finished in a supercalender ( 1 ) or similar calender types in order to increase the smoothness, gloss and other properties of the paper. According to the invention, the...
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6551461 |
Process for making throughdried tissue using exhaust gas recovery
The energy efficiency of a throughdrying papermaking process is improved by recycling exhaust air from one or more throughdryers to further heat the web at various places in the process.
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6540862 |
Method and apparatus for enhancing film adhesion when extruding polyethylene terephthalate onto paperboard
This invention relates to the extrusion coating of polyethylene terephthalate (PET) onto paperboard. Such structures of this type, generally, provide an enhanced film adhesion of the PET onto the...
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6533899 |
Device for conveying and guiding a lead-in strip of a web in a paper machine
The invention relates to a device for conveying and guiding a lead-in strip in a paper machine, which device comprises a conveyor belt ( 20 ) which is permeable to air and in whose connection...
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6533900 |
Device in a paper machine for transfer of the web from the former section to the press section
A method in a paper machine for transferring a paper web from a wet wire in a former section to a pick-up fabric or an equivalent transfer fabric of a press section, including the steps of forming...
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6517676 |
Recyclable thermoplastic moldable nonwoven liner for office partition and method for its manufacture
A rigid thermoformable recyclable nonwoven liner material is formed by a wet process on a papermaking machine. The rigid thermoformable nonwoven liner material is intended to be laminated to a...
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6514382 |
Process for producing bulky paper
A process for producing bulky paper comprising the steps of transferring a fiber web ( 2 ) having a water content of 50 to 85% by weight to a patterning zone having a perforated patterning net ( 31...
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6510623 |
Dryer group in a dryer section of a paper or board machine and a dryer section of a paper or board machine
A cantilevered frame in a paper machine dryer group of a dryer section supports a drying wire loop to run by at least one impingement drying unit positioned outside the loop. The frame structure (...
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6497789 |
Method for making tissue sheets on a modified conventional wet-pressed machine
A tissue sheet is made using a modified wet pressing machine in a modified wet pressing process employing an integrally sealed air press. After initial formation and conventional vacuum dewatering,...
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6494992 |
Vacuum conveyor
Process for transferring at least a portion of a running web from a first section of a web making machine includes rotating an endless conveyor belt by driving at least one driven pulley, creating...
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6475343 |
Process and device for dewatering a fibrous material web
Process and apparatus for dewatering a fibrous material web. The process includes guiding the fibrous material web through a dewatering zone, and directing a plurality of gas pressure pulses of a...
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6475342 |
Method of and arrangement for treating a fiber web
The invention relates to a method and arrangement for moistening a substantially dry fiber web and subjecting the moistened web to heat and compression.
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6447640 |
Impingement air dry process for making absorbent sheet
A process for making absorbent sheet includes: (a) depositing an aqueous furnish of cellulosic fiber on a forming fabric; (b) dewatering the wet web to a consistency of from about 15 to about 40...
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6440271 |
Method and apparatus in moistening of a web
In the method in moistening of a web, water is applied with a wetting device ( 2 ) in a predetermined point on the surface of a paper web (W) or the like passing by the point, and the web is...
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6425981 |
Apparatus and associated method for drying a wet web of paper
An apparatus and associated method for drying a wet web of paper comprising a drying section for increasing the dry solids content of a wet web of paper, a cleaning section disposed at least not...
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6416628 |
Method of producing dimensionally stable paper and paperboard products
A method of producing dimensionally stable paper and/or paperboard products by treating a hygroreactive cellulosic fiber matrix with a hydrophobic sizing agent solution; and drying the treated...
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6416695 |
Method for making smooth surfaced gypsum fiberboard panel
An improved method and apparatus for imparting a smooth surface to a gypsum fiber panels. The method involves imparting energy to the surface of the slurry as the slurry is dewatered just prior to...
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6402892 |
Drying section of a paper machine with a closed draw to a calender section
In a method at the end of the drying section of a paper machine, drying cylinders ( 1, 2 ) are arranged in two substantially horizontal cylinder rows, wherein the first drying cylinders ( 1 ) are...
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6372090 |
Method and apparatus for handling paper or cardboard webs
A method and apparatus for producing paper or board, according to which the paper or board web is transferred continuously supported through a drying section of a paper or cardboard machine and...
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6368459 |
Method and apparatus for coating a moving web of paper or board
A method and apparatus for coating a moving web of paper or board from on sides with at least one coat layer. The coat is applied to the web by means of a film transfer coater ( 12 ) and next the...
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6365004 |
Method and apparatus for drying a paper web
A method and apparatus effect drying of a paper web using a plurality of heated drying cylinders and at least one air impingement module having a hood. The paper web is brought into operative...
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6352590 |
Device for moistening web-shaped material
The present invention relates to a device for moistening a web-shaped material, wherein the moistening device is designed as a device for mobile use, and wherein the web-shaped material can be...
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6351896 |
Method and apparatus for drying a fiber web
A method and apparatus for drying a fiber web, in which the fiber web is dried between two tight bands moving in the same direction and turning around turning rolls. The first band is heated and...
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6331230 |
Method for making soft tissue
An uncreped tissue sheet having improved softness results from supplementally dewatering a wet web to a consistency of greater than about 30 percent using noncompressive dewatering techniques prior...
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6322667 |
Paper and paperboard of improved mechanical properties
The present invention relates to an improved method of treating paper products in order to enhance various properties thereof, and more specifically, including the step of treating the paper with...
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6294050 |
Drying end of a machine for the production of a material web and method of drying a material web
Drying end of a machine for the production of a material web such as paper or cardboard. The drying end includes at least one impact flow drier configured to bombard at least one surface of the...
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6287424 |
Method for finishing paperboard to achieve improved smoothness
A paperboard product having at least one layer of bleached or semi-bleached pulp and having improved smoothness and reduced bulk loss. For paperboard having sizing without pigment, the smoothness...
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6274001 |
Method for calendering surface sized paper/paperboard to improve smoothness
A calendering method which enhances the smoothness of surface sized paper/paperboard by a combination of temperature and moisture gradient calendering processes without the fiber sticking/picking...
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6264794 |
Process for manufacturing glazed paper
The process is used for the production of high-quality glazed paper and includes the three process sections, stock preparation (1), paper formation (2), and glazing (3). According to the invention,...
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6264795 |
Supercalendar steam shower
Apparatus and method for applying steam from a steam source to a moving web are provided. The preferred apparatus for carrying out the method comprises a housing having a leading edge and a...
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6258214 |
Process for the on-line manufacture of SC-A paper
A process for the manufacture of SC-A paper having a high gloss and high smoothness, wherein the paper arriving from the paper machine is supplied on-line to a supercalender (multinip soft...
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6230422 |
Method and apparatus for handling and drying a pulp web
A method and apparatus achieve a more sustainable lift of a wet or heavy pulp web from a pulp machine to the topmost drying level of a pulp drying, allowing the speed of production to be increased...
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6228220 |
Air press method for dewatering a wet web
An air press for noncompressively dewatering a wet web to consistency levels not previously thought possible at industrially useful speeds without thermal dewatering.
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6214168 |
Method and device in a paper machine for transfer of the web from the former section to the press section
A method in a paper machine for transferring a paper web from a wet wire in a former section to a pick-up fabric or an equivalent transfer fabric of a press section, including the steps of forming...
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6207019 |
Calender hood
A calender hood for a paper machine having a dryer section and a calender section the hood extending along a portion of the paper path from the dryer section through the calender section to...
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6200424 |
Method and arrangement for calendering a board web
An arrangement and method for calendering a board web including a calender providing a hot and hard calendering nip formed by two calender rolls and through which the board web passes. At least one...
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6200425 |
Arrangement in tissue machine
In a tissue machine, a roll is arranged to press a paper web against a Yankee cylinder. A steam box is arranged in connection with the roll. A steaming area of the steam box is arranged against the...
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6187137 |
Method of producing low density resilient webs
A method of using a conventional wet-pressed creped tissue machine produces a textured tissue sheet that is dried on a conventional cylindrical drum dryer to create an uncreped product with...
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6148538 |
Condensation device and suction element including a condensation device
Condensation device and suction element including a condensation device for machines for manufacturing and refining a fibrous material web. The condensation device includes at least one...
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