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7611605 |
Method for making rolls of tissue sheets having improved properties
The roll properties of tissue sheets are improved by offsetting recurring surface features of the sheet relative to the surface features of adjacent sheets within the roll, such as by providing a...
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7531063 |
Method and apparatus for heating a roller
A method and an apparatus for heating a roller used in the production and/or finishing of a web of material, particularly a paper web or paperboard web, are provided. According to the method, a...
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7503998 |
High solids fabric crepe process for producing absorbent sheet with in-fabric drying
A method of making a fabric-creped absorbent cellulosic sheet is provided which includes dewatering a papermaking furnish and partially drying the web without wet-pressing before applying it to a...
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7476294 |
Press section and permeable belt in a paper machine
A permeable belt, a belt press including a roll having an exterior surface and the permeable belt, and a method of drying or pressing a web with the permeable belt. The permeable belt can be...
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7476293 |
Advanced dewatering system
System for drying a tissue or hygiene web. The system includes a permeable structured fabric carrying the web over a drying apparatus. A permeable dewatering fabric contacts the web and is guided...
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7468117 |
Method of transferring a wet tissue web to a three-dimensional fabric
A process for producing tissue webs is disclosed. In particular, the process is directed to transferring a wet web from a transfer surface to a separate conveyor, such as a fabric. The process, in...
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7459062 |
Dryer section
Dryer section for drying a fibrous web supported by at least one drying fabric. The dryer section includes a plurality of heated drying cylinders, a plurality of guide rolls, and a plurality of...
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7442279 |
Method and apparatus for producing tissue paper
A method of making paper comprising over drying the paper web by a dryer; transporting the paper web to a reel; and supplying dry air adjacent at least a portion of the paper web's travel path from...
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7429311 |
Method and assembly for moistening a moving web or paperboard
A method and assembly is disclosed for moistening a web of paper or paperboard, the assembly comprising a steam blow cavity open toward a moving web ( 1 ). The steam blow cavity houses spray...
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7419571 |
Method for controlling the temperature of a cellulosic web entering a dryer
The invention relates to a method for controlling the temperature of a web, which is formed from cellulosic pulp and is to be passed to a dryer, by way of applying temperature-controlled liquid to...
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7419569 |
Paper manufacturing process
A method of making soft, strong, high bulk tissue is disclosed. The method includes pre-conditioning a wet web by straining the wet web in the cross-machine direction prior to transferring the wet...
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7416637 |
Low compaction, pneumatic dewatering process for producing absorbent sheet
A low-compaction method of making an absorbent cellulosic web includes: forming a nascent web from a papermaking furnish; dewatering the nascent web to a consistency of from about 10 to about 30...
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7413629 |
Process for producing deep-nested embossed paper products
The present invention relates to processes for producing a deep-nested embossed paper products. The invention relates to a process for producing a deep-nested embossed paper products comprising one...
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7407562 |
Method, system and calendar for controlling the moisture profile and/or moisture gradient of a paper web, and a web
The moisture profile and/or moisture gradient of a paper web of at least SC quality paper is controlled in a paper machine comprising a calender ( 1 ) which has at least two roll stacks ( 21, 22;...
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7399379 |
Process of attaching reinforcing ply to ply containing mica-rich and mica-poor faces
The present invention relates to a sheet structure for electrical insulation or flame resistance comprising a barrier ply having a mica-rich face and a mica-poor face and a reinforcing ply...
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7387064 |
Method and apparatus for producing calendered paper
A paper web moistened in a paper machine and reeled on a machine reel is calendered in a multinip calender arranged apart from the paper machine, whose roll assembly is formed of a first set of...
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7357847 |
Device for drying a paper web
A device for drying a paper web includes a structured fabric for carrying the paper web rests during the drying process. A single roll unit includes a suction roll for dewatering the paper web and...
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7351309 |
Roll in a paper or board machine and a dryer group in a paper or board machine
A roll in a paper or board machine has a roll frame or center shaft ( 15 ) with bearings mounted at its ends and a groove-like surface structure ( 10 ). There is a contact between the surface...
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7326319 |
Method of pre-calendering a board web
A method for pre-calendering a board web is provided and comprises passing the board web in a pre-calendering process through at least one hard nip, formed by a metal roll and a counter roll, and...
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7320744 |
Moistening arrangement of multiple-nip calender
A multiple-nip calender has a set of rolls ( 2 ) with roll nips (N) between the rolls. A moistening arrangement has a roll means ( 3 ) for moistening the fibre web comprising a damping unit ( 33 )...
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7294239 |
Method and an apparatus for manufacturing and drying a fiber web provided with a three-dimensional surface structure
An apparatus for dewatering a fiber web in a paper machine includes a heated drying surface, a permeable fabric carrying the fiber web, and a condensing region adjacent a portion of the permeable...
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7294235 |
Supercalendering optimization using a steam shower
There is described a method and apparatus for applying steam from a steam source to a moving web to thereby improve the smoothness and gloss of the web. A housing has at least one cooling chamber...
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7282232 |
Bonded fibrous sheet material
The present invention refers to a method of producing a porous bonded fibrous sheet material comprising: (i) treating a porous fibrous substrate which is comprised of cellulosic fibers and which...
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7229528 |
Processes for foreshortening fibrous structures
Papermaking processes and more particularly to papermaking processes for foreshortening fibrous structures are provided.
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7192507 |
Machine for producing a fibrous material web
Machine for producing a fibrous material web and process for guiding the web through the machine. The machine includes a wire section, a drying section, arranged downstream of the wire section with...
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7186317 |
Method for producing soft bulky tissue
A process for producing tissue webs is disclosed. The process includes the step of partially dewatering a tissue web and then subjecting the web to multiple deflections against fabrics prior to...
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7169259 |
Shortened layout from dryer to reel in tissue machine
A dry end of a tissue machine is made shorter by close-coupling a reel-up to the drying section and supporting the web from the drying section to the reel-up by a foil or a belt such that web...
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7166189 |
Method for making rolls of tissue sheets having improved properties
The roll properties of tissue sheets are improved either by imparting cross-machine direction dominant bar-like protrusions to the air side of the tissue by using specially woven transfer fabrics...
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7160418 |
Wet crepe throughdry process for making absorbent sheet and novel fibrous products
An improved process for making sheet from a fibrous furnish includes: depositing the furnish on a foraminous support; compactively dewatering the furnish to form a nascent web; drying the web on a...
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7153390 |
Process for manufacturing a cellulosic paper product exhibiting reduced malodor
A process for manufacturing a cellulosic paper product is provided. The process comprises forming an aqueous suspension of papermaking fibers; introducing sodium bicarbonate into the aqueous...
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7141142 |
Method of making paper using reformable fabrics
Papermaking fabrics, particularly those fabrics useful for making tissue and towel products, can be modified to alter their structure, such as surface texture, and re-used to make a different...
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7125470 |
Unitary stratified composite
A unitary stratified composite composed of a first stratum and a second stratum integrally connected by a transition zone is disclosed. The first stratum serves as a liquid acquisition stratum that...
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7037407 |
Method and calender for calendering a paper web above the glass transition range of the paper
A paper web is calendered by passing the paper web through a nip formed by a heatable thermo roll and a backing roll. The surface temperature of the thermo roll is above the glass transition range...
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6977028 |
Method of drying a web
A method of drying a paper web is provided. The method utilizes a dryer, such as a through-dryer, having a first dryer section and a second dryer section. Within the first dryer section, a...
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6972073 |
Method for conveying and guiding a lead-in strip of a web in a paper machine
The invention relates to a method for conveying and guiding a lead-in strip in a paper machine, in which method a lead-in strip is directed over a run of a conveyor in the paper machine and a...
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6962296 |
Steam water spray systems
An apparatus and method to use steam to atomize water to produce a mixture of moisture and heat for application to the web of a paper machine for both production improvement and paper quality...
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6953516 |
Process for making throughdried tissue by profiling exhaust gas recovery
The energy efficiency of a throughdrying papermaking process is improved by recycling exhaust gas from one or more throughdryers prior to throughdrying to profile the consistency of the web.
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6916405 |
Process and device for drying of a material web
Process and apparatus for drying a material web. The process includes guiding the material web to at least one heated area having a jacket surface of a cylinder having a diameter of between about...
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6910283 |
Method and system for heat recovery in a throughdrying tissue making process
A throughdrying process and system for the manufacture of a tissue web conveys a fibrous web of cellulose fibers through a throughair drying station that includes one or more throughair dryers. The...
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6869506 |
Apparatus for dewatering a paper web and associated system and method
An apparatus for decreasing heat emission and enhancing a vacuum system in a papermaking machine is provided. Such an apparatus includes a drying device having an inlet for receiving heated air for...
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6869505 |
Method for calendering a board web
A long nip (N) shoe calender formed of a shoe roll ( 10 ) and a thermo roll ( 20 ) is used in calendering, with a nip dwell time which is over 10 ms, advantageously over 20 ms. The nip pressure is...
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6863775 |
Paper having improved print quality and method of making the same
A paper having an improved print quality comprises a paper substrate having a surface with a surface roughness of less than 6 microns and a surface gloss of 5-80% which surface has been coated with...
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6855229 |
Low viscosity bilayer disrupted softening composition for tissue paper
Disclosed is a composition for softening a wet laid cellulosic structure. A particularly preferred structure is an absorbent tissue. Further disclosed are tissue structures softened using the...
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6855227 |
Paper machine and method of dewatering a fiber web using displacement pressing and through air drying
A method of dewatering a fiber web in a paper machine, includes the steps of: dewatering the fiber web in a forming section to a solids content of greater than approximately 10%; displacement...
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6852196 |
Foam treatment of tissue products
A method for applying a foam to a paper web is provided. Specifically, a foam is first formed from a liquid-based composition and a gas, such as air. Once formed, the foam is applied by a foam...
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6849159 |
Device and method in the transfer of the paper board web in the paper or board machine
The invention concerns an equipment and a method in the transfer of a paper/board web in a paper or board machine. In an embodiment of the invention, the dryer section comprises at least one group...
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6838401 |
Heat-resistant fibrous paper
A heat-resistant fiber paper sheet which is formed from staple fibers made from a heat-resistant organic polymer, undrawn or low ratio drawn para-aromatic polyamide staple fibers, and an organic...
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6808600 |
Method for enhancing the softness of paper-based products
A method for softening a paper-based product, such as facial tissues, bath tissues, paper towels, etc., is provided. In particular, the method of the present invention includes exposing a...
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6790315 |
Drying section and method for drying a paper web
A drying section for drying a web in a papermaking machine has a pre-drying section and a final drying section, wherein the pre-drying section includes a hot press formed by a first press member...
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6780282 |
Machine and process for producing a fibrous material web
Machine and process for producing a fibrous material web. The machine includes at least one shoe press having at least one drying cylinder and a shoe press unit which are arranged to form a...
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