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WO/1996/023599A1 |
The method of coating a substrate (32, 102) with plurality of layers of coatings includes moving the substrate along a path through the coating station including a coating die (10, 110). A composite layer (48, 118) is formed of first and...
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WO/1996/020308A1 |
The present invention discloses the use of bleaching agents to increase the brightness of filled paper. In the process of the present invention, filled paper is treated with bleaching agents during the papermaking process. The process ma...
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WO/1996/013632A1 |
A process for enzymatically catalyzing an esterification of insoluble polymer fibres containing free hydroxy groups by reacting the polymer fibres with a carboxylic acid such as a carboxylic acid having the general formula R-COOR1, where...
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WO/1996/012615A1 |
A method for making a fibrous web and the wiper (71) made thereby which exhibits improved dry, wet and solvent tensile strengths as well as superior resistance to wet collapse. The web is formed from a furnish of lignocellulosic fibers a...
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WO/1996/012066A1 |
The present invention concerns a process and device for deacidifying printed or paper products of all types, in particular books. In order to avoid the so-called half-moon effect, i.e. careless handling in the region of a spine (7) owing...
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WO/1996/003546A1 |
A process for the manufacture of a lignocellulose-based product from a lignocellulosic material comprises treating the lignocellulosic material and a phenolic polysaccharide having substituents containing a phenolic hydroxy group with an...
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WO/1996/002703A1 |
The invention concerns a painting edge limiter for a painting arrangement with a short residence time for coating continuous material (2), in particular paper. This edge limiter seals laterally at both ends a coating slip chamber which i...
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WO/1995/030795A1 |
The proposed paper coating device comprises a device for applying a liquid coating medium to a moving paper sheet, and a drying device with at least one sheet deflector device which guides the sheet with the aid of an air cushion and wit...
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WO/1995/030049A1 |
Disclosed is a process and a device for producing paper webs that are coated on both sides, in particular LWC papers, within a papermaking machine. First, one side of the paper web (1) is coated in a first coating station (8) and then dr...
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WO/1995/029294A1 |
A household paper or paper for hygiene (toilet paper 1) consists of at least one, preferably two to four, layers (2, 3, 4) of tissue paper, wherein the paper is provided with an embossment (5, 5') in particular for adhesion of the layers...
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WO/1995/025847A1 |
According to the invention, in a conventional method for the manufacture of creped hygienic cellulose paper, in particular of tissue paper, a hemicellulose containing additive, in particular galactomannan, xylan or highly milled birch ce...
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WO/1995/018886A1 |
For the manufacturing of dry-formed webs of cellulose fibres there are two different ways of binding the fibres, viz. an application of glue to the web surfaces and, respectively, an admixing into the fibre charge of heat actuated bindin...
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WO/1995/017550A1 |
A backing bar assembly (20) has a plurality of positively positionable backing bar units (40) which are retained within an inverted U-shaped housing by semi-cylindrical lifters (68) which are adjusted by adjustment screws (60) connected ...
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WO/1995/017264A1 |
A device for the coating of a travelling web (7), preferably a paper web, comprising a back-up element (3), a metering means (9) cooperating therewith and intended for the application onto the web (7) across essentially the full width th...
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WO/1995/016074A1 |
Devices for coating paper or cardboard webs with a metering system which contains a doctor blade (2) as the metering component are known. The doctor blade (2) is held by a bed (3) of elastic, preferably rubber-elastic, material fitted in...
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WO/1995/015342A1 |
Cellulose is reacted with a carboxymethylating agent to form a lightly carboxymethylated cellulose having a degree of substitution such that it is not soluble in water, for example up to 0.4 carboxymethyl group per anhydroglucose unit. T...
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WO/1995/006779A1 |
An improved method of deacidifying books, imaged paper and other imaged materials having a cellulose base, wherein for a sufficient time to raise the pH of the materials, the materials are treated with alkaline particles of a basic metal...
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WO/1995/005505A1 |
A coating applied by cast coating on paper or cardboard contains: as pigment, 70 to 100 parts by weight coating kaolin and/or talc; as binder, 10 to 14 parts by weight latex with a glass transition temperature above 18 �C, in relation ...
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WO/1995/005506A1 |
A method and apparatus for deacidification of cellulosic materials such as the pages of books, magazines, newspapers, documents and the like are provided which ensure that substantially the entirety of each page is treated. The method in...
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WO/1995/004858A1 |
The amount of coating applied by an applicator is locally adjusted by locally disturbing the flow to the metering outlet, for example, by locally bleeding selected amounts of coating from the metering chamber of the coater to thereby con...
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WO/1995/000256A1 |
Coating device for one- or two-sided coating of a travelling web (5), comprising at least one counter-means and at least one first metering means (7) placed on the opposite side of the web (5) for applying onto said web, in cooperation w...
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WO/1995/000343A1 |
A paper recycling system for removing ink or toner deposits by ablation with a beam from a laser (10). A paper feeder (28) delivers documents to a pre-processor (32), where a bit map of the deposits is made through optical scanning, and ...
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WO/1995/000706A1 |
Soft throughdried tissues, which are sufficiently soft to serve as premium bathroom tissues, can be made without the use of a Yankee dryer. The typical Yankee functions of building-machine direction and cross-machine direction stretch ar...
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WO/1994/029505A1 |
Disclosed is a liquid transport material composed of pulp fibers hydraulically needled into a nonwoven fibrous structure adapted to have a liquid transport value of at least 12 grams of liquid per gram of material over 30 minutes. The li...
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WO/1994/017244A1 |
A process for coating a low-resistance paper web (based on used paper) has the following characteristics: the paper is coated on both sides; the paper web is dried after coating. The invention is characterized by the following traits: th...
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WO/1994/015718A2 |
A system (10) and method are provided for applying a desired protective finish to a web (14) of printed label stock. The web (14) of printed label stock is moved through a coating station (18), where a layer of hot melt varnish is extrud...
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WO/1994/015021A1 |
The present invention relates to a device, especially for applying a liquid, preferably an aqueous coating, to both sides of a paper web (2), in which transfer rollers (1; 1a) rotating in the direction of travel of the paper web (2) appl...
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WO/1994/012347A1 |
A film suitable for continuous application to particle boards in the making of laminated particle board is disclosed, which film is steam penetrable and impregnated with semi-cured impregnating resins and provided with a partially cured ...
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WO/1994/011556A1 |
Fibrous structures containing immobilized particulate matter and processes for making them are disclosed. These structures may be used for filters and for fabrics including chemical defense garments and others. The fibrous structures hav...
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WO/1994/011116A1 |
An application method and apparatus making able to apply a paper web or like in whatever stage of the process from the first dewatering step until the final drying step. The process comprises forming a fog from the coating slurry and dir...
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WO/1994/005856A1 |
Tissue papers, in particular pattern densified tissue papers, having an enhanced tactile sense of softness when treated with certain nonionic softeners are disclosed. These nonionic softeners are biodegradable and comprise sorbitan ester...
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WO/1994/002255A2 |
A strip or thread is wound around a preferably circular cylindrical doctor bar. The invention is characterized in that the strip or thread which constitute the winding are glued over their whole length on a preferably circular cylindrica...
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WO/1994/002256A1 |
A coating device has a coating roller (1) which forms a coating gap (10) with the counter-roller (4) for guiding the web of material (C). A preferably flexible guiding wall (2) having approximately the same shape as the casing of the cou...
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WO/1994/000637A1 |
A doctor bar, in particular for dosing coating slips on continuous webs of paper or cardboard or rubber coatings on cylinders, is characterized in that at least the superficial area which forms the doctoring or dosing surface is made of ...
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WO/1993/025305A1 |
This invention provides a process for deacidifying paper by contacting the paper one or more times with hydrocarbon solutions of certain magnesium and/or zinc alkoxyalkoxides, drying the books and rehydrating the books.
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WO/1993/023620A1 |
Papers with improved tensile strength and increased porosity are obtained by heat treatment of calendered sheets of poly(p-phenylene terephthalamide) short fibers and poly(m-phenylene isophthalamide) fibrids.
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WO/1993/022134A1 |
According to the invention, the supply (11) of an adhesion and release agent respectively to the surface of a Yankee-cylinder (1) from which the paper web is removed with the aid of a doctor blade (5) is controlled as a function of a sig...
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WO/1993/018229A1 |
Polyether-reinforced fiber-based materials, and methods for their manufacture, are disclosed. A representative material is a sheetlike ply having on one or both faces thereof a polyether-impregnated stratum extending depthwise into the p...
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WO/1993/017795A1 |
In coating devices for paper or cardboard webs (2) having a doctor blade (3) as dosing element, flexible pressure strips (5) that rest on the doctor blade (3) are used to allow the contact pressure of the doctor blade (3) to be regulated...
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WO/1993/014261A1 |
A method of forming a crosslinked cellulose product is disclosed wherein cellulose fibers are exposed to a solution that includes a catalyst and a crosslinking agent selected from the group consisting of a cyclic N-sulfatoimide or cyclic...
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WO/1993/014264A1 |
An apparatus is disclosed for preparing a quantity of individual treated fibers from one or more fiber mats. The apparatus comprises a fiber treatment zone, and a conveyor for conveying each mat through the fiber treatment zone. In the t...
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WO/1993/013940A1 |
A high-opacity cellulose-free synthetic paper (58) is formed from a wet-laid nonwoven web of thermoplastic fibers (44), all or most of which fibers are made of a predetermined polymeric material. The wet-laid web is dried to remove exces...
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WO/1993/013264A1 |
In a method for coating a material and, thus, for producing a lining, there is first (1, 2) applied a dispersion, containing a thermoplastic polymer and an additive, on the surface of a material, i.e. a web (R). The latter is then expose...
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WO/1993/011299A1 |
The cardboard described has a coating applied by cast-coating, the side of the cardboard on which the coating is applied having, before application of the coating, a water-absorption capacity, measured by the Cobb sizing test, of 25 to 4...
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WO/1993/011301A1 |
Disclosed is a cellulosic fibrous structure, particularly a consumer product such as toilet tissue, facial tissue or a paper towel. In a first embodiment, extending outwardly from each face of the cellulosic fibrous structure is a plural...
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WO/1993/007337A1 |
Polyurea-reinforced fiber-based materials, and methods for their manufacture, are disclosed. A representative material is a sheetlike ply having on one or both faces thereof a polyurea-impregnated stratum. When the material has only one ...
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WO/1993/005887A1 |
An apparatus for blade coating of a travelling web (7), preferably a paper web, comprising means (1, 2) for supporting and feeding of the web and a doctor blade (3) extending across the web and engaging the web along one edge or long-sid...
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WO/1993/006300A1 |
To carefully control the creping conditions when creping off a paper web (1) by means of a doctor blade (5) from the cylinder surface (2) of a Yankee dryer (3), a first sensor (82; 85) is provided for measuring on-machine a value of the ...
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WO/1993/005223A1 |
Devices are known for coating webs of material (3), in particular paper or cardboard webs, that have an applicator (4) and dosing system (12) mounted on swivelling arms (7, 13) in order to swivel the applicator (4) and dosing system (12)...
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WO/1993/002252A1 |
Disclosed is a process for making soft tissue paper which includes the steps of wet-laying cellulosic fibers to form a web; drying the web and elevating the web temperature, creping the hot web, and applying low levels of a polysiloxane ...
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