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WO/1997/020006A2 |
The disclosure relates to a transfer belt the top side of which is coated with a first separator while the bottom face is coated with a second separator of substantially greater separating force that the first. In order to widen the rang...
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WO/1997/020106A1 |
Air entrained within the pond of a coating applicator is influenced toward a designated region for removal. The region is formed by a recessed air collector which sets up a high-recirculation, low-pressure zone within the pond. Entrained...
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WO/1997/018351A1 |
The invention relates to a process for the production of paper from a suspension of cellulose containing fibres, and optional fillers, which comprises adding a water-soluble cationic or amphoteric branched acrylamide-based polymer and an...
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WO/1997/017289A1 |
A composition comprising the product precipitated in the admixing of a soluble metal salt and one or more compounds having a component selected from silicates, phosphates and borates; and a method for controlling drainage and/or retentio...
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WO/1997/016598A1 |
A method for enhancing retention during the manufacture of paper, cardboard or the like, wherein a first retention agent consisting of a high-molecular weight cationic polymer is added to the fibrous suspension, the resulting flocs are o...
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WO/1997/015722A1 |
A method of applying a coating of hot melt polymeric material from a die to a substrate. Hot melt polymeric material is extruded through the die onto the peripheral surface of a rotating application roller to provide a coating layer alon...
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WO/1997/013035A1 |
The invention relates to a method of coating a moving web of paper or paperboard. In the method, the web to be coated is passed to a coater station, wherein a coat layer is applied to at least one surface of the web, and the web is dried...
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WO/1997/013036A1 |
The invention relates to a method of coating a moving web of paper or paperboard. In the method, the web to be coated is passed to a coater station, wherein a coat layer is applied to at least one surface of the web by means of high-pres...
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WO/1997/013034A2 |
A coater head (22) is positioned beneath a backing roll (24) and has a housing divided into three sections (25, 27, 41). A first coating pond (28) is defined between an overflow barrier and a first wall (33). A converging plate (32) exte...
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WO/1997/011223A2 |
The present invention relates to a method of creping a paper which comprises applying a water-soluble, non-thermosetting polyamidoamine or modified polyamidoamine directly to the surface of the creping drum in an apparatus for producing ...
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WO/1997/008385A1 |
A uniform film of coating is delivered onto a substrate such as paper, felts and blankets by a film applicator (20; 100; 120; 142) which has a static converging wedge (32; 88; 108; 128; 150), an adjustable converging wedge (33), and an e...
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WO/1997/005024A1 |
A container is formed of paperboard having a caliper of at least approximately 0.007 inches, a rolled brim arc length of less than about 0.25 inches, an outer radius of curvature of the container cut through the plane normal to the axis ...
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WO/1997/004172A1 |
A rigid metal housing is positioned downstream of a coating applicator. The housing supports a plurality of positionable contact elements formed of a low friction, high wear-resistant material, which extend inwardly from the housing to e...
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WO/1997/000921A1 |
A wet end additive composition which is used as a sizing agent in a papermaking process, the composition comprising a two phase suspension of swollen starch having a dry substance from about 0.5 to about 30 % by weight, a cooked swollen ...
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WO/1997/000356A1 |
A method for making heat-stable paper including a heat-stable binder is disclosed. In particular, a method for making heat-stable paper that has been densified by calendering is disclosed. The calendering rolls are coated with a coating ...
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WO/1996/040032A1 |
An apparatus and method of forming a coated paper applicator (10) is disclosed for inserting a substance into a body cavity along with the applicator itself. An apparatus for coating paper and a method of forming paper into an applicator...
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WO/1996/038629A1 |
The use of water-dispersible polyisocyanates with anionic and/or potentially anionic groups and cationic and/or potentially cationic compounds in paper finishing leads not only to higher retention but also to improved dry and wet strengt...
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WO/1996/036767A1 |
A coater head (22) has a housing (23) which defines a coating pond (28) supplied with coating under pressure. A plurality of bars (21) extend within the coating pond (28) in the cross-machine direction, and are spaced parallel to one ano...
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WO/1996/034148A1 |
A metering rod type coating applicator (10) is provided with a metering rod (26) having its peripheral surfaced texture to a texture in a range of Ra 0.5 'mu'm to Ra 1.6 'mu'm to improve the application of coating to a moving surface e.g...
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WO/1996/030591A1 |
A novel method for making paper using, within a fibrous composition, a cationic starch having a high fixed nitrogen content, i.e. one higher than 0.95 %, and a polyaluminium compound such as a (basic) polyaluminium chloride or a polyalum...
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WO/1996/030432A2 |
The present invention relates to methods and apparatus for the controlled placement of a shear-thinnable polymer composition into a moving web. The controlled placement is preferably performed by applying the polymer composition onto a s...
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WO/1996/025557A1 |
Tissue paper having an enhanced bulk softness comprises from 0.01 to 5 % of a water soluble polyhydroxy compound, e.g. glycerol, based on the dry fiber weight of the paper. These nonionic polyhydroxy compounds have high rates of retentio...
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WO/1996/025219A1 |
A filter material for removing chlorine from cold water used in preparing a human-consumable beverage having at least one layer of a mat of laid fibers (2) of cellulosic fibers (2) and synthetic textile fibers (2) and mixtures thereof. A...
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WO/1996/024719A2 |
Tissue paper having an enhanced bulk and tactile softness through incorporation of an effective amount of a polyhydroxy compound and an oil is disclosed. Preferably, from about 0.05 % to about 2.0 % of the polyhydroxy compound, on a dry ...
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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/1996/024088A1 |
A system for coating a substrate with ultra-thin layers in stripes includes moving the substrate (32) through a coating station and forming a composite layer (48) including coating fluids (244, 248) and a carrier fluid (252). The composi...
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WO/1996/022422A1 |
A coating apparatus (10) is disclosed for coating a web of paper (W). The apparatus (10) includes a first and second roll (12, 14) having axes of rotation (16, 18) disposed parallel relative to each other such that the rolls (12, 14) def...
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WO/1996/021061A1 |
A process for the manufacture of a paper having improved grease and water resistance, yet facilitating recycling of the paper is achieved by applying a recyclable plastic coating to a paper making machine.
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WO/1996/020310A1 |
Process for the manufacture of a coloured fibre material, containing a certain proportion of cellulose fibres, such as paper and nonwoven. A dyestuff is applied onto reel or sheet pulp either on the whole material or only on part of it, ...
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WO/1996/019617A1 |
Application apparatus for the coating of a travelling web (5), comprising a support roll (3) and a predosage roll (7'), said rolls forming a nip between themselves through which the web is brought to travel, further comprising an applica...
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WO/1996/018254A1 |
A high-speed out-of-band signalling technique for transferring information such as station status information between stations in a communication network, typically a local-area network, involves sequentially generating a plurality of n-...
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WO/1996/017128A1 |
Soft creped tissue paper products comprising papermaking fibers and a biodegradable crepe facilitating composition is disclosed. The crepe facilitating composition is a biodegradable bonding inhibitor, a cationic starch and a carboxymeth...
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WO/1996/008601A1 |
A polysiloxane-containing treating agent for tissue paper products contains 25 to 95 parts by weight of polyethylene glycol and/or glycerine liquid at room temperature, 5 to 75 parts by weight polysiloxane and 0 to 25 parts by weight wat...
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WO/1996/008602A1 |
Lubricant is applied to the rolls of the size press to lubricate the rolls prior to moving the coating heads into their coating position by substantially simultaneously applying a lubricating film to each of the rolls of the size press i...
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WO/1996/007790A1 |
The invention concerns a mechanism for directly or indirectly aplying a liquid or pasty medium onto a moving strip of material, in particular a web of cardboard or paper. The mechanism has a basic assembly comprising a supporting beam (3...
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WO/1996/007791A1 |
There are prior art devices for applying coating material to both sides of paper or cardboard webs (8) having two adjacent pressure rollers (2, 3) in a frame (1), between which there is a nip (7) through which the paper or cardboard web ...
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WO/1996/006227A1 |
In known pressure impregnating devices, a chamber that becomes continuously narrower in the transport direction is located between a roller surrounded by the web to be impregnated and the inner wall of a trough which contains the impregn...
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WO/1996/006226A1 |
The prior art includes methods and devices for coating webs of paper or cardboard (2) in which an excess of coating material is first applied to the web (2) by an applicator (1) and the excess subsequently wiped off by a dosaging device ...
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WO/1996/005373A1 |
The invention relates to a process of applying a polyhydroxy high molecular weight polymer or like material to a substrate, comprising adding to a solution of such material in anionic form a flocculent of oppositely charged form in order...
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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/1996/000816A1 |
A method of applying a film of coating material to a web of pulp product on a machine and an apparatus for carrying out the method. The coating material is directed in a fluid against the surface of a web of pulp product in the form of a...
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WO/1995/035411A1 |
A lotion composition for imparting a soft, lubricious, lotion-like feel when applied to tissue paper in amounts as low as from about 5 to about 15% by weight, and tissue paper treated with such lotion compositions are disclosed. The loti...
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WO/1995/033097A1 |
Paper is made by forming a thick stock cellulosic suspension, flocculating the thick stock by adding a relatively high molecular weight and relatively low cationic charge density polymer, diluting the flocculated thick stock to form a th...
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WO/1995/033096A1 |
Paper strengthened by starch, typically in amounts of 3 to 15 % dry weight, is made by flocculating a cellulosic suspension using a polymeric retention aid which can be dissolved cationic starch but is preferably a synthetic polymer havi...
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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/1995/028522A1 |
The invention concerns a method for two-sided coating of a printing-paper web with a coating paste or equivalent. In the method, the paper web (W) is passed through the coating part (1) of the paper machine, in which the first side of th...
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WO/1995/028521A1 |
Method for preventing fibre flocculations to occur and to disperse already formed fibre flocculations, better to distribute additive chemicals, to increase fibrillation, to improve reaction and yield from two component chemicals, to prev...
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WO/1995/027825A1 |
Disclosed is a preparation process of paper for increasing the contents of the inorganic fillers in the paper and enhancing Scott internal bond strength. Additional to a conventional preparation process of paper, as a cellulase type enzy...
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WO/1995/024529A1 |
Disclosed is a process for making soft tissue paper which includes providing a dry tissue web and then applying a sufficient amount of a functional-polysiloxane softener compound to the dry web. The softener application process includes ...
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