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Patent Searching and Data


Matches 301 - 350 out of 3,437

Document Document Title
WO/2012/072196A1
Devices are known for coating paper or cardboard webs (6), which devices have two rolls (1, 2) which are mounted in an axially parallel manner next to one another and form a nip (5), through which the paper or cardboard webs (6) are guid...  
WO/2012/072873A1
A method for producing paper or board comprising spraying size mixture from spray nozzles (4,5) direct onto at least one surface of a web (6) and pressing the web, after spraying the size mixture, by leading the web through a press nip (...  
WO/2012/070644A1
The objective of the present invention is to provide a method that is for producing paper and that is able to increase the efficiency of producing high quality paper. The method for producing paper has a step that, in the water system of...  
WO/2012/067615A1
A size press (SP) surface sizing composition provides a SP surface sizing (120) for a print medium (100) that is used in a digital printing system (200). The surface sizing composition includes an aqueous mixture including a macromolecul...  
WO/2012/063188A2
The present invention relates to an apparatus for applying a coating, preferably a high viscosity coating to a supported web, preferably tissue. The apparatus of the present invention comprises a sealed coating chamber that can be suppli...  
WO/2012/059635A2
The invention relates to a method for surface sizing a fibrous web. The method comprises bringing a fibrous web to a surface sizing station, at which a surface size, which has its dry matter content preferably within the range of 20-30%,...  
WO/2012/057790A1
An inkjet printable media comprises a paper base containing a surface coating comprising calcium chloride and a synergistic amount of a sulfate salt. When the printable media is printed with an inkjet ink containing a black pigment, a KO...  
WO/2012/056568A1
An inspection system for coated paper is provided with: a travelling path (4) on which a paper-made web (W) travels; a coating device (10) for forming a band (2) by applying a coating liquid to the web (W) so as to cross in the widthwise...  
WO/2012/052350A1
The invention relates to a method for operating an application apparatus (1) for applying liquid to pasty application media (A1, An, An-1) in the form of at least one free-falling curtain (14) to a fibrous web (F) having an application h...  
WO/2012/052371A1
The invention relates to a method for mixing one or more fluids (2, 3), of which at least one fluid (2, 3) is formed at least in part by a chemical, into a main stream (1) that is delimited by a channel wall (5). In this process, a mixin...  
WO/2012/052361A1
The invention relates to a method for operating an application-medium supply system (9) of a multiple-layer application head (2) having at least two distribution chambers (4.1, 4.n, 4.n-1) of an apparatus (1) for applying liquid to pasty...  
WO/2012/041676A1
The invention relates to a device (1) for directly or indirectly applying a liquid to pasty application medium in the form of at least one free-falling curtain (3) to a moveable material web, in particular a fibrous web (F), said device ...  
WO/2012/041673A1
The invention relates to a device (1 ) for directly or indirectly applying a liquid to pasty application medium in the form of at least one free falling curtain (3) to a moveable material web, in particular fibrous web (F), said device (...  
WO/2012/041662A1
The invention relates to a method for operating a device (1), and to a device for directly or indirectly applying liquid or paste-like application media to a displaceable material web, in particular a fiber material web (F) in the form o...  
WO/2012/020334A1
The inversion relates to a method for the surface treatment of paper or board, which, method comprises adding a surface treatment agent to the paper or board and creating said paper or board in at least one calender ¾r breaker stack nip...  
WO/2012/020477A1
A coating material supply line for a DF coater and coating material supply method for a DF coater are provided which do not cause streak defects on the coating film of base materials. The coating material supply line for a DF coater supp...  
WO/2012/013384A1
The invention relates to a process for producing a fibrous web (9), in particular a paper or board web, wherein the fibrous web is produced with a plurality of plies in a forming section, dewatered in a press section and dried in a predr...  
WO/2012/013857A1
The invention relates to an arrangement for determining blade pressure. The arrangement includes a doctor apparatus (10) equipped with a doctor blade (12) with a work edge (19), for doctoring or coating a surface (13). The arrangement al...  
WO/2012/010511A1
The invention relates to a curtain applicator (1, 1a, 1b) for coating a moving paper, cardboard or other fibrous material web (2) with at least one liquid to paste-like application medium (3, 3a, 3b to 3n), comprising a machine-wide appl...  
WO/2012/010492A1
The invention relates to a curtain applicator(1) for dispensing at least one fluid to pasty application medium in the form of a single or multiple layer curtain (3) falling onto a substrate (2) to be coated substantially due to gravity, ...  
WO/2011/157639A1
The invention relates to a method for producing a painted fibrous material web, in particular a cardboard web, in which first a material flow (S) is generated, which is then fed consecutively to at least one headbox (1, 1a), at least one...  
WO/2011/154376A1
The invention relates to a method for producing a single-layer or multiple-layer, coated paper, in which method, instead of producing a bleached top layer or a top layer which contains de-inked fibres, a pigment-containing application la...  
WO/2011/154335A1
The invention relates to a process for producing a coated paper useful for later flexographic printing without intermediary drying, wherein at least one coat layer is applied to an uncoated paper. The invention provides that at least one...  
WO/2011/156054A1
Methods and apparatuses (100) herein may provide for the application of viscous fluids, such as adhesives, in pre - determined patterns to an advancing substrate (106). The fluid application apparatus may include a slot die applicator (1...  
WO/2011/151234A1
The invention relates to a method for producing a coated multilayer fibrous web, in particular a packaging paper or cardboard web. First, a material flow (S) is produced which is then successively fed to at least one headbox (1), at leas...  
WO/2011/148031A1
A method and apparatus are described for controlling a coating head, which exerts a nip pressure to a fibrous web to be coated (102) while the fibrous web is supported by a backing roll (101). An output signal of a sensor (105) integrate...  
WO/2011/145172A1
Provided is a DF (Direct Fountain) coater head (1) which includes a plurality of chambers (23), into which a paint (W) is supplied, and feeds the respective paint (W) from these chambers (23) through a nozzle section (33) to form the fed...  
WO/2011/138162A1
The invention relates to a process and to an apparatus for mixing several fluids (1, 2), at least one fluid (2) being formed at least partly by a chemical, into a main stream (6) bounded by a channel wall (5). In this process, very subst...  
WO/2011/138158A1
The invention relates to a process for addition of a liquid chemical to a process stream by means of a mixing apparatus, comprising a mixing step and a cleaning step, wherein a liquid chemical is supplied to the process stream in the mix...  
WO/2011/138161A1
The invention relates to a mixing arrangement for mixing a plurality of fluids (2, 3), of which at least one fluid (3) is at least partly formed by a chemical, into a main stream (4) formed by a fibrous suspension (1) for producing a pap...  
WO/2011/138143A1
The invention relates to a process for addition of a liquid chemical to a process stream by means of a mixing apparatus (10, 200), comprising a housing, especially a mixing tube (20), at least one fluid feed orifice (30), a chemical feed...  
WO/2011/130503A2
A method is described for making paper or paper board by applying a composition containing enzyme and cationic coagulant to papermaking pulp prior to paper forming to preferably improve drainage, retention, or both. Sheets of pulp from w...  
WO/2011/122599A1
Disclosed is a process for producing a coated paper for printing purposes which has good printing quality by spray coating. Specifically disclosed is a process for producing a coated paper for printing purposes which comprises a base pap...  
WO/2011/116846A1
The invention relates to device (1) for applying a liquid or pasty medium (2) to a moving fibrous web (3), in particular a paper, bank note paper, cardboard, or packaging paper web, on both sides, comprising a first application roller (5...  
WO/2011/115167A1
Disclosed is a technique for efficiently manufacturing, by means of curtain coating, coated printing paper which exhibits excellent print quality and whereon minute un-coated sections (craters) are unlikely to be generated, even in high-...  
WO/2011/114456A1
Disclosed is a coating agent for a DF coater, which enables the production of a printed paper with a DF coater, is particularly inexpensive, and enables the improvement in whiteness of a coated surface. Specifically disclosed is a coatin...  
WO/2011/116253A2
The invention provides a method of producing paper with a higher proportion of mineral filler particles than is otherwise be possible without the expected loss in paper strength by preflocculating the filler particles. The method allows ...  
WO/2011/104866A1
The disclosed production device that produces a wrapping paper having low flame-spreading properties for cigarettes as a coated paper is equipped with: a travel path (L) of a web (W) for the wrapping paper having low flame-spreading prop...  
WO/2011/105552A1
A process is provided in which fine uncoated spots (craters) are less apt to result even from high-speed coating and by which coated printing paper having excellent white-sheet quality and bringing about excellent print quality is effici...  
WO/2011/095431A2
The invention relates to a device (1) for applying at least one liquid to paste-like application medium (2) by means of a curtain application unit (2) to a running subsurface (4), wherein the subsurface (4) under direct application is th...  
WO/2011/088911A1
The invention relates to a thermal paper or carbonless paper machine (1), comprising a carrier web production device (23) having a wet part (3) comprising a sheet forming unit (4) and a press device (5) and a drying device (6) disposed d...  
WO/2011/084996A2
The invention provides a composition of matter useful for producing very soft high grades of tissue paper. The composition of matter comprises an adhesive composition that includes a glycerol-based polyol. The glycerol-based polyol preve...  
WO/2011/083518A1
A head for a DF coater wherein the length of a curtain film in the width direction thereof can be adjusted, paint does not leak from the portion of a nozzle, the portion not forming the curtain film, and impasto at the edge of the curtai...  
WO/2011/080626A2
Anti-viral tissues are provided with a pH indicator which can communicate to a tissue user by means of visual indicia, via color changes, that the tissue has active ingredients. Furthermore, the pH indicators can be used to illustrate ne...  
WO/2011/077048A1
Process for manufacturing a smooth, or even ultrasmooth, printable sheet comprising the steps consisting in: preparing a multilayer structure (12) comprising at least one lower plastic film (14), a non-stick intermediate layer (16), and ...  
WO/2011/076629A1
The invention relates to a metering device, comprising a holder (11) and an insert (14), for coating liquid or viscous coating medium onto a moving material web. The holder being elongated and mountable to a frame and comprising an inser...  
WO/2011/070229A1
The invention relates to a doctor blade for a fiber web machine. The doctor blade (10) includes a blade section (11) and a fastening detent sect ion (12). In the cross-sectional plane, the blade section (11) is asymmetric while the faste...  
WO/2011/065911A1
The present invention relates to a method of producing a moulded fibrous product 5, said method comprising providing a moulded, hot-pressed and dried fibrous product formed from an aqueous pulp suspension11 in a vat 12, said product 5 ha...  
WO/2011/064454A1
The present invention relates to paper coatings and paper coating materials, especially the invention relates to a process for coating a fiber matrix using dry coating methods. In said process a coating composition comprising binder and ...  
WO/2011/058613A1
Provided is a DF coater capable of hardly causing density variations and unevenness on the coated surface of a base material without adjusting the thickness of a curtain film. The DF coater comprises a DF coater head (14) formed long alo...  

Matches 301 - 350 out of 3,437