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WO/1990/015185A1 |
The object of the invention is a device for removing the waste paper or similar that falls beneath a paper machine, which device consists of an endless, continually circulating conveyor screen (3). In accordance with the invention the fi...
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WO/1990/014216A1 |
A system for controlling calendering roll diameters in continuous sheetmaking systems includes profile actuators (27) spaced from one another at generally decreasing distances (D1>D2>D3>...>DN) along a plenum (25) which extends from edge...
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WO/1990/014465A1 |
This invention is directed to an improved forming fabric for papermaking machines having a transverse nonwoven sheet contact layer (34) adhered to a base fabric layer (22) in order to better retain fines, the fluid flow passageways (42) ...
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WO/1990/012918A1 |
This invention relates to a paper machine clothing suitable for use in the forming, pressing or drying sections of a paper making machine and has particular reference to paper making machine clothing used in the dryer section of a paper ...
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WO/1990/012920A1 |
Superheated steam is applied directly to the surface (211) of a web of paper or the like to significantly increase at least the surface temperature of the web impinged by the superheated steam thereby to significantly heat the paper. The...
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WO/1990/010165A1 |
A papermakers fabric, and particularly a corrugator fabric, is disclosed wherein a flat-woven, multilayer structure is brought into endless form by jointing means (14) arranged obliquely to the running direction of the fabric and at the ...
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WO/1990/006398A1 |
Needled felt for papermaking according to the invention comprises fibers (with a specific fineness and a specific diameter) composed of a block polyamide copolymer having a hard segment of a polyamide component such as a block polyamide ...
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WO/1990/006397A1 |
The present invention relates to an article of paper machine clothing formed from a fibrous material having a woven base and an optional batt layer attached thereto characterised in that said fibrous material comprises fibers of poly(und...
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WO/1990/006386A1 |
A seamed papermaking fabric having a multilayer base fabric includes an endless woven fabric forming a tubular belt that is flattened to form a base fabric (2) with at least one helical coil seaming member (12, 12') inserted between oppo...
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WO/1990/001580A1 |
An apparatus is disclosed for cutting a tail from a web (WA) extending from a single tier dryer section (15A) to a further single tier dryer section (16A). The apparatus includes a last dryer (18) of the dryer section (15A) and a dryer f...
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WO/1990/001673A1 |
A stationary measuring bridge (4) arranged above and across a moving paper web (2) has a measurement head (5) which travels to and fro across the paper web in order to obtain measurement values for deriving the thickness of the paper web...
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WO/1989/003300A1 |
An endless papermaker press felt having a plurality of modular yarn assemblies (12, 18, 24) contains a plurality of fibrous batts (30, 32, 34) and a plurality of yarn assemblies in which the yarns in each assembly are located in substant...
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WO/1988/007929A1 |
A papermakers' fabric having at least one layer of elastomeric foam to minimize the amplitude of vibration from the press roll. The elastomeric foam layer (24) may be needled, chemically adhered, attached mechanically or adhered directly...
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WO/1988/005478A1 |
A felt or sieve driving cylinder of a paper drying group or installation having at least one paper driving cylinder (1), for example a drying cylinder, driven by a toothed gear, is driven as follows: from the shaft (12) of a gearwheel (9...
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WO/1988/005099A1 |
The method and apparatus automate the observation of the dry line on the wire of the Fourdrinier paper machine on whose visual observation by eye the conventional control of the paper machine is based. In the invention, the position of t...
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WO/1988/002797A1 |
Double layer paper-making cloths of this kind are composed of a set of longitudinal threads and at least two sets of transverse threads woven together at least in a sixfold relationship, so that one set of transverse threads forms an adv...
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WO/1987/007663A1 |
Fixation device for permeable web materials, such as felts and wires for paper machines, where air at controlled temperature and pressure is pressed through the web from jets in at least one pressure chamber (12) on one side of the web, ...
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WO/1987/007664A1 |
Alignment strips (3) are thereby fastened in the vicinity of the ends (1, 2) of the product, both alignment strips being formed by a sheet-like part (4) one edge of which is provided with a U-shaped element (5). In order to provide a fir...
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WO/1987/006633A1 |
Method for regulating the cross-direction pulp profile of a paper web produced in a paper machine, which paper web is formed from hydrous pulp suspension (3) or similar material fed from the headbox (1) on the wire (2), water being remov...
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WO/1987/006283A1 |
A blow box (40) which is disposed within a pocket (26) defined by a web (W) and felt (F) travelling together from a first dryer (12) to and around a second dryer (14) and onto and around a third dryer (16). The blow box (40) includes a w...
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WO/1987/005062A1 |
System with a heating element of a sectional structure over which webs of paper or paper product are led so that webs with a crosswise difference in moisture content will be heated per section and in such a way that a flat paper web or p...
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WO/1987/004740A1 |
A control valve (22) for controlling both the flow of steam (S) from a steam header (18) and air (A) into a steam box (12) of a web drying machine. The control valve (22) includes a valve body (26) defining a longitudinal passageway (28)...
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WO/1987/004248A1 |
Device for detecting the beginning of a break or a tear on the edges (4) of a sheet of paper (5) while it is moving, said device being of the type comprising a light source (6) and a receiver cell for receiving the light transmitted by t...
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WO/1987/003632A1 |
Method and apparatus for reducing moisture differentials of a moving web (1), for instance, a paper web, containing longitudinal wet streaks, by applying high-frequency electromagnetic energy to bar-formed electrodes (2), which are locat...
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WO/1986/005219A1 |
A flat structure permeable to liquid, especially to a press felt for use in a papermaking machine, the structure being made up for a body (1) made of a castable polymer, the body having holes (2) formed during the casting process and pos...
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WO/1985/003094A1 |
A steam box or hood (10) for controlling the moisture profile of a fibrous web such as paper during forming and pressing. The steam hood (10) includes a plenum (12) filled with nonturbulent, substantially atmospheric pressure steam which...
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WO/1985/002634A1 |
A method of adjusting the amount of water contained in a paper sheet in a drying step in a paper making process, together with a dryer cylinder used in this method. A dryer cylinder (3) on which a synthetic fiber cloth (2) having fiber g...
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WO/1985/002425A1 |
A roller for a paper smoother or calender is provided with a rotary tubular casing (20) and a fixed core (30) traversing the casing of the roller. The space (31) separating the casing from the core is divided into multiple annular chambe...
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WO/1985/001969A1 |
The outer side surface of the drying cylinder (1) is delimited by a plurality of coaxial rims (2) having the same radius, arranged side by side and separated two by two by an axial space (7), and made of a good heat-conducting material. ...
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WO/1985/001968A1 |
A device for mounting fabrics in papermaking machines, which device consists of a supplementary strip (5) mounted along the lengthwise edge or edges of the fabric (1). Spaced apart apertures (6) are formed in the strip along the length o...
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WO/1985/001693A1 |
A papermaker's felt is formed by needling a compressible batt layer (15, 17) onto one or both sides of a based layer woven fabric (12). The batt layer is formed from a mixture of at least two types of fibers. A first type is present in m...
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WO/1985/001532A1 |
Method for electromagnetic heating by induction heating of a roll, in particular of a calender roll, used in the manufacture of paper or of some other web-formed product. In the method, a variable magnetic flux is directed at the mantle ...
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WO/1985/000840A1 |
Process for heat-sealing a layer of pervious material (26) to a support (20) formed of interwoven threads characterized in that during the fabrication of the support (20) there are provided on one side (21) special threads having a core ...
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WO/1984/002391A1 |
A flame intensity controller for controlling the air/gas mixture introduced into a conveying and/or mixing tube (24). Plural heating arrays (106, 108, 110, 112) are transversely aligned to the direction of movement to dry the moving web ...
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WO/1983/001253A1 |
A monofilament of low carboxyl content for use in fabricating a paper machine dryer fabric having improved resistance to hydrolytic degradation and abrasion. The monofilament comprises a polyester, a polyester stabilizer and a thermoplas...
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WO/1982/002413A1 |
A roller press for a paper machine comprises a first pressure roller (10) and a second pressure roller (11) forming together a pressing nip. An endless felt (19) circulates on guiding rollers (21 to 25) in the pressing nip and about the ...
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WO/1982/001202A1 |
Procedure in the press section of a paper machine for changing a felt (20). The normal run of said felt (20) passes in a substantial part in spaces (K) under the floor level (T-T) of the paper machine hall. In said press section its lowe...
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WO/1980/002703A1 |
Dimensionally stable link-belt comprising a multiplicity of helical coils (11) arranged in interdigitated side-by-side disposition and connected together by respective hinge wires (12) threaded therethrough, and also a method for produci...
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WO/1980/001086A1 |
Base fabric for use in producing a press felt on the batt-on-base type for a papermaking machine wherein a layer (11) of multifilament tow (12) is provided as an integral part of the base fabric and at that face thereof to which the batt...
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WO/1979/000312A1 |
A high-elasticity dewatering felt for use in e.g. papermaking and cellulose machines wherein the elastic properties of the felt are obtained by admixture thereinto of high-molecular thermoplastic elastomer materials, alternatively high-m...
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JP7458393B2 |
The present invention relates to a method for dewatering a web comprising microfibrillated cellulose, wherein the method comprises the steps of: providing a suspension comprising between 50 weight-% to 100 weight-% of microfibrillated ce...
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JP2024037736A |
An object of the present invention is to provide an estimation device, an estimation system, an estimation program, and an estimation method that can quantitatively estimate the occurrence of trouble in a water system and the quality of ...
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JP2024036744A |
[Problem] To provide a papermaking felt base fabric including a spiral base fabric layer that has improved strength and air permeability and suppresses the generation of wrinkles at the seam portion at the widthwise end of a narrow base ...
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JP7426304B2 |
To suppress occurrence of interference fringes that cause poor dehydration and deterioration of a surface property in a papermaking felt having two base fabrics, one of which is a spiral base fabric.A felt 1 for paper making comprises a ...
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JP2024012426A |
The present invention provides a forming cloth that facilitates paper forming. The formed fabric includes a series of repeating units, each of the repeating units being a set of bonded warps including a first set of bonded warps and a se...
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JP2024501515A |
An endlessly woven dryer fabric for a paper machine comprises a plurality of upper warp threads, a plurality of lower warp threads, and a plurality of weft threads interwoven with said plurality of upper and lower warp threads in a serie...
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JP7412148B2 |
To improve the durability of the effect of an antifouling resin film coated on a surface of an industrial belt.An industrial belt (dryer canvas 1 for papermaking) comprises a belt body (canvas body 10) made of synthetic fiber, and an ant...
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JP2024000980A |
A belt for a fiber web machine is provided. [Solution] The present invention relates to a belt for a textile web machine, the belt having an inner surface (10) and an outer surface (11), the outer surface (11) of the belt (1) having a le...
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JP2023183602A |
To provide a seam felt for paper making allowing a core wire to be easily inserted into loops.A seam felt for paper making 1 has a felt body 2 with loops on both ends in a length direction, a pair of temporary connectors 3 used to engage...
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JP2023183611A |
To provide a seam felt for paper making allowing a core wire to be easily inserted into loops by engaging the loops with each other.A seam felt for paper making 1 has a felt body 2 with loops on both ends in a length direction and a pair...
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