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WO/1999/015731A1 |
The present invention relates to a method and assembly for controlling the behaviour of particulate matter such as mist and dust occurring in the manufacture of paper and board. In the method, a web (1) is passed to web treatment equipme...
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WO/1999/014427A1 |
In a method at the end of the drying section of a paper machine, drying cylinders (1, 2) are arranged in two substantially horizontal cylinder rows, wherein the first drying cylinders (1) are placed substantially higher than the second d...
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WO/1999/012726A1 |
The invention concerns a caring doctor blade for a paper/board machine, which blade comprises layers of fibreglass and carbon fibre and a caring layer as a rigid laminated structure, which caring layer comprises carbon fibres and grindin...
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WO/1999/011862A1 |
The invention relates to a calender arrangement with end rollers configured as curl adjustment cylinders with an inner lifting system. One of the end rollers includes at least one stop element (20), which is configured as a hydraulic hyd...
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WO/1999/010136A1 |
The invention is a system and method for calibrating a robotics system. The invention measures the actual performance of the robotics system when positioning objects at several calibration positions within an operational area. The invent...
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WO/1999/010596A1 |
A dryer section of a paper machine which is provided with at least one intermediate calendering nip and includes several successively arranged wire groups. The dryer section primarily or exclusively has groups with single-wire draw in wh...
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WO/1999/009330A1 |
A controlled deflection roll for a papermaking machine. The roll (10) comprises a roll shaft (14) having a longitudinal axis (18), a roll shell (22) surrounding the shaft, and a bearing pad assembly (50) supported on the shaft to support...
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WO/1999/005359A1 |
A non-self loading controlled deflection roll (10) for a papermaking machine having a machine direction and a cross-machine direction, the roll including a shaft support member (30), first and second shell support members (38, 40), a rol...
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WO/1999/004091A1 |
The invention concerns a blade of a doctor for a roll in a line of manufacture of paper/board, which blade of a doctor comprises a polymer material and optionally a fibre reinforcement. By means of the blade of a doctor, doctoring and co...
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WO/1999/004090A1 |
The invention relates to a method and an apparatus for executing a grade change in a paper machine, in which method a grade change is executed by determining, in advance, target ramps for different process variables, which are ramped acc...
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WO/1999/004181A2 |
A vibration control apparatus (20, etc.) and method for a calender (18, etc.) for controlling vibration between two or more rolls (ex. 22, 24, etc.) which controls vibration induced thickness variations in a medium (27) exiting from the ...
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WO/1999/002940A1 |
The invention relates to a device for measuring cross-sections of specific properties of a continuous material web. Said device is characterized in that sensors for detecting measured values are connected to a measuring frame which cover...
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WO/1999/001612A1 |
The invention relates to a method for minimizing water use in a water circuit in a paper, cellulose or wood factory by adjusting the concentration of interfering substances. The inventive method is chiefly characterized in that the conce...
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WO/1999/000547A1 |
The invention relates to a control and/or regulating system for a machine used for producing a fiber web, in particular a paper and/or cardboard web. This system comprises several actuators (A1-A6), each associated to at least one final ...
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WO/1998/058182A1 |
The present invention comprises a method for producing a bending-resistant, elongated body (1), preferably a shaft or beam. The invention is characterized in that an elongated blank is produced having at least one cavity (2, 2a) extendin...
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WO/1998/058124A1 |
High bulk tissue webs are processed sequentially through separate calendering and embossing units to optimize the balance between sheet caliper for winding tension and embossing element height for pattern definition, resulting in embosse...
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WO/1998/056701A1 |
The invention relates to a device for transferring a threading strip or material strip in a machine used to produce and/or process said material web from a take-over area to a hand-over area along a web path. Said device is characterized...
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WO/1998/057070A1 |
The invention relates to a fabric strip pressure treatment cylinder, comprising a rotating hollow cylinder (1), a non-rotating crosshead (3) extending over the entire length of the cylinder leaving a circular space in relation to the int...
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WO/1998/056983A1 |
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 of drying cylinders in which, instead of...
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WO/1998/056984A1 |
A covered roll structure (10) employed in the manufacture of a paper machine roll (20) comprises a core roll having a substantially cylindrical outer surface, a sleeve (30) of removable material surrounding the core roll outer surface, a...
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WO/1998/054405A1 |
The invention concerns a thermoplastic-coated roll for a paper/board machine, a method for manufacture of the roll, a composition of a thermoplastic coating for the roll, a method of calendering by using rolls in accordance with the inve...
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WO/1998/054408A1 |
The invention concerns a method and an equipment in a paper/board machine for regulation of the difference of draw. In the solution in accordance with the invention, the difference of draw in the web (W) is regulated on the basis of the ...
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WO/1998/054407A1 |
The invention relates to a method in a paper machine in threading of paper web, in which method a narrower tail (T) is separated from the edge of the paper web and transferred to threading guiding means arranged in connection with the mo...
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WO/1998/054406A1 |
The invention relates to a method in threading of a paper web, in which a tail (T) separated from the edge of the paper web is transferred with threading guiding means arranged in connection with the mobile parts of a paper machine. Befo...
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WO/1998/053139A1 |
In a calender comprising at least a pair of rotatable parallel rolls (1, 2) and a mechanism capable of driving said rolls (1, 2) against each other, said mechanism comprises a magnet (5) generating a constant magnetic flux along the leng...
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WO/1998/053140A1 |
The invention concerns a composite blade (1) usable in particular in the paper industry, comprising a substrate (2) providing the main mechanical properties, an interface coating (3) deposited on at least part of at least one of the surf...
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WO/1998/051857A1 |
The invention concerns a method for controlling the curl of paper, in which method steam treatment and/or moistening of the paper web (W) and/or equivalent operations are employed in order to control the curl of the paper web (W). In the...
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WO/1998/050628A1 |
The invention concerns a method and an arrangement for computing and regulation of the distribution of linear load in a multi-nip calender. The material web (W) is passed through the nips (N�1?...N�9?) in the set of rolls (12), which...
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WO/1998/049394A1 |
The invention relates to a method for damping vibration in a paper machine or in a paper finishing device by means of a dynamic damper which comprises an additional weight suspended from a vibrating object by means of a spring. In the me...
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WO/1998/046826A1 |
The invention relates to a method, apparatus and the use thereof for monitoring the condition of a roll (1) in a paper machine by virtue of monitoring the surface (2) of the roll (1) with the help of at least one electronic camera (6, 7)...
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WO/1998/045534A1 |
The invention relates to a method and apparatus in the transfer of a web (W) from a press section (P) to a dryer section (K) in a paper machine/board machine. In the method, the web (W) is passed in the press section through one or more ...
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WO/1998/044191A1 |
The invention concerns a method in the dryer section of a paper or board machine for control of the curl of paper, in which method steam treatment and/or moistening of the paper web (W) is/are employed. In the method, the operations carr...
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WO/1998/044196A1 |
The invention concerns a calendering method, in which the paper or board web (W) is passed through the calender, in which calender the calendering nip (N) is formed between a heatable hard roll (11) and an endless, flexible and substanti...
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WO/1998/043815A1 |
The invention relates to a device for cutting off and conveying streaks, for a machine. The device is used for producing a continuous web, especially of paper or card, for a threading streak, and has a knife. Finally, the device is chara...
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WO/1998/044195A1 |
The invention concerns a calendering method, in which the material web (W) to be calendered, in particular a paper or board web, is passed through the calender, in which at least one calendering nip (N) is formed by means of two rolls (1...
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WO/1998/042992A1 |
The invention concerns a roll, in particular a variable-crown roll, comprising a frame beam (11), at each of whose ends there are axle journals (16), the revolving roll mantle (13) being mounted by means of bearings (15) on support of sa...
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WO/1998/041685A1 |
A regulation system and method in a paper machine for controlling the variation of the basis weight of a paper web in the machine direction in which the basis weight profile of the web is measured by means of a measurement device and a b...
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WO/1998/040556A1 |
A device in a measuring station (1) in a paper or cardboard machine for manufacturing a paper or cardboard web (2), said measuring station being situated between two work stations (3, 4) and comprising a scanner with two measuring heads ...
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WO/1998/039515A1 |
The invention concerns a web finishing section in a paper machine, which finishing section comprises at least a dryer section composed of one or several dryer groups (R�N?), a calender (20), and a reel-up (30). The calender (20) is pla...
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WO/1998/038381A1 |
The invention concerns an arrangement of equipment in connection with a variable-crown roll provided with loading shoes in view of prevention of foaming of fluid. The arrangement of equipment comprises a separate guide (13) and therein a...
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WO/1998/038383A1 |
The invention relates to a method for designing and/or visualizing at least one roll/felt pair in a paper or carton making machine press, wherein initially a press configuration is selected from quantities provided by a computer system t...
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WO/1998/038382A1 |
In the method for threading of paper in a calender a narrower tail (T) separated from a wide paper web is passed between superimposed calender rolls (1) of the calender. During threading, the nips (N) between the calender rolls (1) are k...
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WO/1998/036184A1 |
The invention relates to a glide bearing for a roll. The glide bearing comprises several hydrostatic bearing elements (10, 20, 30, 40) which are provided with bearing shoes (16, 26, 36, 41) fitted to be positioned around the neck of a ro...
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WO/1998/036183A2 |
The invention relates to a cylinder device comprising a bend-controlled cylinder with a peripheral hollow cylinder and a crosshead (13) longitudinally traversing the cylinder. The crosshead (13) bends when subjected to a load. The ends (...
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WO/1998/036185A1 |
The invention concerns a bearing control system for a roll with hydrostatic bearings, which roll is mounted from its axle (3) on a bearing block or on an equivalent frame member by means of a number of hydraulically loaded hydrostatic be...
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WO/1998/035093A2 |
A method of predicting the dry stock weight of paper that is produced by a papermaking machine based on simultaneousness measurements of (1) the water content of the paper stock on the fabric or wire of the papermaking machine and of (2)...
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WO/1998/033974A1 |
The invention concerns a method and an equipment in the forming of a lead-in strip (A) in a paper/board machine. In the method, two cutters (C�1?, C�2?) are used, of which at least one cutter (C�2?), which is brought into connectio...
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WO/1998/033976A1 |
The invention concerns a machine for the continuous production of crepe paper, comprising a drying cylinder (12), a blade (20), and a reel winder (24), the paper sheet after dying being unstuck from the cylinder with a blade and wound on...
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WO/1998/032918A1 |
A dryer section employs top-felted and bottom-felted dryer sections, each comprised of a single steam-heated drying cylinder with a diameter of about 12 feet. The web is transferred between drying cylinders by a two vacuum roll transfer ...
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WO/1998/032916A1 |
Method of controlling cross-direction property profiles of a paper web (5). The method employs a control system (150) for regulating a headbox (3) or headboxes (3a, 3b) of a paper machine. Said property profile or profiles is/are measure...
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