Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 751 - 800 out of 2,276

Document Document Title
WO/2002/029159
The invention relates to a method and calender arrangement for calendering a material web (W), especially a paper or board web, in a long-nip calender, in which the backing roll (11) of the long-nip roll (15) is a heated, chilled-surface...  
WO/2002/029156
The invention relates to a method for minimizing tension variation in a paper web induced by drying of the web in a paper machine. Tension variations in the paper web are caused by successive draws and moisture fluctuations. Good strengt...  
WO/2002/029267
The invention relates to a method and device for dividing local thermal loads equally in a rotating, liquid-containing roll (1) of a paper/board or finishing/converting machine. The device relating to the invention is characterised in th...  
WO/2002/025009
A method of manufacturing newsprint for offset print having no difference between the front and rear surfaces thereof and providing an excellent workability of printing by optimizing press conditions in a paper-making process and soft ca...  
WO/2002/022951
The invention relates to an arrangement for the web threading of a multi-roll calender (1) of a paper/board or finishing/converting machine, which calender (1) comprises a number of rolls (2, 3) formed into a roll stack, and a number of ...  
WO/2002/022950
The present publication discloses a method for controlling the deflection and/or position of a deflection-compensated doctor blade support beam relative to web such as a paper or paper-board web. The invention is based on dividing the mo...  
WO/2002/022949
The invention relates to a method for controlling a property of a paper web in the cross-web direction to be calendered by means of a calender comprising at least one adjustable profiling means. The method comprises the determination of ...  
WO/2002/020901
The invention relates to a method and equipment for cleaning rolls of a paper machine or board machine. In the method, the surface of a web is monitored and the soiled part of the surface of the roll is detected and localized by means of...  
WO/2002/020237
A mixture liquid of a liquid polymer material and a granular filler is injected into a mold (1) for centrifugal molding, and a cylindrical body including a homogeneous dispersion layer (2) in which the filler is homogeneously dispersed i...  
WO/2002/018806
Gas bearing for use in rolls (1) and rollers having a shaft (2) and a rotating envelope part (3) supported by bearings on the shaft, said bearing comprising an inner part fitted to the shaft (2) and an outer part fitted to the envelope (...  
WO/2002/016694
The invention relates to a method for controlling a surface quality variable (300) in one or more fibre webs (3) in a shoe calender (1) comprising one or more calender nips. In each calender nip of the shoe calender, the overall loading ...  
WO/2002/016692
The invention relates to a method for monitoring thermo-mechanical defibration processes, according to which the concentrations of the groups of substances contained in the production water, having different ratios of polar and non-polar...  
WO/2002/006584
Calender has a supporting frame and a set of rolls attached to vertical portions of the supporting frame so as to form a stack of rolls in which adjacent rolls placed one above another form calendering nips therebetween. The stack includ...  
WO/2002/004743
The invention concerns a method for calendering tissue paper. In the method, the tissue paper is calendered in at least one calendering nip. The tissue paper is calendered in at least one soft, long calendering nip.  
WO/2002/000998
In the method for precalendering a paper or paperboard web (W) a web that has undergone earlier dewatering stages is calendered to attain a suitable surface for the coating process. The web is calendered (C) one-sidedly in such a manner ...  
WO/2002/000539
A reel shaft (1, 9, 17, 20, 23) for reeling a paper web (40) in a reel-up, which reel-up includes at least one unit (51, 52) that is mobile in the longitudinal direction of the paper machine and supports a pair of opposite engagement mem...  
WO/2001/098581
A method and a regulation arrangement for controlling the dewatering profile in a former of a paper or board machine, which former comprises two forming wire loops (50, 60) having dewatering elements (52, 53, 64, 65) placed inside them, ...  
WO/2001/098586
The invention relates to a safety device for the cleaning, service and maintenance of a paper machine. The safety device comprises a room (1) between the structures of the paper machine and fitting at least one person, the room consistin...  
WO/2001/098428
An adhesive for resin roll assembly which is to be used in such a manner that the adhesive is injected into the space between a cylindrical object made of a resin and either a roll core or a fiber-reinforced underlayer formed by winding ...  
WO/2001/098585
In the calendering method especially for precalendering, a paper web (W) is guided through a calendering nip (N) formed between two surfaces, wherein in the nip heat is conducted on the surface of the web to be calendered and pressure is...  
WO/2001/096660
The CD profile of a web of material being produced is monitored and controlled to update CD control settings on-line so that changes in the operation of a machine manufacturing the web can be corrected before significant profile deviatio...  
WO/2001/096659
The invention relates to cleaning arrangement and method for cleaning the roll mantle of a paper/board or finishing/converting machine equipped with a doctor blade apparatus (2). The doctor blade apparatus comprises a beam part (3) paral...  
WO/2001/094696
The invention relates to a method for profiling a paper web in a multiroll calender which includes: at least an upper set of rolls having at least one calendering nip which profiles the paper web on one side; at least one lower set of ro...  
WO/2001/094694
A method and a system for passing a paper web (w) from the press section (10) to the drying section in a paper machine. The drying section has at least one transfer suction roll (16) for passing the web in a closed draw from the transpor...  
WO/2001/094695
The invention relates to a method for replacing a roll in a calender. The calender comprises at least one calendering nip (N) which has been formed between two calender rolls (11, 12) and through which nip (N) a web (W) that is calendere...  
WO/2001/088259
A soft crepe paper machine comprising a wet section (1) with a press section having a press (11) with first and second press elements (12, 13), forming a press nip, through which a press felt (14) runs, a suction roll (16) being arranged...  
WO/2001/086781
A roll drive for moving rolls, the drive comprising a roll (1) connected to a moving structure (3), and a motor (2) arranged to rotate the roll and comprising a stator and a rotor. The motor of the roll drive is an axial flux motor (2) w...  
WO/2001/086065
A calender (24) having a heated first roll (28) which is opposed to and forms a nip (36) with a soft surface counter roll system (34) comprised of a second roll (41) which has an outer shell (40). An endless polyurethane belt (38) or bla...  
WO/2001/086780
A roll drive wherein a motor is directly fixed to a roll, particularly in connection with rolls of a drying group of a paper machine. The roll drive comprises an axial flux motor (1) comprising a hollow rotor shaft (2) fixed to a shaft (...  
WO/2001/083883
In the method, a long nip (N) shoe calender formed of a shoe roll (10) and a thermo roll (20) is used. In calendering, a nip dwell time which is over 10 ms, advantageously over 20 ms, a nip pressure which is below 3 MPa, advantageously b...  
WO/2001/083884
The invention relates to a belt calender, comprising a first roll (11), a second roll (13; 15), and a belt loop therebetween, comprising an incompressible metal belt (12) pressed by the second roll (13; 15) against the first roll (11) to...  
WO/2001/075225
The invention relates to a method for preventing the damaging of a polymer-coated belt (11, 10) that forms a counter surface of a nip (N2, N3) in a calender. The polymer-coated belt (10,11) is moved in the transverse direction of the web...  
WO/2001/075224
A method and an arrangement for controlling evaporation and moisture in a multinip calender (10) when a continuous fibrous web (W) is calendered in calendering nips (1, 2, 3, 4, 5) placed one after the other before the fibrous web is wou...  
WO/2001/075226
The invention relates to a method and an arrangement for controlling cross machine properties. A high resolution profile of a property is measured by measuring N points in the cross direction at two instants. A high resolution error prof...  
WO/2001/075222
The invention concerns a method for monitoring and analyzing a paper manufacturing process, in which method a large number of quantities (x¿i?, t) are measured from the process, the measured quantities (x¿i?, t) are entered as an input...  
WO/2001/075223
The objects of this invention are a method and a calender for calendering web-like material (3). The web (3) is brought to the calender comprising at least two rolls (1, 2) arranged in nip contact, at least one roll being a thermo roll (...  
WO/2001/073196
The temperature of a polymer-coated calender roll (1) is arranged to remain substantially constant. The temperature of the roll (1) is arranged to remain constant by means of a phase change in the medium inside the roll.  
WO/2001/073198
Headbox transient response for sheet weight and moisture are modeled as a combination of two sets of time constants and dead time delays. One set represents a shorter delay with faster response dynamics, the fast mode weight and moisture...  
WO/2001/073306
The invention relates to a method for reducing the temperature difference ($g(D)T) between the border portion (8; 8b) of the polymer surface on a roll and the border area (8; 8a) of its central portion by blowing gas onto the roll surfac...  
WO/2001/073197
The object of the invention is an on-line method and an arrangement for regulating the thickness of the web in the set of rolls of a paper or board machine. The method is characterized in that the thickness of the web is measured in the ...  
WO/2001/071091
The present invention relates to a supercalender for calendering a paper web and a calendering arrangement for producing mat-quality paper web. The multiple-nip calender of the invention is characterized in that at least one of the calen...  
WO/2001/068977
A machine for manufacturing a paper or cardboard web (1) comprises a press section (5) with first, second and third presses (52, 60, 63), which each have first and second press elements (53, 54; 61, 62; 64, 65), in which the first press ...  
WO/2001/068979
A thermoroll (1) to be used in the treatment of paper or the like, especially a thermoroll of a calender, which comprises a glide shoe (5) inside a thin, flexible shell (2), which shoe is arranged to touch said shell (2). A nip (N) forme...  
WO/2001/068976
The present invention concerns a method for trimming of a continuous web, such as paper web. As taught by the invention, in order to make the reeling of the web possible, the trim is trimmed intermittently from the web.  
WO/2001/068978
The calender (1) according to the invention comprises at least a calender frame (2), and at least one roll assembly composed of at least three superimposed rolls (3a, 3b, 3c; 4a, 4b, 4c) comprising axles (7a, 7b, 7c; 8a, 8b, 8c). At leas...  
WO/2001/067022
The invention concerns a heat exchange drum, in particular for cooling sheet products, comprising a plurality of elementary channels (24) extending in the longitudinal direction inside the annular space between two stainless steel shells...  
WO/2001/066857
A method for treating a moving surface, such as a rotating roller (11) or a moving belt (42), according to which method surface treatment elements (12), such as metallic brushes (12), are pressed against the surface to clean and smooth i...  
WO/2001/065006
The invention relates to a method for conveying a tail, in which a tail (T) separated from a paper web is passed for a fixed distance along a moving belt conveyor (4) in the longitudinal direction of a machine conveying the paper web by ...  
WO/2001/065005
The invention relates to a method and arrangement for processing a wide paper or board web in connection with such a manufacturing method, in which a wide base web (14) is manufactured and the base web is processed in at least one proces...  
WO/2001/063047
The calender contains two permanently or provisionally separate stacks (A, B) of three rolls. In each stack there is an upper roll (1; 4) and a lower roll (3; 6) upper roll (4), and a centre roll (2; 5) in nip contact with the upper roll...  

Matches 751 - 800 out of 2,276