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JP2002500706A |
The invention concerns 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 is regulated on the basis of the measured tension ...
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JP2002500292A |
The present invention concerns a method for treating the surface of a fibrous web by mechanical grinding. According to the invention, the grinding is performed at substantially dry state by removing only the higher parts of the paper sur...
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JP3243511B2 |
To carefully control the creping conditions when creping off a paper web (1) by means of a doctor blade (5) from the cylinder surface (2) of a Yankee dryer (3), a first sensor (82;85) is provided for measuring on-machine a value of the c...
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JP3243422B2 |
To improve the preparation process applying printing to a processed sheet especially in the case of the processing and printing of a sheet composed of paper. A moving sheet 3 is processed by coating and/or calendering finish and continuo...
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JP2001526747A |
The invention relates to a vertical calendar arrangement, comprising a bend-controlled upper roller (12) and a bend-controlled lower roller (20) as well as intermediate rollers (14, 16, 18) located between them. The upper roller (12) and...
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JP2001525502A |
The invention concerns a roll of low-weight construction for a paper or board machine or for a paper or board finishing device. The roll frame of the roll (10) comprises a cylindrical mantle (11) with thin walls and a core part (12), whi...
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JP3234229B2 |
PCT No. PCT/DE96/00702 Sec. 371 Date Dec. 16, 1997 Sec. 102(e) Date Dec. 16, 1997 PCT Filed Apr. 23, 1996 PCT Pub. No. WO97/00384 PCT Pub. Date Jan. 3, 1997A roller with controllable sag is provided with a revolving hollow roller and a n...
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JP2001335205A |
To surely guide a web traveling in a curved traveling passage by blown-off air to efficiently process the same in a double-faced floater-type dryer, a double-face floater-type cooler and a double-faced floater-type humidifier.In this dou...
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JP2001523595A |
A method of joining together at least two paper sheets (1, 2). The method comprises the steps of moistening each paper sheet (1, 2) with a determined amount of water within the region of the intended join (9); placing the paper sheets to...
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JP2001524199A |
A covered roll structure employed in the manufacture of a paper machine roll comprises a core roll having a substantially cylindrical outer surface, a sleeve of removable material surrounding the core roll outer surface, a sleeve of comp...
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JP2001523775A |
A method and apparatus for producing calendered paper by an on-line manufacturing system comprising at least a paper machine and a multi-nip calender. The method comprises following steps: removing water from a formed paper web by pressi...
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JP3229334B2 |
A dust and fiber control device for paper making apparatus is described. The device includes a wall in conjunction with a feed spout for providing a water curtain. The water curtain serves to capture and remove air suspended dust and fib...
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JP3230817B2 |
A system for measuring the dynamic pressure distribution between rolls in a nip roll press comprises a roll adapted to rotatingly contact at least one other roll in a press nip, having one or more sensors thereon, for measuring the nip p...
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JP2001316996A |
To provide a calendering treatment apparatus capable of alleviating the restriction of working condition for speeding-up of operation speed of paper making machine, controlling reduction in life of the apparatus and suppressing an increa...
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JP3225314B2 |
A calender employs an open-stack like arrangement with a single vertical beam or support column on each end of the calender. In combination with the support beam, a special swing link is used to support tension loads on the open side of ...
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JP2001303471A |
To prevent the damage caused by the direct contact of a cell with a shoe for pressurization in a flexion-controlled roll. The flexion of the cell in the axis direction is controlled by pressurizing the cell from the inside by a static pr...
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JP2001303487A |
To obtain a coated paper for gravure printing, producible in an excellent coated state, providing excellent gravure printing suitability while controlling occurrence of coating defects such as streaking, scratch, bleeding, etc., in a hig...
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JP3220167B2 |
PCT No. PCT/DE97/01402 Sec. 371 Date May 4, 1999 Sec. 102(e) Date May 4, 1999 PCT Filed Jul. 3, 1997 PCT Pub. No. WO98/06951 PCT Pub. Date Feb. 19, 1998A calender which includes a deflection-controlled roller with a rotating hollow cylin...
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JP2001289591A |
To provide a device which prevents the outflow of an additional heat transfer medium to the circumference of a heater after an accident. In a heat exchanger of rotation symmetry, especially, a heat roll capable of rotation drive whose te...
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JP3213689B2 |
To provide a rotary drum device for heating or cooling whose outer peripheral surface can be heated or cooled to the temp. uniformly as much as possible at profitable cost. In this rotary drum device 30 by which a prescribed material is ...
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JP2001516403A |
Regulation 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 basis weight r...
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JP2001254288A |
To provide a doctor apparatus capable of readily taking out a blade holder.This doctor apparatus 1 comprises a roll R, a blade 3 to be freely brought into contact with and separated from the roll 3, a blade holder 4 for retaining the bla...
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JP2001254297A |
To provide a composite braid having simple structure and easiness to use.This composite braid is characterized in that a holding member is composed of a profiling 16 extended as a united extended part in the transverse direction of a bra...
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JP2001248631A |
To reduce nit error of a roll preferable for pressurizing treatment of a web type medium or used in heat treatment.A roll assembly is provided with at least two rolls, and warping of the roll is compensated by a mechanically operating co...
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JP2001514343A |
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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JP2001247240A |
To provide a take-up reel drive control system that is safe and can improve productivity.In delivering paper unrolled from an unwinder through a plurality of calender rollers and a master drum and entraining it about a reel drum under ni...
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JP3206108B2 |
PURPOSE: To facilitate and accelerate the exchange work of a calender roll and improve the safety of the work. CONSTITUTION: The roll clamp device 37 provided on a roll-exchange frame 19 traveling and moving upward or downward between a ...
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JP2001512539A |
The invention concerns a calender provided with an extended nip for calendering of a paper or board web. The calender comprises at least one calendering nip (N), which is formed between a heatable hard roll (1) and a calendering belt (10...
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JP3200647B2 |
To solve problems of abnormal wear of chromium plating at roll both ends impairing life of a metalling roll of a gate roll coater for woodfree paper and of corrosion which frequently occurs in the metalling roll of the gate roll coater f...
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JP3197356B2 |
PURPOSE: To obtain a mat coated paper having balkiness and excellent in stiffness and having good printing ink receptivity by specifying the average particle diameter and the content of ground calcium carbonate in a pigment component of ...
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JP2001214395A |
To efficiently provide coated paper for printing especially having both of an excellent blank paper apparatus where blank paper glossiness, brightness and opacity are high and high printed glossiness, and also having an excellent type pa...
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JP2001200490A |
To carry out powerful cleaning by a small sized suction type cleaning apparatus including a blower capacity for a paper machine dryer. A suction duct 20 is arranged close to a doctor. The doctor 20 has a silt 22 which is faced to the doc...
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JP3190472B2 |
PURPOSE: To provide high smoothness to one side of raw paper for surface decorative material excellent in appearance by applying water to one side of paper, bringing the same side into contact with the first heated metallic roll, passing...
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JP3184225B2 |
PCT No. PCT/SE93/01012 Sec. 371 Date May 17, 1995 Sec. 102(e) Date May 17, 1995 PCT Filed Nov. 24, 1993 PCT Pub. No. WO94/12349 PCT Pub. Date Jun. 9, 1994Cleaning apparatus, and a method of utilization of the apparatus, cleans an object ...
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JP2001508839A |
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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JP2001508136A |
Method and apparatus for cleaning a moving surface, for example a roller, wire or conveyor belt. The surface is cleaned by a doctor blade having several separate blades which move in a direction transverse to the surface to be cleaned so...
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JP3177561B2 |
PURPOSE: To efficiently luster a paper web by wetting and preheating the paper web and then introducing it into a calendering nip to subject it to the calendering treatment at the temperature over a glass transition point of a polymer in...
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JP3174746B2 |
To provide a tube pressurizing type doctor device capable of avoiding unfavorable effects of entry of a liquid containing a scraped waste, etc., into the turning central shaft of a doctor blade and inhibition of the smooth turning, etc.,...
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JP3171966B2 |
PURPOSE: To produce base paper for a toilet sheet having bond strength, interlaminar strength and reproducibility of points of meshes of net. CONSTITUTION: Impregnated paper having 5-50wt.% resin content and 6-12wt.% water content is sub...
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JP3169695B2 |
PURPOSE: To produce a mat coated paper excellent in quality without transferring printed ink to a white paper part in a book making process after printing and without impairing balkiness by calender treatment. CONSTITUTION: Low-pressure ...
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JP2001506326A |
A method for detecting contamination on or damage to a web-contacting face in a paper machine or a paper finishing machine, including the steps of detecting vibrations of the web-contacting face over a period of time by means of a plural...
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JP2001505629A |
The invention relates to a method of and an apparatus for drying a fiber web, whereby the fiber web (5) is dried in a cylinder drying unit (12) and in a band drier unit (11). The cylinder drying unit (12) and the band drier unit (11) are...
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JP3157320B2 |
PURPOSE: To provide a method for producing a peat moss board suitable for use as an absorber core in structures for absorbing body exudate. CONSTITUTION: In a method for producing a peat moss board useful as a fluid absorbing element of ...
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JP2001098485A |
To improve bonding of a base fabric of a long nip press belt to a polymer resin coating film. This base material for coated belts is a long nip press belt equipped with a base support structure having threads coated with a polymer resin....
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JP2001073290A |
To provide a doctor for papermaking capable of scratching off and removing a raw material waste and a foreign matter attached to the surfaces of various rolls, a cylinder dryer, or the like, laid for dehydration under pressure, drying, t...
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JP3145121B2 |
A method for controlling transverse profiles of a web in a web-manufacturing machine, such as a board or paper machine, and/or being treated in a finishing machine. At least one of a transverse caliper, grammage and moisture profiles of ...
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JP3140571B2 |
PURPOSE: To provide an apparatus for the threading of a press part to enable easy and simple threading work of a press part even by an inexperienced person. CONSTITUTION: The apparatus for the threading of a press part of a paper machine...
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JP2001502648A |
A process for elimination of paper defects during continuous paper production which reduces time lost due to defect correction has the following steps: a) recognition and localization of the paper defect by means of sensors (5) directed ...
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JP3138878B2 |
PURPOSE: To obtain a sheet having uniform thickness in the directions of whole length and width by carrying out the feed-back control of the pressures of the middle part and both end parts of a roll based on the measured.data of the thic...
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JP2001048385A |
To provide a vacuum conveyer capable of use in a limited space and capable of reducing a tendency collecting a refuse particle in a conveyer belt and/or a suction box. This vacuum conveyer suited for guiding a paper web coming to flow pa...
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