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| Number | Title | Issue Date |
| 8080134 | Apparatus for making a composite blind slat An apparatus for making blind slats includes: a feeding unit adapted to feed a pulp fiber web; an impregnation tank containing an impregnating liquid for impregnating the pulp fiber web; a conveying roller assembly disposed within said impregnation tank for immersin... | 12/20/2011 |
| 8066850 | Apparatus to produce coated paper, cardboard or other fibrous webs with at least one thermo-sensitive layer and a method to operate an apparatus of this type The invention relates to an apparatus to produce coated paper, cardboard or other fibrous webs with at least one thermo-sensitive layer as a functional layer through the application of at least one liquid or paste-like thermo-sensitive coating medium onto a carrier ... | 11/29/2011 |
| 8007639 | System for producing an article made of tissue paper or the like comprising a superabsorbent material A method for producing an article made of a web material, comprising at least one ply, wherein a superabsorbent material in powder form is associated with said ply. ... | 08/30/2011 |
| 7837835 | On-machine coater The present invention simplifies the equipment in an on-machine coater in which a size press and a post-metering style of coater are alternatively used. In an on-machine coater including a size press 3, an air turn 4 arranged diagonally downward on the... | 11/23/2010 |
| 7699960 | Processes and apparatus for producing cast coated papers Methods for producing cast-coated papers showing a reduced level of curling and reduced curling or wavy deformation caused by moisture absorption or other reasons as well as showing a high surface quality in the cast-coated surface. The steps for producing cast-coat... | 04/20/2010 |
| 7540941 | Method and apparatus in the surface sizing of a paper or board web An applicator device (1) applies surface size to at least one side of a web (W). A pressure effect is applied to the web (W) by subjecting the web (W) to an underpressure and/or to an overpressure such that surface size is forced to penetrate into the pores o... | 06/02/2009 |
| 7531064 | Machine for the production/processing of a material web and damping device Machine for the production/processing of a material web, in particular a fibrous web, for example of paper or board, which comprises at least one treatment section in which the material web can have a treatment fluid applied to it, the treatment section being connec... | 05/12/2009 |
| 7422659 | Method and apparatus for treating a web of paper or board A method and an arrangement for treating a web (2) of paper or board is described, in which a functional coating (5) is applied to the web (2) and the web (2) is then calendered. It is wished to obtain a web provided with a functio... | 09/09/2008 |
| 7399381 | Machine for producing and treating a sheet of material A machine for producing and treating a web of material including a material web forming device, a dewatering and drying section, at least one application apparatus, a drying device and a processing device. The material web forming device forms a material web continu... | 07/15/2008 |
| 7390557 | Method for coating a web of paper or paperboard and a coated paper grade A method for manufacturing a web of paper and paperboard, in which method a spray-coating technique is used for applying a web treatment substance to at least one surface of a moving web. The qualities of the web treatment substance are selected such that at least t... | 06/24/2008 |
| 7377999 | Arrangement in the on-line finishing of the paper machine An arrangement in the on-line finishing of a paper machine, which includes at least one finishing stage (12, 13) for the paper web produced, has cutting equipment (16) for forming the tail as well as tail threading equipment (15) for carrying th... | 05/27/2008 |
| 7303634 | Method and apparatus for feeding a treating agent onto a moving surface The apparatus has a feed apparatus (10) and an evening-out apparatus (100) placed underneath the feed apparatus. The feed apparatus (10) has a feed chamber (12) with an inlet opening (13a), an outlet opening (13b | 12/04/2007 |
| 7175739 | Method for incorporating feature substances into a paper web A method and apparatus for incorporating feature substances into a still moist but already sufficiently consolidated paper web provides for directing a feature substance suspension onto the surface of the paper web as a laminar jet with low jet pressure. A special p... | 02/13/2007 |
| 7169260 | Precalendering method, finishing method and apparatus for implementing the methods A paper or paperboard web (W) is precalendered. 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 that the absorption level of the second side... | 01/30/2007 |
| 7056421 | Underflow waterbox The specification discloses a waterbox for applying an aqueous mixture, such as a starch mixture, to a web in a calender stack. The waterbox includes a spillway disposed adjacent a calender stack having a bottom plate, substantially parallel front and rear walls, an... | 06/06/2006 |
| 7045036 | Method and apparatus for producing sized paper of board A method and assembly is disclosed for manufacturing a sized web of paper or paperboard, the method comprising the steps of first forming the web at a headbox (1) from a stock comprising at least water and fiber, then pressing the web for water drainage, and ... | 05/16/2006 |
| 7037566 | Static of COF differential poly film ream wrap A solid plastic film wrapper with a Static Coefficient of Friction (Static COF) differential used for packaging paper products, and a method for producing the same. ... | 05/02/2006 |
| 6989076 | Method for manufacturing release paper In the method, a release layer is formed on base paper to manufacture release paper. The base paper is calendered before forming the release layer in-line on the same production line. A further object of the invention is equipment for manufacturing release paper, wh... | 01/24/2006 |
| 6936138 | Apparatus for incorporating feature substances into a paper web A method and apparatus for incorporating feature substances into a still moist but already sufficiently consolidated paper web provides for directing a feature substance suspension onto the surface of the paper web as a laminar jet with low jet pressure. A special p... | 08/30/2005 |
| 6843200 | Method and device in a paper machine, coating machine, intermediate winder, unwind stand of a slitter-winder, or in any other device for treatment of a web The invention concerns a method and a device in a paper machine, coating machine, intermediate winder, unwind stand of a slitter-winder, or in any other device for treatment of a web. In the event of disturbance, the web (P) is made to be wound in a controlled way a... | 01/18/2005 |
| 6805965 | Method for the application of hydrophobic chemicals to tissue webs A method is disclosed for topical application of compositions containing a chemical additive onto a paper web. The present invention is also directed to paper products formed from the method. In general, the method includes the steps of extruding a composition conta... | 10/19/2004 |
| 6733632 | Process and apparatus for the on-line calendering of SC-A paper A process and an apparatus for the manufacture of SC-A paper having a high gloss and high smoothness, wherein the paper arriving from the paper machine is supplied on-line to a supercalender (multinip soft calendar), and wherein the paper travels through a plurality... | 05/11/2004 |
| 6630229 | Electrophotographic recording medium and method A recording medium particularly suitable for electrophotographic copying is characterized by coated paper that for a given basis weight has proportionally less coating and proportionally more fiber than conventional coated paper made for electrophotograph... | 10/07/2003 |
| 6599395 | Method and apparatus to produce paper webs coated on both sides A method of producing paper webs coated on both sides includes the following steps: a) indirectly applying a liquid onto the paper web by passing the web through at least one nip formed by a roll and a counterelement, whereafter the web is dried; b) next,... | 07/29/2003 |
| 6569288 | Method for manufacturing surface-treated printing paper In the method for manufacturing surface-treated printing paper, a paper web is first dried down to a target moisture of the surface treatment, and it is wetted again to the target moisture before the surface treatment. The rewetting to the target moisture... | 05/27/2003 |
| 6451168 | Method and apparatus for making patterned paper A method and apparatus for making patterned paper. A printer patterning the paper is arranged in a patterning unit arranged in a paper machine, the printer patterning a paper web being made in the paper machine. The printer is preferably an ink-jet printe... | 09/17/2002 |
| 6444090 | Process and device for spraying a moving fibrous web Process and apparatus for spraying a moving fibrous web with at least one jet. The process includes feeding a controlled volume flow of a spray agent to the at least one jet through at least one pulsing valve, and damping and reducing pulses occurring in ... | 09/03/2002 |
| 6440271 | Method and apparatus in moistening of a web In the method in moistening of a web, water is applied with a wetting device (2) in a predetermined point on the surface of a paper web (W) or the like passing by the point, and the web is thereafter passed to a calender (C). The liquid is applied at such... | 08/27/2002 |
| 6413371 | Method for manufacture of paper and a paper machine The invention concerns a method for manufacture of paper, most appropriately for porous paper for color powder printing. In the method paper is manufactured by means of a paper machine. In the method the paper stock is fed out of the headbox (100) into th... | 07/02/2002 |
| 6299728 | Multi-ply paper A multi-ply paper includes a fiber material base layer, which is unbleached or made of wastepaper, and a top layer. Instead of a conventional "white" fiber material top layer, the top layer is in the form of a white or colored top coating.... | 10/09/2001 |
| 6284097 | Method and apparatus to produce paper webs coated on both sides A method of producing paper webs coated on both sides includes the following steps: a) indirectly applying a liquid onto the paper web by passing the web through at least one nip formed by a roll and a counterelement, whereafter the web is dried; b) next,... | 09/04/2001 |
| 6280576 | After-dryer in a paper machine A method and arrangement for drying a paper to be surface-treated, in particular fine paper, in an after-dryer in a paper machine. The paper web is first dried in a forward dryer section of the paper machine by one or more groups with single-wire draw tha... | 08/28/2001 |
| 6270577 | Apparatus for producing coated base products An apparatus for applying a high solids coating to a surface of a base product is provided. The apparatus includes a rotatable coating roll that opposes a feeding roll. The rolls combine to define a nip portion through which a base product is passed. A cl... | 08/07/2001 |
| 6258212 | Device and process for application of a medium onto a material web Device and process for applying a liquid or paste-like medium onto a traveling material web of paper or cardboard. In the application of the application medium, the material web is transferred from a first twin wire zone to a second twin wire zone. The se... | 07/10/2001 |
| 6251226 | Apparatus for manufacturing papers with watermarks or patterns An apparatus for obtaining watermarks or patterns in paper or cardboard while being formed on a formation tape or table in a paper or cardboard manufacturing plant, comprising: a primary fibrous mix source for storing a primary fibrous mix; at least one manifo... | 06/26/2001 |
| 6200426 | Paper machine with a controllable electro-magnetic clutch A paper-making machine or an off-line coater includes a rotatable drive unit and a rotatable driven element in the form of a roll, cylinder, pulley and/or gear. A clutch includes a rotatable input shaft coupled with the rotatable drive unit. At least one ... | 03/13/2001 |
| 6187142 | Process and device for acting on a paper or cardboard web with one of a fluid and pasty coating medium Process and device for acting on one of a still-wet and moist material web with one of a fluid and pasty coating medium in the manufacturing process. The process includes producing the material web in a wet section of a web producing machine, applying, in... | 02/13/2001 |
| 6174369 | Device for impregnation of webs of porous materials A device for impregnation of webs of porous materials with a liquid impregnating medium under increased pressure comprises a roller rotatable about a horizontal axis, a trough arranged so that the roller is partially inserted in the trough to form a chamb... | 01/16/2001 |
| 6126787 | Dry end of a paper machine A method for producing surface-treated paper, in particular of fine paper, and a dry end of a paper machine that makes use of the method. A paper web that has been dewatered by pressing is dried in the forward dryer section, in which drying energy is appl... | 10/03/2000 |
| 5997692 | Profiling wet end starch applicator A system for applying a suspension of uncooked starch particles in water to a web on a forming wire includes a source of such suspension and a source of dilution water, an application die positioned transversely of the web with an internal manifold openin... | 12/07/1999 |
