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| Number | Title | Issue Date |
| 7427334 | Method and apparatus for encoding substrates with information The present invention provides methods and apparatus to encode substrates (e.g., paper, synthetics, etc.) with information. In one implementation a method is provided including: receiving data that corresponds to a two-dimensional signal that encodes plural bits of ... | 09/23/2008 |
| 7294239 | Method and an apparatus for manufacturing and drying a fiber web provided with a three-dimensional surface structure An apparatus for dewatering a fiber web in a paper machine includes a heated drying surface, a permeable fabric carrying the fiber web, and a condensing region adjacent a portion of the permeable fabric on a side opposite the fiber web. The fiber web is interposed b... | 11/13/2007 |
| 7291249 | Apparatus for the manufacture of a structured fiber web An apparatus for the manufacture of a structured fiber web including an imprinting fabric, a first pressure field device, a second pressure field device and a drying cylinder. The fiber web is formed and carried on the imprinting fabric with an initial dry content o... | 11/06/2007 |
| 7285180 | Perforated deck made out of a plurality of segments A cylindrical rotating thickening device including an axial core, a plurality of longitudinally extending spaced apart support ribs extending radially from the axial core, and a shell surrounding the support ribs and supported thereon. The shell includes a plurality... | 10/23/2007 |
| 7249472 | Device for treating textile or similar in a continuous stream The invention relates to a device for treating web-type textiles, nonwovens or paper in a continuous stream, uses a gaseous treatment agent that circulates in the device. The product lies on the exterior face of a permeable drum (5), which is subjected to an ... | 07/31/2007 |
| 7150826 | Filtering apparatus A liquid filtering apparatus for mounting in a housing and positioned to filter liquid flowing from an inlet (23) to a drain. A rotatable wheel is disposed within and coupled to a rotating screen so that rotation of the wheel causes rotation of the screen. Th... | 12/19/2006 |
| 7134388 | Calender for a sheet of paper A calender for a sheet of paper comprising a metal roll which is rotated by a first driving unit. The calender further comprises a rotatable cylindrical jacket, a pressurizing shoe, and a plurality of support members. The cylindrical jacket is disposed opposite the ... | 11/14/2006 |
| 7029555 | Diagonally joined cylindrical fabric and manufacturing method thereof A diagonally joined cylindrical fabric in the form of a cylindrical endless fabric is obtained by shifting ends of facing wefts of a non-endless fabric leftward or rightward and joining together the ends of the wefts to thereby form a joining portion inclined relati... | 04/18/2006 |
| 6464836 | Variable hydraulic pulse drainage cylinder former A cylinder former having a variable hydraulic pulse whilst drainage, for use in papermaking comprising a drainage means comprising a cylinder mould and a contoured member adjacent the cylinder mould having a plurality of hills and valleys which force entr... | 10/15/2002 |
| 6402894 | Sealing arrangement for pulp dewatering arrangement Arrangement 1 for washing and dewatering a fiber pulp suspension, which arrangement comprises two hollow, circular-cylindrical screen members 2a, 2b delimited by envelope surface and end walls. The screen members rotate towards each other to form a nip 10... | 06/11/2002 |
| 6303003 | Method and apparatus for drying a moist web A method and an apparatus for continuously drawing superheated vapor through a moist web as the same is being formed and pressed at a porous peripheral surface of a rotatable hollow cylinder, thereby allowing to have web drying in a compact apparatus perm... | 10/16/2001 |
| 6294050 | Drying end of a machine for the production of a material web and method of drying a material web Drying end of a machine for the production of a material web such as paper or cardboard. The drying end includes at least one impact flow drier configured to bombard at least one surface of the material web with hot air or hot steam impact flow. Also prov... | 09/25/2001 |
| 6284103 | Suction roll shell in a paper-making machine and method of manufacturing same A method of manufacturing a suction roll shell for use in a paper-making machine utilizes a mandrel with a length and a cross-sectional area corresponding to the shell. The mandrel has a plurality of generally radially extending holes. A plurality of pins... | 09/04/2001 |
| 6277245 | Dandy pan construction for reduced surface cracking A dandy pan for use with a dandy roll in the manufacturing of paper material. The construction of the dandy pan provides for reduced cracking in the surface of the dandy pan. The dandy pan includes a base portion and a top portion attached to the base por... | 08/21/2001 |
| 6203666 | Method and device for paper web manufacturing In the present invention, in a process in which a fiber suspension supplied in a flat layer manner is subjected to natural dehydration, pressure dehydration, or suction dehydration, while circulating a cylindrical suction cylinder, and thereby, dehydratio... | 03/20/2001 |
| 6190506 | Paper making apparatus having pressurized chamber Apparatus and method for forming a continuous web on a forming fabric includes providing a pressurized chamber, processing the forming fabric through the pressurized chamber, and distributing a pressurized flow of a slurry having a first composition in th... | 02/20/2001 |
| 5935386 | Suction roll box Suction box for a machine producing a web containing cellulose fibers, said suction box being placed inside a rotating suction roll (2) provided with a perforated jacket (1), said suction box (3) comprising a suction chamber (4) having a suction inlet (6)... | 08/10/1999 |
| 5804075 | Papermaking screen having first and second annular supports with immovable space holding and parallel elongated member extending there between A papermaking screen of the invention is formed of first and second annular supporting members having a plurality of first and second recesses, and space holding members fixed to the first and second annular supporting members to establish a predetermined... | 09/08/1998 |
| 5759354 | Paper machine including a hydraulic cylinder assembly with a non-metallic bushing The invention is directed to a paper machine for making or processing a paper web. The paper machine includes a roll for carrying the paper web; and a hydraulic cylinder assembly connected to the roll for moving the roll. The hydraulic cylinder assembly i... | 06/02/1998 |
| 5667642 | Pulp slurry-handling press roll and twin and single roll slurry handling presses A drum having a longitudinal axis, and an outer periphery, has a multiplicity of longitudinal, drainage grooves formed therein, and a cylindrical sheath encloses the drum, the sheath having a multiplicity of holes formed therein. The drum is imperforate. ... | 09/16/1997 |
| 5582728 | Pressure washer drum In prior pressure washer drums, the filter deck was supported on the central shaft by spokes welded to the central hub which was in turn welded to the shaft. The extreme forces caused premature failure of the welded joints. The present invention provides ... | 12/10/1996 |
| 5470471 | Anti-rewet deck for press rolls An anti rewet deck is provided for press rolls used to increase consistency of fibrous pulp slurry from approximately 4 percent up to about 30 to 50 percent. This is accomplished by biasing the location of the drainage holes in the roll shell to the forwa... | 11/28/1995 |
| 5466343 | Suction element for a paper machine A suction roll for a paper machine in which a stationary suction shoe is arranged inside a revolving mantle loop and is connected to a source of negative pressure. The mantle loop is a substantially water-receiving and permeable fabric-sock loop that rece... | 11/14/1995 |
| 5123152 | Yankee cylinder with a plasma-sprayed carbide coating The invention relates to a Yankee cylinder for a paper-making machine, in which a coating which is a mixture of a metal powder and a carbide or nitride and withstands well the wearing effect of the doctor blade and other corrosive and thermal stresses pro... | 06/23/1992 |
| 5100512 | Dandy roll having a twill weave wiremark and related method for papermaking Paper having an unique twill weave wiremark produced using a dandy roll in which the outer screen bears has a twill weave; the dandy roll and the papermaking process are also disclosed.... | 03/31/1992 |
| 4973385 | Vacuum water drawing cylinder for making paper This invention relates to a vacuum water drawing windlass for making paper and in particular to one mainly including a tubular member, a bushing fitted on each end of the tubular member, a controlling disc rigidly engaged with the other side of each bushi... | 11/27/1990 |
| 4915791 | Roll with blades rotatably mounted within it in the forming section of a paper machine The invention relates to a roll (8) for the forming section of a paper machine or the like, comprising a perforated shell (17) for removing water from a fibre suspension through holes (18) in the shell (17) into the roll (8) and being arranged to be mount... | 04/10/1990 |
| 4892656 | Vacuum filter with releasably clamped sealing strip A vacuum filter for the separation of solids from liquids, comprising an endlessly circulating array of troughs which constitute a common horizontal filter surface, on which an endless filter cloth is laid, in which each trough has an elastic sealing stri... | 01/09/1990 |
| 4876008 | Sieve plate The sieve plate herein is formed of plate or sheet material into which relatively wide grooves, having a flat bottom 4 mm wide, are formed on one side to within 1 mm of the opposite side. Through this remaining membrane wall openings are formed having a w... | 10/24/1989 |
| 4861433 | Dewatering press with perforated metal outer shell and resilient elastic mounting means A pulp dewatering apparatus is constructed of two press rolls arranged juxtaposed to define a nip region. At least one of the press rolls is constructed of a perforated metal outer shell surrounding a substantially rigid inner roll body. A layer of elasti... | 08/29/1989 |
| 4735686 | Twin-wire former and method for forming a paper web with steam implosion A method for forming a paper web by which web formation is improved and flocculation in the web is reduced includes the steps of feeding steam under pressure into the fiber suspension when the suspension enters into the gap of the former and as web format... | 04/05/1988 |
| 4683059 | Vacuum breaker valve-discharge elbow assembly for rotary drum filters A rotary drum filter of the pipe machine type has a stationary vacuum breaker valve-discharge elbow assembly at the discharge end of the drum which defines a streamlined, smoothly curving, and substantially unobstructed discharge flow passage with gradual... | 07/28/1987 |
| 4619737 | Roller for machines in the paper-making industry Roller for machines in the paper-making industry or similar, with a honeycomb-shaped roller element formed by upright straight and corrugated bands, extending approximately in the circumferential direction and alternating with each other in the axial dire... | 10/28/1986 |
| 4608171 | Adjustable mounting for valve-discharge elbow of rotary drum filters A vacuum breaker valve-discharge elbow assembly for a rotary drum filter of the pipe machine type is adjustably mounted to the drive gear housing for the filter via a separate mounting plate. A valve flange is secured to the mounting plate. The mounting p... | 08/26/1986 |
| 4608170 | Angularly adjustable breaker valve-discharge elbow for rotary drum filters A vacuum breaker valve-discharge elbow assembly for a rotary drum filter of the pipe machine type is adjustably mounted to the drive gear housing for the filter via a separate mounting plate. A valve flange comprising a separate clamping ring clamps the v... | 08/26/1986 |
| 4535230 | Variable profile roller particularly for the paper making industry The invention concerns variable contour rollers for use in calendering or pressing devices, printing presses and like applications. The rollers include an external element of cylindrical form, for example of cast iron, and in their interior a number of tr... | 08/13/1985 |
| 4374729 | Strainer drum for pulp and the like A strainer drum for straining pulp and the like comprises a substantially circular cylindrical mantle formed by a number of strainer elements provided with strainer openings, which strainer elements are held together between at least two gables to form th... | 02/22/1983 |
| 4240871 | Paper forming roll construction Paper forming roll comprising: a stationary pressure box; a rotatable foraminous shell extending around the box; paper making wire; spacing members extending between the box and shell, the spacing members being secured to the box; a plurality of circumfer... | 12/23/1980 |
| 4146428 | Suction roll for paper machines A suction roll, for a paper-making machine having a hollow cylindrical roll shell with a cylindrical inner surface from which a suction box draws water, has members inserted into the roll shell openings. The insert members are apertured with radially-exte... | 03/27/1979 |
| 4139412 | Multi-ply continuous paper web former A foraminous multi-zone wire mesh covered suction roll useful in a papermaking machine and in a multi-cylinder paper-making machine wherein the roll is divided into at least four discrete zones by generally radial divider elements and wherein at least a f... | 02/13/1979 |
