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Class 162/208 - Treatment of slurry on mold surface


Subclass of Class 162 - Paper making and fiber liberation
Definition: Processes in which the slurry on the foraminous mold surface
No. of patents: 54
Last issue date: 04/24/2012


1    
NumberTitleIssue Date
8163136Energy saving papermaking forming apparatus system, and method for lowering consistency of fiber suspension
The present invention is directed to an apparatus used in the formation of paper. More specifically the present invention is directed to an apparatus, system, and method for lowering the consistency or degree of density of fiber suspension on the forming table, and ...
04/24/2012
7318844Laser-irradiated metallized electroceramic
The manufacturing method for an electroceramic component (1), for example a varistor (1), comprises a laser irradiation of a part (5; 6) of the surface of an electroceramic body (2) before a metallization (3; 4) is applied to the p...
01/15/2008
7300553Arrangement for a wire section of a paper or board machine
A web is formed between two wire loops (13, 14), in a wire section of a paper or board machine, in connection with which dewatering elements (12, 17, 15, 28) are placed and in which water is drained from a stock suspension from between the two wires (
11/27/2007
7293683Packaging machine
The present invention relates to a packaging machine which has transport means in the form of two transport chains (5, 6) for lateral grasping and transporting of a length of material (7) consisting of packaging material. In particular with longer plan...
11/13/2007
7166193Method of ensuring flatness of a vane in a headbox by means of a mounting arrangement, headbox with such a mounting arrangement, a mounting arrangement and vane therefor
A method of ensuring the flatness of a vane that is mounted in a headbox by means of a mounting arrangement including engagement dowels for cooperation with a downstream support wall of a transverse groove, said vane being affected during operation by shearing force...
01/23/2007
7141143Method and apparatus for draining fibre pulp suspension
The invention relates to a method of draining a fiber pulp suspension, where the fiber pulp suspension is applied to a convergent dewatering space arranged between two wires travelling in the same direction. In the dewatering space, water and powdery substance are r...
11/28/2006
7135092Arrangement for controlling the edge of pulp mass in a web former and a method for controlling the edge of pulp mass
The invention relates to an arrangement for controlling the edge of pulp mass in a web former, the web former comprising a space formed by two wires or the like, into which space the pulp mass is fed. The wires or the like are supported on a chamber units, which eac...
11/14/2006
6869507Variable frequency dewatering assembly
A variable frequency foil (VFF) box assembly and mechanisms for moving individual foils/foil beams and individual foil beam sets relative to each other to adjust the frequency of a paper making machine, and method of use are provided. The VFF box assembly allows for...
03/22/2005
6808601Method for mixing dilution liquid into a stock flow in a paper or board machine to control basis weight using coarse and fine controls
A method and an apparatus for mixing dilution liquid into a stock flow in a paper or board machine. Dilution is carried out in at least two stages using in the first dilution stage (I) valves (V1, V2, V3 . . . ) fitted with a larger ...
10/26/2004
6802940Variable frequency dewatering assembly
A variable frequency foil (VFF) box assembly and mechanisms for moving individual foils/foil beams and individual foil beam sets relative to each other to adjust the frequency of a paper making machine, and method of use are provided. The VFF box assembly allows for...
10/12/2004
6780282Machine and process for producing a fibrous material web
Machine and process for producing a fibrous material web. The machine includes at least one shoe press having at least one drying cylinder and a shoe press unit which are arranged to form a pressing nip elongated in a web travel direction. At least one suctioned app...
08/24/2004
6712941Forming board for papermaking machine with adjustable blades
A forming board for a papermaking machine includes: a support; a transversely-extending lead blade attached to the support, the lead blade; a plurality of transversely-extending trailing blades; a mounting unit for each of the plurality of trailing blades, the mount...
03/30/2004
6699364Water spray for smooth surface gypsum fiberboard panels
An improved method and apparatus for imparting a smooth surface to gypsum fiber panels. The method involves imparting energy to the surface of a slurry as the slurry is dewatered just prior to rehydration. The apparatus used to impart the energy is a wate...
03/02/2004
6616804Durable acoustical panel and method of making the same
An acoustical panel has a fiberboard which includes a fibrous filler and a base binder, and a nodulated overlay disposed on the fiberboard, wherein the overlay includes nodulated wool and an overlay binder and has a substantially smooth surface. In one em...
09/09/2003
6589387Process for improving the drainage of cellulosic pulps by adding carbon dioxide directly into the pulp
The invention relates to a process for improving the drainage or dewatering of cellulosic pulp suspensions in a paper making machine, a drying machine or the like assembly. The invention also relates to a process for producing a dried cellulosic product f...
07/08/2003
6478928Process for dewatering a pulp web
The invention refers to a process for dewatering a pulp web, particularly a chemical pulp web, where dewatering takes place between twin wire belts or felts in an initial dewatering zone with a set area pressure and then in a second dewatering zone. It is...
11/12/2002
6475343Process and device for dewatering a fibrous material web
Process and apparatus for dewatering a fibrous material web. The process includes guiding the fibrous material web through a dewatering zone, and directing a plurality of gas pressure pulses of a pressurized displacement gas one after the other onto a sur...
11/05/2002
6471829Variable frequency fourdrinier gravity foil box
A variable frequency foil (VFF) box assembly and mechanisms for moving individual foils/foil beams and individual foil beam sets relative to each other to adjust the frequency of a paper making machine, and method of use are provided. The VFF box assembly...
10/29/2002
6258212Device 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
6251225Process for regulating the breaking length ratio of a manufactured paper web
A process and apparatus for controlling a breaking length ratio L/Q of a web. The process includes providing a fluid fiber layer using a headbox havng a headbox nozzle, producing a web from the fluid fiber layer, measuring a current breaking length ratio ...
06/26/2001
6203665Process for setting a uniform characteristic cross-direction profile for a paper web
Process for setting a uniform characteristic cross-direction profile for a paper web with regard to at least formation, basis weight, and fiber orientation in a paper machine. The paper machine can include a headbox with an adjustable die exit opening and...
03/20/2001
6143133Method and device for drainage of a fibrous suspension
A method and device for drainage of a fibrous suspension where a converging drainage gap is formed between a first area and a second area. At least one of the first area or the second area is water permeable. A curved drainage zone is connected to the con...
11/07/2000
6096169Method for making cellulosic web with reduced energy input
A noncompressive dewatering device generates air streams that can be used to remove water from cellulosic webs in an energy efficient manner. Further, a wet-pressed machine can be modified to economically produce low-density tissue with an energy/capital ...
08/01/2000
6027612Wire section and method of dewatering a fiber web in a wire section web
The invention concerns the wire section of a papermaking machine and a method of removing water from a fiber web in that section. A fiber suspension is discharged from a headbox on at least one and usually between two wires in the forming section. The fib...
02/22/2000
5911818Acoustical tile composition
A composition suitable for making acoustical tiles in a water-felting process comprises expanded perlite, clay, a binder component selected from the group consisting of starch, latex, cellulosic fiber and mixtures thereof and optionally mineral wool. The ...
06/15/1999
5753082Both-sided recording paper for ink jet recording and method of preparing the same
Provided are a both-sided recording paper for ink jet recording which has coated layers comprising a pigment and a water-base binder on both sides of a base paper made from pulp slurry comprising a filler and an internal sizing agent; with the coated laye...
05/19/1998
5720853Method and apparatus for sheet formation
In a method for forming a sheet from a fiber-water suspension, the fiber-water suspension is supplied on a traveling bottom wire at a first zone thereof to dewater the fiber-water suspension. Subsequently, the suspension is introduced between the bottom w...
02/24/1998
5399412Uncreped throughdried towels and wipers having high strength and absorbency
Uncreped throughdried basesheets can be made with the caliper of the basesheet being independent of the basis weight of the basesheet. Multi-ply wipers and towels produced by plying together two or more of such basesheets having a relatively low basis wei...
03/21/1995
5277762Composite fiberboard and process of manufacture
A novel composite board of mineral wool, perlite, and cellulosic newsprint fibers for use as an acoustical tile is disclosed. The board displays a high porosity, a fine pore structure, a low density gradient through its thickness and an acceptable strengt...
01/11/1994
5250153Method for manufacturing a mineral wool panel
The manufacture of sag-resistant, lightweight structural mineral panels on a foraminous support wire is accomplished by forming a dilute aqueous dispersion of mineral fiber and/or aggregate and an anionically stabilized latex binder, coupling the binder s...
10/05/1993
5098519Method for producing a high bulk paper web and product obtained thereby
There is disclosed a novel cellulosic web and a method for its manufacture. The web is fabricated of fibrous material and is characterized by one of its surfaces being nubby. Such web is formed by the deposition of fibers from an aqueous slurry onto the s...
03/24/1992
5047120Method for manufacture of lightweight frothed mineral wool panel
Low density mineral wool structural panels are manufactured by frothing a dilute aqueous dispersion of mineral wool, lightweight aggregate, binder and a small amount of amine-based cationic surfactant onto a non-woven scrim cover sheet, dewatering the mas...
09/10/1991
5028300Aromatic polyamide paper with thickened edge areas and process for making same
Disclosed is an elongate, nonwoven flexible sheet structure and a method for its manufacture. The sheet structure consists essentially of a commingled mixture of about 45 to about 70% by weight short fibers of aromatic polyamide and about 30 to about 55% ...
07/02/1991
5013405Method of making a low density frothed mineral wool
A method for the manufacture of very low density mineral wool structural panels on a moving foraminous support wire by frothing a dilute aqueous dispersion of mineral wool is disclosed. The forth, a mass of delicate, non-resilient and non-uniform bubbles ...
05/07/1991
5009747Water entanglement process and product
A method for hydroentangling nonwoven fibrous sheet material to significantly increase the strength thereof at low latex add-on values employs small diameter jets of high-pressure water in the form of coherent streams that concentrate the hydraulic energy...
04/23/1991
4892622Method for resisting formation of undulations in a fiber/water mixture during forming of a paper web in a paper-making machine
A method of and arrangement for resisting formation of undulations in a fiber/water mixture supplied onto a forming wire at an open planar wire section of a paper-making machine include establishing over the wire an air curtain extending over the full bre...
01/09/1990
4808266Procedure and device for the elimination of liquid from a layer formed especially through a paper procuding process
Continuous elimination of at least part of the liquid contained in a layer formed by depositing a liquid compound having a low solid matter content on a mobile, continuous, liquid-porous support, is effected by dripping, pressing and evaporation while the...
02/28/1989
4780184Method for the adjustment of the dewatering in the wire section of a paper machine
A method and apparatus are provided for the adjustment of the dewatering in the wire section of a paper machine. A fiber web is fed on to a forming wire, and the forming wire is passed over the surface of at least one dewatering means and a partial vacuum...
10/25/1988
4744866Web-forming method in a paper machine
A web-forming method is applied in a paper machine. The web-forming section which includes a lower wire loop having an initial single-wire run and dewatering zone in which the web is dewatered through and an upper wire loop having a joint run with a subse...
05/17/1988
4684441Method for operably adjusting a leading, forming board strip
A method for operably adjusting a leading strip of a forming board of papermaking wire wherein the position and length of an impinging papermaking slurry is detected and the length of the leading strip adjusted....
08/04/1987
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