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8152968 |
Machine for the production of a fibrous web
A machine for the production of a fibrous web including a fibrous stock suspension unit for the production of an aqueous suspension, a web former for dewatering the aqueous suspension and forming...
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7615136 |
Machine for the manufacture of a fiber material web
A machine for the manufacture of a fiber material web (12), in particular a paper or card web, having a forming zone including at least one circulating endless dewatering belt (16, 18) includes at...
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6869506 |
Apparatus for dewatering a paper web and associated system and method
An apparatus for decreasing heat emission and enhancing a vacuum system in a papermaking machine is provided. Such an apparatus includes a drying device having an inlet for receiving heated air for...
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6855227 |
Paper machine and method of dewatering a fiber web using displacement pressing and through air drying
A method of dewatering a fiber web in a paper machine, includes the steps of: dewatering the fiber web in a forming section to a solids content of greater than approximately 10%; displacement...
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6733261 |
Apparatus for smooth surface gypsum fiberboard panels
An improved method and apparatus for imparting a smooth surface to a gypsum fiber panels. The method involves imparting energy to the surface of the slurry as the slurry is dewatered just prior to...
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6592721 |
Apparatus for dewatering a suction papermaking roll
An air delivery device is provided for dewatering a suction roll in a paper machine by applying pressurized air to expel residual water or debris outwardly from through-holes. The air delivery...
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6497789 |
Method for making tissue sheets on a modified conventional wet-pressed machine
A tissue sheet is made using a modified wet pressing machine in a modified wet pressing process employing an integrally sealed air press. After initial formation and conventional vacuum dewatering,...
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6475343 |
Process 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...
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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...
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6254731 |
Steam box including a suction zone in an area of a web adjacent to edge cutter devices
A steam box including a steam chamber for blowing steam toward a paper or board web that runs on support of a wire and a suction zone arranged at the trailing side of the steam chamber of the steam...
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6083346 |
Method of dewatering wet web using an integrally sealed air press
A tissue sheet is made using a modified wet pressing process employing an integrally sealed air press. After initial formation and conventional vacuum dewatering, the wet web is conformed to the...
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6042692 |
Paper machine for manufacturing a web of soft crepe paper
A paper machine for manufacturing a web of soft crepe paper comprises a wet end (1) having at least one forming wire (4) for forming and supporting a web (7), and a drying section (2) with a...
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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...
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5482594 |
Liquid removal apparatus and method for wood pulp
A pulp dewatering and washing apparatus comprising a pressure vessel in which is contained a table assembly having a foraminous surface, in the form of a conveying belt, on which a pulp slurry is...
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4892622 |
Method 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...
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4719772 |
Apparatus for removing ink particles from paper products
A process and apparatus for removing ink particles from an inked paper product which includes a conveyor for conveying the paper product along a path, the conveyor being constructed of a...
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4662992 |
Twin-wire papermaking machine and method of dewatering a paper web in a twin-wire papermaking machine
In a particularly simple construction a twin-wire papermaking machine possesses a reduced number of rolls as well as a compact arrangement. The foregoing and the greatest possible velocity of a...
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4595501 |
Horizontal endless belt vacuum filters
A horizontal endless belt vacuum filter comprises an endless belt pierced, in its central part, with holes moving above the upper opening of a longitudinal vacuum and extending beneath the upper...
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4459175 |
Longitudinal wire papermaking machine
A longitudinal wire papermaking machine is disclosed wherein the longitudinal wire is guided in a dewatering region, following a pre-dewatering path, out of a wire plane downwardly over a...
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4389224 |
Method and apparatus for accreting fibrous filter cartridges or other tubular articles
An accreted batt is progressively vacuum formed about a porous or perforated member passing through an accretion zone under conditions where felting of the fiber occurs under a constant vacuum...
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4158596 |
Traveling wire web former
An apparatus and method of forming a continuous fibrous paper web by depositing the stock onto a forming run of a fourdrinier wire while dewatering the stock and collecting water beneath the wire...
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4153550 |
Method and apparatus for the continuous filtration of material impregnated with liquid
The present invention relates to a method and apparatus for the continuous filtration of material impregnated with liquid. This method is characterized in that pressure is exerted discontinuously...
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4121968 |
Secondary vacuum box for a rotary vacuum filter
An apparatus for improving the dewatering capability of a rotary drum vacuum filter or washer is described in which a suction box, independently supported above the filter drum, having an apertured...
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4014738 |
Sifting drum paper machine wherein the diluent water is controlled
Sifting drum paper machine having a sifting drum with a pulp material inlet located at the outside thereof and suction chambers disposed in the interior thereof, includes a measurement of pressure...
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3989085 |
Method and apparatus for leveling the cross-direction profile of stock slurry on a papermachine
Undesirable high concentrations of fiber and moisture in the cross-direction profile of a paper stock slurry laid upon a papermachine fourdrinier screen may be selectively dispersed to level the...
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3966546 |
Apparatus for manufacturing sleeves from fiber pulp
Apparatus for manufacturing sleeves of fiber pulp by passing fiber pulp through a nozzle including a mandrel extending through the nozzle and a reciprocating piston mounted on the mandrel to exert...
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3856617 |
SUCTION CYLINDER PAPER FORMING MACHINE WITH ADJUSTABLE DOCTOR KNIFE SUPPORT STRUCTURE FOR CONTROLLING PAPER THICKNESS
A wet paper producing apparatus has a tank divided into two chambers by a partition wall. A rotary suction drum is mounted in the first chamber and a doctor knife supporting box having a doctor...
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3850792 |
STEAM DRYING DEVICE FOR PAPER MAKING MACHINE
Steam is applied to the paper web on a papermaking machine at a flow rate which not only causes the usual dewatering enhancement by reducing the viscosity of the water but also applies sufficient...
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3844881 |
MULTI-LAYERED FIBROUS WEB FORMING SYSTEM EMPLOYING A SUCTION ROLL POSITIONED ADJACENT THE WEB SIDE OF THE FORMING WIRE AND AROUND WHICH THE FORMING WIRE IS WRAPPED
A multi-layer paper web forming system which includes a first endless forming screen upon which multiple slurries are deposited. The first slurry is delivered onto the moving wire opposite a...
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3738785 |
APPARATUS FOR PROCESSING OF FINELY DIVIDED PARTICULATE MATERIALS
A mass of finely divided material is confined in a chamber. Two rollers are arranged for rotation in the chamber in axial parallelism with one another and define with each other a narrow...
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3657069 |
METHOD AND APPARATUS FOR TREATMENT OF SHEET-LIKE MATERIAL
A sheet-like material such as a paper web or fabric web is treated with a fluid, for example, hot air or liquid dye. The material is carried by a permeable felt wire on which it is subjected to...
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RE13730 |
Title is not available
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3573159 |
DEFLOCCULATION OF PULP STOCK SUSPENSION WITH PRESSURE PULSES
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3565756 |
APPARATUS FOR THE CONTINUOUS MANUFACTURE OF PATTERNED PAPER
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3592585 |
METHOD AND APPARATUS FOR TREATING SHEET-LIKE MATERIAL AND THE LIKE
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3432385 |
WATER EXTRACTION DEVICES
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3303576 |
Apparatus for drying porous paper
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3284285 |
Apparatus for dewatering of fibrous webs in papermaking and similar machines
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3149026 |
Air assisted formation method and apparatus
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3111454 |
Process and apparatus for forming sheet material from a suspension of solid particles in liquid media
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3097994 |
Steaming device for a papermaking machine
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3087538 |
Apparatus for extracting liquid from a fiber formation
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3058519 |
Means of presenting gas pressure to a surface
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3007518 |
Means for preventing leakage of fluid
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2998846 |
Dandy roll for high speeds
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2995484 |
Process and apparatus for forming a sheet of material from a suspension of solid particles in liquid media
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2956301 |
Web cleaning apparatus
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2956300 |
Web tensioning and cleaning apparatus
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2931064 |
Apparatus for producing a pressed pattern in paper
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2913365 |
Fibrous webs and method and apparatus for making same
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