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6890407 |
Method and apparatus for producing calendered paper or board
A method and an arrangement for manufacturing calendered paper or board particularly in the on-line manufacturing method. In the method, a base web is formed from a mixture of water and pulp...
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6833055 |
Multi-ply paperboard prepared from recycled materials and methods of manufacturing same
This invention, in one aspect, relates to a multi-ply paperboard having at least three inner plies and, in some aspects, a top liner and a back liner, wherein the multi-ply paperboard is derived...
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6706151 |
Pulp moulding process and related system
A pulp moulding process including the steps of pulp stock, forming wet products by means of forming die (7), transferring the wet products from the forming die by means of a heated transferring...
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6461479 |
Process and device for distributing a pulp suspension, particularly at medium consistency
The invention relates to a process for distributing an especially medium-consistent fibrous suspension in front of a dewatering device. It is distinguished in that the fibrous suspension is taken...
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6419793 |
Paper making apparatus having pressurized chamber
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...
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6342125 |
Multi-ply web forming method and apparatus and a multi-ply paper or board product formed hereby
A multi-ply web forming method and apparatus are disclosed for forming a top ply onto a base ply. A fiber suspension jet is by means of a secondary headbox (21; 21′, 26) delivered into a t...
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5800766 |
Method of compacting a plurality of flat, stacked, non-woven articles
The present invention relates to a method of compacting a plurality of flat, stacked, non-woven cotton and cotton blend articles from a normal size to a greatly reduced size to form a package of...
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5160584 |
High consistency sheet former
A papermaking machine is constructed as a barrier former in which a fiber slurry is received and placed in turbulence on one side of the screen plate for fluidizing the slurry and distributed...
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5160583 |
Controlled jet injection apparatus for a papermaking machine headbox
In a papermaking machine, a method and mechanism for delivering stock to a dewatering web including a pressure headbox with a narrowing slice opening, a receiving throat either with a single...
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5129988 |
Extended flexible headbox slice with parallel flexible lip extensions and extended internal dividers
The uniformity of layered paper sheets produced using a layered headbox can be improved by confining the outer layers between parallel surfaces within the headbox immediately prior to leaving the...
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4995988 |
Method and apparatus for thickening a slurry using a compression plate
Method and drum filter for thickening of slurry and for treatment of the slurry with liquid. The slurry to be thickened is passed onto the filter face of a drum (3) revolving in a basin (3), and...
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4430159 |
Twin-wire papermaking machine
A twin-wire papermaking machine contains a region having two wires guided in mutual contact with one another and at which there is located at least one stock infeed device. The stock infeed device...
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4349414 |
Method for forming a multilayer jet of paper making stock
A method for forming a multilayer jet by delivering a plurality of superposed, spaced apart jets of stock through a slice opening towards a web forming zone, keeping the jets separated for part of...
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4125429 |
Headbox turbulence generator and damping sheet
Turbulence is generated within a headbox nozzle passage in such close adjacency to the slice opening as to assure thorough and substantially uniform dispersion of the fibers in a jet stream...
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4045281 |
Method for preventing web rewetting
A method for preventing web rewetting in a paper making machine of the type comprising a forming cylinder with an apertured or perforated periphery, with or without a foraminous belt wrapped around...
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4024016 |
Cylinder mold former with flow box and pressure lid
A former for cylinder mold, paper making, machines, of the type now known as B.R.D.A., and having a pressure lid, an explosion chamber with a central imperforate baffle, and a manifold feeding...
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4021296 |
Method and device for manufacturing a continuous material web of elongated fibrous particles
A method and device for manufacturing a continuous material of elongated fibrous particles from a suspension of the fibrous articles with a concentration at least twice as high as the sediment...
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3855057 |
PAPER FORMATION UTILIZING A LARGE DIAMETER SUCTION ROLL
This relates to a compact paper making machine wherein the moist web is prepared initially by merging incipent webs formed on a pair of opposed forming wires in a converging forming zone wherein...
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3619362 |
PAPERMAKING HEADBOX STOCK NOZZLE WITH LIQUID JACKET MEANS FOR ELIMINATION OF STOCK EXPOSURE TO AIR
A twin wire paper forming machine including a headbox having a stock outlet nozzle for directing a stream of stock into the forming nip of the machine. A liquid jacket means disposed on opposite...
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3547777 |
VERTICAL DUAL WIRE PAPER WEB FORMER
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3531371 |
APPARATUS FOR MAKING PAPER
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3597315 |
VERTICAL TWIN-WIRE PAPER MACHINE
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3562106 |
APPARATUS FOR MAINTAINING THE SLICE OPENING IN A PAPERMAKING HEADBOX
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3795576 |
CYLINDRICAL SCREEN METHOD FOR PAPER MANUFACTURING
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3565757 |
APPARATUS FOR FORMING AND DEWATERING A FIBROUS WEB
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3556935 |
PAPERMAKING HEADBOX WITH ADJUSTABLE HYDRAULIC NOZZLE AND SLICE
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3600274 |
MOULDING DEVICE FOR A SLURRY WHEREIN THE FORMING MEANS INCLUDES OPPOSED SHOES ATTACHED TO OPPOSED ENDLESS CHAINS
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3578556 |
VERTICAL PAPER MACHINE WHEREIN STOCK IMPINGES WIRES BELOW THE BREAST ROLLS
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3823062 |
TWIN-WIRE PAPERMAKING EMPLOYING STABILIZED STOCK FLOW AND WATER FILLED SEAL(DRAINAGE)BOXES
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3472733 |
PAPER-FORMING SUCTION CYLINDER ROLL WITH ARCUATE STOCK DELIVERY NOZZLE AND POROUS BELT IN WRAPPED ENGAGEMENT THEREWITH
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3470063 |
PAPERMAKING MACHINE
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3455780 |
SUCTION CYLINDER MOLD PARTIALLY WRAPPED BY AND ENDLESS,POROUS CONTROL MEMBER
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3400045 |
Pressure forming apparatus for making paper
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3397112 |
Cylinder papermaking machine containing a water impervious cylinder
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3330723 |
Process and apparatus for the production of fibrous webs, especially for making paper or cardboard
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3326745 |
Apparatus for forming paper between a forming wire and felt
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3321360 |
Method and apparatus for supplying stock to papermaking machine
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3224928 |
Papermaking machine using a moving felt through a pressure forming slice and the same felt throughout the machine
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3122470 |
Method of supplying stock and stock inlet for a papermaking machine
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3028298 |
Flow control apparatus
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2995485 |
Method and apparatus for forming webs
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