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7399377 |
Process for singulating cellulose fibers from a wet pulp sheet
A hammermill for singulating cellulosic fibers from a wet pulp sheet includes a cylindrical housing, a feed slot with a breaker bar positioned therein and a rotor mounted for rotation in the...
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7364642 |
Recycling of latex-containing broke
Methods for recycling latex-containing broke are generally provided. Specifically, mechanical treatment may be employed to rework latex-containing broke for reuse in various products without the...
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7318880 |
Method for defibring recycled fiber material in a drum pulper, and a drum pulper
The invention relates to a method for defibering recycled fiber material in a drum pulper provided with a substantially horizontal drum. Recycled fiber material and water are fed to the drum pulper...
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7005034 |
Method in connection with the production of mechanical pulp
A method in connection with the production of mechanical pulp from a cellulose containing material wherein the material is processed in at least one refining step to produce pulp. According to the...
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6878236 |
Raw material for printing paper, a method for producing said raw material and a printing paper
The object of the present invention is a method for making mechanical pulp, such as thermomechanical or chemi-thermomechanical stock. The mechanical pulp is used as a raw material for printing...
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6773545 |
Method of forming and metering fluff pulp
The present invention is directed to a method and apparatus for fiberizing bales of pulp into substantially dry fibers and fiber aggregates, i.e., dry fluff, and metering the resulting dry fluff to...
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6340408 |
Method of preparation of a fluffed pulp to be used in absorbent products
A method for the preparation of cellulosic pulp capable of being defibrated (fluffed) for the manufacture of an absorbent material intended to be incorporated as a component in absorbent products....
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5976320 |
Method for producing paper pulp from fibers of annual plants
A method for producing paper pulp containing fibers of annual plants or of secondary raw materials produced therefrom, whereby fiber materials are shortened to a length which permits production of...
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5267655 |
Method and apparatus for treating a gas containing aqueous fiber suspension
Method and apparatus for treating a gas containing aqueous fiber suspension in a fiber line process of a pulp mill including at least one of pulp screening, washing and bleaching includes (a)...
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5074476 |
Method of manufacturing fibre material containing lignocellulose for the production of fibre boards
A method and an apparatus is described for the manufacture of fibrous material containing ligno cellulose for the production of fibre boards by the dry process, wherein cleaned and mechanically...
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4889591 |
Crotalaria juncea paper pulps
The present process produces a long fiber suitable for making various paper products. The long fiber is derived from Crotalaria juncea. The processing consists of a particular technique for...
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4557800 |
Process of forming a porous cellulosic paper from a thermal treated cellulosic non-bonding pulp
A non-bonding pulp is obtained by contacting a cellulosic pulp with a non-oxidizing gaseous medium at a temperature of at least 400° F. for a period of time greater than 3 seconds or more. When a...
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4485646 |
Apparatus for washing fiber stock
Apparatus for washing fiber stock, comprising a substantially horizontally disposed rotating screen drum, means for supplying fiber stock to one end of said screen drum for passage along the screen...
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4152197 |
Process for preparing high-yield cellulose pulps by vapor phase pulping an unpulped portion of lignocellulosic material and a partially chemically pulped portion
Process and apparatus are provided for the preparation of improved high-yield cellulose pulps, such as semichemical, chemimechanical, thermomechanical, and mechanical pulps, which comprises...
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3428520 |
PULPING PROCESS WITH LIGNIN RECOVERY
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3351519 |
Preparation of purified vegetable fibers
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2962411 |
Filter for tobacco smoke
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2883826 |
Process for conditioning plant fibers for spinning
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