Paper making and fiber liberation inventions 04/06

20060086471 - Apparatus for forming an extended nip: Apparatus for forming an extended nip between a mating roll and a shoe roll for treating a product web, in particular a paper web, the roll axes of which lie in a loading plane E, having a mating roll which is supported via in each case one roll-end assembly on...

20060086472 - Soft durable paper product: Soft durable paper towels are disclosed. These paper towels can be produced, for example, using a throughdried basesheet, such as an uncreped throughdried sheet, in which both outer surfaces have been pattern-printed with a binder and at least one outer surface of the sheet is creped....

20060086473 - Press section and permeable belt in a paper machine: A permeable belt, a belt press including a roll having an exterior surface and the permeable belt, and a method of drying or pressing a web with the permeable belt. The permeable belt can be tensioned to at least 30 KN/m. A side of the permeable belt has an open...

20060081345 - Method for bleaching wood fibers: A method for bleaching wood fibers with a mixture of sodium borohydride and sodium bisulfite followed by peroxide bleaching in the same vessel....

20060081346 - Peroxide bleaching of wood pulp: There is provided a new and useful process for peroxide bleaching of mechanical or high yield pulp, the process comprising adding to a pulp slurry at least one stabilizer for stabilizing low valency states of transition metal ions in the slurry; subsequently adding caustic soda to said slurry simultaneously with...

20060081347 - Cross-machine direction embossing of absorbent paper products having an undulatory structure including ridges extending in the machine direction: A method of embossing an absorbent web with a machine direction undulatory structure is described. The web has a plurality of ridges extending in its machine direction occurring at a frequency, F, across the web and the method includes providing the web to an embossing station where the web is...

20060081348 - Fluted composite and related absorbent articles: An absorbent composite that includes a fibrous matrix having absorbent material dispersed in bands along the composite's length is disclosed. The bands define liquid distribution zones. On liquid contact, absorbent material swelling occurs and produces a wetted composite having flutes that include swollen absorbent material separated by distribution zones, regions...

20060081349 - Non-woven through air dryer and transfer fabrics for tissue making: One embodiment of the present invention is an endless non-woven tissue making fabric having a three-dimensional texture suitable for use as a fabric for producing three-dimensional fibrous webs. The endless non-woven tissue making fabric comprises a plurality of substantially parallel adjoining sections of non-woven material. Each section of non-woven material...

20060076116 - Method and apparatus for making a creped tissue with improved tactile qualities while improving handling of the web: A creped tissue paper is made by creping a tissue paper from a drying cylinder with a creping doctor, receiving the creped web on a carrying fabric, carrying the creped web on the carrying fabric through a compression nip that compresses the web to substantially reduce its thickness and improve...

20060076117 - Latex paper sizing composition: Methods of sizing paper using a latex as a surface sizing agent are described, in which the latex is defined by acid number or particle size. Further described are methods of improving toner adhesion of papers that are surface sized with alkenylsuccinic anhydrides by employing latexes that have a glass...

20060076118 - Starch and fiber mixture for papermaking and methods of making paper with the mixture: The invention relates to a starch and fiber mixture, and the application of a starch and fiber mixture in paper manufacturing. The starch and fiber mixture is applied to a paper mat, after the paper mat is formed. The starch and fiber mixture may be obtained by the selective filtering...

20060076119 - Machine for producing a fibrous web: Machine for producing a web includes a system for predefining a quantity of a grade to be produced utilizing a measuring arrangement for measuring quality data during production of the web. The system defines the quantity of the grade to be produced by using data measured by the measuring arrangement...

20060070709 - Method for the continuous cooking of wood raw material for cellulose pulp: The invention concerns a simplified method for the continuous cooking of wood raw material in the form of sawdust for the production of cellulose pulp, The method does not require any thickening stages and can be carried out with a minimum of process equipment. The complete process can be established...

20060070710 - Method and a device for preparing cellulose pulp: A method and an apparatus for preparing cellulose pulp, in which a lignin-containing raw material is impregnated with impregnation liquor and the impregnated raw material is cooked. The black liquor obtained by cooking is concentrated in an evaporation plant integrated in a chemical recovery plant. In the impregnation, the lignin-containing...

20060070711 - Low ph treatment of pulp in a bleach sequence to produce pulp having low d.p. and low copper number for use in lyocell manufacture: A high pH and a low pH process for reducing the degree of polymerization of a pulp having a hemicellulose content of at least 7%. The high pH is greater than 8, and the low pH process is 2 to 8. The high pH process reduces the degree of polymerization...

20060070712 - Absorbent articles comprising thermoplastic resin pretreated fibers: One embodiment of the present invention is a fibrous structure that may comprise: cellulosic pulp fibers and pretreated cellulosic pulp fibers. The pretreated cellulosic pulp fiber is formed by pretreating cellulosic pulp fiber with a thermoplastic resin having a property selected from the group consisting essentially of water soluble, water...

20060070713 - Apparatus and method for monitoring the transfer of a material web: A machine for producing and/or treating a material web, in particular of paper or board, in which the material web can be guided along a material web guide path by means of at least one material web guide device from a material web production section or material web input section,...

20060070714 - Apparatus and method for carrying out a continued union of paper webs: Apparatus for continually joining paper webs, comprising means able to compress the said webs (5, 6) onto an impression cylinder or roller (4) while the webs advance toward an outlet section of the apparatus, characterized in that said compressive means include a roller or cylinder (2) which exhibits a hard...