From Cellulose Containing Articles (e.g., Paper, Etc.) Patents (Class 264/914)
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Patent number: 8617439Abstract: Recycling of laminate flooring based on a separation of the panels (1) into particles which are connected with a binder and formed to a new sheet shaped material. A building panel includes a surface layer and a wood fiber based core, and the wood fiber based core includes aluminum oxide particles.Type: GrantFiled: December 4, 2012Date of Patent: December 31, 2013Assignee: Valinge Innovation ABInventors: Darko Pervan, Kent Lindgren, Eddy Boucke, Jan Jacobsson, Niclas Hakansson, Goran Ziegler
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Patent number: 8349235Abstract: Recycling of laminate flooring based on a separation of the panels into particles which are connected with a binder and formed to a new sheet shaped material. A building panel includes a surface layer and a wood fiber based core, and the wood fiber based core includes aluminum oxide particles.Type: GrantFiled: November 13, 2008Date of Patent: January 8, 2013Assignee: Ceraloc Innovation Belgium BVBAInventors: Darko Pervan, Kent Lindgren, Eddy Boucké, Jan Jacobsson, Niclas Håkansson, Göran Ziegler
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Patent number: 8034271Abstract: A process for making composite products from waste material comprises the steps of a) obtaining fibrous material produced by the thermal treatment of waste materials with pressurized steam; b) mixing the fibrous material with a binding material; c) forming the resulting mixture into a shape; d) pressing the shaped mixture under pressure; and e) hardening the mixture; wherein the process also comprises the steps of the separating out the fibrous material and deodorizing the fibrous material. The waste material may be domestic bin liner waste.Type: GrantFiled: March 23, 2007Date of Patent: October 11, 2011Assignee: Building Research Establishment Ltd.Inventors: Mizi Fan, Peter William Bonfield
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Patent number: 7993550Abstract: A method of recycling spent filter media is disclosed. The method can include providing a cloth, the cloth being spent polymer-base filter media, removing foreign solid particles from the cloth, washing the cloth, drying the cloth and processing the dried cloth to produce polymer-base particles that can be used to produce a component. The processing of the dried cloth can include densifying and/or granulating the dried cloth. In addition, the spent cloth can have been used as metal working filtration media and the foreign solid particles removed from the cloth using a brush. In some instances, the cloth is washed using a dry cleaning process and the granulating or densifying of the cloth produces particles that can be used in an injection molding machine.Type: GrantFiled: October 24, 2008Date of Patent: August 9, 2011Inventors: Dan Chrzanowski, Brandon Chrzanowski
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Patent number: 7811489Abstract: Recycling of laminate flooring based on a separation of the panels into particles which are connected with a binder and formed to a new sheet shaped material. A building panel includes a surface layer and a wood fiber based core, and the wood fiber based core includes aluminium oxide particles.Type: GrantFiled: November 13, 2008Date of Patent: October 12, 2010Assignee: Valinge Innovation ABInventors: Darko Pervan, Kent Lindgren, Jan Jacobsson, Niclas Håkansson, Eddy Boucké, Göran Ziegler
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Patent number: 7560059Abstract: A process and method for recycling cigarette butts is disclosed. The process and method involves reacting ground cigarette butts with a solvent and mineral spirits and then shaping and drying the resultant product. Once the processed cigarette butts have hardened or cured the material may be formed into useful objects with no leaching of chemicals upon contact with water.Type: GrantFiled: September 19, 2005Date of Patent: July 14, 2009Inventor: Blake Burich
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Patent number: 7128858Abstract: A method for producing woody moldings and an apparatus for producing woody moldings that can reduce the number of processing steps and shorten the processing time. Cellulose based fine powdery particles and thermoplastic resin are kneaded and dissolved into a mixed material, and the mixed material is cooled and agitated into a powdery particulate solid. Then, the powdery particulate solid is molded into a predetermined shape.Type: GrantFiled: May 2, 2002Date of Patent: October 31, 2006Assignee: Misawa Homes Co., Ltd.Inventors: Daijirou Ozaki, Yutaka Suzuki, Masao Ooshiro
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Patent number: 7097795Abstract: Waste wood is recycled into a large cross-section wood board without using a hazardous material as a binder. The invention provides a method for manufacturing a recycled wood product, and includes the steps of atomizing, to a wood material containing small wood chips, a mist of high-polymer agent having a natural component as the chief ingredient thereof, pressuring the wood material sprayed with the high polymer mist with the wood material aligned in the length direction thereof, and steam heating the wood material under a high-pressure environment to bond the adjacent wood chips together. A high-polymer agent containing tannin as a chief ingredient is used in one example. A high-polymer agent may be applied on the wood material.Type: GrantFiled: July 31, 2002Date of Patent: August 29, 2006Inventor: Shinji Gotou
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Patent number: 7018582Abstract: A method for forming an article in which thermoplastics materials are used as the binding agent. Materials (21) are shredded in a shredder (1), compressed in a compressing chamber (15) and moulded in a moulding chamber (16, 17, 19, 20, 26, 27). The thermoplastics material is heated whilst the material is held under compression and then cooled to bind the material together. In one embodiment superheated steam is supplied via tubes (31) having apertures there along. In another embodiment superheated steam is supplied via apertures in side walls of the mould (58, 59). Blocks (62, 72) formed by the method and apparatus of the invention may find application as construction materials etc. and have good structural, thermal and acoustic properties.Type: GrantFiled: May 4, 2001Date of Patent: March 28, 2006Assignee: Bale Fusion LimitedInventor: Peter Joseph Lelievre Lewis
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Patent number: 6841101Abstract: A method of producing dry processed fiberboards from resin-bonded waste composite wood products, wherein said wood products are chemically treated in a pre-heater unit of a refiner system under super-atmospheric pressure in the presence of steam to disrupt adhesive polymer bonds, formed into fibers in a subsequent disc refiner unit of the refiner system and further processed by a dry process to form fiberboards.Type: GrantFiled: December 4, 2000Date of Patent: January 11, 2005Assignee: Chitnar Hellas S.A.Inventors: Panagiotis Nakos, Eleftheria Athanassiadou, Joao Manuel Aires Coutinho
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Publication number: 20040119186Abstract: A method for recycling and reusing corrugated paper comprising the steps of: pulverizing the waste corrugated paper into a plurality of scraps; adding viscose to mix with the scraps; agitating viscose and the scraps so that a surface of each scrap is stuck with a thin layer of viscose; filling the scraps with viscose into a model; compressing the scraps for solidifying the scraps so as to form a shaped product; and drying the shaped product. The size of the corrugated paper is less than 10 cm. The viscose is water-solvable viscose. The compressing pressure is larger than 15 tons. In agitating step, recycling short fiber for waste paper can be added.Type: ApplicationFiled: December 19, 2002Publication date: June 24, 2004Inventor: Shih-Hui Lee
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Publication number: 20040051217Abstract: This invention relates to an environmentally friendly insulating material, or more specifically an insulating mat for insulating buildings, houses etc. and a method for the manufacture thereof. The mat is non-allergenic and almost 100% recyclable, and is characterized in that it consists of fabric remnants which are shredded into shoddy, mixed with a fibrous polyester with a low melting point and flax fibres to form a homogeneous mass, which is then moulded into the desired shape and then heat-treated until the polyester fibres melt, bonding the fabric and flax fibres together.Type: ApplicationFiled: July 21, 2003Publication date: March 18, 2004Inventor: Fridtjov Johansen
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Patent number: 6521151Abstract: A method and apparatus for converting paper fiber articles into molded parts. The method and apparatus are particularly advantageous in converting paper fiber cores, utilized for winding and unwinding large quantities of paper products, into plugs which are inserted into the ends of the paper fiber cores. The method and apparatus are advantageous in that the material of the paper fiber cores is converted into a molded product without requiring repulping or slurrying of the paper fiber material as in conventional paper recycling methods. The method and apparatus also do not require the introduction of adhesives, and the paper fiber material is preferably maintained substantially dry throughout the process and apparatus.Type: GrantFiled: August 22, 2001Date of Patent: February 18, 2003Inventor: John A. Boney, Jr.
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Patent number: 6500373Abstract: Fibers obtained by opening waste plastics of different kinds and fibers obtained by opening wastepaper are mutually woven, and molded under heat and pressure. As a result, different kinds of waste plastics can be recycled without requiring separation or classification.Type: GrantFiled: June 25, 1999Date of Patent: December 31, 2002Inventor: Masao Konishi
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Patent number: 6299726Abstract: There is provided a stock of paper nuggets for manufacturing composite building materials, wherein the stock of paper nuggets comprises a large portion of paper nuggets each having a thick mass, a twisted core and a tailed configuration. This stock of paper nuggets is advantageous for being composed of cohesive entities which can be manipulated on a construction site or sold to the public in bags, for use in backyard projects. The paper nuggets have good mold-filling and interlacing properties for manufacturing paper-based products having an homogenous structure and good mechanical properties. There are also provided a method and apparatus using one or more spherical rotors for penetrating a wet paper mulch, for pulling paper nuggets out of this wet paper mulch and for imparting in these paper nuggets their interlacing properties.Type: GrantFiled: February 16, 2000Date of Patent: October 9, 2001Inventors: Erling Reidar Andersen, Erling Jim Andersen
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Patent number: 6253527Abstract: Composite products comprising or incorporating compression moldings of waste or filler particles (16) encapsulated and bound together by a thermoplastic binder (15) into a compacted mass of a shape selected for its end use, the compression molding being prepared by intensely mixing together particles of thermoplastic and waste or filler material to raise their temperature to bring the thermoplastic particles to a molten state where they coat the waste or filler particles (16), then compression molding the hot coated waste or filler particles.Type: GrantFiled: January 8, 1999Date of Patent: July 3, 2001Assignee: Royal Ecoproducts LimitedInventor: Vic De Zen
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Patent number: 6149845Abstract: A method of manufacturing paper coffin for use in cremation including the steps of forming a box and a cover for a coffin from prepared pulp by vacuum molding, drying the molded box and cover, compressing walls of the box and of the cover in a die casting machine to consolidate them and give them enhanced structural strength, and painting the box and the cover so that the coffin has beautified outer surfaces. Dies for compressing the walls of the box and the cover may be provided with patterns so as to form raised or depressed patterns on outer wall surfaces of the coffin.Type: GrantFiled: March 29, 1999Date of Patent: November 21, 2000Inventor: Shieh Chwan Ren
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Patent number: 6017475Abstract: An apparatus, system, and batch or continuous flow method of thermodynamically reducing and converting household garbage into useful by-products capable of being recycled and reused or otherwise transformed into useful articles. The method of transforming household garbage into useful material comprises the steps of: providing a quantity of household garbage having a first volume and a liquid content; reducing the garbage having a first volume to an aggregate shard having a second volume smaller then the first volume; optionally expelling liquid from the aggregate shard; and heating the aggregate shard under pressure greater than ambient pressure to create an aggregate shard pulp.Type: GrantFiled: April 20, 1998Date of Patent: January 25, 2000Assignee: Bouldin & Lawson, Inc.Inventor: Thomas E. Cantrell
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Patent number: 5997785Abstract: A molded body is produced on the basis of a raw material, the main content of which is material which is left after remolding pulp from paper and extraction of fibers from the pulp mass for remanufacturing of paper. This raw material which mainly consists of water, short fibers, and fine, mineral particles is drained by pressing in a first pressing stage between filter belts for production of a coherent body, is dried partially in a first drying stage is pressed and in a second pressing stage, and dried finally in a second drying stage. The invention concerns a similar method for separation of fibers and particles from waste water which results from repulping paper and reclaiming of fibers from the pulp mass for remanufacturing of paper, whereby an enviromental problem is solved in a very suitable way.Type: GrantFiled: June 30, 1997Date of Patent: December 7, 1999Inventor: Frank Ivan Skjelmose