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| Number | Title | Issue Date |
| 7326317 | Lignocellulose product The invention concerns a process for the production of activated fibres or particles having self-binding properties comprising the steps of treating fibers or particles of lignocellulose containing material by contacting them with an oxidant during a time sufficient... | 02/05/2008 |
| 7297232 | Production method and device for fiber molding A method for producing a fiber molded article comprising the step of transferring a fiber molded article 10 formed in a papermaking mold 2 composed of splits 20 and 20′ to a split 30′ of a drying mold 3, in which the pap... | 11/20/2007 |
| 7294235 | Supercalendering optimization using a steam shower There is described a method and apparatus for applying steam from a steam source to a moving web to thereby improve the smoothness and gloss of the web. A housing has at least one cooling chamber upstream and at least one steam chamber downstream. The cooling air in... | 11/13/2007 |
| 7077933 | Pulp molded body A pulp molded article (1) of the present invention comprises a neck portion (2) and a thread (5) provided on the outer surface of the neck portion (2), and has an overrun torque of 1 N·m or higher between the neck portion and a threaded ... | 07/18/2006 |
| 7074302 | Apparatus and process for forming three-dimensional fibrous panels A fibrous panel is molded in two or more progressively formed mold members each comprising a porous support plate to which a plurality of rigid mold pieces are affixed. The mold pieces are truncated 3D tapered structures, and are arranged on the support plate in a r... | 07/11/2006 |
| 7067041 | Method of producing pulp moldings A method of producing pulp moldings having a paper-making process comprising the steps of assembling split mold halves (11, 12) having suction passageways (14) to form a paper-making mold (10), feeding pulp slurry of predetermined set feed conce... | 06/27/2006 |
| 7008509 | Molded body with projected part, dry mold for manufacturing the molded body, and method and device for manufacturing the molded body A molded body formed with pulp mold having projected lines corresponding to a slit-shaped vent package part, capable of being provided by paper-making/dewatering, using a paper making mold, a slurry having fibers dispersed in a liquid so as to obtain a three-dimensi... | 03/07/2006 |
| 7003808 | Molded fibrous pulp hat The present invention includes a hat having a dome portion that substantially matches a person's head and a bill portion that is integrated with the dome portion. The dome portion and the bill portion are formed from a slurry of fibrous pulp material and has a subst... | 02/28/2006 |
| 6994772 | Method of manufacturing hollow fiber formed body, fiber formed hollow body, and device for manufacturing the hollow fiber formed body Disclosed is a method of producing a fiber-molded hollow article by using a papermaking mold (2) composed of splits (21, 22) which are joined to form a cavity (20) having two openings (20a, 20b) connecting with the ou... | 02/07/2006 |
| 6899793 | Method of manufacturing pulp mold formed body A method of producing a pulp molded article. The method feeds a pulp slurry to a cavity of a papermaking mold having a prescribed cavity shape to form a pulp preform including a main part having an opening and a separable part having a flange and connected to an edg... | 05/31/2005 |
| 6797120 | Method of manufacturing pulp mold formed body A method for producing a pulp molded article is disclosed. The method comprises the steps of forming and drying a pulp molded precursor (15). The drying step includes a first step and a second step. In the first step, the precursor (15) is set in a cav... | 09/28/2004 |
| 6605187 | Method for producing pulp molded article A method of producing a pulp molded article comprising a papermaking step in which a pulp slurry is fed to the surface of a papermaking mold having suction paths, and water contained in the pulp slurry is sucked through the suction paths whereby the pulp ... | 08/12/2003 |
| 6592720 | Method of manufacturing pulp mold formed body A method for producing a pulp molded article is disclosed. The method comprises the steps of forming and drying a pulp molded precursor (15). The drying step includes a first step and a second step. In the first step, the precursor (15) is set in a cavity... | 07/15/2003 |
| 6468398 | Method of manufacturing pulp molded product Pulp deposited bodies (7 and 8) are formed on the surfaces (2a and 3a) of a set of splits (2 and 3) of a papermaking mold, each split having a plurality of interconnecting holes connecting the outside to the inside thereof, and the splits (2 and 3) are ma... | 10/22/2002 |
| 6461480 | Method of manufacturing pulp mold formed product A pulp molded article is produced by depositing pulp fiber on the outer surface of a papermaking core mold having a plurality of interconnecting paths connecting the outside and the inside to form a pulp deposited body, placing the pulp deposited body in ... | 10/08/2002 |
| 6451235 | Forming a three dimensional fiber truss from a fiber slurry A method is disclosed for forming from a fiber slurry a three-dimensional fiber truss. The forming method involves compressing a fiber slurry or a fiber pulp between a pair of rigid foraminous dies to rapidly drive out most of the carrier fluid. The fiber... | 09/17/2002 |
| 6371241 | Speaker device A speaker frame is constructed from dried paper pulp. Features in the speaker frame such as holes or slits are formed by carbonizing corresponding sections in the dried paper pulp and applying shear processing to remove the carbonized material. A carboniz... | 04/16/2002 |
| 6284101 | Plate forming die set An apparatus for press forming products having a desired shape from a web is provided. The apparatus includes a cyclically operating blanking section for cutting the web to produce a single blank for each blanking cycle and a cyclically operating forming ... | 09/04/2001 |
| 6149845 | Method of manufacturing paper coffin for use in cremation 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... | 11/21/2000 |
| 6013214 | Method for manufacturing filter element In a filter manufacturing method, during a time period from the start of the suction of the slurry to a point in time when fibers in the slurry accumulate on the outer peripheral surface of the protector to a prescribed thickness, the protector and its le... | 01/11/2000 |
| 5876835 | Molded stressed-skin panels Stressed-skin panels are provided having internal open-cell grids molded from material such as fibers, and methods and apparatus for the production thereof are disclosed. The invention utilizes a porous screen having a plurality of elastomeric pads spaced... | 03/02/1999 |
| 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 such articles that saves exterior packaging, shipping, handl... | 09/01/1998 |
| 5785817 | Moldable pulp material and method of manufacturing molded pulp product A moldable pulp material, which contains a main constituent of pulp comprising strips of paper having a size of millimeters and a fibrous component defibrated from waste paper, a starch binder in which a portion of the hydroxyl group in molecules of starc... | 07/28/1998 |
| 5759351 | Method of manufacturing a filter having longitudinal channels by molding from a slurry using thermosetting resin A slurry of suspended formation fiber and binder fiber is brought to pass through a suction unit to form a molded member. Longitudinally extending channel portions are formed on both inner and outer peripheral surfaces of the molded member, and a wall por... | 06/02/1998 |
| 5618387 | Method of preparing biodegradable, water-resistant paper utensils A method of preparing biodegradable water-resistant paper utensils which includes the steps of: (a) preparing a pulp aqueous slurry at a consistency of about 4%; (b) adding surfactant to the slurry; (c) thereafter, adding between 8 and 30 percent weight o... | 04/08/1997 |
| 5582682 | Process and a composition for making cellulosic composites The specification discloses an unorthodox system for manufacturing strong, light-weight and weather-resistant cellulosic composite materials from discarded paper and newsprint, and papermill sludge--and from an unlimited variety of particulated fibrous li... | 12/10/1996 |
| 5520777 | Method of manufacturing fiberboard and fiberboard produced thereby In manufacturing fiberboard, it is known to press mixtures of lignocellulosic material and binding agents to form a board product. In this invention, an improved process for manufacturing fiberboard is disclosed including the step of adding a solution of ... | 05/28/1996 |
| 5372678 | Manufacture of calcium hydrosilicate bound fiberboard Calcium hydrosilicate bound fiberboard, in particular double-deck board, is manufactured in a process wherein a fiber-binder-filler mixture having a water content of 40 to 45% by weight and a solids content of 55 to 60% by weight is prepared by digesting ... | 12/13/1994 |
| 5357854 | Method for high-speed calendering A sheet calendering method and apparatus including a calendering cylinder, a delivering cylinder, and a conveyor for transporting sheets between the calendering cylinder and the delivering cylinder; wherein the conveyor includes two flexible elongated mem... | 10/25/1994 |
| 5356518 | Method of producing molded paper pulp articles and articles produced thereby A method of manufacturing a molded paper pulp article from a fiber slurry involves the vacuum deposition of a layer of wet paper pulp onto a forming mold, the separation of the wet layer of paper pulp from the forming mold and the pressing and shaping of ... | 10/18/1994 |
| 5277854 | Methods and apparatus for making grids from fibers Method and apparatus to form grids of open cells from fibers, especially wood fibers and fibers from waste paper and mixed waste materials. The invention utilizes a screen carrying a plurality of elastomeric pads of predetermined sizes arranged thereon in... | 01/11/1994 |
| 5198167 | Process for producing fiber molding for fiber-reinforced composite materials In a process for molding a fiber molding for a fiber-reinforced composite material with short fibers oriented in one direction, a slurry molding material having short fibers dispersed in a liquid is used, and pressing forces are applied to the molding mat... | 03/30/1993 |
| 5151226 | Process of making contoured vehicle internal panelling supports The invention relates to a process for the production of contoured vehicle internal panelling supports having surfaces smooth on both sides on the basis of wood fibers by depositing an aqueous suspension of wood fiber (pulp) on a preforming screen, drying... | 09/29/1992 |
| 5068796 | Control of sheet opacity A method to control the opacity of sheet formed of nonwoven material involves providing a computer with a steam pressure measurement from each of two steam heated palmer bonders. One pressure sensor from the first bonder drum and one from the second bonde... | 11/26/1991 |
| 5039465 | Method and apparatus for forming fiber reinforced plastic preforms from a wet slurry A method and apparatus for making fiber reinforced plastic preforms via a wet slurry process. A screen with the desired preform configuration is placed in the bottom of a tank. The tank is then filled with water and chopped fibers to create a slurry. The ... | 08/13/1991 |
| 5034097 | Epoxidized polyamide wet strength resins containing lecithin A composition comprising epoxidized polyamide wet strength resin and lecithin. The composition provides wet strength to paper and molded pulp products and at the same time increases the internal bonding of the paper or molded pulp products.... | 07/23/1991 |
| 4950362 | Heat-insulating shaped fibrous articles and a process for producing them Elastic, heat-insulating shapes of ceramic, refractory or fireproof fibers and, where needed, further refractory or fireproof substances, and temporary or inorganic binders, as well as a process for the preparation thereof. The heat-insulating shapes are ... | 08/21/1990 |
| 4917923 | Carbonaceous cylindrical body and process for producing the same A carbonaceous cylindrical body including a composite body of a carbonized material of a thin paper-like supporting body having a strength ratio of lengthwise direction to widthwise direction of 2 to 10 and obtained by manufacturing a paper-like body so t... | 04/17/1990 |
| 4769109 | Relatively inexpensive thermoformable mat and rigid laminate formed therefrom A relatively inexpensive mat is provided which through the application of heat and pressure readily can be densified to form rigid shaped articles. The mat is substantially free of a binder (e.g., a latex binder) and consists essentially of a substantiall... | 09/06/1988 |
| 4746402 | Gasket forming process A process of forming a gasket with a minimal production of waste material is disclosed. A suitable fiber is mixed with a binder in water to form a fiber-binder aqueous mixture. The mixture is then deposited on a screen in a predetermined pattern to form a... | 05/24/1988 |
