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| Number | Title | Issue Date |
| 7252742 | Method for producing flanged molding A method of producing a lipped molded article comprising the steps of forming a molded article having an opening portion by papermaking and outwardly curling the peripheral wall portion which constitutes the opening portion to make a lip. The method is characterized... | 08/07/2007 |
| 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 |
| 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 |
| 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 |
| 6645348 | Method for producing pulp molded article 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... | 11/11/2003 |
| 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 |
| 5906713 | Method of preparing biodegradable, water-resistant, and molded paper board A method of preparing biodegradable, water-resistant, moldable paper board or molded paper utensil which includes the steps of: (a) preparing a pulp aqueous slurry at a consistency of about 4%; (b) adding surfactant selected from the group consisting of r... | 05/25/1999 |
| 5883025 | Molded bodies comprising bond material based on cellulose acetate and reinforcing natural cellulose fibers, a process for the production and the use thereof Described are molded bodies comprising bond material based on cellulose acetate as a bonding agent and reinforcing natural cellulose fibers or natural cellulose-containing fibers. These components are characterized by the fact that the cellulose acetate h... | 03/16/1999 |
| 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 |
| 5681428 | Method of manufacturing an inorganic board An inorganic board consisting of a cured base mat and a cured surface mat is manufactured by forming a surface mat by the dry method on a base mat formed by a paper making method, embossing the composite mat, and curing the embossed composite mat. Ridges ... | 10/28/1997 |
| 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 |
| 5500089 | Method for making disposable bowls and trays A method is used for making disposable trays and bowls with organic materials or herbaceous plants that can be easily disintegrated and that has low economical value. The organic materials include straws, bagasses or forage grasses etc., which are cheap a... | 03/19/1996 |
| 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 |
| 5338404 | Method of forming a lignin reinforced cellulosic product Preformed cellulosic linerboard as utilized in the manufacture of corrugated products is provided with enhanced crush strength by a combined lignin-coating and calendering treatment. The linerboard is coated with an aqueous lignin-containing solution and ... | 08/16/1994 |
| 5300347 | Embossed facial tissue Uniformly embossed facial tissue having a continuous or closely-spaced discontinuous embossing pattern and having from about 1 to about 40 distinct individual unembossed areas per square inch of tissue is considered to be a consumer-preferred facial tissu... | 04/05/1994 |
| 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 |
| 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 |
| 4941949 | Apparatus for manufacturing textured acoustical tile An apparatus for texturing the surface of wet cast plastic acoustical composition during manufacture of acoustical tiles by use of spinning air rolls. In the apparatus, at least one hollow cylindrical roll that is perforated in a random manner is suspende... | 07/17/1990 |
| 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 |
| 4726881 | Method of making wet process panels of composite wood material with semi-matching contoured pressure plates Panels of composite wood material are formed in a wet process which includes depositing a layer of wet composite wood material in a mat on a press wire screen mesh and moving the screen mesh to carry the mat into a pressing position between a pair of spac... | 02/23/1988 |
| 4702870 | Method and apparatus for forming three dimensional structural components from wood fiber Methods and apparatus for producing three-dimensional structural members having one flat side from wood fibers utilizing flow deposition of the fibers onto a support. The support includes resilient deformable mold inserts. The mold inserts are formed of s... | 10/27/1987 |
| 4608108 | Wet-end molding method and molded product A method for producing a fibrous board having a decorative, textured surface comprising the steps of: (a) forming a wet mat of entangled mineral fibers; (b) pressure molding said fibrous mat while it is still wet to create a decorative textured surface thereon... | 08/26/1986 |
| 4308094 | Diaphragm for speaker and method of producing same A diaphragm for a speaker obtained by forming a diaphragm base by screen processing a mixture of carbon fiber, pulp and polyvinyl alcohol fiber as a binder in a manner similar to that employed for making paper, depositing a thermosetting resin on the diap... | 12/29/1981 |
| 4238438 | Hardboard with smooth, dense surface and method Disclosed is a hardboard with a smooth, highly-consolidated, dense surface and a method for making it. The method of this invention greatly reduces the need for surface sanding after molding because release from the molding caul is improved and results in... | 12/09/1980 |
| 4152203 | Method of warpage control for molded fiber trays Method of eliminating warpage of molded fiber trays during free drying by pressing the back side of the preform where ribs cross with a dimpling projection on a rubber insert in a pressure head on a molding machine.... | 05/01/1979 |