Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8062478 | Gypsum wood fiber articles and methods of making same Emulsions are provided which are useful in imparting water-resistance to gypsum wood fiber products. In one embodiment, the emulsions comprise a wax or a combination of waxes, an alkyl phenol, at least one surfactant, Polynaphthalenesulfonic acid, and an alkali meta... | 11/22/2011 |
| 8052842 | Method for making a compressed structural fiberboard An improved method for making compressed structural fiberboard by extruding agricultural fibrous matter into a compressed structural fiberboard. The improved method includes providing a preselected volume of agricultural fibrous matter and preconditioning the agricu... | 11/08/2011 |
| 7252729 | Polymer/WUCS mat for use in sheet molding compounds A method of forming a molding mat formed bundles of reinforcing fibers and bonding materials is provided. The reinforcing fibers are preferably wet use chopped strand glass fibers (WUCS). The bonding materials may be any thermosetting material having a melting point... | 08/07/2007 |
| 6933038 | Fiber reinforced mineral-based materials and methods of making the same The present invention relates to a method for reinforcing mineral-based materials using reinforced fiber material. More particularly, the present invention relates a method for more uniformly dispensing a fiber material with a mineral-based material, such as cement ... | 08/23/2005 |
| 6558512 | Base material for laminate and process for producing the same The present invention is to provide a base material for a laminate having a high strength, reduced thickness, and light weight. In the present invention, a base material is prepared by incorporating a thermosetting resin binder into a non-woven fabric of ... | 05/06/2003 |
| 6479127 | Manufacture of multi-layered board with a unique resin system The present invention relates to the manufacture of a multi-layered board having a stable, and moisture-resistant surface. To accomplish this and other advantages of the invention, an improved binder system is used in the production of the surface layers ... | 11/12/2002 |
| 6416625 | Manufacturing method of fluoro based composite boards In the manufacturing method of fluoro based polymer composite boards of the invention, which provides a fast process and high efficiency, a suitable amount of water soluble organic solvent is added to a fluoro based polymer suspension during the process o... | 07/09/2002 |
| 6346165 | Method for production of lignocellulosic composite materials A method for improving the bondability of annual plant materials to a formaldehyde-based resin including the steps of: (a) providing a straw plant material having a plurality of fibers with each of the fibers surrounded by a waxy and silica layer; (b) ext... | 02/12/2002 |
| 5997785 | Method for the manufacturing of a moulded body 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... | 12/07/1999 |
| 5728269 | Board produced from malvaceous bast plant and process for producing the same A board composed of a lignocellulosic material and the modification thereof as the substantial components and having good mechanical strength, even when the board does not contain any components derived from an additive, by utilizing the autoadhesion of a... | 03/17/1998 |
| 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 |
| 5531946 | Process for the production of staff panels according to a semidry method and installation for implementing the process Production of plasterboard includes spreading of a mixture formed of gyps fibers and water onto a continuously moving belt to form a spread layer subsequently precompressed to 110% to 180% of a final board thickness and successively wetted from both side... | 07/02/1996 |
| 5525394 | Oriented strand board-fiberboard composite structure and method of making the same An oriented strand board product is provided. The board is comprised of a baseboard having three wood strand layers, the wood strands being oriented in space with respect to a board-forming machine such that a core layer is comprised of wood strands orien... | 06/11/1996 |
| 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 |
| 5470631 | Flat oriented strand board-fiberboard composite structure and method of making the same An oriented strand board (OSB)-fiberboard composite structure is comprised of a baseboard having three wood strand layers, the wood strands being oriented in space with respect to a board forming machine such that a core layer is comprised of wood strands... | 11/28/1995 |
| 5425976 | Oriented strand board-fiberboard composite structure and method of making the same An oriented strand board product is provided. The board is comprised of a baseboard having three wood strand layers, the wood strands being oriented in space with respect to a board forming machine such that a core layer is comprised of wood strands orien... | 06/20/1995 |
| 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 |
| 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 |
| 5194206 | Process for the manufacture of ceiling tile A process for using shredded scrap or virgin fiber glass in combination with starch, water and other components to make ceiling tiles. The tiles are made by initially preparing a mixture of water, starch, boric acid and fire clay. That initial mixture is ... | 03/16/1993 |
| 5160411 | Installation for producing panel-shaped articles from a mixture of plaster and fibrous material An installation for the production of sheet-like members from a mixture of plaster and fibrous material comprises, in addition to a device which prepares the raw materials and mixes them in the dry state in a desired ratio, as well as a device, which adds... | 11/03/1992 |
| 5089088 | Low-density, high strength aramid boards Flash expansion of moist multi-layered boards wherein each layer comprises aramid floc bonded by aramid fibrid results in high strength, low density aramid boards.... | 02/18/1992 |
| 5071511 | Acoustical mineral fiberboard A rigid, self-supporting, acoustical mineral fiberboard comprising a mixture of about 50 to 70 weight percent of mineral fibers, 15 to 35 weight percent of perlite, 1 to 10 weight percent of cellulosic fibers, and 4 to 15 weight percent of a binder with t... | 12/10/1991 |
| 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 |
| 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 |
| 4753713 | Apparatus for forming uniform density structural fiberboard A sculptured structural fiberboard product is formed using a mold that includes porous forming areas which, in one embodiment, are porous forming mandrels movably mounted on the mold, and liquid impervious thimbles which removably cover the porous areas. ... | 06/28/1988 |
| 4734163 | Method of and apparatus for producing gypsum fiber boards (plasterboard) A method of and apparatus for producing gypsum fiber boards includes introducing shaped boards provided of a mash of calcium sulphate dihydrate and fibrous material and possibly additives after dewatering and shaping the mash into at least one pressure ve... | 03/29/1988 |
| 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 |
| 4645565 | Material in sheet form, convertible into a finished product by moulding-stamping or heat-shaping, comprising reinforcing fibers and a thermoplastics resin in power form, and process for preparing said material The present invention relates to a material in sheet form, used in a process of moulding-stamping or heat-forming involving melting of the thermoplastics resin contained in said material, said material in sheet form being prepared by the papermaking techn... | 02/24/1987 |
| 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 |
| 4552618 | Stabilized absorbent boards An absorbent material comprising hydrocolloidal fibers provided in board form having substantial structural integrity both in the dry state and after being wetted with body fluids. The board comprising hydrocolloidal fibers is subjected to a heat treatmen... | 11/12/1985 |
| 4411738 | Press cycle reduction for wet pressed hardboard The production of hardboard by the wet press process is speeded up by the incorporation of finely divided fibers in an aqueous slurry of otherwise fast draining wood fibers and a thermosetting binder so that a barrier of said fine fibers is formed during ... | 10/25/1983 |
| 4311554 | Incombustible material An incombustible material containing at least one mineral substance, and including a first ingredient composed of a plurality of pieces constituted by fibers of cellulose and/or chips of wood shavings, with the pieces forming a network, a mass of thermose... | 01/19/1982 |
| 4263093 | Method for retaining textured surface of pressed ceiling board A low-cost mineral-fiber board having a natural-appearing highly textured surface, and improved uniformity of density is produced by coating the wet-textured surface of a perlite-containing mineral-fiber mat to a depth at least equal to the peak height of... | 04/21/1981 |
| 4259147 | Pulping process A versatile process and apparatus is presented for producing, in high yields, many different grades of pulp from a single wood specie or for pulping any specie or type of woody material, and for storage and recycling of the by-product liquid and gaseous m... | 03/31/1981 |
| 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 |
| 4227965 | Production of hardboard A process for improving the strengths and resistance to water absorption of wood fiber hardboard, along with a lessening in the number of conventional steps, is disclosed. Hardboad is thereby produced by a process wherein drying oil is added to the wood c... | 10/14/1980 |
| 4221630 | Wet method of preparing fiberboard products in a substantially closed and balanced white water system A method of making fiberboard using a substantially closed white water system. One or more layers of separately prepared surface pulp is applied to a layer of base pulp at the wet sheet forming stage. Lignocellulose chips in a pressure-sealed defibrating ... | 09/09/1980 |
| 4173248 | Medium density, high strength lignocellulose composition board including exhaustively hydrated cellulosic gel binder A medium density, high strength lignocellulose composition board comprises on a dry weight basis from 60 to 95% lignocellulose particles and from 5 to 40% exhaustively hydrated cellulosic gel binder, the gel binder being characterized in its gel condition... | 11/06/1979 |
