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6139620 |
Calcium silicate board and method of manufacturing same
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6123878 |
Molded article
The present invention has as its object self-supporting, highly porous molded parts produced by the methods of powder metallurgy from solids, processes for their production, and the use of the...
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6099770 |
Method of and apparatus for dewatering and pelletizing particulate fuel
A method of and apparatus for pelletizing a feed material containing finely divided solids and water by compressing the feed material in the die cavities of a pellet mill and permitting excess...
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6077467 |
Artificial fiber log process
A process for making an artificial mineral or ceramic fiber log representation having areas of enhanced thermal texturing that can be used in gas fireplaces to simulate the burning of real wood...
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6068804 |
Process for making expansion joint material
A process of producing an asphalt-impregnated fiberboard comprises the steps of forming an aqueous slurry of a fibrous material and asphalt, the solids content of the slurry being less than about 8...
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6063314 |
Method for accurate replication of shaped articles using sinterable powders
Shaped article replicas which are proportionately accurate replicas of a shaped article and which are equal, greater or smaller in size than said shaped article are made by preparing a swellable...
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6013158 |
Apparatus for converting coal to hydrocarbons
An apparatus for forming liquid hydrocarbons from solid coal. The coal is pulverized to provide a particulate coal feed, which is then extruded to provide a hollow tube of compressed coal supported...
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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...
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5993722 |
Method for making ceramic heater having reduced internal stress
A ceramic heater device for use in a glow plug for a diesel engine has a gradually varying cross-sectional composition which eliminates distinct interfacial junctions between a resistive layer, an...
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5972263 |
Process for producing clay compositions for use in slip casting
A method of improving the strength and/or plasticity of a clay composition comprising a kandite clay and an organic additive comprising at least one water soluble compound having a plurality of...
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5955387 |
Microform composite with intermediate reinforcing fiber cloth
A ceramic composite is provided comprising ceramic fibers, glass microballoons and/or diatoms, bound together with a ceramic reinforcing cloth with a sol-gel ceramic binder. The composite is...
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5925310 |
Method of making a silicon carbide product
A method of making a perforated silicon carbide product in a shorter time and with less labor work to achieve a lower cost and high yield. Openings 13a, 13b are previously formed in a mold 11, and...
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5922258 |
Method and device for forming complex sanitary fittings
A method for forming complex-shaped sanitary fittings with a mold (10) that includes four parts (11, 12, 13, 14) made of porous resin capable of mutually self-centering by means of complementarily...
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5910275 |
Process for producing a sponge cloth
A sponge cloth of decrystallized cellulose modified by the acetyl group content, where the average degree of substitution is 0.2 to 1.5. The cloth does not contain any organic or inorganic sulfur...
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5906780 |
Process for producing a sponge
A sponge of decrystallized cellulose modified by an acetyl group content, where the average degree of substitution is 0.2 to 1.5. No organic or inorganic sulfur compounds are present in the sponge....
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5902524 |
Method and apparatus for heat treatment of an extrusion to extract chemicals and gases for injection into a second cold extrusion of inert media to combine and liquefy these in production of a product
A method and apparatus in which an extruder with vacuum evacuation and gas injection means is multi-charged with a plurality of materials to extrude these over streamlined fuel-admitting pipes to...
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5888435 |
Production of thermoformable components
The invention relates to a method for producing plate-shaped or contoured components from an aqueous suspension containing 20 to 50% by weight of natural fibers, up to 4% by weight of a fixing...
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5876643 |
Electromagnetic interference shielding
A foamed aqueous dispersion of a mixture of particulate plastics material is formed when the fibers are between 5% and 35% of the volume of the mixture, where no more than about 7% of the volume of...
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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...
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5866062 |
Process for producing shaped bodies of silicon dioxide
A shaped body of amorphous silicon dioxide, which has a chemical purity of at least 99.9% and a cristobalite content of at most 1% and which is impermeable to gas, is known. To provide shaped...
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5858289 |
Process for preparing compressed shape of ceramic fiber
A method is now disclosed for the making of compressed refractory fiber shapes, e.g., compressed ceramic fiber shapes, having a textured surface and an aggregate body. The shapes can be obtained by...
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5856253 |
Method of reinforcing molded body of ceramic and reinforced mold body of ceramic
A reinforced molded body of ceramic, which is to be fired, is produced by adding ceramic fibers to a matrix of ceramic. The ceramic fibers are composed of silicon, nitrogen, oxygen, and carbon, the...
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5853634 |
Method of forming light weight construction sheet goods from recyclable material
A building material and a method for its manufacture is provided wherein cellulosic, polymeric and acid wastes are treated and combined to produce a building panel which demonstrates low weight,...
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5851354 |
Method of manufacturing calcium silicate board
The object of the present invention is to improve the overall strength and interlaminar strength of a compact (green sheet) before hydrothermal reaction by using alunites, alums and aluminum...
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5849152 |
Process for the production of shaped bodies from biodegradable material and shaped body
The invention relates to a process for the production of shaped bodies, in particular packaging shaped bodies, from biologically decomposable material using a viscous mass containing biologically...
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5846658 |
Methods of preparing three-dimensional, macroscopic assemblages of carbon fibrils and the products obtained thereby
A method of making randomly oriented carbons fibrils having a cylindrical constant diameter with c-axes perpendicular to their cylindrical axis, which are free of pyrolytically deposited carbon,...
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5833805 |
Composite hollow moulded panels and methods of manufacture
A unique method of producing a reinforced moulded sheet having one continuously planar face and having a plurality of ribs or thickened areas which provide a corresponding plurality of prominences...
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5830309 |
Resin-based friction material
A friction material and process of forming a friction material embodies a slurry of aramid, acrylic and carbon fibers, together with kaolin clay and aluminum oxide used as fillers in a phenolic...
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5824347 |
Concrete form liner
A concrete form liner includes a microporous membrane having pores that transmit water, but prevent the passage of particles with a diameter of 2 microns or greater, and a porous sheet having pores...
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5820801 |
Reinforced thermoplastic molding technique method
A method and apparatus for binding the fibers of, and forming a fiber reinforced plastic structure. A fiber reinforced plastic preform is created by depositing a mixture of reinforcing fibers,...
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5817262 |
Process of producing gypsum wood fiber product having improved water resistance
A process is described for making a gypsum board having improved water resistance. The resulting gypsum board products are also described. The process comprises adding an aqueous siloxane emulsion...
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5814256 |
Process of producing preforms containing light weight filler particles
A method and apparatus of producing and using composite fibers in a liquid molding process. The composite fibers are formed from a base material and filler particles which are lighter or less...
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5800676 |
Method for manufacturing a mineral fiber panel
A method for manufacturing a mineral fiber panel which comprises uniformly dispersing in water 60 to 90% by weight of a mineral fiber, 2 to 19% by weight of an organic binder, 1 to 20% by weight of...
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5785911 |
Method of forming ceramic igniters
A method for forming thin green ceramic igniter shapes having a thickness characterized by a tolerance of no more than about +/-0.001 inch includes providing an apparatus having a porous mold...
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5776392 |
Method for producing insulating panels based on mineral and paper fibers
A method for producing insulating panels based on mineral fibers and paper fibers is disclosed. The panels are formed by preparing a suspension of mineral fibers, binders and conventional additives...
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5762841 |
Ceramic porous body having a continuous particle size distribution
A ceramic porous body is constituted of ceramic particles which have a substantially continuous, monotonic size distribution in the thickness direction of the porous body.
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5759481 |
Silicon nitride having a high tensile strength
A ceramic body comprising at least about 80 w/o silicon nitride and having a mean tensile strength of at least about 800 MPa.
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5753163 |
Production of bodies of refractory borides
A method of producing a self-sustaining body of refractory boride from the group consisting of the borides of titanium, chromium, vanadium, zirconium, hafnium, niobium, tantalum, molybdenum and...
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5741388 |
Process and apparatus for slip casting of ceramic parts
The apparatus according to the invention for the slip casting of ceramic parts has essentially a bell which is arranged on a holding device and is vertically displaceable and a plurality of mold...
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5733494 |
Methods of making preforms for resin transfer molding
Improvements relating to composite materials. In a first aspect of the invention a distinctive and a less costly RTM preform is provided, along with a method of making it. In a second aspect of the...
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5700409 |
Method of molding an article
A method of molding at article capable of enduring temperatures of at least 1250° F. without deformation or deterioration. High temperature resistant fibers cut to a length of one eighth of an...
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5670181 |
Apparatus and method for slip casting for ceramic objects
A method of slip casting for the manufacture of ceramic items, wherein the wall thicknesses are accurately determined by providing confined slip pool samples which visibly solidify on an external...
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5667548 |
Process for producing ceramic green compacts by double layer compression
The invention concerns the field of slip casting for producing green compacts. The disadvantage of state-of-the art slip casting is among others the need for removing the water through porous...
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5667814 |
Apparatus for making and collecting continuous fibers in the form of a rod-shaped batt
This invention relates to making backwindable rod shaped batts or logs from highly oriented flash-spun continuous fibers. The fibers are conducted from the exit of a spinneret through a tunnel and...
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5665292 |
Process for molding a solid cosmetic composition
A solid o/w-type cosmetic composition, a process for molding it, and a container used for aqueous-type solid cosmetics. The cosmetic composition comprises (a) a water-soluble solidifying agent...
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5662944 |
Sealing assembly for molds used for casting sanitary fixtures
A sealing assembly for molds used for casting sanitary fixtures including at least one female die which is capable of defining the molding cavity of the item as well as at least one male die which...
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5653924 |
Methods of manufacturing gradient function material
A disclosed gradient function material is produced by molding and thereafter firing a slurry which contains a plurality of groups of particles having different specific gravities. The plurality of...
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5637199 |
Sputtering shields and method of manufacture
Coated shields useful in a sputtering deposition chamber comprise a binder and particles of the same material as the target. Application of the coating material to interior surfaces and appliances...
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5635120 |
Process for forming a mullite-zirconia engine part
An improvement in a thermally insulating component for an engine part, made by sintering from ceramic materials, comprises, the thermally insulating component having a composition, consisting of a...
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5624613 |
Rigidized refractory fibrous ceramic insulation
A slurry is molded from ceramic fibers and/or microparticles to form a soft felt mat which is impregnated with a sol prior to drying the mat. A catalyst for the sol is caused to diffuse into the...
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