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7297305 Electrospinning in a controlled gaseous environment  
Apparatus and method for producing fibrous materials in which the apparatus includes an extrusion element configured to electrospin a substance from which the fibers are to be composed by an...
7223376 Apparatus and method for making carbon fibers  
A method and apparatus for the carbonization of polyacrylonitrile (PAN) precursor fibers. The apparatus comprises a furnace, or series of furnaces in side-by-side arrangement. Each furnace includes...
7207424 Manufacture of carbon/carbon composites by hot pressing  
A mixture of carbon-containing fibers, such as mesophase or isotropic pitch fibers, a suitable matrix material, such as a milled pitch is compressed while resistively heating the mixture to form a...
7198739 Manufacture of thick preform composites via multiple pre-shaped fabric mat layers  
Preform for carbon-carbon composite part ( 55 ) comprising multiple layers of fibrous mats ( 51, 52, 53 ) wherein each mat ( 51, 52, 53 ) comprises random carbon-containing fibrous matrix ( 11 )...
7067077 Process for manufacturing friction material suitable for use as brake lining  
Carbon-silicon carbide brake preforms are manufactured by carbonizing a blend of carbon (e.g., polyacrylonitrile) fibers and thermosetting pitch resin, optionally along with a lubricant such as...
7056455 Process for the preparation of nanostructured materials  
The present invention comprises a novel process for the preparation of carbon based structured materials with controlled topology, morphology and functionality. The nanostructured materials are...
7011786 Process for producing shaped bodies comprising fiber-reinforced ceramic materials  
Process for producing shaped bodies comprising fiber-reinforced ceramic materials, where a green body is produced in a first step by introducing a press moulding composition into a mold, where the...
7011785 Process for producing hollow bodies comprising fiber-reinforced ceramic materials  
Process for producing hollow bodies comprising fiber-reinforced ceramic materials, where mold cores whose shape corresponds to that of the hollow spaces are produced in a first step, at least one...
7001544 Method for manufacturing carbon-carbon composites  
A method for manufacturing carbon-carbon composites includes steps of producing a mat using carbon fiber, carbon fabric, carbon sheet, or staple fiber; laminating at least three layers of mats;...
6881361 Method for producing shaped bodies  
The invention relates to a method for producing shaped bodies, especially threads or foils, from at least one polymer of the groups consisting of polysaccharide, polysaccharide derivative or...
6878331 Manufacture of carbon composites by hot pressing  
A mixture of carbon-containing fibers, such as mesophase or isotropic pitch fibers, a suitable matrix material, such as a milled pitch is compressed while resistively heating the mixture to form a...
6818085 Fiber-reinforced structural component  
A process for producing a fiber-reinforced, ceramic structural component comprising high-temperature resistant fibers which are reaction-bonded to a matrix of silicon carbide comprises the steps of...
6797094 Process for the production of a braking band with venting passages and braking band obtained with said process  
The present invention relates to a process for the production of a braking band for a brake disk with venting passages and to a braking band which can be produced by the process. The process...
6695992 Process and apparatus for the production of nanofibers  
An apparatus for forming a non-woven mat of nanofibers by using a pressurized gas stream includes paralell, spaced apart, first, second, and third members, each having a supply end and an opposing...
6660355 Wear resistant articles  
An annular body, and method of making same, comprising at least one wear surface portion, the portion comprising a plurality of layers held in a matrix, each layer consisting essentially of fibres...
6635199 Process for producing a precursor fiber bundle and a carbon fiber bundle  
A separable tow of elongated polymeric filaments comprises a plurality of distinct sub-tows lightly and individually and separably joined, as by light crimping together along their edges or, if...
6527988 Process of making carbon fiber with sharp ends  
Carbonaceous fibers having sharp ends and which are useful as an electron-emitting material, for example, in cold-cathode display devices. Carbonaceous fibers having a structure such that planes...
6524501 Pitch fiber bundle and pitch type carbon fiber bundle and method for production thereof  
This invention provides a pitch fiber bundle for carbon fibers of small size, a carbon fiber bundle, and a method for the production thereof, i.e. a method for the production of carbon fibers of a...
6506323 Method for making micrometer-sized carbon tubes  
A method for making micrometer-sized carbon tubes is disclosed. A natural or synthetic fiber is first coated with a thermally stable coating material to form a coating layer over the fiber. Such...
6503624 Carbon fiber precursor fiber bundle and manufacturing method of the same  
The carbon fiber precursor fiber bundle of the present invention is an acrylonitrile-based fiber bundle wherein the ratio of the length and width of the fiber cross section of a monofilament...
6485592 Precursor fiber bundle for manufacture of carbon fiber, manufacturing apparatus and method of manufacturing carbon fiber bundle  
A continuous precursor fiber bundle for manufacture of carbon fibers comprising a plurality of precursor fiber bundles each of which comprises at least 30,000 filaments, having a joined portion...
6479148 Rocket assembly ablative materials formed from solvent-spun cellulosic precursors, and method of insulating or thermally protecting a rocket assembly with the same  
A rocket motor assembly is insulated or thermally protected with a rocket motor ablative material formed from a prepreg. The prepreg contains at least an impregnating resin matrix and, as a...
6464908 Method of molding composites containing carbon fibrils  
A composite that includes a reaction injection molded matrix into which carbon fibrils have been incorporated, and a molding composition suitable for preparing such a composite. The invention also...
6375875 Diagnostic monitor for carbon fiber processing  
A method for monitoring characteristics of materials includes placing a material in an application zone, measuring a change in at least one property value of the application zone caused by placing...
6361722 Methods of producing carbon-carbon parts having filamentized composite fiber substrates  
A method of producing a carbon-carbon part having a filamentized composite fiber substrate is provided. A substrate having a plurality of discontinuous filamentized fibers and a binder that binds...
6270652 Organometallic containing mesophase pitches for spinning into pitch carbon fibers  
An improved process is disclosed for producing a unique metals-containing anisotropic pitch suitable for carbon fiber manufacture. Soluble, aromatic-organometallic compounds are added to a...
6245385 Method for making shaped carbides of cohesively intertangled single fibers  
Cellulosic single fibers such as cotton is prepared without any resins or pitches to a mass or bulk such as a lap which is self-shaped and retains its form by a force of cohesive intertanglement of...
6241923 Process for the production of carbon fibers  
A process for the production of carbon fibers, including melt-spinning mesophase pitch having an optically anisotropic content of at least 90%, a softening point of 190° C. to 280° C. and a...
6171696 Method for producing carbon fiber, carbon fiber, prepreg, and molded article from fiber-reinforced composite material  
The resent invention provides a carbon fiber which enables a molded article produced from a fiber-reinforced composite material using the carbon fiber to exhibit excellent flexibility and to be...
6077463 Process for producing graphite material for negative electrode used in lithium secondary battery  
A process for producing graphite materials for a negative electrode used in a lithium secondary battery which process includes the steps of packing carbon materials having an average particle...
6054214 Process for the preparation of carbon fiber  
A process for preparing high strength carbon fiber from PAN-fiber wherein the time of the oxidation step is reduced from 30-90 minutes to about 8-15 minutes and product prepared therefrom.
6051167 Process of making carbon-carbon composites  
A carbon composite structure, for example, an automotive engine piston, is made by preparing a matrix including of a mixture of non crystalline carbon particulate soluble in an organic solvent and...
6039823 Composite article  
The graphitized composite article of the present invention is formed by embedding carbon fiber felt in a matrix of a carbon filler; a thermosetting resin and a solvent; curing the composite...
6013371 Carbon artifacts and compositions and processes for their manufacture  
Producing of near net shape carbon (optionally carbon--carbon composite) pistons and other artifacts by sintering (with or without carbon fibers, preferably pitch-based carbon fibers and most...
5951959 Mesophase pitch-based carbon fiber for use in negative electrode of secondary battery and process for producing the same  
A mesophase pitch-based carbon fiber for use as a material for a negative electrode of a secondary battery, and a process for producing the same. The mesophase pitch-based carbon fiber comprises a...
5868967 Carbon thread and process for producing it  
In a carbon thread, vapor phase growth carbon fiber (VGCF) are dispersedly contained in a carbon matrix. The carbon thread is produced by forming a thread-like element from a mixture of VGCF and...
5824245 Processes for preparing milled graphite fibers  
Disclosed is a process for preparing milled graphite fibers in which the amount of metallic components contained in the milled carbon fibers before graphitizing is limited to not more than...
5814408 Aluminum matrix composite and method for making same  
An aluminum matrix composite is provided comprising a preform formed from interwoven mats of graphitized vapor grown carbon fibers. The mats comprise semi-aligned, semi-continuous vapor grown...
5776383 Method for producing shaped parts made of a graphitized carbon/carbon composite material  
Method for producing a shaped part made of a graphitized carbon/carbon composite material in which a compound of carbon fibers is prepared impregnated with a solution of carbon precursors and then...
5766523 Blow spinning die and process for spinning carbon fibers from solvated pitches  
The present invention provides a blow spinning die particularly suited for spinning solvated pitch into fibers having a random cross-sectional structure. Additionally, the present invention...
5763103 Biregional precursor fiber having an outer oxidation stabilized region and method of manufacture  
A novel flexible biregional carbonaceous fiber is disclosed comprising an inner core region of a thermoplastic polymeric material and an outer region of a carbonaceous sheath. The flexible...
5733484 Method for manufacturing carbon preform and carbon/carbon composite material  
A method for manufacturing a carbon preform comprising the steps of charging a container with pitch fibers obtained by melt spinning a carbonaceous pitch to fill therein during spinning,...
5707568 Preparation of substantially polycrystalline silicon carbide fibers from methylpolysilanes  
A process for the preparation of substantially polycrystalline silicon carbide fibers is provided. The fibers may be fabricated to have a small diameter and are thermally stable at high...
5705120 Method of producing graphite fiber-reinforced fluororesin composites  
The graphite fiber-reinforced fluororesin composite including 99 to 40 parts by weight of a fluororesin, e.g. polytetrafluoroethylene, and 1 to 60 parts by weight of a graphite fiber. The graphite...
5705106 Heat-insulating structural carbon material and process for producing heat-insulating structural carbon material  
The invention relates to a heat-insulating structural carbon material and the process for producing thereof. This heat-insulating structural material is prepared from a suspension of discrete...
5683778 Braided graphite-foil and method of production  
An improved method and apparatus for the production of a strand of reinforced graphite-foil yarn which is the basis of the braided graphite-foil yarns. To produce the reinforced graphite-foil...
5674438 Process for preparation of metal carbide fibers  
This invention relates to a process for forming metal or non-metal carbide fiber from the corresponding metal or non-metal.
5636437 Fabricating solid carbon porous electrodes from powders  
Fabrication of conductive solid porous carbon electrodes for use in batteries, double layer capacitors, fuel cells, capacitive dionization, and waste treatment. Electrodes fabricated from low...
5622660 Process for producing carbon fiber fabrics  
A process for producing a process for producing a two- or three-dimensional carbon fabric, which process includes melt-spinning (a) an optically anisotropic carbonaceous pitch having an optically...
5605755 Low cost, asbestos free friction material  
A fiber blend for use in friction materials. The fiber contains a blend of a highly fibrillated fiber, such as a fibrillated polyacrylonitrile fiber and a fiber with a high carbon content, such as...
Matches 1 - 50 out of 380 1 2 3 4 5 6 7 8 >