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| Number | Title | Issue Date |
| 8042363 | Composition and method for producing continuous basalt fibre The invention relates to producing continuous organic fibers by stretching from molten minerals. These fibers can be used for producing heat resistant threads, rovings, cut fibers, fabrics, composite materials and products based thereon. The inventive glass has the ... | 10/25/2011 |
| 8033140 | Method for the production of mineral wool and iron from serpentine ore Magnesium silicate mineral wools having a relatively high liquidus temperature of at least about 1400° C. and to methods for the production thereof are provided. The methods of the present invention comprise melting a magnesium silicate feedstock (e.g., comprising ... | 10/11/2011 |
| 7810356 | Process and apparatus for producing porous quartz glass base The present invention provides a process for producing a porous quartz glass base, which comprises hydrolyzing a silicon compound in an oxyhydrogen flame in a reaction furnace to generate and deposit fine silica particles on a starting member, thereby forming a poro... | 10/12/2010 |
| 7251959 | Washwater neutralization system for glass forming line A neutralization system for controlling the pH of the washwater used to clean and maintain polyacrylic bound glass forming equipment. The neutralization system introduces a base solution to a washwater solution when the pH of the washwater solution contained in a cl... | 08/07/2007 |
| 7221448 | Test cell for a noble gas polarizer The invention relates to a sample cell with a glass body comprising a gas inlet and a gas outlet and at least one orifice, a plane glass window is fused into the orifice, the shape and size of the window corresponds to the shape and size of the orifice, the orifice ... | 05/22/2007 |
| 7093412 | Glass base material packing method A method of packing a glass base material (10, 20, 30), which is a base material of an optical fiber comprising packing the glass base material (10, 20, 30) into a cylindrical container (16, 26, 36). The packing has: putting the glass base mater... | 08/22/2006 |
| 7017371 | Method for producing a glass Glass produced on basis of a raw material in form of a mixture of mainly mineral-containing components comprising sludge from e.g. purification plants and waste products from the industry, and having a determined chemical composition adjusted on basis of knowledge o... | 03/28/2006 |
| 7010940 | Process for producing glass and glass-melting apparatus thereof A process for producing a high-quality glass from highly reactive raw materials and a glass-melting apparatus for use therewith, comprising the step of charging a material for the glass to a molten glass in a heated vessel, (1) wherein an oxidizing gas is bubbled in... | 03/14/2006 |
| 6916758 | Fibrous catalyst-immobilization systems The present invention provides a fibrous catalyst-immobilization system that can be employed for immobilizing catalysts that are subject to fluid flow within a chemical production process. The fibrous systems can be synthesized using electrospinning and the catalyst... | 07/12/2005 |
| 6907174 | Optical fiber An optical fiber that contains a core of polycarbonate and a coating is disclosed. The coating is a polymer that contains structural units conforming to specified formulae. Also disclosed is a method for preparing the inventive fibers and the use thereof for transmi... | 06/14/2005 |
| 6790901 | Fiber-treating agent, glass fiber and rubber product both made with the fiber treating agent A glass fiber containing a fiber processing agent for increasing the surface strength of a rubber product, such as a rubber belt or a tire, and a rubber product containing the glass fiber. The fiber processing agent is comprised of a dispersion solution having a 2-c... | 09/14/2004 |
| 6742362 | Coating for tools used to process heat treated glass The invention relates to a coating for tools that are used to process heat treated glass, e.g., molten glass or the like, to reduce the adhesion of said glass. The coating consists at least partially of a system of carbon-based layers and/or hard materials containin... | 06/01/2004 |
| 6698245 | Production of vitreous fibres using high halogen mineral waste as an ingredient Rock fibres are made from a melt formed from a blend of low and high halogen waste materials. 80 to 98% are low halogen materials (containing less than 0.5 wt. % halogen) and 2 to 20% are high halogen materials (containing at least 1 wt. % halogen).... | 03/02/2004 |
| 6603903 | Fabrication of photosensitive strong grating couplers Systems devices and methods in accordance with the invention impart high strength index of refraction patterns to photosensitive optical devices, such as Bragg gratings written in optical fibers. A length of small diameter fiber retaining photosensitivity... | 08/05/2003 |
| 6546756 | Method of making an optical fiber, with storage in a new bag Disclosed is a method of protecting glass optical fiber preforms and glass precursor elements for making optical fiber preforms, wherein the preform or glass precursor element is stored within a protective bag. The protective bag preferably has anti-stati... | 04/15/2003 |
| 6381989 | Heat treated fibers for reinforced dental restorations and method of manufacture thereof A method for processing a glass fiber material, wherein the glass fiber material has been heat treated at a temperature less than or equal to the annealing temperature of the glass for a length of time effective to prevent separation and fraying of the ed... | 05/07/2002 |
| 6314765 | Method and apparatus for controlling the shape and position of a deformable object A method and apparatus for controlling the shape and position of a deformable object are described. At least a portion of an object is heated to a temperature sufficient to render the heated portion deformable by a force. An image profile of the heated po... | 11/13/2001 |
| 6277777 | Boron-free glass composition and filtration media Novel boron-free glass compositions are described which are particularly suited for making fine diameter glass fibers for HEPA electronic clean-room filtration media using flame-attenuation or rotary glass processing.... | 08/21/2001 |
| 6133177 | Process for removing organic impurities while melting mineral compositions A process for the preparation of molten mineral compositions wherein organic impurities are removed by reaction with oxygen introduced via the decomposition of calcium peroxide.... | 10/17/2000 |
| 6034014 | Glass fiber composition The glass compositions of the present invention contain at least 2.0 wt % Al2 O3 to give resulting glass fiber an acceptable chemical durability for product performance, but no more than 3.0 wt % to ensure the fiber maintains a relat... | 03/07/2000 |
| 5948134 | Apparatus for forming a fiber optic coupler by dynamically adjusting pulling speed and heat intensity Fused biconical tapered couplers formed from the pulling of heated optical fibers have controllable coupling ratios by dynamically adjusting the heat intensity and pull speed during fabrication. Fiber coupler fabrication begins by arranging two optical fi... | 09/07/1999 |
| 5609934 | Method of manufacturing heat bonded glass fiber insulation boards An insulation panel is formed comprising a binderless, heat bonded glass fiber insulation board encapsulated within a partially evacuated, gas-tight envelope. The insulation board is formed by laying down discrete length glass fibers into a thin glass fib... | 03/11/1997 |
| 5529594 | Method for producing mineral fibers having gaseous occlusions The mineral fiber forming apparatus having electrodes for heating heat softenable mineral material to form a molten mineral mass is disclosed. Organically-coated glass fiber scrap and cullet are supplied to the vessel providing the heat softenable mineral... | 06/25/1996 |
| 5346864 | Process of production of a glass intended to be transformed into continuous or stable fibers The invention provides a process which makes it possible to regulate the degree of oxidation-reduction of a glass during its production. According to the invention, which relates to glasses intended to be transformed into continuous or staple fibers containing... | 09/13/1994 |
| 5246653 | Apparatus for the continuous production of mineral wool nonwovens An apparatus and a process for the continuous production of mineral wool nonwovens in the nonwoven formation process on the drums of the accumulating conveyors arranged at the lower end of a chute. Several fiberization units (1, 2, 3, 4) communicate with ... | 09/21/1993 |
| 5215563 | Process for preparing a durable glass composition A process for preparing an improved durable glass composition is described. In the first step of the process, a glass batch containing from 40 to 80 mole percent of phosphorous and from 3 to 40 mole percent of iron is provided. In the second step of the p... | 06/01/1993 |
| 5075076 | Novel palladium-based alloys containing tin and their use in the glass industry The invention relates to a novel palladium-based alloy. This palladium-based alloy comprises tin in an amount, preferably of 5 to 20% by weight, which is sufficient to impart an acceptable resistance to corrosion by molten glass, preferably being essentially e... | 12/24/1991 |
| 5011523 | Process and device for producing a yarn or ribbon formed from reinforcement fibers and a thermoplastic organic material The invention relates to an apparatus and process for the direct production of a composite yarn or ribbon of continuous reinforcement fibers and a thermoplastic organic material. The process includes drawing reinforcement fibers from molten glass, driving... | 04/30/1991 |
| 4886535 | Feeder for glass fibers and method of producing A method of fabricating a glass fiber forming feeder is provided comprising positioning a refractory metal core between oxygen impervious, precious metal layers to form a pre-laminate unit, said core having apertures extending therethrough; cold isostatic... | 12/12/1989 |
| 4853001 | Porous inorganic siliceous-containing gas enriching material and process of manufacture and use A hollow, porous, silica-rich fiber and a process for separating at least one gas from a gaseous mixture utilizing the hollow, porous, silica-rich fiber result in gas separations with good permeability and good selectivity. The hollow, porous, silica-rich... | 08/01/1989 |
| 4842620 | Process of gas enrichment with porous siliceous-containing material A hollow, porous, silica-rich fiber, a process for producing same, and a process for enriching at least one gas from a gaseous mixture utilizing at least one fiber to result in gas separations with good permeability and good selectivity. The fiber is non-... | 06/27/1989 |
| 4822388 | Method of operating mineral wool cupolas and using spent electrolytic aluminum pot lining The operation of mineral wool cupolas is improved in several respects and a waste material is efficiently disposed of by using spent pot lining from electrolytic aluminum reduction vessels in the mineral wool cupolas as a partial or complete replacement f... | 04/18/1989 |
| 4818221 | Processes and devices for melting materials capable of forming fibers An improved charging process for an enclosure for melting materials such as blast furnace slags or basaltic glasses. The supply of combustive gas is carried out nonuniformly in order to create a gas circulation velocity gradient in the section of the cupo... | 04/04/1989 |
| 4650508 | Method and apparatus for changing bushings An apparatus for changing bushings in a glass melting furnace is disclosed. A support attached to the furnace holds the bushings beneath an opening in the forehearth. A replacement bushing is placed in the framework, translated next to the operating bushi... | 03/17/1987 |
| 4650509 | Fluid lamp fabrication method A method for making a fluid lamp assembly which includes a fiberglass wick, consisting of approximately 100 individual fibers in a bundle, is inserted in a glass tube, adjusted with its tip a desired distance above opening, and fused in place by heating t... | 03/17/1987 |
| 4560606 | Basalt compositions and their fibers Fiberizable basalt compositions are disclosed. The fibers are produced from natural basalt rock modified with alkaline earth metal oxides. The fibers can be used to make low density composites for ceiling tile or boards.... | 12/24/1985 |
| 4526597 | Gas injection in fiber forming A method and apparatus for forming fibers includes a spinner having a porous member positioned therein in a region normally covered by molten glass, and means for supplying a gas to the porous member under pressure sufficient to cause introduction of the ... | 07/02/1985 |
| 4515611 | Method of making glass fibers A method of making feeder for supplying a plurality of streams of molten inorganic material to be attenuated into filaments is disclosed comprising inserting elements in apertures in a member; sealing said elements and member within a coating adapted to i... | 05/07/1985 |
| 4496633 | High density load bearing insulation peg A high density peg which can support a large load and exhibits excellent thermal resistance produced by a method wherein the peg is made in compliance with specified conditions of time, temperature and pressure.... | 01/29/1985 |
| 4463048 | Manufacturing a laminated pack of mineral fibers and resulting product A method and apparatus for producing a laminated pack of mineral fibers comprising two sections, each having a forming conveyor, a plurality of sources of mineral fibers positioned to successively deposit the fibers onto the forming conveyor to form a lay... | 07/31/1984 |
