Class 65/469 - By slinging or rotary-centrifugal fiber distribution (i.e., without fluid blast)

Subclass of Class 65 - Glass manufacturing
Definition: Processes wherein the fibers are formed by (a) throwing
No. of patents: 25
Last issue date: 12/27/2011

Number	Title	Issue Date
8082760	Method and apparatus for the production of man-made vitreous fibre products A non-woven product having a core layer (32) containing dense particulate additive between adjacent layers (33) which are substantially free of additive is made by fiberizing a mineral melt on a spinner (1) comprising at least one fiberizing rot...	12/27/2011
7210314	Fiberizer thermocouple support frame An apparatus for positioning a sensor proximate to a fiberizer includes a support means for supporting a sensor, adjustment means for adjusting a position of the sensor, and attachment means for attaching the apparatus to a fiberizer. The adjustment means is coupled...	05/01/2007
7174747	Use of corrugated hose for admix recycling in fibrous glass insulation The present invention relates to a method for improving the thermal performance of fibrous glass insulation in the admix recycling of the insulation, which includes the use of corrugated hose in the recycling process. ...	02/13/2007
6284684	Mineral wool composition Mineral wool capable of dissolving in a physiological medium, which mineral wool comprises the constituents below in the following percentages by weight: SiO2 39-55%, preferably 40-52% Al2 O3	09/04/2001
6202448	Making mineral fibers including adjustment of the position of a stream of glass and a rotor The production of mineral fibers by centrifuging on rollers (3, 4, 5, 6) with horizontal axes from a stream (1) of molten material includes determining the relative position of the stream (1) of molten material in relation to the first roller (3), and con...	03/20/2001
6156683	Man-made vitreous fibres Man-made vitreous fibers have a solubility at pH 4.5 of at least 20 nm per day, a liquidus temperature of below 1300° C., a viscosity at the liquidus temperature of about 300 poise, and a composition which includes at least 15% by weight Al2 O...	12/05/2000
6125658	Glass furnace and installation comprising same The invention relates to the electric melting technique, in which the melting energy is dissipated in the bath of melted glass as a result of the Joule effect by means of electrodes which dip through the surface of the bath. According to the invention, th...	10/03/2000
6107224	Glass compositions for high thermal insulation efficiency glass fibers Glass compositions displaying decreased far infrared radiation transmission, high biosolubility, and excellent moisture resistance are capable of fiberization by the rotary process, and may be used to prepare thermal insulation products exhibiting high th...	08/22/2000
6074967	Production of rock wool A method of processing material for use in production of rock wool, comprises providing the material in finely divided form; mixing the finely divided material with a fibrous binding agent; and forming the mixture into solid blocks. The resulting blocks (...	06/13/2000
5987927	Method of making fibers with deducing the position of the point of impact of a stream of molten material The production of mineral fibers by centrifuging on rollers (3, 4, 5, 6) with horizontal axes from a stream (1) of molten material includes determining the relative position of the stream (1) of molten material in relation to the first roller (3), and con...	11/23/1999
5954852	Method of making fibers from mineral melts which have a viscosity of not more than 18 poise at 1400° C. Man made vitreous fibers are made using a cascade of rotors (4, 5, 6, 7) from melt poured onto the top rotor (4) wherein the melt has a low viscosity (not more than 18 poise) at 1400° C. and has a viscosity of not more than 10 poise on the top rotor (4),...	09/21/1999
5932499	Glass compositions for high thermal insulation efficiency glass fibers Glass compositions displaying decreased far infrared radiation transmission, high biosolubility, and excellent moisture resistance are capable of fiberization by the rotary process, and may be used to prepare thermal insulation products exhibiting high th...	08/03/1999
5690715	Glass fiber manufacturing process and plant In a process for producing insulating materials with environmentally safe binding components, a long-chain starch is used as binder, besides silicone. The starch is heated up to 50° to 60° C., held at this temperature and sprayed on the glass fibers sep...	11/25/1997
5468274	Process and apparatus for making mineral wool fibres The invention relates to fiberizing apparatus for forming mineral wool and a process using that apparatus. The apparatus comprises a set (1) of at least three rotors mounted for rotation about respective horizontal axes. Melt is poured onto the top rotor ...	11/21/1995
5352260	Manufacture of mineral fiber The initial stages in the manufacture of a glass-like mineral fiber suitable for a multiplicity of industrial uses are essentially conventional; a charge of raw minerals (igneous rock, basalt, slag from a blast furnace or other metal working furnace, phos...	10/04/1994
5274896	Destruction and re-use of mineral wool scrap A method of destructing mineral-wool scrap and reusing the scrap in the manufacture of mineral wool includes introducing the mineral-wool scrap in a finally divided state into a container causing the finely-divided mineral-wool scrap to pass through a hea...	01/04/1994
5118332	Composite brazed spinner Composite spinners for use in forming glass fibers are formed by transient liquid phase bonding of an oxide dispersion strengthened foraminous sidewall portion to a non-oxide dispersion strengthened bottom wall portion....	06/02/1992
4904290	Cobalt based alloys with critical carbon content for making and using in glass fiber production Cobalt based alloys which include chromium, nickel, tungsten, tantalum, zirconium, carbon and boron are provided which are suitable for forming spinners to be used in forming glass fibers. The alloys contain critically important amounts of carbon which ma...	02/27/1990
4516996	Formation of molded glass fiber parts from glass fiber blankets and product Molded glass fiber parts are formed by depositing a phenolic resin and liquid polyisocyanate on the glass fibers as they are emitted from a fiber forming means, accumulating the glass fibers as a pack and molding the pack in contact with a tertiary amine ...	05/14/1985
4298367	Method of and device for cleansing in a fibre blanket manufacturing plant In a plant of making a blanket from fibres which are thrown or set together with polymerizable binder particles or droplets onto a perforated conveying belt, a method of cleansing consisting in: associating means for sucking air loaded with fibre dust and...	11/03/1981
4244720	Fiber waste and cullet collection process and apparatus therefor A process and apparatus therefor are described for reclaiming waste material from a fiberizing system and for converting a molten stream of material into reclaimable cullet when the system is not fiberizing. When the system is fiberizing the waste is coll...	01/13/1981
4238213	Method of operation of a refractory fiber production process An improved process for the centrifugal spinning of refractory fibers is described. In the improved process rotor circumferential speeds of at least about 21,000 linear feet per minute (6,400 linear meters per minute) are used. In a preferred embodiment t...	12/09/1980
4124363	Method and apparatus for manufacturing inorganic fiber through pendent process and apparatus for carrying out the same A method and an apparatus for manufacturing an inorganic fibers through a pendent process wherein melted glass is allowed to flow down by its own weight in a state of fine streams through a plurality of nozzle holes perforating through the bottom of a gla...	11/07/1978
4029495	Process for recovering a heavy metal catalyst component from a spent catalyst A supported catalyst contaminated with organic impurities or a mixture of such a catalyst and a flux is introduced into a rotary furnace, rocking furnace or gradient furnace and agitated and heated therein until sintered or transformed into a semi-melted ...	06/14/1977
4026478	Process for making uniform short non-cellulosic fibers The present invention concerns a novel method of making short inorganic glass fibers and mineral wool fibers with a very low shot content and the fibers thus produced....	05/31/1977

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Class 65/469 - By slinging or rotary-centrifugal fiber distribution (i.e., without fluid blast)