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| Number | Title | Issue Date |
| 7240520 | Method and device for pulverizing and granulating melts In a process for pulverizing and granulating melts, especially oxidic slag, glass, or thermoplastic melts, in which the melts are heated with burner (6) in an antechamber (5) and ejected as a shroud surrounding a propellant stream into a granulating ch... | 07/10/2007 |
| 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 |
| 6227009 | Method of making long, fine diameter glass fibers and products made with such glass fibers Relatively viscous glass is fiberized in a rotary fiberization process at relatively high disk speeds and through relatively large diameter holes to form long, fine diameter glass fibers which preferably are rapidly solubilized in biological fluids. The m... | 05/08/2001 |
| 5955011 | Evaporative cooling apparatus and method for a fine fiber production process Fine fibers are formed and carried in a high energy, high temperature gaseous stream to a primary fine fiber collection surface where fine fibers are collected from the gaseous stream. Gases of the gaseous stream along with fine fibers not removed from th... | 09/21/1999 |
| 5743932 | Method of making an insulation product from hollow fibers A method of making an insulation product of hollow fibers whereby molten insulation material is centrifuged through a plurality of orifices and gas is directed into the molten insulation material through a plurality of gas conduits, wherein each gas condu... | 04/28/1998 |
| 5693117 | Radial rotary fiberizer A rotary fiberizer includes a spinner for centrifuging fibers from molten material along a path generally coplanar with the spinner, and a pair of opposed annular blowers positioned on opposite sides of the path of the centrifuged fibers, with the blowers... | 12/02/1997 |
| 5688302 | Centrifuging process for forming fibers The method for forming fibers by introducing molten material into a spinner having a peripheral wall having a plurality of orifices and centrifuging the molten material through the orifices to create fibers, discharging gases from an opening in a first an... | 11/18/1997 |
| 5688301 | Method for producing non-woven material from irregularly shaped glass fibers An irregularly shaped glass fiber is provided which enjoys improved resiliency, and openness in pack structures. Wool packs and other wool portions having such irregularly shaped fibers may be processed directly through needling to form a non-woven materi... | 11/18/1997 |
| 5639291 | Method of and apparatus for forming composite and other fibers In a method of and an apparatus for forming composite and other fibers, individual filaments from two or more sets of continuous primary filaments of two or more heat-softenable fiberizable materials are brought together lengthwise to form pairs of contin... | 06/17/1997 |
| 5454848 | Method of making air filtration media by inter-mixing coarse and fine glass fibers A fiber glass air filtration media comprises a blanket of glass fibers with about 25% to 35% by weight of the glass fibers being fine glass fibers having an average diameter of less than 3.5 microns and about 65% to 75% by weight of the glass fibers being... | 10/03/1995 |
| 5395412 | Method and apparatus for the treatment of fiber pieces A method and apparatus for the treatment of fiber pieces, with which the fiber pieces (24) in a gas/solid mix are fed through a transport line (11) into a heating device (14). Inside the heating device (14) the exposed ends of the fiber pieces (24) are ro... | 03/07/1995 |
| 5296013 | Process and apparatus for the continuous production of mineral wool nonwovens A process and apparatus for the continuous production of mineral wool nonwovens in which the objective is to provide a process and an apparatus for the continuous production of mineral wool nonwovens, by means of which a stable flow pattern is created in ... | 03/22/1994 |
| 4886536 | Method of using evenly distributed air flow to condition glass filaments prior to application of sizing A method for forming continuous glass fibers is provided comprising the steps of supplying a plurality of streams of molten glass from a bushing, drawing the streams into continuous filaments, passing a stream of air across the continuous filaments in a d... | 12/12/1989 |
| 4853017 | Method and apparatus for the environmental control of fiber forming environment The present invention relates to an improved method and apparatus for controlling the air quality in the fiber forming zone of glass fiber manufacturing operation. The present invention provides a housing extending from the bushing to the applicator rolle... | 08/01/1989 |
| 4818218 | Internal combustion burners This invention relates to internal combustion burners. In the burners according to the invention, the combustible mixture flows in counter-current to the combustion gases while in contact with the same, and the introduction of the mixture into the combust... | 04/04/1989 |
| 4737178 | Method for manufacturing mineral fibers A method for manufacturing mineral fibers comprises controlling the bushing temperature to maintain molten glass throughput from a bushing at a constant, calculating the viscosity of the molten glass from the bushing temperature and the temperature of a g... | 04/12/1988 |
| 4508555 | Method and apparatus for scrubbing effluent gases from mineral fiber production Method and apparatus are disclosed for scrubbing effluent gases arising during the production of mineral fibers and particularly during the production of glass fiber insulation blankets or mats. The scrubbing is effected by the use of opposed jets of wate... | 04/02/1985 |
| 4168959 | Method and apparatus for distribution of glass fibers In the manufacture of glass fibrous products wherein gaseous streams of fibers are directed through conduits from a generally horizontal direction downwardly in a generally vertical direction towards a moving collection surface, the improvement wherein fo... | 09/25/1979 |
| 4120676 | Method and apparatus for producing blankets of mineral fibers A machine for forming mineral fibers into mats or blankets comprising a plurality of modules each including primary fiber formers, fiber attenuation means, binder applicators, and fiber collectors to produce continuous lengths of mat. A common conveyor is... | 10/17/1978 |
| 3999970 | Gas support gathering shoe for forming glass fibers and method for using same A gathering shoe is disclosed for combining glass filaments which have been attenuated from a bushing into a consolidated strand. The gathering shoe is formed of a porous material, preferably porous graphite, and has a central chamber or cavity within whi... | 12/28/1976 |
| 3985935 | Alkali resistant perlite - CaO vitreous fibers Alkali resistant glass fibers and mineral wool are produced from perlite by heating perlite ores until the melt viscosity is under 15 poise and impinging a stream of the melt with a gas at from 80 to 100 psig to produce the fibers.... | 10/12/1976 |
