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| Number | Title | Issue Date |
| 8056369 | Device for forming fiber felts Device intended for an installation for forming fibrous felts, the fibers being formed from a material that can be attenuated by internal centrifugation and by attenuation by means of a gas stream, the flow of fibers being in the form of a tubular veil, the device i... | 11/15/2011 |
| 7685844 | Method and device for producing mineral fibres A process for forming mineral fibers, in which at least one stream of vitrifiable material in the molten state is subjected to action of an attenuating gas flow in an attenuation zone. The gas flow in the attenuation zone is in the form of a vortex. Such a process m... | 03/30/2010 |
| 7261763 | Method for the recovery and recycle of helium and chlorine Methods for recovering and recycling helium and unreacted chlorine from a process for manufacturing optical fiber are disclosed. Helium-rich and chlorine-rich gas streams are recovered from the consolidation furnace and separated. The helium-rich stream is dried and... | 08/28/2007 |
| 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 |
| 6776013 | Aerodynamic mineral wool forming bucket A forming bucket for use in the preparation of gas attenuated fiber insulation products includes a tubular member having a fiber inlet and a fiber outlet. The tubular member has a conical portion disposed between the fiber inlet and the fiber outlet. The conical por... | 08/17/2004 |
| 6136735 | Glass fibres for reinforcing organic and/or inorganic materials The present invention relates to reinforcing glass yarns, the composition of which comprises the following constituents within the limits defined hereinbelow, expressed in percentages by weight: ______________________________________ SiO2 | 10/24/2000 |
| 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 |
| 5691255 | Man-made vitreous fiber wool The production and physiological dissolution rate of mineral wool formed of MMV fibers containing 35-66% SiO2, up to 10% A12 O3, 10-45% CaO, 2-30% MgO, up to 10% FeO, 0-7% Na2 O+K2 O and 0-10% TiO | 11/25/1997 |
| 5630856 | Self-supporting filter composite A filter composite comprising a first layer of glass fibers having random orientation, the layer being porous to gas flow therethrough; a porous mat of sufficient stiffness as to support the glass fiber layer during use as a filter, the mat consisting of ... | 05/20/1997 |
| 5605556 | Linear ramped air lapper for fibrous material A method and apparatus for distributing fibrous includes establishing a flow of fibrous material, positioning at least one flow distributor in a position to direct at least one gaseous flow into contact with the flow of fibrous material to distribute the ... | 02/25/1997 |
| 5603743 | High frequency air lapper for fibrous material A method and apparatus for distributing fibrous material includes establishing a flow of fibrous material, positioning at least two flow distributors in a position to direct a gaseous flow into contact with the flow of fibrous material, such as a flow of ... | 02/18/1997 |
| 5472467 | Self-supporting filter composite A filter composite comprising a first layer of glass fibers having random orientation, the layer being porous to gas flow therethrough; a porous mat of sufficient stiffness as to support the glass fiber layer during use as a filter, the mat consisting of ... | 12/05/1995 |
| 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 |
| 5368623 | Process and apparatus for the continuous production of mineral wool nonwovens 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 the chute, thus facilitating a clearly defined, homogeneous layer of deposited mineral wo... | 11/29/1994 |
| 5302332 | Method for manufacturing a mat-like product containing mineral fibers and a binding agent In the method for manufacturing a product in the form of a mat containing mineral fibers and a binding agent, the binding agent is mixed with the fibers before the formation of the product. The material used as the binding agent includes thermoplastic par... | 04/12/1994 |
| 5056195 | Mineral fiber collection process and device A collection process for collecting mineral wool fibers produced by an aligned plurality of fiber making machines includes the steps of entraining the fibers produced by each of the fiber making machines in a gas, drawing the gas through a gas permeable c... | 10/15/1991 |
| 4971615 | Method and means for producing mineral wool A method and means for producing mineral wool from coal slag is described wherein molten coal slag is transferred from a coal slag tank in an electrical generation plant. The molten coal slag is transferred to a fiberization apparatus and is heated during... | 11/20/1990 |
| 4650510 | Method and apparatus for manufacturing heat-resistant and/or fire-resistant fibre materials The invention relates to a method for manufacturing heat-resistant and/or fire-resistant fibre materials, when the employed initial material is molten slag from metal processes. According to the invention, the slag holding furnace (5) is used for achievin... | 03/17/1987 |
| 4452622 | Method of making highly reactive ion-leachable glass A method is provided for producing a highly reactive, ion-leachable glass for cement compositions. The method contemplates blending together a mixture of ion-leachable, inorganic compositions, forming the blended mixtures into shaped charges, heating the ... | 06/05/1984 |
| 4382809 | Method and apparatus for the production of mineral fiber felts having fiber-leveling device An apparatus for the production of mineral fiber or wool felts, blankets or batts having uniform thickness and density, comprising means for fiberizing the mineral composition, a housing defining a chamber into which the fibers are introduced, a foraminou... | 05/10/1983 |
| 4357154 | Method and apparatus for collecting and handling mineral fibres A method and an apparatus for collecting and handling partly fibrated material which is formed by a partial fibrating of a mineral bloom (1), whereby the partially fibrated material is collected and brought into suspension in a water bath (11) in which th... | 11/02/1982 |
| 4270888 | Apparatus for producing filaments Process and apparatus are provided for producing filaments comprising: supplying a plurality of streams of molten material; attenuating said streams of material into continuous filaments through the action of a stream of fluid moving from an attenuation m... | 06/02/1981 |
| 4256478 | Method for forming stable high-velocity gas stream A method for forming a high-velocity gas stream stably, which comprises jetting out a gas having an oxygen content of 0 to 2% by volume under pressure from a jet opening having an inside wall made of a platinum-group metal and maintained at a high tempera... | 03/17/1981 |
| 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 |
| 3935139 | Binder compositions A process is disclosed for forming bonded fibre and fibre products by utilisation of an improved process for neutralising the catalyst employed in forming the A stage phenol-aldehyde resin or condensate. This condensate is the actual bonding agent which, ... | 01/27/1976 |
