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| Number | Title | Issue Date |
| 7314557 | Method and device for forming mineral wool A device for internal centrifugation of mineral fibers including a centrifuge equipped with a peripheral band perforated with orifices distributed in a plurality of annular zones arranged on top of each other, assuming that the centrifuge is in centrifugation positi... | 01/01/2008 |
| 6862901 | Process and apparatus for producing glass fibers A process and an apparatus for producing glass fibers by centrifugal force are provided. Molten glass is fed into a hollow cylinder of rotating member which rotates at high speed by means of a driving device and is heated. The molten glass is ejected to an outside o... | 03/08/2005 |
| 6596048 | Device and method for the centrifuging of mineral fibers The present invention relates to a device for the internal centrifugation of fine mineral fibres, a method for forming fine mineral fibres, and paper containing fine mineral fibres.... | 07/22/2003 |
| 6367288 | Method and apparatus for preventing burner-hole build-up in fused silica processes In furnaces for producing high purity fused silica glass boules, glass particles have a tendency to build-up adjacent the burner hole rim. It was discovered that unburned furnace gases containing silica particles where re-circulated in the furnace close t... | 04/09/2002 |
| 6245282 | Apparatus and method for forming fibers from thermoplastic fiberizable materials Fibers are produced a from molten thermoplastic fiberizable material in a rotary fiberizing process by passing the fiberizable material through rows of fiberizing holes in an annular sidewall of a fiberizing disk. A first manifold supplies a combustible g... | 06/12/2001 |
| 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 |
| 5900037 | Method and apparatus for producing mineral wool The present invention furnishes a method for producing mineral wool wherein a molten mineral material is fed into a spinner (1) the peripheral wall (2) of which comprises a multiplicity of orifices with small diameters wherethrough the mineral molten mate... | 05/04/1999 |
| 5882372 | Apparatus for use in confining a gaseous stream containing wet or sticky particles or fibers In a process of making gas laid products by entraining particles at least partially coated with a binder in a gaseous stream, passing the stream through a forming chamber and through a permeable collecting surface where the particles build up to form a pr... | 03/16/1999 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5314515 | Method and apparatus for fiber cooling A method and apparatus for cooling a glass optical fiber drawn from a glass preform, prior to applying a protective coating to the fiber, wherein the fiber is transported through a cooling zone containing coolant consisting of a solid or liquid dispersion... | 05/24/1994 |
| 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 |
| 5125942 | Process for the production of mineral wool fibres of low shot content The process for the production of mineral wool fibres is based on melt streams 1 issuing from a melt distributor 3 being reduced to fibres in a drawing nozzle 9 by a blast medium flowing with high velocity in the axial direction. The blast medium charged ... | 06/30/1992 |
| 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 |
| 4961695 | Facility for generating fibers, in particular mineral fibers, from a molten mass In an unraveling facility according to the blast drawing process a subsonic diffuser (11) is arranged following the blast pipe (6). The subsonic diffuser (11) is designed as a thrust diffuser with a sudden cross-sectional widening of its flow border in or... | 10/09/1990 |
| 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 |
| 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 |
| 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 |
| 4230471 | Suppression of pollution in mineral fiber manufacture Methods and equipment are disclosed for production of mineral fibers, by attenuation, involving the use of a substantial volume of gas, in which water is also employed at least in a fiber binder, the methods and equipment providing for recirculation of mo... | 10/28/1980 |
| 4150937 | Apparatus for forming filaments Apparatus is provided for fluidically attenuating streams of material into filaments wherein a plurality of elements are adjustably mounted for movements substantially along and transverse to the path of advancement of the filaments and for lateral moveme... | 04/24/1979 |
| 4146378 | Fiber formation by use of gas blast attenuation Method and equipment are disclosed for forming fibers from attenuable material, such as molten glass, by the use of a jet penetrating transversely into a blast and by the of a structural element positioned adjacent to the path of the jet for establishing ... | 03/27/1979 |
