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| Number | Title | Issue Date |
| 8056371 | Cooling apparatus for fiberizing bushings and method This invention involves apparatus and methods for making fibers by passing a molten material like glass, polymer, etc. through orifices or tips in a fiberizing bushing and then cooling the molten material coming from the tips and newly formed fibers using cooling tu... | 11/15/2011 |
| 7726155 | Cooling apparatus for fiberizing bushings This invention involves apparatus and methods for making fibers by passing a molten material like glass, polymer, etc. through orifices or tips in a fiberizing bushing and then cooling the molten material coming from the tips and newly formed fibers using cooling tu... | 06/01/2010 |
| 7293431 | Apparatus for cooling a filament forming area of a filament forming apparatus A cooling apparatus includes a manifold defining a fluid channel, and also includes a plurality of cooling fins connected to the manifold, wherein at least a portion of a surface of the fins includes porous material. ... | 11/13/2007 |
| 7194874 | Screen for fiberizing bushings and method A bushing for fiberizing molten material, such as molten glass, having a screen mounted in the bushing spaced above the tip or orifice plate with a central portion of the screen having a significantly lower percent of hole area than the percent of hole area in end p... | 03/27/2007 |
| 6945079 | Optical fiber drawing system for non-contact control of polarization mode dispersion of optical fiber Disclosed is a system for drawing an optical fiber for controlling polarization mode dispersion. A furnace is provided for uniformly heating an optical fiber preform in the drawing system mounted to an optical fiber draw tower. The furnace comprises: (a) a main body... | 09/20/2005 |
| 6408654 | Filament forming apparatus and a cooling apparatus for and method of inducing a uniform air flow between a filament forming area and the cooling apparatus A filament forming apparatus and cooling apparatus for and method of inducing a uniform air flow between a filament forming area beneath a bushing and the cooling apparatus are disclosed. The cooling apparatus includes an air housing extending beneath the... | 06/25/2002 |
| 6279354 | Cooler of optical fiber draw tower A cooler of an optical fiber draw tower, situated below a melting furnace for melting a preform for an optical fiber, for cooling the optical fiber drawn from the preform melted in the melting furnace, includes at least one heat exchanger installed with a... | 08/28/2001 |
| 6192714 | Filament forming apparatus and a cooling apparatus for and method of cooling a filament forming area A filament forming apparatus and cooling apparatus for and method of cooling a filament forming area beneath a bushing is disclosed. The cooling apparatus includes a manifold with a cooling fluid channel formed therein, and a plurality of hollow cooling f... | 02/27/2001 |
| 6134922 | Method for drawing a glass ingot A method for drawing a glass ingot into a rod having a given outer diameter is described. The method is characterized in that when the glass ingot is fed into a heating zone at a final tapered portion thereof, a temperature in the heating zone is decrease... | 10/24/2000 |
| 5925164 | Finshield assemblies for fiber-forming apparatus A heat-absorbing finshield assembly, which is located adjacent the discharge area of a furnace for producing glass fibers, includes fins spaced along a fluid-cooled manifold such that the fins extend between, but not in contact with, the molten glass fibe... | 07/20/1999 |
| 5709727 | Heat transfer device A bushing assembly is provided which is adapted to be positioned beneath a forehearth (30) to receive a stream of molten glass flowing from the forehearth (30). The assembly comprises a glass receiving block (76), a bushing (50) and at least one cooling e... | 01/20/1998 |
| 5702498 | Process for carbon-coating silicate glass fibers This invention is a strand of silicate glass fibers with a carbon skin or sheath around each glass fiber of the strand. The invention uses hydrocarbon pyrolysis with silicate fiber glass manufacturing to produce fibers using conventional melt-bushing tech... | 12/30/1997 |
| 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 |
| 5181947 | Method for manufacturing a glass fiber A method for manufacturing a glass fiber having a polygonal cross section is provided. According to the method, a glass fiber having an orbicular cross section is manufactured by drawing molten glass supplied into a crucible heated at higher temperatures ... | 01/26/1993 |
| 5176729 | Method of producing fibers by internal centrifugation and the application of the said method to the drawing out of certain glasses into fibers Fibers are drawn out by maintaining a temperature gradient between the interior and exterior walls of the peripheral band of a centrifuge. The peripheral band is made from a material having a thermal conductivity below 20 Wm-1 C-1 at... | 01/05/1993 |
| 5160359 | Apparatus and method for drawing an optical fiber from a solid blank For the drawing of an optical fiber from a solid blank, the latter is conducted vertically through a furnace and, during this process, is heated to the drawing temperature at its lower end, from which the fiber is drawn out in the form of a drawing onion.... | 11/03/1992 |
| 5062876 | Method and apparatus for forming round glass fibers This invention relates to a novel bushing apparatus having unique nozzles or projecting orifices for the production of round glass fibers. Particularly, it relates to a bushing having tips with cross-sections in the form of finite-sided polygons. It is sh... | 11/05/1991 |
| 5045506 | Process for producing mineral fibers incorporating an alumina-containing residue from a metal melting operation and fibers so produced A process for producing mineral fibers and the fibers thus produced are disclosed. The process involves forming a melt comprising an alumina-containing residue from a metal melting operation and one or more mineral raw materials suitable for forming miner... | 09/03/1991 |
| 5002598 | Process of making multifilament glass strand The application discloses an apparatus and a process for the manufacture of continuous fibers by mechanical attenuation. It is especially useful in obtaining a strand composed of a mixture of filaments of differing cross sections in constant and definite ... | 03/26/1991 |
| 4995892 | Process and apparatus for controlling the thermal environment of glass fiber forming The subject matter of this invention relates to an improved method for controlling an industrial glass fiber-forming process. More particularly, it involves a method for controlling the thermal environment of several fiber glass bushing assemblies by the ... | 02/26/1991 |
| 4964891 | Programmably controlled fiber glass strand feeders and improved methods for making glass fiber mats The specification of the instant invention discloses improvements in methods for making various types of mats of fiberous material. In particular, the improvements relate to methods for making continuous fiber glass strand mats using reciprocating strand ... | 10/23/1990 |
| 4963176 | Method for making glass fiber mats using controllable fiber glass strand feeders This invention relates to improvements in making mats of continuous fiber strand using controlled reciprocating strand feeders. More particularly, the invention relates to improvements in making continuous fiber glass strand mats having more uniform densi... | 10/16/1990 |
| 4917715 | Method for producing rotary textile fibers A method of making textile glass fibers in a rotary process is disclosed. A spinner bearing molten glass rotates on its axis of rotation. Glass is forced through orifices and the resulting fibers are moved along paths generally perpendicular to the axis o... | 04/17/1990 |
| 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 |
| 4775400 | Method of controlling glass fiber formation and control system An improved fiber glass bushing control system. One aspect of the system has a weighing means for weighing complete collections of glass fiber strands produced from forming from a bushing through attenuation, a monitoring means for the time of attenuation... | 10/04/1988 |
| 4759784 | Method of manufacturing glass fiber strand A flat glass fiber strand comprises a multiplicity of glass filaments having a non-circular cross-sectional shape with the ratio between its maximum and minimum dimensions being between 1.2:1 and 3:1, and which are gathered in such a manner that one dimen... | 07/26/1988 |
| 4698083 | Method for producing glass fibers having non-circular cross sections A method of producing a glass fiber strand in which a plurality of molten glass filaments spun from adjacent nozzle ports in a nozzle plate are adjoined to one another so as to form a single glass fiber having a non-circular cross-sectional shapes such as... | 10/06/1987 |
| 4666485 | Method and apparatus for making tapered mineral and organic fibers A tapered fiber and method and apparatus for making is provided in which the fiber has an increasing cross-sectional dimension in one direction along a portion of its length, and a decreasing cross-sectional dimension in the same direction along the same ... | 05/19/1987 |
| 4662922 | Method and apparatus for the production of glass filaments A continuous glass fiber forming system incorporates a high energy stream of fluid to establish and control induced air flow from around the feeder to (1) substantially simulate the induction of air into the filament forming region in the absence of filam... | 05/05/1987 |
| 4643750 | Method and apparatus for producing glass fibers This invention pertains to a method and apparatus for forming glass fibers by flowing fine streams of glass from closely spaced orifices in a feeder plate while directing a cooling gas upwardly to promote separation of the streams of glass and eliminate t... | 02/17/1987 |
| 4636234 | Method and apparatus for making non-circular mineral fibers A method and appartus for making non-circular mineral fibers, and the fibers produced thereby, comprises flowing a stream from a body of molten mineral material through a non-circular orifice, and quenching the mineral material in the stream to form a min... | 01/13/1987 |
| 4622054 | Method and apparatus for making non-circular mineral fibers A method and apparatus for making non-circular mineral fibers, and the fibers produced thereby, comprises flowing a stream from a body of molten mineral material through a non-circular orifice, and quenching the mineral material in the stream to form a mi... | 11/11/1986 |
| 4620859 | Method for making coalesced mineral fibers A method for making mineral fibers comprising discharging molten glass as primary molten streams from orifices and joining at least one primary stream to an adjacent primary stream to form a coalesced stream of different cross-sectional shape from that of... | 11/04/1986 |
| 4398933 | Method and apparatus for the manufacture of fibers A process and apparatus for forming fibers from attenuable materials, such as molten glass, by attenuating streams of glass from the bottom of a bushing wherein the bottom has downwardly presented wall portions at upper and lower levels. According to the ... | 08/16/1983 |
| 4391618 | Process and apparatus for the manufacture of fibers A process and apparatus for forming fibers from attenuable materials, such as molten glass, by attenuating streams of glass from the bottom of a bushing wherein the bottom has downwardly presented wall portions at upper and lower levels. According to the ... | 07/05/1983 |
| 4363645 | Annular bushing for forming glass fibers Apparatus and method of producing glass fibers employing a tipped or tipless annular bushing plate from which fibers are drawn as an annular array. A cooling gas, such as air, is directed into contact with the bushing plate and with either, or both, the e... | 12/14/1982 |
| 4349364 | Multiple orifice bushing A process for manufacturing glass filaments in which the bushing bottom plate has tips depending therefrom and each tip has a plurality of orifices from which glass filaments are drawn. The tips flood individually on start-up or during operation, and the ... | 09/14/1982 |
| 4328015 | Process for the manufacture of fibers A process and apparatus for forming fibers from attenuable materials, such as molten glass, by attenuating streams of glass from the bottom of a bushing wherein the bottom has downwardly presented wall portions at upper and lower levels. According to the ... | 05/04/1982 |
| 4303429 | Apparatus and method for production of mineral fibers The present invention embraces an apparatus for, and methods of, forming mineral fibers, such as glass. Such invention comprising a mineral fiber forming bushing bottom wall comprising a base plate and elongated members projecting downwardly from the exte... | 12/01/1981 |
| 4227906 | Environmental control for mineral fiber-forming A mineral fiber-forming bushing is disclosed in which sidewalls containing at least one opening extend continuously downwardly from the bushing bottom wall to define a forming chamber beneath the bushing. A fluid is directed toward the bushing bottom wall... | 10/14/1980 |
