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| Number | Title | Issue Date |
| 8113018 | Apparatuses for controlling the temperature of glass forming materials in forehearths Forehearths that create a substantially homogeneous temperature to molten glass forming materials across the end position are provided. A gas cavity, a weir, a refractory block, or a heating element in the forehearth may be utilized to reduce a temperature gradient ... | 02/14/2012 |
| 8024946 | Transverse row bushing support According to the invention, a system for forming glass fiber from molten glass is disclosed. The system may include a tip plate, a plurality of tips, and a plurality of support members. The plurality of tips may include a plurality of rows of tips. Each of the plura... | 09/27/2011 |
| 8006519 | Fiberizing bushing with different size tips Fiberizing bushings for fiberizing molten materials including molten glass are heated by applying a voltage drop across the bushings wherein molten material flows through an array of hollow tips attached to, or integral with, a tip plate having orifices therein that... | 08/30/2011 |
| 7631519 | Optical fiber drawing apparatus and sealing mechanism for the same An inner seal ring 16 is composed by connecting a plurality of inner seal ring pieces 16A, an outer seal ring 17 is composed by connecting a plurality of outer seal ring pieces 17A provided at an outer periphery of the inner seal ring ... | 12/15/2009 |
| 7533543 | Reinforcing device for bushing used to produce filaments, such as glass-based filaments A reinforcement device, especially for the bottom of a bushing having a multitude of holes from which filaments, e.g., glass filaments, are drawn, including a reinforcement piece that includes a hollow first part defining at least one receiving housing and a second ... | 05/19/2009 |
| 7434421 | Fiberizing apparatus A fiberizing apparatus for converting molten material into continuous fibers has an internal support structure to minimize high temperature creep and sagging of a tip plate, the reinforcing structure forming at least about 16 internal cells and the hole pattern in a... | 10/14/2008 |
| 7197899 | Multi heating zone apparatus and process for making core/clad glass fibers A process includes the steps of disposing a solid core glass rod at a point removed from hot temperature that can cause crystallization in the core glass rod, disposing a solid clad glass rod at a point removed from the core glass rod; softening to the flowing condi... | 04/03/2007 |
| 7194875 | Fiberizing bushing with improved screen 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 |
| 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 |
| 7185517 | Double crucible for a glass drawing method and method of making glass fiber or a preform with the double crucible The double crucible for a glass drawing method has a heatable outer crucible (1) and an inner crucible (2) surrounded by the outer crucible (1), which is heatable separately from the outer crucible (1). Both crucibles (1,2) have an... | 03/06/2007 |
| 7156639 | Device for producing filaments A device for producing filaments, in particular, from a thermoplastic polymer, wherein the filaments emerge from the spinneret openings of a spinneret plate. A distribution device is provided for distributing the molten polymer being supplied over a preliminary spin... | 01/02/2007 |
| 7003986 | Fiberizing bushings and methods of using Electrical resistant bushings and methods for making fibers such as glass fibers by passing molten glass through these bushings to form fibers wherein the bushings have novel ears for attaching to electrical terminal clamps bringing electrical current to the bushing... | 02/28/2006 |
| 6993937 | Preform inlet arrangement for an optical fiber drawing furnace, a furnace provided with that kind of inlet arrangement, and a preform equipped to co-operate with that inlet arrangement An inlet arrangement for inserting a preform (3′) into a furnace (1′) for drawing a fiber (2′). The furnace includes an enclosure (4′) at the top of which there are both an opening to allow insertion of a preform which moves in tr... | 02/07/2006 |
| 6813909 | Reinforcement member for a bushing tip plate and related method A plurality of different structural members for reinforcing a plate-like structure, such as a bushing tip plate for intended use in forming fibers from a fluid material supplied to a bushing assembly, are disclosed. Each reinforcing member includes a body having a f... | 11/09/2004 |
| 6810693 | Continuous in-line system for producing high temperature glass fiber materials The invention relates to an in-line process for producing high-temperature stable glass. A sizing composition is advantageously used to reduce plasticizing between the resinous matrix and the glass fibers. The in-line process uses a melter or furnace apparatus, incl... | 11/02/2004 |
| 6779366 | Bushing assembly/support structure arrangement A bushing assembly/support structure arrangement is provided. The arrangement comprises a bushing assembly and a support structure. The bushing arrangement includes a bushing main body comprising at least first and second side walls and a tip plate extending between... | 08/24/2004 |
| 6701754 | Screen for use in a glass fiber bushing system and bushing system therewith A screen comprises an electrically conductive elongate inner screen plate. The inner screen plate has at least one elongate fold therein and at least two elongate divergent surfaces on opposing sides of the fold. Each divergent surface has an upper end an... | 03/09/2004 |
| 6647747 | Multifunctional apparatus for manufacturing mineral basalt fibers The invention discloses a multifunctional apparatus and method to manufacture mineral (basalt) fibers to be drawn/attenuated into a continuous strand made from natural rock basalts with and without supplemental minerals. More specifically this invention d... | 11/18/2003 |
| 6526782 | Multi heating zone apparatus and process for making core/clad glass fibers This invention pertains to apparatus and process for making core/clad glass fibers. The apparatus includes a central tube or receptacle connected at the top to a pressure controller and terminating in a reduced section; a side tube or receptacle positione... | 03/04/2003 |
| 6453702 | Fiberizing apparatus and method A fiberizing apparatus for converting molten material into continuous fibers having an improved internal support structure to minimize high temperature creep and sagging of the tip plate or orifice plate is disclosed. The preferred internal support struct... | 09/24/2002 |
| 6427492 | Bushing including a terminal ear A bushing including a terminal ear and a method of manufacturing the bushing are disclosed. The bushing includes a bushing body which can include side plates, end plates, a bottom plate, and terminal ears coupled to the bushing body. Clamps are attached t... | 08/06/2002 |
| 6272887 | Bushing tip plate support assembly for a bushing in a filament forming apparatus A bushing tip plate support assembly for a bushing in a filament forming apparatus is disclosed. The support assembly improves the flatness of the tip section within the spans between the external support and the center support. The filament forming appar... | 08/14/2001 |
| 6221506 | Bushing base with mounted nozzles The invention relates to a method of manufacturing a bushing baseplate, and to a bushing baseplate. The bushing baseplate is characterized in that it comprises tips (18) constituted by hollow tubular elements of outside diameter slightly smaller than the ... | 04/24/2001 |
| 6196029 | Low profile bushing for making fibers A precious metal bushing used for fiberizing molten glass through nozzles protruding from the lower surface of an orifice plate in the bottom of the bushing requires a substantially reduced investment in precious metal by having very short sidewalls and e... | 03/06/2001 |
| 6070437 | Tip-plate thermocouple A glass-fiber bushing including a bottom tip-plate and side walls surrounding the bottom tip-plate forming a container for molten glass. The bottom tip-plate including a plurality of tips arranged to permit molten glass to flow there through to produce a ... | 06/06/2000 |
| 6065310 | High throughput glass fiberizing system and process This invention relates to a high throughput glass fiber production system and process to provide optimum glass delivery to the glass fiberizing bushing and enhanced glass production of textile fibers or filaments of glass. The fiberizing system includes d... | 05/23/2000 |
| 6044666 | Insulating flow and bushing blocks, bushing assemblies, fiber forming apparatus and method for forming fibers An insulating flow block having a plurality of bores extending therethrough to permit the flow of molten fiberizable material through the block, a bushing assembly having a bushing block with one or more bores extending through a peripheral region thereof... | 04/04/2000 |
| 6021649 | Apparatus for making optical fibers from core and cladding glass rods with two coaxial molten glass flows A core/clad glass optical fiber is made by melting a core glass rod and a adding glass rod in separate crucibles which are not concentric with respect to each other and the respective core and cladding glass melts passed out of contact with each other to ... | 02/08/2000 |
| 5948135 | Bushing insulation and frame arrangement for making fiber glass A glass fiber forming bushing assembly wherein the bushing is supported by a frame is disclosed wherein portions of the frame are angled outwardly and downwardly. The result is a larger amount of insulating refractory between the bushing and the frame at ... | 09/07/1999 |
| 5935291 | Bushings and fiber forming assemblies A bushing including a tip plate having an orifice region including orifices to permit flow of a molten fiberizable material therethrough; a reservoir for supplying molten fiberizable material to the orifices; and a substantially planar perforated plate po... | 08/10/1999 |
| 5928402 | Multi-screen system for mixing glass flow in a glass bushing A multi-screen mixing apparatus for installation in a fiber-forming bushing used in the manufacture of glass fibers. The multi-screen mixer attaches to the walls of the bushing, and includes a first screen having openings therein through which the glass f... | 07/27/1999 |
| 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 |
| 5885318 | Bushing base plate and process of preparing same A bushing base plate comprised of a bushing base raw plate containing a circular or irregular aperture having inner surfaces and inner diameters; and a hollow tube having outer surfaces and out diameters which is inserted into the aperture and bonded ther... | 03/23/1999 |
| 5879427 | Bushing assemblies for fiber forming A bushing assembly for forming fibers from a supply of molten fiberizable material has: (a) a bushing block having an insulating body with a bore extending therethrough and (b) an electrically conductive bushing positioned adjacent to the bushing block to... | 03/09/1999 |
| 5851258 | Backup structure for a pipe for feeding a molten substance of high temperature A backup structure for a pipe for feeding a molten substance of high temperature has a pipe and a thermal insulation material surrounding the pipe wherein the pipe is provided with a plurality of projections on its outer periphery at predetermined interva... | 12/22/1998 |
| 5846284 | Spinner with eyelets having multiple orifices A spinner for centrifuging mineral fibers from molten mineral material is disclosed. The spinner includes a generally annular peripheral wall, the peripheral wall having a plurality of apertures formed therethrough, and a plurality of eyelets mounted in t... | 12/08/1998 |
| 5578101 | Method of making a sol-gel glass body and removing same from mold The disclosed method of making a glass body by a sol/gel process comprises electrochemically assisted release of the gel body from the mold in which the body was formed. More specifically, the method involves gelation of a sol in a mold that comprises a f... | 11/26/1996 |
| 5462571 | Nozzle tip for spinning glass fiber having deformed cross-section and a plurality of projections The invention provides a nozzle tip for manufacturing a glass fiber having a deformed cross-section which is of a large deformation ratio in the cross-section. A plurality of projected edges are provided to extend downwardly from the distal end of a nozzl... | 10/31/1995 |
| 5461689 | Apparatus for and method of polishing optical connectors A holding member holding an optical connector is set in a rotary member such that the optical axis of the optical connector is at a predetermined inclination angle to the axis of rotation of the rotary member. An end face of the optical connector is then ... | 10/24/1995 |
| 5173096 | Method of forming bushing plate for forming glass filaments with forming tips having constant sidewall thickness A bushing plate for use in the production of glass fibers has an array of nozzle tips. Each nozzle tip is formed to have a frusto-conical body with a central aperture. The walls of the nozzle tips have a constant thickness such that the diameter of the ce... | 12/22/1992 |
