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| Application No. | Application Title | Issue Date |
| 20110265522 | OPTICAL FIBER MANUFACTURING APPARATUS AND OPTICAL FIBER MANUFACTURING METHOD An optical fiber manufacturing apparatus including: a heating furnace in which an optical fiber is formed by melt-drawing an optical fiber preform; a sealing mechanism which is provided on an opening portion located at an upstream of the heating furnace and seals the he... | 11/03/2011 |
| 20110132039 | GLASS PREFORM DRAWING APPARATUS A glass preform drawing apparatus feeds a glass preform into a heating furnace at a predetermined feeding speed and produces a glass rod having a uniform diameter. Specifically, the drawing apparatus for producing a glass rod having a desired outer diameter by heating a... | 06/09/2011 |
| 20100207333 | SEAL MEMBER Provided is a seal member, which is used in a heating furnace having an insertion port to which an end of a rod to be heated is inserted and seals between the insertion port and a surface of the rod inserted to the insertion port in an airtight manner, the seal member h... | 08/19/2010 |
| 20090031758 | Telecommunications Cable Jacket Adapted for Post-Extrusion Insertion of Optical Fiber and Methods for Manufacturing the Same The present disclosure relates to a telecommunications cable having a jacket including a feature for allowing post-extrusion insertion of an optical fiber or other signal-transmitting member. The present disclosure also relates to a method for making a telecommunication... | 02/05/2009 |
| 20070283722 | Apparatus and method for drawing an optical fiber having reduced and low attenuation loss, and optical fiber produced therefrom An apparatus and method for drawing an optical fiber having reduced and low attenuation loss, and good strength are provided. The apparatus comprises a furnace comprising a furnace chamber provided with heating means having heating elements, wherein a preform is suitabl... | 12/13/2007 |
| 20070119214 | Vertical drawing method for producing a cylindrical glass body and device for carrying out said method According to a known vertical drawing method for producing a cylindrical glass body, the cylinder longitudinal axis of the glass cylinder is adjusted by hand in relation to the longitudinal axis of a heating tube. The aim of the invention is to optimise the stability of... | 05/31/2007 |
| 20060280578 | Optical fiber drawing apparatus, sealing mechanism for the same, and method for drawing an optical fiber 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 16, ... | 12/14/2006 |
| 20050109066 | Particle deposition system and method A deposition system for depositing a chemical vapor onto a workpiece is disclosed, including a deposition chamber having a plurality of components for performing chemical vapor deposition on the workpiece. The deposition chamber includes an inner skin made of Hasteloy f... | 05/26/2005 |
| 20050016219 | Insulation of a heating element in a furnace for drawing optical fibers A heating apparatus for preparing an optical fiber from a preferably vertical fiber preform in a draw furnace, in which draw furnace the fiber preform is heated with the heating apparatus in the heating zone of the draw furnace in such a way that a molten, downwards tap... | 01/27/2005 |
