Matches 1 - 11 out of 11


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US20120192594 OPTICAL FIBER DRAWING METHODS AND DRAWING FURNACES  
Drawing methods and drawing furnaces for drawing an optical fiber with small non-circularity by simple drawing system are provided. An optical fiber preform is received into a muffle tube and...
US20070119214 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...
US20140041416 HEATING APPARATUS OF INDUCTION FURNACE USED FOR STRETCHING LARGE-DIAMETER PREFORMED RODS OF OPTICAL FIBERS  
A heating apparatus of an induction furnace used for stretching large-diameter preformed rods of optical fibers, said heating apparatus of the induction furnace comprising a furnace casing, a...
US20120121226 INTERLOCKING OPTICAL FIBER  
An optical fiber includes an outer periphery formed into a shape that configures the fiber to interlock with the other fibers with complementary shapes. Methods and systems for fabricating such...
US20110132039 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...
US20110265522 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...
US20070283722 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...
US20140226948 OPTICAL FIBER PRODUCING METHOD AND APPARATUS AND OPTICAL FIBER  
An apparatus includes a susceptor and a protective pipe. A gas containing 50% or more of argon or nitrogen is used as a gas to be supplied into the susceptor. The protective pipe has a heat...
US20050016219 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...
US20140096566 GLASS BASE MATERIAL ELONGATING APPARATUS  
In order to provide a glass base material elongating apparatus that can safely elongate a glass base material in an extendable top chamber without damaging a flange, provided is a glass base...
US20100207333 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...

Matches 1 - 11 out of 11