JPH02111105U - - Google Patents
Info
- Publication number
- JPH02111105U JPH02111105U JP1884689U JP1884689U JPH02111105U JP H02111105 U JPH02111105 U JP H02111105U JP 1884689 U JP1884689 U JP 1884689U JP 1884689 U JP1884689 U JP 1884689U JP H02111105 U JPH02111105 U JP H02111105U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- furnace
- core tube
- tip
- heating section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000012681 fiber drawing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/029—Furnaces therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/60—Optical fibre draw furnaces
- C03B2205/90—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles
- C03B2205/92—Manipulating the gas flow through the furnace other than by use of upper or lower seals, e.g. by modification of the core tube shape or by using baffles using means for gradually reducing the cross-section towards the outlet or around the preform draw end, e.g. tapered
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1884689U JPH02111105U (US20100056889A1-20100304-C00004.png) | 1989-02-20 | 1989-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1884689U JPH02111105U (US20100056889A1-20100304-C00004.png) | 1989-02-20 | 1989-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02111105U true JPH02111105U (US20100056889A1-20100304-C00004.png) | 1990-09-05 |
Family
ID=31233852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1884689U Pending JPH02111105U (US20100056889A1-20100304-C00004.png) | 1989-02-20 | 1989-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02111105U (US20100056889A1-20100304-C00004.png) |
-
1989
- 1989-02-20 JP JP1884689U patent/JPH02111105U/ja active Pending
