JPH0351312Y2 - - Google Patents
Info
- Publication number
- JPH0351312Y2 JPH0351312Y2 JP12169586U JP12169586U JPH0351312Y2 JP H0351312 Y2 JPH0351312 Y2 JP H0351312Y2 JP 12169586 U JP12169586 U JP 12169586U JP 12169586 U JP12169586 U JP 12169586U JP H0351312 Y2 JPH0351312 Y2 JP H0351312Y2
- Authority
- JP
- Japan
- Prior art keywords
- rod
- chimney
- furnace body
- feed rod
- glass rod
- 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.)
- Expired
Links
- 239000011521 glass Substances 0.000 claims description 41
- 238000010438 heat treatment Methods 0.000 claims description 39
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 16
- 239000013307 optical fiber Substances 0.000 description 26
- 239000000463 material Substances 0.000 description 21
- 239000011261 inert gas Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method 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
- C03B2205/80—Means for sealing the preform entry or upper end of the furnace
-
- 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
- C03B2205/82—Means for sealing the fibre exit or lower end of the furnace
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)
- Furnace Charging Or Discharging (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12169586U JPH0351312Y2 (enrdf_load_stackoverflow) | 1986-08-08 | 1986-08-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12169586U JPH0351312Y2 (enrdf_load_stackoverflow) | 1986-08-08 | 1986-08-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6327445U JPS6327445U (enrdf_load_stackoverflow) | 1988-02-23 |
JPH0351312Y2 true JPH0351312Y2 (enrdf_load_stackoverflow) | 1991-11-01 |
Family
ID=31011204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12169586U Expired JPH0351312Y2 (enrdf_load_stackoverflow) | 1986-08-08 | 1986-08-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0351312Y2 (enrdf_load_stackoverflow) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2697921B2 (ja) * | 1989-10-12 | 1998-01-19 | 古河電気工業株式会社 | 光ファイバの製造方法 |
JP2002234750A (ja) * | 2001-02-01 | 2002-08-23 | Shinetsu Quartz Prod Co Ltd | 光ファイバ用石英ガラス母材の製造方法 |
JP2005008475A (ja) * | 2003-06-18 | 2005-01-13 | Shin Etsu Chem Co Ltd | 光ファイバ線引き装置 |
JP2009227516A (ja) * | 2008-03-24 | 2009-10-08 | Sumitomo Electric Ind Ltd | 光ファイバの製造方法 |
-
1986
- 1986-08-08 JP JP12169586U patent/JPH0351312Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6327445U (enrdf_load_stackoverflow) | 1988-02-23 |
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