JPS6327445U - - Google Patents
Info
- Publication number
- JPS6327445U JPS6327445U JP12169586U JP12169586U JPS6327445U JP S6327445 U JPS6327445 U JP S6327445U JP 12169586 U JP12169586 U JP 12169586U JP 12169586 U JP12169586 U JP 12169586U JP S6327445 U JPS6327445 U JP S6327445U
- Authority
- JP
- Japan
- Prior art keywords
- chimney
- drawn
- glass rod
- rod
- sealing disc
- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 8
- 239000011261 inert gas Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013307 optical fiber Substances 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 (forum.php) | 1986-08-08 | 1986-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12169586U JPH0351312Y2 (forum.php) | 1986-08-08 | 1986-08-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6327445U true JPS6327445U (forum.php) | 1988-02-23 |
| JPH0351312Y2 JPH0351312Y2 (forum.php) | 1991-11-01 |
Family
ID=31011204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12169586U Expired JPH0351312Y2 (forum.php) | 1986-08-08 | 1986-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351312Y2 (forum.php) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03126634A (ja) * | 1989-10-12 | 1991-05-29 | Furukawa Electric Co Ltd:The | 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 |
| WO2004113243A1 (ja) * | 2003-06-18 | 2004-12-29 | Shin-Etsu Chemical Co., Ltd. | 光ファイバ線引き装置およびガスシール機構 |
| 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
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03126634A (ja) * | 1989-10-12 | 1991-05-29 | Furukawa Electric Co Ltd:The | 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 |
| WO2004113243A1 (ja) * | 2003-06-18 | 2004-12-29 | Shin-Etsu Chemical Co., Ltd. | 光ファイバ線引き装置およびガスシール機構 |
| JP2009227516A (ja) * | 2008-03-24 | 2009-10-08 | Sumitomo Electric Ind Ltd | 光ファイバの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351312Y2 (forum.php) | 1991-11-01 |