JPS6255530U - - Google Patents
Info
- Publication number
- JPS6255530U JPS6255530U JP14568085U JP14568085U JPS6255530U JP S6255530 U JPS6255530 U JP S6255530U JP 14568085 U JP14568085 U JP 14568085U JP 14568085 U JP14568085 U JP 14568085U JP S6255530 U JPS6255530 U JP S6255530U
- Authority
- JP
- Japan
- Prior art keywords
- core tube
- optical fibers
- producing optical
- heating furnace
- utility
- 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
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims 1
- 239000000292 calcium oxide Substances 0.000 claims 1
- 239000003575 carbonaceous material Substances 0.000 claims 1
- 239000011225 non-oxide ceramic Substances 0.000 claims 1
- 229910052575 non-oxide ceramic Inorganic materials 0.000 claims 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000011810 insulating material 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
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)
- Tunnel Furnaces (AREA)
- Furnace Details (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14568085U JPH0343215Y2 (tr) | 1985-09-26 | 1985-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14568085U JPH0343215Y2 (tr) | 1985-09-26 | 1985-09-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6255530U true JPS6255530U (tr) | 1987-04-06 |
| JPH0343215Y2 JPH0343215Y2 (tr) | 1991-09-10 |
Family
ID=31057443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14568085U Expired JPH0343215Y2 (tr) | 1985-09-26 | 1985-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343215Y2 (tr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06288684A (ja) * | 1992-05-18 | 1994-10-18 | Shinagawa Refract Co Ltd | 超高温試験又は処理方法 |
-
1985
- 1985-09-26 JP JP14568085U patent/JPH0343215Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06288684A (ja) * | 1992-05-18 | 1994-10-18 | Shinagawa Refract Co Ltd | 超高温試験又は処理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0343215Y2 (tr) | 1991-09-10 |