JPS6324237U - - Google Patents
Info
- Publication number
- JPS6324237U JPS6324237U JP11678886U JP11678886U JPS6324237U JP S6324237 U JPS6324237 U JP S6324237U JP 11678886 U JP11678886 U JP 11678886U JP 11678886 U JP11678886 U JP 11678886U JP S6324237 U JPS6324237 U JP S6324237U
- Authority
- JP
- Japan
- Prior art keywords
- oxide
- core tube
- protective film
- heating furnace
- coated
- 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
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 229910001928 zirconium oxide Inorganic materials 0.000 claims 2
- 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
- 239000000919 ceramic Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 239000011225 non-oxide ceramic Substances 0.000 claims 1
- 229910052575 non-oxide ceramic Inorganic materials 0.000 claims 1
- 239000011224 oxide ceramic Substances 0.000 claims 1
- 229910052574 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
- 239000010453 quartz Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 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 |
|---|---|---|---|
| JP11678886U JPH0332503Y2 (cs) | 1986-07-31 | 1986-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11678886U JPH0332503Y2 (cs) | 1986-07-31 | 1986-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6324237U true JPS6324237U (cs) | 1988-02-17 |
| JPH0332503Y2 JPH0332503Y2 (cs) | 1991-07-10 |
Family
ID=31001706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11678886U Expired JPH0332503Y2 (cs) | 1986-07-31 | 1986-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332503Y2 (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3388306B2 (ja) * | 1996-02-01 | 2003-03-17 | 株式会社ニッカトー | 電気炉 |
-
1986
- 1986-07-31 JP JP11678886U patent/JPH0332503Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0332503Y2 (cs) | 1991-07-10 |
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