SE442989B - Forfarande och anordning for uppvermning av tjockveggiga glasror, serskilt kvartsror for framstellning av optiska fibrer, under utnyttjande av mikrovagsenergi - Google Patents
Forfarande och anordning for uppvermning av tjockveggiga glasror, serskilt kvartsror for framstellning av optiska fibrer, under utnyttjande av mikrovagsenergiInfo
- Publication number
- SE442989B SE442989B SE8403529A SE8403529A SE442989B SE 442989 B SE442989 B SE 442989B SE 8403529 A SE8403529 A SE 8403529A SE 8403529 A SE8403529 A SE 8403529A SE 442989 B SE442989 B SE 442989B
- Authority
- SE
- Sweden
- Prior art keywords
- cavity
- tube
- microwave
- electric field
- control unit
- Prior art date
Links
- 239000011521 glass Substances 0.000 title claims description 34
- 238000010438 heat treatment Methods 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 13
- 239000013307 optical fiber Substances 0.000 title claims description 5
- 230000005684 electric field Effects 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000010453 quartz Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000005245 sintering 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/80—Apparatus for specific applications
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Constitution Of High-Frequency Heating (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8403529A SE442989B (sv) | 1984-07-03 | 1984-07-03 | Forfarande och anordning for uppvermning av tjockveggiga glasror, serskilt kvartsror for framstellning av optiska fibrer, under utnyttjande av mikrovagsenergi |
| DE8585850214T DE3568570D1 (en) | 1984-07-03 | 1985-06-20 | Method and apparatus for heating thick-walled glass tubes |
| EP85850214A EP0173659B1 (en) | 1984-07-03 | 1985-06-20 | Method and apparatus for heating thick-walled glass tubes |
| AT85850214T ATE41138T1 (de) | 1984-07-03 | 1985-06-20 | Verfahren und vorrichtung zum erhitzen von dickwandigen glasrohren. |
| CA000485744A CA1241698A (en) | 1984-07-03 | 1985-06-27 | Method for heating thick-walled glass tubes, and apparatus herefor |
| AU44297/85A AU580074B2 (en) | 1984-07-03 | 1985-06-28 | A method for heating thick-walled glass tubes, and apparatus herefor |
| FI852616A FI78060C (fi) | 1984-07-03 | 1985-07-02 | Foerfarande foer uppvaermning av tjockvaeggiga glasroer, jaemte anordning. |
| DK299985A DK299985A (da) | 1984-07-03 | 1985-07-02 | Fremgangsmaade samt indretning til opvarmning af tykvaeggede glasroer |
| JP60144889A JPS6163535A (ja) | 1984-07-03 | 1985-07-03 | 光フアイバ用肉厚ガラス管の加熱方法と加熱装置 |
| US07/120,782 US4838915A (en) | 1984-07-03 | 1987-11-16 | Method for heating thick-walled glass tubes and apparatus therefore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8403529A SE442989B (sv) | 1984-07-03 | 1984-07-03 | Forfarande och anordning for uppvermning av tjockveggiga glasror, serskilt kvartsror for framstellning av optiska fibrer, under utnyttjande av mikrovagsenergi |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8403529D0 SE8403529D0 (sv) | 1984-07-03 |
| SE8403529L SE8403529L (cs) | 1986-01-04 |
| SE442989B true SE442989B (sv) | 1986-02-10 |
Family
ID=20356428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8403529A SE442989B (sv) | 1984-07-03 | 1984-07-03 | Forfarande och anordning for uppvermning av tjockveggiga glasror, serskilt kvartsror for framstellning av optiska fibrer, under utnyttjande av mikrovagsenergi |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS6163535A (cs) |
| SE (1) | SE442989B (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4941905A (en) * | 1986-08-29 | 1990-07-17 | American Telephone And Telegraph Company, At&T Technologies, Inc. | Methods of soot overcladding an optical preform |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20250091932A1 (en) | 2022-10-12 | 2025-03-20 | Sumitomo Electric Industries, Ltd | Silica glass body manufacturing method and heating device |
-
1984
- 1984-07-03 SE SE8403529A patent/SE442989B/sv not_active IP Right Cessation
-
1985
- 1985-07-03 JP JP60144889A patent/JPS6163535A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4941905A (en) * | 1986-08-29 | 1990-07-17 | American Telephone And Telegraph Company, At&T Technologies, Inc. | Methods of soot overcladding an optical preform |
Also Published As
| Publication number | Publication date |
|---|---|
| SE8403529D0 (sv) | 1984-07-03 |
| JPS6163535A (ja) | 1986-04-01 |
| SE8403529L (cs) | 1986-01-04 |
| JPH0535097B2 (cs) | 1993-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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