FI20021564A0 - Sovitelma preformin valmistamiseksi - Google Patents
Sovitelma preformin valmistamiseksiInfo
- Publication number
- FI20021564A0 FI20021564A0 FI20021564A FI20021564A FI20021564A0 FI 20021564 A0 FI20021564 A0 FI 20021564A0 FI 20021564 A FI20021564 A FI 20021564A FI 20021564 A FI20021564 A FI 20021564A FI 20021564 A0 FI20021564 A0 FI 20021564A0
- Authority
- FI
- Finland
- Prior art keywords
- preform
- arrangements
- making
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/047—Re-forming tubes or rods by drawing
-
- 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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01225—Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
- C03B37/0124—Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20021564A FI20021564A0 (fi) | 2002-09-02 | 2002-09-02 | Sovitelma preformin valmistamiseksi |
EP03790986A EP1542936A1 (en) | 2002-09-02 | 2003-09-01 | Method and apparatus for processing a preform |
CNB038208342A CN100546931C (zh) | 2002-09-02 | 2003-09-01 | 用于处理光纤预制件的方法和装置 |
PCT/FI2003/000637 WO2004020353A1 (en) | 2002-09-02 | 2003-09-01 | Method and apparatus for processing a preform |
US10/525,080 US20050213904A1 (en) | 2002-09-02 | 2003-09-01 | Method and apparatus for processing a preform |
JP2004532205A JP2005537207A (ja) | 2002-09-02 | 2003-09-01 | プリフォームを加工する方法及び装置 |
AU2003262587A AU2003262587A1 (en) | 2002-09-02 | 2003-09-01 | Method and apparatus for processing a preform |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20021564A FI20021564A0 (fi) | 2002-09-02 | 2002-09-02 | Sovitelma preformin valmistamiseksi |
Publications (1)
Publication Number | Publication Date |
---|---|
FI20021564A0 true FI20021564A0 (fi) | 2002-09-02 |
Family
ID=8564511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20021564A FI20021564A0 (fi) | 2002-09-02 | 2002-09-02 | Sovitelma preformin valmistamiseksi |
Country Status (7)
Country | Link |
---|---|
US (1) | US20050213904A1 (fi) |
EP (1) | EP1542936A1 (fi) |
JP (1) | JP2005537207A (fi) |
CN (1) | CN100546931C (fi) |
AU (1) | AU2003262587A1 (fi) |
FI (1) | FI20021564A0 (fi) |
WO (1) | WO2004020353A1 (fi) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103553325A (zh) * | 2013-11-11 | 2014-02-05 | 江苏亨通光电股份有限公司 | 一种对光纤预制棒进行拉伸的方法及装置 |
CN105217951B (zh) * | 2015-09-21 | 2017-11-17 | 长飞光纤光缆股份有限公司 | 一种光纤预制棒的垂直拉伸方法及设备 |
US10837131B2 (en) | 2016-11-17 | 2020-11-17 | Drexel University | Method to produce micro and nanofibers with controlled diameter and large yield |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3753672A (en) * | 1957-05-06 | 1973-08-21 | Hirschowitz B | Method for forming glass fibers |
US4121920A (en) * | 1970-04-06 | 1978-10-24 | International Telephone & Telegraph Corp. | Glass fiber drawing machine |
US4033741A (en) * | 1976-01-19 | 1977-07-05 | Ppg Industries, Inc. | Method and apparatus for forming containerized glass strand package |
US4194896A (en) * | 1978-08-28 | 1980-03-25 | Owens-Corning Fiberglas Corporation | Method and apparatus for forming glass filaments |
JPS60151237A (ja) * | 1984-01-17 | 1985-08-09 | Shin Etsu Chem Co Ltd | 棒状又は管状ガラス材料の延伸加工方法 |
US4654065A (en) * | 1985-12-05 | 1987-03-31 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Quasi-containerless glass formation method and apparatus |
US4889295A (en) * | 1988-12-19 | 1989-12-26 | Hughes Aircraft Company | Optical fiber sleeving guide |
EP0656325B1 (en) * | 1993-11-29 | 1999-09-22 | AT&T Corp. | Method for making optical fiber preforms |
JPH09132424A (ja) * | 1995-11-06 | 1997-05-20 | Furukawa Electric Co Ltd:The | 光ファイバの線引方法 |
SE511083C2 (sv) * | 1995-12-06 | 1999-08-02 | Sumitomo Electric Industries | Förfarande för att förlänga glasförform |
JP3159116B2 (ja) * | 1997-04-11 | 2001-04-23 | 住友電気工業株式会社 | ガラス母材の延伸機および延伸方法 |
DE69800722T2 (de) * | 1997-05-30 | 2001-08-02 | Shin-Etsu Chemical Co., Ltd. | Verfahren zum Ziehen einer Glasvorform zu einem Stab |
EP1655271A3 (en) * | 1997-06-19 | 2006-06-07 | Shin-Etsu Chemical Company, Ltd. | Method and apparatus for drawing a class ingot |
JP3777746B2 (ja) * | 1997-09-26 | 2006-05-24 | 住友電気工業株式会社 | ガラス母材の延伸方法 |
US6553790B1 (en) * | 2000-05-09 | 2003-04-29 | Fitel Usa Corp. | Process for fabricating optical fiber involving tuning of core diameter profile |
-
2002
- 2002-09-02 FI FI20021564A patent/FI20021564A0/fi unknown
-
2003
- 2003-09-01 CN CNB038208342A patent/CN100546931C/zh not_active Expired - Fee Related
- 2003-09-01 WO PCT/FI2003/000637 patent/WO2004020353A1/en active Application Filing
- 2003-09-01 US US10/525,080 patent/US20050213904A1/en not_active Abandoned
- 2003-09-01 EP EP03790986A patent/EP1542936A1/en not_active Withdrawn
- 2003-09-01 AU AU2003262587A patent/AU2003262587A1/en not_active Abandoned
- 2003-09-01 JP JP2004532205A patent/JP2005537207A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP1542936A1 (en) | 2005-06-22 |
US20050213904A1 (en) | 2005-09-29 |
JP2005537207A (ja) | 2005-12-08 |
WO2004020353A1 (en) | 2004-03-11 |
AU2003262587A1 (en) | 2004-03-19 |
CN1678540A (zh) | 2005-10-05 |
CN100546931C (zh) | 2009-10-07 |
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