EP1030823A4 - CONSTANT SLEEPING PROCEDURE - Google Patents
CONSTANT SLEEPING PROCEDUREInfo
- Publication number
- EP1030823A4 EP1030823A4 EP98946905A EP98946905A EP1030823A4 EP 1030823 A4 EP1030823 A4 EP 1030823A4 EP 98946905 A EP98946905 A EP 98946905A EP 98946905 A EP98946905 A EP 98946905A EP 1030823 A4 EP1030823 A4 EP 1030823A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- draw constant
- downfeed
- constant downfeed
- draw
- downfeed process
- 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.)
- Withdrawn
Links
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
-
- 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
- C03B37/0253—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/06—Rotating the fibre fibre about its longitudinal axis
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/40—Monitoring or regulating the draw tension or draw rate
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/42—Drawing at high speed, i.e. > 10 m/s
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/44—Monotoring or regulating the preform feed rate
-
- 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
- C03B2205/72—Controlling or measuring the draw furnace temperature
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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5966297P | 1997-09-25 | 1997-09-25 | |
US59662P | 1997-09-25 | ||
PCT/US1998/018785 WO1999015470A1 (en) | 1997-09-25 | 1998-09-10 | Draw constant downfeed process |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1030823A1 EP1030823A1 (en) | 2000-08-30 |
EP1030823A4 true EP1030823A4 (en) | 2000-12-27 |
Family
ID=22024419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98946905A Withdrawn EP1030823A4 (en) | 1997-09-25 | 1998-09-10 | CONSTANT SLEEPING PROCEDURE |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1030823A4 (id) |
JP (1) | JP2001517598A (id) |
KR (1) | KR20010024306A (id) |
CN (1) | CN1119301C (id) |
AU (1) | AU738625B2 (id) |
BR (1) | BR9812674A (id) |
CA (1) | CA2301033A1 (id) |
ID (1) | ID24850A (id) |
WO (1) | WO1999015470A1 (id) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6232583B1 (en) * | 1999-08-20 | 2001-05-15 | Alcatel | Infrared high temperature measurement of optical fiber during draw |
CN1289422C (zh) * | 2001-11-20 | 2006-12-13 | 王胜国 | 光纤抽丝过程中鲁棒直径控制的光纤 |
KR100492964B1 (ko) * | 2002-07-29 | 2005-06-07 | 삼성전자주식회사 | 광섬유 인출장치 및 광섬유 모재 급송속도 제어방법 |
CN1331654C (zh) * | 2004-12-31 | 2007-08-15 | 中国科学院西安光学精密机械研究所 | 聚合物光子晶体光纤预制棒的拉丝设备 |
KR100642378B1 (ko) * | 2005-04-04 | 2006-11-03 | 엘에스전선 주식회사 | 광섬유 주변의 압력 변화를 이용하여 편광모드분산을개선하는 장치 및 이를 이용한 광섬유 제조장치 |
DE102014209606B4 (de) | 2014-05-20 | 2018-11-29 | Itv Denkendorf Produktservice Gmbh | Fäden mit variierendem Fadendurchmesser sowie Herstellungsverfahren für solche Fäden |
DE102014209601A1 (de) | 2014-05-20 | 2015-11-26 | Itv Denkendorf Produktservice Gmbh | Kern-Mantel-Faden, Herstellungsverfahren für einen Kern-Mantel-Faden, medizinisches Produkt sowie medizinisches Kit |
CN104944764A (zh) * | 2015-05-29 | 2015-09-30 | 成都亨通光通信有限公司 | 一种利于光纤线径控制的拉丝方法 |
CN105276122B (zh) * | 2015-09-24 | 2018-10-23 | 北京天地玛珂电液控制系统有限公司 | 一种五柱塞乳化液泵 |
CN111482477B (zh) * | 2020-03-26 | 2022-04-29 | 浙江技鸣电工器材有限公司 | 一种拉丝机在线测量控制系统 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02283633A (ja) * | 1989-04-24 | 1990-11-21 | Furukawa Electric Co Ltd:The | 光ファイバの線引方法 |
JPH02307840A (ja) * | 1989-05-23 | 1990-12-21 | Fujikura Ltd | 光ファイバの紡糸方法 |
JPH06211536A (ja) * | 1993-01-13 | 1994-08-02 | Asahi Optical Co Ltd | ガラスファイバの製造方法 |
DE4412563A1 (de) * | 1994-04-12 | 1995-10-19 | Siecor Fertigungsgesellschaft | Einrichtung und Verfahren zum Kühlen einer zu fertigenden Lichtleitfaser |
EP0795520A1 (fr) * | 1996-03-13 | 1997-09-17 | Alcatel Fibres Optiques | Procédé et dispositif de Régulation d'une tour de fibrage de fibre optique tenant compte d'une mesure de la tension de la fibre nue |
DE19716133A1 (de) * | 1996-06-10 | 1997-12-11 | Samsung Electronics Co Ltd | Vorrichtung zum Herstellen einer Lichtleitfaser und Verfahren dafür |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59217642A (ja) * | 1983-05-23 | 1984-12-07 | Furukawa Electric Co Ltd:The | 光フアイバの紡糸方法 |
IN169141B (id) * | 1985-08-21 | 1991-09-07 | Stc Plc | |
JPS62153137A (ja) * | 1985-12-27 | 1987-07-08 | Sumitomo Electric Ind Ltd | 光フアイバの線引き方法 |
JP2765033B2 (ja) * | 1989-04-14 | 1998-06-11 | 住友電気工業株式会社 | 光ファイバーの線引方法 |
US5298047A (en) * | 1992-08-03 | 1994-03-29 | At&T Bell Laboratories | Method of making a fiber having low polarization mode dispersion due to a permanent spin |
-
1998
- 1998-09-10 ID IDW20000757A patent/ID24850A/id unknown
- 1998-09-10 CN CN98809377A patent/CN1119301C/zh not_active Expired - Fee Related
- 1998-09-10 EP EP98946905A patent/EP1030823A4/en not_active Withdrawn
- 1998-09-10 JP JP2000512784A patent/JP2001517598A/ja active Pending
- 1998-09-10 CA CA002301033A patent/CA2301033A1/en not_active Abandoned
- 1998-09-10 BR BR9812674-1A patent/BR9812674A/pt not_active IP Right Cessation
- 1998-09-10 KR KR1020007003205A patent/KR20010024306A/ko not_active Application Discontinuation
- 1998-09-10 WO PCT/US1998/018785 patent/WO1999015470A1/en not_active Application Discontinuation
- 1998-09-10 AU AU93817/98A patent/AU738625B2/en not_active Ceased
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02283633A (ja) * | 1989-04-24 | 1990-11-21 | Furukawa Electric Co Ltd:The | 光ファイバの線引方法 |
JPH02307840A (ja) * | 1989-05-23 | 1990-12-21 | Fujikura Ltd | 光ファイバの紡糸方法 |
JPH06211536A (ja) * | 1993-01-13 | 1994-08-02 | Asahi Optical Co Ltd | ガラスファイバの製造方法 |
DE4412563A1 (de) * | 1994-04-12 | 1995-10-19 | Siecor Fertigungsgesellschaft | Einrichtung und Verfahren zum Kühlen einer zu fertigenden Lichtleitfaser |
EP0795520A1 (fr) * | 1996-03-13 | 1997-09-17 | Alcatel Fibres Optiques | Procédé et dispositif de Régulation d'une tour de fibrage de fibre optique tenant compte d'une mesure de la tension de la fibre nue |
DE19716133A1 (de) * | 1996-06-10 | 1997-12-11 | Samsung Electronics Co Ltd | Vorrichtung zum Herstellen einer Lichtleitfaser und Verfahren dafür |
Non-Patent Citations (5)
Title |
---|
PAEK U C ET AL: "FIBER DRAWING FROM 7.5 CM DIAMETER PREFORMS AT HIGH SPEED", OPTICAL FIBER COMMUNICATION CONFERENCE (OFC), US, NEW YORK, IEEE, vol. CONF. 11, 25 January 1988 (1988-01-25), pages 222 - 225, XP000011691, ISBN: 1-55752-022-4 * |
PATENT ABSTRACTS OF JAPAN vol. 15, no. 52 7 February 1991 (1991-02-07) * |
PATENT ABSTRACTS OF JAPAN vol. 15, no. 96 7 March 1991 (1991-03-07) * |
PATENT ABSTRACTS OF JAPAN vol. 18, no. 575 4 November 1994 (1994-11-04) * |
See also references of WO9915470A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1119301C (zh) | 2003-08-27 |
AU738625B2 (en) | 2001-09-20 |
CA2301033A1 (en) | 1999-04-01 |
KR20010024306A (ko) | 2001-03-26 |
JP2001517598A (ja) | 2001-10-09 |
EP1030823A1 (en) | 2000-08-30 |
AU9381798A (en) | 1999-04-12 |
WO1999015470A1 (en) | 1999-04-01 |
ID24850A (id) | 2000-08-24 |
CN1271334A (zh) | 2000-10-25 |
BR9812674A (pt) | 2000-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20000420 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES FI FR GB IT NL |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20001109 |
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AK | Designated contracting states |
Kind code of ref document: A4 Designated state(s): DE ES FI FR GB IT NL |
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RIC1 | Information provided on ipc code assigned before grant |
Free format text: 7C 03B 37/027 A, 7C 03B 37/07 B |
|
17Q | First examination report despatched |
Effective date: 20020903 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20031223 |