JPWO2021193567A1 - - Google Patents

Info

Publication number
JPWO2021193567A1
JPWO2021193567A1 JP2022510503A JP2022510503A JPWO2021193567A1 JP WO2021193567 A1 JPWO2021193567 A1 JP WO2021193567A1 JP 2022510503 A JP2022510503 A JP 2022510503A JP 2022510503 A JP2022510503 A JP 2022510503A JP WO2021193567 A1 JPWO2021193567 A1 JP WO2021193567A1
Authority
JP
Japan
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.)
Pending
Application number
JP2022510503A
Other languages
Japanese (ja)
Other versions
JPWO2021193567A5 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2021193567A1 publication Critical patent/JPWO2021193567A1/ja
Publication of JPWO2021193567A5 publication Critical patent/JPWO2021193567A5/ja
Pending legal-status Critical Current

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
    • 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)
JP2022510503A 2020-03-23 2021-03-22 Pending JPWO2021193567A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020051898 2020-03-23
PCT/JP2021/011793 WO2021193567A1 (en) 2020-03-23 2021-03-22 Optical fiber wiredrawing furnace and method for producing optical fiber

Publications (2)

Publication Number Publication Date
JPWO2021193567A1 true JPWO2021193567A1 (en) 2021-09-30
JPWO2021193567A5 JPWO2021193567A5 (en) 2023-12-08

Family

ID=77890298

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022510503A Pending JPWO2021193567A1 (en) 2020-03-23 2021-03-22

Country Status (3)

Country Link
JP (1) JPWO2021193567A1 (en)
CN (1) CN115335337A (en)
WO (1) WO2021193567A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5913640A (en) * 1982-07-09 1984-01-24 Nippon Telegr & Teleph Corp <Ntt> Manufacture of optical fiber
JPH059044A (en) * 1991-06-26 1993-01-19 Furukawa Electric Co Ltd:The Manufacture of hermetically-coating optical fiber and manufacturing device therefor
JP2760697B2 (en) * 1992-04-03 1998-06-04 株式会社フジクラ Optical fiber drawing furnace
JPH08333130A (en) * 1995-06-01 1996-12-17 Furukawa Electric Co Ltd:The Heating furnace for drawing optical fiber
JP2000128566A (en) * 1998-10-29 2000-05-09 Hitachi Cable Ltd Method and device for production of optical fiber
EP1243568B1 (en) * 1999-05-27 2013-03-06 Sumitomo Electric Industries, Ltd. Production method for optical fiber
KR100545814B1 (en) * 2002-08-31 2006-01-24 엘에스전선 주식회사 Optical Fiber Edge Melting Furnace and Optical Fiber Edge Cutting Method Using The Same
JP2004250286A (en) * 2003-02-20 2004-09-09 Sumitomo Electric Ind Ltd Apparatus and method of drawing optical fiber
JP4655685B2 (en) * 2005-03-04 2011-03-23 日立電線株式会社 Optical fiber drawing furnace and optical fiber drawing method
CN105948478A (en) * 2016-06-20 2016-09-21 南京华信藤仓光通信有限公司 Optical fiber production heating furnace capable of reducing usage amount of helium

Also Published As

Publication number Publication date
CN115335337A (en) 2022-11-11
WO2021193567A1 (en) 2021-09-30

Similar Documents

Publication Publication Date Title
BR112021014123A2 (en)
BR112023012656A2 (en)
BR112022009896A2 (en)
BR112022024743A2 (en)
BR112023009656A2 (en)
BR102021018859A2 (en)
BR102021015500A2 (en)
BR102021007058A2 (en)
BR112023011738A2 (en)
BR112023016292A2 (en)
BR112023004146A2 (en)
BR112023011539A2 (en)
BR112023011610A2 (en)
BR112023008976A2 (en)
BR112023006729A2 (en)
BR102021020147A2 (en)
BR102021018926A2 (en)
BR102021018167A2 (en)
BR102021017576A2 (en)
BR102021016837A2 (en)
BR102021016551A2 (en)
BR102021016375A2 (en)
BR102021016176A2 (en)
BR102021016200A2 (en)
BR102021015566A2 (en)

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231130

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20231130