JP2004091303A - 光ファイバ母材の製造方法 - Google Patents

光ファイバ母材の製造方法 Download PDF

Info

Publication number
JP2004091303A
JP2004091303A JP2002258923A JP2002258923A JP2004091303A JP 2004091303 A JP2004091303 A JP 2004091303A JP 2002258923 A JP2002258923 A JP 2002258923A JP 2002258923 A JP2002258923 A JP 2002258923A JP 2004091303 A JP2004091303 A JP 2004091303A
Authority
JP
Japan
Prior art keywords
glass
glass pipe
optical fiber
pipe
rod
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.)
Pending
Application number
JP2002258923A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004091303A5 (https=
Inventor
Tsuyoshi Takano
高野 剛志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Cable Industries Ltd
Original Assignee
Mitsubishi Cable Industries Ltd
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 by Mitsubishi Cable Industries Ltd filed Critical Mitsubishi Cable Industries Ltd
Priority to JP2002258923A priority Critical patent/JP2004091303A/ja
Publication of JP2004091303A publication Critical patent/JP2004091303A/ja
Publication of JP2004091303A5 publication Critical patent/JP2004091303A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/012Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/0124Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down
    • C03B37/01245Means for reducing the diameter of rods or tubes by drawing, e.g. for preform draw-down by drawing and collapsing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

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)
JP2002258923A 2002-09-04 2002-09-04 光ファイバ母材の製造方法 Pending JP2004091303A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002258923A JP2004091303A (ja) 2002-09-04 2002-09-04 光ファイバ母材の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002258923A JP2004091303A (ja) 2002-09-04 2002-09-04 光ファイバ母材の製造方法

Publications (2)

Publication Number Publication Date
JP2004091303A true JP2004091303A (ja) 2004-03-25
JP2004091303A5 JP2004091303A5 (https=) 2004-12-24

Family

ID=32063423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002258923A Pending JP2004091303A (ja) 2002-09-04 2002-09-04 光ファイバ母材の製造方法

Country Status (1)

Country Link
JP (1) JP2004091303A (https=)

Similar Documents

Publication Publication Date Title
CN101189194B (zh) 通过拉长石英玻璃中空圆筒制造石英玻璃管的方法
WO2011145648A1 (ja) 光ファイバ母材およびこれを用いた光ファイバ素線の製造方法
US8661857B2 (en) Method of manufacturing optical fiber preform
US9440874B2 (en) Glass base material elongating method and glass base material elongating apparatus
US7135235B2 (en) Optical fiber preform and the method of producing the same
JP2004091303A (ja) 光ファイバ母材の製造方法
JP3576873B2 (ja) 光ファイバ母材の製造方法
JP4128831B2 (ja) 光ファイバ母材の製造方法
JP4690979B2 (ja) 光ファイバ母材の製造方法
JP4271125B2 (ja) 光ファイバ母材の延伸方法
JP2005263557A (ja) 多孔質ガラス母材の焼結方法及び焼結装置
CN1282618C (zh) 光纤母材的制造方法
JP3711219B2 (ja) 合成石英ガラスインゴットの製造方法
EP3957612B1 (en) Method for drawing optical fiber glass preform
US11384005B2 (en) Method for elongating glass preform for optical fiber
JP2004168623A (ja) 光ファイバ母材の製造方法
JP2004143015A (ja) 光ファイバ母材の製造方法
JP2001019453A (ja) 光ファイバ母材の製造方法
JP4464321B2 (ja) 石英ガラス棒の製造方法及び製造装置
JP2004175647A (ja) 光ファイバ母材の製造方法
JP2004010457A (ja) 光ファイバ母材の製造方法
JP2004137095A (ja) 光ファイバ母材の製造方法
JP4081713B2 (ja) ガラス母材の製造方法及びガラス母材の延伸方法
JP2001010836A (ja) 光ファイバ母材の製造方法
JP2003300745A (ja) ガラス母材の加工方法

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040130

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050829

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080410

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080415

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20080902