GB2362645B - Apparatus for producing glass preform - Google Patents

Apparatus for producing glass preform

Info

Publication number
GB2362645B
GB2362645B GB0117080A GB0117080A GB2362645B GB 2362645 B GB2362645 B GB 2362645B GB 0117080 A GB0117080 A GB 0117080A GB 0117080 A GB0117080 A GB 0117080A GB 2362645 B GB2362645 B GB 2362645B
Authority
GB
United Kingdom
Prior art keywords
glass preform
producing glass
producing
preform
glass
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.)
Expired - Fee Related
Application number
GB0117080A
Other versions
GB2362645A (en
GB0117080D0 (en
Inventor
Tomohiro Ishihara
Yuichi Ohga
Satoshi Tanaka
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric 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
Priority claimed from JP9242823A external-priority patent/JPH1179773A/en
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of GB0117080D0 publication Critical patent/GB0117080D0/en
Publication of GB2362645A publication Critical patent/GB2362645A/en
Application granted granted Critical
Publication of GB2362645B publication Critical patent/GB2362645B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C03B37/012—Manufacture of preforms for drawing fibres or filaments
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
    • C03B37/0146—Furnaces therefor, e.g. muffle tubes, furnace linings
    • 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
    • C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
    • C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal 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)
GB0117080A 1997-09-08 1998-09-07 Apparatus for producing glass preform Expired - Fee Related GB2362645B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9242823A JPH1179773A (en) 1997-09-08 1997-09-08 Production of glass preform and device therefor
GB9819479A GB2328938B (en) 1997-09-08 1998-09-07 Method for producing glass preform

Publications (3)

Publication Number Publication Date
GB0117080D0 GB0117080D0 (en) 2001-09-05
GB2362645A GB2362645A (en) 2001-11-28
GB2362645B true GB2362645B (en) 2002-03-20

Family

ID=26314338

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0117080A Expired - Fee Related GB2362645B (en) 1997-09-08 1998-09-07 Apparatus for producing glass preform

Country Status (1)

Country Link
GB (1) GB2362645B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0547560A2 (en) * 1991-12-16 1993-06-23 Sumitomo Electric Industries, Ltd Process for vitrification of a porous preform for glass optical fibers by heating under reduce
EP0628521A1 (en) * 1993-06-08 1994-12-14 Sumitomo Electric Industries, Ltd Apparatus for vitrifying soot preform for optical fiber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0547560A2 (en) * 1991-12-16 1993-06-23 Sumitomo Electric Industries, Ltd Process for vitrification of a porous preform for glass optical fibers by heating under reduce
EP0628521A1 (en) * 1993-06-08 1994-12-14 Sumitomo Electric Industries, Ltd Apparatus for vitrifying soot preform for optical fiber

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PAJ abstract of JP10-067522A *

Also Published As

Publication number Publication date
GB2362645A (en) 2001-11-28
GB0117080D0 (en) 2001-09-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060907