JPS5645846A - Heating furnace for optical fiber - Google Patents

Heating furnace for optical fiber

Info

Publication number
JPS5645846A
JPS5645846A JP12247579A JP12247579A JPS5645846A JP S5645846 A JPS5645846 A JP S5645846A JP 12247579 A JP12247579 A JP 12247579A JP 12247579 A JP12247579 A JP 12247579A JP S5645846 A JPS5645846 A JP S5645846A
Authority
JP
Japan
Prior art keywords
sintered body
heating element
shielding cylinders
hermetic vessel
clearance
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.)
Granted
Application number
JP12247579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5737537B2 (enrdf_load_stackoverflow
Inventor
Motohiro Nakahara
Fumiaki Hanawa
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP12247579A priority Critical patent/JPS5645846A/ja
Publication of JPS5645846A publication Critical patent/JPS5645846A/ja
Publication of JPS5737537B2 publication Critical patent/JPS5737537B2/ja
Granted 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

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)
JP12247579A 1979-09-22 1979-09-22 Heating furnace for optical fiber Granted JPS5645846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12247579A JPS5645846A (en) 1979-09-22 1979-09-22 Heating furnace for optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12247579A JPS5645846A (en) 1979-09-22 1979-09-22 Heating furnace for optical fiber

Publications (2)

Publication Number Publication Date
JPS5645846A true JPS5645846A (en) 1981-04-25
JPS5737537B2 JPS5737537B2 (enrdf_load_stackoverflow) 1982-08-10

Family

ID=14836760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12247579A Granted JPS5645846A (en) 1979-09-22 1979-09-22 Heating furnace for optical fiber

Country Status (1)

Country Link
JP (1) JPS5645846A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1110918A3 (en) * 1999-12-22 2002-06-05 Samsung Electronics Co., Ltd. Apparatus and method for sintering an over-jacketing sol-gel derived glass tube for an optical fiber preform

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58134235U (ja) * 1982-03-05 1983-09-09 日立造船株式会社 プレスにおける搬送装置
JPS623231U (enrdf_load_stackoverflow) * 1985-06-22 1987-01-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1110918A3 (en) * 1999-12-22 2002-06-05 Samsung Electronics Co., Ltd. Apparatus and method for sintering an over-jacketing sol-gel derived glass tube for an optical fiber preform
US6510711B2 (en) 1999-12-22 2003-01-28 Samsung Electronics Co., Ltd Apparatus and method for sintering a sol-gel tube using a furnace having a rotating cap

Also Published As

Publication number Publication date
JPS5737537B2 (enrdf_load_stackoverflow) 1982-08-10

Similar Documents

Publication Publication Date Title
GR3001517T3 (en) Valve and container with a valve
JPS5674447A (en) Vessel cover provided with improved liner
EP0000358A3 (en) Method for controlling the combustion of liquid fuels, and burner arrangement suitable for carrying out the method
JPS54127044A (en) Gas fuel burner
GB2107511B (en) Ring laser gyroscope with compensation
JPS5645846A (en) Heating furnace for optical fiber
ES462575A1 (es) Un procedimiento para la obtencion de silano.
GB2006940B (en) Fuel gas preheat for excess oxygen meintenance
JPS55118533A (en) Gas lighter
CA2003154A1 (en) Carbon electrode with gastight, temperature stable protective globe
GB2017870B (en) Pressure regulator for gas burners
JPS56138617A (en) Gas lighter
YU93480A (en) Furnace gas burner
JPS5654240A (en) Combination torch
GB2043858B (en) Gas lighter
JPS5295592A (en) Hydrogen gas denature apparatus by down draft cupola having furnace body forming ridge line of throwwin materials
YU33979A (en) Improved gas lighter adjusted for re-filling
JPS5462523A (en) Vessel for liquified gas
GB8727396D0 (en) Gas heated tank furnaces
JPS569201A (en) Refining of chlorine gas
SE8804032D0 (sv) Anordning vid foerbraenning av fasta braenslen benaemnd biobraenslepanna
ES8304943A1 (es) Un procedimiento para preparar 5-halogenopirimidina
GB2041510B (en) Gas taps for supplying burners
DE3474661D1 (en) Process for preparing pyrimidine
ES2088830A1 (es) Funda para encendedor y metodo para su fabricacion.