FI873952A0 - ANORDNING FOER AVLAEGSNANDE AV PULVERFORMIGT MATERIAL SOM SAMLAS I DEN ROERFORMIGA BAKDELEN VID TILLVERKNING AV EN OPTISK FIBERS AEMNE. - Google Patents

ANORDNING FOER AVLAEGSNANDE AV PULVERFORMIGT MATERIAL SOM SAMLAS I DEN ROERFORMIGA BAKDELEN VID TILLVERKNING AV EN OPTISK FIBERS AEMNE.

Info

Publication number
FI873952A0
FI873952A0 FI873952A FI873952A FI873952A0 FI 873952 A0 FI873952 A0 FI 873952A0 FI 873952 A FI873952 A FI 873952A FI 873952 A FI873952 A FI 873952A FI 873952 A0 FI873952 A0 FI 873952A0
Authority
FI
Finland
Prior art keywords
samlas
roerformiga
pulverformigt
bakdelen
optisk
Prior art date
Application number
FI873952A
Other languages
Finnish (fi)
Other versions
FI78891C (en
FI873952A (en
FI78891B (en
Inventor
Reijo Frantsi
Original Assignee
Nokia Oy Ab
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 Nokia Oy Ab filed Critical Nokia Oy Ab
Priority to FI873952A priority Critical patent/FI78891C/en
Publication of FI873952A0 publication Critical patent/FI873952A0/en
Priority to PCT/FI1988/000145 priority patent/WO1989002419A1/en
Publication of FI873952A publication Critical patent/FI873952A/en
Application granted granted Critical
Publication of FI78891B publication Critical patent/FI78891B/en
Publication of FI78891C publication Critical patent/FI78891C/en

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]
    • C03B37/018—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] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
    • C03B37/01846—Means for after-treatment or catching of worked reactant gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)
FI873952A 1987-09-11 1987-09-11 Apparatus for removing powdery material collected in the tubular rear part in the manufacture of an optical fiber blank FI78891C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI873952A FI78891C (en) 1987-09-11 1987-09-11 Apparatus for removing powdery material collected in the tubular rear part in the manufacture of an optical fiber blank
PCT/FI1988/000145 WO1989002419A1 (en) 1987-09-11 1988-09-12 A device for the removal of a powdery substance accumulating in a tubular back portion of an optical fiber preform during the manufacture thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI873952A FI78891C (en) 1987-09-11 1987-09-11 Apparatus for removing powdery material collected in the tubular rear part in the manufacture of an optical fiber blank
FI873952 1987-09-11

Publications (4)

Publication Number Publication Date
FI873952A0 true FI873952A0 (en) 1987-09-11
FI873952A FI873952A (en) 1989-03-12
FI78891B FI78891B (en) 1989-06-30
FI78891C FI78891C (en) 1989-10-10

Family

ID=8525038

Family Applications (1)

Application Number Title Priority Date Filing Date
FI873952A FI78891C (en) 1987-09-11 1987-09-11 Apparatus for removing powdery material collected in the tubular rear part in the manufacture of an optical fiber blank

Country Status (2)

Country Link
FI (1) FI78891C (en)
WO (1) WO1989002419A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2756556B1 (en) * 1996-12-02 1999-01-08 Alsthom Cge Alcatel INSTALLATION FOR MANUFACTURING A FIBER OPTIC PREFORM
KR100263729B1 (en) * 1998-06-24 2000-08-01 최만수 Apparatus and method for manufacturing optical fibers using inner jet
KR100456125B1 (en) * 2001-12-06 2004-11-06 엘지전선 주식회사 Apparatus for efficiently removing shoot, for the preparation of optical fiber preform
KR100556317B1 (en) * 2002-08-07 2006-03-03 엘에스전선 주식회사 Prevention device of soot blocking by using the difference of rotation speed between inner and outer tube in MCVD equipment
KR100526534B1 (en) * 2003-11-27 2005-11-08 삼성전자주식회사 Method and apparatus for manufacturing optical fiber preforms
NL1030749C2 (en) 2005-12-22 2007-06-25 Draka Comteq Bv Device and method for manufacturing an optical preform.
KR100737596B1 (en) 2006-03-06 2007-07-10 엘에스전선 주식회사 Soot removing apparatus for mcvd-process and soot removing method using the same
NL1033763C2 (en) * 2007-04-26 2008-10-28 Draka Comteq Bv Device and method for manufacturing an optical preform.
NL1034059C2 (en) 2007-06-29 2008-12-30 Draka Comteq Bv Method for manufacturing an optical fiber preform using a vapor deposition process.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278459A (en) * 1980-03-03 1981-07-14 Western Electric Company, Inc. Method and apparatus for exhausting optical fiber preform tubes
US4635314A (en) * 1985-04-15 1987-01-13 Itt Corporation Arrangement for removing glass soot from an exhaust tube during optical preform fabrication

Also Published As

Publication number Publication date
FI78891C (en) 1989-10-10
WO1989002419A1 (en) 1989-03-23
FI873952A (en) 1989-03-12
FI78891B (en) 1989-06-30

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: OY NOKIA AB

MA Patent expired