GB651989A - Improvements in electrically heated furnaces for drawing glass and analogous plasticmaterials - Google Patents

Improvements in electrically heated furnaces for drawing glass and analogous plasticmaterials

Info

Publication number
GB651989A
GB651989A GB7606/48A GB760648A GB651989A GB 651989 A GB651989 A GB 651989A GB 7606/48 A GB7606/48 A GB 7606/48A GB 760648 A GB760648 A GB 760648A GB 651989 A GB651989 A GB 651989A
Authority
GB
United Kingdom
Prior art keywords
tubes
rods
plasticmaterials
analogous
march
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
Application number
GB7606/48A
Other languages
English (en)
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.)
SKLARNY A RAFINERIE DRIVE JOSE
Original Assignee
SKLARNY A RAFINERIE DRIVE JOSE
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 SKLARNY A RAFINERIE DRIVE JOSE filed Critical SKLARNY A RAFINERIE DRIVE JOSE
Publication of GB651989A publication Critical patent/GB651989A/en
Expired 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2205/00—Fibre drawing or extruding details
    • C03B2205/60—Optical fibre draw furnaces
    • C03B2205/62—Heating means for drawing
    • C03B2205/63—Ohmic resistance heaters, e.g. carbon or graphite resistance heaters

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)
  • Processing Of Solid Wastes (AREA)
  • Resistance Heating (AREA)
GB7606/48A 1940-03-18 1948-03-12 Improvements in electrically heated furnaces for drawing glass and analogous plasticmaterials Expired GB651989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE261930X 1940-03-18

Publications (1)

Publication Number Publication Date
GB651989A true GB651989A (en) 1951-04-11

Family

ID=5976843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7606/48A Expired GB651989A (en) 1940-03-18 1948-03-12 Improvements in electrically heated furnaces for drawing glass and analogous plasticmaterials

Country Status (3)

Country Link
BE (1) BE479445A (en:Method)
CH (1) CH261930A (en:Method)
GB (1) GB651989A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7000430B1 (en) * 1999-03-23 2006-02-21 Schott Ag Method of forming glass-ceramic parts and/or glass parts
US7017370B1 (en) 1999-03-23 2006-03-28 Schott Ag Method and device for the homogenous heating of glass and/or glass-ceramic articles using infrared radiation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7000430B1 (en) * 1999-03-23 2006-02-21 Schott Ag Method of forming glass-ceramic parts and/or glass parts
US7017370B1 (en) 1999-03-23 2006-03-28 Schott Ag Method and device for the homogenous heating of glass and/or glass-ceramic articles using infrared radiation

Also Published As

Publication number Publication date
CH261930A (de) 1949-06-15
BE479445A (en:Method)

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