IT1014540B - Metodo ed apparecchiatura per pro durre filamenti da correnti di ma teriale ammorbidito a caldo - Google Patents

Metodo ed apparecchiatura per pro durre filamenti da correnti di ma teriale ammorbidito a caldo

Info

Publication number
IT1014540B
IT1014540B IT1986274A IT1986274A IT1014540B IT 1014540 B IT1014540 B IT 1014540B IT 1986274 A IT1986274 A IT 1986274A IT 1986274 A IT1986274 A IT 1986274A IT 1014540 B IT1014540 B IT 1014540B
Authority
IT
Italy
Prior art keywords
equipment
during current
softened material
current filaments
hot softened
Prior art date
Application number
IT1986274A
Other languages
English (en)
Original Assignee
Owens Corning Fiberglass 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 Owens Corning Fiberglass Corp filed Critical Owens Corning Fiberglass Corp
Application granted granted Critical
Publication of IT1014540B publication Critical patent/IT1014540B/it

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • G05D23/2401—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor using a heating element as a sensing element
    • 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
    • C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
    • C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique

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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
IT1986274A 1973-02-02 1974-01-25 Metodo ed apparecchiatura per pro durre filamenti da correnti di ma teriale ammorbidito a caldo IT1014540B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32928373A 1973-02-02 1973-02-02

Publications (1)

Publication Number Publication Date
IT1014540B true IT1014540B (it) 1977-04-30

Family

ID=23284691

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1986274A IT1014540B (it) 1973-02-02 1974-01-25 Metodo ed apparecchiatura per pro durre filamenti da correnti di ma teriale ammorbidito a caldo

Country Status (7)

Country Link
JP (1) JPS49109636A (it)
BE (1) BE810185A (it)
CA (1) CA991410A (it)
DE (1) DE2403468A1 (it)
FR (1) FR2216236A1 (it)
IT (1) IT1014540B (it)
NL (1) NL7401471A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267434A (en) * 1979-06-14 1981-05-12 Honeywell Inc. Method of and apparatus for heat processing photosensitive material

Also Published As

Publication number Publication date
JPS49109636A (it) 1974-10-18
FR2216236B3 (it) 1976-11-05
CA991410A (en) 1976-06-22
DE2403468A1 (de) 1974-08-08
BE810185A (fr) 1974-05-16
NL7401471A (it) 1974-08-06
FR2216236A1 (en) 1974-08-30

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