BE850572A - APPARATUS AND CONTROL SYSTEM FOR CLOSE HEATING ELEMENTS - Google Patents

APPARATUS AND CONTROL SYSTEM FOR CLOSE HEATING ELEMENTS

Info

Publication number
BE850572A
BE850572A BE174237A BE174237A BE850572A BE 850572 A BE850572 A BE 850572A BE 174237 A BE174237 A BE 174237A BE 174237 A BE174237 A BE 174237A BE 850572 A BE850572 A BE 850572A
Authority
BE
Belgium
Prior art keywords
control system
heating elements
close heating
close
elements
Prior art date
Application number
BE174237A
Other languages
French (fr)
Original Assignee
Ppg Industries Inc
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 US05/650,818 external-priority patent/US4017287A/en
Application filed by Ppg Industries Inc filed Critical Ppg Industries Inc
Publication of BE850572A publication Critical patent/BE850572A/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
    • C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
    • C03B37/0203—Cooling non-optical fibres drawn or extruded from bushings, nozzles or orifices
    • C03B37/0209—Cooling non-optical fibres drawn or extruded from bushings, nozzles or orifices by means of a solid heat sink, e.g. cooling fins
    • 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
    • C03B37/0203—Cooling non-optical fibres drawn or extruded from bushings, nozzles or orifices
    • C03B37/0213—Cooling non-optical fibres drawn or extruded from bushings, nozzles or orifices by forced gas cooling, i.e. blowing or suction
    • 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
    • C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
    • C03B37/09—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates electrically heated
    • C03B37/091—Indirect-resistance heating
    • 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
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
    • G05D23/1932—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces
    • G05D23/1934—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces each space being provided with one sensor acting on one or more control means
    • 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
    • G05D23/22—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 being a thermocouple

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Control Of Resistance Heating (AREA)
  • Glass Melting And Manufacturing (AREA)
BE174237A 1976-01-20 1977-01-20 APPARATUS AND CONTROL SYSTEM FOR CLOSE HEATING ELEMENTS BE850572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/650,818 US4017287A (en) 1973-01-02 1976-01-20 Control apparatus and system for closely spaced heating elements for forming glass fibers and method of using same

Publications (1)

Publication Number Publication Date
BE850572A true BE850572A (en) 1977-07-20

Family

ID=24610430

Family Applications (1)

Application Number Title Priority Date Filing Date
BE174237A BE850572A (en) 1976-01-20 1977-01-20 APPARATUS AND CONTROL SYSTEM FOR CLOSE HEATING ELEMENTS

Country Status (6)

Country Link
JP (1) JPS5289842A (en)
BE (1) BE850572A (en)
DE (1) DE2701551C3 (en)
FR (2) FR2352755A1 (en)
IT (1) IT1082710B (en)
NL (1) NL7700517A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697241A (en) * 1969-01-14 1972-10-10 Ppg Industries Inc Method and apparatus for providing controlled quench in the manufacture of fiber glass
US3969098A (en) * 1973-01-02 1976-07-13 Ppg Industries, Inc. Control apparatus and system for closely spaced heating elements
CA1004335A (en) * 1973-01-02 1977-01-25 Thomas H. Jensen Glass fiberizing heating control system

Also Published As

Publication number Publication date
FR2352756A1 (en) 1977-12-23
NL7700517A (en) 1977-07-22
JPS5289842A (en) 1977-07-28
DE2701551A1 (en) 1977-07-21
IT1082710B (en) 1985-05-21
DE2701551C3 (en) 1980-04-24
FR2352755A1 (en) 1977-12-23
DE2701551B2 (en) 1979-08-16

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