PT70821A - Method of melting vitreous materials and use of the suitable device for the accomplishment of the method - Google Patents

Method of melting vitreous materials and use of the suitable device for the accomplishment of the method

Info

Publication number
PT70821A
PT70821A PT70821A PT7082180A PT70821A PT 70821 A PT70821 A PT 70821A PT 70821 A PT70821 A PT 70821A PT 7082180 A PT7082180 A PT 7082180A PT 70821 A PT70821 A PT 70821A
Authority
PT
Portugal
Prior art keywords
accomplishment
suitable device
vitreous materials
melting vitreous
melting
Prior art date
Application number
PT70821A
Other languages
English (en)
Portuguese (pt)
Original Assignee
Tironi Electromecc
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 Tironi Electromecc filed Critical Tironi Electromecc
Publication of PT70821A publication Critical patent/PT70821A/pt

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0019—Circuit arrangements
    • H05B3/0023—Circuit arrangements for heating by passing the current directly across the material to be heated
    • 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
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1913—Control of temperature characterised by the use of electric means using an analogue comparing device delivering a series of pulses
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/66—Regulating electric power

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Resistance Heating (AREA)
  • Control Of Electrical Variables (AREA)
PT70821A 1979-02-19 1980-02-12 Method of melting vitreous materials and use of the suitable device for the accomplishment of the method PT70821A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT7940024A IT7940024A0 (it) 1979-02-19 1979-02-19 Metodo per la fusione di materiali vetrosi ed uso di dispositivo idoneo alla realizzazione del metodo

Publications (1)

Publication Number Publication Date
PT70821A true PT70821A (en) 1980-03-01

Family

ID=11246721

Family Applications (1)

Application Number Title Priority Date Filing Date
PT70821A PT70821A (en) 1979-02-19 1980-02-12 Method of melting vitreous materials and use of the suitable device for the accomplishment of the method

Country Status (8)

Country Link
US (1) US4412334A (show.php)
EP (1) EP0014873A1 (show.php)
BR (1) BR8000982A (show.php)
CA (1) CA1147784A (show.php)
ES (1) ES488397A0 (show.php)
GR (1) GR74071B (show.php)
IT (1) IT7940024A0 (show.php)
PT (1) PT70821A (show.php)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS235792B1 (en) 1983-04-06 1985-05-15 Pavel Zahalka Connection for direct heating of ionic melt especially of glass by alternating current passage with lower frequency than 50 hz
DE19531517C1 (de) * 1995-08-26 1996-11-14 Bosch Gmbh Robert Verfahren zur Steuerung der abgegebenen Leistung einer elektrischen Schaltung, insbesondere einer Sinusquelle
ITMI20101719A1 (it) * 2010-09-21 2012-03-22 Chin-Yi Lin Regolatore di potenza, sistema di controllo della potenza e relativo metodo

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902524A (en) * 1955-10-26 1959-09-01 Stratabar Process Company Method and apparatus for producing molten silicates
US3395237A (en) * 1967-05-03 1968-07-30 Harold S. Orton Electric resistance furnace
US3524918A (en) * 1967-09-04 1970-08-18 Tokyo Shibaura Electric Co Electrically-heated glass-melting apparatus
GB1256694A (show.php) * 1968-03-18 1971-12-15
US3633095A (en) * 1970-07-31 1972-01-04 Fairchild Camera Instr Co Zero-crossing power line control system
US3878358A (en) * 1972-11-16 1975-04-15 Xerox Corp Digital power control
US3818112A (en) * 1973-04-30 1974-06-18 Corhart Refractories Co Electrical furnace for melting glass
US3984611A (en) * 1974-10-15 1976-10-05 Owens-Corning Fiberglas Corporation Method of and apparatus for monitoring for incipient electrode failure in the Joule effect heating of heat softenable material
US3961236A (en) * 1975-02-07 1976-06-01 Xerox Corporation Constant power regulator for xerographic fusing system

Also Published As

Publication number Publication date
ES8101520A1 (es) 1980-12-16
BR8000982A (pt) 1980-10-29
GR74071B (show.php) 1984-06-06
CA1147784A (en) 1983-06-07
IT7940024A0 (it) 1979-02-19
US4412334A (en) 1983-10-25
EP0014873A1 (en) 1980-09-03
ES488397A0 (es) 1980-12-16

Similar Documents

Publication Publication Date Title
IL61005A (en) Method for the manufacture of dentures and device for carrying out the method
JPS55160476A (en) Phtovoltaic device and method of fabricating same
IL61252A0 (en) System and method for the sterile mixing of materials
PH15907A (en) Novel naphthyridine derivatives and method of use thereof
GB2054528B (en) Apparatus and method for controlling
JPS55144242A (en) Method and device for cleaning film
DE3069855D1 (en) Method of and apparatus for the manufacture of flat glass
GB2053012B (en) Method of and apparatus for the thermal treatment of flowable material
JPS5663300A (en) Decontaminating method and device
GB2040714B (en) Apparatus for making mortar and the like
DE3263303D1 (en) Method and device for the controlled cooling of sheets
JPS56108133A (en) Method and device for character designation and formation
GB2052730B (en) Method and apparatus for melting gellike substances
JPS55154215A (en) Method and device for making sleeve
PT70821A (en) Method of melting vitreous materials and use of the suitable device for the accomplishment of the method
PT70845A (en) Liquid container and method for the manufacture thereof
JPS54153029A (en) Method of and device for automatically or semiiautomatically focusing
GB2056293B (en) Method and apparatus for making composition friction materials
DE3063975D1 (en) Method and apparatus for the manufacture of tiles
DE2967142D1 (en) Method and apparatus for the manufacture of fusecord
JPS55147464A (en) Method and device for manufacturing hollow material
DE3162049D1 (en) Method for the preparation of 2-halo-3-sulfonyl-acrylonitriles and their use
JPS5643724A (en) Method and device for semiconductorrwafer pecvvtreatment
JPS5613067A (en) Method and device for vibrating member
DE3069392D1 (en) Method for the preparation of molybdenum-surface-compounds and their uses