ZA802592B - Electric forehearth - Google Patents
Electric forehearthInfo
- Publication number
- ZA802592B ZA802592B ZA00802592A ZA802592A ZA802592B ZA 802592 B ZA802592 B ZA 802592B ZA 00802592 A ZA00802592 A ZA 00802592A ZA 802592 A ZA802592 A ZA 802592A ZA 802592 B ZA802592 B ZA 802592B
- Authority
- ZA
- South Africa
- Prior art keywords
- forehearth
- electric
- electric forehearth
- Prior art date
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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
- C03B5/03—Tank furnaces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/163—Electrochemical treatments, e.g. to prevent bubbling or to create bubbles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
- C03B7/02—Forehearths, i.e. feeder channels
- C03B7/06—Means for thermal conditioning or controlling the temperature of the glass
- C03B7/07—Electric means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Glass Melting And Manufacturing (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/047,677 US4227909A (en) | 1979-06-12 | 1979-06-12 | Electric forehearth and method of melting therein |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA802592B true ZA802592B (en) | 1981-05-27 |
Family
ID=21950331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00802592A ZA802592B (en) | 1979-06-12 | 1980-04-30 | Electric forehearth |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4227909A (el) |
| JP (1) | JPS55167141A (el) |
| AU (1) | AU517133B2 (el) |
| BE (1) | BE883709A (el) |
| BR (1) | BR8003640A (el) |
| CA (1) | CA1144966A (el) |
| DE (1) | DE3022091C2 (el) |
| ES (2) | ES8104150A1 (el) |
| FR (1) | FR2458515B1 (el) |
| GB (1) | GB2053890B (el) |
| GR (1) | GR68420B (el) |
| IT (1) | IT1148257B (el) |
| MX (1) | MX147826A (el) |
| NL (1) | NL175517C (el) |
| PH (1) | PH19735A (el) |
| ZA (1) | ZA802592B (el) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3017374C1 (de) * | 1980-05-07 | 1982-08-26 | Eglasstrek Patent Promotion & Awarding GmbH, 6203 Hochheim | Vorrichtung zur Herstellung von Glasfasern |
| DE3111484C2 (de) * | 1981-03-24 | 1983-12-22 | Diether 6203 Hochheim Böttger | Verfahren und Vorrichtung zur Herstellung von Glasfasern |
| US4389725A (en) * | 1981-07-27 | 1983-06-21 | Owens-Illinois, Inc. | Electric boosting control for a glass forehearth |
| GB9616364D0 (en) * | 1996-08-03 | 1996-09-11 | Pilkington Plc | Float glass production |
| GB2329981B (en) * | 1997-10-02 | 2002-05-01 | Douglas Robert Taylor | Electrical control systems |
| DE10009425A1 (de) * | 2000-02-28 | 2001-09-06 | Schott Glas | Verfahren zur Sauerstoffläuterung von Glasschmelzen |
| DE10236521B4 (de) * | 2002-08-09 | 2005-06-23 | Schott Ag | Wanne zum Schmelzen und Läutern von Glas |
| TW201116496A (en) * | 2003-02-10 | 2011-05-16 | Nippon Electric Glass Co | Molten glass supply device, glass formed product, and method of producing the glass formed product |
| DE102004033714B4 (de) * | 2004-07-13 | 2007-10-18 | Schott Ag | Einrichtung zur elektrischen Erdung einer Glas-Floatanlage |
| DE102006003534A1 (de) * | 2006-01-24 | 2007-08-02 | Schott Ag | Verfahren und Vorrichtung zum Korrosionsschutz von Elektroden bei der Temperaturbeeinflussung einer Schmelze |
| CN102234172A (zh) * | 2010-04-26 | 2011-11-09 | 信义光伏产业(安徽)控股有限公司 | 一种超白压延玻璃窑炉 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1905533A (en) * | 1930-03-01 | 1933-04-25 | Hartford Empire Co | Forehearth of glass melting furnaces |
| US1928288A (en) * | 1930-04-29 | 1933-09-26 | Hartford Empire Co | Forehearth for molten glass and method of controlling the temperature of the glass therein |
| US2545619A (en) * | 1943-08-11 | 1951-03-20 | Mfg Des Glaces Et Products Chi | Electric glass furnace |
| GB1201655A (en) * | 1967-08-17 | 1970-08-12 | Elemelt Ltd | Improvements relating to methods of and furaces for supplying molten glass |
| US3530221A (en) * | 1968-05-01 | 1970-09-22 | Penberthy Harvey Larry | Ac/dc electrode and power supply system for a glass furnace |
| CS178528B1 (en) * | 1974-05-06 | 1977-10-31 | Vaclav Suesser | Method of protecting metal heating electrodes of melting furnaces and device for improving this method |
| US4029488A (en) * | 1976-08-02 | 1977-06-14 | C. Rhett, Inc. | Method of adjusting glass temperature in a forehearth |
| FR2364862A1 (fr) * | 1976-09-21 | 1978-04-14 | Emballage Ste Gle Pour | Procede et dispositif pour le conditionnement thermique du verre dans un four de verre creux |
-
1979
- 1979-06-12 US US06/047,677 patent/US4227909A/en not_active Expired - Lifetime
-
1980
- 1980-04-25 GR GR61782A patent/GR68420B/el unknown
- 1980-04-29 MX MX182126A patent/MX147826A/es unknown
- 1980-04-30 ZA ZA00802592A patent/ZA802592B/xx unknown
- 1980-05-02 NL NLAANVRAGE8002559,A patent/NL175517C/xx not_active IP Right Cessation
- 1980-05-13 ES ES491418A patent/ES8104150A1/es not_active Expired
- 1980-05-14 CA CA000351961A patent/CA1144966A/en not_active Expired
- 1980-05-14 PH PH24024A patent/PH19735A/en unknown
- 1980-05-21 JP JP6659280A patent/JPS55167141A/ja active Granted
- 1980-05-26 IT IT48796/80A patent/IT1148257B/it active
- 1980-06-03 ES ES492098A patent/ES8104151A1/es not_active Expired
- 1980-06-04 GB GB8018194A patent/GB2053890B/en not_active Expired
- 1980-06-06 BE BE0/200951A patent/BE883709A/fr not_active IP Right Cessation
- 1980-06-06 AU AU59109/80A patent/AU517133B2/en not_active Ceased
- 1980-06-11 BR BR8003640A patent/BR8003640A/pt not_active IP Right Cessation
- 1980-06-11 FR FR8013004A patent/FR2458515B1/fr not_active Expired
- 1980-06-12 DE DE3022091A patent/DE3022091C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL8002559A (nl) | 1980-12-16 |
| JPS6316343B2 (el) | 1988-04-08 |
| DE3022091A1 (de) | 1981-01-08 |
| IT1148257B (it) | 1986-11-26 |
| AU517133B2 (en) | 1981-07-09 |
| NL175517B (nl) | 1984-06-18 |
| ES491418A0 (es) | 1981-04-16 |
| US4227909A (en) | 1980-10-14 |
| NL175517C (nl) | 1984-11-16 |
| JPS55167141A (en) | 1980-12-26 |
| ES492098A0 (es) | 1981-04-01 |
| ES8104151A1 (es) | 1981-04-01 |
| IT8048796A0 (it) | 1980-05-26 |
| FR2458515B1 (fr) | 1985-09-13 |
| BE883709A (fr) | 1980-10-01 |
| GB2053890A (en) | 1981-02-11 |
| DE3022091C2 (de) | 1982-12-30 |
| GB2053890B (en) | 1983-03-16 |
| FR2458515A1 (fr) | 1981-01-02 |
| PH19735A (en) | 1986-06-17 |
| BR8003640A (pt) | 1981-01-05 |
| ES8104150A1 (es) | 1981-04-16 |
| MX147826A (es) | 1983-01-18 |
| CA1144966A (en) | 1983-04-19 |
| AU5910980A (en) | 1981-03-26 |
| GR68420B (el) | 1981-12-29 |
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