GB998670A - Improvements in or relating to electric furnaces for the manufacture of glass - Google Patents
Improvements in or relating to electric furnaces for the manufacture of glassInfo
- Publication number
- GB998670A GB998670A GB3985861A GB3985861A GB998670A GB 998670 A GB998670 A GB 998670A GB 3985861 A GB3985861 A GB 3985861A GB 3985861 A GB3985861 A GB 3985861A GB 998670 A GB998670 A GB 998670A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- glass
- grids
- furnace
- parallel
- 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
Links
Classifications
-
- 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
- C03B5/0275—Shaft furnaces
Abstract
998,670. Electrically heated glass furnaces. COMPAGNIE DE SAINT-GOBAIN. Nov. 7, 1961 [Nov. 7, 1960], No. 39858/61. Heading H5H. The electrodes in the melting compartment of a glass furnace, in which the starting materials are introduced at the top and the molten glass passes out through an opening near the bottom, extend into the charge and form two or more horizontal grids, each of three or more electrodes, arranged one above the other. Sets of parallel electrodes forming consecutive grids may, for a rectangular furnace plan, be arranged either parallel or perpendicular to one another, 8, 9, 10, Fig. 2, and Fig. 3, or, in a hexagonal furnace, may be arranged at successive angles of 120 degrees (Figs. 4 and 5, not shown); a circular furnace is also mentioned. Current may be passed only between different grids, or only between the different electrodes of each grid, by connecting the electrodes of each grid in parallel, or by suitably connecting a threephase supply, which latter also enables more complicated flow patterns to be produced, Fig. 2. Independent control of the current supply to the various grids permits refining of the glass in the lower part of the melting chamber; alternatively, the molten glass may pass to a separate electrically heated refining chamber.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1240860A CH365462A (en) | 1960-11-07 | 1960-11-07 | Electric furnace for glass making |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB998670A true GB998670A (en) | 1965-07-21 |
Family
ID=4382717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3985861A Expired GB998670A (en) | 1960-11-07 | 1961-11-07 | Improvements in or relating to electric furnaces for the manufacture of glass |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH365462A (en) |
| DE (1) | DE1218123B (en) |
| FR (1) | FR1305805A (en) |
| GB (1) | GB998670A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3524206A (en) * | 1968-04-08 | 1970-08-18 | Corning Glass Works | Method and apparatus for melting thermoplastic materials |
| FR2423453A1 (en) * | 1978-04-18 | 1979-11-16 | Corning Glass Works | Controlling temp. distribution in glass-melting furnace - using multiple electrodes with varying extents of bath penetration |
| DE2819121A1 (en) * | 1978-04-29 | 1979-11-08 | Corning Glass Works | Controlling temp. distribution in glass-melting furnace - using multiple electrodes with varying extents of bath penetration |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2413037A (en) * | 1943-09-18 | 1946-12-24 | Corning Glass Works | Electric glass melting furnace |
| DE805419C (en) * | 1946-05-07 | 1951-05-17 | Saint Gobain | Electric furnace for the production of glass and similar materials |
-
1960
- 1960-11-07 CH CH1240860A patent/CH365462A/en unknown
-
1961
- 1961-11-06 FR FR878045A patent/FR1305805A/en not_active Expired
- 1961-11-06 DE DE1961C0025444 patent/DE1218123B/en active Pending
- 1961-11-07 GB GB3985861A patent/GB998670A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1305805A (en) | 1962-10-05 |
| DE1218123B (en) | 1966-06-02 |
| CH365462A (en) | 1962-11-15 |
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