FR2242339A2 - High purity glass mfr. - in high frequency heated dielectric matl. water-cooled crucible - Google Patents
High purity glass mfr. - in high frequency heated dielectric matl. water-cooled crucibleInfo
- Publication number
- FR2242339A2 FR2242339A2 FR7429371A FR7429371A FR2242339A2 FR 2242339 A2 FR2242339 A2 FR 2242339A2 FR 7429371 A FR7429371 A FR 7429371A FR 7429371 A FR7429371 A FR 7429371A FR 2242339 A2 FR2242339 A2 FR 2242339A2
- Authority
- FR
- France
- Prior art keywords
- matl
- water
- high frequency
- high purity
- purity glass
- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 title abstract 3
- 230000004927 fusion Effects 0.000 abstract 2
- 239000013307 optical fiber Substances 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting 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
-
- 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
-
- 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
- C03B5/021—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by induction heating
-
- 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
- C03B5/025—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by arc discharge or plasma heating
-
- 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
- C03B5/18—Stirring devices; Homogenisation
- C03B5/183—Stirring devices; Homogenisation using thermal means, e.g. for creating convection currents
- C03B5/185—Electric means
-
- 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
- C03B5/225—Refining
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Plasma & Fusion (AREA)
- Glass Compositions (AREA)
- Glass Melting And Manufacturing (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3200573 | 1973-07-05 | ||
| GB4089073A GB1439496A (en) | 1973-08-30 | 1973-08-30 | Glass preparation |
| CH1464874A CH590794A5 (https=) | 1973-07-05 | 1974-11-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2242339A2 true FR2242339A2 (en) | 1975-03-28 |
| FR2242339B1 FR2242339B1 (https=) | 1982-05-21 |
Family
ID=27177216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7429371A Granted FR2242339A2 (en) | 1973-07-05 | 1974-08-28 | High purity glass mfr. - in high frequency heated dielectric matl. water-cooled crucible |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH590794A5 (https=) |
| DE (1) | DE2440771A1 (https=) |
| FR (1) | FR2242339A2 (https=) |
-
1974
- 1974-08-26 DE DE2440771A patent/DE2440771A1/de not_active Withdrawn
- 1974-08-28 FR FR7429371A patent/FR2242339A2/fr active Granted
- 1974-11-01 CH CH1464874A patent/CH590794A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH590794A5 (https=) | 1977-08-31 |
| DE2440771A1 (de) | 1975-03-06 |
| FR2242339B1 (https=) | 1982-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |