CH534339A - Ofen zur Herstellung hohler Rohlinge aus geschmolzenem Quarz - Google Patents
Ofen zur Herstellung hohler Rohlinge aus geschmolzenem QuarzInfo
- Publication number
- CH534339A CH534339A CH742972A CH742972A CH534339A CH 534339 A CH534339 A CH 534339A CH 742972 A CH742972 A CH 742972A CH 742972 A CH742972 A CH 742972A CH 534339 A CH534339 A CH 534339A
- Authority
- CH
- Switzerland
- Prior art keywords
- furnace
- production
- molten quartz
- hollow blanks
- blanks
- Prior art date
Links
- 239000010453 quartz Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 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
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/033—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by using resistance heaters above or in the glass bath, i.e. by indirect resistance heating
- C03B5/0334—Pot furnaces; Core furnaces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/09—Other methods of shaping glass by fusing powdered glass in a shaping mould
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Resistance Heating (AREA)
- Glass Melting And Manufacturing (AREA)
- Furnace Details (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14561171A | 1971-05-21 | 1971-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH534339A true CH534339A (de) | 1973-02-28 |
Family
ID=22513851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH742972A CH534339A (de) | 1971-05-21 | 1972-05-18 | Ofen zur Herstellung hohler Rohlinge aus geschmolzenem Quarz |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3674904A (de) |
| CH (1) | CH534339A (de) |
| DE (1) | DE2224663A1 (de) |
| FR (1) | FR2138751A1 (de) |
| GB (1) | GB1370572A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2263589C2 (de) * | 1972-12-27 | 1974-05-30 | Heraeus Schott Quarzschmelze Gmbh, 6450 Hanau | Verfahren zum Herstellen von Hohlzylindern, insbesondere von Rohren, aus Quarzglas und Vorrichtung zur Durchführung des Verfahrens |
| US4738938A (en) * | 1986-01-02 | 1988-04-19 | Ppg Industries, Inc. | Melting and vacuum refining of glass or the like and composition of sheet |
| US5312471A (en) * | 1991-12-02 | 1994-05-17 | Lothar Jung | Method and apparatus for the manufacture of large optical grade SiO2 glass preforms |
| FR2870842B1 (fr) * | 2004-05-27 | 2007-11-02 | Saint Gobain | Procede et dispositif de fabrication du verre et produits obtenus a l'aide de ce procede |
| JP5051875B2 (ja) * | 2006-12-25 | 2012-10-17 | 東京エレクトロン株式会社 | 成膜装置および成膜方法 |
-
1971
- 1971-05-21 US US145611A patent/US3674904A/en not_active Expired - Lifetime
-
1972
- 1972-05-18 CH CH742972A patent/CH534339A/de not_active IP Right Cessation
- 1972-05-18 FR FR7217861A patent/FR2138751A1/fr active Pending
- 1972-05-19 DE DE19722224663 patent/DE2224663A1/de active Pending
- 1972-05-19 GB GB2376872A patent/GB1370572A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3674904A (en) | 1972-07-04 |
| FR2138751A1 (de) | 1973-01-05 |
| GB1370572A (en) | 1974-10-16 |
| DE2224663A1 (de) | 1972-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AT320632B (de) | Verfahren zur Herstellung von Furanderivaten | |
| AT333698B (de) | Kontinuierliches verfahren zur herstellung von natriumpercarbonat | |
| AT320675B (de) | Verfahren zur Herstellung neuer, Schwefel enthaltender Organosiliziumverbindungen | |
| DE2212040A1 (de) | Verfahren zur herstellung von glashohlkoerpern | |
| AT318804B (de) | Verfahren zur Herstellung von neuen 3-Methylencephalosporinen | |
| AT321579B (de) | Verfahren zur Herstellung von Polyimiden | |
| AT321581B (de) | Verfahren zur Herstellung von Polyimiden | |
| AT314493B (de) | Verfahren zur kontinuierlichen Herstellung von N,N,N',N'-Tetraacetyläthylendiamin | |
| CH534339A (de) | Ofen zur Herstellung hohler Rohlinge aus geschmolzenem Quarz | |
| AT308764B (de) | Verfahren zur Herstellung von neuen N-Phosphonomethyl-acrylamiden | |
| AT317179B (de) | Verfahren zur Herstellung von Alkylphenolen | |
| AT336477B (de) | Verfahren zur herstellung von basischen, feuerfesten formlingen | |
| CH554308A (de) | Verfahren zur herstellung von dinitroanthrachinon-freiem 1-nitroanthrachinon. | |
| AT305868B (de) | Verfahren zur Herstellung von Sintermagnesia | |
| AT327377B (de) | Verfahren zur herstellung von aminopenicillinen | |
| AT316156B (de) | Verfahren zur Herstellung von Nickelpulver | |
| AT339059B (de) | Kontinuierliches verfahren zur herstellung von ferriten | |
| AT319608B (de) | Verfahren zur Herstellung neuer Polyepoxydpolysiloxane | |
| AT317168B (de) | Verfahren zur Herstellung von Pivalolacton | |
| CH553754A (de) | Verfahren zur herstellung von cyanacetylcarbamaten. | |
| AT310188B (de) | Verfahren zur Herstellung der neuen Äthylendiamin-mono-ß-propionsäure-tri-(methylenphosphonsäure) | |
| AT309383B (de) | Verfahren zur Herstellung von Leerblattsätzen | |
| AT329517B (de) | Verfahren zur herstellung von chlorcyan | |
| AT322736B (de) | Verfahren zur herstellung von 3-carbomoyloxymethyl-cephalosporinen | |
| AT312572B (de) | Verfahren zur Herstellung von Ketazinen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |