FR552319A - Improvement in incandescent lamps - Google Patents
Improvement in incandescent lampsInfo
- Publication number
- FR552319A FR552319A FR552319DA FR552319A FR 552319 A FR552319 A FR 552319A FR 552319D A FR552319D A FR 552319DA FR 552319 A FR552319 A FR 552319A
- Authority
- FR
- France
- Prior art keywords
- improvement
- incandescent lamps
- incandescent
- lamps
- 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
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/04—Joining glass to metal by means of an interlayer
- C03C27/042—Joining glass to metal by means of an interlayer consisting of a combination of materials selected from glass, glass-ceramic or ceramic material with metals, metal oxides or metal salts
- C03C27/046—Joining glass to metal by means of an interlayer consisting of a combination of materials selected from glass, glass-ceramic or ceramic material with metals, metal oxides or metal salts of metals, metal oxides or metal salts only
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR552319T | 1922-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR552319A true FR552319A (en) | 1923-04-28 |
Family
ID=8937496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR552319D Expired FR552319A (en) | 1922-05-30 | 1922-05-30 | Improvement in incandescent lamps |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR552319A (en) |
-
1922
- 1922-05-30 FR FR552319D patent/FR552319A/en not_active Expired
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