GB725384A - Improvements in or relating to electric incandescent lamps or discharge tubes - Google Patents
Improvements in or relating to electric incandescent lamps or discharge tubesInfo
- Publication number
- GB725384A GB725384A GB13885/53A GB1388553A GB725384A GB 725384 A GB725384 A GB 725384A GB 13885/53 A GB13885/53 A GB 13885/53A GB 1388553 A GB1388553 A GB 1388553A GB 725384 A GB725384 A GB 725384A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- electric incandescent
- incandescent lamps
- discharge tubes
- bao
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
- C03C3/112—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine
- C03C3/115—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine containing boron
-
- 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
- C03C27/06—Joining glass to glass by processes other than fusing
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL725384X | 1952-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB725384A true GB725384A (en) | 1955-03-02 |
Family
ID=19817787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB13885/53A Expired GB725384A (en) | 1952-05-21 | 1953-05-18 | Improvements in or relating to electric incandescent lamps or discharge tubes |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE520063A (hu) |
DE (1) | DE1694986U (hu) |
FR (1) | FR1077457A (hu) |
GB (1) | GB725384A (hu) |
-
0
- BE BE520063D patent/BE520063A/xx unknown
-
1953
- 1953-05-18 GB GB13885/53A patent/GB725384A/en not_active Expired
- 1953-05-18 DE DEN3076U patent/DE1694986U/de not_active Expired
- 1953-05-20 FR FR1077457D patent/FR1077457A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE520063A (hu) | |
FR1077457A (fr) | 1954-11-08 |
DE1694986U (de) | 1955-03-17 |
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