CH205672A - Corps éclairant en matériau réfractaire. - Google Patents
Corps éclairant en matériau réfractaire.Info
- Publication number
- CH205672A CH205672A CH205672DA CH205672A CH 205672 A CH205672 A CH 205672A CH 205672D A CH205672D A CH 205672DA CH 205672 A CH205672 A CH 205672A
- Authority
- CH
- Switzerland
- Prior art keywords
- refractory material
- lighting body
- lighting
- refractory
- Prior art date
Links
- 239000011819 refractory material Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE418466A BE418466A (fr) | 1936-11-18 | 1936-11-18 | Perfectionnements aux lampes électriques à incandescence et analogues |
| BE424340A BE424340A (fr) | 1936-11-18 | 1937-10-29 | Perfectionnements aux lampes électriques à incandescence et analogues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH205672A true CH205672A (fr) | 1939-06-30 |
Family
ID=82068774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH205672D CH205672A (fr) | 1936-11-18 | 1937-11-11 | Corps éclairant en matériau réfractaire. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2126155A (fr) |
| BE (2) | BE418466A (fr) |
| CH (1) | CH205672A (fr) |
| DE (1) | DE744148C (fr) |
| FR (1) | FR829413A (fr) |
| GB (1) | GB498092A (fr) |
| NL (1) | NL51572C (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE960369C (de) * | 1953-06-19 | 1957-03-21 | Daimler Benz Ag | Elektrische Gluehbirne fuer Blinkleuchten |
| US3073986A (en) * | 1960-04-20 | 1963-01-15 | Gen Electric | Electric incandescent lamp |
| US3356883A (en) * | 1964-12-27 | 1967-12-05 | Sylvania Electric Prod | Florescent lamp having electrodes comprising a tubular braid and an additional wire coiled about the same space |
| US3423622A (en) * | 1966-07-05 | 1969-01-21 | Sylvania Electric Prod | Electrical filament support device |
| US4283653A (en) * | 1979-09-17 | 1981-08-11 | Duro-Test Corporation | High emissivity filament for energy conserving incandescent lamps with infrared radiation returning envelopes |
| JP4470084B2 (ja) * | 2001-03-06 | 2010-06-02 | 河北ライティングソリューションズ株式会社 | 電球 |
| US6737616B1 (en) | 2003-04-02 | 2004-05-18 | Tutco, Inc. | Open coil electric resistance heater using twisted resistance wires and methods of making |
-
1936
- 1936-11-18 BE BE418466A patent/BE418466A/fr unknown
-
1937
- 1937-10-29 BE BE424340A patent/BE424340A/fr unknown
- 1937-11-11 CH CH205672D patent/CH205672A/fr unknown
- 1937-11-12 US US174223A patent/US2126155A/en not_active Expired - Lifetime
- 1937-11-15 NL NL85030A patent/NL51572C/nl active
- 1937-11-16 DE DED76608D patent/DE744148C/de not_active Expired
- 1937-11-17 FR FR829413D patent/FR829413A/fr not_active Expired
- 1937-11-18 GB GB31749/37A patent/GB498092A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE418466A (fr) | 1936-12-31 |
| US2126155A (en) | 1938-08-09 |
| GB498092A (en) | 1939-01-03 |
| BE424340A (fr) | 1937-10-29 |
| DE744148C (de) | 1944-01-10 |
| FR829413A (fr) | 1938-06-27 |
| NL51572C (nl) | 1941-11-16 |
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