ZA715027B - Production of tungsten halogen lamps - Google Patents
Production of tungsten halogen lampsInfo
- Publication number
- ZA715027B ZA715027B ZA715027A ZA715027A ZA715027B ZA 715027 B ZA715027 B ZA 715027B ZA 715027 A ZA715027 A ZA 715027A ZA 715027 A ZA715027 A ZA 715027A ZA 715027 B ZA715027 B ZA 715027B
- Authority
- ZA
- South Africa
- Prior art keywords
- production
- halogen lamps
- tungsten halogen
- tungsten
- lamps
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/50—Selection of substances for gas fillings; Specified pressure thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/22—Exhausting, degassing, filling, or cleaning vessels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3871970 | 1970-08-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA715027B true ZA715027B (en) | 1972-04-26 |
Family
ID=10405268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA715027A ZA715027B (en) | 1970-08-11 | 1971-07-28 | Production of tungsten halogen lamps |
Country Status (6)
Country | Link |
---|---|
US (1) | US3738729A (xx) |
CA (1) | CA934810A (xx) |
DE (1) | DE2139356C3 (xx) |
GB (1) | GB1318711A (xx) |
NL (1) | NL156539B (xx) |
ZA (1) | ZA715027B (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1276828A (en) * | 1970-10-15 | 1972-06-07 | Thorn Electrical Ind Ltd | Manufacture of tungsten halogen lamps |
US3811063A (en) * | 1972-12-22 | 1974-05-14 | J Rees | Electric incandescent lamps |
US4065694A (en) * | 1975-02-25 | 1977-12-27 | Westinghouse Electric Corporation | Regenerative-cycle incandescent lamp containing SnI4 additive |
US4078188A (en) * | 1976-03-30 | 1978-03-07 | Westinghouse Electric Corporation | Regenerative-cycle incandescent lamp containing a dual-additive |
EP0068655B1 (en) * | 1981-06-23 | 1985-10-16 | THORN EMI plc | Tungsten halogen incandescent lamps and mixed filling of gas and halogen compounds |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA763062A (en) * | 1967-07-11 | Bouwman Lucas | Iodine lamp | |
NL262249A (xx) * | 1960-03-11 | |||
US3091718A (en) * | 1960-07-08 | 1963-05-28 | Duro Test Corp | Constant lumen maintenance lamp |
-
1970
- 1970-08-11 GB GB3871970A patent/GB1318711A/en not_active Expired
-
1971
- 1971-07-28 ZA ZA715027A patent/ZA715027B/xx unknown
- 1971-08-06 DE DE2139356A patent/DE2139356C3/de not_active Expired
- 1971-08-10 US US00170627A patent/US3738729A/en not_active Expired - Lifetime
- 1971-08-11 CA CA120275A patent/CA934810A/en not_active Expired
- 1971-08-11 NL NL7111083.A patent/NL156539B/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL7111083A (xx) | 1972-02-15 |
NL156539B (nl) | 1978-04-17 |
AU3216271A (en) | 1973-03-22 |
US3738729A (en) | 1973-06-12 |
GB1318711A (en) | 1973-05-31 |
DE2139356A1 (xx) | 1972-02-17 |
DE2139356B2 (de) | 1978-05-11 |
CA934810A (en) | 1973-10-02 |
DE2139356C3 (de) | 1979-01-11 |
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