DE2554282A1 - Roehrengluehlampe mit in abstaenden angeordneten gluehfadenabschnitten - Google Patents
Roehrengluehlampe mit in abstaenden angeordneten gluehfadenabschnittenInfo
- Publication number
- DE2554282A1 DE2554282A1 DE19752554282 DE2554282A DE2554282A1 DE 2554282 A1 DE2554282 A1 DE 2554282A1 DE 19752554282 DE19752554282 DE 19752554282 DE 2554282 A DE2554282 A DE 2554282A DE 2554282 A1 DE2554282 A1 DE 2554282A1
- Authority
- DE
- Germany
- Prior art keywords
- filament
- segments
- coiled
- incandescent lamp
- elongated tubular
- 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.)
- Pending
Links
- 229910001220 stainless steel Inorganic materials 0.000 title 1
- 239000010935 stainless steel Substances 0.000 title 1
- 239000005401 pressed glass Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/18—Mountings or supports for the incandescent body
- H01K1/24—Mounts for lamps with connections at opposite ends, e.g. for tubular lamp
Landscapes
- Resistance Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/530,118 US3943395A (en) | 1974-12-06 | 1974-12-06 | Tubular incandescent lamp having spaced segments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2554282A1 true DE2554282A1 (de) | 1976-06-10 |
Family
ID=24112517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752554282 Pending DE2554282A1 (de) | 1974-12-06 | 1975-12-03 | Roehrengluehlampe mit in abstaenden angeordneten gluehfadenabschnitten |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3943395A (enExample) |
| BE (1) | BE836313A (enExample) |
| DE (1) | DE2554282A1 (enExample) |
| FR (1) | FR2293792A1 (enExample) |
| GB (1) | GB1521918A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185219A (en) * | 1977-07-04 | 1980-01-22 | Tokyo Shibaura Denki Kabushiki Kaisha | Tubular incandescent lamp |
| NL8004030A (nl) * | 1980-07-14 | 1982-02-16 | Philips Nv | Elektrische gloeilamp. |
| JPS6257369U (enExample) * | 1985-09-30 | 1987-04-09 | ||
| US4959586A (en) * | 1988-05-24 | 1990-09-25 | U.S. Philips Corporation | Electric incandescent lamp |
| JP2513115Y2 (ja) * | 1989-04-24 | 1996-10-02 | シャープ株式会社 | フィルタを有する露光装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3211943A (en) * | 1963-10-07 | 1965-10-12 | Gen Electric | Electric incandescent lamp |
| US3295007A (en) * | 1964-06-25 | 1966-12-27 | Gen Electric | Differential output tubular incandescent lamp |
| US3376460A (en) * | 1965-09-20 | 1968-04-02 | Sylvania Electric Prod | Conical shaped filament support |
| US3416024A (en) * | 1966-05-31 | 1968-12-10 | Gen Electric | Differential output incandescent lamp |
-
1974
- 1974-12-06 US US05/530,118 patent/US3943395A/en not_active Expired - Lifetime
-
1975
- 1975-12-03 DE DE19752554282 patent/DE2554282A1/de active Pending
- 1975-12-03 FR FR7537030A patent/FR2293792A1/fr active Granted
- 1975-12-05 GB GB50113/75A patent/GB1521918A/en not_active Expired
- 1975-12-05 BE BE162469A patent/BE836313A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2293792A1 (fr) | 1976-07-02 |
| FR2293792B3 (enExample) | 1979-09-21 |
| BE836313A (fr) | 1976-06-08 |
| US3943395A (en) | 1976-03-09 |
| GB1521918A (en) | 1978-08-16 |
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