FR708251A - Manufacturing process of gas-filled electric lamps - Google Patents
Manufacturing process of gas-filled electric lampsInfo
- Publication number
- FR708251A FR708251A FR708251DA FR708251A FR 708251 A FR708251 A FR 708251A FR 708251D A FR708251D A FR 708251DA FR 708251 A FR708251 A FR 708251A
- Authority
- FR
- France
- Prior art keywords
- gas
- manufacturing process
- electric lamps
- filled electric
- filled
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/395—Filling vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT369596X | 1929-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR708251A true FR708251A (en) | 1931-07-22 |
Family
ID=3672927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR708251D Expired FR708251A (en) | 1929-12-28 | 1930-12-23 | Manufacturing process of gas-filled electric lamps |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2090981A (en) |
| FR (1) | FR708251A (en) |
| GB (1) | GB369596A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2474335A (en) * | 1947-05-13 | 1949-06-28 | Nat Union Radio Corp | Getter structure for electron discharge devices |
-
1930
- 1930-12-12 GB GB37595/30A patent/GB369596A/en not_active Expired
- 1930-12-20 US US503805A patent/US2090981A/en not_active Expired - Lifetime
- 1930-12-23 FR FR708251D patent/FR708251A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2090981A (en) | 1937-08-24 |
| GB369596A (en) | 1932-03-14 |
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