DE307430C - - Google Patents
Info
- Publication number
- DE307430C DE307430C DENDAT307430D DE307430DA DE307430C DE 307430 C DE307430 C DE 307430C DE NDAT307430 D DENDAT307430 D DE NDAT307430D DE 307430D A DE307430D A DE 307430DA DE 307430 C DE307430 C DE 307430C
- Authority
- DE
- Germany
- Prior art keywords
- gas
- lamp
- action
- internal pressure
- production
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 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
- H01J9/40—Closing vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Resistance Heating (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE307430C true DE307430C (https=) |
Family
ID=560768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT307430D Active DE307430C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE307430C (https=) |
-
0
- DE DENDAT307430D patent/DE307430C/de active Active
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