NL29687C - - Google Patents
Info
- Publication number
- NL29687C NL29687C NL29687DA NL29687C NL 29687 C NL29687 C NL 29687C NL 29687D A NL29687D A NL 29687DA NL 29687 C NL29687 C NL 29687C
- Authority
- NL
- Netherlands
Links
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
- H01J9/39—Degassing vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/186—Getter supports
-
- 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
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE311654X | 1928-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL29687C true NL29687C (de) |
Family
ID=6130851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL29687D NL29687C (de) | 1928-05-12 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1875744A (de) |
| FR (1) | FR674931A (de) |
| GB (1) | GB311654A (de) |
| NL (1) | NL29687C (de) |
-
0
- NL NL29687D patent/NL29687C/xx active
-
1929
- 1929-05-11 FR FR674931D patent/FR674931A/fr not_active Expired
- 1929-05-13 GB GB14820/29A patent/GB311654A/en not_active Expired
- 1929-05-23 US US365340A patent/US1875744A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB311654A (en) | 1930-09-15 |
| US1875744A (en) | 1932-09-06 |
| FR674931A (fr) | 1930-02-04 |