NL19693C - - Google Patents
Info
- Publication number
- NL19693C NL19693C NL19693DA NL19693C NL 19693 C NL19693 C NL 19693C NL 19693D A NL19693D A NL 19693DA NL 19693 C NL19693 C NL 19693C
- Authority
- NL
- Netherlands
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F9/00—Diffusion pumps
-
- 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
- H01J9/385—Exhausting vessels
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Jet Pumps And Other Pumps (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA44588D DE518095C (de) | 1925-03-28 | 1925-03-28 | Entlueftungseinrichtung zur Erzeugung hoher Vakua |
| GB2380826A GB270947A (en) | 1926-09-27 | 1926-09-27 | Improvements in exhausting apparatus for the production of a high vacuum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL19693C true NL19693C (en:Method) |
Family
ID=25963983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL19693D NL19693C (en:Method) | 1925-03-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1716507A (en:Method) |
| DE (1) | DE518095C (en:Method) |
| FR (1) | FR621298A (en:Method) |
| NL (1) | NL19693C (en:Method) |
-
0
- NL NL19693D patent/NL19693C/xx active
-
1925
- 1925-03-28 DE DEA44588D patent/DE518095C/de not_active Expired
-
1926
- 1926-03-24 US US97071A patent/US1716507A/en not_active Expired - Lifetime
- 1926-09-12 FR FR621298D patent/FR621298A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR621298A (fr) | 1927-05-09 |
| US1716507A (en) | 1929-06-11 |
| DE518095C (de) | 1931-02-13 |