BE450052A - - Google Patents
Info
- Publication number
- BE450052A BE450052A BE450052DA BE450052A BE 450052 A BE450052 A BE 450052A BE 450052D A BE450052D A BE 450052DA BE 450052 A BE450052 A BE 450052A
- Authority
- BE
- Belgium
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D8/00—Cold traps; Cold baffles
-
- 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
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/18—Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE236658X | 1942-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE450052A true BE450052A (de) |
Family
ID=5902679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE450052D BE450052A (de) | 1942-04-16 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE450052A (de) |
| CH (1) | CH236658A (de) |
| FR (1) | FR906403A (de) |
| NL (1) | NL64347C (de) |
-
0
- BE BE450052D patent/BE450052A/xx unknown
- NL NL64347D patent/NL64347C/xx active
-
1943
- 1943-04-06 FR FR906403D patent/FR906403A/fr not_active Expired
- 1943-04-09 CH CH236658D patent/CH236658A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR906403A (fr) | 1946-01-07 |
| CH236658A (de) | 1945-02-28 |
| NL64347C (de) |