FR865858A - Perfectionnements aux machines à vide - Google Patents
Perfectionnements aux machines à videInfo
- Publication number
- FR865858A FR865858A FR865858DA FR865858A FR 865858 A FR865858 A FR 865858A FR 865858D A FR865858D A FR 865858DA FR 865858 A FR865858 A FR 865858A
- Authority
- FR
- France
- Prior art keywords
- vacuum machines
- machines
- vacuum
- 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
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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S53/00—Package making
- Y10S53/03—Sealing electron tubes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (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 |
---|---|---|---|
US275889A US2265381A (en) | 1939-05-26 | 1939-05-26 | Exhaust machine |
Publications (1)
Publication Number | Publication Date |
---|---|
FR865858A true FR865858A (fr) | 1941-06-06 |
Family
ID=23054248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR865858D Expired FR865858A (fr) | 1939-05-26 | 1940-05-25 | Perfectionnements aux machines à vide |
Country Status (3)
Country | Link |
---|---|
US (1) | US2265381A (fr) |
FR (1) | FR865858A (fr) |
GB (1) | GB536755A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2542636A (en) * | 1947-12-08 | 1951-02-20 | Gen Electric | Gas charging apparatus with gas pressure reducing valve |
US2774394A (en) * | 1951-08-18 | 1956-12-18 | Columbia Broadcasting Syst Inc | Exhaust system |
US2670115A (en) * | 1951-10-26 | 1954-02-23 | Westinghouse Electric Corp | Lamp holder |
US2928218A (en) * | 1954-11-19 | 1960-03-15 | American Can Co | Machine for closing tubes of plastic material through fusion |
US2863267A (en) * | 1956-08-14 | 1958-12-09 | Moore George Arlington | Air extractor and sealing device |
US2857723A (en) * | 1956-11-13 | 1958-10-28 | Western Electric Co | Apparatus for finishing mercury switches |
GB908421A (en) * | 1960-03-02 | 1962-10-17 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Method of and apparatus for tipping off the exhaust apertures of electric lamps and the like |
US3421874A (en) * | 1966-01-17 | 1969-01-14 | Clare & Co C P | Apparatus for making pressurized reed switches |
-
1939
- 1939-05-26 US US275889A patent/US2265381A/en not_active Expired - Lifetime
-
1940
- 1940-05-25 FR FR865858D patent/FR865858A/fr not_active Expired
- 1940-05-27 GB GB9275/40A patent/GB536755A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2265381A (en) | 1941-12-09 |
GB536755A (en) | 1941-05-26 |
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