FR925404A - Seasoning of vacuum tubes - Google Patents

Seasoning of vacuum tubes

Info

Publication number
FR925404A
FR925404A FR925404DA FR925404A FR 925404 A FR925404 A FR 925404A FR 925404D A FR925404D A FR 925404DA FR 925404 A FR925404 A FR 925404A
Authority
FR
France
Prior art keywords
seasoning
vacuum tubes
tubes
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR925404A publication Critical patent/FR925404A/en
Expired legal-status Critical Current

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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/30—Manufacture of bases

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FR925404D 1946-03-27 1946-03-27 Seasoning of vacuum tubes Expired FR925404A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925404T 1946-03-27

Publications (1)

Publication Number Publication Date
FR925404A true FR925404A (en) 1947-09-03

Family

ID=9440032

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925404D Expired FR925404A (en) 1946-03-27 1946-03-27 Seasoning of vacuum tubes

Country Status (2)

Country Link
US (1) US2516450A (en)
FR (1) FR925404A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182185A (en) * 1963-02-21 1965-05-04 Joseph M Ahroni Plug-in type christmas tree light

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1547670A (en) * 1920-11-08 1925-07-28 Western Electric Co Vacuum tube
US2193294A (en) * 1934-11-01 1940-03-12 Kerb Konus G M B H Electrical contact
US2034434A (en) * 1934-12-17 1936-03-17 Heintz & Kaufman Ltd Basing cement
US2049152A (en) * 1935-05-29 1936-07-28 Hygrade Sylvania Corp Base for tubes, lamps and the like
US2238025A (en) * 1937-05-28 1941-04-08 Hygrade Sylvania Corp Electron discharge device
US2216247A (en) * 1939-04-05 1940-10-01 Gen Electric Lamp terminal structure and method of manufacture
US2401998A (en) * 1943-06-19 1946-06-11 Sylvania Electric Prod Electrial discharge device
US2390308A (en) * 1943-10-27 1945-12-04 Theodore W Keller Moistureproof base

Also Published As

Publication number Publication date
US2516450A (en) 1950-07-25

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