FR979747A - Improvements in the manufacture of electron tubes - Google Patents

Improvements in the manufacture of electron tubes

Info

Publication number
FR979747A
FR979747A FR979747DA FR979747A FR 979747 A FR979747 A FR 979747A FR 979747D A FR979747D A FR 979747DA FR 979747 A FR979747 A FR 979747A
Authority
FR
France
Prior art keywords
manufacture
electron tubes
tubes
electron
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.)
GTE Sylvania Inc
Original Assignee
Sylvania Electric Products Inc
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 Sylvania Electric Products Inc filed Critical Sylvania Electric Products Inc
Application granted granted Critical
Publication of FR979747A publication Critical patent/FR979747A/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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/06—Machines therefor
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53535—Means to assemble or disassemble including means to vibrate work
FR979747D 1948-02-20 1949-01-28 Improvements in the manufacture of electron tubes Expired FR979747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9844A US2729877A (en) 1948-02-20 1948-02-20 Heater inserter

Publications (1)

Publication Number Publication Date
FR979747A true FR979747A (en) 1951-05-02

Family

ID=21740040

Family Applications (1)

Application Number Title Priority Date Filing Date
FR979747D Expired FR979747A (en) 1948-02-20 1949-01-28 Improvements in the manufacture of electron tubes

Country Status (3)

Country Link
US (1) US2729877A (en)
FR (1) FR979747A (en)
GB (1) GB654953A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993981A (en) * 1955-04-08 1961-07-25 Sylvania Electric Prod Cathode tabber
US2999299A (en) * 1956-10-29 1961-09-12 Sylvania Electric Prod Base threading and welding method and apparatus
US3128529A (en) * 1958-06-09 1964-04-14 Saegertown Glasseals Inc Machine for assembling electrical components

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2351116A (en) * 1942-06-30 1944-06-13 Western Electric Co Article assembly apparatus
US2400122A (en) * 1943-06-25 1946-05-14 Tung Sol Lamp Works Inc Manufacture of miniature thermionic devices
US2498455A (en) * 1946-01-10 1950-02-21 Nat Union Radio Corp Heater inserting mechanism

Also Published As

Publication number Publication date
GB654953A (en) 1951-07-04
US2729877A (en) 1956-01-10

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