FR939027A - Improvements in the manufacture of vacuum tubes - Google Patents

Improvements in the manufacture of vacuum tubes

Info

Publication number
FR939027A
FR939027A FR939027DA FR939027A FR 939027 A FR939027 A FR 939027A FR 939027D A FR939027D A FR 939027DA FR 939027 A FR939027 A FR 939027A
Authority
FR
France
Prior art keywords
manufacture
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)
Inventor
Charles V Litton
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939027A publication Critical patent/FR939027A/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
    • H01J9/32—Sealing leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/32—Seals for leading-in conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR939027D 1946-03-27 1946-03-27 Improvements in the manufacture of vacuum tubes Expired FR939027A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR939027T 1946-03-27

Publications (1)

Publication Number Publication Date
FR939027A true FR939027A (en) 1948-11-02

Family

ID=9458475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939027D Expired FR939027A (en) 1946-03-27 1946-03-27 Improvements in the manufacture of vacuum tubes

Country Status (2)

Country Link
BE (1) BE463817A (en)
FR (1) FR939027A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791480A (en) * 1955-07-08 1957-05-07 Richard C Larson Method of making an electron tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791480A (en) * 1955-07-08 1957-05-07 Richard C Larson Method of making an electron tube

Also Published As

Publication number Publication date
BE463817A (en)

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