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FR681730A - Improvements to coated electrode manufacturing processes - Google Patents

Improvements to coated electrode manufacturing processes

Info

Publication number
FR681730A
FR681730A FR681730DA FR681730A FR 681730 A FR681730 A FR 681730A FR 681730D A FR681730D A FR 681730DA FR 681730 A FR681730 A FR 681730A
Authority
FR
France
Prior art keywords
manufacturing processes
electrode manufacturing
coated electrode
coated
processes
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR681730A publication Critical patent/FR681730A/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
    • 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
    • H01J9/042—Manufacture, activation of the emissive part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR681730D 1929-09-13 1929-09-13 Improvements to coated electrode manufacturing processes Expired FR681730A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR681730T 1929-09-13

Publications (1)

Publication Number Publication Date
FR681730A true FR681730A (en) 1930-05-19

Family

ID=9022959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR681730D Expired FR681730A (en) 1929-09-13 1929-09-13 Improvements to coated electrode manufacturing processes

Country Status (1)

Country Link
FR (1) FR681730A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741396C (en) * 1937-07-17 1943-11-10 Sueddeutsche Telefon App Kabel Process for the production of insulated coiled heating wires for indirectly heated cathodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741396C (en) * 1937-07-17 1943-11-10 Sueddeutsche Telefon App Kabel Process for the production of insulated coiled heating wires for indirectly heated cathodes

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