BE362221A - - Google Patents

Info

Publication number
BE362221A
BE362221A BE362221DA BE362221A BE 362221 A BE362221 A BE 362221A BE 362221D A BE362221D A BE 362221DA BE 362221 A BE362221 A BE 362221A
Authority
BE
Belgium
Application number
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.)
Publication of BE362221A publication Critical patent/BE362221A/xx

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
    • H01J9/042—Manufacture, activation of the emissive part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/006—Article or web delivery apparatus incorporating cutting or line-perforating devices with means for delivering a predetermined length of tape

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Paints Or Removers (AREA)
  • Solid Thermionic Cathode (AREA)
  • Discharge Lamp (AREA)
BE362221D 1928-07-20 BE362221A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US294326A US1842161A (en) 1928-07-20 1928-07-20 Electron emission material

Publications (1)

Publication Number Publication Date
BE362221A true BE362221A (xx)

Family

ID=23132929

Family Applications (1)

Application Number Title Priority Date Filing Date
BE362221D BE362221A (xx) 1928-07-20

Country Status (6)

Country Link
US (1) US1842161A (xx)
BE (1) BE362221A (xx)
DE (1) DE521050C (xx)
FR (1) FR678731A (xx)
GB (1) GB316104A (xx)
NL (1) NL28930C (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745742C (de) * 1937-03-09 1944-03-31 Elek Zitaets Ag Verfahren zur Herstellung von Oxydkathoden
US2600112A (en) * 1948-06-30 1952-06-10 Sylvania Electric Prod Electron emitter
US2673387A (en) * 1951-05-18 1954-03-30 Gen Electric Electron emission coating mixtures
US2985548A (en) * 1957-12-26 1961-05-23 Sylvania Electric Prod Method of making a low density coating for an electron discharge device
US4359489A (en) * 1981-03-18 1982-11-16 Corneille David M Coprecipitation process for thermionic cathode type materials
US4411827A (en) * 1981-03-18 1983-10-25 Corneille David M Coprecipitation process for thermionic cathode type materials

Also Published As

Publication number Publication date
NL28930C (xx)
US1842161A (en) 1932-01-19
FR678731A (fr) 1930-04-03
GB316104A (en) 1930-09-25
DE521050C (de) 1931-03-16

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