GB509291A - Improvements in or relating to arc lamp cathodes - Google Patents

Improvements in or relating to arc lamp cathodes

Info

Publication number
GB509291A
GB509291A GB35286/38A GB3528638A GB509291A GB 509291 A GB509291 A GB 509291A GB 35286/38 A GB35286/38 A GB 35286/38A GB 3528638 A GB3528638 A GB 3528638A GB 509291 A GB509291 A GB 509291A
Authority
GB
United Kingdom
Prior art keywords
relating
arc lamp
lamp cathodes
cathodes
arc
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
GB35286/38A
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.)
Mersen SA
Original Assignee
Carbone Lorraine SA
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 Carbone Lorraine SA filed Critical Carbone Lorraine SA
Publication of GB509291A publication Critical patent/GB509291A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/02—Details
    • H05B31/06—Electrodes
    • H05B31/08—Carbon electrodes
    • H05B31/10—Cored carbon electrodes
GB35286/38A 1937-12-22 1938-12-03 Improvements in or relating to arc lamp cathodes Expired GB509291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR509291X 1937-12-22

Publications (1)

Publication Number Publication Date
GB509291A true GB509291A (en) 1939-07-13

Family

ID=8910920

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35286/38A Expired GB509291A (en) 1937-12-22 1938-12-03 Improvements in or relating to arc lamp cathodes

Country Status (1)

Country Link
GB (1) GB509291A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5413689A (en) * 1992-06-12 1995-05-09 Moltech Invent S.A. Carbon containing body or mass useful as cell component

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5413689A (en) * 1992-06-12 1995-05-09 Moltech Invent S.A. Carbon containing body or mass useful as cell component

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