FR2337940A1 - Lampe a incandescence a atmosphere fluoree - Google Patents

Lampe a incandescence a atmosphere fluoree

Info

Publication number
FR2337940A1
FR2337940A1 FR7700791A FR7700791A FR2337940A1 FR 2337940 A1 FR2337940 A1 FR 2337940A1 FR 7700791 A FR7700791 A FR 7700791A FR 7700791 A FR7700791 A FR 7700791A FR 2337940 A1 FR2337940 A1 FR 2337940A1
Authority
FR
France
Prior art keywords
fluorine atmosphere
incandescence lamp
incandescence
lamp
fluorine
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.)
Granted
Application number
FR7700791A
Other languages
English (en)
French (fr)
Other versions
FR2337940B1 (enrdf_load_stackoverflow
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.)
EMI Group Ltd
Original Assignee
Thorn Electrical Industries Ltd
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 Thorn Electrical Industries Ltd filed Critical Thorn Electrical Industries Ltd
Publication of FR2337940A1 publication Critical patent/FR2337940A1/fr
Application granted granted Critical
Publication of FR2337940B1 publication Critical patent/FR2337940B1/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/50Selection of substances for gas fillings; Specified pressure thereof
FR7700791A 1976-01-12 1977-01-12 Lampe a incandescence a atmosphere fluoree Granted FR2337940A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1046/76A GB1571195A (en) 1976-01-12 1976-01-12 Manufacture of electric lamps containing fluorine

Publications (2)

Publication Number Publication Date
FR2337940A1 true FR2337940A1 (fr) 1977-08-05
FR2337940B1 FR2337940B1 (enrdf_load_stackoverflow) 1980-08-29

Family

ID=9715239

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700791A Granted FR2337940A1 (fr) 1976-01-12 1977-01-12 Lampe a incandescence a atmosphere fluoree

Country Status (14)

Country Link
JP (1) JPS52101882A (enrdf_load_stackoverflow)
AU (1) AU507646B2 (enrdf_load_stackoverflow)
BE (1) BE850295A (enrdf_load_stackoverflow)
CA (1) CA1069576A (enrdf_load_stackoverflow)
DE (1) DE2701050A1 (enrdf_load_stackoverflow)
DK (1) DK11677A (enrdf_load_stackoverflow)
FR (1) FR2337940A1 (enrdf_load_stackoverflow)
GB (1) GB1571195A (enrdf_load_stackoverflow)
IE (1) IE44477B1 (enrdf_load_stackoverflow)
IT (1) IT1086277B (enrdf_load_stackoverflow)
LU (1) LU76556A1 (enrdf_load_stackoverflow)
NL (1) NL7700151A (enrdf_load_stackoverflow)
SE (1) SE7700251L (enrdf_load_stackoverflow)
ZA (1) ZA77128B (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2081664A1 (enrdf_load_stackoverflow) * 1970-03-03 1971-12-10 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2081664A1 (enrdf_load_stackoverflow) * 1970-03-03 1971-12-10 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh

Also Published As

Publication number Publication date
IE44477B1 (en) 1981-12-16
LU76556A1 (enrdf_load_stackoverflow) 1977-06-17
IT1086277B (it) 1985-05-28
DK11677A (da) 1977-07-13
NL7700151A (nl) 1977-07-14
SE7700251L (sv) 1977-07-13
JPS52101882A (en) 1977-08-26
CA1069576A (en) 1980-01-08
DE2701050A1 (de) 1977-07-21
GB1571195A (en) 1980-07-09
BE850295A (fr) 1977-07-12
FR2337940B1 (enrdf_load_stackoverflow) 1980-08-29
ZA77128B (en) 1977-11-30
AU2126877A (en) 1978-07-20
AU507646B2 (en) 1980-02-21
IE44477L (en) 1977-07-12

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Legal Events

Date Code Title Description
ST Notification of lapse