GB1318168A - Method of manufacturing an incandescent electric lamp - Google Patents

Method of manufacturing an incandescent electric lamp

Info

Publication number
GB1318168A
GB1318168A GB1935672A GB1935672A GB1318168A GB 1318168 A GB1318168 A GB 1318168A GB 1935672 A GB1935672 A GB 1935672A GB 1935672 A GB1935672 A GB 1935672A GB 1318168 A GB1318168 A GB 1318168A
Authority
GB
United Kingdom
Prior art keywords
incandescent electric
manufacturing
electric lamp
oxynitride
phosphorus
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
GB1935672A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1318168A publication Critical patent/GB1318168A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/52Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H01K1/56Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter

Landscapes

  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB1935672A 1971-04-29 1972-04-26 Method of manufacturing an incandescent electric lamp Expired GB1318168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7105839A NL7105839A (enrdf_load_stackoverflow) 1971-04-29 1971-04-29

Publications (1)

Publication Number Publication Date
GB1318168A true GB1318168A (en) 1973-05-23

Family

ID=19813035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1935672A Expired GB1318168A (en) 1971-04-29 1972-04-26 Method of manufacturing an incandescent electric lamp

Country Status (7)

Country Link
US (1) US3784275A (enrdf_load_stackoverflow)
JP (1) JPS5229546B1 (enrdf_load_stackoverflow)
CA (1) CA946457A (enrdf_load_stackoverflow)
DE (1) DE2217531B2 (enrdf_load_stackoverflow)
FR (1) FR2136770A5 (enrdf_load_stackoverflow)
GB (1) GB1318168A (enrdf_load_stackoverflow)
NL (1) NL7105839A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727286A (en) * 1981-11-16 1988-02-23 Gte Products Corporation Electric lamp including oxygen getter
EP0295592A3 (de) * 1987-06-13 1991-01-02 Knut Otto Sassmannshausen Elektrische Lampe
JP4596805B2 (ja) * 2004-03-31 2010-12-15 財団法人国際科学振興財団 真空管製造装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL12824C (enrdf_load_stackoverflow) * 1922-04-27
US1612661A (en) * 1923-07-16 1926-12-28 Westinghouse Lamp Co Introduction of hygroscopic material into evacuated devices
US1817333A (en) * 1929-02-13 1931-08-04 American Neon Light Corp Method of preparing luminescent tubes
US3475072A (en) * 1967-05-19 1969-10-28 Gen Electric Getter for incandescent lamps and similar devices

Also Published As

Publication number Publication date
JPS5229546B1 (enrdf_load_stackoverflow) 1977-08-02
DE2217531B2 (de) 1976-07-15
NL7105839A (enrdf_load_stackoverflow) 1972-10-31
FR2136770A5 (enrdf_load_stackoverflow) 1972-12-22
CA946457A (en) 1974-04-30
US3784275A (en) 1974-01-08
DE2217531A1 (de) 1972-11-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee