CA946457A - Method of manufacturing an incandescent lamp - Google Patents

Method of manufacturing an incandescent lamp

Info

Publication number
CA946457A
CA946457A CA140,804A CA140804A CA946457A CA 946457 A CA946457 A CA 946457A CA 140804 A CA140804 A CA 140804A CA 946457 A CA946457 A CA 946457A
Authority
CA
Canada
Prior art keywords
manufacturing
incandescent lamp
incandescent
lamp
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
CA140,804A
Other versions
CA140804S (en
Inventor
Piet Wiedijk
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA946457A publication Critical patent/CA946457A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
CA140,804A 1971-04-29 1972-04-28 Method of manufacturing an incandescent lamp Expired CA946457A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA946457A true CA946457A (en) 1974-04-30

Family

ID=19813035

Family Applications (1)

Application Number Title Priority Date Filing Date
CA140,804A Expired CA946457A (en) 1971-04-29 1972-04-28 Method of manufacturing an incandescent lamp

Country Status (7)

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

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 (en) * 1987-06-13 1991-01-02 Knut Otto Sassmannshausen Electric lamp
JP4596805B2 (en) * 2004-03-31 2010-12-15 財団法人国際科学振興財団 Vacuum tube manufacturing equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL12824C (en) * 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 (en) 1977-08-02
US3784275A (en) 1974-01-08
NL7105839A (en) 1972-10-31
DE2217531A1 (en) 1972-11-09
GB1318168A (en) 1973-05-23
FR2136770A5 (en) 1972-12-22
DE2217531B2 (en) 1976-07-15

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