GB901989A - Improvements relating to electric incandescent lamps - Google Patents

Improvements relating to electric incandescent lamps

Info

Publication number
GB901989A
GB901989A GB1942360A GB1942360A GB901989A GB 901989 A GB901989 A GB 901989A GB 1942360 A GB1942360 A GB 1942360A GB 1942360 A GB1942360 A GB 1942360A GB 901989 A GB901989 A GB 901989A
Authority
GB
United Kingdom
Prior art keywords
tube
envelope
neck
sealing
gas
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
GB1942360A
Other languages
English (en)
Inventor
John Willoughby Thomas Wright
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated 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
Priority to NL265320D priority Critical patent/NL265320A/xx
Priority to NL125808D priority patent/NL125808C/xx
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB1942360A priority patent/GB901989A/en
Priority to FR863386A priority patent/FR1290095A/fr
Priority to DK221961A priority patent/DK105421C/da
Publication of GB901989A publication Critical patent/GB901989A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/20—Sealing-in wires directly into the envelope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/22—Exhausting, degassing, filling, or cleaning vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Resistance Heating (AREA)
GB1942360A 1960-06-01 1960-06-01 Improvements relating to electric incandescent lamps Expired GB901989A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL265320D NL265320A (enExample) 1960-06-01
NL125808D NL125808C (enExample) 1960-06-01
GB1942360A GB901989A (en) 1960-06-01 1960-06-01 Improvements relating to electric incandescent lamps
FR863386A FR1290095A (fr) 1960-06-01 1961-05-30 Perfectionnements apporté au procédé de remplisage de gaz, des enveloppes de lampes à incandescence
DK221961A DK105421C (da) 1960-06-01 1961-05-31 Fremgangsmåde til indfyldning af luftart i og tilsmeltning af glasbeholdere til elektriske glødelamper.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1942360A GB901989A (en) 1960-06-01 1960-06-01 Improvements relating to electric incandescent lamps

Publications (1)

Publication Number Publication Date
GB901989A true GB901989A (en) 1962-07-25

Family

ID=10129121

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1942360A Expired GB901989A (en) 1960-06-01 1960-06-01 Improvements relating to electric incandescent lamps

Country Status (3)

Country Link
DK (1) DK105421C (enExample)
GB (1) GB901989A (enExample)
NL (2) NL265320A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525899A (en) * 1967-02-17 1970-08-25 Carlos Roberto P Bustamante Contact stems for bulbs,plugs and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525899A (en) * 1967-02-17 1970-08-25 Carlos Roberto P Bustamante Contact stems for bulbs,plugs and the like

Also Published As

Publication number Publication date
NL265320A (enExample)
DK105421C (da) 1966-09-26
NL125808C (enExample)

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