GB317859A - Improvements in and relating to methods of making electric lamps - Google Patents

Improvements in and relating to methods of making electric lamps

Info

Publication number
GB317859A
GB317859A GB25716/29A GB2571629A GB317859A GB 317859 A GB317859 A GB 317859A GB 25716/29 A GB25716/29 A GB 25716/29A GB 2571629 A GB2571629 A GB 2571629A GB 317859 A GB317859 A GB 317859A
Authority
GB
United Kingdom
Prior art keywords
base
bulb
open end
filament
pins
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
GB25716/29A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB317859A publication Critical patent/GB317859A/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
    • H01K3/16—Joining of caps to vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB25716/29A 1928-08-25 1929-08-23 Improvements in and relating to methods of making electric lamps Expired GB317859A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US302096A US1769840A (en) 1928-08-25 1928-08-25 Method of making electric lamps

Publications (1)

Publication Number Publication Date
GB317859A true GB317859A (en) 1930-04-17

Family

ID=23166238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25716/29A Expired GB317859A (en) 1928-08-25 1929-08-23 Improvements in and relating to methods of making electric lamps

Country Status (4)

Country Link
US (1) US1769840A (enEXAMPLES)
BE (1) BE363255A (enEXAMPLES)
FR (1) FR680316A (enEXAMPLES)
GB (1) GB317859A (enEXAMPLES)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB869714A (en) * 1958-12-17 1961-06-07 Mullard Ltd Travelling-wave tubes
CN103985626A (zh) * 2014-05-30 2014-08-13 德清县升星照明电器有限公司 一种旋转式流水线的灯泡支架
CN103972043A (zh) * 2014-05-30 2014-08-06 德清县升星照明电器有限公司 一种灯泡卡座机构

Also Published As

Publication number Publication date
BE363255A (enEXAMPLES)
FR680316A (fr) 1930-04-28
US1769840A (en) 1930-07-01

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