GB280515A - Improved manufacture of electric incandescent lamps - Google Patents

Improved manufacture of electric incandescent lamps

Info

Publication number
GB280515A
GB280515A GB2768927A GB2768927A GB280515A GB 280515 A GB280515 A GB 280515A GB 2768927 A GB2768927 A GB 2768927A GB 2768927 A GB2768927 A GB 2768927A GB 280515 A GB280515 A GB 280515A
Authority
GB
United Kingdom
Prior art keywords
exhaust tube
incandescent lamps
electric incandescent
improved manufacture
sleeve
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
GB2768927A
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.)
Gral Ges fur Elektro Ind M B
Original Assignee
Gral Ges fur Elektro Ind M B
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 Gral Ges fur Elektro Ind M B filed Critical Gral Ges fur Elektro Ind M B
Publication of GB280515A publication Critical patent/GB280515A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/32—Sealing leading-in conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB2768927A 1926-11-09 1927-10-18 Improved manufacture of electric incandescent lamps Expired GB280515A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT109019T 1926-11-09

Publications (1)

Publication Number Publication Date
GB280515A true GB280515A (en) 1928-06-28

Family

ID=28795531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2768927A Expired GB280515A (en) 1926-11-09 1927-10-18 Improved manufacture of electric incandescent lamps

Country Status (3)

Country Link
DE (1) DE466532C (enrdf_load_stackoverflow)
GB (1) GB280515A (enrdf_load_stackoverflow)
NL (1) NL21723C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE466532C (de) 1928-10-08
NL21723C (enrdf_load_stackoverflow)

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