GB504874A - Process for the manufacture of electric lamp bases from hard glass or quartz glass and incandescent lamps incorporating bases made by such process - Google Patents

Process for the manufacture of electric lamp bases from hard glass or quartz glass and incandescent lamps incorporating bases made by such process

Info

Publication number
GB504874A
GB504874A GB18919/38A GB1891938A GB504874A GB 504874 A GB504874 A GB 504874A GB 18919/38 A GB18919/38 A GB 18919/38A GB 1891938 A GB1891938 A GB 1891938A GB 504874 A GB504874 A GB 504874A
Authority
GB
United Kingdom
Prior art keywords
glass
sealing
capillary
bases
wires
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
GB18919/38A
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.)
Ver Gluehlampen & Elek AG
Original Assignee
Ver Gluehlampen & Elek AG
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 Ver Gluehlampen & Elek AG filed Critical Ver Gluehlampen & Elek AG
Publication of GB504874A publication Critical patent/GB504874A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB18919/38A 1937-06-25 1938-06-25 Process for the manufacture of electric lamp bases from hard glass or quartz glass and incandescent lamps incorporating bases made by such process Expired GB504874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE204635X 1937-06-25

Publications (1)

Publication Number Publication Date
GB504874A true GB504874A (en) 1939-05-02

Family

ID=5782893

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18919/38A Expired GB504874A (en) 1937-06-25 1938-06-25 Process for the manufacture of electric lamp bases from hard glass or quartz glass and incandescent lamps incorporating bases made by such process

Country Status (5)

Country Link
US (1) US2225726A (enrdf_load_stackoverflow)
CH (1) CH204635A (enrdf_load_stackoverflow)
FR (1) FR839180A (enrdf_load_stackoverflow)
GB (1) GB504874A (enrdf_load_stackoverflow)
NL (1) NL48889C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481906A (en) * 1942-04-18 1949-09-13 Chilcot Arthur Leslie Mounting of electrodes in electric discharge tubes

Also Published As

Publication number Publication date
CH204635A (de) 1939-05-15
FR839180A (fr) 1939-03-28
US2225726A (en) 1940-12-24
NL48889C (enrdf_load_stackoverflow)

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