GB339803A - Improvements relating to the manufacture of filaments for electric lamps - Google Patents

Improvements relating to the manufacture of filaments for electric lamps

Info

Publication number
GB339803A
GB339803A GB39066/29A GB3906629A GB339803A GB 339803 A GB339803 A GB 339803A GB 39066/29 A GB39066/29 A GB 39066/29A GB 3906629 A GB3906629 A GB 3906629A GB 339803 A GB339803 A GB 339803A
Authority
GB
United Kingdom
Prior art keywords
coil
wire
jaws
heated
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
GB39066/29A
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.)
Westinghouse Lamp Co
Original Assignee
Westinghouse Lamp Co
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 claimed from US329149A external-priority patent/US1865490A/en
Application filed by Westinghouse Lamp Co filed Critical Westinghouse Lamp Co
Publication of GB339803A publication Critical patent/GB339803A/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
    • H01K3/02—Manufacture of incandescent bodies
    • H01K3/04—Machines therefor
    • 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
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wire Processing (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)
  • Resistance Heating (AREA)
  • Ropes Or Cables (AREA)
GB39066/29A 1928-12-29 1929-12-20 Improvements relating to the manufacture of filaments for electric lamps Expired GB339803A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US329149A US1865490A (en) 1928-12-29 1928-12-29 Method of producing uniform length filaments
US403396A US1871018A (en) 1928-12-29 1929-10-30 Coiled lamp filament

Publications (1)

Publication Number Publication Date
GB339803A true GB339803A (en) 1930-12-18

Family

ID=26986667

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39066/29A Expired GB339803A (en) 1928-12-29 1929-12-20 Improvements relating to the manufacture of filaments for electric lamps

Country Status (5)

Country Link
US (1) US1871018A (enrdf_load_stackoverflow)
DE (1) DE567855C (enrdf_load_stackoverflow)
FR (1) FR687378A (enrdf_load_stackoverflow)
GB (1) GB339803A (enrdf_load_stackoverflow)
NL (1) NL26423C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5410007A (en) * 1994-05-31 1995-04-25 General Electric Company Particulated platinum group metal containing silicone resin catalyst, method for making, and use

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5410007A (en) * 1994-05-31 1995-04-25 General Electric Company Particulated platinum group metal containing silicone resin catalyst, method for making, and use

Also Published As

Publication number Publication date
US1871018A (en) 1932-08-09
FR687378A (fr) 1930-08-07
DE567855C (de) 1933-01-12
NL26423C (enrdf_load_stackoverflow) 1932-04-15

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