FR687378A - Method for obtaining filaments of equal length for lamps or similar apparatus - Google Patents

Method for obtaining filaments of equal length for lamps or similar apparatus

Info

Publication number
FR687378A
FR687378A FR687378DA FR687378A FR 687378 A FR687378 A FR 687378A FR 687378D A FR687378D A FR 687378DA FR 687378 A FR687378 A FR 687378A
Authority
FR
France
Prior art keywords
lamps
equal length
similar apparatus
obtaining filaments
filaments
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR687378A publication Critical patent/FR687378A/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)
FR687378D 1928-12-29 1929-12-28 Method for obtaining filaments of equal length for lamps or similar apparatus Expired FR687378A (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
FR687378A true FR687378A (en) 1930-08-07

Family

ID=26986667

Family Applications (1)

Application Number Title Priority Date Filing Date
FR687378D Expired FR687378A (en) 1928-12-29 1929-12-28 Method for obtaining filaments of equal length for lamps or similar apparatus

Country Status (5)

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

Families Citing this family (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
DE567855C (en) 1933-01-12
US1871018A (en) 1932-08-09
NL26423C (en) 1932-04-15
GB339803A (en) 1930-12-18

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