FR634873A - Procédé de fabrication de filaments lumineux indéformables concentrés sous un petit espace, pour lampes électriques à incandescence - Google Patents

Procédé de fabrication de filaments lumineux indéformables concentrés sous un petit espace, pour lampes électriques à incandescence

Info

Publication number
FR634873A
FR634873A FR634873DA FR634873A FR 634873 A FR634873 A FR 634873A FR 634873D A FR634873D A FR 634873DA FR 634873 A FR634873 A FR 634873A
Authority
FR
France
Prior art keywords
concentrated
manufacturing process
small space
electric lamps
incandescent electric
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
English (en)
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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles SA
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 Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR634873A publication Critical patent/FR634873A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/143—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Heating (AREA)
  • Treatment Of Fiber Materials (AREA)
FR634873D 1926-07-10 1927-05-23 Procédé de fabrication de filaments lumineux indéformables concentrés sous un petit espace, pour lampes électriques à incandescence Expired FR634873A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE265113X 1926-07-10

Publications (1)

Publication Number Publication Date
FR634873A true FR634873A (fr) 1928-03-01

Family

ID=5992748

Family Applications (1)

Application Number Title Priority Date Filing Date
FR634873D Expired FR634873A (fr) 1926-07-10 1927-05-23 Procédé de fabrication de filaments lumineux indéformables concentrés sous un petit espace, pour lampes électriques à incandescence

Country Status (4)

Country Link
US (1) US1726480A (enrdf_load_stackoverflow)
FR (1) FR634873A (enrdf_load_stackoverflow)
GB (1) GB265113A (enrdf_load_stackoverflow)
NL (1) NL21496C (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449653A (en) * 1946-07-27 1948-09-21 Dorothy J Isaac Filament forming apparatus
US2655952A (en) * 1949-05-28 1953-10-20 Sylvania Electric Prod Method of forming lamp filaments
US2759498A (en) * 1949-05-28 1956-08-21 Sylvania Electric Prod Apparatus for forming lamp filaments
US2644102A (en) * 1950-08-10 1953-06-30 Gen Electric Incandescent lamp mount and manufacture thereof
US2691817A (en) * 1950-12-14 1954-10-19 Westinghouse Electric Corp Device for applying coiled filaments to setting mandrels
US2633552A (en) * 1951-06-04 1953-03-31 Westinghouse Electric Corp Lamp, filament therefor and method
US2693204A (en) * 1952-05-29 1954-11-02 Westinghouse Electric Corp Coil bending machine for projection lamp filaments
US3122176A (en) * 1958-10-27 1964-02-25 Philips Corp Method of manufacturing bodies consisting of helically wound wire
US3160181A (en) * 1961-03-27 1964-12-08 Sylvania Electric Prod Method of and apparatus for feeding, compressing, stretching and transferring filaments
US3233637A (en) * 1962-12-31 1966-02-08 Alvis R Knowles Heating element and method and apparatus for making the same

Also Published As

Publication number Publication date
GB265113A (en) 1927-02-03
NL21496C (enrdf_load_stackoverflow)
US1726480A (en) 1929-08-27

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