FR663276A - Spiral filament for electric incandescent lamps and method of manufacturing this filament - Google Patents

Spiral filament for electric incandescent lamps and method of manufacturing this filament

Info

Publication number
FR663276A
FR663276A FR663276DA FR663276A FR 663276 A FR663276 A FR 663276A FR 663276D A FR663276D A FR 663276DA FR 663276 A FR663276 A FR 663276A
Authority
FR
France
Prior art keywords
filament
manufacturing
incandescent lamps
electric incandescent
spiral
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.)
Osa AB
Original Assignee
Osa AB
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 AB filed Critical Osa AB
Application granted granted Critical
Publication of FR663276A publication Critical patent/FR663276A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/861—Vessels or containers characterised by the form or the structure thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
    • H01J29/823—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements around the neck of the tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape
    • 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
    • H01K7/00—Lamps for purposes other than general lighting

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR663276D 1928-08-01 1928-10-31 Spiral filament for electric incandescent lamps and method of manufacturing this filament Expired FR663276A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE316612T 1928-08-01
DEF0078832 1935-02-08

Publications (1)

Publication Number Publication Date
FR663276A true FR663276A (en) 1929-08-19

Family

ID=31947452

Family Applications (1)

Application Number Title Priority Date Filing Date
FR663276D Expired FR663276A (en) 1928-08-01 1928-10-31 Spiral filament for electric incandescent lamps and method of manufacturing this filament

Country Status (2)

Country Link
FR (1) FR663276A (en)
NL (1) NL43358C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0123844A2 (en) * 1983-04-25 1984-11-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Low-voltage halogen projection incandescent lamp
WO2007125075A2 (en) * 2006-05-03 2007-11-08 Osram Gesellschaft mit beschränkter Haftung Halogen incandescent lamp having a carbide-containing luminous element

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0123844A2 (en) * 1983-04-25 1984-11-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Low-voltage halogen projection incandescent lamp
EP0123844A3 (en) * 1983-04-25 1985-11-21 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh Low-voltage halogen projection incandescent lamp
WO2007125075A2 (en) * 2006-05-03 2007-11-08 Osram Gesellschaft mit beschränkter Haftung Halogen incandescent lamp having a carbide-containing luminous element
WO2007125075A3 (en) * 2006-05-03 2008-07-31 Osram Gmbh Halogen incandescent lamp having a carbide-containing luminous element

Also Published As

Publication number Publication date
NL43358C (en)

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