GB259810A - Improvements in metallic filaments for electric incandescent lamps and methods of producing said filaments - Google Patents

Improvements in metallic filaments for electric incandescent lamps and methods of producing said filaments

Info

Publication number
GB259810A
GB259810A GB2268/26A GB226826A GB259810A GB 259810 A GB259810 A GB 259810A GB 2268/26 A GB2268/26 A GB 2268/26A GB 226826 A GB226826 A GB 226826A GB 259810 A GB259810 A GB 259810A
Authority
GB
United Kingdom
Prior art keywords
filaments
shape
filament
producing
methods
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
GB2268/26A
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.)
NEUE GLUEHLAMPEN GmbH
Original Assignee
NEUE GLUEHLAMPEN GmbH
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 NEUE GLUEHLAMPEN GmbH filed Critical NEUE GLUEHLAMPEN GmbH
Publication of GB259810A publication Critical patent/GB259810A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
    • C23G5/04—Apparatus
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S72/00—Metal deforming
    • Y10S72/702—Overbending to compensate for springback
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49609—Spring making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4981—Utilizing transitory attached element or associated separate material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Resistance Heating (AREA)
GB2268/26A 1925-09-21 1926-01-26 Improvements in metallic filaments for electric incandescent lamps and methods of producing said filaments Expired GB259810A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE121204X 1925-09-21
DE1668016X 1925-11-15
DE221025X 1940-09-06

Publications (1)

Publication Number Publication Date
GB259810A true GB259810A (en) 1926-10-21

Family

ID=27180457

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2268/26A Expired GB259810A (en) 1925-09-21 1926-01-26 Improvements in metallic filaments for electric incandescent lamps and methods of producing said filaments

Country Status (5)

Country Link
US (1) US1668016A (enrdf_load_stackoverflow)
CH (2) CH121204A (enrdf_load_stackoverflow)
FR (1) FR619648A (enrdf_load_stackoverflow)
GB (1) GB259810A (enrdf_load_stackoverflow)
NL (1) NL19275C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1053547B (de) * 1956-02-10 1959-03-26 Patra Patent Treuhand Tageslichtsignal fuer Eisenbahnen mit einer elektrischen Gluehlampe

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444433A (en) * 1943-08-09 1948-07-06 Standard Telephones Cables Ltd Electrical connector
US2534393A (en) * 1948-08-26 1950-12-19 Bell Telephone Labor Inc Electrode assembly for electrical discharge devices
US2623550A (en) * 1948-12-20 1952-12-30 Pierre Dreyfuss Baumann Method of making split rings
US2759166A (en) * 1952-06-20 1956-08-14 Bell Telephone Labor Inc Wrapped electrical connection
US2713377A (en) * 1953-02-20 1955-07-19 Charles M Tursky Method and apparatus for producing filter coils
US3294125A (en) * 1963-11-14 1966-12-27 Westinghouse Electric Corp Electrode coil and method
US3354691A (en) * 1964-11-13 1967-11-28 Sylvania Electric Prod Process of fabricating refractory metal forms
DE3123442A1 (de) * 1981-06-12 1982-12-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Gluehwendel fuer eine elektrische lampe und verfahren zur herstellung
DE19653572A1 (de) * 1996-12-20 1998-06-25 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zur Herstellung von helikal gewickelten Wendelkörpern und Wendelkörper, die nach dieser Methode hergestellt sind
DE102012202081A1 (de) * 2012-02-13 2013-08-14 Osram Gmbh Glühfaden für elektrische lampen und elektrische lampe sowie herstellungsverfahren für einen glühfaden

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1053547B (de) * 1956-02-10 1959-03-26 Patra Patent Treuhand Tageslichtsignal fuer Eisenbahnen mit einer elektrischen Gluehlampe

Also Published As

Publication number Publication date
US1668016A (en) 1928-05-01
CH221025A (de) 1942-05-15
FR619648A (fr) 1927-04-06
CH121204A (de) 1927-07-01
NL19275C (enrdf_load_stackoverflow)

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