GB191308568A - Improvement of the Incandescent Electric Lamp. - Google Patents

Improvement of the Incandescent Electric Lamp.

Info

Publication number
GB191308568A
GB191308568A GB191308568DA GB191308568A GB 191308568 A GB191308568 A GB 191308568A GB 191308568D A GB191308568D A GB 191308568DA GB 191308568 A GB191308568 A GB 191308568A
Authority
GB
United Kingdom
Prior art keywords
stem
improvement
filaments
filament
coils
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
Inventor
Tito Giusti
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191308568A publication Critical patent/GB191308568A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/02Incandescent bodies
    • H01K1/14Incandescent bodies characterised by the shape
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/18Mountings or supports for the incandescent body

Landscapes

  • Resistance Heating (AREA)

Abstract

8568. Giusti, T. April 11. Filaments; filaments, supports for. - A filament in the form of a tapering helix, which may be truncated, is supported around a single central stem 5 of transparent material, the coils of the helix being approximately of circular, Fig. 2, triangular, quadrilateral, or other polygonal, geometrical, or irregular form. The stem 5 may be a glass tube or rod, and one leading-in wire 7 may pass longitudinally through it. The filament may be threaded through rings on the ends of supporting-arms 8 fixed radially to the stem and the coils may be single, double, treble, &c., the current passing through each coil in the same direction.
GB191308568D 1913-04-11 1913-04-11 Improvement of the Incandescent Electric Lamp. Expired GB191308568A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191308568T 1913-04-11

Publications (1)

Publication Number Publication Date
GB191308568A true GB191308568A (en) 1914-02-19

Family

ID=32370368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191308568D Expired GB191308568A (en) 1913-04-11 1913-04-11 Improvement of the Incandescent Electric Lamp.

Country Status (2)

Country Link
FR (1) FR470744A (en)
GB (1) GB191308568A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10001007A1 (en) * 2000-01-12 2001-07-19 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Lighting body for incandescent lamp is double helix with two connections at one end; diameter of double helix and pitch of its windings increase steadily towards the connections

Also Published As

Publication number Publication date
FR470744A (en) 1914-09-26

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