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
Links
Classifications
-
- 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
- H01K1/00—Details
- H01K1/18—Mountings 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.
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)
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 |
-
1913
- 1913-04-11 GB GB191308568D patent/GB191308568A/en not_active Expired
-
1914
- 1914-04-10 FR FR470744A patent/FR470744A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR470744A (en) | 1914-09-26 |
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