GB275735A - Improvements in electric incandescent lamps - Google Patents
Improvements in electric incandescent lampsInfo
- Publication number
- GB275735A GB275735A GB12442/26A GB1244226A GB275735A GB 275735 A GB275735 A GB 275735A GB 12442/26 A GB12442/26 A GB 12442/26A GB 1244226 A GB1244226 A GB 1244226A GB 275735 A GB275735 A GB 275735A
- Authority
- GB
- United Kingdom
- Prior art keywords
- incandescent lamps
- chromium
- supports
- electric incandescent
- tungsten
- 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
- H01K1/18—Mountings or supports for the incandescent body
- H01K1/20—Mountings or supports for the incandescent body characterised by the material thereof
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12389—All metal or with adjacent metals having variation in thickness
- Y10T428/12396—Discontinuous surface component
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
- Y10T428/12826—Group VIB metal-base component
- Y10T428/12833—Alternative to or next to each other
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
- Y10T428/12826—Group VIB metal-base component
- Y10T428/12847—Cr-base component
Landscapes
- Resistance Heating (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12442/26A GB275735A (en) | 1926-05-14 | 1926-05-14 | Improvements in electric incandescent lamps |
DEP54804D DE457177C (de) | 1926-05-14 | 1927-03-09 | Elektrische Gluehlampe mit Wolframleuchtkoerper |
FR631452D FR631452A (fr) | 1926-05-14 | 1927-03-26 | Perfectionnements aux lampes électriques à incandescence |
US186488A US1733076A (en) | 1926-05-14 | 1927-04-25 | Filament support and method of making it |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12442/26A GB275735A (en) | 1926-05-14 | 1926-05-14 | Improvements in electric incandescent lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB275735A true GB275735A (en) | 1927-08-15 |
Family
ID=10004668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12442/26A Expired GB275735A (en) | 1926-05-14 | 1926-05-14 | Improvements in electric incandescent lamps |
Country Status (4)
Country | Link |
---|---|
US (1) | US1733076A (de) |
DE (1) | DE457177C (de) |
FR (1) | FR631452A (de) |
GB (1) | GB275735A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529335A (en) * | 1966-05-06 | 1970-09-22 | Pinlites Inc | Method of making a light bulb with a plurality of independently connected filaments for indicating graphic symbols |
-
1926
- 1926-05-14 GB GB12442/26A patent/GB275735A/en not_active Expired
-
1927
- 1927-03-09 DE DEP54804D patent/DE457177C/de not_active Expired
- 1927-03-26 FR FR631452D patent/FR631452A/fr not_active Expired
- 1927-04-25 US US186488A patent/US1733076A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE457177C (de) | 1928-03-09 |
US1733076A (en) | 1929-10-22 |
FR631452A (fr) | 1927-12-21 |
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