GB392126A - Improvements in and relating to caps for electric incandescent lamps - Google Patents
Improvements in and relating to caps for electric incandescent lampsInfo
- Publication number
- GB392126A GB392126A GB386/33A GB38633A GB392126A GB 392126 A GB392126 A GB 392126A GB 386/33 A GB386/33 A GB 386/33A GB 38633 A GB38633 A GB 38633A GB 392126 A GB392126 A GB 392126A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electric incandescent
- caps
- holder
- relating
- incandescent lamps
- 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
- H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
- H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
Landscapes
- Connecting Device With Holders (AREA)
Abstract
392,126. Electric incandescent lamp caps. RECHER, 0., 29, Frohburgstrasse, Basle, Switzerland. Jan. 5, 1933, No. 386. Convention date, Jan. 12, 1932. [Class 39 (ii).] The cap a of an electric incandescent lamp adapted for insertion into a screw-threaded holder is provided on its periphery with projections such as b, c, d, Fig. 2, which are arranged on a helix corresponding with the screw thread in the holder, one projection d being provided with a thin metal covering connected to a leading-in wire f and forming a contact to the lamp-holder. A central contact h is connected to the other leading-in wire g. The cap a may be made of glass and, with its projections, formed integrally with the lamp bulb.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE392126X | 1932-01-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB392126A true GB392126A (en) | 1933-05-11 |
Family
ID=6383830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB386/33A Expired GB392126A (en) | 1932-01-12 | 1933-01-05 | Improvements in and relating to caps for electric incandescent lamps |
Country Status (4)
Country | Link |
---|---|
US (1) | US2008594A (en) |
FR (1) | FR748519A (en) |
GB (1) | GB392126A (en) |
NL (1) | NL33886C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3200363A (en) * | 1963-03-04 | 1965-08-10 | Sylvania Electric Prod | Lamp positioner |
-
0
- NL NL33886D patent/NL33886C/xx active
-
1932
- 1932-12-16 US US647664A patent/US2008594A/en not_active Expired - Lifetime
-
1933
- 1933-01-05 FR FR748519D patent/FR748519A/en not_active Expired
- 1933-01-05 GB GB386/33A patent/GB392126A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2008594A (en) | 1935-07-16 |
NL33886C (en) | |
FR748519A (en) | 1933-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB461483A (en) | Improvements in and relating to electric lamps | |
GB187988A (en) | Improvements in incandescent electric lamps and similar apparatus | |
GB392126A (en) | Improvements in and relating to caps for electric incandescent lamps | |
GB499682A (en) | Improvements in methods of capping vitreous vessels, such as electric incandescent lamps, without the use of cement | |
GB501956A (en) | Incandescent electric lamp | |
GB429886A (en) | Improvements in and relating to electric lamps | |
GB503462A (en) | Cap for electric incandescent lamps | |
GB459396A (en) | Improvements in multiple filament incandescent electric lamps | |
GB379090A (en) | Improvements in or relating to thermionic valve holders | |
GB206773A (en) | Improvements in or relating to electric incandescent lamps | |
GB484676A (en) | Improvements in or relating to electric battery lamps or torches | |
GB452121A (en) | Improvements in incandescent electric lamps | |
GB305581A (en) | Contact-preventing devices for electric incandescent lamps | |
GB455842A (en) | Improvements in or relating to miner's electric lamp bulbs | |
GB467956A (en) | Improvements in methods of capping vitreous vessels, such as electric incandescent lamps, without the use of cement | |
GB488202A (en) | Improvements in electric incandescent lamps | |
GB301240A (en) | Improvement in electric lamps | |
GB481047A (en) | Improvements in screw caps for electric lamps and electric discharge vessels | |
GB472356A (en) | Improvements in or relating to electric incandescent lamps | |
GB173986A (en) | Improvements in electric incandescent lamps | |
GB409906A (en) | Improvements in removable false end caps or adapters for electric lamps | |
GB452079A (en) | Improvements in incandescent electric lamps | |
GB193413A (en) | Improvements in or relating to electric lamps | |
GB495533A (en) | Improvements in or relating to electric incandescent lamps | |
GB242408A (en) | Improvements in, or relating to, electric lamp holders |