GB299780A - Improvements in or relating to electric incandescent lamps or similar articles - Google Patents
Improvements in or relating to electric incandescent lamps or similar articlesInfo
- Publication number
- GB299780A GB299780A GB31052/28A GB3105228A GB299780A GB 299780 A GB299780 A GB 299780A GB 31052/28 A GB31052/28 A GB 31052/28A GB 3105228 A GB3105228 A GB 3105228A GB 299780 A GB299780 A GB 299780A
- Authority
- GB
- United Kingdom
- Prior art keywords
- depressions
- wire
- bulb
- neck
- cap
- 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
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000010425 asbestos Substances 0.000 abstract 1
- 239000007859 condensation product Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 229910052895 riebeckite Inorganic materials 0.000 abstract 1
- 210000002105 tongue Anatomy 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/06—Switches operated by change of speed
- H01H35/10—Centrifugal switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
- H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
- H01J5/58—Means for fastening the separate part to the vessel, e.g. by cement
- H01J5/60—Means for fastening the separate part to the vessel, e.g. by cement for fastening by mechanical means
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US229825A US1813572A (en) | 1927-10-31 | 1927-10-31 | Lamp base |
Publications (1)
Publication Number | Publication Date |
---|---|
GB299780A true GB299780A (en) | 1929-12-05 |
Family
ID=22862821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB31052/28A Expired GB299780A (en) | 1927-10-31 | 1928-10-26 | Improvements in or relating to electric incandescent lamps or similar articles |
Country Status (5)
Country | Link |
---|---|
US (1) | US1813572A (enrdf_load_stackoverflow) |
DE (1) | DE510122C (enrdf_load_stackoverflow) |
FR (1) | FR663216A (enrdf_load_stackoverflow) |
GB (1) | GB299780A (enrdf_load_stackoverflow) |
NL (1) | NL24127C (enrdf_load_stackoverflow) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2615073A (en) * | 1949-03-12 | 1952-10-21 | Lumalampan Ab | Electric lamp bulb |
NL8102594A (nl) * | 1981-05-27 | 1982-12-16 | Philips Nv | Elektrische lamp met een mechanisch bevestigde lampvoet. |
NL8103436A (nl) * | 1981-07-21 | 1983-02-16 | Philips Nv | Elektrische lamp met kitloos bevestigde lampvoet. |
EP0109848A3 (en) * | 1982-11-23 | 1985-05-15 | THORN EMI plc | Improvements in incandescent lamps |
DE10207063A1 (de) * | 2002-02-20 | 2003-08-28 | Philips Intellectual Property | Sockelbefestigung für elektrische Lampen |
-
0
- NL NL24127D patent/NL24127C/xx active
-
1927
- 1927-10-31 US US229825A patent/US1813572A/en not_active Expired - Lifetime
-
1928
- 1928-10-26 GB GB31052/28A patent/GB299780A/en not_active Expired
- 1928-10-28 DE DEW80761D patent/DE510122C/de not_active Expired
- 1928-10-30 FR FR663216D patent/FR663216A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR663216A (fr) | 1929-08-19 |
DE510122C (de) | 1930-10-16 |
NL24127C (enrdf_load_stackoverflow) | |
US1813572A (en) | 1931-07-07 |
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