FR887635A - Perfectionnements apportés aux ampoules pour lampes électriques à incandescence ou tubes à décharges - Google Patents
Perfectionnements apportés aux ampoules pour lampes électriques à incandescence ou tubes à déchargesInfo
- Publication number
- FR887635A FR887635A FR887635DA FR887635A FR 887635 A FR887635 A FR 887635A FR 887635D A FR887635D A FR 887635DA FR 887635 A FR887635 A FR 887635A
- Authority
- FR
- France
- Prior art keywords
- bulbs
- improvements made
- discharge tubes
- electric lamps
- incandescent electric
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/049—Re-forming tubes or rods by pressing
- C03B23/0493—Re-forming tubes or rods by pressing in a longitudinal direction, e.g. for upsetting or extrusion
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
- C03B23/207—Uniting glass rods, glass tubes, or hollow glassware
-
- 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
- H01J5/32—Seals for leading-in conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
- H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL245531X | 1941-11-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR887635A true FR887635A (fr) | 1943-11-18 |
Family
ID=19780815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR887635D Expired FR887635A (fr) | 1941-11-12 | 1942-11-11 | Perfectionnements apportés aux ampoules pour lampes électriques à incandescence ou tubes à décharges |
Country Status (7)
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2771589A (en) * | 1954-12-14 | 1956-11-20 | Sylvania Electric Prod | End cap for fluorescent lamp |
US3036236A (en) * | 1959-03-30 | 1962-05-22 | Westinghouse Electric Corp | Electric lamp and method of manufacture |
NL300048A (US08197722-20120612-C00042.png) * | 1963-11-01 | 1900-01-01 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US266447A (en) * | 1882-10-24 | Thomas a | ||
US2279907A (en) * | 1940-09-12 | 1942-04-14 | Hygrade Sylvania Corp | Electric discharge lamp |
US2385340A (en) * | 1943-01-02 | 1945-09-25 | Sylvania Electric Prod | Electrical device |
-
0
- BE BE447918D patent/BE447918A/xx unknown
- NL NL60853D patent/NL60853C/xx active
- DE DENDAT892021D patent/DE892021C/de not_active Expired
-
1942
- 1942-11-11 FR FR887635D patent/FR887635A/fr not_active Expired
- 1942-11-12 CH CH245531D patent/CH245531A/de unknown
-
1946
- 1946-04-17 GB GB11785/46A patent/GB606488A/en not_active Expired
- 1946-05-08 US US668062A patent/US2465797A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE447918A (US08197722-20120612-C00042.png) | |
CH245531A (de) | 1946-11-15 |
GB606488A (en) | 1948-08-13 |
NL60853C (US08197722-20120612-C00042.png) | |
US2465797A (en) | 1949-03-29 |
DE892021C (de) | 1953-08-20 |
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