FR2400770A1 - Procede pour la realisation de lampes a incandescence electrique dont l'ampoule presente au moins un pincement - Google Patents
Procede pour la realisation de lampes a incandescence electrique dont l'ampoule presente au moins un pincementInfo
- Publication number
- FR2400770A1 FR2400770A1 FR7823877A FR7823877A FR2400770A1 FR 2400770 A1 FR2400770 A1 FR 2400770A1 FR 7823877 A FR7823877 A FR 7823877A FR 7823877 A FR7823877 A FR 7823877A FR 2400770 A1 FR2400770 A1 FR 2400770A1
- Authority
- FR
- France
- Prior art keywords
- pinch
- bulb
- realization
- electrical
- incandescence 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/12—Joining of mount or stem to vessel; Joining parts of the vessel, e.g. by butt sealing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Abstract
Dans un procédé pour la réalisation d'une lampe à incandescence électrique présentant au moins un pincement, le chauffage du queusot s'effectue à l'extérieur de l'ampoule de la lampe. Application : éclairage électrique.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772737681 DE2737681A1 (de) | 1977-08-20 | 1977-08-20 | Verfahren zur herstellung elektrischer gluehlampen mit wenigstens einer kolbenquetschung |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2400770A1 true FR2400770A1 (fr) | 1979-03-16 |
Family
ID=6016950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7823877A Pending FR2400770A1 (fr) | 1977-08-20 | 1978-08-16 | Procede pour la realisation de lampes a incandescence electrique dont l'ampoule presente au moins un pincement |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5442876A (fr) |
DE (1) | DE2737681A1 (fr) |
FR (1) | FR2400770A1 (fr) |
GB (1) | GB2005657B (fr) |
IT (1) | IT1098152B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57163946A (en) * | 1981-03-31 | 1982-10-08 | Toshiba Corp | Manufacture of tubular bulb |
DE19621329C1 (de) * | 1996-05-28 | 1997-12-04 | Schott Glaswerke | Verfahren zur Herstellung einer Lampe und nach dem Verfahren hergestellte Lampe |
DE19621330C1 (de) * | 1996-05-28 | 1998-01-02 | Schott Glaswerke | Verfahren zur Herstellung einer Lampe und nach dem Verfahren hergestellte Lampe |
JP4857456B2 (ja) * | 2000-05-29 | 2012-01-18 | 凸版印刷株式会社 | 真空成膜装置 |
-
1977
- 1977-08-20 DE DE19772737681 patent/DE2737681A1/de not_active Ceased
-
1978
- 1978-08-16 FR FR7823877A patent/FR2400770A1/fr active Pending
- 1978-08-17 GB GB7833706A patent/GB2005657B/en not_active Expired
- 1978-08-17 JP JP9959978A patent/JPS5442876A/ja active Pending
- 1978-08-17 IT IT26805/78A patent/IT1098152B/it active
Also Published As
Publication number | Publication date |
---|---|
GB2005657A (en) | 1979-04-25 |
JPS5442876A (en) | 1979-04-05 |
DE2737681A1 (de) | 1979-02-22 |
IT7826805A0 (it) | 1978-08-17 |
GB2005657B (en) | 1982-02-10 |
IT1098152B (it) | 1985-09-07 |
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