BE440903A - - Google Patents
Info
- Publication number
- BE440903A BE440903A BE440903DA BE440903A BE 440903 A BE440903 A BE 440903A BE 440903D A BE440903D A BE 440903DA BE 440903 A BE440903 A BE 440903A
- Authority
- BE
- Belgium
- Prior art keywords
- heating
- emi
- wire
- subjected
- circuit
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 2
- 238000010411 cooking Methods 0.000 claims 2
- 239000006185 dispersion Substances 0.000 claims 2
- 239000002994 raw material Substances 0.000 claims 2
- 238000004804 winding Methods 0.000 claims 2
- 230000006698 induction Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000007665 sagging Methods 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101150095095 TIMELESS gene Proteins 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/02—Incandescent bodies
- H01K1/14—Incandescent bodies characterised by the shape
-
- 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
- H01K3/02—Manufacture of incandescent bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR818158T | 1937-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440903A true BE440903A (OSRAM) |
Family
ID=9268724
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440903D BE440903A (OSRAM) | 1937-02-20 | ||
| BE440909D BE440909A (OSRAM) | 1937-02-20 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440909D BE440909A (OSRAM) | 1937-02-20 |
Country Status (2)
| Country | Link |
|---|---|
| BE (2) | BE440909A (OSRAM) |
| FR (1) | FR818158A (OSRAM) |
-
0
- BE BE440903D patent/BE440903A/fr unknown
- BE BE440909D patent/BE440909A/fr unknown
-
1937
- 1937-02-20 FR FR818158D patent/FR818158A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR818158A (fr) | 1937-09-20 |
| BE440909A (OSRAM) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE440903A (OSRAM) | ||
| US6597107B1 (en) | Tungsten-rhenium filament and method for producing same | |
| US3285293A (en) | Filament forming | |
| JP2013119660A (ja) | アルミニウム合金線及びその製造方法、並びにコイル | |
| US4616682A (en) | Method of manufacturing helically wound filaments and filaments manufactured by means of this method | |
| BE441086A (OSRAM) | ||
| US3992201A (en) | Filaments for fluorescent lamps | |
| EP1629127A1 (fr) | Fil metallique en alliage fe-ni ayant une grande resistance mecanique et un faible coefficient de dilatation thermique, pour cables haute tension, et procede de fabrication | |
| BE411796A (OSRAM) | ||
| US3877495A (en) | Method of manufacturing improved filaments for fluorescent lamps | |
| US2454318A (en) | Method of fabricating electron discharge devices | |
| EP0293286B1 (fr) | Procédé et installation de réalisation de pièces à usage magnétique | |
| US2113905A (en) | Filament for incandescent lamps and method of manufacturing the same | |
| US2214742A (en) | Incandescent lamp and manufacture thereof | |
| US1308907A (en) | Manufacture of molybdenum-tungsten alloy | |
| JPH0129863B2 (OSRAM) | ||
| FR2772182A1 (fr) | Procede de fabrication d'un noyau magnetique en alliage magnetique doux nanocristallin et utilisation dans un disjoncteur differentiel de la classe ac | |
| FR1465858A (fr) | Procédé de production de traversées étanches au vide, pouvant être chauffées | |
| LU83249A1 (fr) | Procede de fabrication de fil machine en aluminium | |
| JP2002124217A (ja) | タングステンフィラメントの寸法を安定させる方法 | |
| AT219707B (de) | Elektrische Glühlampe und Verfahren zu deren Herstellung | |
| BE454662A (OSRAM) | ||
| CH99326A (fr) | Procédé de préparation de corps en alliage métallique. | |
| CH147942A (fr) | Procédé pour la production de filaments de lampes électriques. | |
| BE1005224A7 (fr) | Procede de fabrication de fil machine a haute resistance en acier dur et dispositif pour sa mise en oeuvre. |