BE452819A - - Google Patents
Info
- Publication number
- BE452819A BE452819A BE452819DA BE452819A BE 452819 A BE452819 A BE 452819A BE 452819D A BE452819D A BE 452819DA BE 452819 A BE452819 A BE 452819A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/023—Composite material having a noble metal as the basic material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Contacts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US205360A US2154068A (en) | 1938-04-30 | 1938-04-30 | Electrical contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE452819A true BE452819A (en:Method) |
Family
ID=22761882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE452819D BE452819A (en:Method) | 1938-04-30 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2154068A (en:Method) |
| BE (1) | BE452819A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548164A (en) * | 1947-11-28 | 1951-04-10 | Fansteel Metallurgical Corp | Electrical contact |
| DE2202924C3 (de) * | 1972-01-21 | 1979-04-19 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Vakuumschalter |
| DE3345162C1 (de) * | 1983-12-14 | 1984-11-15 | Degussa Ag, 6000 Frankfurt | Werkstoffe für Schwachstromkontakte |
| DE4203250A1 (de) * | 1992-02-05 | 1993-08-12 | Beru Werk Ruprecht Gmbh Co A | Silber-nickel-verbundwerkstoff fuer elektrische kontakte und elektroden |
-
0
- BE BE452819D patent/BE452819A/xx unknown
-
1938
- 1938-04-30 US US205360A patent/US2154068A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2154068A (en) | 1939-04-11 |