EP 0579670 B1 19951206 - MATERIAL FOR ELECTRIC CONTACTS OF SILVER WITH CARBON.
Title (en)
MATERIAL FOR ELECTRIC CONTACTS OF SILVER WITH CARBON.
Title (de)
WERKSTOFF FÜR ELEKTRISCHE KONTAKTE AUS SILBER MIT KOHLENSTOFF.
Title (fr)
MATERIAU POUR CONTACTS ELECTRIQUES EN ARGENT AVEC DU CARBONE.
Publication
Application
Priority
- DE 4111683 A 19910410
- EP 9200804 W 19920409
Abstract (en)
[origin: WO9218995A1] Powder-metallurgically produced material or extruded semi-finished product for electric contacts of silver or a silver-based metal material with 0.5 to 10 wt. % carbon and 0 to 2 wt. % of an additional metal. The material contains powdered carbon in combination with carbon fibres in the mass ratio of 10:1 to 1:10, whereby the diameter of the powder particles is on average smaller than half the length of the fibres .
IPC 1-7
IPC 8 full level
H01H 1/023 (2006.01); H01H 1/02 (2006.01); H01H 1/025 (2006.01); H01H 1/027 (2006.01); H01H 11/04 (2006.01)
CPC (source: EP US)
H01H 1/027 (2013.01 - EP US); Y10T 428/12014 (2015.01 - EP US); Y10T 428/12035 (2015.01 - EP US); Y10T 428/12049 (2015.01 - EP US); Y10T 428/12056 (2015.01 - EP US); Y10T 428/1216 (2015.01 - EP US); Y10T 428/12167 (2015.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB IT LI
DOCDB simple family (publication)
WO 9218995 A1 19921029; DE 4111683 A1 19921022; DE 4111683 C2 19930128; DE 59204610 D1 19960118; EP 0579670 A1 19940126; EP 0579670 B1 19951206; JP 3138965 B2 20010226; JP H06506559 A 19940721; US 5445895 A 19950829
DOCDB simple family (application)
EP 9200804 W 19920409; DE 4111683 A 19910410; DE 59204610 T 19920409; EP 92908150 A 19920409; JP 50764492 A 19920409; US 12920094 A 19940214