EP 2436807 A1 20120404 - Multi-filament with drawn steel core and annealed copper layer
Title (en)
Multi-filament with drawn steel core and annealed copper layer
Title (de)
Multifilament mit gezogenem Stahlkern und geglühter Kupferschicht
Title (fr)
Multi-filaments avec âme d'acier étirée et couche de cuivre recuite
Publication
Application
Priority
EP 10011924 A 20100930
Abstract (en)
The present invention relates to a multi-filament product (10). The multi-filament product (10) comprises filaments (16) a having copper alloy layer (14) with annealed microstructure and a steel alloy core (12) with drawn microstructure. Furthermore, the filaments (16) in the multi-filament product (10) are coated with an electrical isolation coating (46). The present invention also relates to the use of the multi-filament product as heating element. The multi-filament product presents good conductivity, durability and strength.
IPC 8 full level
D02G 3/12 (2006.01); B21C 37/04 (2006.01); D02G 3/44 (2006.01); H05B 3/12 (2006.01); H05B 3/34 (2006.01)
CPC (source: EP)
B21C 37/045 (2013.01); D02G 3/12 (2013.01); D02G 3/441 (2013.01); D07B 1/147 (2013.01); H05B 3/12 (2013.01); H05B 3/34 (2013.01); H05B 3/56 (2013.01); D07B 1/0673 (2013.01); D07B 2201/2011 (2013.01); D07B 2201/2012 (2013.01); D07B 2201/2013 (2013.01); D07B 2205/3025 (2013.01); D07B 2205/3067 (2013.01); H05B 2203/029 (2013.01)
C-Set (source: EP)
Citation (applicant)
- WO 2009147114 A1 20091210 - BEKAERT SA NV [BE], et al
- US 7041943 B2 20060509 - MICHELMANN JOCHEN [DE]
- JP H05177243 A 19930720 - BRIDGESTONE BEKAERT STEEL CODE
Citation (search report)
- [X] EP 2179870 A1 20100428 - SUMITOMO ELECTRIC TOCHIGI CO LTD [JP]
- [X] GB 1156540 A 19690625 - NAT STANDARD CO [US]
- [Y] WO 2008154943 A1 20081224 - EDELHOFF ADOLF FEINDRAHTWERK [DE], et al
- [Y] US 2009297883 A1 20091203 - KOPPENSTEINER EWALD [AT], et al
- [A] FR 2647271 A3 19901123 - BILLETTE DE VILLEMEUR PHILIPPE [FR]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated extension state (EPC)
BA ME RS
DOCDB simple family (publication)
DOCDB simple family (application)
EP 10011924 A 20100930