EP 2289082 B1 20140507 - METHOD FOR PRODUCING A MAGNETIZABLE METAL SHAPED BODY
Title (en)
METHOD FOR PRODUCING A MAGNETIZABLE METAL SHAPED BODY
Title (de)
VERFAHREN ZUM HERSTELLEN EINES MAGNETISIERBAREN METALLISCHEN FORMKÖRPERS
Title (fr)
PROCÉDÉ DE FABRICATION D'UN CORPS MÉTALLIQUE MOULÉ MAGNÉTISABLE
Publication
Application
Priority
- EP 2009003041 W 20090427
- DE 102008023059 A 20080509
Abstract (en)
[origin: WO2009135604A1] The invention relates to a method for producing a magnetizable metal shaped body comprising a ferromagnetic starting material that is present in powder and in particulate form, using the following steps: - first compaction of the starting material (S3) such that adjoining particles become bonded to each other by means of positive adhesion and/or integral bonding in sections along the peripheral surfaces thereof and while forming hollow spaces, - creating an electrically isolating surface coating on the peripheral surfaces of the particles in regions outside the joining sections (S4) and - second compaction of the particles (S5) provided with said surface coating, such that the hollow spaces are reduced in size or eliminated.
IPC 8 full level
H01F 41/02 (2006.01); H01F 1/22 (2006.01); H01F 1/24 (2006.01)
CPC (source: EP US)
H01F 1/22 (2013.01 - EP US); H01F 1/24 (2013.01 - EP US); H01F 41/0246 (2013.01 - EP US); B22F 2998/10 (2013.01 - EP US)
Designated contracting state (EPC)
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 TR
DOCDB simple family (publication)
WO 2009135604 A1 20091112; CN 102165540 A 20110824; DE 102008023059 A1 20100225; DE 102008023059 B4 20100610; EP 2289082 A1 20110302; EP 2289082 B1 20140507; US 2011058976 A1 20110310; US 8845957 B2 20140930
DOCDB simple family (application)
EP 2009003041 W 20090427; CN 200980116263 A 20090427; DE 102008023059 A 20080509; EP 09741823 A 20090427; US 99155209 A 20090427