EP 1715970 A2 20061102 - WATER-SOLUBLE SALT CORES FOR DIE CASTING
Title (en)
WATER-SOLUBLE SALT CORES FOR DIE CASTING
Title (de)
WASSERLÖSLICHE SALZKERNE FÜR DEN DRUCKGUSS
Title (fr)
NOYAUX DE SEL SOLUBLES DANS L'EAU POUR COULEE SOUS PRESSION
Publication
Application
Priority
- DE 2005000272 W 20050217
- DE 102004008096 A 20040219
- DE 102004038288 A 20040806
Abstract (en)
[origin: WO2005080022A2] The invention relates to water-soluble salt cores for die casting, said salt cores being produced by compressing, and then sintering, a mixture of water-soluble salts. According to the invention, there are between 4 and 5 parts by weight of borax, between 2 and 3 parts by weight of magnesium, and between 0.5 and 2 parts by weight of graphite or talc, in the mixture, for 100 parts by weight of salt. The compression is carried out under a pressure of between 300 and 900 N/mm<2>.
IPC 8 full level
B22C 9/10 (2006.01)
CPC (source: EP US)
B22C 9/105 (2013.01 - EP US)
Citation (search report)
See references of WO 2005080022A2
Citation (examination)
- GB 1274966 A 19720517 - SCHMIDT GMBH KARL [DE]
- DE 1483641 A1 19690227 - SCHMIDT GMBH KARL
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005080022 A2 20050901; WO 2005080022 A3 20060302; DE 112005000950 A5 20070524; EP 1715970 A2 20061102; US 2008035294 A1 20080214
DOCDB simple family (application)
DE 2005000272 W 20050217; DE 112005000950 T 20050217; EP 05714987 A 20050217; US 58962905 A 20050217