Global Patent Index - EP 2941327 B1

EP 2941327 B1 20180725 - METHOD FOR THE PRODUCTION OF CORE SAND AND OR MOLDING SAND FOR CASTING PURPOSES

Title (en)

METHOD FOR THE PRODUCTION OF CORE SAND AND OR MOLDING SAND FOR CASTING PURPOSES

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES KERN- UND ODER FORMSANDES FÜR GIESSEREIZWECKE

Title (fr)

PROCEDE DE FABRICATION D'UN SABLE POUR NOYAUX ET OU MOULES DE FONDERIE

Publication

EP 2941327 B1 20180725 (DE)

Application

EP 14700045 A 20140103

Priority

  • DE 102013100060 A 20130104
  • EP 2014050055 W 20140103

Abstract (en)

[origin: WO2014106646A1] The invention relates to a method for producing core sand and/or molding sand for casting purposes. A granular mineral mold base material is mixed with at least one inorganic binder and additionally an inorganic expanding additive. According to the invention, water glass is used as the binder and expanded graphite is used as the expanding additive.

IPC 8 full level

B22C 1/02 (2006.01); B22C 1/14 (2006.01); B22C 1/18 (2006.01); B22C 9/10 (2006.01)

CPC (source: EP US)

B22C 1/14 (2013.01 - EP US); B22C 1/18 (2013.01 - EP US); B22C 1/188 (2013.01 - EP US); B22C 9/10 (2013.01 - EP US)

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 RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2014106646 A1 20140710; BR 112015015966 A2 20170711; CN 105073298 A 20151118; EP 2941327 A1 20151111; EP 2941327 B1 20180725; MX 2015008691 A 20160304; US 2015367406 A1 20151224; US 2016346830 A1 20161201; US 9764377 B2 20170919

DOCDB simple family (application)

EP 2014050055 W 20140103; BR 112015015966 A 20140103; CN 201480003915 A 20140103; EP 14700045 A 20140103; MX 2015008691 A 20140103; US 201414653152 A 20140103; US 201615231403 A 20160808