EP 4363135 A1 20240508 - METHOD FOR THE LAYERED CONSTRUCTION OF MOLDS AND CORES WITH A BINDER CONTAINING WATER GLASS
Title (en)
METHOD FOR THE LAYERED CONSTRUCTION OF MOLDS AND CORES WITH A BINDER CONTAINING WATER GLASS
Title (de)
VERFAHREN ZUM SCHICHTWEISEN AUFBAU VON FORMEN UND KERNEN MIT EINEM WASSERGLASHALTIGEN BINDEMITTEL
Title (fr)
PROCÉDÉ DE CONSTRUCTION EN COUCHES DE MOULES ET DE NOYAUX AVEC UN LIANT CONTENANT DU VERRE SOLUBLE
Publication
Application
Priority
- DE 102021116930 A 20210630
- DE 2022100454 W 20220621
Abstract (en)
[origin: WO2023274450A1] The invention relates to a method for the layered construction of molds and cores comprising fire-resistant base molding material, a hydrophobicized metal oxide and a binder containing at least water glass in the form of an aqueous alkali silicate solution. The invention also relates to molds or cores produced in this manner.
IPC 8 full level
B22C 1/18 (2006.01); B22C 1/20 (2006.01); B22C 9/02 (2006.01); B22C 9/10 (2006.01); B28B 1/00 (2006.01); B33Y 10/00 (2015.01); B33Y 40/20 (2020.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01)
CPC (source: EP KR)
B22C 1/02 (2013.01 - EP); B22C 1/188 (2013.01 - EP KR); B22C 9/02 (2013.01 - EP KR); B22C 9/10 (2013.01 - EP KR); B33Y 10/00 (2014.12 - EP KR); B33Y 40/20 (2020.01 - EP KR); B33Y 70/00 (2014.12 - EP KR); B33Y 80/00 (2014.12 - EP KR); C01B 33/113 (2013.01 - KR)
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102021116930 A1 20230105; CN 117897240 A 20240416; EP 4363135 A1 20240508; KR 20240027711 A 20240304; WO 2023274450 A1 20230105
DOCDB simple family (application)
DE 102021116930 A 20210630; CN 202280059377 A 20220621; DE 2022100454 W 20220621; EP 22740283 A 20220621; KR 20247002394 A 20220621