Global Patent Index - EP 1674174 B1

EP 1674174 B1 2009-02-11 - Method for producing a casting mould

Title (en)

Method for producing a casting mould

Title (de)

Verfahren zur Herstellung einer Gussform

Title (fr)

Procédé de fabrication d'un moule de fonderie

Publication

EP 1674174 B1 (DE)

Application

EP 04030823 A

Priority

EP 04030823 A

Abstract (en)

[origin: EP1674174A1] Preparation of casting mold (16) in which a model of the component to be cast is used in an intermediate step, in which a depression is produced in the surface of the model with introduction of mold material into part of the depression. During casting part of a hole of the component is produced. In a further step the depression is partially filled with a material which produces an internal projection (34) in the mold and further mold projections are then produced.

IPC 8 full level (invention and additional information)

B22C 7/02 (2006.01); B22C 9/04 (2006.01); B22C 9/10 (2006.01)

CPC (invention and additional information)

B22C 7/02 (2013.01); B22C 9/04 (2013.01); B22C 9/108 (2013.01)

Designated contracting state (EPC)

CH DE GB IT LI

DOCDB simple family

EP 1674174 A1 20060628; EP 1674174 B1 20090211; DE 502004008983 D1 20090326; DE 502004009738 D1 20090820; EP 1920858 A1 20080514; EP 1920858 B1 20090708; US 2006162893 A1 20060727