Global Patent Index - EP 1721688 A1

EP 1721688 A1 20061115 - Foundry cores and method for manufacturing the same

Title (en)

Foundry cores and method for manufacturing the same

Title (de)

Giesskerne und Verfahren zur Herstellung solche Kerne

Title (fr)

Noyaux de fonderie et procédé pour leur fabrication

Publication

EP 1721688 A1 20061115 (EN)

Application

EP 05425320 A 20050513

Priority

EP 05425320 A 20050513

Abstract (en)

The present invention relates to foundry cores and a method for manufacturing the same. Particularly, the present invention relates to a hollow foundry core (1) comprising a plurality of half-cores (1a, 1b, 1c) being assembled by means of sealing elements (4a, 4b, 4c) for providing a core (1), said half-cores (1a, 1b, 1c) and said sealing elements (4a, 4b, 4c) being provided with a pressed mixture of sand and a binder.

IPC 8 full level

B22C 9/10 (2006.01)

CPC (source: EP)

B22C 7/06 (2013.01); B22C 9/103 (2013.01); B22C 9/106 (2013.01)

Citation (search report)

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

Designated extension state (EPC)

AL BA HR LV MK YU

DOCDB simple family (publication)

EP 1721688 A1 20061115

DOCDB simple family (application)

EP 05425320 A 20050513