Global Patent Index - EP 3827911 A1

EP 3827911 A1 20210602 - METAL CASTING WITH CORES

Title (en)

METAL CASTING WITH CORES

Title (de)

METALLGUSS MIT KERNEN

Title (fr)

MOULAGE MÉTALLIQUE À NOYAUX

Publication

EP 3827911 A1 20210602 (EN)

Application

EP 20208614 A 20201119

Priority

CN 201911178360 A 20191127

Abstract (en)

The invention relates to a method for producing a core (10) to be used in metal casting of a metal component having a cavity structure, the core (10) at least partially defining the cavity structure in the metal component, wherein the method comprises: placing a venting element (1) in a core box; and forming the core (10) at least partially around the venting element (1), such that the venting element (1) is integrated in the core (10) and establishes a hollow passage in the core (10). The invention also relates to a core for metal casting, to a method for metal casting and to a casting mold arrangement (20) for metal casting.

IPC 8 full level

B22C 7/06 (2006.01); B22C 9/10 (2006.01); B22C 9/24 (2006.01); B22C 21/14 (2006.01)

CPC (source: CN EP)

B22C 7/065 (2013.01 - CN EP); B22C 9/02 (2013.01 - CN); B22C 9/10 (2013.01 - CN EP); B22C 9/106 (2013.01 - EP); B22C 9/108 (2013.01 - EP); B22C 9/24 (2013.01 - EP); B22C 21/14 (2013.01 - EP)

Citation (applicant)

EP 1291097 A1 20030312 - HYDRO ALUMINIUM DEUTSCHLAND [DE]

Citation (search report)

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

DOCDB simple family (publication)

EP 3827911 A1 20210602; CN 112846091 A 20210528

DOCDB simple family (application)

EP 20208614 A 20201119; CN 201911178360 A 20191127