EP 2759359 B1 20200617 - Quasi self-destructive core for investment casting
Title (en)
Quasi self-destructive core for investment casting
Title (de)
Quasi selbstzerstörender Kern zum Feingießen
Title (fr)
Noyau quasi autodestructeur pour moulage de précision
Publication
Application
Priority
US 201313747653 A 20130123
Abstract (en)
[origin: EP2759359A2] A composite core for forming a passage in an investment casting mold is provided including a generally hollow structural element. The structural element is configured to deform when a force is applied to an end thereof. A rigid shell element is formed about the structural element. The shell element extends beyond both an interior surface and an exterior surface of the structural element. The shell element is configured to shatter when the structural element deforms.
IPC 8 full level
B22C 9/10 (2006.01)
CPC (source: 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)
EP 2759359 A2 20140730; EP 2759359 A3 20180103; EP 2759359 B1 20200617; US 2014202650 A1 20140724; US 2016243609 A1 20160825
DOCDB simple family (application)
EP 13194178 A 20131123; US 201313747653 A 20130123; US 201615051311 A 20160223