Quasi self-destructive core for investment casting
摘要
<p>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.</p>
申请公布号
EP2759359(A2)
申请公布日期
2014.07.30
申请号
EP20130194178
申请日期
2013.11.23
申请人
SIKORSKY AIRCRAFT CORPORATION
发明人
SONG, SHIHONG G.;GIAMPAPA, JAMES S.;MEESON JR., JOHN H.