专利内容由知识产权出版社提供
专利名称：QUASI SELF-DESTRUCTIVE CORE FOR
INVESTMENT CASTING
发明人：Shihong G. Song,James S. Giampapa,John H.
Meeson, JR.
申请号：US13747653申请日：20130123
公开号：US20140202650A1公开日：20140724
专利附图：
摘要：A composite core for forming a passage in an investment casting mold isprovided 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 isformed about the structural element. The shell element extends beyond both an interiorsurface and an exterior surface of the structural element. The shell element is configuredto shatter when the structural element deforms.
申请人：SIKORSKY AIRCRAFT CORPORATION
地址：Stratford CT US
国籍：US
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