Invention Grant
- Patent Title: Method of forming a cast metal article
- Patent Title (中): 铸造金属制品的成型方法
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Application No.: US13110362Application Date: 2011-05-18
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Publication No.: US08393381B2Publication Date: 2013-03-12
- Inventor: Lawrence D. Graham , James Barrett , Don Deptowicz
- Applicant: Lawrence D. Graham , James Barrett , Don Deptowicz
- Applicant Address: US OH Beachwood
- Assignee: PCC Airfoils, Inc.
- Current Assignee: PCC Airfoils, Inc.
- Current Assignee Address: US OH Beachwood
- Agency: Tarolli, Sundheim, Covell & Tummino LLP
- Main IPC: B22D29/00
- IPC: B22D29/00
Abstract:
A cast metal article is formed with an internal cavity. The internal cavity is formed by a ceramic core which is removed from the cast metal article to leave the cavity. The ceramic core is formed with a cavity to facilitate removal of the core from the cast metal article. To remove the core from the cast metal article, the cavity in the core is filled with a leaching liquid.
Public/Granted literature
- US20120291983A1 METHOD OF FORMING A CAST METAL ARTICLE Public/Granted day:2012-11-22
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