Composite core die, methods of manufacture thereof and articles manufactured therefrom

US8413709B2 · kind B2 · utility

Assignee

• General Electric Company · US

Inventors

• Ching-Pang Lee · Cincinnati, US
• Hsin-Pang Wang · Rexford, US
• Ram Kumar Upadhyay · Niskayuna, US
• Paul Richard Myers · Caldwell, US
• Marc Thomas Edgar · Glenmont, US
• Thomas Donald Martyn · Cincinnati, US
• Eric Alan Estill · Morrow, US

Key dates

• Filing date: Dec 6, 2006
• Grant date: Apr 9, 2013
• Expiry date: Aug 23, 2027

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B28B7/346
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A composite core die includes a reusable core die and a disposable core die; where the disposable core die is in physical communication with the reusable core die; and further where surfaces of communication between the disposable core die and the reusable core die serve as barriers to prevent the leakage of a slurry that is disposed in the composite core die.