Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DISPOSABLE INSERT, AND USE THEREOF IN METHOD FOR MANUFACTURING AIRFOIL
Document Type and Number:
Japanese Patent JP2008142777
Kind Code:
A
Abstract:

To provide an improved process that accurately produces an integral casting core for double wall airfoil casting.

Disclosed herein is a method of forming an integral casting core comprising adding a disposable insert to a metal core die; disposing a slurry into the metal core die; wherein the slurry comprises ceramic particles; firing the slurry to form an integral casting core; and removing the disposable insert from the integral casting core in the case of firing the slurry. The disposable insert is manufactured by a rapid protrotyping process.


Inventors:
LEE CHING-PANG
WANG HSIN-PANG
UPADHYAY RAM KUMAR
MYERS PAUL RICHARD
EDGAR MARC THOMAS
Application Number:
JP2007311887A
Publication Date:
June 26, 2008
Filing Date:
December 03, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
GEN ELECTRIC
International Classes:
B22C9/04; B22C9/10; B22C9/24; F01D5/18; F01D5/28; F01D9/02; F01D25/00; F02C7/00
Domestic Patent References:
JPS5445314A1979-04-10
JPH04305333A1992-10-28
JPS5445314A1979-04-10
JP2006051542A2006-02-23
JP2005028455A2005-02-03
JPS63242439A1988-10-07
JP2001286980A2001-10-16
Foreign References:
GB2090181A1982-07-07
Attorney, Agent or Firm:
Kenichi Matsumoto
Hirokazu Ogura
Toshihisa Kurokawa
Arakawa Satoshi