Title:
METHOD FOR MANUFACTURING COMBINATION INVESTMENT CASTING CORE, AND INVESTMENT CASTING CORE
Document Type and Number:
Japanese Patent JP2007307618
Kind Code:
A
Abstract:
To provide a method for manufacturing a combination investment casting core (20).
In the method for manufacturing the combination investment casting core (20), a plurality of cores are each formed by cutting a metallic sheet to define a first portion (30) and a number of separate second portions (32) linked by the first portion. The second portions (32) are bent out of local alignment with the first portion (30). The first portions (30) of the cores are assembled and secured to each other.
COPYRIGHT: (C)2008,JPO&INPIT
Inventors:
LUCZAK BLAKE J
Application Number:
JP2007125129A
Publication Date:
November 29, 2007
Filing Date:
May 10, 2007
Export Citation:
Assignee:
UNITED TECHNOLOGIES CORP
International Classes:
B22C9/04; B22C9/10; B22C9/24; F01D5/18; F01D9/02; F02C7/00
Attorney, Agent or Firm:
Tsuyoshi Hashimoto
Tomioka Kiyoshi
Tomioka Kiyoshi
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