Title:
MOLD FOR PRECISION CASTING, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2014/057903
Kind Code:
A1
Abstract:
A mold for precision casting which is used to produce a casting, the mold having a core which has a shape corresponding to the hollow section in the interior of the casting, and an outer mold which has a shape corresponding to the outer circumferential surface of the casting, wherein the outer mold comprises: a prime layer (101A) which is formed on the inner circumferential surface from a slurry film obtained by drying a mold slurry for precision casting comprising monodispersed aluminum superfine particles having a diameter of 1.0 μm or less; and a multi-layered back-up layer (105A) which is formed on the outside of the prime layer (101A) by forming multiple back-up layers (104) obtained by forming and drying slurry layers (102) formed from the mold slurry for precision casting, and stucco layers (103) obtained by attaching a stucco material on the slurry layers (102).
Inventors:
OGUMA HIDETAKA (JP)
MORI KAZUTAKA (JP)
OKADA IKUO (JP)
SHIMOHATA SACHIO (JP)
MORI KAZUTAKA (JP)
OKADA IKUO (JP)
SHIMOHATA SACHIO (JP)
Application Number:
PCT/JP2013/077218
Publication Date:
April 17, 2014
Filing Date:
October 07, 2013
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B22C9/04
Foreign References:
| JPS4837497B1 | 1973-11-12 | |||
| JPS54130438A | 1979-10-09 | |||
| JP2010240653A | 2010-10-28 | |||
| JP2008155284A | 2008-07-10 |
Attorney, Agent or Firm:
SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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