Title:
METHOD FOR PRODUCING SALT CORE FOR CASTING AND SALT CORE FOR CASTING
Document Type and Number:
WIPO Patent Application WO/2007/135995
Kind Code:
A1
Abstract:
When a salt core (2) is formed by die casting, a melt is obtained first by heating
and melting a mixed salt containing at least a potassium salt and a sodium salt.
Then, the temperature of the melt is decreased to have the melt in a semi-solidified
(solid-liquid coexisting) state. The semi-solidified melt is cast into a mold
for salt core under high pressure and solidified therein, and the thus-formed
salt core is taken out of the mold after solidification.
Inventors:
YAOKAWA JUN (JP)
ANZAI KOICHI (JP)
YAMADA YOUJI (JP)
ANZAI KOICHI (JP)
YAMADA YOUJI (JP)
Application Number:
PCT/JP2007/060239
Publication Date:
November 29, 2007
Filing Date:
May 18, 2007
Export Citation:
Assignee:
UNIV TOHOKU NAT UNIV CORP (JP)
YAMAHA MOTOR CO LTD (JP)
YAOKAWA JUN (JP)
ANZAI KOICHI (JP)
YAMADA YOUJI (JP)
YAMAHA MOTOR CO LTD (JP)
YAOKAWA JUN (JP)
ANZAI KOICHI (JP)
YAMADA YOUJI (JP)
International Classes:
B22C9/10; B22C1/00; B22C9/24; B22D29/00
Foreign References:
JPS5314618A | 1978-02-09 | |||
JPS4839696B1 | 1973-11-26 | |||
JPS5210803B1 | 1977-03-26 | |||
JPS4839696A | 1973-06-11 | |||
JPS50136225A | 1975-10-29 | |||
JPS5210803A | 1977-01-27 | |||
US3963818A | 1976-06-15 |
Other References:
See also references of EP 2022577A4
Attorney, Agent or Firm:
YAMAKAWA, Masaki et al. (8th Floor Shuwa-Tameike Building, 4-2, Nagatacho 2-chom, Chiyoda-ku Tokyo 14, JP)
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