Title:
SELF-HARDENING COMPOUND FOR MAKING CASTING MOULDS AND CORES
Document Type and Number:
WIPO Patent Application WO/1981/000224
Kind Code:
A1
Abstract:
A self-hardening compound for making casting moulds and cores containing a refractory filler, orthophosphoric acid, a magnesia-spinellid-type compound roasted at a temperature of 1600 to 1900 C during 40 to 1600 hours, and water at the following ratio of the said components in parts by weight: orthophosphoric acid 2-10; (the said magnesia-spinellid-type compound 2-20; water 0.5-6.0; refractory filler, balance).
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Inventors:
YUNOVICH Y (SU)
KOLESNIKOV V (SU)
RENZHIN I (SU)
NEVSKAYA O (SU)
PERTSOVSKY V (SU)
ZHUKOVSKY S (SU)
KOLESNIKOV V (SU)
RENZHIN I (SU)
NEVSKAYA O (SU)
PERTSOVSKY V (SU)
ZHUKOVSKY S (SU)
Application Number:
PCT/SU1980/000094
Publication Date:
February 05, 1981
Filing Date:
May 30, 1980
Export Citation:
Assignee:
TSNIITMASH (SU)
YUNOVICH Y (SU)
KOLESNIKOV V (SU)
RENZHIN I (SU)
NEVSKAYA O (SU)
PERTSOVSKY V (SU)
ZHUKOVSKY S (SU)
YUNOVICH Y (SU)
KOLESNIKOV V (SU)
RENZHIN I (SU)
NEVSKAYA O (SU)
PERTSOVSKY V (SU)
ZHUKOVSKY S (SU)
International Classes:
B22C1/16; B22C1/18; C04B35/04; (IPC1-7): B22C1/18; C04B35/04
Foreign References:
| SU339090A1 | 1977-12-05 | |||
| JPS5223882A | 1977-02-23 |
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