Title:
INORGANIC COATED SAND
Document Type and Number:
WIPO Patent Application WO/2022/163464
Kind Code:
A1
Abstract:
A method for preventing the deformation of a mold during casting, in which the mold is produced using inorganic coated sand comprising a refractory aggregate and an inorganic binder layer formed on the surface of the refractory aggregate, the inorganic binder layer contains at least one component selected from zinc oxide and magnesium oxide, and the total content of zinc oxide and magnesium oxide is 6 to 70 parts by mass inclusive relative to 100 parts by mass of an inorganic binder.
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Inventors:
AONUMA HIROAKI (JP)
NAKANE KEISUKE (JP)
NAKANE KEISUKE (JP)
Application Number:
PCT/JP2022/001786
Publication Date:
August 04, 2022
Filing Date:
January 19, 2022
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
B22C1/10; B22C1/18
Domestic Patent References:
| WO2015194550A1 | 2015-12-23 |
Foreign References:
| JPS342257B1 | 1959-04-09 | |||
| JP2005059081A | 2005-03-10 | |||
| JPS49130824A | 1974-12-14 | |||
| JP2008511447A | 2008-04-17 | |||
| JP2014117740A | 2014-06-30 |
Attorney, Agent or Firm:
HAYAMI Shinji (JP)
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