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AssigneeSuzuki Motor Corporation
InventorsChitoshi Hayashi, Tomoaki Ishikuro, Taro Yamazaki, Mitsuru Wakisaka, Tatsunori Sakai, Masaya Nomura
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In a collapsible mold and a method of manufacturing the same, the collapsible mold has extremely low moisture-absorption properties, does not change in surface properties thereof due to absorption of moisture and swelling, and is storable for a long time without absorbing moisture and swelling. Specifically, the method manufactures a collapsible mold containing at least any of calcium oxide and magnesium oxide. The method includes a step of bringing the collapsible mold into contact with carbon dioxide immediately after a step of burning the collapsible mold or a step of casting the collapsible mold.
A method of manufacturing a collapsible mold containing at least one of calcium oxide and magnesium oxide, the method comprising a step of bringing the collapsible mold into contact with carbon dioxide immediately after any one of a step of burning the collapsible mold and a step of casting the collapsible mold.
A collapsible mold comprising at least one of calcium oxide and magnesium oxide, wherein the calcium oxide and the magnesium oxide in a surface layer thereof are changed into calcium carbonate and magnesium carbonate, respectively.
Dependencies are inferred from the claim text.