Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomoaki Ishikuro0
Mitsuru Wakisaka0
Taro Yamazaki0
Tatsunori Sakai0
Chitoshi Hayashi0
Masaya Nomura0
Date of Patent
August 23, 2011
0Patent Application Number
127226470
Date Filed
March 12, 2010
0Patent Primary Examiner
Patent abstract
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.
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