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公开(公告)号:US4163000A
公开(公告)日:1979-07-31
申请号:US856805
申请日:1977-12-01
申请人: Jiro Kashima , Synji Sato
发明人: Jiro Kashima , Synji Sato
CPC分类号: B22C1/167 , B22C1/2206
摘要: A foundry mold composition comprising a foundry mold sand, a binder in an amount sufficient to bind the sand and less than 1 part by weight, per 100 parts by weight of the sand, of clay, said binder being an aqueous solution of a water-soluble maleic acid-type copolymer in an amount of at least 1 part by weight per 100 parts by weight of the sand, and a process for producing a foundry mold, using aforesaid composition.
摘要翻译: 一种铸造模具组合物,其包含铸造模具砂,相对于每100重量份的砂,足以粘结砂并且小于1重量份的粘合剂的粘土,所述粘合剂是水溶性水溶液, 水溶性马来酸型共聚物,相对于100重量份的砂,为至少1重量份,以及使用上述组合物制造铸造模具的方法。