发明名称 |
PROCESSO PARA A ACELERACAO DA ADSORCAO DE AGUA POR BENTONITE, ESPECIALMENTE COMO ADITIVO PARA AREIAS DE MOLDAGEM |
摘要 |
<p>1. A process to accelerate the water adsorption of bentonite as an additive to moulding sands, characterized in that a material of laminated structure with distinctively smooth cleavage and not swelling in water is added to the bentonite before its use as additive material.</p> |
申请公布号 |
PT86342(B) |
申请公布日期 |
1991.02.08 |
申请号 |
PT19870086342 |
申请日期 |
1987.12.11 |
申请人 |
IKO INDUSTRIEKOHLE GMBH & CO. KG. |
发明人 |
JOERK BAIER;KARL KOCH |
分类号 |
B22C1/02;B22C1/18;C04B28/00;(IPC1-7):B22C1/02 |
主分类号 |
B22C1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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