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    Method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite
    1.
    发明申请
    Method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite 失效
    用膨润土，沙子覆盖沙子的方法，以及使用膨润土覆盖的沙子回收模具砂的方法

    公开(公告)号：US20020110044A1

    公开(公告)日：2002-08-15

    申请号：US10043172

    申请日：2002-01-14

    申请人： SINTOKOGIO, LTD.

    发明人： Ryoji Kanayama ,  Yasunori Yoshida ,  Kuniyasu Mori ,  Kazuo Sugimoto ,  Yukikazu Ando

    IPC分类号： B28C007/04

    CPC分类号： B22C1/181 ,  B22C5/08 ,  B22C5/18

    摘要： Given green sand is obtained by a mixing operation that is carried out for a short period of time. Discarded sand is supplied as supplementary sand to a sand processing line, so that molding sand can be recycled. Green sand for a molding is used for facing sand or the pocket sand. Bentonite-covered sand is made by mixing reproduced sand, new sand, and discarded sand or any or all of them. The bentonite-covered sand is added to collected sand to supplement it. Also, the bentonite-covered sand is mixed with water, and used for facing sand or the pocket sand.

    摘要翻译： 给定绿砂通过在短时间内进行的混合操作获得。 废砂被作为补砂提供给砂处理生产线，从而可以回收型砂。 用于成型的绿砂用于面向砂或口袋砂。 膨润土覆盖的沙子是通过混合再生砂，新砂和废砂或其中任何一种或全部而制成的。 将膨润土覆盖的沙子加入到收集的沙子中以补充它。 此外，将膨润土覆盖的沙子与水混合，用于面对沙子或口袋砂。