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公开(公告)号：US09764377B2
公开(公告)日：2017-09-19
申请号：US15231403
申请日：2016-08-08
摘要： The invention relates to a method for producing core sand and/or molding sand for casting purposes. A granular mineral mold base material is mixed with at least one inorganic binder and additionally an inorganic expanding additive. Water glass may be used as the binder and expandable graphite may be used as the expandable additive.
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公开(公告)号：US20160297712A1
公开(公告)日：2016-10-13
申请号：US14901605
申请日：2014-04-25
发明人： WOLFGANG RUCKERT
IPC分类号： C04B35/06 , B22D11/111 , C04B38/02 , C04B35/63 , C04B35/626
CPC分类号： C04B35/06 , B22D11/111 , C04B35/62695 , C04B35/6303 , C04B38/02 , C04B2111/0087 , C04B2235/3206 , C04B2235/3208 , C04B2235/321 , C04B2235/443 , C04B2235/6562 , C04B2235/77 , C04B38/009
摘要： A method for producing granulates, particularly for use as thermal insulation for a metal melt may include mixing a powdery mineral with a binder, and the mixture may be granulated in order to produce a semi-finished product. The granulate mixture or the semi-finished product may be heated rapidly to a temperature above the melting temperature or decomposition temperature of the binder, which may be in the form of a salt, so that the binder decomposes, whereby gas is released and the volume increases. The apparent density of the granulate mixture may decrease, and therefore the apparent density of the finished product may decrease with respect to the semi-finished product.
摘要翻译： 用于生产特别用作金属熔体隔热材料的颗粒的方法可包括将粉状矿物与粘合剂混合，并且混合物可以造粒以制备半成品。 颗粒混合物或半成品可以被快速加热到高于粘合剂的熔融温度或分解温度的温度，粘合剂可以是盐的形式，使得粘合剂分解，由此释放气体并且体积 增加 颗粒混合物的表观密度可能降低，因此成品的表观密度可能相对于半成品而降低。
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3.发明申请METHOD FOR THE PRODUCTION OF CORE SAND AND/OR MOLDING SAND FOR CASTING PURPOSES 审中-公开用于生产铸造砂和/或成型铸造用砂的方法公开(公告)号：US20150367406A1
公开(公告)日：2015-12-24
申请号：US14653152
申请日：2014-01-03
IPC分类号： B22C1/18
摘要： The invention relates to a method for producing core sand and/or molding sand for casting purposes. A granular mineral mold base material is mixed with at least one inorganic binder and additionally an inorganic expanding additive. According to the invention, water glass is used as the binder and expanded graphite is used as the expanding additive.
摘要翻译： 本发明涉及一种用于生产用于铸造目的的芯砂和/或型砂的方法。 颗粒状矿物模具基材与至少一种无机粘合剂和另外的无机膨胀添加剂混合。 根据本发明，使用水玻璃作为粘合剂，并使用膨胀石墨作为膨胀添加剂。
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公开(公告)号：US09914665B2
公开(公告)日：2018-03-13
申请号：US14901605
申请日：2014-04-25
发明人： Wolfgang Ruckert
IPC分类号： C04B35/06 , C04B35/626 , C04B35/63 , B22D11/111 , C04B38/02 , C04B111/00
CPC分类号： C04B35/06 , B22D11/111 , C04B35/62695 , C04B35/6303 , C04B38/02 , C04B2111/0087 , C04B2235/3206 , C04B2235/3208 , C04B2235/321 , C04B2235/443 , C04B2235/6562 , C04B2235/77 , C04B38/009
摘要： A method for producing granulates, particularly for use as thermal insulation for a metal melt may include mixing a powdery mineral with a binder, and the mixture may be granulated in order to produce a semi-finished product. The granulate mixture or the semi-finished product may be heated rapidly to a temperature above the melting temperature or decomposition temperature of the binder, which may be in the form of a salt, so that the binder decomposes, whereby gas is released and the volume increases. The apparent density of the granulate mixture may decrease, and therefore the apparent density of the finished product may decrease with respect to the semi-finished product.
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5.发明申请METHOD FOR THE PRODUCTION OF CORE SAND AND/OR MOLDING SAND FOR CASTING PURPOSES 有权用于生产铸造砂和/或成型铸造用砂的方法公开(公告)号：US20160346830A1
公开(公告)日：2016-12-01
申请号：US15231403
申请日：2016-08-08
摘要： The invention relates to a method for producing core sand and/or molding sand for casting purposes. A granular mineral mold base material is mixed with at least one inorganic binder and additionally an inorganic expanding additive. Water glass may be used as the binder and expandable graphite may be used as the expandable additive.
摘要翻译： 本发明涉及一种用于生产用于铸造目的的芯砂和/或型砂的方法。 颗粒状矿物模具基材与至少一种无机粘合剂和另外的无机膨胀添加剂混合。 可以使用水玻璃作为粘合剂，并且可膨胀石墨可以用作可膨胀添加剂。
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