发明名称 |
CORE-SHEATH PARTICLE FOR USE AS A FILLER FOR FEEDER MASSES |
摘要 |
The present invention relates to a core-sheath particle for use as a filler for feeder masses for the production of feeders, comprising (a) a carrier core having a size of 30 μm to 500 μm and composed of a material, which is resistant up to a maximum temperature of 1400° C. and contains no polystyrene, (b) a sheath surrounding the core composed of or comprising (b1) particles having a maximum D 50 value for grain size of 15 μm and resistant up to a temperature of at least 1500° C., and (b2) a binding agent binding the particles to one another and to the carrier core, wherein the core-sheath particle is resistant to temperatures up to 1450° C. |
申请公布号 |
EP2139626(B1) |
申请公布日期 |
2012.02.08 |
申请号 |
EP20080717855 |
申请日期 |
2008.03.14 |
申请人 |
CHEMEX GMBH |
发明人 |
LANVER, ULRICH;RIEMANN, KLAUS DIETER;HUEBERT, JUERGEN;LIEBER, HERMANN |
分类号 |
B22C1/18;B22C9/08;B22D7/10 |
主分类号 |
B22C1/18 |
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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