专利名称：Lightweight granules for lightweight
concrete, process for their production.
发明人：WICKI, MAXIMILIAN申请号：EP91401043.4申请日：19910419公开号：EP0457634A1公开日：19911121
专利附图：
摘要：The granulate, such as vermiculite, is treated by spraying the surface of theparticles with the help of a mixture of three adjuvants, namely a surface-active agent, asetting accelerator and a cement-fluidising agent, as a mixture in water, and the mixer for
the preparation of the granulate comprises a rotary central shaft 7 passing through astationary feed hopper for particles 1, carrying a perforated rotating tray 3 throughwhich passes a liquid feed conduit 6 ending in a spraying nozzle 8.
申请人：FIBRASA HOLDING AG
地址：HERRENGASSE 23; CH-6430 SCHWYZ,Herrengasse 23 CH-6430 Schwyz CH
国籍：CH
代理机构：Hirsch, Marc-Roger
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