发明名称 Method of producing a multi-layer detergent tablet
摘要 A method is provided for producing a tablet, especially a detergent tablet, which includes at least one first and one second layer. The method comprises the following steps: (a) introducing a first metered quantity of a first particulate composition into a molding cavity of a tablet press; (b) compacting the first metered quantity with a first mold pressure by means of a molding punch that has at least one convexity on its pressing surface, to produce a first compacted layer that has one or more respective indentations in its upper surface that corresponds to a convexity/convexities on the molding punch; (c) introducing a second metered quantity of a second particulate composition into the molding cavity of the tablet press on top of the first compacted layer; and (d) compacting the second metered quantity with a second mold pressure by means of a molding punch, to produce a second compacted layer with one or more respective indentations in its upper surface.
申请公布号 US6809073(B2) 申请公布日期 2004.10.26
申请号 US20010000641 申请日期 2001.11.15
申请人 RECKITT BENCKISER N.V. 发明人 HOEFLINGER WILFRIED;GERET LAURENCE;SANDMANN BRIGITTE;WIEDEMANN RALF
分类号 B30B11/08;B30B15/06;C11D17/00;(IPC1-7):C11D11/00 主分类号 B30B11/08
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