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2. 发明公开

EP0951987A1 Plate and section manufacture 有权
标题翻译： Verfahren zur Herstellung von Platten und Profilelementen
公开(公告)号：EP0951987A1
公开(公告)日：1999-10-27
申请号：EP99303016.2
申请日：1999-04-19
申请人： ITW Litec France
发明人： Birkel, Thierry , Van De Ven, Jacques , Regenass, Patrice , Duchanois, Dominique
IPC分类号： B29D31/00 , B29C69/02
CPC分类号： B29D99/0003 , B29C69/02 , B29C70/04 , B29K2003/00 , B29K2005/00 , B29K2086/00 , Y10T156/101 , Y10T156/1011 , Y10T156/1056
摘要： This invention concerns a continuous manufacturing process of sections (11) or plates from soft matter (2) which is extruded under heat and encased by at least one strip sheet (3,3), said encased matter subsequently being calendered, shaped to the desired profile and finally cut into lengths. The process is particularly remarkable in that the matter used is a mixture containing a non-synthetic binder and water, so that the mixture becomes sticky by undergoing said heat treatment in an aqueous medium, which assures adhesion of the casing onto the matter during calendering, while the product undergoes at least one drying operation after said calendering operation.
The binder is advantageously starch-based and the mixture may also contain a plasticizer, for example containing urea.
The invention also concerns an installation for implementation of the process and the products thus obtained.
摘要翻译：本发明涉及从软质材料（2）制成的切片（11）或板材的连续制造工艺，该材料在加热下挤压并被至少一个带状薄片（3,3）包裹，所述包裹材料随后被砑光，成形为所需的轮廓，最后切成长长。该方法特别显着，因为所使用的物质是含有非合成粘合剂和水的混合物，使得通过在水性介质中进行所述热处理使混合物变粘，这保证了在压延期间壳体对物质的粘附性，而在所述压延操作之后产品经历至少一次干燥操作。粘合剂有利地是基于淀粉的，并且混合物还可以含有增塑剂，例如含有尿素。本发明还涉及用于实现由此获得的方法和产品的装置。

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