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专利名称：Apparatus and process for manufacturing
plastic-metal-plastic multilayered tubes
发明人：DINGLER, HARALD,MUELLER,
CARSTEN,SCHUCK, STEFAN
申请号：EP02017819.0申请日：20020807公开号：EP1287973B1公开日：20080227
摘要：Arrangement for the production of more layer pipes with several diameters,a)with a shaping device, a multilayer tube with an inner plastic layer and a metal layer, whichis arranged around it produces;b) with a first extruder section (10) for the production ofthe internal layer of plastics material;c) with a metal strip feeding device (14);d) by a weld- and a moulding means (16a, 16b) for closing of a metal strip (15) in the axial direction ofthe plastic tube (11) for the preparation of the about the inner plastic layer closed metallayer, wherein a two-layer composite (25) is obtained;e) with at least one reduction device(18) for reducing the diameter of the two-layer composite (25) to a between - or finaldimension of the two-layer composite (25);f) with a second extruder section (24) forgenerating the outer plastic layer;g) with a first adhesion promoter activation station (31;31a) between the reduction device (18) and the second extruder section (24),characterized in thath) the further or additional delivery reducing means (20, 22)reversibly between the first reduction device..
申请人：FRAENKISCHE ROHRWERKE GEBR. KIRCHNER GMBH & CO KG,KIRCHNERFRAENK ROHR,FRAENKISCHE ROHRWERKE GEBR. KIRCHNER GMBH & CO KG
地址：DE
国籍：DE
代理机构：Schwabe - Sandmair - Marx
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