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专利名称：METHOD FOR MANUFACTURING A PIPE发明人：VOGELSANG, HORST申请号：EP13729302.3申请日：20130607公开号：EP28094A1公开日：20150429
摘要：The present invention relates to a method for manufacturing a pipe, particularlya cable conduit, from a thermoplastic synthetic material. Said pipe is equipped with atleast one triple-layered, single-material structure consisting of a pipe inner wall (4), afoamed intermediate layer (7) and a pipe outer wall (5). According to the invention, saidintermediate layer (7) is foamed by the combined action of at least one chemicalpropellant and one physical propellant.
申请人：DIPL.-ING. DR. ERNST VOGELSANG GMBH & CO. KG
地址：Industriestrasse 2 D-45699 Herten DE
国籍：DE
代理机构：Nunnenkamp, Jörg
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