发明名称 COMPOUND PIPE AND METHOD OF MAKING SAME
摘要 The arrangement has two or more plastic pipes (1a-1c) arranged adjacent to each other, and a sleeve (2) enclosing both pipes. The pipes are held together with a predefined degree of play between them and with respect to the sleeve. The pipes can be of equal or unequal diameters. An Independent claim is also included for a method of producing a composite pipe arrangement.
申请公布号 PL335124(A1) 申请公布日期 2000.03.13
申请号 PL19990335124 申请日期 1999.08.26
申请人 DIPL.-ING.DR ERNST VOGELSANG GMBH & CO.KG 发明人 VOGELSANG HORST
分类号 F16L9/19;(IPC1-7):F16L3/23 主分类号 F16L9/19
代理机构 代理人
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