发明名称 Method of manufacturing a multiple-walled tube
摘要 The invention relates to a method of manufacturing a tube, comprising the application respectively to one side of a metal strip 1 a first layer 2 of a first metal which is brazeable and to the other side of the metal strip 1 a second layer 3 of a second metal which is different from the first metal, and, after application of said layers 2,3, rolling of the strip 1 in order to form a tube having at least two walls.
申请公布号 US5297410(A) 申请公布日期 1994.03.29
申请号 US19920985935 申请日期 1992.12.04
申请人 BUNDY INTERNATIONAL LIMITED 发明人 GOFF, ROBERT W. J.
分类号 B21C37/06;B21C37/09;B21C37/15;(IPC1-7):B21C37/06 主分类号 B21C37/06
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