专利名称：Method of making a gas-tight joint between
a corrugated high quality steel tube and ahigh quality steel sleeve
发明人：Gunther Blumenberg申请号：US05/909369申请日：19780525公开号：US04227639A公开日：19801014
摘要：The corrugation is removed from an end portion of a helically corrugated tube,and an internally threaded sleeve is threaded onto the tube. The sleeve has an
unthreaded extension which is being drawn by a suitable tool to engage the smooth wallportion of the tube and is subsequently welded thereto.
申请人：KABEL- UND METALLWERKE GUTEHOFFNUNGSHUETTE AG
代理机构：Smyth, Pavitt, Siegemund, Jones & Martella
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容