发明名称 METHOD OF APPLYING LUBRICATION TO LEGS OF A HAIRPIN TUBE
摘要 A method and system for manufacturing a hairpin tube. The method includes cutting a coil of tube to provide a plurality of lengths of tubes, and bending each length of tube to form a plurality of hairpin tubes. A lubricant is then atomized with an injector nozzle, and injected into at least one open end of each hairpin tube. After lubricating the hairpin tubes, the legs of each hairpin tube are expanded.
申请公布号 US2014096391(A1) 申请公布日期 2014.04.10
申请号 US201213647458 申请日期 2012.10.09
申请人 BRAZEWAY, INC. 发明人 SKRZYPCHAK DAVID W.;SOMANI VIKAS;CHRISTEN BRIAN J.
分类号 B23P15/26;B21D7/16;B21D31/00 主分类号 B23P15/26
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