发明名称 Exhaust apparatus and method
摘要 A rotary swaging method for the tapering of metal tubes is disclosed. The method comprises the use of a rotary swaging machine comprising a die comprising a die taper comprising a length of greater than about 12 inches, a diameter reduction of greater than about 30%, and/or a taper angle of less than about 12 degrees.
申请公布号 US2009014082(A1) 申请公布日期 2009.01.15
申请号 US20080215749 申请日期 2008.06.30
申请人 CANNALEY JAMES R 发明人 CANNALEY JAMES R.
分类号 B21C37/16;B21D37/00;B21K21/08 主分类号 B21C37/16
代理机构 代理人
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