发明名称 Method of repairing a furnace
摘要 A furnace repair device and method therefore is accomplished by including pipe of suitable length and strength to have at least one swedged end permitting assembly in female to male relationship, which permits a proper securing of the replacement pipe in a desired position in the heat exchanger.
申请公布号 US8661674(B1) 申请公布日期 2014.03.04
申请号 US20100928610 申请日期 2010.12.15
申请人 METZ MICHAEL P. 发明人 METZ MICHAEL P.
分类号 B23P6/00;B23P15/26;F16L55/18 主分类号 B23P6/00
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