发明名称 DUCT ASSEMBLY TOOL
摘要 A combination tool for the assembly of sheet metal ductwork. The tool provides a cleat engaging aperture for closing the gap between adjoining ductwork. The tool also includes a jaw for engaging the edges of sheet metal pieces for creating a fold and for creating a continuous seam. The tool also includes a measurement ruler, scribe holes and leveling bubbles for the assembly of ductwork.
申请公布号 US2007124867(A1) 申请公布日期 2007.06.07
申请号 US20050164815 申请日期 2005.12.06
申请人 WOODS ANTHONY T;BARROWMAN MICHAEL J 发明人 WOODS ANTHONY T.;BARROWMAN MICHAEL J.
分类号 B25F1/00 主分类号 B25F1/00
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