发明名称 TOOL FOR PREPARING PANEL CLOSURES FOR INSTALLATION ON METAL ROOF PANELS
摘要 <p>Notches are cut in a "Z"-section. closure to be installed across seams on a standing seam metal roof by means of a tool which punches holes in the central web of the closure. The lower flange of the closure is subsequently cut manually to finish the notch. The tool's die surfaces correspond in shape to that of the closure, and the punch and die are aligned so that the elongate hole they make in the central web extends to the bottom of the web.</p>
申请公布号 CA2246190(A1) 申请公布日期 1999.03.03
申请号 CA19982246190 申请日期 1998.09.01
申请人 BUTLER MANUFACTURING COMPANY, INC. 发明人 MCCLURE, RICHARD R.;BOELL, ALAN RICHARD
分类号 E04D3/36;E04D12/00;E04D13/10;E04D15/04;(IPC1-7):E04D3/30;B26B17/02 主分类号 E04D3/36
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